US Patent 11189809 Organic EL device and display unit
Patent 11189809 was granted and assigned to Sony on November, 2021 by the United States Patent and Trademark Office.
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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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Patent Inventor Names
Emiko Kambe0
Hideki Kobayashi0
Jiro Yamada0
Toshiaki Imai0
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Official Website
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Patent Applicant
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Current Assignee
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Patent Jurisdiction
Patent Number
111898090
Date of Patent
November 30, 2021
0Patent Application Number
155290090
Date Filed
October 28, 2015
0Official Website
Patent Primary Examiner
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US Patent 11189809 Organic EL device and display unit
Infobox
Is a
Patent applicant
Current assignee
Patent jurisdiction
Patent number
11189809
Date of patent
November 30, 2021
Patent application number
15529009
Date Filed
October 28, 2015
Patent primary examiner
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