Backlighting system with a multi-reflection light injection system and using microprisms
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United States of America Patent
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-
Oct 25, 1994
Issued Date -
N/A
app pub date -
Apr 19, 1993
filing date -
Oct 8, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An assembly for backlighting a liquid crystal flat panel display or other such arrangement requiring backlighting is disclosed herein. The assembly is composed of a multi-reflection light injection system, a light pipe and a set of specifically configured microprisms which, cooperating with the light pipe, provides an efficient backlighting technique with a controllable degree of collimation. The disclosed assembly may employ up to four light sources to give a brighter backlighting.
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Cited Art Landscape
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