Electrostatic display device

Details Electrostatic display device Electrostatic display device

1990-07-16

1991-04-02

Lazarus, Ira S.

Illumination

Light source or light source support and luminescent material

362260, 362806, F21S 300

Patent

active

050051105

ABSTRACT:
An electrostatic display device having a plurality of particles moving back and forth in a chamber illuminated by light. The chamber has oppositely charged top and bottom plates whereby the particles are alternately electrostatically attracted to and repelled from the plates while illuminated by the light, thus creating a constantly moving decorative light display.

REFERENCES:
patent: 3531635 (1970-09-01), Hancock
patent: 4072855 (1978-02-01), Marchese
patent: 4170035 (1979-10-01), Walker
patent: 4942504 (1990-07-01), Brotz

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