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:
Jun. 11, 2024

Filed:

Nov. 18, 2020
Applicant:

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

Inventors:

Jinye Zhu, Beijing, CN;

Sen Ma, Beijing, CN;

Zhichong Wang, Beijing, CN;

Tao Hong, Beijing, CN;

Junxing Yang, Beijing, CN;

Jing Yu, Beijing, CN;

Tianyang Han, Beijing, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 30/31 (2020.01); G02F 1/133 (2006.01); G02F 1/1343 (2006.01);
U.S. Cl.
CPC ...
G02B 30/31 (2020.01); G02F 1/13306 (2013.01); G02F 1/134309 (2013.01);
Abstract

The present disclosure provides a grating including: a first substrate including stacked first and second electrode layers each including strip-shaped electrodes with an identical width, strip-shaped electrodes in the first and second electrode layers arranged alternately; a second substrate opposite to the first substrate with a liquid crystal layer therebetween; driving modules for driving the strip-shaped electrodes to form light shading parts and light transmission parts, one light shading part and one adjacent light transmission part defining a grating unit, at least one grating unit defining a grating part, the driving modules arranged in one-to-one correspondence with the grating parts; and a control module for generating driving signals in one-to-one correspondence with the driving modules according to a distance between the human eyes and the grating, thereby changing a width of the grating unit corresponding to a crosstalk position. A 3D display device and a grating driving method are provided.


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