CN212112431U - Touch panel and notebook computer - Google Patents
Touch panel and notebook computer Download PDFInfo
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- CN212112431U CN212112431U CN202020464573.0U CN202020464573U CN212112431U CN 212112431 U CN212112431 U CN 212112431U CN 202020464573 U CN202020464573 U CN 202020464573U CN 212112431 U CN212112431 U CN 212112431U
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Abstract
The embodiment of the utility model discloses touch panel and notebook computer. The touch panel includes: a circuit substrate; the electromagnetic touch pad and the capacitive touch pad are sequentially stacked on the circuit substrate; the electromagnetic touch pad and the capacitance touch pad are electrically connected with the circuit substrate. The embodiment of the utility model provides a touch panel can enough carry out finger input, can carry out the electromagnetic pen input again.
Description
Technical Field
The embodiment of the utility model provides a relate to the touch-control technique, especially relate to a touch panel and notebook computer.
Background
With the development of touch technology, the application of touch panels is becoming more and more widespread, and many electronic devices such as mobile phones, tablets, and notebook computers are equipped with touch panels.
The existing touch panels are generally capacitive touch panels, and can be used for finger touch control; however, in some fields requiring an electromagnetic pen to perform accurate input, such as the drawing field, the existing touch panel cannot realize the input of the electromagnetic pen, thereby limiting further applications of the touch panel.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a touch panel and notebook computer to make touch panel can enough carry out finger input, can carry out the electromagnetic pen input again.
In a first aspect, an embodiment of the present invention provides a touch panel, the touch panel includes: a circuit substrate; the electromagnetic touch pad and the capacitive touch pad are sequentially stacked on the circuit substrate; the electromagnetic touch pad and the capacitance touch pad are electrically connected with the circuit substrate.
Optionally, the capacitive touchpad is located on a side of the electromagnetic touchpad near a user touch input.
Optionally, the capacitive touchpad comprises: a first substrate and a transparent electrode layer; the first substrate is positioned on one side of the transparent electrode layer close to the electromagnetic touch pad; the transparent electrode layer is electrically connected with the circuit substrate.
Optionally, the electromagnetic touch pad includes a second substrate and a coil sensing pad; the second substrate is positioned on one side of the coil induction plate close to the circuit substrate; the coil induction plate is electrically connected with the circuit substrate.
Optionally, the method further comprises: the pressing rocker is positioned on one side of the capacitive touch pad, which is far away from the electromagnetic touch pad; the pressing rocker is connected with the circuit substrate.
Optionally, the pressing rocker comprises: the rocker positioner is electrically connected with the circuit substrate.
Optionally, the method further comprises: an insulating film, a structural plastic part and a support; the insulating film is positioned on one side of the electromagnetic touch pad far away from the capacitive touch pad; the structural plastic part is positioned on one side of the insulating film, which is far away from the electromagnetic touch control plate; the supporting piece is positioned on one side of the structural plastic piece far away from the insulating film.
In a second aspect, an embodiment of the present invention further provides a notebook computer, including the touch panel of the first aspect.
Optionally, the notebook computer includes a CPU, and the circuit board is electrically connected to the CPU.
Optionally, the method further comprises: an electromagnetic pen; the electromagnetic touch control board is used for detecting contact parameters of the electromagnetic pen.
In the technical solution of this embodiment, the adopted touch panel includes: the touch control circuit comprises a capacitive touch control panel, an electromagnetic touch control panel and a circuit substrate, wherein the electromagnetic touch control panel and the capacitive touch control panel are sequentially stacked on the circuit substrate; the electromagnetic touch pad and the capacitance touch pad are electrically connected with the circuit substrate. The control circuit can drive the capacitance touch control panel and the electromagnetic touch control panel, and the touch control panel of the embodiment can be input by fingers and can also be input by an electromagnetic pen, so that the practical value of the touch control panel is greatly improved, and the application range is expanded.
Drawings
Fig. 1 is a schematic diagram of a layered structure of a touch panel according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a capacitive touch panel according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an electromagnetic touch panel according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a notebook computer according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Fig. 1 is a schematic diagram of a layered structure of a touch panel provided in an embodiment of the present invention, referring to fig. 1, the touch panel includes: a capacitive touch pad 101, an electromagnetic touch pad 102 and a circuit substrate 103; the electromagnetic touch pad 102 and the capacitive touch pad 101 are sequentially stacked on the circuit substrate 103; the electromagnetic touch pad 102 and the capacitive touch pad 101 are electrically connected to the circuit substrate 103.
Specifically, the touch panel may be a touch panel on a notebook computer, and the circuit substrate 103 may include a corresponding control circuit, where the control circuit may drive the capacitive touch panel 101, where the circuit substrate may be, for example, a PCB board, and the control circuit is a printed circuit, when a touch occurs, a capacitance of a touch area in the capacitive touch panel 101 changes, and when a finger touches the touch panel, a parasitic capacitance is generated between the finger and an electrode in the capacitive touch panel 101, so that a signal received by the control circuit changes, and the control circuit may detect a touch point position according to the signal change, thereby implementing a finger input. Meanwhile, the control circuit on the circuit substrate 103 can drive the electromagnetic touch panel 102, when the touch panel is touched by an electromagnetic pen, the electromagnetic pen sends out a radio frequency signal, and the electromagnetic touch panel can detect the radio frequency signal and calculate the touch position of the electromagnetic pen, namely the contact position, so that the input of the electromagnetic pen is realized. When the user does not need to perform fine input, such as character input and the like, the user can directly input by using fingers, so that the user can use the keyboard greatly and conveniently; when the user needs to perform fine input, such as drawing operation, the user can input by using an electromagnetic pen; therefore, the touch panel of the embodiment can be input by fingers and can also be input by an electromagnetic pen, so that the practical value of the touch panel is greatly improved, and the application range is expanded.
In the technical solution of this embodiment, the adopted touch panel includes: the touch control panel comprises a capacitive touch control panel, an electromagnetic touch control panel and a circuit substrate; the electromagnetic touch pad and the capacitive touch pad are sequentially stacked on the circuit substrate; the electromagnetic touch pad and the capacitance touch pad are electrically connected with the circuit substrate. The control circuit can drive the capacitance touch control panel and the electromagnetic touch control panel, and the touch control panel of the embodiment can be input by fingers and can also be input by an electromagnetic pen, so that the practical value of the touch control panel is greatly improved, and the application range is expanded.
Optionally, the capacitive touch pad 101 in this embodiment is located on a side of the electromagnetic touch pad 102 close to the touch input of the user, so that it can be ensured that both the touch detection of the capacitive touch pad 101 and the touch detection of the electromagnetic touch pad 102 are accurate; if the electromagnetic touch pad 102 is located on a side of the capacitive touch pad 101 close to the user touch input, when the finger input is performed, the electromagnetic touch pad will seriously affect the parasitic capacitance between the finger and the capacitive touch pad due to the electromagnetic touch pad between the finger and the capacitive touch pad, resulting in poor finger touch detection accuracy.
Optionally, fig. 2 is a schematic structural diagram of a capacitive touch pad provided in the embodiment of the present invention, referring to fig. 2, the capacitive touch pad includes: a first substrate 1011 and a transparent electrode layer; the first substrate 1011 is located on one side of the transparent electrode layer close to the electromagnetic touch panel; the transparent electrode layer is electrically connected to the circuit substrate.
Specifically, as shown in fig. 2, the first substrate 1011 may be a glass substrate, the transparent electrode layer is fixedly connected to the first substrate, the transparent electrode layer may specifically include a first transparent electrode layer 1012 and a second transparent electrode layer 1014, the first transparent electrode layer 1012 and the second transparent electrode layer 1014 may be fixed by an optical adhesive (OCA) 1013, one of the first transparent electrode layer 1012 and the second transparent electrode layer 1014 serves as an emitting electrode, and the other serves as a receiving electrode; the transparent conducting layer can be made of Indium Tin Oxide (ITO), the control circuit in the circuit substrate outputs a driving signal to the transmitting electrode and is received by the receiving electrode, and when finger touch occurs, capacitance between the transmitting electrode and the receiving electrode changes, so that the signal received by the control circuit changes, and the position of the finger touch is detected. The capacitive touch panel in the embodiment is composed of the transparent electrode layer, the transparent electrode layer is thinner than a traditional PCB, the permeability is better, shielding of electromagnetic signals is less, and therefore the detection precision of the electromagnetic touch panel is improved.
Optionally, fig. 3 is a schematic structural diagram of an electromagnetic touch panel according to an embodiment of the present invention, referring to fig. 3, the electromagnetic touch panel includes a second substrate 1021 and a coil induction plate 1022, where the second substrate 1021 is located on a side of the coil induction plate 1022 close to the circuit substrate; the coil inductor plate 1022 is electrically connected to the circuit board.
Specifically, the material of the second substrate 1021 may be ceramic, glass, rubber, or the like; the coil induction board 1022 is fixedly connected with the second substrate 1021, a plurality of coils are arranged on the coil induction board, the control circuit on the circuit substrate can drive the coil induction board to send out radio frequency signals, and the coil induction board can also receive the radio frequency signals from the outside (such as an electromagnetic pen), so that information such as the position, the pressure intensity and the angle of the electromagnetic pen can be identified.
Optionally, with continued reference to fig. 1, the touch panel further includes: a pressing rocker 100, wherein the pressing rocker 100 is positioned on one side of the capacitive touch pad 101 away from the electromagnetic touch pad 102; the pressing rocker 100 is connected to the circuit board.
Illustratively, the pressing rocker can comprise a rocker positioner and a key, wherein the rocker positioner is electrically connected with the control circuit on the circuit substrate; the key can be a key for controlling a rocker to work or not to work, when the key is in a pressed state, the rocker is pressed to start working, a user shakes and presses the rocker, the rocker positioner can send a signal to the control circuit, and the control circuit judges the position of the rocker according to the signal, for example, the position of canvas in drawing work is adjusted according to the position of the rocker; the pressing rocker and the electromagnetic touch control plate work cooperatively, so that the working efficiency can be greatly improved.
Optionally, with continued reference to fig. 1, the touch panel further includes: the insulating film 104, the structural plastic part 105 and the support part 106, wherein the insulating film 104 is positioned on one side of the electromagnetic touch pad far away from the capacitive touch pad; the structural plastic part 105 is positioned on one side of the insulating film 104 away from the electromagnetic touch panel; the support 106 is located on a side of the structural plastic part 105 away from the insulating film 104.
Specifically, the insulating film 104 is fixedly connected with the structural plastic part 105, the structural plastic part 105 is fixedly connected with the supporting part 106, and the insulating film 104 can be used for protecting the circuit substrate 103 and preventing the control circuit in the circuit substrate 103 from short-circuiting and the like; the supporting member 106 may be made of metal, such as iron, and may be configured to have a specific shape according to the specific application of the touch panel, so that the bottom of the circuit substrate 103 is flat and the circuit substrate is prevented from being damaged when pressed; it is understood that the shape of the supporting member 106 is not limited to the shape shown in fig. 1, the structural plastic member 105 may fixedly connect the supporting member 106 and the insulating film 104, and the structural plastic member 105 and the insulating film 104 may have the same shape as the supporting member 106, so as to avoid the excessive material consumption of the supporting member and the increase of the cost.
Fig. 4 is the embodiment of the present invention provides a structural schematic diagram of a notebook computer, refer to fig. 4, an embodiment of the present invention provides a notebook computer including the utility model provides a touch panel also has the same beneficial effect, no longer redundantly here.
Optionally, with continued reference to fig. 4, the notebook computer includes a CPU, and the control circuit is electrically connected to the CPU.
Specifically, the CPU may control the notebook circuit to perform corresponding input, such as controlling left and right clicking and moving of a mouse pointer, controlling accurate drawing operation, and the like, according to the touch position detected by the control circuit.
Optionally, the control circuit is electrically connected to the CPU through USB, SPI or I2C.
Specifically, USB, SPI or I2C etc. all have the stable higher of connection, advantage such as the cost is lower, can improve notebook computer's job stabilization nature on the one hand, but on the other hand reduce cost.
Optionally, the notebook computer may further include an electromagnetic pen, and the electromagnetic touch pad is configured to detect an electric shock parameter of the electromagnetic pen.
Specifically, the contact parameters may include information such as the position of the contact, the nib pressure of the electromagnetic pen, the pen point inclination angle, and the like, so that the fineness of touch input is greatly improved; in other embodiments, the control circuit may further drive the electromagnetic touch pad to transmit wireless energy for charging the electromagnetic pen, so that the electromagnetic pen is miniaturized and the notebook computer is more portable.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. A touch panel, comprising:
a circuit substrate;
the electromagnetic touch pad and the capacitive touch pad are sequentially stacked on the circuit substrate;
the electromagnetic touch pad and the capacitance touch pad are electrically connected with the circuit substrate.
2. The touch panel of claim 1, wherein the capacitive touchpad is located on a side of the electromagnetic touchpad proximate to a user touch input.
3. The touch panel of claim 1,
the capacitive touch panel includes: a first substrate and a transparent electrode layer;
the first substrate is positioned on one side of the transparent electrode layer close to the electromagnetic touch pad;
the transparent electrode layer is electrically connected with the circuit substrate.
4. The touch panel of claim 1,
the electromagnetic touch control panel comprises a second substrate and a coil induction panel;
the second substrate is positioned on one side of the coil induction plate close to the circuit substrate;
the coil induction plate is electrically connected with the circuit substrate.
5. The touch panel according to claim 1, further comprising:
the pressing rocker is positioned on one side of the capacitive touch pad, which is far away from the electromagnetic touch pad;
the pressing rocker is connected with the circuit substrate.
6. The touch panel of claim 5,
the pressing rocker includes:
the rocker positioner is electrically connected with the circuit substrate.
7. The touch panel according to claim 1, further comprising:
an insulating film, a structural plastic part and a support;
the insulating film is positioned on one side of the electromagnetic touch pad far away from the capacitive touch pad;
the structural plastic part is positioned on one side of the insulating film, which is far away from the electromagnetic touch control plate;
the supporting piece is positioned on one side of the structural plastic piece far away from the insulating film.
8. A notebook computer comprising the touch panel according to any one of claims 1 to 7.
9. The notebook computer of claim 8, wherein the notebook computer comprises a CPU, and the circuit substrate is electrically connected to the CPU.
10. The notebook computer of claim 8, further comprising: an electromagnetic pen; the electromagnetic touch control board is used for detecting contact parameters of the electromagnetic pen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020464573.0U CN212112431U (en) | 2020-04-02 | 2020-04-02 | Touch panel and notebook computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020464573.0U CN212112431U (en) | 2020-04-02 | 2020-04-02 | Touch panel and notebook computer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212112431U true CN212112431U (en) | 2020-12-08 |
Family
ID=73635735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020464573.0U Active CN212112431U (en) | 2020-04-02 | 2020-04-02 | Touch panel and notebook computer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212112431U (en) |
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2020
- 2020-04-02 CN CN202020464573.0U patent/CN212112431U/en active Active
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