| 摘要 |
PROBLEM TO BE SOLVED: To provide a notice that uses a reversible information display panel, wherein its fabric cost and man-hours required for its fabrication are fully suppressed to low levels, and the consumption of resources is suppressed efficiently through the recycling. SOLUTION: Each of the notices 1-1, 1-2, 1-3 has a display portion comprising the reversible information display panel, which makes required information displayed on the transparent substrate side, sealing a display medium in an enclosed space between two sheets of substrates which face each other and of which at least one is transparent, and transferring the display medium with the electric field produced by charges formed between the substrates, wherein the reversible information display panel uses two kinds of display media respectively, consisting of two kinds of particles for the display media having mutually different colors and charge characteristics and both with average particle diameter in 3-10μm range, and total thickness of the information display panel is set to 10μm or larger and smaller than 1 mm. COPYRIGHT: (C)2006,JPO&NCIPI
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