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An embedded touch screen and display device

An in-cell touch screen and substrate technology, applied in optics, instruments, electrical digital data processing, etc., can solve problems such as unfavorable production efficiency and increased production cost, and achieve the effect of improving production efficiency and saving production costs.

Active Publication Date: 2017-12-15
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the structural design of the above-mentioned capacitive embedded touch screen, it is necessary to add a new film layer inside the existing display panel, resulting in the need to add a new process when making the panel, which increases the production cost and is not conducive to improving production efficiency

Method used

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Embodiment Construction

[0027] The specific implementation manners of the in-cell touch screen and the display device provided by the embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0028] The thickness and shape of each film layer in the drawings do not reflect the real scale, and the purpose is only to illustrate the content of the present invention.

[0029] An embedded touch screen provided by an embodiment of the present invention, such as figure 1 As shown, it includes an upper substrate 01 and a lower substrate 02 arranged oppositely, and also includes: a pixel electrode layer 03 arranged on the side of the lower substrate 02 facing the upper substrate 01, and a touch detection chip 04; wherein,

[0030] like figure 2 As shown, the pixel electrode layer 03 is composed of a plurality of mutually insulated pixel electrodes 05 and self-capacitance electrodes 06; wherein, each pixel electrode 05 is arranged in an array, and th...

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Abstract

The invention discloses a built-in touch screen and a display device. A self-capacitance electrode arranged on the same layer as the pixel electrode is arranged at the gap between each pixel electrode of the touch screen by using the principle of self-capacitance. The touch position can be determined by detecting changes in the capacitance values ​​of the respective capacitive electrodes. Since the touch screen provided by the embodiment of the present invention changes the structure of the pixel electrode layer to form a self-capacitance electrode at the original gap of each pixel electrode, therefore, on the basis of the existing array substrate preparation process, no additional process, saving production costs and improving production efficiency.

Description

technical field [0001] The invention relates to the field of touch technology, in particular to an embedded touch screen and a display device. Background technique [0002] With the rapid development of display technology, touch screen panels (Touch Screen Panels) have gradually spread in people's lives. Currently, touch panels can be classified into: Add on Mode Touch Panel, On Cell Touch Panel, and In Cell Touch Panel according to their composition and structure. Among them, the plug-in touch screen is produced separately from the touch screen and Liquid Crystal Display (LCD), and then bonded together to form a liquid crystal display with touch function. The plug-in touch screen has high production costs and low light transmittance. Low, thick modules and other shortcomings. The embedded touch screen embeds the touch electrodes of the touch screen inside the liquid crystal display, which can reduce the overall thickness of the module and greatly reduce the production cos...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/044G02F1/1333
CPCG06F2203/04103G02F1/13338G02F1/134309G02F1/136286G06F3/0412G06F3/0443G06F3/04164G06F3/04166G02F1/1333G06F3/047
Inventor 王海生董学薛海林刘英明赵卫杰丁小梁杨盛际刘红娟王磊王春雷
Owner BOE TECH GRP CO LTD
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