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:
Feb. 23, 2021

Filed:

Jan. 07, 2019
Applicants:

Beijing Boe Optoelectronics Technology Co., Ltd., Beijing, CN;

Boe Technology Group Co., Ltd., Beijing, CN;

Inventors:

Shubai Zhang, Beijing, CN;

Pengfei Cheng, Beijing, CN;

Haiwei Sun, Beijing, CN;

Junjie Ma, Beijing, CN;

Yutao Hao, Beijing, CN;

Yuanda Lu, Beijing, CN;

Zhen Wang, Beijing, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/02 (2006.01); G02B 5/04 (2006.01); G02F 1/1335 (2006.01); G02F 1/13357 (2006.01);
U.S. Cl.
CPC ...
G02B 5/0226 (2013.01); G02B 5/0278 (2013.01); G02B 5/045 (2013.01); G02F 1/133504 (2013.01); G02F 1/133553 (2013.01); G02F 1/133602 (2013.01);
Abstract

An optical film element, a backlight and a display device are disclosed. The optical film element includes a transparent base and a first diffusion film located at a first surface of the transparent base; the optical film element further includes an optical functional layer located at a second surface of the transparent base opposite to the first surface; the optical functional layer includes transmission regions and reflection regions; reflection members are provided in the reflection regions.


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