Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jae-Hyun Kwak0
Min-Seung Chun0
Mi-Kyung Kim0
Dong-Hun Kim0
Jung-Ha Son0
Date of Patent
May 31, 2011
Patent Application Number
12175829
Date Filed
July 18, 2008
Patent Primary Examiner
Patent abstract
An organic light-emitting device includes a substrate; a first electrode; a second electrode facing the first electrode; an organic layer disposed on the first electrode; and an emitting layer interposed between the organic layer and the second electrode. The concentration of inorganic impurities within the organic layer is 1000 ppb or less. The organic light-emitting device has high light-emitting efficiency, low driving voltage, high brightness, and long life span.
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