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:
Oct. 05, 2021
Filed:
Nov. 14, 2017
Fujifilm Corporation, Tokyo, JP;
Masashi Ono, Ashigara-kami-gun, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
An object of the present invention is to provide a core shell particle exhibiting high luminous efficacy, a method of producing the core shell particle, and a film containing the core shell particle. The core shell particle of the present invention includes a core which contains a Group III element and a Group V element; a first shell which covers at least a part of a surface of the core; and a second shell which contains a Group II element and covers at least a part of the first shell, in which the molar ratio of the Group II element contained in the entirety of the core shell particle to the Group III element contained in the core, which is acquired using X-ray photoelectron spectroscopy, is 2.7 or greater.