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:
Feb. 03, 2026

Filed:

Nov. 29, 2021
Applicant:

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

Inventors:

Jin-Hwan Park, Paju-si, KR;

Min-Gyu Lee, Paju-si, KR;

Jung-Shik Lim, Paju-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H10K 50/13 (2023.01); H10K 50/11 (2023.01); H10K 50/12 (2023.01); H10K 50/19 (2023.01); H10K 59/32 (2023.01); H10K 101/10 (2023.01);
U.S. Cl.
CPC ...
H10K 50/13 (2023.02); H10K 50/11 (2023.02); H10K 50/12 (2023.02); H10K 50/19 (2023.02); H10K 59/32 (2023.02); H10K 2101/10 (2023.02);
Abstract

An organic light-emitting diode display device includes a first electrode, a first stack emitting blue light, a first charge generation layer on the first stack; a second stack emitting yellow-green light, a second charge generation layer on the second stack, a third stack emitting blue light, and a second electrode on the third stack, wherein at least one of the first stack and the third stack further emits red light, wherein the at least one of the first stack and the third stack includes a first red emitting material layer and a blue emitting material layer, and wherein each of the first red emitting material layer and the blue emitting material layer includes a host and a dopant, and a Tenergy of the host of the blue emitting material layer is greater than a Tenergy of the dopant of the first red emitting material layer.


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