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. 19, 2019

Filed:

Dec. 22, 2017
Applicant:

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

Inventors:

Wonjun Lee, Hwaseong-si, KR;

Gichang Lee, Seoul, KR;

Cholho Kim, Suwon-si, KR;

Gunwoo Yang, Seoul, KR;

Assignee:

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

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/3266 (2016.01); G09G 3/3291 (2016.01); G09G 3/20 (2006.01); G09G 3/3233 (2016.01);
U.S. Cl.
CPC ...
G09G 3/3266 (2013.01); G09G 3/2003 (2013.01); G09G 3/3233 (2013.01); G09G 3/3291 (2013.01); G09G 2300/0426 (2013.01); G09G 2300/0814 (2013.01); G09G 2300/0866 (2013.01); G09G 2310/0245 (2013.01); G09G 2310/0251 (2013.01); G09G 2310/063 (2013.01); G09G 2320/0219 (2013.01); G09G 2320/0271 (2013.01); G09G 2330/021 (2013.01); G09G 2330/028 (2013.01);
Abstract

A light emitting display device includes: a first switch connected between a data line and a first node and including a gate connected to a first scan line; a second switch connected between a first driving power line and a second node and including a gate electrode connected to the first node; a first capacitor connected between the first node and the second node; a light emitting element connected between the second node and a second driving power line; a scan driver applying a first A-scan signal and a first B-scan signal during different times to the first scan line; a data driver applying a first initialization signal and a data signal to the data line at different times; and a power supply portion applying a first driving voltage, a second driving voltage, and a third driving voltage to the first driving power line at different times.


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