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:
Mar. 24, 2020

Filed:

Nov. 16, 2017
Applicants:

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

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

Inventors:

Xibin Shao, Beijing, CN;

Zhanchang Bu, Beijing, CN;

Ming Chen, Beijing, CN;

Jieqiong Wang, Beijing, CN;

Junjie Guo, Beijing, CN;

Cuilan Huang, Beijing, CN;

Dong Liang, Beijing, CN;

Bo Feng, Beijing, CN;

Wenjia Sun, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/34 (2006.01); F21V 8/00 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G09G 3/342 (2013.01); G02B 6/0068 (2013.01); G02F 1/133615 (2013.01); G09G 3/3426 (2013.01); G02B 6/0036 (2013.01); G02F 2001/133601 (2013.01); G09G 2300/023 (2013.01); G09G 2320/0238 (2013.01); G09G 2320/066 (2013.01); G09G 2320/0646 (2013.01); G09G 2320/0686 (2013.01); G09G 2360/16 (2013.01);
Abstract

A display device includes: a side-lighting backlight source, a display panel, and a light controlling component; the side-lighting backlight source comprises a light guide plate and a plurality of light emitting devices; the light guide plate includes a plurality of first regions and a brightness of a light emitting face of each of the first regions is controllable by at least one of the light emitting devices; the light controlling component includes a plurality of second regions configured such that one of the first regions covers at least one of the second regions; the brightness of the light emitting face of each of the first regions and a light transmittance of each of the second regions are controlled according to the contrast of the image to be displayed by a corresponding region of the liquid crystal display panel.


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