logo

For the Inventor, By the Inventor

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 11895855 B1

PDFFull Text
Date of Patent:
Feb. 06, 2024

Filed:

Aug. 27, 2020

Light-emitting device

Applicant:

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

Inventor:

YongChurl Kim, Seoul, KR;

Assignee:

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

Attorney:

CANTOR COLBURN LLP

Primary Examiner:

Sheikh Maruf

Int. Cl.
CPC ...
H01L 29/78 (2006.01); H10K 50/11 (2023.01); C07F 7/24 (2006.01); C09K 11/06 (2006.01); H10K 50/13 (2023.01); H10K 85/30 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 101/40 (2023.01);
U.S. Cl.
CPC ...
H10K 50/11 (2023.02); C07F 7/24 (2013.01); C09K 11/06 (2013.01); H10K 50/131 (2023.02); H10K 85/30 (2023.02); C09K 2211/10 (2013.01); C09K 2211/188 (2013.01); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 2101/40 (2023.02);
Abstract

A light-emitting device comprising: a first electrode, a second electrode facing the first electrode; an emission layer disposed between the first electrode and the second electrode; and a first charge transport layer disposed between the first electrode and the emission layer, wherein a band gap energy of the emission layer and a band gap energy of the first charge transport layer are different from each other, the emission layer comprises a first perovskite compound, and the first charge transport layer consists of a second perovskite compound.

Find Patent Forward Citations

Kim, YongChurl. (2024). Light-emitting device (U.S. Patent No. 11895855). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11895855

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

Loading…