Display device with variable color background

Details Display device with variable color background Display device with variable color background

1986-07-07

1988-03-29

Moore, David K.

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

313498, 313499, 313513, 313116, 340701, 340703, 340762, 340782, 3408151, 3151693, G09G 314, G09G 304, G08B 536

Patent

active

047346191

ABSTRACT:
A variable color display device includes a plurality of variable color display areas arranged in a pattern and substantially surrounded by a variable color background area. The color of the background area is controlled to be substantially complementary to the color of the display areas to make the exhibited character clearly stand out against its background.

REFERENCES:
patent: 3595991 (1971-07-01), Diller
patent: 3911418 (1975-10-01), Takeda
patent: 4086514 (1978-04-01), Havel
patent: 4271408 (1981-06-01), Teshima et al.
patent: 4301450 (1981-11-01), Smoliar
patent: 4488149 (1984-12-01), Givens, Jr.
patent: 4581612 (1986-04-01), Jones

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