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This book discusses recent developments in electroluminescent (EL) displays, in particular thin-film EL displays, which are all-solid emissive displays with fast response, wide viewing angle, high resolution, wide operating temperature ranges and good display qualities. First, the characteristics of four types of EL devices are presented, and the physics of ac thin-film EL devices are detailed, including ideal models, measuring and evaluation methods, high-field electronic transport and properties of phosphor materials. The book emphasizes recent developments in phosphor materials for color thin-film EL devices based on ZnS, SrS, CaS and CaGa2S4, and multicolor thin-film EL panels in four-panel structures. Other important features discussed are drive methods and reliability issues.
Microdisplays are tiny, high-resolution electronic displays, designed for use in magnifying optical systems such as HDTV projectors and near-eye personal viewers. As a result of research and development into this field, Microdisplays are incorporated in a variety of visual electronics, notably new 3G portable communications devices, digital camera technologies, wireless internet applications, portable DVD viewers and wearable PCs. Introduction to Microdisplays encapsulates this market through describing in detail the theory, structure, fabrication and applications of Microdisplays. In particular this book: Provides excellent reference material for the Microdisplay industry through including an overview of current applications alongside a guide to future developments in the field Covers all current technologies and devices such as Silicon Wafer Backplane Technology, Liquid Crystal Devices, Micromechanical Devices, and the emerging area of Organic Light Emitting Diodes Presents guidance on the design of applications of Microdisplays, including Microdisplays for defence and telecoms, from basic principles through to their performance limitations Introduction to Microdisplays is a thorough and comprehensive reference on this emerging topic. It is essential reading for display technology manufacturers, developers, and system integrators, as well as practising electrical engineers, physicists, chemists and specialists in the display field. Graduate students, researchers, and developers working in optics, material science, and telecommunications will also find this a valuable resource. 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 book discusses recent developments in electroluminescent (EL) displays, in particular thin-film EL displays, which are all-solid emissive displays with fast response, wide viewing angle, high resolution, wide operating temperature ranges and good display qualities. First, the characteristics of four types of EL devices are presented, and the physics of ac thin-film EL devices are detailed, including ideal models, measuring and evaluation methods, high-field electronic transport and properties of phosphor materials. The book emphasizes recent developments in phosphor materials for color thin-film EL devices based on ZnS, SrS, CaS and CaGa2S4, and multicolor thin-film EL panels in four-panel structures. Other important features discussed are drive methods and reliability issues.
An electroluminescent display panel of the cross-grid-matrix-type was fabricated on a 10-3/4 x 10-3/4-inch glass substrate using improved vacuum deposition procedures and a high brightness manganese-doped ZnS phosphor. This panel contained 256 x 256 active elements within an area of approximately 7 x 7 inches. Linear resolution was 36 elements per inch with a cross-conductor width of 0.020 inch and a separation of 0.007 inch. The display panel was successfully used as a viewing screen for rear-projected images. The brightness-voltage relationship of the thin film phosphor was such that a cross-suppression ratio in excess of 10,000 to 1 was achieved with an excited element brightness of 100 ft-L. Performance measurements indicated that the optimum drive frequency was about 15 kHz. For pulsed operation, a burst frequency of 37.5 Hz, a carrier frequency of 15 kHz, and a duty cycle of 0.25 percent gave an average brightness of a few foot-Lamberts. Useful operating lifetime of several hundred hours under the above conditions was indicated by preliminary data. The variation in brightness uniformity over a group of cells near the center of the panel was less than 7 percent at an average brightness level of 16 ft-L.A brightness reduction of about 12 percent was observed at a single cell when the contacting configuration was varied on the stannic oxide electrode. (Author).
With thousands of products and ever more complex technologies to choose from, this is a convenient guide for computer users and developers guide that takes the confusion out of high-resolution computer display systems. It provides a comprehensive overview of the major high-resolution display systems on the market today, with practical emphasis on choosing the right monitors, software drivers, and controller boards for specific needs.