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:
May. 26, 2026

Filed:

Feb. 13, 2025
Applicant:

Hannstar Display Corporation, Taipei City, TW;

Inventors:

Yu-Chi Chiao, Taipei City, TW;

Hsu-Ho Wu, Taipei City, TW;

Chen-Hao Su, Taipei City, TW;

Chun-Ming Hsu, Taipei City, TW;

Yen-Chung Chen, Taipei City, TW;

Yung-Chih Wang, Taipei City, TW;

Chin-Hui Chen, Taipei City, TW;

Hsin Liang Lai, Taipei City, TW;

Heng-I Chang, Taipei City, TW;

Assignee:

HannStar Display Corporation, Taipei City, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0036 (2013.01); G02B 6/0038 (2013.01); G02B 6/0043 (2013.01); G02B 6/0045 (2013.01); G02B 6/0058 (2013.01); G02B 6/0061 (2013.01); G02B 6/0068 (2013.01);
Abstract

A light source module including a light guide plate, a first light source and a plurality of optical microstructures is provided. The light guide plate has a first light incident surface, a first side surface and a first surface. The first light incident surface and the first side surface connect the first surface. The first surface has a first area and a second area. The second area is located between the first area and one of the first light incident surface and the first side surface. A first light source is disposed on one side of the first light incident surface of the light guide plate. A plurality of optical microstructures are disposed on the first surface. A distribution density of the plurality of optical microstructures in the first area is less than a distribution density of the plurality of optical microstructures in the second area.


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