US Patent 7605277 Aminodibenzodioxin derivative and organic electroluminescent using the same
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Patent abstract
This invention relates to a highly reliable material for an organic electroluminescent element exhibiting high luminance, high luminous efficiency, little deterioration in emission, and suitability for use and storage at high temperatures and to an organic electroluminescent element using said material. The material is a diaminodibenzodioxin derivative represented by general formula (1)
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US Patent 07605277 Aminodibenzodioxin derivative and organic electroluminescent using the same US Patent 7605277 Aminodibenzodioxin derivative and organic electroluminescent using the same
Infobox
Patent Number
0760527700
Patent Number
760527700
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Infobox
Is a
Patent Jurisdiction
Patent Number
076052770
Date of Patent
October 20, 2009
0Patent Application Number
105883730
Date Filed
January 27, 2005
0Official Website
Patent Primary Examiner
Edits on 28 Sep, 2022
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Infobox
Is a
Patent Jurisdiction
Patent Number
076052770
Date of Patent
October 20, 2009
0Patent Application Number
105883730
Date Filed
January 27, 2005
0Official Website
Patent Primary Examiner
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US Patent 07605277 Aminodibenzodioxin derivative and organic electroluminescent using the same
Infobox
Is a
Patent jurisdiction
Patent number
07605277
Date of patent
October 20, 2009
Patent application number
10588373
Date Filed
January 27, 2005
Patent primary examiner
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