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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.

Patent No.:

US 12495706 B1

PDFFull Text
Date of Patent:
Dec. 09, 2025

Filed:

Nov. 16, 2022

Electroluminescent display device

Applicant:

Lg Display Co., Ltd., Seoul, KR;

Inventors:

Dayeon Jeong, Sejong, KR;

Chulyoung Jang, Daegu, KR;

Sangmo Byun, Gimpo-si, KR;

Hyun Kim, Gimpo-si, KR;

Yooji Hwang, Seoul, KR;

Assignee:

LG Display Co., Ltd., Seoul, KR;

Attorney:

Seed Intellectual Property Law Group LLP

Primary Examiner:

Victoria K Hall

Int. Cl.
CPC ...
H01L 51/00 (2006.01); H10D 30/67 (2025.01); H10K 50/844 (2023.01); H10K 59/123 (2023.01); H10K 59/80 (2023.01); H10K 71/00 (2023.01); H10K 50/11 (2023.01); H10K 59/12 (2023.01); H10K 102/00 (2023.01);
U.S. Cl.
CPC ...
H10K 59/874 (2023.02); H10D 30/6755 (2025.01); H10K 50/844 (2023.02); H10K 59/123 (2023.02); H10K 59/873 (2023.02); H10K 71/00 (2023.02); H10K 50/11 (2023.02); H10K 59/12 (2023.02); H10K 59/1201 (2023.02); H10K 2102/3026 (2023.02);
Abstract

An electroluminescent display device according to an example embodiment of the present disclosure may include a substrate including an active area having an emission area and a non-active area, a planarization layer disposed on the substrate, a light emitting element disposed on the planarization layer, a buffer layer disposed on the light emitting element and having a plurality of holes in a surface thereof and a hydrogen trap layer disposed on the buffer layer. As a result, by preventing hydrogen inflow into an oxide thin film transistor, characteristics and reliability of the thin film transistor can be improved.

Find Patent Forward Citations

Jeong, Dayeon. (2025). Electroluminescent display device (U.S. Patent No. 12495706). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12495706

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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