Process for fabricating an electroluminescent device

Details Process for fabricating an electroluminescent device Process for fabricating an electroluminescent device

1997-09-30

1999-11-23

McPherson, John A.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making electrical device

430313, 430319, 430321, G03F 700, H05B 3310

Patent

active

059897856

ABSTRACT:
In an electroluminescent device comprising an insulating substrate having consecutively thereon a first electrode, a first insulating layer, a luminescent layer composed of two types or more luminescent portions differing in luminescent color which are provided in a flat panel arrangement to give a single-layered luminescent layer, a second insulating layer and a second electrode, a first dielectric film is disposed between the luminescent portions to provide an isolation layer for isolating the luminescent portions, and a second dielectric film for adjusting the luminescence threshold voltage is disposed on the light outcoupling side or on the side opposite thereto of one of said luminescent portions. Herein, the first and second dielectric films provided for isolating the luminescent portions and for adjusting the luminescence threshold voltage, respectively, are made of the same material and have a refractive index lower than that of both luminescent portions.

REFERENCES:
patent: 4728519 (1988-03-01), Tanimoto
patent: 4924144 (1990-05-01), Menn et al.
patent: 5164799 (1992-11-01), Uno
patent: 5346776 (1994-09-01), Taniguchi et al.
patent: 5539424 (1996-07-01), Hattori et al.

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