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.:

US 7677749 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 16, 2010

Filed:

Aug. 28, 2007
Applicants:

Shao-han Chang, Taipei Hsien, TW;

Fen Chen, Shenzhen, CN;

Inventors:

Shao-Han Chang, Taipei Hsien, TW;

Fen Chen, Shenzhen, CN;

Assignees:

Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Shenzhen, Guangdong Province, CN;

Hon Hai Precision Industry Co., Ltd., Tu-Cheng, Taipei Hsien, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); G09F 13/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

An exemplary optical plate includes at least one transparent plate unit. The transparent plate unit includes a light output surface, a bottom surface, a plurality of through holes and at least one lamp-receiving portion. The light output surface is opposite to the bottom surface. Each of the through holes communicates the light output surface with the bottom surface. The lamp-receiving portion is defined in the bottom surface. A backlight module using the present optical plate is also provided.


Find Patent Forward Citations

Chang, Shao-Han. (2010). Optical plate and backlight module using the same (U.S. Patent No. 7677749). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7677749

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