CAPACITIVE TOUCH SCREEN
First Claim
1. A capacitive touch screen, comprising:
- a substrate;
a plurality of sensing electrodes provided on the substrate, the plurality of sensing electrodes being arranged in a two-dimensional array; and
a touch control chip bound to the substrate, the touch control chip being connected with each of the plurality of sensing electrodes via a corresponding wire, and the touch control chip being configured to detect a change of self-capacitance of each of the plurality of sensing electrodes by using a detection circuit with an adjustable precision, so as to determine touch information.
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Accused Products
Abstract
The embodiments of the invention disclose a capacitive touch screen, including: a substrate; a plurality of sensing electrodes provided on the substrate, the plurality of sensing electrodes being arranged in a two-dimensional array; and a touch control chip bound to the substrate, the touch control chip being connected with each of the plurality of sensing electrodes via a corresponding wire; the touch control chip being configured to detect a change of self-capacitance of each of the plurality of sensing electrodes by using a detection circuit with an adjustable precision, so as to determine touch information. The capacitive touch screen disclosed in the embodiments of the invention can achieve a true multi-touch and detect the touch positions of different touch objects accurately.
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Citations
8 Claims
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1. A capacitive touch screen, comprising:
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a substrate; a plurality of sensing electrodes provided on the substrate, the plurality of sensing electrodes being arranged in a two-dimensional array; and a touch control chip bound to the substrate, the touch control chip being connected with each of the plurality of sensing electrodes via a corresponding wire, and the touch control chip being configured to detect a change of self-capacitance of each of the plurality of sensing electrodes by using a detection circuit with an adjustable precision, so as to determine touch information. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification