Rewritable display sheet, image forming apparatus for displaying image on rewritable display sheet, and image displaying method
First Claim
Patent Images
1. A rewritable display sheet comprising:
- a conductive substrate having a voltage applying section at an end portion;
a first display layer, which is provided on a first surface of the conductive substrate and able to display a first image with a first electric field applied thereto;
a first transparent sheet provided on the first display layer;
a second display layer, which is provided on a second surface of the conductive substrate and able to display a second image with a second electric field applied thereto; and
a second transparent sheet provided on the second display layer.
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Accused Products
Abstract
Provided is a rewritable display sheet capable of displaying different images on both surfaces. The rewritable display sheet 10 of the present invention is provided with a conductive substrate 12 that has a voltage applying section 12a at an end portion, transparent sheets 14 and 16 provided on both sides of the conductive substrate 12, and display layers 18 and 20 which are provided between the conductive substrate 12 and the transparent sheets 14 and 16 and in which an image is written with an electric field applied.
28 Citations
20 Claims
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1. A rewritable display sheet comprising:
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a conductive substrate having a voltage applying section at an end portion;
a first display layer, which is provided on a first surface of the conductive substrate and able to display a first image with a first electric field applied thereto;
a first transparent sheet provided on the first display layer;
a second display layer, which is provided on a second surface of the conductive substrate and able to display a second image with a second electric field applied thereto; and
a second transparent sheet provided on the second display layer. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An image forming apparatus for displaying an image on a rewritable display sheet,
the rewritable display sheet being constructed of a conductive substrate having a voltage applying section at an end portion, a first display layer, which is provided on a first surface of the conductive substrate and able to display a first image with a first electric field applied thereto, a first transparent sheet provided on the first display layer, a second display layer, which is provided on a second surface of the conductive substrate and able to display a second image with a second electric field applied thereto, and a second transparent sheet provided on the second display layer, and the image forming apparatus comprising: -
an image writing member provided so as to be able to come in contact with a surface of the first transparent sheet; and
a voltage applying member provided so as to be able to come in contact with the voltage applying section. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. An image displaying method for displaying an image on a rewritable display sheet, comprising the step of:
applying a second voltage to a surface of a first transparent sheet according to an image signal in a state in which a first voltage is applied to a voltage applying section of the rewritable display sheet constructed of a conductive substrate having the voltage applying section at an end portion, a first display layer, which is provided on a first surface of the conductive substrate, the first transparent sheet provided on the first display layer, a second display layer, which is provided on a second surface of the conductive substrate, and a second transparent sheet provided on the second display layer, whereby a first image is displayed on the first display layer. - View Dependent Claims (20)
Specification