Apparatus for backlighting LCD

Details Apparatus for backlighting LCD Apparatus for backlighting LCD

1993-02-16

1995-04-04

Lazarus, Ira S.

Illumination

Revolving

362 26, 362800, 359 49, 313498, F21V 800

Patent

active

054042771

ABSTRACT:
Apparatus for backlighting a liquid crystal display has an operational life of at least one hundred thousand hours and can be manufactured using a light source which has about one-seventh the cost of prior art light sources. The apparatus utilizes dies which laterally emit light into a light pipe.

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patent: 4698730 (1987-10-01), Sakai et al.
patent: 4714983 (1987-12-01), Lang
patent: 4845595 (1989-07-01), Fujii et al.
patent: 4929062 (1990-05-01), Guzik et al.
patent: 4959759 (1990-09-01), Kohler
patent: 5008788 (1991-04-01), Palinkas

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