Substrate with touch function and display using the same
First Claim
1. A substrate with touch function, comprising:
- a plurality of scan lines disposed on the substrate;
at least a touch device disposed on the substrate, the touch device comprising;
at least a power line disposed on the substrate;
at least a readout line disposed on the substrate;
a light sensing circuit electrically coupled to a (N+1)th of the power lines, a Nth of the scan lines and a Nth of the readout lines, wherein N is an integer; and
a voltage divider circuit comprising an output terminal and configured to output a voltage to the light sensing circuit through the output terminal thereof according to a degree of illumination thereon or a degree of capacitance change;
wherein the light sensing circuit is controlled by a scan signal delivered through the Nth scan line and the voltage output from the voltage divider circuit, the light sensing circuit comprises;
a readout transistor comprising a first control terminal, a first communication terminal and a second communication terminal, wherein the first control terminal is electrically coupled to the Nth of the scan lines, and the first communication terminal is electrically coupled to the Nth of the readout lines;
a first light sensing transistor comprising a second control terminal, a third communication terminal and a fourth communication terminal, wherein the second control terminal is electrically coupled to a (N+1)th of the scan lines, and the third communication terminal is electrically coupled to the second communication terminal;
a second light sensing transistor comprising a third control terminal, a fifth communication terminal and a sixth communication terminal, wherein the third control terminal is electrically coupled to the output terminal of the voltage divider circuit and for receiving the voltage, the fifth communication terminal is electrically coupled to the fourth communication terminal, and the sixth communication terminal is electrically coupled to the (N+1)th of the power lines;
a first capacitor electrically coupled between the third communication terminal and a constant voltage; and
a second capacitor electrically coupled between the third control terminal and the sixth communication terminal;
wherein the (N+1)th of the scan lines is arranged next to the Nth of the scan lines.
1 Assignment
0 Petitions
Accused Products
Abstract
A substrate with touch function includes a plurality of scan lines and at least a touch device disposed thereon. The touch device includes at least a power line, at least a readout line, a light sensing circuit and a voltage divider circuit. The power line and the readout line are disposed on the substrate. The light sensing circuit is electrically coupled to a (N+1)th of the power lines, an Nth of the scan lines and an Nth of the readout lines, wherein N is an integer. The voltage divider circuit has an output terminal and is configured to output a first voltage to the light sensing circuit through the output terminal thereof according to a degree of illumination thereon or a degree of capacitance change. A display using the aforementioned substrate is also provided.
29 Citations
15 Claims
-
1. A substrate with touch function, comprising:
-
a plurality of scan lines disposed on the substrate; at least a touch device disposed on the substrate, the touch device comprising; at least a power line disposed on the substrate; at least a readout line disposed on the substrate; a light sensing circuit electrically coupled to a (N+1)th of the power lines, a Nth of the scan lines and a Nth of the readout lines, wherein N is an integer; and a voltage divider circuit comprising an output terminal and configured to output a voltage to the light sensing circuit through the output terminal thereof according to a degree of illumination thereon or a degree of capacitance change; wherein the light sensing circuit is controlled by a scan signal delivered through the Nth scan line and the voltage output from the voltage divider circuit, the light sensing circuit comprises; a readout transistor comprising a first control terminal, a first communication terminal and a second communication terminal, wherein the first control terminal is electrically coupled to the Nth of the scan lines, and the first communication terminal is electrically coupled to the Nth of the readout lines; a first light sensing transistor comprising a second control terminal, a third communication terminal and a fourth communication terminal, wherein the second control terminal is electrically coupled to a (N+1)th of the scan lines, and the third communication terminal is electrically coupled to the second communication terminal; a second light sensing transistor comprising a third control terminal, a fifth communication terminal and a sixth communication terminal, wherein the third control terminal is electrically coupled to the output terminal of the voltage divider circuit and for receiving the voltage, the fifth communication terminal is electrically coupled to the fourth communication terminal, and the sixth communication terminal is electrically coupled to the (N+1)th of the power lines; a first capacitor electrically coupled between the third communication terminal and a constant voltage; and a second capacitor electrically coupled between the third control terminal and the sixth communication terminal; wherein the (N+1)th of the scan lines is arranged next to the Nth of the scan lines. - View Dependent Claims (2, 3, 4, 5)
-
-
6. A substrate with touch function, comprising:
-
a plurality of scan lines disposed on the substrate; at least a touch device disposed on the substrate, the touch device comprising; at least a power line disposed on the substrate; at least a readout line disposed on the substrate; a light sensing circuit electrically coupled to a (N+1)th of the power lines, a Nth of the scan lines and a Nth of the readout lines, wherein N is an integer; and a voltage divider circuit comprising an output terminal and configured to output a voltage to the light sensing circuit through the output terminal thereof according to a degree of illumination thereon or a degree of capacitance change; wherein the light sensing circuit is controlled by a scan signal delivered through the Nth scan line and the voltage output from the voltage divider circuit, the light sensing circuit comprises; a readout transistor comprising a first control terminal, a first communication terminal and a second communication terminal, wherein the first control terminal is electrically coupled to the Nth of the scan lines, and the first communication terminal is electrically coupled to the Nth of the readout lines; a light sensing transistor comprising a second control terminal, a third communication terminal and a fourth communication terminal, wherein the second control terminal is electrically coupled to the output terminal of the voltage divider circuit and for receiving the first voltage, the third communication terminal is electrically coupled to the second communication terminal, and the fourth communication terminal is electrically coupled to the (N+1)th of the power lines; and a capacitor electrically coupled between the second communication terminal and a constant voltage. - View Dependent Claims (7, 8, 9, 10)
-
-
11. A substrate with touch function, comprising:
-
a plurality of scan lines disposed on the substrate; at least a touch device disposed on the substrate, the touch device comprising; at least a power line disposed on the substrate; at least a readout line disposed on the substrate; a light sensing circuit electrically coupled to a (N+1)th of the power lines, a Nth of the scan lines and a Nth of the readout lines, wherein N is an integer; and a voltage divider circuit comprising an output terminal and configured to output a voltage to the light sensing circuit through the output terminal thereof according to a degree of illumination thereon or a degree of capacitance change; wherein the light sensing circuit is controlled by a scan signal delivered through the Nth scan line and the voltage output from the voltage divider circuit, the light sensing circuit comprises; a readout transistor comprising a first control terminal, a first communication terminal and a second communication terminal, wherein the first control terminal is electrically coupled to the Nth of the scan lines, and the first communication terminal is electrically coupled to the Nth of the readout lines; a light sensing transistor comprising a second control terminal, a third communication terminal and a fourth communication terminal, wherein the second control terminal is electrically coupled to the output terminal of the voltage divider circuit and for receiving the voltage, the third communication terminal is electrically coupled to the second communication terminal, and the fourth communication terminal is electrically coupled to the (N+1)th of the power lines; a reset transistor comprising a third control terminal, a fifth communication terminal and a sixth communication terminal, wherein the third control terminal is electrically coupled to a (N+1)th of the scan lines, the fifth communication terminal is electrically coupled to the second communication terminal, and the sixth communication terminal is electrically coupled to the (N+1)th of the power lines; and a capacitor electrically coupled between the second communication terminal and a constant voltage. - View Dependent Claims (12, 13, 14, 15)
-
Specification