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.
Patent No.:
Date of Patent:
Mar. 01, 2022
Filed:
Feb. 22, 2021
Applicants:
Chengdu Boe Optoelectronics Technology Co., Ltd., Chengdu, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Inventors:
Assignees:
Chengdu BOE Optoelectronics Technology Co., Ltd., Chengdu, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/20 (2006.01); G09G 3/3258 (2016.01); G09G 3/3266 (2016.01); G09G 3/3291 (2016.01);
U.S. Cl.
CPC ...
G09G 3/2092 (2013.01); G09G 3/3258 (2013.01); G09G 3/3266 (2013.01); G09G 3/3291 (2013.01);
Abstract
A pixel driving circuit and an ultrasonic line recognition circuit are coupled to a same power supply terminal, a same first control signal terminal and a same scanning signal terminal; and the ultrasonic line recognition circuit is coupled to an ultrasonic device, and the pixel driving circuit is coupled to a data signal terminal and a light emitting device.