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:
Dec. 31, 2019
Filed:
Mar. 30, 2017
Applicant:
Sharp Kabushiki Kaisha, Sakai, Osaka, JP;
Inventors:
Yuto Tsukamoto, Sakai, JP;
Shinichi Kawato, Sakai, JP;
Manabu Niboshi, Sakai, JP;
Satoshi Inoue, Sakai, JP;
Hiroshi Imada, Sakai, JP;
Tokiyoshi Umeda, Sakai, JP;
Bai Zhang, Sakai, JP;
Tomoaki Jo, Sakai, JP;
Assignee:
SHARP KABUSHIKI KAISHA, Sakai, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H01L 51/00 (2006.01); H01L 27/32 (2006.01); H01L 51/56 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5012 (2013.01); H01L 27/32 (2013.01); H01L 51/0011 (2013.01); H01L 51/5088 (2013.01); H01L 51/5092 (2013.01); H01L 51/56 (2013.01);
Abstract
A hole injection layer provided between a first electrode and each of light emitting layers, and an electron injection layer provided between a second electrode and each of light emitting layers, overlap only inward from an end portions each of the light emitting layers when viewed in plan view.