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:
Jun. 28, 2016
Filed:
Jul. 26, 2013
Applicant:
Konica Minolta, Inc., Tokyo, JP;
Inventor:
Tomoyuki Nakayama, Tokyo, JP;
Assignee:
Konica Minolta, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 23/58 (2006.01); H01L 51/50 (2006.01); H01L 51/52 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5044 (2013.01); H01L 51/5278 (2013.01);
Abstract
An organic electroluminescence element includes at least one intermediate metal layer and at least two light emitting units between an anode and a cathode. The intermediate metal layer is located between the two light emitting units. Further, the intermediate metal layer is made of a metal with a work function of 3.0 eV or lower, and has a thickness of 0.6 to 5 nm.