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Wiring board, method for manufacturing same, display panel and display device

一种配线基板、制造方法的技术，应用在辨认装置、照明装置、半导体/固态器件制造等方向，能够解决金属配线腐蚀等问题，达到防止腐蚀和断线、促进侵入的效果

Inactive Publication Date: 2012-05-23
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in this area, moisture, foreign matter, etc. are likely to adhere to the metal wiring, and there is a problem that the metal wiring is corroded.

Method used

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  • Wiring board, method for manufacturing same, display panel and display device
  • Wiring board, method for manufacturing same, display panel and display device
  • Wiring board, method for manufacturing same, display panel and display device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0069] Mainly based on figure 1 (a), (b) and Figure 7 (a)~(c), Figure 19 with Figure 20 One embodiment of the present invention will be described below.

[0070] figure 2 It is a block diagram showing a schematic configuration of main parts of the liquid crystal display device of the present embodiment.

[0071] Such as figure 2 As shown, the liquid crystal display device 1 of the present embodiment includes: a liquid crystal panel 2 (display panel) in which pixels 10 are arranged in a matrix; a driving circuit for driving the liquid crystal panel 2; and a control circuit 3 for controlling the driving of the driving circuit. A backlight unit (not shown) etc. are provided as needed.

[0072] The liquid crystal panel 2 is provided with a plurality of scanning lines 22 and a plurality of signal lines 27 respectively crossing the respective scanning lines 22 , and pixels 10 are provided for each combination of these scanning lines 22 and signal lines 27 . (pixel part)...

Embodiment approach 2

[0245] based on Figure 8 Other embodiments of the present invention will be described below. In addition, in this embodiment, differences from the above-mentioned first embodiment will be mainly described, and components having the same functions as those in the above-mentioned first embodiment will be given the same reference numerals, and description will be omitted.

[0246]Also in this embodiment, similarly to the above-mentioned first embodiment, the scanning line connection portion 50 is illustrated as the connection portion 44, but the scanning line connection portion 50, the scanning line 22, the scanning terminal 51, and the scanning electrode 12 can be connected to each other. Rename them to the signal wire connection part 60, the connection wire 62, the signal terminal 61, and the signal electrode 13, respectively. In addition, the names of the metal layers (wirings) can be changed in the same way as in the storage capacitor wiring connections.

[0247] Figure ...

Embodiment approach 3

[0254] based on Figure 9 (a), (b) The other embodiment of this invention is demonstrated as follows. In addition, in this embodiment, differences from the above-mentioned first embodiment will be mainly described, and components having the same functions as those in the above-mentioned first embodiment will be given the same reference numerals, and descriptions thereof will be omitted.

[0255] In addition, in this embodiment, similarly to Embodiments 1 and 2, the scanning line connection portion 50 is described as the connection portion 44 as an example, but the scanning line connection portion 50 , the scanning line 22 , the scanning terminal 51 , and the scanning electrode 12 They can be renamed as the signal wire connection part 60, the connection wire 62, the signal terminal 61, and the signal electrode 13, respectively. In addition, the names of the metal layers (wirings) can be changed in the same way as in the storage capacitor wiring connections.

[0256] Figure ...

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PUM

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Abstract

Disclosed is a wiring board wherein corrosion of a metal electrode due to a defect of a transparent conductive film covering the end surface of an organic insulating film is eliminated. In an active matrix substrate (20), scanning wiring (22), a gate insulating film (24), an interlayer insulating film (29), and a transparent electrode (33) are provided on a glass substrate (21). The scanning wiring (22) is provided with a terminal section (55) wherein the transparent electrode (33) is directly laminated on the scanning wiring (22). The transparent electrode (33) covers the end surface (29a) of the interlayer insulating film (29) and the end surface (24a) of the gate insulating film (24) and extends to the terminal section (55). The end surface (29a) of the interlayer insulating film (29), i.e., the interlayer insulating film end surface facing the terminal section (55), is separated further from the terminal section than the end surface (24a) of the gate insulating film (24), i.e., the gate insulating film end surface facing the terminal section (55).

Description

technical field [0001] The present invention relates to a wiring board having excellent corrosion resistance, a method for producing the same, a display panel, and a display device. Background technique [0002] In recent years, display devices using display media such as liquid crystal, organic EL (Electro Luminescence: electroluminescence), and inorganic EL have spread rapidly. Among these display devices, active matrix display devices are widely used because of their high response speed and ease of multi-gradation display. [0003] An active-matrix display device includes an active-matrix substrate on which a plurality of pixels are arranged in a matrix, and an opposing substrate arranged to face the active-matrix substrate. [0004] The active matrix substrate is formed to have a larger area than the counter substrate. These active matrix substrates and the counter substrate are bonded to each other with a sealant (not shown) provided along the edge of the counter subs...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09F9/30G02F1/1343G02F1/1345G09F9/00H01L51/50H05B33/04H05B33/06H05B33/10H05B33/26
CPCH01L27/3276H01L27/3258G02F1/136286G02F1/1345H10K59/124H10K59/131
Inventor 胜井宏充纪藤贤一中村涉
Owner SHARP KK
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