Electric lamp and discharge devices – With luminescent solid or liquid material – Solid-state type
Patent
1998-02-20
1999-12-28
Patel, Nimeshkumar D.
Electric lamp and discharge devices
With luminescent solid or liquid material
Solid-state type
313509, 313498, 313500, 313505, H05B 3314
Patent
active
060085789
ABSTRACT:
The present invention discloses a full-color organic electroluminescent device using an organic electroluminescent element capable of emitting of ultra-violet light with wave length 380.about.400 nm as a basic element, coated with a layer of different fluorescent media (wave length converting layer) on its surface. By way of this ultra-violet light organic electroluminescent element, ultra-violet light is produced, which in turn excites the fluorescent layer to emit fluorescent lights with different colors according to the fluorescent media used, i.e. the red fluorescent medium emits red light, and the green fluorescent medium emits green light. R, G, B three color fluorescent media emit white light. By applying this principle, a high brilliance, low current and low energy consuming full-color display device may be fabricated.
REFERENCES:
patent: 4682075 (1987-07-01), Nelson et al.
patent: 5015999 (1991-05-01), Imai et al.
patent: 5294870 (1994-03-01), Tang et al.
patent: 5589732 (1996-12-01), Okibayashi et al.
patent: 5606225 (1997-02-01), Levine et al.
Patel Nimeshkumar D.
Williams Joseph
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