Information display apparatus

A technology of information display device and display medium, which is applied in the direction of identification device, instrument, nonlinear optics, etc., to achieve the effect of improving manipulability

Inactive Publication Date: 2011-09-14
BRIDGESTONE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the case where the circuit substrate 110 is connected to the substrate 101 of the display panel 100 on the side of the information display surface, the area where information can be displayed is limited as Figure 9 CF shown in (b), area CF is narrower than area BF that can potentially be used to display information

Method used

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Examples

Experimental program
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Embodiment 1

[0091] The rear side substrate was prepared by sputtering copper with a thickness of 1 μm on a polyethylene terephthalate (PET) film with a thickness of 100 μm to form a thin copper film; forming a wire electrode on one side , forming a pad-shaped pattern for mounting on the other side; using a laser to form a hole at the position where the linear electrode and the pad for mounting (connecting electrode) are connected, and applying a copper plating layer with a thickness of 1 μm in such a way that it does not protrude from the width of the electrode , to obtain a through-hole connection. Regarding the display side substrate, a display panel was prepared by using the substrate obtained by sputtering an ITO film on a polyethylene terephthalate (PET) film having a thickness of 100 μm; forming a pattern of linear electrodes.

Embodiment 1-1

[0093] In Example 1, both the width of the copper wire electrodes and the copper pads formed on the rear substrate were set to 300 μm, and a hole with a diameter of 150 μm was formed with a laser.

Embodiment 1-2

[0095] In Example 1, both the width of the copper wire electrodes and the copper pads formed on the rear substrate were set to 250 μm, and a hole with a diameter of 150 μm was formed by laser.

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Abstract

An information display apparatus having an optical reflectance between two panel substrates opposed to each other, of which at least one is transparent, for displaying information by sealing display media (3W, 3B) each of which is a group of particles which can be electrically driven and electrically moving the display media through a pair of electrodes (5, 6) provided on the panel substrates, respectively. The information display apparatus has a structure in which a wiring board (10) is connected to a rear surface substrate (1) which is one of the two substrates. The rear surface substrate is provided with a first through hole (7) penetrating the rear surface substrate, for electrically connecting electrodes (5-1, 5-2) formed on the front and back sides of the rear surface substrate, respectively. The wiring board (10) is connected to the electrode (5-2) provided on the back side in a region of the rear surface substrate. A second through hole (7) for connecting the electrode (6) provided on a display surface substrate which is the other one of the two panel substrates to an electrode (5-4) provided on the back side of the rear surface substrate is further formed.

Description

technical field [0001] The present invention relates to an information display device, wherein a display medium having optical reflectivity and composed of a particle group containing electrically drivable particles is sealed between two panel substrates arranged opposite to each other, wherein at least one panel The substrate is transparent, and the display medium moves under the action of electricity through the paired electrodes arranged on the panel substrate and forming pixels, thereby displaying information such as images. Background technique [0002] Liquid crystal display devices (LCDs) are widely used as information display devices. Generally, however, liquid crystal display devices are known to consume a large amount of power and have various defects such as a narrow viewing angle. In view of the above facts, instead of the liquid crystal display device, an information display device has been proposed in which a display medium having optical reflectivity and comp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/167G02F1/17G09F9/00G02F1/16755
CPCG09F9/00G02F1/167G02F1/1345G02F2201/42G02F1/13452G02F1/16755G02F1/1676G02F1/1681G02F2001/1678
Inventor 樱井良大野信吾西田三博田中宽治西井雅之
Owner BRIDGESTONE CORP
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