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. 14, 2026

Filed:

Nov. 28, 2023
Applicant:

Wuhan China Star Optoelectronics Technology Co., Ltd., Wuhan, CN;

Inventors:

Guangkun Liu, Wuhan, CN;

Xinpei Hu, Wuhan, CN;

Huanli Yang, Wuhan, CN;

Fancheng Liu, Wuhan, CN;

Guowei Zha, Wuhan, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0035 (2013.01);
Abstract

A display device includes: a backlight module including a backlight source and a light profile adjustment film; and an optical machine module disposed on a side of the light profile adjustment film away from the backlight source. The light profile adjustment film includes an optical adjustment microstructure, and included angles between main optical axes and normal lines of light emitted from the backlight source after passing through the light profile adjustment film are centrally symmetrical with respect to a center of the light profile adjustment film. The included angle is increased or remains unchanged from the center of the light profile adjustment film to an edge of the light profile adjustment film.


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