Backlight for color liquid crystal display apparatus

Details Backlight for color liquid crystal display apparatus Backlight for color liquid crystal display apparatus

2006-12-01

2009-11-10

Husar, Stephen F (Department: 2875)

Illumination

Illuminated scale or dial

Edge illuminated modifier or light rod/pipe

C362S601000, C362S612000, C362S613000, C362S616000, C362S620000, C349S065000, C349S068000

Reexamination Certificate

active

07614758

ABSTRACT:
A backlight for a color liquid crystal display apparatus includes a first light-guide plate; a first incidence part for receiving light of a first primary color in a first area on a first lateral surface of the first light-guide plate; a second incidence part for receiving light of a second primary color light in a second area on a second lateral surface that is opposite to the first lateral surface of the first light-guide plate; and a third incidence part for receiving light of a third primary color in a third area on a rear surface of the first light-guide plate. The number of superposition steps is thereby reduced, light-guide plates can easily be superposed onto an LCD panel with high accuracy, and a lightweight and inexpensive backlight for a color liquid crystal display apparatus can be obtained.

REFERENCES:
patent: 6648486 (2003-11-01), Harbers et al.
patent: 6854854 (2005-02-01), Hoelen et al.
patent: 2002/0167624 (2002-11-01), Paolini et al.
patent: 2002-196332 (2002-07-01), None

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