Fail transparent electro-luminescent display with backup

Details Fail transparent electro-luminescent display with backup Fail transparent electro-luminescent display with backup

1983-05-16

1986-02-04

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340784, 340781, G09G 336

Patent

active

045689288

ABSTRACT:
This display system comprises, front to rear, an electro-luminescent information bearing display element which is substantially transparent when not energized, a background element which is dark (opaque) when it is energized and substantially transparent when not energized, and a backup display means which is visible when the two front elements are not energized.

REFERENCES:
patent: 4134104 (1979-01-01), Karras
patent: 4238791 (1980-12-01), Hochstrate
patent: 4371870 (1983-02-01), Biferno
patent: 4499451 (1985-02-01), Suzuki et al.

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