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.:
Date of Patent:
Aug. 01, 2023
Filed:
Dec. 22, 2021
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Inventors:
Yuho Won, Seoul, KR;
Hwea Yoon Kim, Gwacheon-si, KR;
Jeong Hee Lee, Seongnam-si, KR;
Eun Joo Jang, Suwon-si, KR;
Hyo Sook Jang, Suwon-si, KR;
Assignee:
SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/88 (2006.01); C09K 11/02 (2006.01); C01G 9/00 (2006.01); H01L 33/50 (2010.01); B82Y 20/00 (2011.01); B82Y 40/00 (2011.01); H10K 50/115 (2023.01); H10K 102/00 (2023.01);
U.S. Cl.
CPC ...
C09K 11/883 (2013.01); C01G 9/006 (2013.01); C09K 11/025 (2013.01); H01L 33/50 (2013.01); B82Y 20/00 (2013.01); B82Y 40/00 (2013.01); C01P 2004/04 (2013.01); C01P 2004/64 (2013.01); C01P 2006/60 (2013.01); H10K 50/115 (2023.02); H10K 2102/00 (2023.02);
Abstract
A quantum dot including zinc, tellurium, selenium, and sulfur, wherein the quantum dot comprises a core and a shell disposed on the core, and wherein the quantum dot is a cadmium-free red light-emitting quantum dot and has an emission peak wavelength of greater than or equal to about 600 nanometers (nm), and efficiency of greater than or equal to about 50%.