White light-emitting organic electroluminescent devices

Details White light-emitting organic electroluminescent devices White light-emitting organic electroluminescent devices

1996-01-26

1997-11-04

Nold, Charles

Stock material or miscellaneous articles

Composite

Of inorganic material

428691, 428917, 313503, 313504, H05B 3314

Patent

active

056838239

ABSTRACT:
An electroluminescent device includes an anode, a positive-hole transporting layer made of an organic compound, a fluorescent emitting layer made of an organic compound, a cathode. The fluorescent emitting layer includes a red light emitting material uniformly dispersed in a host emitting material. The host emitting material being adapted to emit in the blue green regions so that the light produced by this device is substantially white.

REFERENCES:
patent: 5150006 (1992-09-01), VanSlyke et al.
patent: 5326692 (1994-07-01), Brinkley et al.
patent: 5405709 (1995-04-01), Littman et al.
patent: B15326692 (1996-04-01), Brinkley et al.

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