US Patent 7691495 Organic light-emitting devices
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Patent abstract
Disclosed are electrophosphorescent organic metal complexes with formula (I) or (II), of either geometrical isomers, comprising two bidentate NN-type ligandsor a tetradentate NNNN-type ligand, and a transition metal. These electrophosphorescent materials are valuable to the application in organic light-emitting devices (OLEDs), including red-, orange-, or yellow-light OLEDs.
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US Patent 07691495 Organic light-emitting devices US Patent 7691495 Organic light-emitting devices
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Patent Number
0769149500
Patent Number
769149500
Edits on 26 Mar, 2023
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
076914950
Date of Patent
April 6, 2010
0Patent Application Number
117137550
Date Filed
March 5, 2007
0Official Website
Patent Primary Examiner
Edits on 22 Sep, 2022
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Infobox
Is a
Patent Jurisdiction
Patent Number
076914950
Date of Patent
April 6, 2010
0Patent Application Number
117137550
Date Filed
March 5, 2007
0Official Website
Patent Primary Examiner
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US Patent 07691495 Organic light-emitting devices
Infobox
Is a
Patent jurisdiction
Patent number
07691495
Date of patent
April 6, 2010
Patent application number
11713755
Date Filed
March 5, 2007
Patent primary examiner
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