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:
May. 12, 2026
Filed:
May. 13, 2022
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Inventors:
Daeyong Son, Cheonan-si, KR;
Yongchul Kim, Seoul, KR;
Assignee:
SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); C09K 11/06 (2006.01); C09K 11/66 (2006.01); H10K 50/115 (2023.01); H10K 71/40 (2023.01);
U.S. Cl.
CPC ...
C09K 11/66 (2013.01); C09K 11/06 (2013.01); H10K 50/115 (2023.02); H10K 71/441 (2023.02);
Abstract
A light-emitting material, including: a quantum dot represented by Formula 1; and Pb(SCN), wherein a surface of the quantum dot is passivated by the Pb(SCN), and wherein the light-emitting material has a stretching vibrational peak corresponding to a carbon-nitrogen triple bond in a range of about 2000 inverse centimeter to about 2100 inverse centimeter, as measured by infrared (IR) spectroscopy:ABX Formula 1wherein, in Formula 1, Ais at least one of a monovalent organic cation or a monovalent inorganic cation, Bis Sn or Pb, and Xis at least one halogen.