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:
Nov. 15, 2022
Filed:
Dec. 19, 2018
Applicant:
Shoei Chemical Inc., Tokyo, JP;
Inventors:
Takafumi Moriyama, Tokyo, JP;
Ryosuke Motoyoshi, Tokyo, JP;
Assignee:
SHOEI CHEMICAL INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/88 (2006.01); C01B 19/00 (2006.01); C09K 11/08 (2006.01); C09K 11/70 (2006.01); B82Y 20/00 (2011.01); B82Y 40/00 (2011.01);
U.S. Cl.
CPC ...
C09K 11/883 (2013.01); C01B 19/002 (2013.01); C09K 11/0883 (2013.01); C09K 11/703 (2013.01); B82Y 20/00 (2013.01); B82Y 40/00 (2013.01); C01P 2004/64 (2013.01); C01P 2004/80 (2013.01);
Abstract
An object of the present invention is to provide semiconductor nanoparticles having high quantum efficiency (QY) and a narrow full width at half maximum (FWHM). Semiconductor nanoparticles according to an embodiment of the present invention are semiconductor nanoparticles including at least, In, P, Zn and S, wherein the semiconductor nanoparticles include the components other than In in the following ranges: 0.50 to 0.95 for P, 0.30 to 1.00 for Zn, 0.10 to 0.50 for S, and 0 to 0.30 for halogen, in terms of molar ratio with respect to In.