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.

Date of Patent:
Feb. 05, 2008

Filed:

Sep. 26, 2006
Applicants:

Xing-peng Yang, Beijing, CN;

Ying-bai Yan, Beijing, CN;

Guo-fan Jin, Beijing, CN;

Inventors:

Xing-Peng Yang, Beijing, CN;

Ying-Bai Yan, Beijing, CN;

Guo-Fan Jin, Beijing, CN;

Assignees:

Tsing Hua University, Beijing, CN;

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A light guiding plate () includes a light incident surface (), a light emitting surface () adjacent to the light incident surface, and a bottom surface () opposite to the light emitting surface. The light incident surface includes at least one row of first grooves () and at least one row of second grooves (). The first grooves is configured for increasing a range of incident angles in which light beams enter the light guiding plate via the light incident surface and thereby improving a brightness of the light guiding plate, and the second grooves is configured for complementing the functions of the first grooves thereby improving a uniformity of light output by the light guiding plate.


Find Patent Forward Citations

Yang, Xing-Peng. (2008). Light guiding plate and backlight module employing the same (U.S. Patent No. 7325958). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7325958

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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