Information display, method for preparing it and method for using it
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United States of America Patent
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N/A
Issued Date -
Jul 31, 2003
app pub date -
Dec 4, 2002
filing date -
Dec 6, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An information display comprises a planar electrical optical element including a plurality of pixels, each of the pixels having an optical state controlled by an electrical signal; the optical element having at least two optical states of a light scattering state and a light transmissive state, each of the pixels having the optical state reversibly changed between the scattering state and the light transmissive state; information being displayed in a planar fashion by combining the optical states of pixels; and the information being capable to be held with no electrical signal applied, and visible light having a transmittance of 60% or higher when the visible light passes from one of surfaces of the electrical optical element to the other surface through a pixel in the light transmissive state.
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