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. 08, 2022
Applicant:

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

Inventors:

Hyung June Kim, Seongnam-si, KR;

Ji Hyun Min, Hwaseong-si, KR;

Sang Ho Park, Hwaseong-si, KR;

Se Hyung Cho, Anyang-si, KR;

Jang Bog Ju, Seoul, KR;

Assignee:

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

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H10H 20/855 (2025.01); H01L 25/16 (2023.01); H10H 20/851 (2025.01);
U.S. Cl.
CPC ...
H10H 20/855 (2025.01); H01L 25/167 (2013.01); H10H 20/8515 (2025.01);
Abstract

A display device including: a first electrode on a substrate, a second electrode spaced from the first electrode in a second direction, an optical layer on the first electrode and the second electrode, the optical layer including a first layer and a second layer, the second layer including a different material and having a different thickness from the first layer, and a plurality of light emitting elements on the optical layer, the first electrode, and the second electrode, wherein the optical layer includes a plurality of pair layers, each of the plurality of pair layers including the first layer and the second layer, and the first layer and the second layer are alternately stacked.


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