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 12581808 B1

Date of Patent:

Mar. 17, 2026

Filed:

Aug. 04, 2022

Electroluminescent display device

Applicant:

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

Inventors:

Seungho Bang, Goyang-si, KR;

Jonghan Park, Seoul, KR;

Hyeona Kim, Incheon, KR;

Bokyoung Lee, Seoul, KR;

Jungho Bang, Paju-si, KR;

Assignee:

LG Display Co., Ltd, , KR;

Attorney:

Fish & Richardson P.C.

Primary Examiner:

Vincent Wall

Int. Cl.

CPC ...

H10K 59/124 (2023.01); H10K 50/844 (2023.01); H10K 59/12 (2023.01); H10K 71/00 (2023.01);

U.S. Cl.

CPC ...

H10K 59/124 (2023.02); H10K 50/844 (2023.02); H10K 71/00 (2023.02); H10K 59/1201 (2023.02);

Abstract

An electroluminescent display device includes a substrate having a display area surrounding a through-hole, and a non-display area disposed between the display area and the through-hole, a thin-film transistor disposed on an upper portion of the display area and a light-emitting element connected to the thin-film transistor, a plurality of insulating layers disposed between the substrate and the thin-film transistor, a planarization layer disposed between the thin-film transistor and the light-emitting element, and at least one anti-connection part disposed in the non-display area and including the plurality of insulating layers and the planarization layer, in which the planarization layer and the plurality of insulating layers, which constitute the anti-connection part, and each of the planarization layer and the plurality of insulating layers has an undercut shape in which a bottom surface is narrower than a top surface, so that the light-emitting part of the light-emitting element is disconnected in the through-hole by the anti-connection part, thereby penetration of moisture through the light-emitting part may be inhibited.

Find Patent Forward Citations

Bang, Seungho. (2026). Electroluminescent display device (U.S. Patent No. 12581808). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12581808

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