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:
Jun. 25, 2024

Filed:

Dec. 30, 2020
Applicant:

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

Inventors:

Jeongwon Lee, Paju-si, KR;

Jaeki Lee, Paju-si, KR;

Seonghyun Kim, Paju-si, KR;

Changyong Gong, Paju-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 50/824 (2023.01); H10K 50/813 (2023.01); H10K 50/822 (2023.01); H10K 71/00 (2023.01);
U.S. Cl.
CPC ...
H10K 50/824 (2023.02); H10K 50/813 (2023.02); H10K 50/822 (2023.02); H10K 71/00 (2023.02);
Abstract

A display panel includes a substrate including an emission area and a non-emission area; an auxiliary electrode placed in the non-emission area, and supplied with power for driving the display panel; a protective layer placed on the auxiliary electrode; a contact hole penetrating through the protective layer, and exposing the auxiliary electrode; a connection electrode placed in such a manner as to be in contact with the auxiliary electrode within the contact hole; an electron auxiliary layer placed on the connection electrode; a cathode electrode placed on the electron auxiliary layer; and a protrusion formed protruding from the connection electrode, wherein the protrusion is formed in such a manner as to form a shade region on the connection electrode, and the cathode electrode is in contact with the connection electrode in the shade region.


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