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:
Aug. 25, 2026

Filed:

Dec. 08, 2022
Applicant:

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

Inventors:

Nack Youn Jung, Paju-si, KR;

Hong-Seok Choi, Paju-si, KR;

Eun-Jung Park, Paju-si, KR;

Min Soo Kang, Paju-si, KR;

Jang Dae Youn, Paju-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H10K 59/35 (2023.01); H10K 50/13 (2023.01); H10K 59/38 (2023.01);
U.S. Cl.
CPC ...
H10K 59/351 (2023.02); H10K 50/13 (2023.02); H10K 59/353 (2023.02); H10K 59/38 (2023.02);
Abstract

Disclosed is a light emitting display device including a substrate having first to fourth subpixels, first to fourth anodes provided respectively on the first to fourth subpixels, an emission unit provided on the first to fourth anodes, the emission unit including two or more blue stacks and a phosphorescent stack including at least a yellowish green emission layer and a green emission layer, a cathode provided on the emission unit, a red filter and a color conversion layer provided between the substrate and the first anode, a green filter provided between the substrate and the second anode, and a blue filter provided between the substrate and the third anode, wherein the first anode has a first thickness, and at least one of the second to fourth anodes has a second thickness greater than the thickness of the first anode.


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