Organic electroluminescence element having two...

Details Organic electroluminescence element having two... Organic electroluminescence element having two...

2005-03-24

2009-08-18

Patel, Nimeshkumar D. (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S505000, C313S504000, C313S503000, C313S483000, C428S690000, C428S917000

Reexamination Certificate

active

07576486

ABSTRACT:
An organic electroluminescent device including a pair of electrodes, and at least two organic emitting layers held between the pair of electrodes, (1) two organic emitting layers being arranged with an electron barrier layer interposed therebetween, (2) the two organic emitting layers both including an electron-transporting emitting material.

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