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. 03, 2020

Filed:

Feb. 17, 2017
Applicants:

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

Hefei Xinsheng Optoelectronics Technology Co., Ltd., Anhui, CN;

Inventors:

Lei Chen, Beijing, CN;

Chen Song, Beijing, CN;

Airong Liu, Beijing, CN;

Tangxiang Wang, Beijing, CN;

Xuelian Cheng, Beijing, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/3258 (2016.01); G09G 3/3233 (2016.01); H01L 27/32 (2006.01); H01L 51/52 (2006.01); G09G 3/3291 (2016.01); G09G 3/3283 (2016.01);
U.S. Cl.
CPC ...
G09G 3/3258 (2013.01); G09G 3/3233 (2013.01); H01L 27/3265 (2013.01); H01L 27/3276 (2013.01); H01L 51/5206 (2013.01); H01L 51/5221 (2013.01); G09G 3/3283 (2013.01); G09G 3/3291 (2013.01); G09G 2310/0291 (2013.01); G09G 2320/029 (2013.01); G09G 2320/06 (2013.01); G09G 2330/12 (2013.01);
Abstract

Disclosed are a circuit and a method for detecting a driving current of an organic light emitting diode display device, and an organic light emitting diode display device, the method includes: after detecting for a predetermined time period, obtaining an output voltage of the integrating circuit, and comparing the output voltage with at least one reference voltage; in the case that the output voltage and the reference voltage satisfy a predetermined condition, adjusting capacitance of a capacitor of the integrating circuit.


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