An organic electroluminescent device, a flat panel display, and a portable electronic device using the same are disclosed. The organic electroluminescent device comprises a substrate, a transparent anode disposed on the substrate, a transparent cathode disposed opposite the transparent anode, and an organic light emitting layer interposed between the transparent anode and the transparent cathode. The organic electroluminescent device further comprises a first light transmissive optical compensation layer interposed between the transparent anode and the substrate, wherein the first light transmissive optical compensation layer is substantially made of a transition metal oxide.

 
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< Pentaarylcyclopentadienyl units as active units in resistive memory elements

> N,N'-dicycloalkyl-substituted naphthalene-based tetracarboxylic diimide compounds as n-type semiconductor materials for thin film transistors
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