Backlight generating apparatus of a liquid crystal display devic

Details Backlight generating apparatus of a liquid crystal display devic Backlight generating apparatus of a liquid crystal display devic

1992-05-28

1994-03-15

Husar, Stephen F.

Illumination

Illuminated scale or dial

Edge illuminated modifier or light rod/pipe

362 31, 359 49, G01D 1128

Patent

active

052950484

ABSTRACT:
A backlight generating apparatus of an LCD device comprising a light-passing plate which is sloped with respect to a diffusing plate by a predetermined angle. The space between the two plates is filled with a diffusing material having a larger index of refraction than that of the light-passing plate. The present invention employs a diffusing plate with a transmissivity of over 30% to increase light efficiency, improve brightness, and decrease power consumption.

REFERENCES:
patent: 5040098 (1991-08-01), Tanaka et al.
patent: 5146354 (1992-09-01), Plesinger

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