Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hajime Nakanotani0
Chihaya Adachi0
Takahiro Higuchi0
Date of Patent
May 14, 2019
Patent Application Number
15523569
Date Filed
October 30, 2015
Patent Citations Received
Patent Primary Examiner
Patent abstract
An organic light-emitting device having a layer 10 containing a delayed blue fluorescent material, a layer 11 containing separately or together a green fluorescent material and a red fluorescent material, and a spacer layer 12 arranged between the layer 10 and the layer 11 can efficiently emit white color.
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