Backlight assembly with a light pipe having optical elements and an integral surface diffuser
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United States of America Patent
Stats
-
Nov 19, 2002
Grant Date -
May 24, 2001
app pub date -
Jan 12, 2001
filing date -
Jul 8, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A backlight assembly is disclosed having a light pipe and at least one light source located at an edge of the light pipe. The light pipe has a back surface and a front surface opposite the back surface. The light pipe also has one or more light directing, diffusing, turning, or brightness enhancing film layers adjacent the front surface. The light pipe also has an integral surface diffuser microstructure molded, embossed, or otherwise replicated in the front surface of the light pipe.
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