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:
Aug. 27, 2019
Filed:
Nov. 22, 2017
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Itaru Takaya, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H01L 51/52 (2006.01); H01L 27/32 (2006.01); H05B 33/08 (2006.01); G02B 5/20 (2006.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5036 (2013.01); H01L 27/322 (2013.01); H01L 27/3244 (2013.01); H01L 51/504 (2013.01); H01L 51/5206 (2013.01); H01L 51/5221 (2013.01); H01L 51/5265 (2013.01); G02B 5/201 (2013.01); H01L 27/3211 (2013.01); H01L 51/006 (2013.01); H01L 51/0054 (2013.01); H01L 51/0058 (2013.01); H01L 51/0072 (2013.01); H01L 51/5004 (2013.01); H01L 51/5092 (2013.01); H01L 2251/5315 (2013.01); H01L 2251/5392 (2013.01); H01L 2251/552 (2013.01); H01L 2251/558 (2013.01); H05B 33/0896 (2013.01);
Abstract
An organic EL device includes a substrate, a reflection electrode, an organic compound layer and a light extraction electrode in this order. The organic compound layer includes a first light-emitting layer which is electron trapping type light-emitting layer and a second light-emitting layer disposed between the reflection electrode and the first light-emitting layer. An optical distance between the reflection electrode and the first light-emitting layer is a distance of constructive interference for the light of the first light-emitting layer.