Is a
Patent attributes
Patent Applicant
0
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hideki Kobayashi0
Toshiaki Imai0
Jiro Yamada0
Emiko Kambe0
Date of Patent
November 30, 2021
0Patent Application Number
155290090
Date Filed
October 28, 2015
0Patent Primary Examiner
Patent abstract
An organic EL device of the disclosure includes: a first electrode and a second electrode; and an organic layer provided between the first electrode and the second electrode. The organic layer includes a light-emitting layer. The organic layer includes, between the first electrode and the light-emitting layer, a first layer that contains a polycyclic aromatic hydrocarbon compound having orientation, and a second layer that contains a larger amount of nitrogen element than the first layer.
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