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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 12419154 B1

PDFFull Text
Date of Patent:
Sep. 16, 2025

Filed:

Aug. 26, 2022

Organic light emitting diode display device including multiple emitting material layer and method of fabricating the same

Applicant:

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

Inventors:

Hyun-Sook Jeon, Paju-si, KR;

Moon-Sung Kil, Paju-si, KR;

Eun-Hyung Lee, Paju-si, KR;

Assignee:

LG Display Co., Ltd, Seoul, KR;

Attorney:

Fish & Richardson P.C.

Primary Examiner:

Michael Lebentritt

Int. Cl.
CPC ...
H10K 50/12 (2023.01); H10K 50/11 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 50/17 (2023.01); H10K 59/35 (2023.01); H10K 71/00 (2023.01); H10K 101/10 (2023.01);
U.S. Cl.
CPC ...
H10K 50/12 (2023.02); H10K 50/11 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 50/17 (2023.02); H10K 59/353 (2023.02); H10K 71/00 (2023.02); H10K 2101/10 (2023.02);
Abstract

An organic light emitting diode display device includes a substrate having a plurality of subpixels; and an emitting material layer in the plurality of subpixels on the substrate, wherein the emitting material layer in at least one of the plurality of subpixels comprises: a first emitting material layer including a first host and a dopant; a second emitting material layer on the first emitting material layer and including a second host and the dopant; and a third emitting material layer on the second emitting material layer and including one of the dopant and the second host.

Find Patent Forward Citations

Jeon, Hyun-Sook. (2025). Organic light emitting diode display device including multiple emitting material layer and method of fabricating the same (U.S. Patent No. 12419154). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12419154

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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