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. 23, 2020

Filed:

Feb. 12, 2018
Applicant:

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

Inventors:

Xiaoliang Ding, Beijing, CN;

Xue Dong, Beijing, CN;

Jing Lv, Beijing, CN;

Haisheng Wang, Beijing, CN;

Chunwei Wu, Beijing, CN;

Yingming Liu, Beijing, CN;

Pengpeng Wang, Beijing, CN;

Wei Liu, Beijing, CN;

Yanling Han, Beijing, CN;

Xueyou Cao, Beijing, CN;

Ping Zhang, Beijing, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J 1/42 (2006.01); G01J 1/46 (2006.01); G09G 5/10 (2006.01); H04N 1/60 (2006.01); H04N 5/58 (2006.01); H04N 9/77 (2006.01);
U.S. Cl.
CPC ...
G01J 1/4204 (2013.01); G01J 1/46 (2013.01); G09G 5/10 (2013.01);
Abstract

The present application proposes a circuit and method for detecting ambient light, and a display panel. The circuit for detecting ambient light includes a light sensing sub-circuit configured to output a voltage pulse signal related to present intensity of the ambient light; and a detection sub-circuit electrically connected to the light sensing sub-circuit, and configured to acquire a frequency of the voltage pulse signal, and obtain the present intensity of the ambient light according to the frequency of the voltage pulse signal.


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