Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chih-Kuang Cheng0
Ko-Chia Kao0
Jyh-Haur Huang0
Jing-Huan Liao0
Date of Patent
December 30, 2008
0Patent Application Number
111757460
Date Filed
July 6, 2005
0Patent Primary Examiner
Patent abstract
A backlight module and an illumination device thereof. The illumination device of the backlight module comprises a light source and a lens, disposed over the light source with a predetermined gap therebetween. The lens comprises a bottom surface as an incident surface, a pair of upper refracting surfaces, and a pair of lateral refracting surfaces. The upper refracting surfaces form an included angle substantially in a range of about 80° to about 120°.
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