Touch liquid crystal display panel and touch liquid crystal display device

Abstract

The invention discloses a touch liquid crystal display panel comprising a first substrate, a TFT array layer, a common electrode layer, an insulating layer, a touch layer, a dielectric layer, a pixel electrode layer, a liquid crystal layer and a second substrate, wherein the common electrode layer comprises a plurality of common electrodes; the insulating layer is used for isolating the common electrode layer from the touch layer and is provided with a plurality of through holes; the touch layer is used for receiving touch signals; the touch layer comprises a plurality of touch lines, and the touch lines are connected with the corresponding common electrodes by virtue of corresponding through holes; the dielectric layer is used for isolating the touch layer and the pixel electrode layer; the second substrate is provided with a black matrix; the common electrodes comprise a plurality of central common electrodes positioned in a central area and a plurality of peripheral common electrodes positioned in an edge area; and under the same unit area, the number of the peripheral common electrodes in the edge area is more than the number of the central common electrodes in the central area. By adopting the touch liquid crystal display panel disclosed by the invention, the problem that delta C is unsmooth because the edges are lack of comparison capacitance can be solved, and the touch accuracy of the edges can be enhanced.

Description

【Technical field】 [0001] The present invention relates to the field of display technology, in particular to a touch liquid crystal display panel and a touch liquid crystal display device. 【Background technique】 [0002] With the increasingly fierce competition in the smart phone market, the structural design of thinner and lighter products has become one of the focuses of mobile phone manufacturers. , touch screen), panel manufacturers are committed to the research and development of product thinning solutions, and Full in-cell technology is considered to be the ultimate solution for touch technology thinning solutions. [0003] see figure 1 , which is a structural schematic diagram of a touch display panel provided in the prior art. The common electrodes 10 on the array substrate are patterned into a matrix checkerboard format, and the common electrodes 10 are connected to the drive circuit 30 through metal leads 20. Touch The driving circuit is designed in the way of tim...

AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to provide a touch-control liquid crystal display panel and a touch-control liquid crystal display device, aiming to solve the problem that the delta C at the edge is not smooth because there is no corresponding sensor at the edge for comparison, which affects the precision of touch at the edge. degree of question

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