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.
Patent No.:
Date of Patent:
Mar. 29, 2022
Filed:
Oct. 07, 2020
Applicant:
Samsung Display Co., Ltd., Yongin-Si, KR;
Inventors:
Assignee:
SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/20 (2006.01); G06F 1/18 (2006.01); H01L 27/32 (2006.01); G09G 3/3275 (2016.01); H01L 27/12 (2006.01); G06F 1/16 (2006.01);
U.S. Cl.
CPC ...
G06F 1/189 (2013.01); G09G 3/3275 (2013.01); H01L 27/124 (2013.01); H01L 27/3276 (2013.01); G06F 1/1626 (2013.01); H01L 2227/323 (2013.01);
Abstract
A display device may include a display panel including a signal pad and a circuit board including a connection pad having a first connection pad portion and a second connection pad portion. The second connection pad portion may be thicker than the first connection pad portion and may not be overlapped with the first connection pad portion in a plan view. The connection pad may be in contact with the signal pad. A first surface roughness between the first connection pad portion and the signal pad may be greater than a second surface roughness between the second connection pad portion and the signal pad.