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:
Oct. 27, 2020

Filed:

Dec. 26, 2018
Applicants:

Radiant(guangzhou) Opto-electronics Co., Ltd, Guangzhou, Guangdong, CN;

Radiant Opto-electronics Corporation, Kaohsiung, TW;

Inventors:

Chia-Yin Chang, Kaohsiung, TW;

Chin-Ting Weng, Kaohsiung, TW;

Hao Chen, Kaohsiung, TW;

Yi-Ching Chung, Kaohsiung, TW;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0036 (2013.01); G02B 6/0015 (2013.01); G02B 6/0061 (2013.01); G02B 6/0038 (2013.01); G02B 6/0068 (2013.01);
Abstract

A light guide plate, a backlight module and a display device are provided. The light guide plate includes a main body and plural prism portions. The main body has a first extending direction and a second extending direction. The main body includes a light-incident surface extending along the first extending direction and an optical surface connected to the light-incident surface. The optical surface has a first region, a second region and a third region which are arranged along the second extending direction. The prism portions are disposed on the optical surface and extend along the second extending direction. An occupied area ratio of the prism portions located in the first region is greater than an occupied area ratio of the prism portions located in the second region and is smaller than an occupied area ratio of the prism portions located in the third region.


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