Variable color display device

Details Variable color display device Variable color display device

1976-09-23

1978-04-25

LaRoche, Eugene R.

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

313510, 340324M, 358 59, G08B 536, H01L 3300

Patent

active

040865142

ABSTRACT:
A variable color display device comprising a plurality of display areas arranged in a pattern. Each display area includes a plurality of light emitting areas for emitting light signals of respectively different colors. Each light emitting area has a plurality of branches projecting thereof and interleaved with like branches of the other light emitting areas. The light signals of different colors emitted therefrom are substantially superimposed upon one another to mix the colors without the need for an optical coupling element.

REFERENCES:
patent: 3238654 (1966-03-01), Rosenak et al.
patent: 3942065 (1976-03-01), Russ
patent: 3947840 (1976-03-01), Craford et al.
patent: 4012243 (1977-03-01), Keil et al.

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