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:
Dec. 30, 2025

Filed:

Nov. 02, 2022
Applicant:

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

Inventors:

Jong Chan Lee, Suwon-si, KR;

Jin Taek Kim, Yongin-si, KR;

Hyun Kim, Seoul, KR;

Jeong Su Park, Asan-si, KR;

Woong Hee Jeong, Seoul, KR;

Jung Eun Hong, Seoul, KR;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10H 20/831 (2025.01); H01L 25/075 (2006.01); H10H 20/01 (2025.01); H10H 20/832 (2025.01); H10H 20/857 (2025.01);
U.S. Cl.
CPC ...
H10H 20/8312 (2025.01); H01L 25/0753 (2013.01); H10H 20/01 (2025.01); H10H 20/832 (2025.01); H10H 20/857 (2025.01); H10H 20/032 (2025.01); H10H 20/0364 (2025.01);
Abstract

A display device includes, first and second electrodes on a substrate, a buffer layer covering the first and second electrodes, a light emitting element between the first and second electrodes a first contact electrode on the first electrode electrically contacting an end of the light emitting element, and a second contact electrode on the second electrode electrically contacting another end of the light emitting element, and an active layer on the buffer layer, and a first connection electrode electrically contacting at least one side of the active material layer the first and second contact electrodes, and the active material layer are on a same layer, and a thickness of the first electrode and a thickness of the second electrode is greater than about 800 nm.


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