Until recently, the cathode ray tube (CRT) has been the main source of displays. During the last twenty years, it has been determined that alternatives to CRT displays need to found. One of the alternatives was the introduction of flat-panel displays. The term 'flat-panel display' is more a concept than a specific entity. A flat-panel display is often defined in terms of the ideal display: thin form, low volume, even surface, having high resolution, high contrast, sunlight readable, color, low power, and being solid-state and light weight. This is easy to conceive but difficult to deliver. The objective is to develop displays with as many desirable characteristics as possible. Flat-panel displays are basically of two types: the light valve type (that needs an external source of light such as a backlight or arc-lamp) and the emissive type (that generate light at the display surface). The light emitting diode (LED) display is of the emissive type. The LED displays have been in use for more than 25 years. Because of certain limitations of inorganic materials (such as cost, power, and color), LED displays do not dominate the flat-panel market. A recent discovery of polymer and organic materials may change LED prospects. If present research objectives are met, LEDs, especially organic LEDs may revolutionize the flat-panel display market. This paper addresses the various aspects of LED technology with particular reference to its useful characteristics, and the limitations that need to be overcome.


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    Title :

    High-performance applications of light emitting diode displays


    Additional title:

    Hochleistungsanwendungen von LED-Anzeigen


    Contributors:
    Saini, G.S. (author) / Hopper, D.G. (author)


    Publication date :

    1996


    Size :

    12 Seiten, 8 Bilder, 1 Tabelle, 7 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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