Pixel Unit, Method for Sensing Touch of an Object, and Display Apparatus Incorporating the Same
First Claim
1. A pixel unit for use in a display apparatus with a data line, comprising:
- a switch circuit electrically connected to the data line; and
a sensing circuit, electrically connected to the switch circuit, for generating a signal in response to touch of an object;
wherein the signal is transmitted through the data line with the switch circuit being turned on.
1 Assignment
0 Petitions
Accused Products
Abstract
A pixel unit, method for sensing touch of an object, and a display apparatus incorporating the same are provided. The display apparatus includes a data line. The pixel unit includes a first switch circuit electrically connected to the data line and a sensing circuit electrically connected to the first switch circuit. The sensing circuit generates a signal in response to the touch of the object, while the signal is transmitted through the data line with the first switch circuit turned on. In addition, the display apparatus further includes a readout line. The pixel unit further includes a second switch circuit electrically connected to the readout line. The sensing circuit is electrically connected to the second switch circuit. In a first time period, the sensing circuit receives a reference voltage via the first switch circuit. Then the signal generated by the touch of the object is transmitted through the readout line via the second switch circuit in a second time period.
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Citations
38 Claims
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1. A pixel unit for use in a display apparatus with a data line, comprising:
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a switch circuit electrically connected to the data line; and a sensing circuit, electrically connected to the switch circuit, for generating a signal in response to touch of an object; wherein the signal is transmitted through the data line with the switch circuit being turned on. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A display apparatus, comprising:
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a data line; a driving circuit; and a pixel unit for receiving pixel data transmitted by the driving circuit, comprising; a switch circuit electrically connected to the data line; and a sensing circuit, electrically connected to the switch circuit, for generating a signal in response to touch of an object; wherein the signal is transmitted through the data line with the switch circuit being turned on. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A display apparatus for sensing touch of an object, comprising:
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a plurality of data lines; a plurality of scan lines; and a plurality of pixel units, each of the pixel units comprising a variable capacitor electrically connected to the switch circuit and a switch circuit; wherein the variable capacitors of the pixel units generate a plurality of signals in response to the touch of the object, the scan lines are orderly electrically connected to the pixel units to orderly turn on the switch circuits of the pixel units, and the signals are transmitted through the data lines by orderly turning on the switch circuits of the pixel units. - View Dependent Claims (22, 23, 24, 25, 26, 27)
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28. A method for sensing touch of an object on a pixel unit, the pixel unit comprising a first switch circuit, a second switch circuit, and a variable capacitor, the method comprising the following steps of:
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turning on the first switch circuit in a first time period and inputting a reference voltage through a data line by the first switch circuit; generating a signal in response to the touch of the object according to the reference voltage; and turning on the second switch circuit in a second time period and transmitting the signal through a readout line by the second switch circuit. - View Dependent Claims (29)
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30. A pixel unit for use in a display apparatus for sensing touch of an object, the display apparatus comprising a data line and a readout line, the pixel unit comprising:
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a first switch circuit electrically connected to the data line; a second switch circuit electrically connected to the readout line; and a variable capacitor electrically connected to the first switch circuit and the second switch circuit; wherein the variable capacitor receives a reference voltage from a data line by the first switch circuit in a first time period and generates a signal in response to the touch of the object according to the reference voltage, and the signal is transmitted through the readout line by the second switch circuit in a second time period. - View Dependent Claims (31, 32, 33, 34)
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35. A display apparatus, comprising:
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a data line; a driving circuit; a readout line; and a pixel unit for receiving pixel data transmitted by the driving circuit, comprising; a first switch circuit electrically connected to the data line; a second switch circuit electrically connected to the readout line; and a variable capacitor electrically connected to the first switch circuit and the second switch circuit; wherein the variable capacitor receives a reference voltage from a data line by the first switch circuit in a first time period and generates a signal in response to the touch of the object according to the reference voltage, and the signal is transmitted through the readout line by the second switch circuit in a second time period. - View Dependent Claims (36, 37, 38)
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Specification