Abstract: The invention provides an electrophoresis display device that includes: a pair of a first substrate and a second substrate that are provided opposite to each other; an electrophoresis material layer that is sandwiched between the first substrate and the second substrate; a plurality of pixel areas that is formed on the first substrate and the second substrate; a plurality of optical detection elements which is formed either in the pixel areas or adjacent to the pixel areas; and a plurality of optical transmission paths each of which is formed between the first substrate and the second substrate and propagates incident light that enters through an outer surface of the second substrate so that the light reaches the corresponding optical detection element.

Abstract: The electrophoretic device of the present invention obtains a plurality of different optical characteristics by changing a proportion of number of pixel electrodes supplied with a first voltage and a number of pixel electrodes supplied with a second voltage. The transition of the optical characteristics accompanied by the changes of the proportion is previously obtained as an actual measurement value. The preferable proportion displaying the desired optical characteristic is calculated based on the actual measurement value.

Abstract: A display apparatus includes a plurality of first electrodes, a second electrode facing the plurality of first electrodes, and a plurality of microcapsules. Each of the plurality of first electrodes corresponds to one of a color. The plurality of microcapsules have a dispersion media and a plurality of particles sealed therein and are disposed between the plurality of first electrodes and the second electrode. A microcapsule of the plurality of microcapsules providing one of the colors is arranged on the first electrode that corresponds to the one of the colors.

Abstract: The present invention is a method in which microcapsules are placed at desired locations selectively accurately and easily to produce a high accuracy electrophoretic display panel. In the production method of a display panel of the present invention, the microcapsules are uniformly coated onto a substrate, on which electrodes is formed by using an optical hardening resin as a binder material. Next, the binder material is hardened by selectively irradiating a light beam to the only locations desired for placing the microcapsules by using a photomask. The binder material of portions not hardened is removed by washing in water. Thus, the microcapsules can be selectively and accurately placed at the only desired positions. A color electrophoretic display panel, in which each microcapsule of three primary colors is placed in a predetermined arrangement, can be produced by sequentially performing the processes for the three types of microcapsules corresponding to three primary colors.

Abstract: An electrophoresis device includes a pair of substrates, a plurality of pixel electrodes, and a common electrode formed on the pair of substrates, a liquid material formed by dispersing charged particles sealed between the pair of substrates and a driving circuit for applying a voltage to the pixel electrodes and the common electrode to generate an electric field therebetween. When display image is changed, the driving circuit generates a first electric field between all the pixel electrodes and the common electrode to delete the image displayed by that time over the entire display region. Then, when new display image is written, the driving circuit generates a second electric field between the pixel electrodes corresponding to display and the common electrode, and generates a third electric field between the common electrode and the pixel electrodes not corresponding to display.

Abstract: An electro-optical panel includes a first substrate, a second substrate facing the first substrate, a common electrode disposed on the first substrate, a plurality of pixel electrodes disposed on the second substrate, and a liquid dispersion medium which is sealed between a pair of substrates including the first substrate and the second substrate and into which charged particles are dispersed, in which the charged particles include first particles having a first color and second particles having a second color and having been charged to have a polarity different from a polarity of the first particles, the liquid dispersion medium has a third color, each of the plurality of pixel electrodes includes a plurality of sub-electrodes, and a voltage applying unit is provided so as to individually apply a voltage to the plurality of sub-electrodes.

Abstract: The present invention provides: a microcapsule composition for electrophoretic displays; a production process for the microcapsule composition for the electrophoretic displays; a production process for a sheet for the electrophoretic displays; and a handling method for microcapsules for the electrophoretic displays; wherein the microcapsule composition contains microcapsules and, when used for the electrophoretic displays, can make them as excellent as conventional in various performances (e.g. longtime stability of displaying, respondability of displaying, contrast, and number of times of display rewritability) and, particularly above all, can make the electrophoretic displays exhibit a very high performance as to the contrast.

Abstract: The invention provides an electrophoresis display device that includes: a pair of a first substrate and a second substrate that are provided opposite to each other; an electrophoresis material layer that is sandwiched between the first substrate and the second substrate; a plurality of pixel areas that is formed on the first substrate and the second substrate; a plurality of optical detection elements which is formed either in the pixel areas or adjacent to the pixel areas; and a plurality of optical transmission paths each of which is formed between the first substrate and the second substrate and propagates incident light that enters through an outer surface of the second substrate so that the light reaches the corresponding optical detection element.

Abstract: A display device including: a first substrate having a pixel electrode; a second substrate having a common electrode; a microcapsule sandwiched between the first substrate and the second substrate; and a display material changing its optical characteristic in response to an electrical stimulation, the display material being encapsulated in the microcapsule, the microcapsule being selectively disposed on a display area formed by the pixel electrode in between the first substrate and the second substrate, and a background area of one of the first substrate and the second substrate being colored with a background color, the background area serving as a background with respect to the display area.

Abstract: An electro-optical panel includes a first substrate, a second substrate facing the first substrate, a common electrode disposed on the first substrate, a plurality of pixel electrodes disposed on the second substrate, and a liquid dispersion medium which is sealed between a pair of substrates including the first substrate and the second substrate and into which charged particles are dispersed, in which the charged particles include first particles having a first color and second particles having a second color and having been charged to have a polarity different from a polarity of the first particles, the liquid dispersion medium has a third color, each of the plurality of pixel electrodes includes a plurality of sub-electrodes, and a voltage applying unit is provided so as to individually apply a voltage to the plurality of sub-electrodes.

Abstract: A highly reliable electrical device having a multilayered structure of a plurality of thin-film device layers and a method for manufacturing the same are provided. An electrical device includes a plurality of thin-film layers deposited and including a plurality of thin-film device layers each having a semiconductor device, and conductive layers with a predetermined thermal conductivity provided between adjacent thin-film layers. Examples of materials for the conductive layers include metals, metal compounds, resins with a metal or metal compound dispersed, and electrically conductive polymers.

Abstract: An electrophoretic display capable of improved contrast. A back substrate 52 provided with a transparent electrode 54 and a transparent substrate 53 provided with transparent electrodes 551 to 553 are arranged at a predetermined distance D. Between the transparent substrate 53 and the back substrate 52 are arranged a large number of microcapsules. In each of the microcapsules 56A is sealed a dispersion comprised of electrophoretic particles 57 dispersed in a dispersion medium 61 in advance by the microcapsulation technique. The plurality of microcapsules 56A are sandwiched between the transparent substrate 53 and the back substrate 52. The display surface side and the back side thereof are flat in shape.

Abstract: An electrophoresis device is provided which includes: a display area including electrophoresis elements, each of which has a dispersion system, which includes first electrophoresis particles and second electrophoresis particles having different electrical polarities, between a first electrode and a second electrode disposed opposite to each other; and a voltage control unit allowing the first and second electrophoresis particles to migrate to the first and second electrodes, respectively, so as to form an image by applying a voltage to the electrophoresis elements. Here, the first electrode has a first partial electrode and a second partial electrode and the voltage control unit unevenly distributes the electrophoresis particles distributed close to the first electrode onto one of the first and second partial electrodes by applying different voltages to the first partial electrode and the second partial electrode prior to changing display.

Abstract: An electrophoretic device according to the present invention comprises electrophoretic dispersion including a liquid-phase dispersion medium and electrophoretic particles dispersed therein, in which the positions of the electrophoretic particles are controlled in accordance with an electric field applied thereto. In addition, the electrophoretic device further has a first means for applying a first voltage so that a first dispersion state of the electrophoretic particles is changed into a second dispersion state and a second means for applying a second voltage so that the second dispersion state is substantially sustained. The electrophoretic device described above has superior image-sustaining properties.

Abstract: An electrophoretic display device of the present invention is formed of a first substrate, a second substrate, and microcapsules which are accommodated between these substrates and which contain an electrophoretic dispersion, wherein each of the microcapsules has an opening in at least a part thereof.

Abstract: The prevent invention is a method in which microcapsules are placed at desired locations selectively accurately and easily to produce a high accuracy electrophoretic display panel. In the production method of a display panel of the present invention, the microcapsules (43) are uniformly coated onto a substrate (41), on which electrodes (42) is formed by using an optical hardening resin as a binder material (44). Next, the binder material (44) is hardened by selectively irradiating a light beam to the only locations desired for placing the microcapsules (43) by using a photomask (45). The binder material (44) of portions not hardened is removed by washing in water. Thus, the microcapsules can be selectively and accurately placed at the only desired positions.

Abstract: An electrophoresis device includes a first substrate having a plurality of pixel electrodes formed on a surface thereof, a second substrate having a common electrode formed on a surface thereof and disposed to face the pixel electrodes, and an electrophoretic layer disposed between the pixel electrodes and the common electrode. The electrophoresis device makes electrophoretic particles migrate by keeping the potential of each pixel electrode constant and changing a voltage to be applied to the common electrode. The device also includes a voltage control means which supplies a voltage whose minimum voltage is not less than V3 and whose maximum voltage are not more than V4 to the common electrode, in a case where a potential which appears in each pixel electrode when a minimum voltage V1 is supplied to a voltage supply means to each pixel electrode is set to V3 and a potential which appears in each pixel electrode when a maximum voltage V2 is supplied to the voltage supply means is set to V4.

Abstract: A driving method for driving an electrophoretic device that includes a display region including a plurality of electrophoretic elements each including a dispersed system that includes electrophoretic particles and that is disposed between a common electrode and a pixel electrode, a driver that drives the electrophoretic elements by applying voltages to the electrophoretic elements, and a controller that controls the driver, wherein two or more units of display rewritten at different rewrite intervals are provided in the display region includes controlling, by the controller, the driver to apply a higher voltage to an electrophoretic element included in a unit of display having a longer rewrite interval when an image is rewritten.

Abstract: An electrophoresis device includes a translucent first substrate having a first electrode on one surface thereof; a second substrate having a second electrode on one surface thereof, and disposed to face the first substrate such that a protruding portion which does not overlap the first substrate in a substrate thickness direction is ensured at one side of the second substrate; a wiring pattern electrically connected to the second electrode via a connector passing through the second substrate, and provided on the other surface of the second substrate such that it extends to the protruding portion of the second substrate; an electrophoretic layer interposed between the first electrode and the second electrode; a translucent first moistureproof film having a portion contacting the other surface of the first substrate and a surplus portion disposed around the portion; and a second moistureproof film having a portion contacting the other surface of the second substrate and a surplus portion disposed around the po

Abstract: The present invention provides: a microcapsule composition for electrophoretic displays; a production process for the microcapsule composition for the electrophoretic displays; a production process for a sheet for the electrophoretic displays; and a handling method for microcapsules for the electrophoretic displays; wherein the microcapsule composition contains microcapsules and, when used for the electrophoretic displays, can make them as excellent as conventional in various performances (e.g. longtime stability of displaying, respondability of displaying, contrast, and number of times of display rewritability) and, particularly above all, can make the electrophoretic displays exhibit a very high performance as to the contrast.