Display unit

Details Display unit Display unit

1989-01-04

1991-05-14

Brier, Jeffery A.

Communications: electrical

Land vehicle alarms or indicators

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

340760, 340766, G09G 322

Patent

active

050159992

ABSTRACT:
A display unit for displaying two-dimensional images and pictures comprises a fluorescent layer which fluoresces when irradiated with ultraviolet light and an electric-field ultraviolet light generating device provided behind the fluorescent layer for selective irradiation of the fluorescent layer. The fluorescent layer comprises different types of fluorescent material which emit different colors. The electric-field ultraviolet light generating device comprises a positive electrode layer, a positive hole injection layer, a light emission layer, and a negative electrode layer, respectively.

REFERENCES:
patent: 4162427 (1979-07-01), Kamegaya et al.
patent: 4668049 (1987-05-01), Canter et al.
patent: 4678285 (1987-07-01), Ohta et al.
patent: 4720432 (1988-01-01), VanSlyke et al.

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