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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 12108619 B1

PDFFull Text
Date of Patent:
Oct. 01, 2024

Filed:

Oct. 26, 2021

Light emitting display panel and light emitting display apparatus including the same

Applicant:

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

Inventors:

Seungkyeom Kim, Paju-si, KR;

Jongsung Kim, Paju-si, KR;

Hyesook Kim, Paju-si, KR;

Assignee:

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

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Evan G Clinton

Int. Cl.
CPC ...
H10K 59/122 (2023.01); H10K 50/822 (2023.01); H10K 59/123 (2023.01); H10K 59/124 (2023.01); H10K 59/131 (2023.01); H10K 71/00 (2023.01); H10K 59/12 (2023.01);
U.S. Cl.
CPC ...
H10K 50/822 (2023.02); H10K 59/122 (2023.02); H10K 59/123 (2023.02); H10K 59/124 (2023.02); H10K 59/131 (2023.02); H10K 71/00 (2023.02); H10K 59/1201 (2023.02);
Abstract

A light emitting display panel can include a first pixel and a second pixel disposed adjacent to each other on a planarization layer; an anode disposed in each of the first and second pixels; a light emitting layer disposed in each the first and second pixels; a main cathode disposed in each of the first and second pixels; a boundary groove in the planarization layer in an area between the first and second pixels; a boundary region cathode disposed in the boundary groove, in which the boundary region cathode and the main cathode are spaced apart from each other in the boundary groove, and the boundary region cathode and the main cathode are electrically connected to each other in a region outside of the boundary groove.

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