Embedded type touch screen and display device

An embedded touch screen, touch technology, applied in the direction of instrument, electrical digital data processing, data processing input/output process, etc., can solve problems such as unfavorable production efficiency, increase production cost, etc., to improve production efficiency and save production. cost effect

Active Publication Date: 2014-11-12
BOE TECH GRP CO LTD +1
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  • Abstract
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Problems solved by technology

[0004] In the above-mentioned in-cell touch screen, the wires connecting the self-capacitance electrodes and the touch detection chip and the self-capacitance electrodes are generally arranged in different layers. Therefore, it

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  • Embedded type touch screen and display device
  • Embedded type touch screen and display device
  • Embedded type touch screen and display device

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Embodiment Construction

[0032] 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.

[0033] 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.

[0034] An embedded touch screen provided by an embodiment of the present invention, such as figure 1 As shown, it includes an array substrate 02 with data lines 01, and also includes:

[0035] A plurality of self-capacitance electrodes 03 arranged on the same layer and independent of each other are arranged on the array substrate 02, and the self-capacitance electrodes 03 and the data lines 01 are insulated from each other;

[0036] A touch detection chip 04 for judging the touch position by detecting changes in the capacitance values ​​of the respective capacitive electrodes 03 d...

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Abstract

The invention discloses an embedded type touch screen and a display device. Multiple self-capacitance electrodes which are arranged on the same layer and are independent are arranged on an array substrate based on the self-capacitance principle, a touch detection chip can judge the touch position by detecting the capacitance value change of all the self-capacitance electrodes in a touch time period, wires which are insulated from data lines and have the same wiring direction with the data lines are arranged on the same layer of the data lines, and the wires are used for connecting the self-capacitance electrodes to the touch detection chip. Due to the fact that graphs of the layer where the data lines are located are changed and the wires connected with the self-capacitance electrodes are formed, compared with a manufacturing process that two film layers need to be added based on an existing array substrate manufacturing process, the touch function can be achieved only by adding the process for forming a layer of self-capacitance electrodes, production cost is reduced, and production efficiency is improved. The wires and the data lines have the same wiring direction, the joints of the wires and the touch detection chip cannot occupy frames on the two sides, and the narrow frame design is easily achieved.

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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IPC IPC(8): G06F3/044
CPCG06F3/0412G06F3/04164G06F3/0443G06F2203/04103
Inventor 赵卫杰董学王海生杨盛际刘英明丁小梁刘红娟李昌峰
Owner BOE TECH GRP CO LTD
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