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. 23, 2025

Filed:

Aug. 04, 2022
Applicant:

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

Inventors:

Hoo Keun Park, Cheongju-si, KR;

Seung Geun Lee, Hwaseong-si, KR;

Jin Wan Kim, Hwaseong-si, KR;

Young Jin Song, Asan-si, KR;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10H 20/825 (2025.01); H10H 20/812 (2025.01); H10H 20/816 (2025.01); H10H 20/831 (2025.01); H10H 29/14 (2025.01);
U.S. Cl.
CPC ...
H10H 20/825 (2025.01); H10H 20/812 (2025.01); H10H 20/8162 (2025.01); H10H 20/8312 (2025.01); H10H 29/142 (2025.01);
Abstract

A display device comprises a plurality of pixel electrodes which are provided on a substrate, and a plurality of light emitting elements which are provided on the plurality of pixel electrodes, wherein each of the plurality of light emitting elements comprises a first semiconductor layer, a second semiconductor layer and an active layer provided between the first semiconductor layer and the second semiconductor layer, and one or more of the plurality of light emitting elements comprise a capping layer included in the active layer, and another one of the plurality of light emitting elements does not comprise the capping layer in the active layer, wherein the capping layer comprises AlGaN.


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