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Active matrix substrate, display device, and method for manufacturing active matrix substrate

An active matrix and manufacturing method technology, which is applied in the identification device, semiconductor/solid-state device manufacturing, semiconductor/solid-state device components and other directions, can solve the problems of pixel electrode and wiring leakage, film defects, poor display and other problems, and achieves reliable performance. high sex effect

Inactive Publication Date: 2011-02-09
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, as in the technology disclosed in Patent Document 1, when the pixel electrode is overlapped with the wiring via the interlayer insulating film, if a film defect occurs in the interlayer insulating film, there is a leakage between the pixel electrode and the wiring, and a problem caused by In case of poor display caused by dot defect
Especially when the interlayer insulating film is formed of only one layer, such film defects are more likely to occur

Method used

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  • Active matrix substrate, display device, and method for manufacturing active matrix substrate
  • Active matrix substrate, display device, and method for manufacturing active matrix substrate
  • Active matrix substrate, display device, and method for manufacturing active matrix substrate

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Embodiment Construction

[0068] Hereinafter, embodiments of a display device according to the present invention will be described with reference to the drawings.

[0069] figure 1 is a perspective view showing a schematic configuration of a liquid crystal display device according to this embodiment, figure 2 is a cross-sectional view showing a schematic structure of the liquid crystal display device, image 3 It is a cross-sectional view showing the main part structure (a part of the liquid crystal panel) of the liquid crystal display device, Figure 4 It is a plan view showing the pixel structure of the liquid crystal display device. in addition, Figure 5 yes Figure 4 The A-A' line profile, Image 6 yes Figure 4 The B-B' line profile, Figure 7 yes Figure 4 The C-C' line profile, Figure 8 yes Figure 4 The C-C' line sectional view of , is a view showing the form when a membrane defect occurs.

[0070] figure 1 with figure 2 The illustrated liquid crystal display device (display de...

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PUM

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Abstract

An active matrix substrate (40) includes a conductive film (44) and a wiring (80) for supplying the conductive film (44) with a signal. The wiring (80) includes a first conductive layer (61) and a second conductive layer (62) which has a relatively large line width compared with the line width of the first conductive layer (61) and is laminated to cover the first conductive layer (61). The conductive film (44) is arranged in matrix to so that at least a part of the conductive film is superimposed on the wiring (80).

Description

technical field [0001] The invention relates to an active matrix substrate, a display device and a manufacturing method of the active matrix substrate. Background technique [0002] In recent years, with the rapid spread of high-precision television receivers and large-scale television receivers, the demand for high-precision display devices is increasing. Liquid crystal display (LCD: Liquid Crystal Display), electroluminescence (EL: Electro Luminescence) display, plasma display (PDP: Plasma Display Panel), etc. are representative of flat panel display (FPD: Flat Panel Display). First, it has the advantages of light weight, space saving, low price, and low power consumption. [0003] Currently, transmissive liquid crystal display devices are the mainstream of liquid crystal display devices used in high-precision television receivers and large-scale television receivers. The transmissive liquid crystal display device has a structure in which liquid crystal is sandwiched bet...

Claims

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Application Information

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IPC IPC(8): H01L29/786H01L29/49H01L29/423H01L29/417H01L21/3213G09F9/30H01L21/28G02F1/1345H01L21/3205H01L23/52
CPCH01L27/1214H01L29/458G02F1/136286G02F2001/13629G02F1/13629H01L27/124
Inventor 春原英明
Owner SHARP KK