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:
Oct. 15, 2019

Filed:

Dec. 20, 2018
Applicant:

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

Inventors:

Hyunwoong Kim, Gwangmyeong-si, KR;

Seung-kyu Lee, Asan-si, KR;

Kwang-min Kim, Seoul, KR;

Jongwon Park, Asan-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/00 (2006.01); G01N 21/958 (2006.01); H05K 1/02 (2006.01);
U.S. Cl.
CPC ...
G09G 3/006 (2013.01); G01N 21/958 (2013.01); H05K 1/028 (2013.01); H05K 1/0269 (2013.01); G09G 2310/0267 (2013.01);
Abstract

A display device includes a display panel, a first inspection line, a second inspection line, and an inspection circuit controlling a connection between the first inspection line and a first pixel group and a connection between the second inspection line and the second pixel group. The inspection circuit includes a switching part including a first switching part that controls the connection between the first inspection line and the first pixel group and a second switching part that controls the connection between the second inspection line and the second pixel group and a dummy circuit including a dummy transistor that is electrically connected to the switching part and including a first dummy electrode, a second dummy electrode that is connected to the first dummy electrode, and a dummy control electrode.


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