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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 12575253 B1

PDFFull Text
Date of Patent:
Mar. 10, 2026

Filed:

Dec. 13, 2021

Organic light-emitting diode and display device using same

Applicant:

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

Inventors:

Wook Song, Paju-si, KR;

Yu Jeong Lee, Paju-si, KR;

Assignee:

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

Attorney:

Morgan, Lewis & Bockius LLP

Primary Examiner:

Dylan C Kershner

Int. Cl.
CPC ...
H10K 50/155 (2023.01); H10K 50/11 (2023.01); H10K 50/13 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 50/17 (2023.01); H10K 59/12 (2023.01); H10K 101/40 (2023.01); H10K 101/60 (2023.01);
U.S. Cl.
CPC ...
H10K 50/155 (2023.02); H10K 50/11 (2023.02); H10K 50/13 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 50/171 (2023.02); H10K 50/17 (2023.02); H10K 59/12 (2023.02); H10K 2101/40 (2023.02); H10K 2101/60 (2023.02);
Abstract

An organic light-emitting diode and a display device using the same are provided. An organic light-emitting diode includes: a hole injection layer, a hole transport layer on the hole injection layer, a first emission layer configured to generate light of a short wavelength in a visible band, the first emission layer being on the hole transport layer, wherein one or more of the hole injection layer and the hole transport layer includes a phosphorescent dopant material at an interface between the hole injection layer and the hole transport layer.

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Song, Wook. (2026). Organic light-emitting diode and display device using same (U.S. Patent No. 12575253). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12575253

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