Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 8, 2011
Patent Application Number
12161847
Date Filed
January 23, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
A wedge shaped lighting device includes a light source and a light guide plate disposed opposite to the light source, and the light guide plate includes a light entrance plane opposite to the light source and a light exit plane containing one side of the light entrance plane, and has a shape growing thicker in direction perpendicular to the light exit plane with the increasing distance from the light entrance plane and contains scattering particles for scattering light entering through the light entrance plane and propagating the inside thereof.
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