Organic electroluminescent device
AssigneeSamsung NEC Mobile Display Co., Ltd.
InventorIl Han Lee
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Abstract
An organic electroluminescent (EL) device and a method of manufacturing the same utilize a cathode, an anode, and organic layers formed between the cathode and the anode, wherein the cathode includes a first cathode containing aluminum, and a second cathode disposed under the first cathode, formed in the vicinity of an organic layer and containing a metal having a work function of 3.5 to 5.0 eV, and metallic carboxylate represented by: Formula 1 RCOOM wherein M is an alkali metal or alkaline-earth metal, and R is a C1-C10 alkyl or C6-C20 aryl.
Claims14
An organic electroluminescent (EL) device having a cathode, an anode, and organic layers formed between the cathode and the anode, wherein the cathode comprises:
- a first cathode containing aluminum;
- and
- a second cathode disposed under the first cathode, formed in a vicinity of one of the organic layers and containing a metal having a work function of 3.5 to 5.0 eV, and metallic carboxylate represented by:
- Formula 1
- RCOOM
- wherein M is an alkali metal or alkaline-earth metal, and R is a C1-C10 alkyl or C6-C20 aryl.
Dependencies are inferred from the claim text.