CN205427771U - Show control circuit and display device - Google Patents
Show control circuit and display device Download PDFInfo
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- CN205427771U CN205427771U CN201620203392.6U CN201620203392U CN205427771U CN 205427771 U CN205427771 U CN 205427771U CN 201620203392 U CN201620203392 U CN 201620203392U CN 205427771 U CN205427771 U CN 205427771U
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Abstract
The utility model provides a show control circuit and display device. Show control circuit show that control circuit includes space gesture recognition unit and indicative control unit, space gesture recognition unit includes millimeter wave signal transceiver module and space gesture detector, the second millimeter wave signal that millimeter wave signal transceiver module first millimeter wave signal of transmission and receive reflection return, space gesture detector is right second millimeter wave signal is handled and is discerned to detect the display panel interior space gesture of preset range on every side, the indicative control unit basis corresponding control operation is carried out to display panel to the space gesture. The utility model discloses a space gesture recognition unit based on the millimeter wave radar technique to can accurately detect the display panel interior space gesture of preset range on every side, not need to set up alone the opening that is not sheltered from in the place ahead and can realize the untouched control to display panel on display device.
Description
Technical field
This utility model relates to Display Technique field, particularly relates to a kind of display control circuit and display device.
Background technology
In the prior art, generally use photographic head or infrared optics technology that display floater is carried out Untouched control, but during owing to the space gesture of user being identified by photographic head and infrared optics technology, the front of photographic head or infrared optics recognition unit can not be blocked, like this just require must to arrange specially on the housing of display device the opening that a front is not blocked could space gesture be identified, affect appearance design, and owing to in-plant space gesture can not accurately be identified by photographic head and infrared optics technology, therefore the highest to the Untouched control degree of accuracy of display floater.
And transparent display rises day by day in the market, bring preferable visual experience, but major part transparent display has simply shown simply, can not bring more preferable Interactive Experience.Although there is also capacitance touching control transparent display in the prior art, the transparent display panel transmitance that capacitance touching control transparent display includes is low, and needs stronger backlight, easily makes this transparent display panel become dirty.
Utility model content
Main purpose of the present utility model is to provide a kind of display control circuit and display device, solve the space gesture that can not accurately detect around display floater in preset range in prior art, and the opening that front is not blocked need to be set on the display apparatus thus the problem affecting appearance design.
In order to achieve the above object, this utility model provides one display control circuit, and for display floater carries out display control, described display control circuit includes space gesture recognition unit and shows control unit, wherein,
Described space gesture recognition unit includes millimeter-wave signal transceiver module and space gesture detector；
Described millimeter-wave signal transceiver module is for launching the first millimeter-wave signal and receiving the second millimeter-wave signal reflected；
Described space gesture detector, is connected with described millimeter-wave signal transceiver module, for described second millimeter-wave signal being processed and identified, with the space gesture detected around described display floater in preset range；
Described display control unit, is connected with described space gesture detector unit, for controlling accordingly to operate to described display floater according to described space gesture.
Concrete, described display floater is transparent display panel.
Concrete, described space gesture detector is additionally operable to identify at least one in the moving direction of space gesture, translational speed, displacement；
Described display floater is controlled accordingly to operate by described display control unit specifically at least one in the moving direction according to space gesture, translational speed, displacement.
Concrete, described millimeter-wave signal transceiver module includes dual-mode antenna；Described space gesture detector includes receiving and transmitting front end module and signal processing module, wherein,
Described receiving and transmitting front end module is for producing the first millimeter-wave signal；
Described dual-mode antenna, is connected with described receiving and transmitting front end module, is used for launching described first millimeter-wave signal, and receives the second millimeter-wave signal reflected；
Described receiving and transmitting front end module, is connected with described dual-mode antenna, is additionally operable to process described second millimeter-wave signal and obtain corresponding intermediate-freuqncy signal；
Described signal processing module, is connected with described receiving and transmitting front end module, for described intermediate-freuqncy signal is amplified, and the space gesture detected around described display floater in preset range according to the intermediate-freuqncy signal after amplifying.
Concrete, the frequency of described intermediate-freuqncy signal is less than or equal to 1 megahertz more than or equal to 5 KHz.
Concrete, described receiving and transmitting front end module includes:
Voltage controlled oscillator, is connected with described dual-mode antenna, for producing described first millimeter-wave signal under the control of outside modulated signal, and this first millimeter-wave signal is sent to described dual-mode antenna；
Frequency mixer, is connected with described dual-mode antenna, carries out being mixed to obtain mixed frequency signal for the second millimeter-wave signal and the local oscillation signal received by described dual-mode antenna；And,
Band filter, is connected with described frequency mixer, for described mixed frequency signal being carried out bandpass filtering treatment, to obtain intermediate-freuqncy signal.
Concrete, described receiving and transmitting front end module also includes: signal isolator, it is connected with described dual-mode antenna, described voltage controlled oscillator and described frequency mixer respectively, for isolating described first millimeter-wave signal and described second millimeter-wave signal, the first millimeter-wave signal from described voltage controlled oscillator is sent to described dual-mode antenna, and the second millimeter-wave signal from described dual-mode antenna is sent to described frequency mixer.
Concrete, described signal processing module includes:
Low-noise preamplifier, is connected with described band filter, for described intermediate-freuqncy signal is carried out low noise amplification；
Automatic gain control amplifier, is connected with described low-noise preamplifier, for the intermediate-freuqncy signal after low noise amplification is carried out automatic growth control amplification；
High gain amplifier, is connected with described automatic gain control amplifier, and the intermediate-freuqncy signal after amplifying automatic growth control carries out plus and blowup；And,
Digital signal processor, it is connected with described automatic gain control amplifier, for the space gesture detected around described display floater in preset range according to the intermediate-freuqncy signal after plus and blowup, identify at least one in the moving direction of space gesture, translational speed, displacement.
This utility model additionally provides a kind of display device, including display floater, also includes above-mentioned display control circuit.
Compared with prior art, display control circuit described in the utility model and display device use space gesture recognition unit based on millimetre-wave radar technology, with the space gesture that can accurately detect around display floater in preset range, even if due to space gesture recognition unit based on millimetre-wave radar technology can be blocked can also detect in preset range for gesture, be therefore not required to be separately provided on the display apparatus, compared to prior art, the opening that front is not blocked and can realize the Untouched control to display floater.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the display control circuit described in this utility model embodiment；
Fig. 2 is the structured flowchart of an embodiment of the space gesture recognition unit that display control circuit described in the utility model includes；
Fig. 3 is the structured flowchart of an embodiment of the receiving and transmitting front end module that the space gesture recognition unit in display control circuit described in the utility model includes；
Fig. 4 is the structured flowchart of another embodiment of the receiving and transmitting front end module that the space gesture recognition unit in display control circuit described in the utility model includes；
Fig. 5 is the structured flowchart of an embodiment of the signal processing module that the space gesture recognition unit in display control circuit described in the utility model includes.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
As it is shown in figure 1, the display control circuit described in this utility model embodiment, for display floater 10 carries out display control, described display control circuit includes space gesture recognition unit 11 and shows control unit 12, wherein,
Described space gesture recognition unit 11 includes millimeter-wave signal transceiver module 101 and space gesture detector 102；
Described millimeter-wave signal transceiver module 101 is used for by launching the first millimeter-wave signal S1, and receives the second millimeter-wave signal S2 reflected；
Described space gesture detector 102, is connected with described millimeter-wave signal transceiver module 101, for described second millimeter-wave signal S2 is processed and identified, with the space gesture detected around described display floater in preset range；And,
Display control unit 12, is connected with described space gesture detector 102, for controlling accordingly to operate to described display floater 10 according to described space gesture.
When described space gesture recognition unit detection space gesture, as example, available input tool (hands (including finger) etc. of such as user) makes space gesture.Described space gesture recognition unit based on millimetre-wave radar technology to detect space gesture, additionally it is possible to simultaneously or in a sequence detect multiple space gesture.
Display control circuit described in this utility model embodiment uses space gesture recognition unit based on millimetre-wave radar technology, with the space gesture that can accurately detect around display floater in preset range, even if due to space gesture recognition unit based on millimetre-wave radar technology can be blocked can also detect in preset range for gesture, be therefore not required to be separately provided on the display apparatus, compared to prior art, the opening that front is not blocked and can realize the Untouched control to display floater.
Technology space gesture being identified relative to existing employing photographic head or infrared ray, display control circuit cost described in this utility model embodiment is relatively low and outward appearance can be made the most brief attractive in appearance, higher relative to the capacity of resisting disturbance of the display device described in other optics non-touch-control mode this utility model embodiments.
The space gesture recognition unit based on millimetre-wave radar technology that display control circuit described in this utility model embodiment includes can be arranged on the edge of display device or each angle according to practical situation, it is not required to the opening separately of the housing to display device, so that the appearance design of display device is more attractive in appearance.
When practical operation, the space gesture that described space gesture recognition unit 11 detects around described display floater in preset range, for example, it is possible to the space gesture that the user within display floater described in detecting distance 1 meter sends, but it is not limited thereto.
In the preferred case, described display floater can be transparent display panel, uses millimetre-wave radar technology that transparent display panel realizes Untouched control and can improve the transmitance of described transparent display panel, and reduces backlight consumption.And transparent display panel need not be contacted and can realize the control of the display to display floater, reduce and transparent display panel is stained or compression type destruction.
In the specific implementation, described space gesture detector can identify at least one in the moving direction of space gesture, translational speed, displacement, and described display floater can be controlled to operate according at least one in the moving direction of described space gesture, translational speed, displacement by described display control unit accordingly.
When practical operation, display control circuit described in this utility model embodiment utilizes the millimetre-wave radar can the feature of accurate tracking identification to close-in target, millimetre-wave radar technology is used to be tracked space gesture identifying, at least one in the signals such as the moving direction of described space gesture, translational speed, displacement is caught, after definition process, user can contact display floater can realize the operation to display floater.
Concrete, as in figure 2 it is shown, described millimeter-wave signal transceiver module can include dual-mode antenna 112；Described space gesture detector can include receiving and transmitting front end module 111 and signal processing module 113, wherein,
Described receiving and transmitting front end module 111 is for producing the first millimeter-wave signal S1；
Described dual-mode antenna 112, is connected with described receiving and transmitting front end module 111, is used for launching described first millimeter-wave signal S1, and receives the second millimeter-wave signal S2 reflected；
Described receiving and transmitting front end module 111, is connected with described dual-mode antenna 112, is additionally operable to process described second millimeter-wave signal S2 and obtain corresponding intermediate-freuqncy signal；
Described signal processing module 113, is connected with described receiving and transmitting front end module 111, for described intermediate-freuqncy signal is amplified, and the space gesture detected around described display floater in preset range according to the intermediate-freuqncy signal after amplifying.
In described space gesture recognition unit is such as the embodiment of Fig. 2, described dual-mode antenna 112 is used for transmitting and the reception of millimeter-wave signal, described receiving and transmitting front end module 111 is the core of the space gesture detector that described space gesture recognition unit includes, main being responsible for produces the first millimeter-wave signal and is demodulated the second millimeter-wave signal received and processes and obtain intermediate-freuqncy signal, and described first millimeter-wave signal is the radiofrequency signal modulated.Described signal processing module 113 is responsible for being amplified the intermediate-freuqncy signal of receiving and transmitting front end module 111 output, the space gesture detected around described display floater in preset range according to the intermediate-freuqncy signal after amplifying.The concrete structure of described receiving and transmitting front end module 111 and the concrete structure of described signal processing module 113 will be discussed in detail in embodiment later.
Concrete, the frequency of described intermediate-freuqncy signal is less than or equal to 1MHz (megahertz) more than or equal to 5KHz (KHz).
As it is shown on figure 3, according to a kind of detailed description of the invention, described receiving and transmitting front end module may include that
Voltage controlled oscillator 31, is connected with described dual-mode antenna 112, for producing described first millimeter-wave signal S1 under the control of outside modulated signal, and sends this first millimeter-wave signal S1 to dual-mode antenna 112；
Frequency mixer 32, is connected with described dual-mode antenna 112, for carrying out being mixed to obtain mixed frequency signal with local oscillation signal by the described second millimeter-wave signal S2 from described dual-mode antenna 112；And,
Band filter 33, is connected with described frequency mixer 32, for described mixed frequency signal being carried out bandpass filtering treatment, to obtain intermediate-freuqncy signal.
Described voltage controlled oscillator 31 produces the first millimeter-wave signal S1 under the control of outside modulated signal, and this first millimeter-wave signal S1 is sent to dual-mode antenna transmitting, the the second millimeter-wave signal S2 received is mixed by described frequency mixer 32 with local oscillation signal, it is filtered processing through band filter 33 again, obtains intermediate-freuqncy signal.
As shown in Figure 4, according to a kind of detailed description of the invention, on the basis of the embodiment shown in Fig. 3, described receiving and transmitting front end module can also include:
Signal isolator 34, it is connected with described dual-mode antenna 112, described voltage controlled oscillator 31 and described frequency mixer 32 respectively, for isolating described first millimeter-wave signal S1 and described second millimeter-wave signal S2, the first millimeter-wave signal S1 from described voltage controlled oscillator 31 is sent to described dual-mode antenna 112, and the second millimeter-wave signal S2 from described dual-mode antenna 112 is sent to described frequency mixer 32.
The embodiment of receiving and transmitting front end module as shown in Figure 4 adds signal isolator 34, the first millimeter-wave signal S1 launched with isolation and the second millimeter-wave signal S2 of reception, it is to avoid produce intermodulation distortion.
As it is shown in figure 5, according to a kind of detailed description of the invention, described signal processing module may include that
Low-noise preamplifier 51, is connected with described band filter (the most not shown band filter), for described intermediate-freuqncy signal is carried out low noise amplification；
Automatic gain control amplifier 52, is connected with described low-noise preamplifier 51, for the intermediate-freuqncy signal after low noise amplification is carried out automatic growth control amplification；
High gain amplifier 53, is connected with described automatic gain control amplifier 52, and the intermediate-freuqncy signal after amplifying automatic growth control carries out plus and blowup；And,
Digital signal processor 54, it is connected with described high gain amplifier 53, for the space gesture detected around described display floater in preset range according to the intermediate-freuqncy signal after plus and blowup, identify at least one in the moving direction of space gesture, translational speed, displacement.
Use described low-noise preamplifier 31 can improve the signal to noise ratio of output, thus improve the performance design of described signal processing module, described automatic gain control amplifier 32 can realize taking in the continuously adjustabe of signal, improves the signal handling capacity of described signal processing module；The intermediate-freuqncy signal that described automatic gain control amplifier 52 is exported by described high gain amplifier 53 carries out plus and blowup, to meet the described digital signal processor 54 amplitude requirement to input signal；The intermediate-freuqncy signal after plus and blowup from described high gain amplifier 53 is processed by described digital signal processor 54, by the relating to of model in software, identify at least one in the moving direction of space gesture, translational speed, displacement, it is achieved the control to display floater.
Display device described in this utility model embodiment, including display floater and above-mentioned display control circuit；
Described display control circuit, is connected with described display floater, for described display floater carries out display control.
The above is preferred implementation of the present utility model; it should be pointed out that, for those skilled in the art, on the premise of without departing from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (9)
1. a display control circuit, for carrying out display control to display floater, it is characterised in that described display control circuit includes space gesture recognition unit and shows control unit, wherein,
Described space gesture recognition unit includes millimeter-wave signal transceiver module and space gesture detector；
Described millimeter-wave signal transceiver module is for launching the first millimeter-wave signal and receiving the second millimeter-wave signal reflected；
Described space gesture detector, is connected with described millimeter-wave signal transceiver module, for described second millimeter-wave signal being processed and identified, with the space gesture detected around described display floater in preset range；
Described display control unit, is connected with described space gesture detector unit, for controlling accordingly to operate to described display floater according to described space gesture.
Show control circuit the most as claimed in claim 1, it is characterised in that described display floater is transparent display panel.
Show control circuit the most as claimed in claim 1, it is characterised in that described space gesture detector is additionally operable to identify at least one in the moving direction of space gesture, translational speed, displacement；
Described display floater is controlled accordingly to operate by described display control unit specifically at least one in the moving direction according to space gesture, translational speed, displacement.
4. the display control circuit as described in any claim in claims 1 to 3, it is characterised in that described millimeter-wave signal transceiver module includes dual-mode antenna；Described space gesture detector includes receiving and transmitting front end module and signal processing module, wherein,
Described receiving and transmitting front end module is for producing the first millimeter-wave signal；
Described dual-mode antenna, is connected with described receiving and transmitting front end module, is used for launching described first millimeter-wave signal, and receives the second millimeter-wave signal reflected；
Described receiving and transmitting front end module, is connected with described dual-mode antenna, is additionally operable to process described second millimeter-wave signal and obtain corresponding intermediate-freuqncy signal；
Described signal processing module, is connected with described receiving and transmitting front end module, for described intermediate-freuqncy signal is amplified, and the space gesture detected around described display floater in preset range according to the intermediate-freuqncy signal after amplifying.
Show control circuit the most as claimed in claim 4, it is characterised in that the frequency of described intermediate-freuqncy signal is less than or equal to 1 megahertz more than or equal to 5 KHz.
Show control circuit the most as claimed in claim 5, it is characterised in that described receiving and transmitting front end module includes:
Voltage controlled oscillator, is connected with described dual-mode antenna, for producing described first millimeter-wave signal under the control of outside modulated signal, and this first millimeter-wave signal is sent to described dual-mode antenna；
Frequency mixer, is connected with described dual-mode antenna, carries out being mixed to obtain mixed frequency signal for the second millimeter-wave signal and the local oscillation signal received by described dual-mode antenna；And,
Band filter, is connected with described frequency mixer, for described mixed frequency signal being carried out bandpass filtering treatment, to obtain intermediate-freuqncy signal.
Show control circuit the most as claimed in claim 6, it is characterized in that, described receiving and transmitting front end module also includes: signal isolator, it is connected with described dual-mode antenna, described voltage controlled oscillator and described frequency mixer respectively, for isolating described first millimeter-wave signal and described second millimeter-wave signal, the first millimeter-wave signal from described voltage controlled oscillator is sent to described dual-mode antenna, and the second millimeter-wave signal from described dual-mode antenna is sent to described frequency mixer.
Show control circuit the most as claimed in claim 7, it is characterised in that described signal processing module includes:
Low-noise preamplifier, is connected with described band filter, for described intermediate-freuqncy signal is carried out low noise amplification；
Automatic gain control amplifier, is connected with described low-noise preamplifier, for the intermediate-freuqncy signal after low noise amplification is carried out automatic growth control amplification；
High gain amplifier, is connected with described automatic gain control amplifier, and the intermediate-freuqncy signal after amplifying automatic growth control carries out plus and blowup；And,
Digital signal processor, it is connected with described automatic gain control amplifier, for the space gesture detected around described display floater in preset range according to the intermediate-freuqncy signal after plus and blowup, identify at least one in the moving direction of space gesture, translational speed, displacement.
9. a display device, including display floater, it is characterised in that also include the display control circuit as described in any claim in claim 1 to 8.
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| CN201620203392.6U CN205427771U (en) | 2016-03-16 | 2016-03-16 | Show control circuit and display device |
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| CN201620203392.6U CN205427771U (en) | 2016-03-16 | 2016-03-16 | Show control circuit and display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017156852A1 (en) * | 2016-03-16 | 2017-09-21 | 京东方科技集团股份有限公司 | Display control circuit, display control method and display device |
| CN110286744A (en) * | 2018-03-19 | 2019-09-27 | 广东欧珀移动通信有限公司 | Information processing method and device, electronic equipment, computer readable storage medium |
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2016
- 2016-03-16 CN CN201620203392.6U patent/CN205427771U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017156852A1 (en) * | 2016-03-16 | 2017-09-21 | 京东方科技集团股份有限公司 | Display control circuit, display control method and display device |
| US10394333B2 (en) | 2016-03-16 | 2019-08-27 | Boe Technology Group Co., Ltd. | Display control circuit, display control method and display device |
| CN110286744A (en) * | 2018-03-19 | 2019-09-27 | 广东欧珀移动通信有限公司 | Information processing method and device, electronic equipment, computer readable storage medium |
| CN110286744B (en) * | 2018-03-19 | 2021-03-30 | Oppo广东移动通信有限公司 | Information processing method and device, electronic equipment and computer readable storage medium |
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