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:
Apr. 29, 2025

Filed:

Apr. 05, 2021
Applicant:

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

Inventors:

Sang Seop Kum, Yongin-si, KR;

Beom Jun Kim, Yongin-si, KR;

Seung Kyu Lee, Yongin-si, KR;

Assignee:

SAMSUNG DISPLAY CO., LTD., Yongin-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/20 (2005.12); H01L 23/544 (2005.12); H01L 25/075 (2005.12); H01L 33/00 (2009.12); H10D 86/40 (2024.12); H10D 86/60 (2024.12); H10H 20/851 (2024.12); H10H 20/855 (2024.12); H10H 20/857 (2024.12); H10H 20/80 (2024.12);
U.S. Cl.
CPC ...
H01L 25/0753 (2012.12); H01L 23/544 (2012.12); H10D 86/40 (2024.12); H10D 86/60 (2024.12); H10H 20/851 (2024.12); H10H 20/855 (2024.12); H10H 20/857 (2024.12); H01L 2223/54426 (2012.12); H10H 20/882 (2024.12);
Abstract

A tiled display device includes a first display device and a second display device, each of the first display and the second display including a display area and a non-display area. The first display device and the second display device are bonded to each other. The first display device includes an alignment key area and a lower electrode layer. The alignment key area performs an alignment key function when a process is performed on the tiled display device. The lower electrode layer includes a first lower electrode layer and a second lower electrode layer. The first lower electrode layer surrounds the display area of the first display device and the second lower electrode layer is disposed in the alignment key area.


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