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:
Jul. 01, 2025

Filed:

May. 11, 2023
Applicant:

Darwin Precisions Corporation, Hsinchu County, TW;

Inventors:

Yu-Huan Chiu, Hsinchu County, TW;

Chien-Wei Liao, Hsinchu County, TW;

Yen-Lung Chen, Hsinchu County, TW;

Assignee:

DARWIN PRECISIONS CORPORATION, Hsinchu County, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0036 (2013.01); G02B 6/0058 (2013.01); G02B 6/0038 (2013.01);
Abstract

A backlight module includes a light guide plate and a light source module. The light guide plate includes a light receiving surface, a light exit surface, and a bottom surface. The light exit surface is connected to a first end of the light receiving surface. The bottom surface is connected to a second end of the light receiving surface opposite to the first end and located opposite to the light exit surface. The bottom surface includes a central region and a peripheral girdle region at least partially surrounding the central region. The central region includes a plurality of first reflecting structures, and the peripheral girdle region includes a plurality of second reflecting structures. The second reflecting structure is different from the first reflecting structure. The light source module is disposed along the light receiving surface and provides light beams incident into the light receiving surface.


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