LED-lit LCD TVs

    Authors

    R. B. Lu; S. Gauza;S. T. Wu

    Comments

    Authors: contact us about adding a copy of your work at STARS@ucf.edu

    Abbreviated Journal Title

    Mol. Cryst. Liquid Cryst.

    Keywords

    backlight; light emitting diodes; liquid crystal display; LIQUID-CRYSTALS; OPTICAL-PROPERTIES; Crystallography

    Abstract

    Recent advances of LED-lit LCD TVs are reviewed. The influence of LED backlight on the color performance, electro-optic characteristics of the LCD TVs, and color-sequential LCDs are emphasized. The LED backlit LCDs not only exhibits a wider color gamut but also has a similar to 1.3-2.5X smaller color shift than that of CCFL-BLU especially when there are no color filters used. Wide view angle of higher than 100: 1 within the 85 degrees viewing cone can be guaranteed with the optimal film compensation schemes. The LED light source as a 2D adaptive dimming backlight not only enhances the viewing angle but also lowers the power consumption. A thin twisted-nematic cell filled with a high birefringence exhibits a response time less than 2 ms, which is attractive for color sequential display using RGB LEDs.

    Journal Title

    Molecular Crystals and Liquid Crystals

    Volume

    488

    Publication Date

    1-1-2008

    Document Type

    Article; Proceedings Paper

    Language

    English

    First Page

    246

    Last Page

    259

    WOS Identifier

    WOS:000259224200024

    ISSN

    1542-1406

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