Electrophoretic switch for a light pipe

Details Electrophoretic switch for a light pipe Electrophoretic switch for a light pipe

1992-11-23

1994-05-31

Lee, John D.

Optical waveguides

Miscellaneous

385123, 385127, 359296, G02B 622

Patent

active

053176677

ABSTRACT:
An electrophoretic light switch is provided for controlling light in a light pipe having a transparent inner conductor, an outer conductor and a solution containing charged particles. Light is absorbed by the solution when the particles are attracted to the inner conductor causing the light intensity in the light pipe to be reduced.

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