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:
Mar. 27, 2007

Filed:

Sep. 17, 2003
Applicants:

Tai-cheng Yu, Tu-chen, TW;

Charles Leu, Fremont, CA (US);

Ga-lane Chen, Fremont, CA (US);

Inventors:

Tai-Cheng Yu, Tu-chen, TW;

Charles Leu, Fremont, CA (US);

Ga-Lane Chen, Fremont, CA (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

A backlight system () includes a light guide plate (), a reflection plate (), a light source () disposed at one side of the light guide plate, a diffusion plate () and a reflection polarizer (), which allows light polarized in one certain direction to pass, and reflects light polarized in a direction perpendicular to said one certain direction. The diffusion plate, the light guide plate, the diffusion plate, and the reflection polarizer are stacked up one on top of the other. A plurality of prisms () are disposed on a surface of the diffusion plate, thereby defining a plurality of V-shaped grooves (not labeled).


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