CN206411628U - A kind of capacitance pen and touch control display apparatus - Google Patents
A kind of capacitance pen and touch control display apparatus Download PDFInfo
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- CN206411628U CN206411628U CN201621024196.9U CN201621024196U CN206411628U CN 206411628 U CN206411628 U CN 206411628U CN 201621024196 U CN201621024196 U CN 201621024196U CN 206411628 U CN206411628 U CN 206411628U
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Abstract
The application provides a kind of capacitance pen and touch control display apparatus, so that capacitance pen can be operated under without battery, and can avoid the battery that capacitance pen is used pollution on the environment when discarded.The application, which provides capacitance pen, to be included：Include in the control unit to the touch control operation of touch-control display panel, described body also including for controlling nib to realize in nib and a body, described body：It is wireless to receive electric part, change into alternating current for receiving radio magnetic wave signal, and by the radio magnetic wave signal；Rectifying and wave-filtering part, for the direct current for using the AC conversion into being worked for the control unit.
Description
Technical Field
The application relates to the field of touch display, in particular to a capacitive pen and a touch display device.
Background
With the development of electronic and communication technologies, a touch pen is required to replace a keyboard or a finger to touch an operation screen of various terminals, for example, a touch pen is frequently configured in mobile phones and computers to input information. As one of the touch pens, a capacitive pen is increasingly used in various electronic devices. The capacitive pen is a pen which is made of a conductor material, has a conductive characteristic and is used for touch control of the capacitive screen to complete man-machine interaction operation.
The capacitance pen mainly comprises an active capacitance pen and a passive capacitance pen. The active capacitance pen utilizes the chip to send signals to enable the capacitance screen to judge relevant coordinates, and strength of a user when the capacitance pen is used can be measured, so that handwriting recognition is achieved.
However, the existing active capacitive pen needs to obtain energy from a battery, and a specific waveform is generated by using a circuit inside the active capacitive pen to drive the capacitive screen, so that the capacitive screen can receive a signal of the pen even though the coupling area is small. The capacitance pen using the battery is usually required to be replaced or charged after being used for a period of time, the using process is complicated, and in addition, the replaced waste battery can cause environmental pollution.
SUMMERY OF THE UTILITY MODEL
The application provides a capacitance pen and touch display device to make the capacitance pen can work under no battery, and can avoid the battery that the capacitance pen used to the pollution that the environment caused when abandonment.
The embodiment of the application provides a capacitance pen, include: nib and body, including being used for controlling the nib to realize the control unit to touch-control display panel's touch-control operation in the body, still include in the body:
the wireless receiving part is used for receiving a wireless electromagnetic wave signal and converting the wireless electromagnetic wave signal into alternating current;
and the rectifying and filtering part is connected with the wireless receiving part and the control part and is used for converting the alternating current into direct current for the operation of the control part.
The capacitor pen that this application embodiment provided is provided with radio receiving part and rectification filtering part, wherein, radio receiving part can receive the wireless electromagnetic wave of external transmission to convert the electromagnetic wave signal of receiving to the alternating current, and can convert the alternating current to the used direct current of capacitor pen work through rectification filtering part, and then can make the capacitor pen realize working under the battery-free, avoid the battery that the capacitor pen used to the pollution that the environment caused when abandonment.
Preferably, the wireless receiving section receives the wireless electromagnetic wave signal in particular by means of magnetic coupling resonance.
According to the capacitive pen, the wireless receiving part receives the wireless electromagnetic waves in a magnetic coupling resonance mode, so that the capacitive pen can receive medium and long distance wireless electromagnetic wave signals, and the capacitive pen has high wireless electromagnetic wave receiving efficiency.
Preferably, a spring and a pressure sensing component are further arranged in the pen body; wherein,
the spring is used for transmitting the pressure of the pen point to the pressure sensing component;
the pressure sensing component is connected with the control component and is used for transmitting the pressure to the control component;
the control component is specifically used for enabling the touch display panel to display the handwriting with different thicknesses after the pen point clicks the touch display panel according to the pressure.
Preferably, the capacitance pen further comprises: and the first button and the second button are arranged on the pen body and connected with the control part.
Preferably, the control component is further used for controlling the capacitive pen to start or stop working when the first button is pressed.
Preferably, the control unit is further configured to control a display page of the touch display panel to turn a page when the second button is pressed.
The embodiment of the application provides a touch display device, which comprises a touch display panel and a capacitive pen.
Preferably, the touch display panel includes: the touch control display screen and the touch control panel are used for providing the wireless electromagnetic wave signals for the capacitance pen.
Preferably, the touch control panel includes:
the touch control component is used for outputting an alternating current signal;
a power amplification unit for amplifying the alternating current signal;
and the wireless power generation component is used for converting the amplified alternating current signal into a wireless electromagnetic wave signal and outputting the wireless electromagnetic wave signal.
Preferably, the wireless power generation means outputs the wireless electromagnetic wave signal by means of magnetic coupling resonance.
Drawings
Fig. 1 is a schematic structural diagram of a capacitance pen according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a capacitance pen provided with a pressure sensing component and a spring according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a capacitance pen provided with a first button and a second button according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a touch display device according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a touch display panel provided with a dc-to-dc component according to an embodiment of the present disclosure.
Detailed Description
The following describes in detail the implementation process of the embodiments of the present application with reference to the drawings of the specification. It should be noted that the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
As shown in fig. 1, an embodiment of the present application provides a capacitive pen, including: a pen tip 11 and a pen body 12, a wireless receiving part 121, a rectifying and smoothing part 122 connected to the wireless receiving part 121, and a control part 123 connected to the rectifying and smoothing part 122 are provided in the pen body 12, wherein,
the wireless receiving part 121 is used for receiving a wireless electromagnetic wave signal, converting the received wireless electromagnetic wave signal into alternating current, and transmitting the alternating current to the rectifying and filtering part 122;
a rectifying and filtering component 122 is connected to the wireless receiving component and the control component for converting the alternating current into direct current for the operation of the control component 123.
The capacitive pen provided by the embodiment of the application is provided with the wireless receiving part 121 and the rectifying and filtering part 122, wherein the wireless receiving part 121 can receive wireless electromagnetic waves sent from the outside, the received electromagnetic wave signals are converted into alternating current, the alternating current can be converted into direct current used for the capacitive pen to work through the rectifying and filtering part 122, the capacitive pen can work without a battery, and the pollution to the environment caused by the battery used by the capacitive pen when the battery is discarded can be avoided.
In implementation, the wireless receiving component 121 may specifically receive a wireless electromagnetic wave by magnetically coupled resonance. When receiving the wireless electromagnetic wave in the magnetic coupling resonance manner, the wireless receiving component 121 may specifically include a receiving coil, and a transmitting coil is disposed on a transmitting side, so that the transmitting coil transmits the electromagnetic wave with the same natural frequency as the receiving coil, thereby enabling the wireless receiving component 121 provided in the embodiment of the present application to receive the wireless electromagnetic wave signal in the magnetic coupling resonance manner. When the wireless electromagnetic wave signals are received in a magnetic coupling resonance mode, the capacitance pen provided by the embodiment of the application can receive the wireless electromagnetic wave signals at medium and long distances, and the capacitance pen can have high wireless electromagnetic wave receiving efficiency.
It should be noted that the control component 123 itself can send a signal, so that the touch screen can sense the position of the capacitive pen, and the purpose of the capacitive pen provided in the embodiment of the present application, in which the wireless receiving component 121 receives the wireless electromagnetic wave signal, is mainly to supply power to the capacitive pen, so that the capacitive pen can realize normal operation in a powered state. Regarding the process that the active capacitive pen sends the signal through the control component, which enables the touch screen to sense the capacitive pen, reference may be made to the working process of the active capacitive pen in the prior art, which is not described herein again.
In a specific implementation, as shown in fig. 2, a pressure sensing component 124 may be further disposed in the pen body 12, and the pressure sensing component 124 is connected to the control component 123 and connected to the pen tip 11 through a spring 125, where the spring 125 is used to transmit the pressure of the pen tip 11 to the pressure sensing component 124; the pressure sensing component is connected with the control component and used for transmitting the pressure to the control component. In this embodiment, when pressure sensing part 124 is set up in the capacitive pen, control part 123 is still used for according to the pressure that pressure sensing part 124 sensed, realizes making touch display panel show the handwriting of different thickness after nib 11 clicks touch display panel.
Preferably, as shown in fig. 3, the capacitive pen may further include a first button 126 and a second button 127 on the pen body 12, and both the first button 126 and the second button 127 are connected to the control part 123. The specific functions of the first button 126 and the second button 127 can be flexibly set according to requirements, for example, the first button 126 can be set as a switch button for controlling the capacitive pen to start or stop working, and in particular, the control part 123 is also used for controlling the capacitive pen to start or stop working when the first button 126 is used for receiving pressure. The second button 127 may be configured to be a button for controlling a display page of the touch screen to perform a page turning operation, and specifically, the control unit 123 is further configured to control the display page of the touch display panel to perform a page turning operation when the second button 127 is pressed.
As shown in fig. 4, an embodiment of the present application provides a touch display device, which includes a touch display panel 2 and a capacitive pen provided in the embodiment of the present application. The touch display panel 2 may specifically include a touch display screen 21 and a touch control panel 22 for providing a radio electromagnetic wave signal to the capacitive stylus.
In particular, the touch control panel 22 may include: the touch control unit 221, a power amplification unit 222 connected to the touch control unit 221, and a wireless power generation unit 223 connected to the power amplification unit 222.
The touch control unit 221 is configured to output an ac signal.
The power amplification unit 222 amplifies the ac signal and transmits the amplified ac signal to the wireless power generation unit 223.
The wireless power generating component 223 is used for converting the amplified ac power signal into a wireless electromagnetic wave signal, and then transmitting the wireless electromagnetic wave signal to the wireless power receiving component 121 of the capacitance pen.
In specific implementation, the touch control unit 221 may be set by online programming to output ac power with adjustable frequency and amplitude, and then may obtain dc power with different voltage values when passing through the rectifying and filtering unit of the capacitance pen, so that the display device may be used by capacitance pens with different operating voltage values, and has a wider application range. Of course, for the touch control unit 221 of the touch display panel 2 provided in the embodiment of the present application, it may output an ac electrical signal for use by the capacitive pen provided in the embodiment of the present application, and it also has a function of the touch control unit of a general touch display panel, that is, it may also control the touch display screen to implement the functions of touch control and image display, which are not described herein again. For the wireless power generating part 223, it can be transmitted to the wireless power receiving part 121 of the capacitance pen by means of magnetic coupling resonance. The touch control panel of the embodiment of the present application may further include a wireless power generation component 223, which is a sending end of the capacitive pen for charging through wireless electromagnetic waves, and specifically includes a sending coil, where the sending coil sends electromagnetic waves with the same natural frequency as the receiving coil of the capacitive pen, so that the wireless power generation component 223 provided in the embodiment of the present application can send wireless electromagnetic waves to the wireless power generation component 123 of the capacitive pen through magnetic coupling resonance.
Specifically, since the touch display panel 2 is usually powered and transmits signals through the USB interface, and the power supply voltage of the USB interface is usually a certain preset voltage value, as shown in fig. 5, for the touch display panel 2, a dc/dc component 224 may be further provided for converting the preset voltage value received through the USB interface into a required voltage for the touch control component 221 to operate, for example, specifically, the dc/dc component 224 may convert a 5V voltage provided by the USB interface into a 3.3V working voltage required by the touch control component 221.
To sum up, the capacitance pen provided by the embodiment of the present application is provided with the wireless receiving component 121 and the rectifying and filtering component 122, wherein the wireless receiving component 121 can receive wireless electromagnetic waves sent from the outside, convert received electromagnetic wave signals into alternating current, and convert the alternating current into direct current used for the work of the capacitance pen through the rectifying and filtering component 122, so that the capacitance pen can work without a battery, and the pollution to the environment caused by the battery used by the capacitance pen when the battery is discarded is avoided.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (8)
1. A touch display device comprising a touch display panel and a capacitive pen, wherein the touch display panel comprises: the touch control display screen is used for providing a wireless electromagnetic wave signal to the capacitance pen; the touch control panel includes:
the touch control component is used for outputting alternating current signals with adjustable frequency and amplitude;
a power amplification unit for amplifying the alternating current signal;
and the wireless power generation component is used for converting the amplified alternating current signal into a wireless electromagnetic wave signal and outputting the wireless electromagnetic wave signal.
2. Touch display device according to claim 1, wherein the wireless power generation means outputs the wireless electromagnetic wave signal in particular by means of magnetic coupling resonance.
3. The touch display device of claim 1, wherein the capacitive stylus comprises: nib and body, including being used for controlling the nib to realize the control unit to touch-control display panel's touch-control operation in the body, still include in the body:
the wireless receiving part is used for receiving a wireless electromagnetic wave signal and converting the wireless electromagnetic wave signal into alternating current;
and the rectifying and filtering part is connected with the wireless receiving part and the control part and is used for converting the alternating current into direct current for the operation of the control part.
4. The touch display device of claim 3, wherein the wireless receiving component receives the wireless electromagnetic wave signal in particular by way of magnetic coupling resonance.
5. The touch display device of claim 3, wherein a spring and a pressure sensing member are further disposed in the pen body; wherein,
the spring is used for transmitting the pressure of the pen point to the pressure sensing component;
the pressure sensing component is connected with the control component and is used for transmitting the pressure to the control component;
the control component is specifically used for enabling the touch display panel to display the handwriting with different thicknesses after the pen point clicks the touch display panel according to the pressure.
6. The touch display device of claim 3, wherein the capacitive stylus further comprises: and the first button and the second button are arranged on the pen body and connected with the control part.
7. The touch display device of claim 6, wherein the control unit is further configured to control the capacitive stylus to start operating or stop operating when the first button is pressed.
8. The touch display device of claim 6, wherein the control unit is further configured to control the display page of the touch display panel to be turned when the second button is pressed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621024196.9U CN206411628U (en) | 2016-08-31 | 2016-08-31 | A kind of capacitance pen and touch control display apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621024196.9U CN206411628U (en) | 2016-08-31 | 2016-08-31 | A kind of capacitance pen and touch control display apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN206411628U true CN206411628U (en) | 2017-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621024196.9U Expired - Fee Related CN206411628U (en) | 2016-08-31 | 2016-08-31 | A kind of capacitance pen and touch control display apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111290665A (en) * | 2020-05-12 | 2020-06-16 | 深圳市汇顶科技股份有限公司 | Pressure detection method and device, active pen, touch chip and electronic equipment |
| WO2021226838A1 (en) * | 2020-05-12 | 2021-11-18 | 深圳市汇顶科技股份有限公司 | Pressure detection method, device, active stylus, and touch control chip, and electronic apparatus |
-
2016
- 2016-08-31 CN CN201621024196.9U patent/CN206411628U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111290665A (en) * | 2020-05-12 | 2020-06-16 | 深圳市汇顶科技股份有限公司 | Pressure detection method and device, active pen, touch chip and electronic equipment |
| WO2021226838A1 (en) * | 2020-05-12 | 2021-11-18 | 深圳市汇顶科技股份有限公司 | Pressure detection method, device, active stylus, and touch control chip, and electronic apparatus |
| US11614812B2 (en) | 2020-05-12 | 2023-03-28 | Shenzhen GOODIX Technology Co., Ltd. | Method and apparatus for pressure detection, active pen, touch control chip, and electronic device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170815 |
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| CF01 | Termination of patent right due to non-payment of annual fee |