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:
Sep. 03, 2019
Filed:
Feb. 09, 2017
Applicant:
Sharp Kabushiki Kaisha, Sakai, Osaka, JP;
Inventors:
Asae Ito, Sakai, JP;
Yuto Tsukamoto, Sakai, JP;
Manabu Niboshi, Sakai, JP;
Eiji Koike, Sakai, JP;
Shinichi Kawato, Sakai, JP;
Katsuhiro Kikuchi, Sakai, JP;
Assignee:
SHARP KABUSHIKI KAISHA, Sakai, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H01L 51/52 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5028 (2013.01); H01L 51/5016 (2013.01); H01L 51/5036 (2013.01); H01L 51/5056 (2013.01); H01L 51/5072 (2013.01); H01L 51/5206 (2013.01); H01L 51/5221 (2013.01); H01L 2251/533 (2013.01); H01L 2251/5315 (2013.01); H01L 2251/5376 (2013.01); H01L 2251/558 (2013.01);
Abstract
An organic EL element is provided that has a high light emission efficiency and that emits a plurality of light beams having respective wavelength ranges different from one another, the light beams including short wavelength light having a high chromaticity. An organic EL element () includes an exciton generating layer () and a guest layer () that are adjacent to each other.