The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 05, 2010
Filed:
May. 23, 2007
Applicants:
Ping-yeng Chen, Feng Yuan, TW;
Kuo-jui Huang, Ta Li, TW;
Pei-yin Chang, Yun Lin Town, TW;
Inventors:
Assignee:
Wintek Corporation, Taichung, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/00 (2006.01); F21V 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A backlight module includes a light source and a light guide plate. The light guide plate includes a light-receiving surface next to a light source, a light-emitting surface, and a light-reflecting surface oppose to the light-emitting surface. A plurality of notches are formed on the light-reflecting surface, and each notch has a first inner surface facing the light source and a second inner surface back to the light source and opposite to the first inner surface. The inclination angle of the first inner surface with respect to the light-reflecting surface is no more than 35 degrees.