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Active matrix liquid crystal displays (AMLCDs) are the preferred choice when thin, low power, high quality, and lightweight flat panel displays are required. Here is the definitive guide to the theory and applications of AMLCDs.Contemporary portable communication and computing devices need high image quality, light weight, thin, and low power flat panel displays. The answer to this need is the color active matrix liquid crystal display (AMLCD). The rides of AMLCD technology over less than two decades to undisputed dominance as a flat panel display has been breathtaking, and designers of portable devices need a thorough understanding of the theory and applications of AMLCDs. Willem den Boer, a holder of over 30 patents in imaging technologies, has created this guide to AMLCD theory, operating principles, addressing methods, driver circuits, application circuits, and alternate flat display technologies (including active matrix flat panel image sensors). Numerous design and applications examples illustrate key points and make them relevant to real-world engineering tasks. Need more information on Mobile Displays, go to: http://www.insightmedia.info/newsletters.php#mdr · Systematically discusses the principles of liquid crystal displays and active matrix addressing.· Describes methods of enhancing AMLCD image quality.· Extensive coverage of AMLCD manufacturing techniques.· Thorough examination of performance characteristics and specifications of AMLCDs.
This book gives the first systematic and complete survey of technology and application of amorphous silicon, a material with a huge potential in electronic applications. The book features contributions by world-wide leading researchers in this field.
An unprecedented look into the basic physics, chemistry, and technology behind the LCD Most notably used for computer screens, televisions, and mobile phones, LCDs (liquid crystal displays) are a pervasive and increasingly indispensable part of our lives. Providing both an historical and a business-minded context, this extensive resource describes the unique scientific and engineering techniques used to create these beautiful, clever, and eminently useful devices. In this book, the history of the science and technology behind the LCD is described in a prelude to the development of the device, presenting a rational development theme and pinpointing innovations. The book begins with Maxwell's theory of electromagnetism, and the ultimately profound realization that light is an electromagnetic wave and an electromagnetic wave is light. The power of mathematical physics thus was brought to bear upon the study of light, and particularly the polarization of light by material bodies, including liquid crystals. After a brief historical description of polarization, a physical interpretation provides substance to the mathematical concepts. Subsequent chapters cover: Thermodynamics for liquid crystals The Maier-Saupe mean field, phenomenological, static continuum, and dynamic continuum theories The transistor and integrated circuit Glass, panels, and modules The calculus of variations The active matrix Semiconductor fabrication The global LCD business Additionally, the book illustrates how mathematics, physics, and chemistry are put to practical use in the LCDs we use every day. By describing the science from an historical perspective and in practical terms in the context of a device very familiar to readers, the book presents an engaging and unique view of the technology for everyone from science students to engineers, product designers, and indeed anyone curious about LCDs. Series Editor: Anthony C. Lowe, The Lambent Consultancy, Braishfield, UK The Society for Information Display (SID) is an international society, which has the aim of encouraging the development of all aspects of the field of information display. Complementary to the aims of the society, the Wiley-SID series is intended to explain the latest developments in information display technology at a professional level. The broad scope of the series addresses all facets of information displays from technical aspects through systems and prototypes to standards and ergonomics.
This high efficiency active matrix liquid crystal display (HEAMLCD) effort examined several alternatives to increasing the total power efficiency of an AMLCD flat panel display (FPD). It was determined that the color filters passed just one-sixth of incident light and that a re-design of the addressed cell assembly (ACA) based on color separation physical phenomena represented the best new technology opportunity to improve overall display power efficiency. Current liquid crystal display (LCD) sub-pixels are covered by red, green, or blue absorptive color filters; this method discards two-thirds of available white light by structure while transmitting just 50% of the desired color. Micro-optical elements based on refractive, diffractive, or interferometric color separation, were selected for pursuit in this effort. A diffractive color separation filter (DCSF) was designed to separate the colors and focus the desired red, green, blue wavelength bands onto the subpixel apertures. The black matrix already used in AMLCD designs is used to block the spill-over of undesired wavebands from adjacent subpixels. Several prototypes of a DCSF were designed, fabricated, tested, analyzed, and reported. An alternative approach using reflective color separation (RCS) dichroic filters was also tested. Several other potential techniques for improving the efficiency of AMLCD displays, including inorganic light emitting diode (LED) backlight technology, were examined and are discussed.
Unique reference source that can be used from the beginning to end of a design project to aid choosing an appropriate LCD addressing technique for a given application This book will be aimed at design engineers who are likely to embed LCD drivers and controllers in many systems including systems on chip. Such designers face the challenge of making the right choice of an addressing technique that will serve them with best performance at minimal cost and complexity. Readers will be able to learn about various methods available for driving matrix LCDs and the comparisons at the end of each chapter will aid readers to make an informed design choice. The book will address the various driving techniques related to LCDs. Due to the non-linear response of the liquid crystal to external voltages, different driving methods such as passive and active matrix driving can be utilized. The associated theoretical basis of these driving techniques is introduced, and this theoretical analysis is supplemented by information on the implementation of drivers and controllers to link the theory to practice. Written by an experienced research scientist with over 30 years in R&D in this field. Acts as an exhaustive review and comparison of techniques developed for passive-matrix addressing of twisted nematic and super-twisted nematic (STN) LCDs. Discusses the trend towards "High Definition" displays and that a hybrid approach to drive matrix LCDs (combination of active and passive matrix addressing) will be the future of LCD addressing. Contains the author’s recent work on Bit-Slice Addressing that is useful for fast responding LCDs, as well as a chapter on driving ferroelectric LCDs Provides an objective comparison that will enable designers to make an informed choice of an addressing technique for a specific application. Includes examples of the practical applications of addressing techniques. Organised in a way that each chapter can be read independently; with the basic knowledge and historical background gained from the introductory chapters, adequate for understanding the techniques that are presented in the remaining chapters making it a self-contained reference.
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Commentary (plays not included). Pages: 44. Chapters: 4-Cyano-4'-pentylbiphenyl, Active-matrix liquid crystal display, Active shutter 3D system, Anisotropic conductive film, Backlight, Blue Phase Mode LCD, Burst dimming, Daylight Viewable LCD, Display contrast, Display lag, Dual Scan, Dynamic scattering mode, Ferro Liquid Display, Forth Dimension Displays, Frontlight, Graphics tablet, Hitachi DX07, Hitachi HD44780 LCD controller, Image persistence, IPS panel, Lapfit, LCD classification, LCD crosstalk, LCD memory effect, LCD projector, LCD Smartie, LCD television, Liquid crystal on silicon, List of LCD matrices, List of liquid crystal display manufacturers, Optical film, Passive matrix addressing, Quattron, Response Time Compensation, Retina Display, Sanyo PLV-Z4, System monitor, Twisted nematic field effect, Viewing cone, Visual Planet.