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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 12557523 B1

PDFFull Text
Date of Patent:
Feb. 17, 2026

Filed:

Oct. 24, 2022

Display device and manufacturing method thereof

Applicant:

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

Inventors:

Daeil Kang, Paju-si, KR;

Joungwon Woo, Paju-si, KR;

Gihong Kim, Paju-si, KR;

Jaekyeong Yun, Paju-si, KR;

Samjong Lee, Paju-si, KR;

Dojoong Kim, Paju-si, KR;

Assignee:

LG DISPLAY CO., LTD., Seoul, KR;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Mohammed R Alam

Int. Cl.
CPC ...
H01L 51/52 (2006.01); H10K 50/856 (2023.01); H10K 59/122 (2023.01); H10K 59/80 (2023.01); H10K 71/00 (2023.01); H10K 59/12 (2023.01);
U.S. Cl.
CPC ...
H10K 59/80522 (2023.02); H10K 50/856 (2023.02); H10K 59/122 (2023.02); H10K 71/00 (2023.02); H10K 59/1201 (2023.02);
Abstract

A display device can include a substrate including a light emitting area and an auxiliary electrode contact portion for providing an electrical connection with one or more elements, an auxiliary electrode disposed in the auxiliary electrode contact portion and having an electrode hole, a transparent conductive layer covering the auxiliary electrode and having a concave portion above the electrode hole, at least one bank disposed on the transparent conductive layer and exposing the concave portion and an upper surface of the transparent conductive layer that is adjacent to the concave portion, an organic layer disposed on the at least one bank and the exposed upper surface of the transparent conductive layer, and a cathode electrode disposed on the organic layer and a side surface of the concave portion.

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