ULTRATHIN MUTUAL CAPACITANCE TOUCH SCREEN AND COMBINED ULTRATHIN TOUCH SCREEN
First Claim
1. An ultrathin mutual capacitance touch screen comprises driving electrode clusters and sensing electrode clusters, wherein the driving electrode clusters are connected with an excitation signal source arranged outside the touch screen, and the sensing electrode clusters are connected with a sensing control module arranged outside the touch screen;
- the driving electrode clusters comprise tabulate driving electrodes which are made of transparent conductive materials and connected in series and/or in parallel, and the sensing electrode clusters comprise tabulate sensing electrodes which are made of transparent conductive materials and connected in series and/or in parallel;
The ultrathin mutual capacitance touch screen is characterized in that;
The driving electrode clusters and the sensing electrode clusters are arranged in the same plane, and the connecting wires thereof cross each other without electrical contact;
in addition, the driving electrodes and the sensing electrodes spread over the whole area of the touch screen in the same plane at intervals;
Electric fields formed between a driving electrode and a sensing electrode comprises an eigen mutual electric field which cannot be changed due to the influence of an external conductive electrode and a variable mutual electric fields which can be changed due to the influence of an external conductive electrode;
In a pair of adjacent driving electrode and sensing electrode of the touch screen, the plate area of at least one electrode producing the eigen mutual electric field is smaller than that of the same electrode producing the variable mutual electric field.
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Accused Products
Abstract
Ultrathin mutual capacitance touch screen and combined ultrathin touch screen composed by the said ultrathin mutual capacitance touch screen, the said ultrathin mutual capacitance touch screen comprises driving electrode clusters and sensing electrode clusters, wherein the driving electrode clusters are connected with an excitation signal source arranged outside the touch screen, and the sensing electrode clusters are connected with a sensing control module arranged outside the touch screen. The driving electrode clusters comprise tabulate driving electrodes which are made of transparent conductive materials and connected in series and/or in parallel, and the sensing electrode clusters comprise tabulate sensing electrodes which are made of transparent conductive materials and connected in series and/or in parallel. In particular, in a pair of adjacent driving electrode and sensing electrode of the touch screen, the plate area of at least one electrode producing the eigen mutual electric field is smaller than that of the same electrode producing the variable mutual electric field. The present invention make the thickness of the touch screen become thinner, and ensure a higher effective capacitivity.
163 Citations
10 Claims
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1. An ultrathin mutual capacitance touch screen comprises driving electrode clusters and sensing electrode clusters, wherein the driving electrode clusters are connected with an excitation signal source arranged outside the touch screen, and the sensing electrode clusters are connected with a sensing control module arranged outside the touch screen;
- the driving electrode clusters comprise tabulate driving electrodes which are made of transparent conductive materials and connected in series and/or in parallel, and the sensing electrode clusters comprise tabulate sensing electrodes which are made of transparent conductive materials and connected in series and/or in parallel;
The ultrathin mutual capacitance touch screen is characterized in that;The driving electrode clusters and the sensing electrode clusters are arranged in the same plane, and the connecting wires thereof cross each other without electrical contact;
in addition, the driving electrodes and the sensing electrodes spread over the whole area of the touch screen in the same plane at intervals;Electric fields formed between a driving electrode and a sensing electrode comprises an eigen mutual electric field which cannot be changed due to the influence of an external conductive electrode and a variable mutual electric fields which can be changed due to the influence of an external conductive electrode;
In a pair of adjacent driving electrode and sensing electrode of the touch screen, the plate area of at least one electrode producing the eigen mutual electric field is smaller than that of the same electrode producing the variable mutual electric field. - View Dependent Claims (2, 3, 4, 5, 6)
- the driving electrode clusters comprise tabulate driving electrodes which are made of transparent conductive materials and connected in series and/or in parallel, and the sensing electrode clusters comprise tabulate sensing electrodes which are made of transparent conductive materials and connected in series and/or in parallel;
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7. A combined ultrathin touch screen which comprises a touch panel made of transparent materials and is characterized in that:
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The combined ultrathin touch screen also comprises at least two mutual capacitance touch units which together fill the touch area of the touch panel; The mutual capacitance touch units comprise the driving electrode clusters and the sensing electrode clusters, wherein the driving electrode clusters are electrically connected with the excitation signal source which is arranged outside the combined ultrathin touch screen and corresponds to the mutual capacitance touch units, and the sensing electrode clusters are electrically connected with the sensing control module which is arranged outside the combined ultrathin touch screen and corresponds to the mutual capacitance touch units;
the driving electrode clusters comprise tabulate driving electrodes which are made of transparent conductive materials and connected in series and/or in parallel, and the sensing electrode clusters comprise tabulate sensing electrodes which are made of transparent conductive materials and connected in series and/or in parallel;The driving electrode clusters and the sensing electrode clusters are arranged in the same plane, and the connecting wires thereof cross each other without electrical contact;
in addition, the driving electrodes and the sensing electrodes spread over the whole area of the touch screen in the same plane at intervals;Electric field formed between a driving electrode and a sensing electrode comprises an eigen mutual electric field which cannot be changed due to the influence of an external conductive electrode and a variable mutual electric fields which can be changed due to the influence of an external conductive electrode;
In a pair of adjacent driving electrode and sensing electrode of the touch screen, the plate area of at least one electrode producing the eigen mutual electric field is smaller than that producing the variable mutual electric field. - View Dependent Claims (8, 9, 10)
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Specification