Liquid crystal display device and manufacture method thereof

A liquid crystal display and device technology, applied in the field of liquid crystal displays, can solve the problems affecting the brightness and contrast of the display screen, the decrease of the light transmittance of the liquid crystal panel, and the reduction of the clarity of the display screen.

Inactive Publication Date: 2010-08-25
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the specific use process, the inventor found that attaching a film with touch function on the liquid crystal panel will reduce the light transmittance of the l

Method used

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  • Liquid crystal display device and manufacture method thereof
  • Liquid crystal display device and manufacture method thereof
  • Liquid crystal display device and manufacture method thereof

Examples

Experimental program
Comparison scheme
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Example Embodiment

Example 1:

An embodiment of the present invention provides a liquid crystal display device. As shown in FIG. 4 and FIG. 5 , the thin film transistor array substrate of the liquid crystal display device includes gate scanning lines 420 and data scanning lines 410 which are arranged on the substrate 456 to cross each other. The switching thin film transistor 450 is disposed at each intersection of the gate scan line 420 and the data scan line 410 , and further includes a pixel electrode 440 in an area defined by the intersection of the gate scan line 420 and the data scan line 410 . The cross-sectional structure of the switching thin film transistor 450 is shown in FIG. 5 . The switching thin film transistor 450 includes a gate electrode 451 connected to the gate scan line 420 , a source electrode 452 connected to the data scan line 410 , and a drain electrode connected to the pixel electrode 440 . 453 , and a semiconductor layer 459 a overlapping the gate scan line 420 and defi...

Example Embodiment

Example 2:

An embodiment of the present invention provides a method for manufacturing a liquid crystal display device. In the process of manufacturing a TFT array substrate, a light-sensing thin film transistor and a signal line parallel to a data scan line are formed while manufacturing a switching thin film transistor; The source and gate of the light-sensing thin film transistor are both connected to one of the gate scan lines that define the pixel unit, and the drain is output to the signal line; then an auxiliary spacer with a reflective layer on the surface is prepared on the color filter glass substrate A spacer, the auxiliary spacer is correspondingly disposed just above the channel of the light-sensing thin film transistor, and a space is reserved between the light-sensing thin film transistor and the light-sensing thin film transistor.

In order to convert the photocurrent generated by the light-sensing thin film transistor into a more obvious signal, so that the int...

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PUM

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Abstract

The invention discloses a liquid crystal display device and a manufacture method thereof, which relate to the field of liquid crystal displays and solve the problem that the traditional liquid crystal display devices with touch functions influence the brightness, the contrast and the definition of display frames. In the embodiment of the invention, a signal wire and a light-induced thin film transistor are additionally installed in the liquid crystal display device, and the light-induced thin film transistor is provided with an auxiliary spacer which has the gap with the light-induced thin film transistor; the surface of the auxiliary spacer is provided with a reflection layer, wherein the the drain electrode of the light-induced thin film transistor needs to be input to the signal wire, whereas the grid electrode and the source electrode of the light-induced thin film transistor are respectively connected to a grid electrode scanning line. The liquid crystal display device and the manufacture method thereof are mainly used for the liquid crystal displays, in particular to the liquid crystal displays with the touch functions.

Description

Liquid crystal display device and manufacturing method thereof technical field The invention relates to the field of liquid crystal displays, in particular to a liquid crystal display device in a liquid crystal display with touch function, and a manufacturing method of the liquid crystal display device. Background technique A liquid crystal display includes pixel units arranged in a matrix, and a driving circuit for driving the pixel units, and uses an electric field to control light transmittance of liquid crystals to display images. As shown in FIG. 1 , the liquid crystal display device 100 includes a thin film transistor (TFT, ThinFilmTransistor) array substrate 110 and a color filter glass substrate 120 facing each other, and the two substrates are sealed to the box by a sealant 130 to form the liquid crystal display device 100, And the TFT array substrate 110 and the color filter glass substrate 120 are coated with an alignment layer 160; the liquid crystal display de...

Claims

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Application Information

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IPC IPC(8): G02F1/1362H01L27/12H01L21/84
Inventor 王峥黄应龙
Owner BOE TECH GRP CO LTD
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