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:
May. 03, 2022

Filed:

Oct. 05, 2020
Applicant:

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

Inventors:

Jun Hyun Park, Suwon-si, KR;

Chong Chui Chai, Seoul, KR;

Young Wan Seo, Suwon-si, KR;

An Su Lee, Seoul, KR;

Bo Yong Chung, Suwon-si, KR;

Kang Moon Jo, Hwaseong-si, KR;

Assignee:

SAMSUNG DISPLAY CO., LTD., Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/3258 (2016.01); G09G 3/3233 (2016.01);
U.S. Cl.
CPC ...
G09G 3/3258 (2013.01); G09G 3/3233 (2013.01); G09G 2300/0819 (2013.01); G09G 2300/0842 (2013.01); G09G 2320/0209 (2013.01); G09G 2330/028 (2013.01);
Abstract

A pixel circuit includes a first switching element including a control electrode connected to a first node, an input electrode which receives a first power voltage and an output electrode connected to a third node, a second switching element including a control electrode which receives a compensation gate signal, an input electrode connected to a second node and an output electrode connected to the third node, a third switching element including a control electrode which receives a write gate signal, an input electrode connected to the first node and an output electrode connected to the second node, a storage capacitor including a first electrode which receives an initialization voltage and a second electrode connected to the first node, a program capacitor which receives a data voltage and connected to the second node, and an organic light emitting element connected to the third node and which receives a second power voltage.


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