Capacitive touch screen, touch display device and method for manufacturing capacitive touch screen
A technology of capacitive touch screen and manufacturing method, which is applied in the direction of electrical digital data processing, input/output process of data processing, instruments, etc., can solve the problems of touch signal distortion and low touch sensitivity of capacitive touch screen edges, and achieve The effect of improving touch sensitivity
Active Publication Date: 2016-01-06
BEIJING BOE OPTOELECTRONCIS TECH CO LTD
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Problems solved by technology
like figure 1 As shown, when the finger touches the α' area located in the center of the capacitive touch screen, the touch area of the finger is larger than a rhombus area; and when the finger touches the β' area located at the edge of the capacitive touch screen, due to the β' area Located on the edge of the capacitive touch screen, the touch area of the finger is only half a diamond-shaped area, so that when the finger touches the β' area of the capacitive touch screen, the touch capacitance generated by the finger is larger than that of the finger touching the α' area of the capacitive touch screen When the touch capacitance is small, it is easy to cause the touch signal to be distorted, which leads to the low edge touch sensitivity of the capacitive touch screen.
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[0058] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0059] The capacitive touch screen of the first embodiment of the present invention, such as image 3 and Figure 4 As shown, including a substrate, the substrate is provided with:
[0060] m column electrodes 100, each of which has an H-shaped space distributed in n rows×1 column;
[0061] m×n H-shaped row electrodes 200, each of the H-shaped row electrodes 200 is nested in the H-shaped blank space and the H-shaped row electrodes 200 are insulated from the ...
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The invention discloses a capacitive touch screen, a touch display device and a manufacturing method of the capacitive touch screen. The capacitive touch screen comprises a substrate. M column electrodes are arranged on the substrate, each column electrode is provided with an H-shaped blank in a form of n rows* 1 column. M*n H-shaped row electrodes are arranged on the substrate, each H-shaped row electrode is nested on the H-shaped blank, the H-shaped row electrode is isolated from the column electrode, and H-shaped row electrodes of the same row are connected in series. M and n are natural numbers which are greater than 1. The touch display device comprises the capacitive touch screen. Touch sensitivities of the edges of the capacitive touch screen and the touch display device are improved, and the manufacturing method of the capacitive touch screen is provided.
Description
technical field [0001] The invention relates to the field of touch screens, in particular to a capacitive touch screen, a touch display device and a manufacturing method of the capacitive touch screen. Background technique [0002] A touch screen is a touch-sensing input device that is widely used now. According to the principle of touch sensing, existing touch screens include resistive touch screens, capacitive touch screens, surface infrared touch screens and the like. Among them, the resistive touch screen has been popular for many years because of its low cost, easy implementation, and simple control. Recently, capacitive touch screens have been welcomed by the public for their high light transmittance, wear resistance, resistance to environmental temperature changes, environmental humidity changes, long life, and the ability to realize advanced complex functions such as multi-touch. [0003] The use of capacitance changes as a sensing principle has a long history. Fo...
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IPC IPC(8): G06F3/044
Inventor 杨盛际刘英明任涛丁小梁
Owner BEIJING BOE OPTOELECTRONCIS TECH CO LTD