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:
Jan. 25, 2022

Filed:

Apr. 11, 2019
Applicants:

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

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

Inventor:

Xinli Ma, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 5/10 (2006.01); G02F 1/13363 (2006.01); G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
G09G 5/10 (2013.01); G02F 1/13363 (2013.01); G09G 3/3607 (2013.01); G02F 1/133638 (2021.01); G09G 2320/0613 (2013.01); G09G 2320/0686 (2013.01); G09G 2320/08 (2013.01); G09G 2358/00 (2013.01);
Abstract

A display device, a driving method thereof and a display system are disclosed. The display device includes a display panel, a polarizer disposed on a side, where a light emitting surface of the display panel is located, of the display panel, and a phase retarder disposed on a side, where a light emitting surface of the polarizer is located, of the polarizer. The display region of the display panel includes a peep-proof area and a compensation area; the phase retarder includes a first phase retarder and a second phase retarder respectively corresponding to the peep-proof area and the compensation area; both the first and second phase retarder are a quarter-wave phase retarder; and the first and second phase retarder are configured to respectively convert light that is incident into the first phase retarder and the second phase retarder into polarized light with opposite rotation directions, in operation.


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