Organic EL display device having organic soluble derivative...

Details Organic EL display device having organic soluble derivative... Organic EL display device having organic soluble derivative...

2004-12-15

2008-11-18

Williams, Joseph L. (Department: 2889)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S504000, C313S505000

Reexamination Certificate

active

07453202

ABSTRACT:
An organic EL display device includes first and second electrodes, a light-emitting layer interposed between the first and second electrodes, an organic soluble derivative layer arranged between the first electrode and the light-emitting layer, wherein the organic soluble derivative layer prevents impurities from being diffused to the light-emitting layer, and a small molecular hole transporting layer between the organic soluble derivative layer and the light-emitting layer.

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Office Action issued in Korean Patent Application No. 2001-74703 on Jul. 31, 2004.

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