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capacitive touch screen

A technology of capacitive touch screen and touch layer, which is applied in the direction of electrical digital data processing, instrumentation, calculation, etc., can solve the problems of affecting the touch sensitivity and increasing the thickness of the touch screen, and achieve the effect of saving materials, eliminating capacitance, and reducing thickness

Active Publication Date: 2016-09-07
BOE TECH GRP CO LTD +1
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

But this design makes a large capacitance between the electrostatic protection layer and the touch sensing layer, which affects the touch sensing sensitivity and increases the thickness of the touch screen

Method used

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Embodiment Construction

[0019] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0020] The capacitive touch screen of the embodiment of the present invention, such as figure 1 As shown, it is composed of an array substrate 101, a color filter substrate 102, and a liquid crystal 103 between the array substrate 101 and the color filter substrate 102. Static electricity is formed on the back of the color filter substrate 102, that is, the other surface of the color filter substrate where the black matrix layer is made. The touch protection layer 104 is used to realize the functions of electrostatic protection and touch sensing, and is made of a transparent metal oxide material.

[0021] The electrostatic protection touch layer 104 is composed of a touch...

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Abstract

An embodiment of the present invention discloses a capacitive touch panel, which is provided with an electrostatic protection touching layer, the electrostatic protection touching layer comprises a touching array pattern and an electrostatic protection discharging pattern, and the electrostatic protection discharging pattern is disposed in a space of the touching array pattern, complementing with the touching array pattern. The capacitive touch panel of the embodiment of the present invention, reduces the thickness of touch panel, and saves the material by forming the electrostatic protection layer and the touch sensing layer on one layer, which realizes the touching sense as well as the electrostatic protection, eliminates the capacitance between the electrostatic protection layer and the touch sensing layer, and improves the sensitivity of touching sense.

Description

technical field [0001] The invention relates to the technical field of touch display, in particular to a capacitive touch screen. Background technique [0002] In recent years, with the development of science and technology, liquid crystal display technology has also been continuously improved. TFT-LCD (Thin Film Transistor-Liquid Crystal Display, Thin Film Field Effect Transistor-Liquid Crystal Display) occupies an important position in the display field due to its advantages of good image display quality, low energy consumption, and environmental protection. In the traditional capacitive touch screen, a layer of electrostatic protection layer and a layer of touch sensing layer are usually made on the back of the color film substrate. The electrostatic protection layer is used to reduce the impact of static electricity in the external environment on the display quality, and the touch sensing layer is used to realize touch sensitive. However, this design causes a large cap...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/044G02F1/1333
CPCG06F3/0443G06F3/0448G06F2203/04107G06F3/0412
Inventor 鲁友强邱云王静
Owner BOE TECH GRP CO LTD
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