Electroluminescent display screen with a memory and a particular

Details Electroluminescent display screen with a memory and a particular Electroluminescent display screen with a memory and a particular

1990-04-11

1991-10-01

Moore, David K.

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

313506, 313509, 3151693, H05B 3322

Patent

active

050536753

ABSTRACT:
Electroluminescent display screen with a memory and a particular configuration of electrodes. The display screen comprises on a nonconducting substrate a stacked electroluminescent film and a photoconductive film, both of these films being inserted between lower transparent electrodes (12) orientated along a first direction (x) and upper electrodes (22) orientated along a second direction (y) perpendicular to the first direction, the upper and lower electrodes defining at their intersection picture elements (26), the upper electrodes (22) comprising blocks (40) of dimension D along the first direction at the display points electrically interconnected by two access strips (42a, 42b) with a width d with d<D/2, the access strips at a given block being connected by a conductive access bridge (46) parallel to the lower electrodes, the edges of these blocks (40) being situated inside the edges of the lower electrodes.

REFERENCES:
patent: 3786307 (1974-01-01), Robinson
patent: 4602189 (1986-07-01), Panickes
patent: 4614668 (1986-09-01), Topp et al.
patent: 4808880 (1989-02-01), Thioulouse
patent: 4877995 (1989-10-01), Thioulouse
patent: 4924144 (1990-05-01), Menn et al.
Ionel Solomon & Pascal Thioulouse; "Electroluminescent Memory Display Using Amorphous Silicon-Carbon Alloys"; Oct. 3, 1989, pp. 295-302.

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