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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 12256636 B1

PDFFull Text
Date of Patent:
Mar. 18, 2025

Filed:

Dec. 07, 2021

Light-emitting device and electronic apparatus including same

Applicant:

Samsung Display Co., Ltd., Gyeonggi-do, KR;

Inventors:

Heechang Yoon, Yongin-si, KR;

Dongchan Kim, Yongin-si, KR;

Yoonseok Ka, Yongin-si, KR;

Jiyoung Moon, Yongin-si, KR;

Haemyeong Lee, Yongin-si, KR;

Yoonhyeung Cho, Yongin-si, KR;

Assignee:

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

Attorney:

Womble Bond Dickinson (US) LLP

Primary Examiner:

Moazzam Hossain

Int. Cl.
CPC ...
H10K 85/60 (2023.01); H10K 10/46 (2023.01); H10K 30/80 (2023.01); H10K 30/81 (2023.01); H10K 50/155 (2023.01); H10K 50/17 (2023.01); H10K 50/81 (2023.01); H10K 50/82 (2023.01);
U.S. Cl.
CPC ...
H10K 85/6572 (2023.02); H10K 10/46 (2023.02); H10K 30/81 (2023.02); H10K 85/622 (2023.02); H10K 85/626 (2023.02); H10K 85/633 (2023.02); H10K 85/636 (2023.02); H10K 85/654 (2023.02); H10K 30/865 (2023.02); H10K 50/155 (2023.02); H10K 50/17 (2023.02); H10K 50/81 (2023.02); H10K 50/82 (2023.02);
Abstract

A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode and including a first layer, wherein the first electrode has a work function value of about −5.5 eV to about −6.1 eV, and the interlayer includes a second layer doped with a non-lead-based perovskite compound.

Find Patent Forward Citations

Yoon, Heechang. (2025). Light-emitting device and electronic apparatus including same (U.S. Patent No. 12256636). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12256636

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

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