Conductive grid radio frequency control module, system and method, and touch panel including the same

Abstract

This invention relates to a conductive mesh radio frequency control module, comprising: a conductive mesh including a first driving wire and a first sensing wire that are electrically disconnected and intersect; and a radio frequency controller module configured to perform: generating a first radio frequency carrier signal and a second radio frequency carrier signal that have the same phase and operating frequency; and sequentially applying the first radio frequency carrier signal and the second radio frequency carrier signal to the first driving wire and the first sensing wire respectively, so as to generate a rotating alternating magnetic field around the first driving wire and the first sensing wire.

Claims

1. A conductive grid radio frequency control method, comprising: providing a first driving wire and a first sensing wire that are electrically disconnected and intersecting; generating a first radio frequency carrier signal and a second radio frequency carrier signal with the same phase and an operating frequency between them using a radio frequency controller module; and sequentially applying the first radio frequency carrier signal and the second radio frequency carrier signal to the first driving wire and the first sensing wire respectively, thereby generating a phase difference through a time difference to generate a rotating alternating magnetic field around the first driving wire and the first sensing wire.

2. The conductive grid radio frequency control method as described in claim 1 further includes a phase-segmented timing radio frequency control method, the phase-segmented timing radio frequency control method comprising: providing a conductive grid, the conductive grid including a plurality of driving wires and a plurality of sensing wires arranged in an intersecting manner; selecting a first driving wire, a second driving wire, a first sensing wire, and a second sensing wire from the driving wires and the sensing wires; generating a first radio frequency carrier signal, a second radio frequency carrier signal, a third radio frequency carrier signal, and a fourth radio frequency carrier signal having the operating frequency, the first radio frequency carrier signal, the second radio frequency carrier signal, the third radio frequency carrier signal, and the fourth radio frequency carrier signal having the same phase with each other; and sequentially applying the first radio frequency carrier signal, the second radio frequency carrier signal, the third radio frequency carrier signal, and the fourth radio frequency carrier signal to the first driving wire, the first sensing wire, the second driving wire, and the second sensing wire, respectively.

3. The conductive grid radio frequency control method as described in claim 2 further includes a synchronous multiphase radio frequency control method, the synchronous multiphase radio frequency control method comprising: combining the first radio frequency carrier signal, the second radio frequency carrier signal, the third radio frequency carrier signal, and the fourth radio frequency carrier signal to form a first composite radio frequency carrier signal; generating a second composite radio frequency carrier signal having the phase difference relative to the first composite radio frequency carrier signal based on the composite radio frequency carrier signal; and simultaneously applying the first composite radio frequency carrier signal and the second composite radio frequency carrier signal to the first driving wire and the first sensing wire, respectively.

4. The conductive grid radio frequency control method as described in claim 2 further includes a multi-phase time-interleaved radio frequency control method, the multi-phase time-interleaved radio frequency control method comprising: combining the first radio frequency carrier signal, the second radio frequency carrier signal, the third radio frequency carrier signal, and the fourth radio frequency carrier signal to form a composite radio frequency carrier signal; generating a second composite radio frequency carrier signal having the phase difference relative to the first composite radio frequency carrier signal based on the composite radio frequency carrier signal; and applying the first composite radio frequency carrier signal and the second composite radio frequency carrier signal to the first driving wire and the first sensing wire at different times, respectively.

5. A conductive grid radio frequency control method, comprising: providing a first sensing wire and a second driving wire that are electrically disconnected and intersecting; generating a first radio frequency carrier signal and a second radio frequency carrier signal with the same phase and an operating frequency between them using a radio frequency controller module; and sequentially applying the first radio frequency carrier signal and the second radio frequency carrier signal to the first sensing wire and the second driving wire respectively, thereby generating a phase difference through a time difference to generate a rotating alternating magnetic field around the first sensing wire and the second driving wire.

6. A conductive grid radio frequency control method, comprising: providing a first sensing wire and a first driving wire that are electrically disconnected and intersecting; generating a first radio frequency carrier signal and a second radio frequency carrier signal with the same phase and an operating frequency between them using a radio frequency controller module; and sequentially applying the first radio frequency carrier signal and the second radio frequency carrier signal to the first sensing wire and the first driving wire respectively, thereby generating a phase difference through a time difference to generate a rotating alternating magnetic field around the first sensing wire and the first driving wire.

7. A conductive mesh radio frequency control module, comprising: a conductive mesh including a first driving wire and a first sensing wire that are not electrically connected and intersect; and a radio frequency controller module configured to perform: generating a first radio frequency carrier signal and a second radio frequency carrier signal that have the same phase and an operating frequency; and sequentially applying the first radio frequency carrier signal and the second radio frequency carrier signal to the first driving wire and the first sensing wire respectively, thereby generating a phase difference through a time difference to generate a rotating alternating magnetic field around the first driving wire and the first sensing wire.

8. The conductive grid radio frequency control module as described in claim 7, wherein the radio frequency controller module further comprises: a power management unit, a control unit, an oscillator, a signal generation and phase control unit, and a power amplifier that are electrically connected to each other.

9. A conductive mesh radio frequency control system, comprising: a conductive mesh including a first driving wire and a first sensing wire that are not electrically connected and intersect; and a radio frequency controller module configured to perform: generating a first radio frequency carrier signal and a second radio frequency carrier signal having the same phase and an operating frequency; and sequentially applying the first radio frequency carrier signal and the second radio frequency carrier signal to the first driving wire and the first sensing wire respectively, thereby generating a phase difference through a time difference to generate a rotating intersection around the first driving wire and the first sensing wire. A variable magnetic field is used to simulate an antenna element; an indication information is displayed in a display area of ​​a touch display to indicate corresponding information related to the antenna element; a touch panel driver module is configured to drive the conductive mesh as a sensor mesh; a switch is configured to control the conductive mesh to be electrically connected to the radio frequency controller module or the touch panel driver module; and a main control module is configured to control the switch or display the indication information in the display area of ​​the touch display to indicate corresponding information related to the antenna element.

10. The conductive mesh radio frequency control system as claimed in claim 9, wherein the main control module is configured to control the switching switch based on time-division multiplexing technology to control the conductive mesh to alternately switch between electrical connections with the radio frequency controller module and electrical connections with the touch panel driver module.

11. A touch panel comprising: a conductive mesh including a first driving wire and a first sensing wire that are not electrically connected and intersect; a radio frequency controller module configured to perform: generating a first radio frequency carrier signal and a second radio frequency carrier signal having the same phase and an operating frequency; and sequentially applying the first radio frequency carrier signal and the second radio frequency carrier signal to the first driving wire and the first sensing wire respectively, thereby generating a phase difference through a time difference to generate a rotating alternating magnetic field around the first driving wire and the first sensing wire.

12. The touch panel as claimed in claim 11 further comprises: a touch panel driver module configured to drive the conductive mesh as a sensor mesh; a toggle switch configured to switch the conductive mesh to be electrically connected to the radio frequency controller module or the touch panel driver module; and a main control module configured to control the toggle switch.

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