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:
Jul. 05, 2022
Filed:
Mar. 26, 2018
Sharp Kabushiki Kaisha, Sakai, JP;
Kanako Nakata, Sakai, JP;
Tatsuya Ryohwa, Sakai, JP;
Hiroshi Fukunaga, Sakai, JP;
Makoto Izumi, Sakai, JP;
Youhei Nakanishi, Sakai, JP;
Hisayuki Utsumi, Sakai, JP;
Masayuki Kanehiro, Sakai, JP;
SHARP KABUSHIKI KAISHA, Sakai, JP;
Abstract
A QD particle dispersion contains a surface modification compound that protects a surface of QD phosphor particles dispersed in a solvent. The surface modification compound includes a heteroatom-containing functional group and a chain-type saturated hydrocarbon group. The QD particle dispersion is configured such that the absolute value of a difference between the surface free energy of an underlayer that provides a foundation for forming a QD layer in the light-emitting element and the surface free energy of the QD layer is 5 mN/m or less.