Electroluminescent display having increased luminescent area

Details Electroluminescent display having increased luminescent area Electroluminescent display having increased luminescent area

1996-10-30

1999-06-29

O'Shea, Sandra

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

368 67, H01D 6304

Patent

active

059172789

ABSTRACT:
An EL display comprises a transparent substrate and a first electrode layer made of a transparent material disposed on the transparent substrate. A luminescent layer, a first insulation layer and a second electrode layer are disposed successively on a surface of the first electrode layer except for a preselected surface portion thereof defining an exposed portion. A second insulation layer is disposed on a surface of the second electrode layer except for a preselected surface portion thereof defining an exposed portion. A first contact layer is disposed on the exposed portion of the second electrode layer for electrical connection to an external driving control circuit. A second contact layer is disposed on the second insulation layer for electrical connection to the exposed portion of the first electrode layer and to the external driving control circuit.

REFERENCES:
patent: 4775964 (1988-10-01), Alessio et al.
patent: 5265071 (1993-11-01), Thorgersen et al.
patent: 5346718 (1994-09-01), Thorgersen et al.
patent: 5491379 (1996-02-01), Daigle et al.

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