AC thin film electroluminescent device

Details AC thin film electroluminescent device AC thin film electroluminescent device

1994-08-19

1998-04-21

Fuller, Benjamin R.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

347130, 257 57, B41J 245, B41J 2385, H01L 2904, H01L 31036, H01L 310376, H01L 3120

Patent

active

057423229

ABSTRACT:
A thin film electroluminescent device, comprising a first electrode layer, first and second dielectric layers with an active phosphor layer disposed therebetween, and a second electrode layer, wherein there is provided within the phosphor layer at least one barrier layer comprising a thin layer of dielectric material.
An array of such devices placed side to side is provided with a print head suitable for A4 electrographic printing.

REFERENCES:
patent: 4899184 (1990-02-01), Leksell et al.
patent: 5025321 (1991-06-01), Leksell et al.
patent: 5258690 (1993-11-01), Leksell et al.
patent: 5314759 (1994-05-01), Harkonen et al.
patent: 5384517 (1995-01-01), Uno
patent: 5432015 (1995-07-01), Wu et al.

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