LCD display backlight using elongated illuminators
A technology for lighting devices and display panels, which is applied in the parts of lighting devices, lighting devices, light guides of lighting systems, etc., can solve problems such as lack of performance, and achieve the effect of eliminating demand, reducing costs and space appearance.
Inactive Publication Date: 2008-10-29
ROHM & HAAS DENMARK FINANCE
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Problems solved by technology
As noted earlier, conventional LED backlight solutions lack the performance needed to meet these additional requirements
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Abstract
A backlight apparatus for directing light toward a display panel and the resulting display device comprises an elongated illuminator that is disposed to direct light towards the display panel and a light diffusing element for uniformizing the light redirected from the two or more elongated illuminators to provide backlight illumination. Such an apparatus provides a more even light distribution to the display.
Description
Cross References to Related Applications US Provisional Application No. 60 / 873,318, filed December 7, 2006, entitled "Linear Lighting Elements and Methods," is hereby incorporated by reference and claims priority therefrom. field of invention The present invention relates to the field of backlight devices for displays and liquid crystal displays using these devices. In particular, the present invention relates to liquid crystal display (LCD) backlight units having solid state light sources. Background technique Although liquid crystal displays (LCDs) replacing cathode ray tube (CRT) monitors are compact and lightweight, there are many applications where the image quality of LCD displays is still unsatisfactory, especially as the relative size of these devices increases. Larger LCD panels such as those used in laptop computers or larger monitors are transmissive and thus require a backlight. This type of light behind the LCD panel provides a surface that emits light out ...
Claims
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IPC IPC(8): G02F1/13357F21V8/00F21V5/00F21Y101/02G02F1/1335F21Y105/10F21Y115/10F21Y115/15F21Y115/30
Inventor J·李M·W·科瓦兹P·T·阿伊沃德Q·洪R·H·威尔森
Owner ROHM & HAAS DENMARK FINANCE
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