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:
Jul. 01, 2025

Filed:

Jun. 30, 2022
Applicant:

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

Inventors:

Jin Wan Kim, Hwaseong-si, KR;

Sang Jo Kim, Daejeon, KR;

Hoo Keun Park, Yongin-si, KR;

Byung Ju Lee, Seoul, KR;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10H 20/831 (2025.01); H10D 86/40 (2025.01); H10H 20/01 (2025.01); H10H 20/81 (2025.01); H10H 20/816 (2025.01); H10H 20/817 (2025.01); H10H 20/825 (2025.01); H10H 20/832 (2025.01); H10H 29/14 (2025.01);
U.S. Cl.
CPC ...
H10H 20/8312 (2025.01); H10H 20/01 (2025.01); H10H 20/8162 (2025.01); H10H 20/825 (2025.01); H10H 29/142 (2025.01); H10H 20/032 (2025.01);
Abstract

A display device is provided. The display device comprises a plurality of pixel electrodes on a first substrate and spaced apart from each other; a plurality of light emitting elements on the plurality of pixel electrodes; and a common electrode layer on the plurality of light emitting elements, wherein the common electrode layer includes a first common electrode layer on the plurality of light emitting elements, and a second common electrode layer between the first common electrode layer and the plurality of light emitting elements, and a lattice constant of the first common electrode layer is larger than a lattice constant of the second common electrode layer.


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