Light guide plate and light source module
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United States of America Patent
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Sep 19, 2017
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N/A
app pub date -
Aug 20, 2015
filing date -
Mar 16, 2012
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Abstract
A light guide plate and a light source module are described. The light guide plate includes a main body, first stripe microstructures and second stripe microstructures. The main body includes a light incidence surface and an optic surface. The light incidence surface is connected to the optic surface. The optic surface includes a first microstructure region and a second microstructure region arranged sequentially, and the first microstructure region is near the light incidence surface. The first stripe microstructures are disposed in the first microstructure region and extending along a direction from one side near the light-incident surface to the other side away from the light-incident surface. The second stripe microstructures are disposed in the second microstructure region along the direction. A gradient of each second stripe microstructure is gradually varied along the direction.
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