Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chao-Chin Sung0
Date of Patent
November 28, 2006
0Patent Application Number
108420390
Date Filed
May 7, 2004
0Patent Primary Examiner
0
Patent abstract
An organic light-emitting device includes a substrate, an anode disposed over the substrate, at least one organic light-emitting layer disposed over the anode, a buffer layer disposed over the organic light emitting layer, and a cathode disposed over the buffer layer. The cathode layer includes a first cathode layer, a second cathode layer, and a third cathode layer. The first cathode layer includes conductive material. The second cathode layer includes electron transport material. The third cathode layer includes conductive material.
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