Academic literature on the topic 'LED display'

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Journal articles on the topic "LED display"

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Niina, Tatsuhiko. "LED Display." JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN 76, Appendix (1992): 194–95. http://dx.doi.org/10.2150/jieij1980.76.appendix_194.

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Taguchi, Tsunemasa. "LED Display." JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN 87, no. 1 (2003): 42–47. http://dx.doi.org/10.2150/jieij1980.87.1_42.

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Teja, Pogula Sai. "Scrolling Text Display on 8x8 LED Dot Matrix using NodeMCU." International Journal for Research in Applied Science and Engineering Technology 9, no. VI (June 10, 2021): 601–4. http://dx.doi.org/10.22214/ijraset.2021.35034.

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Generally we use simple led regular static type display screen to deliver the message. Previously, to update the data either it may be large one it takes a long process to update data. Now a days scrolling type displays are more preferred over the static type displays. By adopting a programming device called NODEMCU, data can be displayed on dot matrix in scrolling manner. By adopting led 8x8 dot matrix using can controlled via IoT based system which controlled by mobile or laptop. Scrolling type text display boards, projects uses led dot matrix displays or regular outside purpose digital sign boards. The message scrolling displays are also type of scrolling LED display examples, presented here are nodemcu based led matrix display project. The led matrix is controlled using nodemcu by serial communication protocols. In this pair of 8*8 led Matrix display modules have used to display the transmitted message on Matrix display. nodemcu is heart of this project. The nodemcu is the transmitter to send data, and the receiver is led matrix display to display message on it.
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Sapkale, Darshan S., Rameshwar D. Mahajan, Vishal S. Patil, and Harish A. Patil. "Multicolour LED Scrolling Display." International Journal for Research in Applied Science and Engineering Technology 11, no. 5 (May 31, 2023): 6764–68. http://dx.doi.org/10.22214/ijraset.2023.53259.

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Abstract: Size of the display board can be increased row wise and column wise without making any changes in the LED's are a fantastic way to illuminate any kind of sign, be it lettering or panels. LED Dot-Matrix Displays are a common sight nowadays on streets, malls, buildings, parks and other public places. It is a way of visual information where large LCD and other display become too much expensive. The commonly seen displays are single colour or having 2 or 3 colours But here multi coloured LED display is being introduced .This project provides an efficient and scalable approach to LED Dot Matrix displays. The system is comprised of a tricolor dot matrix display panel with an interface circuit to a computer. It also comprises an executive program that runs on the computer for the display control of characters, decorative pattern or messages on the display panel. A multi colour LED Indoor Advertising Display can be used by companies to advertise even in bright day-light conditions. The display board displays any character entered from the host computer which is interfaced using USB to a microcontroller that initializes the led driver. The advantage of this project is that circuitry since display board is the repetition of a small independent module.
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Yamazaki, Shigeru. "LED Display." JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN 82, Appendix (1998): 320. http://dx.doi.org/10.2150/jieij1980.82.appendix_320.

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Chen, Fuhao, Chengfeng Qiu, and Zhaojun Liu. "Investigation of Autostereoscopic Displays Based on Various Display Technologies." Nanomaterials 12, no. 3 (January 27, 2022): 429. http://dx.doi.org/10.3390/nano12030429.

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The autostereoscopic display is a promising way towards three-dimensional-display technology since it allows humans to perceive stereoscopic images with naked eyes. However, it faces great challenges from low resolution, narrow viewing angle, ghost images, eye strain, and fatigue. Nowadays, the prevalent liquid crystal display (LCD), the organic light-emitting diode (OLED), and the emerging micro light-emitting diode (Micro-LED) offer more powerful tools to tackle these challenges. First, we comprehensively review various implementations of autostereoscopic displays. Second, based on LCD, OLED, and Micro-LED, their pros and cons for the implementation of autostereoscopic displays are compared. Lastly, several novel implementations of autostereoscopic displays with Micro-LED are proposed: a Micro-LED light-stripe backlight with an LCD, a high-resolution Micro-LED display with a micro-lens array or a high-speed scanning barrier/deflector, and a transparent floating display. This work could be a guidance for Micro-LED applications on autostereoscopic displays.
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Biwa, Goshi. "Micro LED Display." Journal of The Institute of Image Information and Television Engineers 73, no. 5 (2019): 939–42. http://dx.doi.org/10.3169/itej.73.939.

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Watanabe, Nobuo. "Large Display by LED." JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN 80, Appendix (1996): 329–30. http://dx.doi.org/10.2150/jieij1980.80.appendix_329.

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Sakai, Shiro. "Display Technologies Supporting Information Ege. Recent Trends of Display Devices. LED Displays." Journal of the Institute of Image Information and Television Engineers 51, no. 4 (1997): 492–94. http://dx.doi.org/10.3169/itej.51.492.

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Wu, Yifan, Jianshe Ma, Ping Su, Lijun Zhang, and Bizhong Xia. "Full-Color Realization of Micro-LED Displays." Nanomaterials 10, no. 12 (December 10, 2020): 2482. http://dx.doi.org/10.3390/nano10122482.

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Emerging technologies, such as smart wearable devices, augmented reality (AR)/virtual reality (VR) displays, and naked-eye 3D projection, have gradually entered our lives, accompanied by an urgent market demand for high-end display technologies. Ultra-high-resolution displays, flexible displays, and transparent displays are all important types of future display technology, and traditional display technology cannot meet the relevant requirements. Micro-light-emitting diodes (micro-LEDs), which have the advantages of a high contrast, a short response time, a wide color gamut, low power consumption, and a long life, are expected to replace traditional liquid-crystal displays (LCD) and organic light-emitting diodes (OLED) screens and become the leaders in the next generation of display technology. However, there are two major obstacles to moving micro-LEDs from the laboratory to the commercial market. One is improving the yield rate and reducing the cost of the mass transfer of micro-LEDs, and the other is realizing a full-color display using micro-LED chips. This review will outline the three main methods for applying current micro-LED full-color displays, red, green, and blue (RGB) three-color micro-LED transfer technology, color conversion technology, and single-chip multi-color growth technology, to summarize present-day micro-LED full-color display technologies and help guide the follow-up research.
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Dissertations / Theses on the topic "LED display"

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Dolejší, Miloš. "Řízení barevného grafického LED displeje pomocí FPGA." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2017. http://www.nusl.cz/ntk/nusl-317123.

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This thesis deals with controlling a color graphic LED display using an FPGA. The first half of the theoretical part of this paper describes the properties of the used FPGA, the data source and a principle of controlling an RGB LED display. The second half describes an implementation of pulse width modulation and binary code modulation which enables the control of brightness of the display and of color depth of every sub-pixel. The practical part on the other hand describes the designing and the implementation of this module in the VHDL language. Then it explains the transfer of image data from Blackfin processor to the memory via PPI interface, the subsequent process of reading data from the memory, conversion of the data to a serial format and finally it describes the process of sending the data to the LED controller. The module was realized on the Digilent Atlys development board equipped with the Spartan-6 FPGA and was tested on a 32x20 light panel for the firm Ing. Ivo Herman, CSc.
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Coufal, Miroslav. "Modulární RGB LED displej." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2013. http://www.nusl.cz/ntk/nusl-220135.

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The aim of this master’s thesis was the design RGB LED display with Ethernet interface. I created a display module, controlled by a microcontroller ATmega 2560-16AU. These modules can be connected via a serial RS485 standard. Ethernet connection is made via plug-in interface that uses the programmable module Rabbit RCM 3200. I documented a proposal. I tested designed device.
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Powell, Matthew Reid 1980. "Integrated feedback circuit for organic LED display driver." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/17967.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2004.
Includes bibliographical references (leaf 65).
Organic LEDs (OLEDs) offer the potential of ultra low power, portable display technology. The chief barrier to their usage lies in producing OLEDs that will emit light at predictable and consistent amplitudes. We propose the use of optical feedback to generate the desired luminosity pixel by pixel. We implement this technique in an integrated silicon chip. The simulation and verification of fabricated integrated circuits with deposited OLEDs validates the utility of the technique.
by Matthew Reid Powell.
M.Eng.
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Lisuwandi, Eko T. 1977. "Feedback circuit for organic LED active-matrix display drivers." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/16849.

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Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2002.
Includes bibliographical references (leaves 44-45).
This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
A feedback circuit for an Organic Light Emitting Diode (OLED) based display is proposed and demonstrated. An OLED-based flat panel display is brighter, much lower power, has no viewing angle limitation and potentially cheaper compared to available Liquid Crystal (LC) based displays. Despite these advantages, an OLED-based display is not widely commercialized mainly due to its short practical lifetime. The I-V characteristics of the individual OLED pixels vary over time, temperature and processing-dependent parameters. Moreover, the variation is not uniform across an array of OLED pixels, causing OLED based displays to lose brightness accuracy after a few thousand hours of operation. The proposed feedback circuit is used to compensate for the non-uniformities in the individual OLED characteristics. The resulting display leverages the beneficial aspects of OLED display technology, while maintaining pixel uniformity and grayscale reproducibility. A demonstration system is built proving the feasibility of a flat panel display using direct optical feedback. The feedback loop monitors the output light level using a sensor and adjusts the current fed to the pixels to set the output light power to a digitally set reference level. The system shares a single feedback loop among a number of pixels, saving power and real estate. The demonstration system consists of a 5x5 array of LEDs, a CMOS camera, analog pixel circuitry, driver and feedback loop, as well as a digital controller. The demonstration system also shows the feasibility of time-sharing a feedback loop among a number of output devices.
by Eko T. Lisuwandi.
M.Eng.
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Alderson, David Douglas. "Scalable and flexible large display arrays: A novel approach to the architectural enhancement of a prototype large display array." Thesis, Queensland University of Technology, 2011. https://eprints.qut.edu.au/87833/1/David%20Alderson%20Thesis.pdf.

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Large Display Arrays (LDAs) use Light Emitting Diodes (LEDs) in order to inform a viewing audience. A matrix of individually driven LEDs allows the area represented to display text, images and video. LDAs have undergone rapid development over the past 10 years in both the modular and semi-flexible formats. This thesis critically analyses the communication architecture and processor functionality of current LDAs and presents an alternative method, that is, Scalable Flexible Large Display Arrays (SFLDAs). SFLDAs are more adaptable to a variety of applications because of enhancements in scalability and flexibility. Scalability is the ability to configure SFLDAs from 0.8m2 to 200m2. Flexibility is increased functionality within the processors to handle changes in configuration and the use of a communication architecture that standardises two-way communication throughout the SFLDA. While common video platforms such as Digital Video Interface (DVI), Serial Digital Interface (SDI), and High Definition Multimedia Interface (HDMI) are considered as solutions for the communication architecture of SFLDAs, so too is modulation, fibre optic, capacitive coupling and Ethernet. From an analysis of these architectures, Ethernet was identified as the best solution. The use of Ethernet as the communication architecture in SFLDAs means that both hardware and software modules are capable of interfacing to the SFLDAs. The Video to Ethernet Processor Unit (VEPU), Scoreboard, Image and Control Software (SICS) and Ethernet to LED Processor Unit (ELPU) have been developed to form the key components in designing and implementing the first SFLDA. Data throughput rate and spectrophotometer tests were used to measure the effectiveness of Ethernet within the SFLDA constructs. The result of testing and analysis of these architectures showed that Ethernet satisfactorily met the requirements of SFLDAs.
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Petra-Kajňák, Daniel. "Optimalizované systémy napájení LED." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2020. http://www.nusl.cz/ntk/nusl-413158.

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The paper discusses a design of a matrix LED display for car rear combination lamps and its power supply. It provides basic information about converters, light, and electronics requirements in the automotive industry. The design of individual circuits, printed circuit board, and firmware are analyzed. Predefined animations have safety, practical, and design functions. The innovative solution presents a new level of communication between the vehicle and its environment. The purpose is to increase safety and improve traffic flow.
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Olivier, François. "Etude des caractéristiques électro-optiques de micro-LED GaN pour application aux micro-écrans haute-luminance." Thesis, Université Grenoble Alpes (ComUE), 2018. http://www.theses.fr/2018GREAT019/document.

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Le domaine des écrans est en pleine mutation. De nouvelles technologies d’écrans (principalement LCD et OLED) ont remplacé l’écran à tube cathodique du XXème siècle et ouvrent la voie vers de nouvelles fonctionnalités (écran 3D, flexible, transparent). Depuis quelques années, un genre particulier d’écran fait l’objet de nombreuses recherches, notamment pour adresser de nouveaux marchés tels que la réalité augmentée : les micro-écrans. Pour cela, les contraintes technologiques sont fortes. L’écran doit être miniature (quelques millimètres de diagonale) tout en permettant une qualité d’image semblable aux écrans traditionnels. Il doit aussi être compact, économe en énergie et très lumineux. Une nouvelle technologie d’écran est à l’étude depuis quelques années et doit permettre d’atteindre ses spécifications. Il s’agit des micro-écrans LED, constitués d’un réseau de LED micrométriques, dans lequel chaque diode constitue un pixel de l’image. L’objectif de cette thèse est d’étudier les spécificités des matrices de LED en nitrure de gallium (GaN) en vue de leur utilisation dans des micro-écrans.Les recherches menées au cours de cette thèse portent sur trois axes d’étude. Le premier concerne l’optimisation du rendement à travers l’étude du procédé de matriçage d’une épitaxie LED. L’amélioration de la métallisation P et de l’intégrité électrique du P-GaN a permis d’augmenter le rendement d’un facteur 10 sur les micro-LED. Le deuxième axe de travail concerne l’étude des effets de taille. La réduction de la taille des LED entraine une forte baisse du rendement maximum. Les études menées ont permis l’attribuer principalement à des recombinaisons non-radiatives sur les bords de pixel. Le troisième axe de recherche porte sur l’étude des micro-LED en tant que réseau bidimensionnel permettant la formation d’images. Les principales sources d’inhomogénéité et de dispersion ont été étudiées. Des solutions ont été proposées pour éliminer le cross-talk optique et améliorer l’extraction lumineuse, principal frein au rendement de nos micro-LED. Enfin, des micro-écrans LED fonctionnels, bleus et verts, à l’état de l’art mondial ont été obtenus et caractérisés au cours de cette thèse
The display industry is facing a fast transformation. New technologies (mainly LCD and OLED) have faded-out the cathode ray tube of the 20th century and lead to new applications (3D, flexible and transparent displays). A very particular type of display has recently emerged to address new markets, such as augmented reality: micro-displays. They can be defined as having a diagonal of around 1 inch or less. One important goal of these micro-displays is to deliver the same image quality as conventional, larger-size displays. Strong challenges arise in terms of definition, compactness, consumption and brightness. To address these, LED micro-displays are currently being studied. In a LED micro-display, a 2D-array of micro-LEDs is fabricated, where each LED acts as a single pixel of a whole image. The main objective of this thesis work is to study the specifics of Gallium Nitride (GaN) micro-LEDs arrays for micro-display applications.Our investigations have been carried out focusing on three major areas of study. Increasing LED efficiency through the study of our fabrication process was the first goal. By improving P metal and enhancing P-GaN electrical performances, we were able to increase efficiency of micro-LED by a factor of 10.The influence of size-reduction on the performances of LEDs have then been thoroughly investigated. As LED size decreases, its maximum efficiency drops. Non-radiative recombinations occurring at the edges of the LED were found to be the main origin. We have then studied LEDs, not as a single diode, but as a dense 2D array of micro-LEDs allowing image display, and optical and electrical spread have been investigated. Furthermore, optical cross-talk has been studied and fabrication was changed to address this issue. New structures have also been suggested to improve light extraction efficiency, which is one of the main hindrance towards high-efficiency micro-LEDs. Finally, state-of-the-art, blue and green, active matrix micro-LED displays have been obtained and characterized during the course of this thesis work
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Karmazín, Michal. "Elektronický informační štítek." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2010. http://www.nusl.cz/ntk/nusl-218693.

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This master thesis deals with design and construction of the electronic information card. Display consists of 8×32 LED matrix in a modular form which is soldered to the mainboard via edge. In the thesis there are described available circuit solutions, realization, technological description of connection between display module and mainboard and measurements made for verification of parameters.
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Wang, Lulu. "Virtual imaging system." Click here to access this resource online, 2009. http://hdl.handle.net/10292/668.

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The main purpose of this research project was to implement a combination of computer graphics and processing to generate displays that will aid in the visualization of the colour rendering properties of a range of light sources, including the new generation of high-output LEDs (light emitting diodes) that are becoming widely adopted in general lighting service. The CIE (International Commission on Illumination) has developed a colour appearance model CIECAM02 for use in colour imaging and colour management, and this model is utilized in this work. This thesis describes the design and construction of a computer-based model that can be used as a research tool for the simulation and demonstration of the colour rendering properties of various artificial light sources. It is a comprehensive study of the colour models and measurement procedures currently in use in the lighting industry, as recommended by the CIE. This research project focused on the display of a set of surface colour patches as if they were illuminated by a specific light source, and the simultaneous display of two such sets to demonstrate the surface colour differences arising from the use of the two different light sources. A VIS (virtual imaging system) has been developed to display the colour properties of a series of test colour samples under different light sources. This thesis describes the computer models developed for the representation and display of surface colours in general, and colour rendering in particular. The designed system computes and displays the colour of each sample from a knowledge of the light-source spectrum and the spectral reflectance of each surface. It can simultaneously display the colours resulting from illumination by two different sources. In addition, the system computes the colour appearance differences for two sets of colours using the CIECAM02 colour appearance model. Subjective and objective tests were taken to validate the computed results. The VIS has been designed and implemented. It also has been tested by 21 observers and we believe that it will be a powerful research tool for the lighting industry, especially in relation to colour rendering.
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Kim, LeeAnn. "Deposition of colloidal quantum dots by microcontact printing for LED display technology." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/37207.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2006.
Includes bibliographical references (p. 81-84).
This thesis demonstrates a new deposition method of colloidal quantum dots within a quantum dot organic light-emitting diode (QD-LED). A monolayer of quantum dots is microcontact printed as small as 20 ,Lm lines as well as millimeter scale planes, and the resulting devices show quantum efficiencies as high as 1.2% and color saturation superior to previous QD-LEDs'. Through a modification of the polydimethylsiloxane (PDMS) stamp with a parylene-C coating, quantum dots solvated in chloroform were successfully inked and stamped onto various substrates, including different molecular organic layers. The ability to control the placement and the pattern of the quantum dots independently from underlying organic layers provides a new level of performance in QD-LEDs, increasing the possibility of QD-LED displays.
by LeeAnn Kim.
M.Eng.
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Books on the topic "LED display"

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Yu, Gang, and Yanbing Hou. LED and display technologies: 18-19 October 2010, Beijing, China. Edited by SPIE (Society), Zhongguo guang xue xue hui, Beijing gong ye xue yuan, Zhongguo ke xue ji shu xie hui, Guo jia zi ran ke xue ji jin wei yuan hui (China), and China. Guo jia ke xue ji shu bu. Bellingham, Wash: SPIE, 2010.

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Air Force Flight Dynamics Laboratory (U.S.) and Optotek Limited, eds. Flat panel aircraft video LED display technology program. Wright-Patterson Air Force Base, Ohio: Flight Dynamics Laboratory, Air Force Wright Aeornautical Laboratories, Air Force Systems Command, 1985.

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Yu, Gang, and Yanbing Hou. LED and display technologies: 18-19 October 2010, Beijing, China. Edited by SPIE (Society), Zhongguo guang xue xue hui, Beijing gong ye xue yuan, Zhongguo ke xue ji shu xie hui, Guo jia zi ran ke xue ji jin wei yuan hui (China), and China. Guo jia ke xue ji shu bu. Bellingham, Wash: SPIE, 2010.

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Svilainis, Linas. LED video display pixel intensity and directivity investigation: Monograph. Kaunas: Technologija, 2009.

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Svilainis, Linas. LED video display pixel intensity and directivity investigation: Monograph. Kaunas: Technologija, 2009.

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Company, Hewlett-Packard. LED indicators and displays applications handbook. Palo Alto, CA: Hewlett Packard, 1986.

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Jasink, Anna Margherita, Grazia Tucci, and Luca Bombardieri, eds. MUSINT Le Collezioni archeologiche egee e cipriote in Toscana. Florence: Firenze University Press, 2011. http://dx.doi.org/10.36253/978-88-6655-086-0.

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MUSINT is an interactive museological network devoted to the Tuscan archaeological collections which enables the creation of an innovative display itinerary through the collections of Aegean and Cypriot antiquities, so that exhibits originating from different museum institutions can be appreciated. This has led to the creation of a "museum of museums" which responds to the need to offer a display system that can be "visited" by a broad and variegated public. The arrangement of the book itself reflects the true nature of the MUSINT project and its character as a research worksite, enhanced by past experience, and a bridge for the appreciation of new perspectives within a scientific, technological and cultural universe that is open and in continual movement.
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Korea (South). Sanŏp Chawŏnbu. Kisul Pʻyojunwŏn., ed. Disŭpʻŭllei kisul yongŏ haesŏlchip: LCD, PDP, OLED, FED. [Seoul]: Sanŏp Chawŏnbu Kisul Pʻyojunwŏn, 2006.

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Electronic, Telefunken. Opto-semiconductors-LEDs and displays databook. Heilbronn, W.Germany: Telefunken Electronic, 1986.

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Shunsuke, Kobayashi, Mikoshiba Shigeo, and Lim Sungkyoo, eds. LCD backlights. Chichester, West Sussex, U.K: Wiley, 2009.

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Book chapters on the topic "LED display"

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Miller, Michael E. "LED Display Technologies." In Color in Electronic Display Systems, 107–33. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-02834-3_6.

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Xu, Chihao, Marc Albrecht, and Tobias Jung. "Dimming of LED LCD Backlights." In Handbook of Visual Display Technology, 567–74. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-540-79567-4_43.

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Xu, Chihao, Marc Albrecht, and Tobias Jung. "Intelligent Control of LED LCD Backlights." In Handbook of Visual Display Technology, 817–26. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-14346-0_43.

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Xu, Chihao, Marc Albrecht, and Tobias Jung. "Intelligent Control of LED LCD Backlights." In Handbook of Visual Display Technology, 1–9. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-35947-7_43-2.

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Cameron, Neil. "7-Segment LED Display." In Arduino Applied, 101–18. Berkeley, CA: Apress, 2018. http://dx.doi.org/10.1007/978-1-4842-3960-5_5.

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Lee, Dong-Seon, and Jang-Hwan Han. "Micro-LED Technology for Display Applications." In Advanced Display Technology, 271–305. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-6582-7_12.

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Yang, Yiyuan, Abraham Vázquez-Guardado, and John A. Rogers. "Implantable LED for Optogenetics." In Series in Display Science and Technology, 115–40. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-5505-0_6.

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Deng, Hong, Xiuhui Chang, and Yanling Zhang. "Design and Application of LED Beam Display Based on LED Number Display Interface." In Advances in Intelligent Systems, 385–90. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-27869-3_51.

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Thielemans, Robbie. "LED Display Applications and Design Considerations." In Handbook of Visual Display Technology, 1735–48. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-14346-0_76.

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Thielemans, Robbie. "LED Display Applications and Design Considerations." In Handbook of Visual Display Technology, 1–10. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-35947-7_76-2.

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Conference papers on the topic "LED display"

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Zhao, Tian-Qi, He-Ling Zhang, and Jing Han. "The technology of multiuser large display area and auto free-viewing stereoscopic display." In LED and Display Technologies. SPIE, 2010. http://dx.doi.org/10.1117/12.869976.

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Chen, Peng, Hui-Qing Sun, and Li-Ping Kong. "First principles calculations of electronic and optical properties of Zn1-x(TM)xO (TM=Mg,Cd)." In LED and Display Technologies. SPIE, 2010. http://dx.doi.org/10.1117/12.868353.

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Hattori, Reiji. "Cylindrical Aerial LED Display." In 2022 29th International Workshop on Active-Matrix Flatpanel Displays and Devices (AM-FPD). IEEE, 2022. http://dx.doi.org/10.23919/am-fpd54920.2022.9851389.

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Huttunen, Arttu, Tuomas Happonen, Arttu Korhonen, Kaisa-Leena Vaisanen, Belal Amin, Markus Tuomikoski, and Teemu Alajoki. "Stretchable LED matrix display." In 2020 IEEE 8th Electronics System-Integration Technology Conference (ESTC). IEEE, 2020. http://dx.doi.org/10.1109/estc48849.2020.9229881.

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Wendy Luiten, Ir G. A. "Thermal management of active LEDs in consumer TV LED-LCD display." In 2014 30th Semiconductor Thermal Measurement & Management Symposium (SEMI-THERM). IEEE, 2014. http://dx.doi.org/10.1109/semi-therm.2014.6892231.

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Zou, Zhiyong, Qi Wang, Tao Long, Nan Wang, Huan Yang, Yu Liu, and Man Zhou. "FPGA-based LED Display Technology." In 2019 IEEE 4th Advanced Information Technology, Electronic and Automation Control Conference (IAEAC). IEEE, 2019. http://dx.doi.org/10.1109/iaeac47372.2019.8997982.

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Minamizawa, Kouta, Susumu Tachi, Keitaro Shimizu, Shigeto Yoshida, Masahiko Inami, Noriaki Yamaguchi, Naohisa Ohta, and Shigeki Imai. "Adaptive parallax autostereoscopic LED display." In SIGGRAPH Asia 2011 Emerging Technologies. New York, New York, USA: ACM Press, 2011. http://dx.doi.org/10.1145/2073370.2073393.

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Dieker, Henning, Christian Miesner, Dirk Püttjer, and Bernhard Bachl. "Comparison of different LED Packages." In Manufacturing LEDs for Lighting and Display, edited by Thomas P. Pearsall. SPIE, 2007. http://dx.doi.org/10.1117/12.758944.

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Winkler, Holger, Holger Enderle, Clemens Kuehn, Ralf Petry, and Tim Vosgroene. "Advanced phosphors for LED applications." In Manufacturing LEDs for Lighting and Display, edited by Thomas P. Pearsall. SPIE, 2007. http://dx.doi.org/10.1117/12.761291.

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Li, Xiuzhen, Guoheng Ma, Dongsheng Yang, Fei Liu, Lifang Wan, and Zhonglian Qiao. "Design of LED backlight system used for ultra-slim LCD TV." In 2010 International Conference on Display and Photonics, edited by Yanwen Wu. SPIE, 2010. http://dx.doi.org/10.1117/12.869645.

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Reports on the topic "LED display"

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Edwards, Frannie, Kaikai Liu, Amanda Lee Hughes, Jerry Zeyu Gao, Dan Goodrich, Alan Barner, and Robert Herrera. Best Practices in Disaster Public Communications: Evacuation Alerting and Social Media. Mineta Transportation Institute, December 2022. http://dx.doi.org/10.31979/mti.2022.2254.

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This research project examines the current state of the practice for disaster public communication, the distrust of government, the training available to public information officers, and the literature available to guide the design of effective public outreach messaging, especially for rapid on-set events. Growing distrust in government had led to lack of public confidence in public agency messaging during emergencies, yet public agency public information officers are using multiple pathways, including both traditional and social media resources, to try to reach impacted communities effectively. The introduction explains the development of wildfire events in the West and their context. A literature review displays the sociological and political research that guides the development of public outreach, warning and evacuation. The findings display the SCU Complex Fire and CZU Complex Fire of 2020 as case studies of outreach efforts during rapid onset wildfire events and explains techniques of data scraping that could enhance public messaging. The analysis categorizes a variety of best practices in disaster communications. The project concludes with a white paper outlining a pathway toward creating a cell phone app that would provide event, time and location specific information about a disaster event, using official sources and social media.
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Moore, Tanya, Ryann Daly, Tri Tran, Kristopher Moore, Serina Acosta, Margaret Doebling, Jeffery Wauson, and Anna Knos. LANL Interactive Display (LID). Office of Scientific and Technical Information (OSTI), March 2023. http://dx.doi.org/10.2172/1960169.

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Scanlan, E. J., M. Leybourne, D. Layton-Matthews, A. Voinot, and N. van Wagoner. Alkaline magmatism in the Selwyn Basin, Yukon: relationship to SEDEX mineralization. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328994.

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Several sedimentary exhalative (SEDEX) deposits have alkaline magmatism that is temporally and spatially associated to mineralization. This report outlines interim data from a study of potential linkages between magmatism and SEDEX mineralization in the Selwyn Basin, Yukon. This region is an ideal study site due to the close spatial and temporal relationships between SEDEX deposits and magmatism, particularly in the MacMillan Pass, where volcanic rocks have been drilled with mineralization at the Boundary deposit. Alkaline volcanic samples were analysed from the Anvil District, MacMillan Pass, Keno-Mayo and the Misty Creek Embayment in the Selwyn Basin to characterise volcanism and examine the relationship to mineralization. Textural and field relationships indicate a volatile-rich explosive eruptive volcanic system in the MacMillan Pass region in comparison to the Anvil District, which is typically effusive in nature. High proportions of calcite and ankerite in comparison to other minerals are present in the MacMillan system. Cathodoluminescence imaging reveals zoning and carbonate that displays different luminescent colours within the same sample, likely indicating multiple generations of carbonate precipitation. Barium contents are enriched in volcanic rocks throughout the Selwyn Basin, which is predominately hosted by hyalophane with rare barite and barytocalcite. Thallium is positively correlated with Ba, Rb, Cs, Mo, As, Sb and the calcite-chlorite-pyrite index and is negatively correlated with Cu. Anvil District samples display a trend towards depleted mid-ocean ridge mantle on a plot of Ce/Tl versus Th/Rb. Hydrothermal alteration has likely led to the removal of Tl from volcanic rocks in the region. Ongoing research involves: i) the analysis of Sr, Nd, Pb and Tl isotopes of volcanic samples; ii) differentiating magmatic from hydrothermal carbonate using O, C and Sr isotopes; iii) examining sources of Ba in the Selwyn Basin; iv) and constraining age relationships through U-Th-Pb geochronology.
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Chejanovsky, Nor, and Suzanne M. Thiem. Isolation of Baculoviruses with Expanded Spectrum of Action against Lepidopteran Pests. United States Department of Agriculture, December 2002. http://dx.doi.org/10.32747/2002.7586457.bard.

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Our long-term goal is to learn to control (expand and restrict) the host range of baculoviruses. In this project our aim was to expand the host range of the prototype baculovirus Autographa cali/arnica nuclear polyhedrosis virus (AcMNPV) towards American and Israeli pests. To achieve this objective we studied AcMNPV infection in the non-permissive hosts L. dispar and s. littoralis (Ld652Y and SL2 cells, respectively) as a model system and the major barriers to viral replication. We isolated recombinant baculoviruses with expanded infectivity towards L. dispar and S. littoralis and tested their infectivity towards other Lepidopteran pests. The restricted host range displayed by baculoviruses constitutes an obstacle to their further implementation in the control of diverse Lepidopteran pests, increasing the development costs. Our work points out that cellular defenses are major role blocks to AcMNPV replication in non- and semi-permissive hosts. Therefore a major determinant ofbaculovirus host range is the ability of the virus to effectively counter cellular defenses of host cells. This is exemplified by our findings showing tliat expressing the viral gene Ldhrf-l overcomes global translation arrest in AcMNPV -infected Ld652Y cells. Our data suggests that Ld652Y cells have two anti-viral defense pathways, because they are subject to global translation arrest when infected with AcMNPV carrying a baculovirus apoptotic suppressor (e.g., wild type AcMNPV carryingp35, or recombinant AcMNPV carrying Opiap, Cpiap. or p49 genes) but apoptose when infected with AcMNPV-Iacking a functional apoptotic suppressor. We have yet to elucidate how hrf-l precludes the translation arrest mechanism(s) in AcMNPV-infected Ld652Y cells. Ribosomal profiles of AcMNPV infected Ld652Y cells suggested that translation initiation is a major control point, but we were unable to rule-out a contribution from a block in translation elongation. Phosphorylation of eIF-2a did not appear to playa role in AcMNPV -induced translation arrest. Mutagenesis studies ofhrf-l suggest that a highly acidic domain plays a role in precluding translation arrest. Our findings indicate that translation arrest may be linked to apoptosis either through common sensors of virus infection or as a consequence of late events in the virus life-cycle that occur only if apoptosis is suppressed. ~ AcMNPV replicates poorly in SL2 cells and induces apoptosis. Our studies in AcMNPV - infected SL2ceils led us to conclude that the steady-state levels of lEI (product of the iel gene, major AcMNPV -transactivator and multifunctional protein) relative to those of the immediate early viral protein lEO, playa critical role in regulating the viral infection. By increasing the IEl\IEO ratio we achieved AcMNPV replication in S. littoralis and we were able to isolate recombinant AcMNPV s that replicated efficiently in S. lifforalis cells and larvae. Our data that indicated that AcMNPV - infection may be regulated by an interaction between IE 1 and lED (of previously unknown function). Indeed, we showed that IE 1 associates with lED by using protein "pull down" and immunoprecipitation approaches High steady state levels of "functional" IE 1 resulted in increased expression of the apoptosis suppressor p35 facilitating AcMNPV -replication in SL2 cells. Finally, we determined that lED accelerates the viral infection in AcMNPV -permissive cells. Our results show that expressing viral genes that are able to overcome the insect-pest defense system enable to expand baculovirus host range. Scientifically, this project highlights the need to further study the anti-viral defenses of invertebrates not only to maximi~e the possibilities for manipulating baculovirus genomes, but to better understand the evolutionary underpinnings of the immune systems of vertebrates towards virus infection.
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Gabriel, Ricardo. Monetary Policy and the Wage Inflation-Unemployment Tradeoff. APHES Working Paper in Economic and Social History, May 2022. http://dx.doi.org/10.55462/wpaphes_a_504.

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Using newly assembled data for 18 advanced economies between 1870 and 2020, I study how monetary policy affects wage inflation and unemployment and document two key findings regarding their tradeoff. First, the wage Phillips curve displays a time-varying slope. Second, the tradeoff becomes weaker in low price inflation environments due to a more pronounced unemployment response to monetary policy. These findings lend support to the idea that monetary policy has state-dependent effects with the central banks’ ability in exploring the tradeoff being impaired by a low price inflation environment.
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Zanker. PR-343-14601-R01 Smart USM Diagnostics - Phase 3. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), December 2014. http://dx.doi.org/10.55274/r0010043.

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Ultrasonic flow meters, especially those that exploit multiple paths to achieve higher accuracies, are capable of extensive self-diagnosis. Each ultrasonic meter manufacturer has tended to devel-op diagnostic tools specific to his particular device. This has led to a confusing mix of offerings that are not transportable between meters and whose names and interpretations are not always consistent. The focus of this effort has been to examine four areas that yield information indicative of both the health of the meter and the quality of the measurements it is providing: (1) the meter design and how this impacts the individual diagnostics, (2) the timing aspects of the measurement, (3) the indicators of transducer performance and (4) the observed velocity profile characteristics. This work extends the previous analysis of Daniel and Instromet (Elster) ultrasonic meters to in-clude Sick and Krohne meters. It also updates the Daniel and Instromet information and looks at graphical displays that help with condition based monitoring.
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Zheng, Nina, Nan Zhou, and David Fridley. Comparison of Test Procedures and Energy Efficiency Criteria in Selected International Standards & Labeling Programs for Copy Machines, External Power Supplies, LED Displays, Residential Gas Cooktops and Televisions. Office of Scientific and Technical Information (OSTI), March 2012. http://dx.doi.org/10.2172/1225612.

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Uche, Chidi, Zita Ekeocha, Stephen Robert Byrn, and Kari L. Clase. Retrospective Study of Inspectors Competency in the Act of Writing GMP Inspection Report. Purdue University, December 2021. http://dx.doi.org/10.5703/1288284317445.

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The research was a retrospective study of twenty-five Good Manufacturing Practice (GMP) inspection reports (from March 2017 through to December 2018) of a national medicine regulatory agency, drug Inspectorate, in West Africa, designed to assess the inspectors’ expertise in the act of inspection report writing. The investigation examined a paper-based tool of thirteen pre-registration Inspection reports and twelve GMP reassessment reports written prior and following an intervention program by external GMP trainers to enhance inspectors’ skill in pharmaceutical cGMP inspection. The study made use of quantitative analysis to investigate each team’s expertise in the act of writing GMP inspection report. Likewise, each report’s compliance with the requirements of three regulatory standards on GMP inspection report writing was ascertained. Impact of intervention program on lead inspectors’ competence was assessed. Lastly, gap in each team writing effectiveness, and lead inspectors’ abilities to deliver an effective report were determined. The results showed one of the inspection team (4.0%) wrote an excellent report. Two (8.0%) of the twenty-five inspection teams penned good inspection reports. Eleven (44.0%) teams drafted needs improvement reports and the remaining eleven teams (44.0%) prepared unacceptable reports. The excellent report and the two good reports had report format that meet expectation. One (50.0%) of the good reports showed the authors possess excellent knowledge of cGMP technical areas. The remain good report (50.0%) revealed the writers’ knowledge.as good. The excellent report showed the authors displayed partial mastery in the use of objective evidence while the two good reports disclosed theirs as having partial and evolving abilities. One of the teams (50.0%) that wrote good reports displayed good use of third person narrative past tense in report writing whereas the other team used the same tense and voice excellently. Generally, a sort of marginal level of performance was prominent among the inspection teams. A gap, if not tackled, will slow down regulatory process through increase report review, litigations that query report factual accuracy (AIHO, 2017) and delay in issuance of marketing authorization. In conclusion, trainings on quality attributes, such as technical content (Quality Management System (QMS) and Site), the use of objective evidence, assignment of risk levels to GMP violations and citing of applicable laws, regulation and guidelines that substantiate GMP observations, were recommended, to enhance knowledge sharing and regulators’ performance in the act of writing inspection report.
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Muelaner, Jody, ed. Unsettled Issues in Commercial Vehicle Platooning. SAE International, November 2021. http://dx.doi.org/10.4271/epr2021027.

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Platooning has the potential to reduce the energy consumption of commercial vehicles while improving safety; however, both advantages are currently difficult to quantify due to insufficient data and the wide range of variables affecting models. Platooning will significantly reduce the use of energy when compared to trucks driven alone, or at a safe distance for a driver without any automated assistance. Platooning will also reduce stopping distances—multiple states in the US have passed laws authorizing truck platoons to operate at shorter gaps than are authorized for normal, human-driven trucks. However, drivers typically do not currently leave the recommended gaps and, therefore, already gain much of the potential energy savings by drafting lead vehicles, albeit illegally. The automated systems associated with platooning cannot be programmed to flout safety recommendations in the way that human drivers routinely do. Therefore, actual energy savings may be minimal while safety may be greatly improved. More data will be needed to conclusively demonstrate a safety gain. Recommended safe gaps are currently highly generalized and must necessarily assume worst-case braking performance. Using a combination of condition monitoring and vehicle-to-vehicle communications, platooning systems will be able to account for the braking performance of other vehicles within the platoon. If all the vehicles in a platoon have a high level of braking performance, the platoon will be able to operate in a more efficient, tighter formation. Driver acceptance of platooning technology will increase as the systems become more effective and do not displace jobs. The increased loading of infrastructure must also be considered, and there may be requirements for upgrades on bridges or restrictions on platooning operation.
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Gurevitz, Michael, Michael E. Adams, Boaz Shaanan, Oren Froy, Dalia Gordon, Daewoo Lee, and Yong Zhao. Interacting Domains of Anti-Insect Scorpion Toxins and their Sodium Channel Binding Sites: Structure, Cooperative Interactions with Agrochemicals, and Application. United States Department of Agriculture, December 2001. http://dx.doi.org/10.32747/2001.7585190.bard.

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Integrated pest management in modern crop protection may combine chemical and biological insecticides, particularly due to the risks to the environment and livestock arising from the massive use of non-selective chemicals. Thus, there is a need for safer alternatives, which target insects more specifically. Scorpions produce anti-insect selective polypeptide toxins that are biodegradable and non-toxic to warm-blooded animals. Therefore, integration of these substances into insect pest control strategies is of major importance. Moreover, clarification of the molecular basis of this selectivity may provide valuable information pertinent to their receptor sites and to the future design of peptidomimetic anti-insect specific substances. These toxins may also be important for reducing the current overuse of chemical insecticides if they produce a synergistic effect with conventional pesticides. Based on these considerations, our major objectives were: 1) To elucidate the three-dimensional structure and toxic-site of scorpion excitatory, "depressant, and anti-insect alpha toxins. 2) To obtain an initial view to the sodium channel recognition sites of the above toxins by generating peptide decoys through a phage display system. 3) To investigate the synergism between toxins and chemical insecticides. Our approach was to develop a suitable expression system for toxin production in a recombinant form and for elucidation of toxin bioactive sites via mutagenesis. In parallel, the mode of action and synergistic effects of scorpion insecticidal toxins with pyrethroids were studied at the sodium channel level using electrophysiological methods. Objective 1 was achieved for the alpha toxin, LqhaIT Zilberberg et al., 1996, 1997; Tugarinov et al., 1997; Froy et al., 2002), and the excitatory toxin, Bj-xtrIT (Oren et al., 1998; Froy et al., 1999; unpublished data). The bioactive surface of the depressant toxin, LqhIT2, has been clarified and a crystal of the toxin is now being analyzed (unpublished). Objective 2 was not successful thus far as no phages that recognize the toxins were obtained. We therefore initiated recently an alternative approach, which is introduction of mutations into recombinant channels and creation of channel chimeras. Objective 3 was undertaken at Riverside and the results demonstrated synergism between LqhaIT or AaIT and pyrethroids (Lee et al., 2002). Furthermore, negative cross-resistance between pyrethroids and scorpion toxins (LqhaIT and AaIT) was demonstrated at the molecular level. Although our study did not yield a product, it paves the way for future design of selective pesticides by capitalizing on the natural competence of scorpion toxins to distinguish between sodium channels of insects and vertebrates. We also show that future application of anti-insect toxins may enable to decrease the amounts of chemical pesticides due to their synergism.
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