43.4: High Brightness Direct LED Backlight for LCD-TV

A novel LED light source, “Luxeon Direct”, has been integrated into a highly efficient direct backlight. This concept incorporates one of the latest LEDs released by Lumileds™. This direct backlight approach integrates side emitting LEDs with a highly reflective cavity placed behind the LCD. Prior t...

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Bibliographic Details
Published in:SID International Symposium Digest of technical papers 2003-05, Vol.34 (1), p.1262-1265
Main Authors: West, Robert Scott, Konijn, Huub, Sillevis-Smitt, Willem, Kuppens, Simon, Pfeffer, Nicola, Martynov, Yourii, Takaaki, Yagi, Eberle, Stefan, Harbers, Gerard, Tan, Tien Wei, Chan, Choon Earn
Format: Article
Language:English
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Summary:A novel LED light source, “Luxeon Direct”, has been integrated into a highly efficient direct backlight. This concept incorporates one of the latest LEDs released by Lumileds™. This direct backlight approach integrates side emitting LEDs with a highly reflective cavity placed behind the LCD. Prior to this method it has been very difficult to use high power red, green and blue (RGB) LEDs in a direct backlight design due to the high color and brightness uniformity requirements. In this paper a method will be demonstrated that can achieve excellent backlight performance using an indirect illumination approach with high power LEDs.
ISSN:0097-966X
2168-0159
DOI:10.1889/1.1832516