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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 11871594 B1

PDFFull Text
Date of Patent:
Jan. 09, 2024

Filed:

Oct. 19, 2022

Electroluminescent device, and display device comprising thereof

Applicant:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Inventors:

Sung woo Kim, Hwaseong-si, KR;

Moon Gyu Han, Suwon-si, KR;

Eun joo Jang, Suwon-si, KR;

Kun su Park, Seongnam-si, KR;

Assignee:

SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do, KR;

Attorney:

CANTOR COLBURN LLP

Primary Examiner:

Anthony Ho

Int. Cl.
CPC ...
H01L 51/50 (2006.01); H10K 50/165 (2023.01); C09K 11/88 (2006.01); H10K 50/15 (2023.01); H10K 50/17 (2023.01); H10K 50/18 (2023.01); H10K 50/115 (2023.01); H10K 50/16 (2023.01); H10K 85/60 (2023.01); G09G 3/32 (2016.01); H10K 101/30 (2023.01); H10K 102/00 (2023.01);
U.S. Cl.
CPC ...
H10K 50/165 (2023.02); C09K 11/88 (2013.01); H10K 50/115 (2023.02); H10K 50/15 (2023.02); H10K 50/166 (2023.02); H10K 50/17 (2023.02); H10K 50/171 (2023.02); H10K 50/18 (2023.02); H10K 85/60 (2023.02); G09G 3/32 (2013.01); G09G 2310/0267 (2013.01); G09G 2310/0272 (2013.01); H10K 2101/30 (2023.02); H10K 2102/331 (2023.02);
Abstract

An electroluminescent device and a display device including the electroluminescent device. The electroluminescent device includes a first electrode and a second electrode each having a surface opposite the other; a light emitting layer disposed between the first electrode and the second electrode, the light emitting layer including quantum dots; and an electron transport layer disposed between the light emitting layer and the second electrode, the electron transport layer including inorganic material nanoparticles including an anion dopant including P, N, C, Cl, F, Br, S, or a combination thereof.

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