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:
Oct. 21, 2025

Filed:

Dec. 28, 2021
Applicant:

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

Inventors:

Dae Ho Song, Hwaseong-si, KR;

Min Woo Kim, Hwaseong-si, KR;

Hyung Il Jeon, Seoul, KR;

Jin Woo Choi, Seoul, KR;

Sung Kook Park, Suwon-si, KR;

So Yeon Yoon, Uijeongbu-si, KR;

Assignee:

SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 59/121 (2023.01); H01L 25/16 (2023.01); H10H 20/851 (2025.01); H10H 20/854 (2025.01); H10H 20/856 (2025.01); H10H 29/14 (2025.01); H10K 59/122 (2023.01); H10H 20/01 (2025.01); H10H 20/80 (2025.01); H10H 20/812 (2025.01); H10H 20/825 (2025.01); H10H 20/857 (2025.01);
U.S. Cl.
CPC ...
H10H 29/142 (2025.01); H01L 25/167 (2013.01); H10H 20/8515 (2025.01); H10H 20/854 (2025.01); H10H 20/856 (2025.01); H10K 59/121 (2023.02); H10K 59/122 (2023.02); H10H 20/0362 (2025.01); H10H 20/0363 (2025.01); H10H 20/812 (2025.01); H10H 20/825 (2025.01); H10H 20/857 (2025.01); H10H 20/882 (2025.01);
Abstract

A display device includes a bank disposed on a substrate, a light emitting element disposed in a light emitting area partitioned by the bank on the substrate, and extended in a thickness direction of the substrate, a wavelength conversion layer disposed on the light emitting element in the light emitting area and converting a wavelength of light emitted from the light emitting element, and a protective film disposed between the light emitting element and the wavelength conversion layer in the light emitting area. The protective film is disposed between at least one side of the light emitting element and at least one side of the bank which face each other.


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