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. 02, 2018
Filed:
Sep. 06, 2013
Applicant:
Nitto Denko Corporation, Osaka, JP;
Inventor:
Qianxi Lai, Carlsbad, CA (US);
Assignee:
Nitto Denko Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5016 (2013.01); H01L 51/504 (2013.01); H01L 2251/5376 (2013.01);
Abstract
An emissive construct comprising a fluorescent layer comprising a fluorescent host and a fluorescent dopant, wherein the fluorescent layer has a higher electron mobility than hole mobility; a first phosphorescent layer, comprising a first phosphorescent host and a first phosphorescent dopant, wherein the phosphorescent layer has a higher electron mobility than hole mobility; and an exciton blocking layer disposed between the fluorescent layer and the phosphorescent layer.