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:
Aug. 08, 2023

Filed:

Jan. 18, 2022
Applicants:

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

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

Inventors:

Guangyun Tong, Beijing, CN;

Yu Zhang, Beijing, CN;

Zhuolong Li, Beijing, CN;

Liang Bo, Beijing, CN;

Xuefei Qin, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/044 (2006.01); G06F 3/041 (2006.01); G06F 3/0346 (2013.01); G06V 40/13 (2022.01);
U.S. Cl.
CPC ...
G06F 3/0445 (2019.05); G06F 3/0346 (2013.01); G06F 3/0412 (2013.01); G06F 3/0446 (2019.05); G06F 3/04164 (2019.05); G06F 2203/04106 (2013.01); G06F 2203/04114 (2019.05); G06V 40/1318 (2022.01);
Abstract

Provides is a touch panel. The touch panel includes: a first electrode layer, a photosensitive layer, and a second electrode layer that are laminated, wherein the photosensitive layer is insulated from the first electrode layer and the second electrode layer, and the first electrode layer, the photosensitive layer, and the second electrode layer are capable of forming a plurality of touch units arranged in an array. The photosensitive layer is configured to generate a dielectric constant change at a position under irradiation by light from a line light source.


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