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:
Jan. 08, 2019
Filed:
Jul. 13, 2016
Sharp Kabushiki Kaisha, Sakai-shi, Osaka, JP;
National University Corporation Nara Institute of Science and Technology, Ikoma-shi, Nara, JP;
Tatsuya Ryohwa, Sakai, JP;
Mami Morishita, Sakai, JP;
Noriyuki Yamazumi, Sakai, JP;
Makoto Izumi, Sakai, JP;
Yasutaka Kuzumoto, Sakai, JP;
Takuya Nakashima, Ikoma, JP;
Tsuyoshi Kawai, Ikoma, JP;
SHARP KABUSHIKI KAISHA, Sakai, JP;
NATIONAL UNIVERSITY CORPORATION NARA INSTITUTE AND TECHNOLOGY, Nara, JP;
Abstract
A light emitting device includes a light source and a wavelength converter that includes a resin including a constitutional unit that includes an ionic liquid or a derivative of the ionic liquid, and a semiconductor nanoparticle phosphor included in the resin and provided on at least a portion of the light source. A wavelength converter includes a resin including a constitutional unit that includes an ionic liquid or a derivative of the ionic liquid, and a semiconductor nanoparticle phosphor included in the resin and emitting fluorescence upon receiving excitation light. A light emitting device includes the wavelength converter and a light source emitting excitation light to the wavelength converter, which is provided separately from the wavelength converter.