Touch-control type liquid crystal display device

A liquid crystal display device, touch technology, applied in static indicators, instruments, computing and other directions, can solve the problems of affecting display quality, complicated pressure-sensitive element processes, etc., and achieve the effect of helping to control costs, improve production efficiency, and simplify processes

Active Publication Date: 2011-05-04
SHANGHAI TIANMA MICRO ELECTRONICS CO LTD
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AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a touch-sensitive liquid crystal display device to solve the problems in the prior art that the

Method used

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  • Touch-control type liquid crystal display device

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Embodiment Construction

[0041] The inventors found that in the existing touch-sensitive liquid crystal display device, when solving the shortcomings of reduced brightness and thicker device thickness, an additional step is added in the pixel unit for sensing touch events, so that the data line signal changes and then The process step of positioning the pressure sensitive element increases the complexity of the process and correspondingly increases the manufacturing cost.

[0042] In view of this, the present invention provides a touch-sensitive liquid crystal display device. When the liquid crystal display device is made into a box and the spacer is made, the touch structure is made at the same time, so that accurate positioning and positioning can still be achieved without the use of pressure-sensitive elements. Better display effect, and can simplify the process, which is beneficial to control the cost and improve the production efficiency.

[0043] Next, the first technical solution of the present...

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Abstract

The invention relates to a touch-control type liquid crystal display device comprising a first base plate, a second base plate, a liquid crystal layer, a plurality of scanning lines, a plurality of data lines and a plurality of pixel units, wherein the first base plate and the second base plate are oppositely arranged; each pixel unit comprises a plurality of sub-pixels, each sub-pixel comprises a first common electrode, a second common electrode, a pixel switch element and a pixel electrode, wherein the first common electrode is arranged on the first base plate, the second common electrode is arranged on the second base plate, the pixel switch element is arranged on the first base plate, and the pixel electrode is electrically connected to the pixel switch element. The touch-control type liquid crystal display device also comprises a touch-control structure, a touch position output line and a touch detecting device, wherein the touch position output line is connected with the touch-control structure; the touch detecting device is connected with the touch position output line; the touch-control structure comprises a touch-control switch element and a touch unit, wherein the touch-control switch element is arranged on the first base plate; and when the touch-control type liquid crystal display device is touched, the touch-control switch element is electrically connected with the touch position output line. The touch-control type liquid crystal display device can realize multi-point touch to improve the display quality.

Description

technical field [0001] The invention relates to liquid crystal display technology, in particular to a touch-sensitive liquid crystal display device. Background technique [0002] In today's information society, people's dependence on electronic products is increasing day by day. Mobile phones, palmtop computers, personal digital assistants (PDAs) and other electronic products can be seen everywhere in life. In order to achieve more convenience, smaller size, stronger interaction and more humanization, the display panels provided by many electronic products integrate touch input functions to replace traditional peripheral input devices (such as keyboards or mice, etc.), so that The whole device appears more compact and lightweight. Therefore, the touch display panel with both touch and display functions has become one of the most popular products nowadays. [0003] Taking PDA as an example, its touch-sensitive touch panel is composed of a display (for example: thin film tr...

Claims

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Application Information

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IPC IPC(8): G02F1/133G02F1/1362G02F1/1368G06F3/041
Inventor 黄贤军
Owner SHANGHAI TIANMA MICRO ELECTRONICS CO LTD
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