Organic electro luminescence device having multilayer cathode

Details Organic electro luminescence device having multilayer cathode Organic electro luminescence device having multilayer cathode

2006-03-14

2006-03-14

Guharay, Karabi (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S504000, C313S512000, C428S690000, C428S691000

Reexamination Certificate

active

07012368

ABSTRACT:
There is provided an organic electro luminescence device which includes at least one thin organic layer between an anode substrate and a cathode. The cathode includes first to fourth electrodes stacked on the thin organic layer. The first and third electrodes are formed of alkali metal or alkali earth metal, and the second and fourth electrodes are formed of aluminum (Al) or silver (Ag).

REFERENCES:
patent: 5652067 (1997-07-01), Ito et al.
patent: 5702565 (1997-12-01), Wu et al.
patent: 5731661 (1998-03-01), So et al.
patent: 6255774 (2001-07-01), Pichler
patent: 6707248 (2004-03-01), Burroughes et al.
patent: 2003/0224204 (2003-12-01), Raychaudhuri et al.

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