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 8087812 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 03, 2012

Filed:

May. 22, 2009
Applicants:

Ming-chuan Lin, Taichung, TW;

Kuang-min Wu, Taichung, TW;

Chiu-chih Fu, Changhua County, TW;

Hsing-fa Wang, Taichung County, TW;

Shih-cheng Wang, Changhua County, TW;

Tsung-yi Lin, Taichung, TW;

Inventors:

Ming-Chuan Lin, Taichung, TW;

Kuang-Min Wu, Taichung, TW;

Chiu-Chih Fu, Changhua County, TW;

Hsing-Fa Wang, Taichung County, TW;

Shih-Cheng Wang, Changhua County, TW;

Tsung-Yi Lin, Taichung, TW;

Assignee:

Wintek Corporation, Taichung, TW;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
Abstract

A light guide device and a backlight module. The backlight module comprises a light guide device and a plurality of light sources. The light guide device comprises a housing, comprising a frame around the housing; and a light guide plate, integrated inside the frame and comprising a light-emitting surface on one side of the light guide plate inside the frame and a light-receiving surface on one edge of the light guide plate, wherein a plurality of slots are disposed between the light guide plate and the frame and on other edges different from the edge whereon the light-receiving surface is disposed, and each of a plurality of barriers is disposed on an inner side of the light guide plate while being adjacent to one of the plurality of slots. The barriers are capable of reflecting the light traveling toward the frame back to the backlight module to improve the light efficiency.


Find Patent Forward Citations

Quick Actions:

Lin, Ming-Chuan. (2012). Light guide device and backlight module (U.S. Patent No. 8087812). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8087812

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

Loading…