IN-CELL TOUCH-SENSITIVE PANEL
First Claim
1. An in-cell touch-sensitive panel comprising:
- a thin film transistor (TFT) substrate comprising;
a net-shaped readout circuit comprising a plurality of widthwise and lengthwise readout lines, wherein the widthwise readout lines are electrically connected to the lengthwise readout lines; and
a plurality of conductive pads arranged in array manner and electrically connected to the net-shaped readout circuit; and
a color filter (CF) substrate opposite to the TFT substrate and comprising;
a plurality of spacers adapted to keep a first gap between the TFT and CF substrates;
a plurality of protrudent portions corresponding to the conductive pads, wherein there is a second gap between the protrudent portion and the conductive pad; and
a transparent electrode adapted to cover the spacers and the protrudent portion.
1 Assignment
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Accused Products
Abstract
An in-cell touch-sensitive panel includes TFT and CF substrates. The TFT substrate includes a net-shaped readout circuit and conductive pads arranged in array manner. The net-shaped readout circuit includes widthwise and lengthwise readout lines. The widthwise readout lines are electrically connected to the lengthwise readout lines. The conductive pads are electrically connected to the net-shaped readout circuit. Spacers are adapted to keep a first gap between the TFT and CF substrates. Protrudent portions are arranged to be corresponding to the conductive pads, and there is a second gap between the protrudent portion and the conductive pad. A transparent electrode covers the spacers and the protrudent portion.
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Citations
20 Claims
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1. An in-cell touch-sensitive panel comprising:
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a thin film transistor (TFT) substrate comprising; a net-shaped readout circuit comprising a plurality of widthwise and lengthwise readout lines, wherein the widthwise readout lines are electrically connected to the lengthwise readout lines; and a plurality of conductive pads arranged in array manner and electrically connected to the net-shaped readout circuit; and a color filter (CF) substrate opposite to the TFT substrate and comprising; a plurality of spacers adapted to keep a first gap between the TFT and CF substrates; a plurality of protrudent portions corresponding to the conductive pads, wherein there is a second gap between the protrudent portion and the conductive pad; and a transparent electrode adapted to cover the spacers and the protrudent portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A method for calculating a coordinate of a touch position of an in-cell touch-sensitive panel comprising the following steps of:
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providing a TFT substrate, wherein the TFT substrate comprises a net-shaped readout circuit and a plurality of conductive pads arranged in array manner, the net-shaped readout circuit comprises a plurality of widthwise readout lines, lengthwise readout lines and connections constituted by crosses of the widthwise readout lines and the lengthwise readout lines, and the conductive pads are electrically connected to the net-shaped readout circuit; providing a CF substrate, wherein the CF substrate is opposite to the TFT substrate, the CF substrate comprises a plurality of spacers, a plurality of protrudent portions and a transparent electrode, the spacers are adapted to keep the first predetermined gap between the TFT substrate and the CF substrate, there is the second predetermined gap between each protrudent portion and the corresponding conductive pad, and the transparent electrode covers the spacers and the protrudent portions; electrically contacting the transparent electrode located on the protrudent portion with the corresponding conductive pad according to a touch position, wherein the touch position divides the widthwise readout lines into the first and second widthwise resistance lines, and divides the lengthwise readout lines into the first and second lengthwise resistance lines; and calculating a coordinate of the touch position by voltages of the divided resistance lines being proportional to lengths of the divided resistance lines.
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20. A thin film transistor (TFT) substrate comprising:
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a net-shaped readout circuit comprising a plurality of widthwise and lengthwise readout lines, wherein the widthwise readout lines are electrically connected to the lengthwise readout lines; and a plurality of conductive pads arranged in array manner and electrically connected to the net-shaped readout circuit.
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Specification