Light-emitting device using an organic thin-film electroluminesc

Details Light-emitting device using an organic thin-film electroluminesc Light-emitting device using an organic thin-film electroluminesc

1997-11-19

2000-02-22

Tran, Minh Loan

Active solid-state devices (e.g., transistors, solid-state diode

Incoherent light emitter structure

With reflector, opaque mask, or optical element integral...

257 99, 257103, 313504, 313506, H01L 3300

Patent

active

060283270

ABSTRACT:
A light-emitting device using an organic EL element can be used in equipment demanding a small-scale and light-weight configuration. The light-emitting device includes an organic electroluminescent light-emitting element, a secondary battery such as a lithium battery and a shared cathode layer, which functions both as a cathode layer of the organic electroluminescent light-emitting element and as at least one cathode activator layer of the secondary battery. The organic electroluminescent light-emitting element and the secondary battery are provided in a single body manner via the shared cathode layer. The shared cathode layer comprises, for example, a metal having a work function of no greater than 4.3 eV.

REFERENCES:
patent: 5807627 (1998-09-01), Friend et al.

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