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Electrophoretic display sheet, electrophoretic display apparatus, and method of manufacturing electrophoretic display sheet

An electrophoretic display and manufacturing method technology, applied in nonlinear optics, instruments, optics, etc., can solve problems such as difficulty in applying pressure, peeling or deformation of electrophoretic layers and electrode substrates, etc.

Inactive Publication Date: 2008-11-05
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, as described above, residual stress (restoration force) is likely to occur in the microcapsule layer, and peeling or deformation is likely to occur between the electrophoretic layer and the electrode substrate.
It is difficult to realize the overall pressurization (clamping) itself in a large substrate with a large area

Method used

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  • Electrophoretic display sheet, electrophoretic display apparatus, and method of manufacturing electrophoretic display sheet
  • Electrophoretic display sheet, electrophoretic display apparatus, and method of manufacturing electrophoretic display sheet
  • Electrophoretic display sheet, electrophoretic display apparatus, and method of manufacturing electrophoretic display sheet

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Embodiment Construction

[0034] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0035] (Electrophoretic Display Panel / Electrophoretic Display Device)

[0036] figure 1 It is a longitudinal sectional view showing an embodiment of the electrophoretic display device of the present invention.

[0037] In this embodiment, the common electrode substrate 10 as the substrate and the electrophoretic layer 30 formed on the substrate constitute an electrophoretic display panel, but the electrophoretic layer 30 may be formed on the pixel electrode substrate 20 to serve as an electrophoretic display panel. At this time, the same result can be obtained by replacing the common electrode substrate 10 and the pixel electrode substrate 20 .

[0038] The electrophoretic display device 1 includes: a common electrode substrate 10 on which a common electrode 12 is formed on a substrate 11; and an electrophoretic layer on which microcapsules 35 containing electrophoret...

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Abstract

An electrophoretic display sheet, includes: a substrate; and an electrophoretic layer made into a film on the substrate, including a plurality of microcapsules, in which an electrophoretic disperse medium containing at least one kind of electrophoretic particle is sealed, and a binder coupling the microcapsules to one another, wherein a degree of affinity of the substrate, the microcapsule, and the binder is respectively formed such as to increase in order of the microcapsule, the binder and the substrate.

Description

technical field [0001] The present invention relates to an electrophoretic display device that utilizes movement of charged particles in an electric field for information display, a manufacturing method thereof, and the like. Background technique [0002] An electrophoretic display device is generally configured such that an electrophoretic layer is provided between a pixel electrode substrate and a common electrode substrate. The electrophoretic layer includes one or more types of colored electrophoretic particles and a liquid-phase dispersion medium capable of moving the electrophoretic particles, and is sealed between two substrates. Then, when a pixel signal (voltage) corresponding to two-dimensional image information is applied between each pixel electrode of the pixel electrode substrate and the common electrode substrate, the position of the electrophoretic particles is set according to the level of the pixel signal, and an image is formed. [0003] As described abov...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/167
Inventor 神户贞男
Owner SEIKO EPSON CORP
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