Refractive index switchable display cell

Details Refractive index switchable display cell Refractive index switchable display cell

1981-04-15

1983-10-25

Corbin, John K.

350330, 350331R, 350390, G02F 1133, G02F 107, G02F 1135, G02F 1137

Patent

active

044114958

ABSTRACT:
A display cell having at least two states of different opacity, comprises a first material having a first index of refraction, a second material dispersed within the first material and having a second index of refraction, the difference between the first and the second indices of refraction being variable over a range of values, and means for varying the difference in index of refraction over a portion of the range. When the indices of refraction of the first and second material are substantially the same, the display is substantially transparent. Otherwise it is opaque or substantially less transparent.

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