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Liquid crystal display device

A technology of liquid crystal display devices and substrates, which is applied in the fields of optics, instruments, electrical digital data processing, etc., and can solve problems such as functions that cannot be performed normally

Active Publication Date: 2014-01-22
JAPAN DISPLAY INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the other hand, it was confirmed that a part of the touch panel failed to function properly.

Method used

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  • Liquid crystal display device
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Examples

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Embodiment 1

[0059] The first embodiment of the present invention will be explained using the drawings. figure 1 It is a schematic plan view of the display panel 101 (touch panel) of the liquid crystal display device of the first embodiment. Basic structure and image 3 The same, but a redundant slit 116 is provided adjacent to the separation slit 115 that separates the transparent electrode common wiring 111 (spaced by one pixel), and the redundant transparent electrode is separated by the redundant slit 116 The common wiring 111 is electrically connected by the metal common wiring 112. In addition, in this embodiment, the redundant slit 116 is separated by an interval of one pixel, but it may be separated by an interval of two pixels or two or more pixels. However, it is preferably one pixel. In such a structure, there is a short circuit between the first column of redundant transparent electrode common wiring and the adjacent second column of transparent electrode common wiring that is...

Embodiment 2

[0078] The second embodiment of the present invention will be described below. In addition, matters described in Embodiment 1 but not described in this embodiment can be applied to this embodiment as long as there are no special circumstances. In the first embodiment, when the transparent electrode common wiring is short-circuited with the adjacent redundant transparent electrode common wiring that is electrically separated, the redundant metal common wiring connected to the redundant transparent electrode common wiring is cut off The metal common wiring is thereby electrically separated. In this embodiment, the redundant metal common wiring connected to the redundant transparent electrode common wiring is separated from the metal common wiring (main metal common wiring) in advance, and the main metal common wiring and the redundant metal common wiring are connected through a switch. When a failure is found in the lighting inspection, the switch of the redundant metal common w...

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Abstract

To provide a thin liquid crystal display device equipped with the capacitance-type touch panel, and specifically the thin liquid crystal display device with a lower cost and a higher reliability. The thin liquid crystal display device includes a CF substrate and a TFT substrate formed with a transparent electrode common line, the CF substrate having a plurality of transparent lines, the transparent electrode common line being isolated into a plurality of belt-like forms by an isolation slit, and an area where the transparent line and the transparent electrode common line constitutes an upper electrode and a lower electrode of the capacitance-type touch panel. Furthermore, there are provided a redundant slit and a disconnectable point of the metal common line.

Description

Technical field [0001] The present invention relates to a liquid crystal display device having an electrostatic capacitance type touch panel. Background technique [0002] A liquid crystal display device having a capacitive touch panel is disclosed in Patent Document 1, for example. In this liquid crystal display device, a capacitive touch sensor main body and a liquid crystal display main body are manufactured separately and assembled into a laminated structure. [0003] Prior art literature [0004] Patent literature [0005] Patent Document 1: Japanese Patent Application Publication No. 2012-27622 [0006] In the liquid crystal display device described in Patent Document 1, since the touch sensor main body and the liquid crystal display main body are manufactured separately, the thickness of the entire liquid crystal display device becomes thick. In addition, the manufacturing cost becomes high. Such as Figure 4 As shown, the liquid crystal display device 130 is composed of a dis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/1333G02F1/1343G02F1/1345G02F1/1362G06F3/044
CPCG02F1/13338G02F1/1309G06F3/0412G06F2203/04103G06F3/0443G02F1/134318G02F1/136263G02F1/133512G02F1/133514G02F1/134363G02F1/13439G02F1/136286G02F1/1368
Inventor 长三幸弘
Owner JAPAN DISPLAY INC
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