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. 28, 2018

Filed:

Apr. 04, 2016
Applicant:

Samsung Display Co., Ltd., Yongin-si, Gyeonggi-do, KR;

Inventor:

Gil-Jae Lee, Yongin-si, KR;

Assignee:

Samsung Display Co., Ltd., Yongin-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 5/00 (2006.01); G09G 3/3233 (2016.01); H01L 27/32 (2006.01); G09G 3/20 (2006.01); G09G 3/3258 (2016.01);
U.S. Cl.
CPC ...
G09G 3/3233 (2013.01); G09G 3/2007 (2013.01); G09G 3/3258 (2013.01); H01L 27/3262 (2013.01); H01L 27/3265 (2013.01); H01L 27/3276 (2013.01); G09G 2300/0426 (2013.01); G09G 2300/0819 (2013.01); G09G 2300/0866 (2013.01); G09G 2310/0251 (2013.01); G09G 2310/0262 (2013.01); G09G 2320/0295 (2013.01); G09G 2320/045 (2013.01); G09G 2320/0693 (2013.01); G09G 2330/021 (2013.01); G09G 2330/04 (2013.01);
Abstract

A pixel circuit according to example embodiments includes a scan switch connected between a data line and a first node, a storage capacitor, an organic light emitting diode, a driving transistor connected to a first power voltage and configured to generate a driving current, a first control switch connected between the driving transistor and a second node and configured to be turned on during a first sensing period based on a first control signal, a second control switch connected between the second node and an anode of the organic light emitting diode and configured to be turned on during a second sensing period based on a second control signal, and a sensing switch connected between the data line and the second node and configured to be turned on based on a sensing control signal.


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