US Patent 7811680 Organic EL device and method of manufacturing the same
Patent 7811680 was granted and assigned to Samsung on October, 2010 by the United States Patent and Trademark Office.
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Patent abstract
An organic electroluminescent device is disclosed that includes an emission layer between a first electrode and a second electrode, and a buffer layer between the emission layer and the first electrode. The buffer layer includes a carbon-based compound and may be about 0.1 nm to about 100 nm thick. The organic electroluminescent device has greater driving voltage, better efficiency, and a longer life expectancy.
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US Patent 07811680 Organic EL device and method of manufacturing the same US Patent 7811680 Organic EL device and method of manufacturing the same
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Patent Number
0781168000
Patent Number
781168000
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
078116800
Date of Patent
October 12, 2010
0Patent Application Number
112463080
Date Filed
October 11, 2005
0Official Website
Patent Primary Examiner
Edits on 24 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
078116800
Date of Patent
October 12, 2010
0Patent Application Number
112463080
Date Filed
October 11, 2005
0Official Website
Patent Primary Examiner
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US Patent 07811680 Organic EL device and method of manufacturing the same
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07811680
Date of patent
October 12, 2010
Patent application number
11246308
Date Filed
October 11, 2005
Patent primary examiner
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