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. 01, 2022
Filed:
Feb. 26, 2021
Applicant:
Chi Mei Corporation, Tainan, TW;
Inventor:
Keng-Chu Lin, Tainan, TW;
Assignee:
Chi Mei Corporation, Tainan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/16 (2006.01); B82Y 20/00 (2011.01); C09K 11/88 (2006.01); H01L 33/50 (2010.01); B82B 3/00 (2006.01); B82Y 40/00 (2011.01);
U.S. Cl.
CPC ...
C09K 11/883 (2013.01); B82B 3/0009 (2013.01); B82B 3/009 (2013.01); B82B 3/0033 (2013.01); B82B 3/0038 (2013.01); H01L 33/502 (2013.01); H01L 33/507 (2013.01); B82Y 20/00 (2013.01); B82Y 40/00 (2013.01); H01L 2933/0041 (2013.01);
Abstract
A quantum dot, a light emitting material, and a manufacturing method of quantum dot are provided. A ratio of an emission intensity to an absorption intensity of the quantum dot at a characteristic wavelength ranges from 1.5×10CPS/Abs. to 2.0×10CPS/Abs. The characteristic wavelength is a shorter wavelength of two wavelengths corresponding to half of a maximum intensity of an emission peak of the quantum dot.