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:
Sep. 07, 2021

Filed:

Jun. 07, 2019
Applicant:

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

Inventors:

Boyoung Chung, Suwon-si, KR;

Youngwan Seo, Suwon-si, KR;

Dongwoo Kim, Yongin-si, KR;

Yeonkyung Kim, Seoul, KR;

Chong Chul Chai, Seoul, KR;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/038 (2013.01); G09G 3/3266 (2016.01); G09G 3/3225 (2016.01);
U.S. Cl.
CPC ...
G09G 3/3266 (2013.01); G09G 3/3225 (2013.01); G09G 2300/0426 (2013.01); G09G 2310/0205 (2013.01); G09G 2310/08 (2013.01);
Abstract

A scan driver includes a plurality of circuit stages, each circuit stage including a first input part configured to transfer a carry signal to a first node in response to a first clock signal, a second input part configured to transfer the first clock signal to a second node in response to a signal of the first node, a first output part configured to transfer a third clock signal to an output terminal in response to a signal of the second node, a holding part configured to maintain a signal of a third node response to a second clock signal, and a second output part configured to transfer a signal of the third node to the output terminal in response to the second clock signal.


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