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Film transistor liquid crystal display panel, its array substrate and mfg. method

A technology for liquid crystal display panels and thin film transistors, which is used in semiconductor/solid-state device manufacturing, optics, instruments, etc., and can solve problems such as incomplete exposure of dielectric layers, residual dielectric layers, and poor contact.

Inactive Publication Date: 2005-03-09
INNOLUX CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the failure of the lithography process such as development or etching process, the dielectric layer on the storage capacitor is not completely exposed or etched, and some of the dielectric layer remains, which will lead to the interface between the metal layer and the pixel electrode. Poor contact makes the liquid crystal capacitor unable to maintain a certain gray scale within the required time, resulting in poor panel performance

Method used

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  • Film transistor liquid crystal display panel, its array substrate and mfg. method
  • Film transistor liquid crystal display panel, its array substrate and mfg. method
  • Film transistor liquid crystal display panel, its array substrate and mfg. method

Examples

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no. 1 example

[0088] FIG. 2 is a schematic perspective view of a thin film transistor liquid crystal display panel according to the present invention.

[0089] Please refer to FIG. 2, the thin film transistor liquid crystal display panel 200 of the present invention is composed of a thin film transistor array substrate 202, a counter substrate 204 and a liquid crystal layer (not shown), wherein the liquid crystal layer is located on the thin film transistor array substrate 202 and the opposite substrate 204 . On the TFT array substrate 202 there are several scanning wires 210 , several data wires 212 , TFTs 216 , pixel electrodes 218 , color filter films (not shown) and several color filter stacks 220 . The data wires 212 and the scan wires 210 form several pixel regions 214 . Furthermore, thin film transistors 216 are disposed at intersections of the data wires 212 and the scan wires 210 , and are controlled by the data wires 212 and the scan wires 210 . The pixel electrodes 218 are disp...

no. 2 example

[0097] This embodiment is mainly aimed at improving the border of the display area of ​​the thin film transistor liquid crystal display panel of the present invention, please refer to figure 2 The display area 500 refers to the area with the pixel area 214 that can display patterns and colors; on the contrary, the part outside the display area 500, that is, the edge of the display area is the "non-display area".

[0098] Figure 5A to Figure 5C According to a second embodiment of the present invention, a schematic cross-sectional view of the manufacturing process of a thin film transistor liquid crystal display panel, the difference between it and the first embodiment is as follows: Please refer to Figure 5A , the first metal layer formed and patterned on the substrate 202, except Figure 3A In addition to the components, there is a metal layer 502 formed on the edge of the display area 500 . Afterwards, a gate insulating layer 304 is formed on the substrate 202 , which is...

no. 3 example

[0105] This embodiment is mainly aimed at improving the liquid crystal injection hole (LC injection hole) at the edge of the display area of ​​the thin film transistor liquid crystal display panel of the present invention, please refer to figure 2 The position of the liquid crystal injection port 700 is at the edge of the display area 500, from which liquid crystal can be injected.

[0106] Figure 7A to Figure 7B The schematic sectional view of the manufacturing process of the TFT-LCD panel according to the third embodiment of the present invention is substantially the same as that of the second embodiment, the difference lies in the steps after forming the adjacent or partially overlapping metal layers 502 and 506 . Please refer to Figure 7A , in order to facilitate the injection of liquid crystals, a larger aperture needs to be reserved in the liquid crystal injection port 700, so at this time, several color filter blocks can be formed on the substrate 202 exposed by the...

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Abstract

The present invention relates to a film transistor liquid crystal display panel, its array base plate and its production method. Said production method is characterized by that a colour light-filtering film can be adopted and integrated on a film transistor array, and on the film transistor a colour light-fitering lamina is formed as black matrix, so that it can save time and reduce cost. Besides, the edge of view area of diplay panel also can be equipped with colour light-filtering lamina so as to reduce light leakage. The edge of view area has liquid crystal injection hole, in order to increase aperture of said hole and reduce light leakage of said position an overlapped metal layer can be placed in colour light-filtering region block. Besides, said invention also puts forward some other attention problems so as to raise the quality of display panel.

Description

technical field [0001] The present invention relates to a liquid crystal display panel, and in particular to a thin film transistor liquid crystal display panel manufactured by integrating a color filter film on a thin film transistor array (color filter on array, COA for short), Its array substrate and its manufacturing method. Background technique [0002] With the development of high technology, video products, especially digital video or image devices have become common products in daily life. In these digital video or image devices, the display is an important component to display relevant information. Users can read information from the display, or further control the operation of the device. [0003] In order to match the modern life style, the volume of video or image devices is becoming thinner and lighter. Although the traditional cathode-layer ray display still has its advantages, it needs to occupy a large volume and consumes power. Therefore, in combination ...

Claims

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Application Information

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IPC IPC(8): G02F1/1335G02F1/1345G02F1/136H01L21/3205
Inventor 林丽年
Owner INNOLUX CORP
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