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Display device

A technology for display devices and substrates, which is applied in the directions of identification devices, nonlinear optics, instruments, etc., can solve the problems of low adhesiveness, decreased adhesiveness of TFT substrate 100 and sealing material 115, and decreased adhesiveness of TFT substrate and sealing material. and other problems, to achieve the effect of increasing the surface area, improving the adhesion, and improving the transmittance

Inactive Publication Date: 2011-06-15
SHARP KK
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  • Abstract
  • Description
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Problems solved by technology

The common electrode terminal layer 107 is a transparent conductive layer formed of ITO (Indium Tin Oxide: Indium Tin Oxide), etc., and has relatively low adhesion to the sealing material 115
Therefore, the adhesion between the TFT substrate 100 and the sealing material 115 is reduced.
[0016] In addition, even with the method of Patent Document 1, when the region where the sealing material is provided includes a region where the region where the organic insulating film has been removed overlaps with the region where the common electrode terminal layer is formed as described above, even if the organic insulating film is intentionally removed, the In a part of the region where the organic insulating film is removed, the sealing material is also bonded to the common electrode terminal layer, so the adhesion between the TFT substrate and the sealing material is also reduced.

Method used

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Embodiment approach 1

[0072] Figure 1 to Figure 8 Embodiment 1 of this invention is shown. figure 1 It is a plan view schematically showing the liquid crystal display device S. FIG. figure 2 is along figure 1 The line II-II in the figure schematically represents a cross-sectional view of the liquid crystal display device S. As shown in FIG. image 3 It is a plan view schematically showing enlarged and schematically an area A at the corner of the sealing material 34 of the liquid crystal display device S. As shown in FIG. Figure 4 is along image 3 Line IV-IV schematically represents a cross-sectional view of area A. In addition, in Figure 4 The illustration of the polarizing plates 39 and 40 is omitted in .

[0073] The display device is a liquid crystal display device S such as figure 1 and figure 2 As shown in FIG. The rectangular frame-shaped sealing material 34 connected. A liquid crystal layer 36 sealed inside a sealing material 34 is formed between the TFT substrate 10 and t...

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Abstract

A display device is provided with a first substrate and a second substrate which face each other, and a rectangular-frame- shaped sealing material which bonds the first substrate and the second substrate. The first substrate is provided with a wiring layer overlapping the corner section of the sealing material; a multilayer insulating film, which includes an inorganic insulating film and an organic insulating film sequentially laminated on the wiring layer; and a transparent conductive layer, which is arranged on the multilayer insulating film and is connected to the wiring layer through a contact hole formed on the interlayer insulating film. The second substrate has an electrode layer electrically connected to the transparent conductive layer. The inorganic insulating film has an exposed section which is exposed from the organic insulating film at the corner section of the sealing material, and the exposed section is entirely exposed from the transparent conductive layer. A through hole is formed on the wiring layer at the exposed section, and the inorganic insulating film is arranged to cover the through hole.

Description

technical field [0001] The present invention relates to display devices such as liquid crystal display devices. Background technique [0002] Currently, liquid crystal display devices are widely used as displays for portable information devices such as OA (Office Automation) equipment such as personal computers, mobile phones, and PDAs (Personal Digital Assistant) by taking advantage of features such as thinness and low power consumption. application. [0003] A liquid crystal display device includes a TFT (Thin Film Transistor: thin film transistor) substrate, an opposing substrate arranged to face the TFT substrate, and a liquid crystal layer sealed between the TFT substrate and the opposing substrate with a rectangular frame-shaped sealing material. [0004] A common electrode layer is formed on the opposite substrate on the TFT substrate side. A plurality of wiring layers are formed on the TFT substrate, including a plurality of source wiring layers, a plurality of gat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09F9/30G02F1/1339G02F1/1368
CPCG02F1/1341
Inventor 喜多诚
Owner SHARP KK