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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 11778844 B1

PDFFull Text
Date of Patent:
Oct. 03, 2023

Filed:

Jun. 15, 2020

Light emitting element and display panel including the same

Applicant:

Samsung Display Co., Ltd., Yongin-si, KR;

Inventors:

Sungwook Kim, Hwaseong-si, KR;

Kyungsik Kim, Suwon-si, KR;

SeulOng Kim, Hwaseong-si, KR;

Tsuyoshi Naijo, Suwon-si, KR;

Sung-Soo Bae, Seoul, KR;

Dongchan Lee, Sejong-si, KR;

Hyein Jeong, Suwon-si, KR;

Hyewon Choi, Suwon-si, KR;

Seung-Jin Chu, Gwangmyeong-si, KR;

Jaeweon Hur, Seoul, KR;

Assignee:

Samsung Display Co., Ltd., Yongin-si, KR;

Attorney:

Lewis Roca Rothgerber Christie LLP

Primary Examiner:

Omar F Mojaddedi

Int. Cl.
CPC ...
H01L 27/32 (2006.01); H01L 27/15 (2006.01); H01L 33/08 (2010.01); H01L 33/14 (2010.01); H01L 33/26 (2010.01); H01L 33/50 (2010.01); H01L 33/36 (2010.01); H10K 50/12 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01);
U.S. Cl.
CPC ...
H10K 50/12 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02);
Abstract

A light emitting element includes: a first electrode, a second electrode facing the first electrode, a first light emitting layer between the first electrode and the second electrode to emit a first light, a second light emitting layer between the first light emitting layer and the second electrode to emit a second light, and an intermediate layer including a host material between the first light emitting layer and the second light emitting layer and, wherein the intermediate layer has a thickness of from about 90 nm to 170 nm.

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