Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tai-Hao Chang0
Chun-Chang Hung0
Hsiu-Mei Fang0
Ming-Lung Chen0
Chiu-Chun Chen0
Date of Patent
August 30, 2011
0Patent Application Number
121881800
Date Filed
August 7, 2008
0Patent Primary Examiner
Patent abstract
A light diffusion device including a light incident surface and a light exit surface is provided. The light exit surface has at least one light scattering pattern. A trajectory of the light scattering pattern is a continuous curve. The continuous curve is winded to form a plurality of closed patterns in sequence on the light exit surface, and two adjacent closed patterns at least overlap partly.
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