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. 13, 2024
Filed:
Oct. 06, 2020
Samsung Electronics Co., Ltd., Suwon-si, KR;
Yuho Won, Seoul, KR;
Jeong Hee Lee, Seongnam-si, KR;
Eun Joo Jang, Suwon-si, KR;
Ha Il Kwon, Suwon-si, KR;
Sujin Park, Seoul, KR;
SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-do, KR;
Abstract
A quantum dot including a semiconductor nanocrystal core including indium (In) and phosphorus (P) and a semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the semiconductor nanocrystal shell including zinc (Zn) and selenium (Se), wherein the semiconductor nanocrystal shell is doped with a dopant metal having a larger ion radius than a radius of an Znion, the quantum dot does not include cadmium, and the quantum dot has a quantum efficiency of greater than or equal to about 70% and a full width at half maximum (FWHM) of an emission peak of less than or equal to about 40 nanometers (nm), and an electroluminescent device including the same.