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:
Nov. 30, 2021

Filed:

Feb. 02, 2018
Applicant:

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

Inventors:

Changfeng Li, Beijing, CN;

Haisheng Wang, Beijing, CN;

Yingming Liu, Beijing, CN;

Xiaoliang Ding, Beijing, CN;

Rui Xu, Beijing, CN;

Pengpeng Wang, Beijing, CN;

Wei Liu, Beijing, CN;

Yuzhen Guo, Beijing, CN;

Pengcheng Lu, Beijing, CN;

Yanan Jia, Beijing, CN;

Pinchao Gu, Beijing, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09B 21/00 (2006.01); G09G 3/00 (2006.01);
U.S. Cl.
CPC ...
G09B 21/004 (2013.01); G09B 21/007 (2013.01); G09G 3/03 (2020.08); G09G 2310/0267 (2013.01); G09G 2310/0275 (2013.01); G09G 2310/08 (2013.01);
Abstract

The embodiments of the present disclosure provide a display panel, a display device, and a method for displaying Braille information. The display panel includes a plurality of scan lines, data lines, and display circuits arranged at intersections of the plurality of scan lines and the plurality of data lines. The display circuit includes a switch configured to be turned on or off according to a scan signal from the scan line, and a dot element coupled to the switch. The dot element includes a substrate, an electrode provided on the substrate, a thermosensitive layer provided on the electrode, and a dot key arranged on the thermosensitive layer. The electrode is coupled to the switch, and configured to be applied with a data signal from the data line when the switch is turned on. The thermosensitive layer is configured to be heated by the electrode to protrude the dot.


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