CN103631446B - A kind of optical touch displayer and electronic equipment - Google Patents
A kind of optical touch displayer and electronic equipment Download PDFInfo
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- CN103631446B CN103631446B CN201210303556.9A CN201210303556A CN103631446B CN 103631446 B CN103631446 B CN 103631446B CN 201210303556 A CN201210303556 A CN 201210303556A CN 103631446 B CN103631446 B CN 103631446B
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Abstract
The present invention provides a kind of optical touch displayer and electronic equipment.This optical touch displayer includes: touch-screen display module;Structural panel, is arranged along described touch-screen display module edge, is used for fixing described touch-screen display module;Positioning module, is arranged between described touch-screen display module and described structural panel, and described positioning module is for determining operating body positional information on described touch-screen display module;Ionization device, is connected on described positioning module and described structural panel, for removing the dust on described positioning module.
Description
Technical field
The present invention relates to field of computer technology, particularly relate to a kind of optical touch displayer and electronic equipment.
Background technology
Along with the development of electronic device technology, increasing electronic equipment enters the life of people, various
The electronic equipment of various kinds had become as people's work, live, learn in a critically important part.Especially
There is the appearance of the electronic equipment of touch-screen, facilitate the Working Life of people especially, because touch-screen is being made
While display screen, it is also possible to as input unit, so being greatly reduced the volume of electronic equipment.
At present, using more touch-screen is capacitive touch screen, but relatively costly, so gradually developing
Having gone out optical touch screen, the principle of optical touch screen is simply described below, as it is shown in figure 1, work as finger
30 when being positioned on touch-screen 101, is arranged at upper left first camera head 201 of touch-screen 101 and sets
It is placed in top-right second camera head 202 of touch-screen 101 by shooting the finger 30 figure at touch-screen 101
Picture, then can determine the first angle, θ respectively1With the second angle, θ2, the first angle, θ1Represent that first takes the photograph
As the line between the position at device 201 and described finger 30 place and the first camera head 201 and second are taken the photograph
As the angle between the line between device 202;It is similar to, the second angle, θ2Represent the second camera head 202
And the line between the position at described finger 30 place and the first camera head 201 and the second camera head 202
Between line between angle.Then according to trigonometric function, can calculate the first camera head 201 with
Distance between the position at described finger 30 place, and the second camera head 202 and described finger 30 place
Position between distance, and then the position coordinates at finger 30 place can be calculated.
Refer again to Fig. 2, in order to ensure that the optical alignment of camera head is not interfered, structural panel 401 He
Camera head 201(202) between to retain certain gap d, such as 4.4mm, wherein, in fig. 2,
Touch-screen 101 horizontal positioned, so structural panel 104 and camera head 201(202) the most also level put
Putting, and be side cutaway view, further, structural panel 401 is fixing touch-screen 101 and electronics sets
The shell of other assemblies standby.
But, the present inventor finds during realizing the present invention, prior art have the disadvantages that because of
For design of the prior art, so positioner is easy to be contaminated by dust as camera head, fall
The accuracy rate of low location and precision.
Summary of the invention
The present invention provides a kind of optical touch displayer and electronic equipment, in order to solve existence in prior art
Optical touch displayer in positioner be easily contaminated by dust and cause positioning precision and accuracy rate to reduce
Technical problem.
One aspect of the present invention provides a kind of optical touch displayer, including: touch-screen display module;Knot
Structure panel, is arranged along described touch-screen display module edge, is used for fixing described touch-screen display module;Fixed
Position module, is arranged between described touch-screen display module and described structural panel, and described positioning module is used for
Determine operating body positional information on described touch-screen display module;Ionization device, is connected to institute
State on positioning module and described structural panel, for removing the dust on described positioning module.
Optionally, described ionization device includes: positive electrode, is arranged on described structural panel;Negative electrode,
It is arranged in a preset range of described positioning module;Wherein, it is energized when described positive electrode and described negative electrode
After, produce high voltage, ionize the air around described positioning module, produce anion so that described location
Dust around module is combined with described anion and migrates at described positive electrode.
Optionally, described positioning module is camera, and described negative electrode is arranged on the camera lens of described camera
In one preset range.
Optionally, first that described structural panel is arranged described positive electrode is smooth face, it is simple to deposition
Dust at described positive electrode comes off.
Optionally, described display also includes: detector unit, for detecting the dust on described positioning module
Whether amount reaches a predetermined value;Control unit, for when described amount of dust reaches described predetermined value, controls
One electric supply installation supplies electricity to described ionization device so that described ionization device works to remove described positioning module
On dust.
Optionally, described display is connected to an electric supply installation, when described display works, and described power supply
Device supplies electricity to described ionization device one predetermined amount of time.
Optionally, described display is connected to an electric supply installation, in described display in running order period,
Described electric supply installation continued power gives described ionization device.
Optionally, described touch display also includes a shift knob, supplies electricity to for controlling an electric supply installation
Described ionization device or stop power supply to described ionization device.
Optionally, described display also includes: monitoring means, for monitoring the work shape of described ionization device
State, when described ionization device dust out is complete, shows module displays one information at described touch-screen,
Complete for pointing out user's dust to remove.
Another aspect of the present invention also discloses a kind of electronic equipment, including: main frame;In above-mentioned each technical scheme
The display that arbitrary technical scheme is protected, is electrically connected at described main frame.
The one or more technical schemes provided in the embodiment of the present invention, at least have the following technical effect that or excellent
Point:
One embodiment of the invention is by being arranged on ionization device between positioning module and structural panel, then sharp
With ionization device, the dust on positioner is disposed, consequently, it is possible to positioner would not be because of grey
Dustiness contaminates and causes positioning precision and accuracy rate to decline.
Further, one embodiment of the invention uses positive electrode is set in structural panel side, on positioning module
Negative electrode is set, so after positive electrode and negative electrode are energized, it is possible to produce high voltage, ionize positioning module
Air around, produces anion, so the dust around positioning module is combined and to positive electrode with anion
Place migrates, so just removing the dust on positioning module and around positioning module or greasy dirt, and this removing ash
The simple in construction of dirt, easily realizes.
Further, the side that structural panel arranges positive electrode is also smooth by one embodiment of the invention
Face, be the most conveniently deposited on the dust at positive electrode and come off.
Accompanying drawing explanation
Fig. 1 is the fundamental diagram of optical touch displayer of the prior art;
Fig. 2 is the structure chart of optical touch displayer of the prior art;
Fig. 3 is the structure chart of the optical touch displayer in one embodiment of the invention;
Fig. 4 is the structured flowchart of the electronic equipment in one embodiment of the invention.
Detailed description of the invention
The present invention provides a kind of optical touch displayer and electronic equipment, in order to solve existence in prior art
Optical touch displayer in positioner be easily contaminated by dust and cause positioning precision and accuracy rate to reduce
Technical problem.
Technical scheme in the embodiment of the present invention is to solve above-mentioned technical problem, and general thought is as follows:
By being arranged between positioning module and structural panel by ionization device, ionization device is then utilized to determine
Dust on the device of position is disposed, consequently, it is possible to positioner would not cause because of being contaminated by dust determining
Position precision and accuracy rate decline.
In order to be better understood from technique scheme, below in conjunction with Figure of description and concrete embodiment party
Technique scheme is described in detail by formula.
One embodiment of the invention provides a kind of optical touch displayer, and refer to Fig. 3, Fig. 3 is the present embodiment
In the side cutaway view of optical touch displayer.
As it is shown on figure 3, this optical touch displayer includes: touch-screen display module 110;Structural panel
410, arrange along touch-screen display module 110 edge, be used for fixing touch-screen display module 110;Location mould
Group 210, is arranged between touch-screen display module 110 and structural panel 410, and positioning module 210 is for really
Fixed operating body positional information on touch-screen display module 110;Ionization device 510, it is fixed to be connected to
On position module 210 and structural panel 410, for removing the dust on positioning module 210.
Wherein, touch-screen display module 110 the most specifically can include circuit board, display floater, touches
Template, generally will also include a glass plate, can increase operating body and grasp on touch-screen display module 110
Fluency when making and smoothness, it is also possible to protection touch pad, so in the present embodiment, positioner 210
Can be specifically to be set directly at above glass plate, operating body be also that face directly operates on a glass.
Wherein, in the present embodiment, positioning module 210 is specially camera, and quantity is at least two, if
Put the corner at touch-screen display module 110.
Wherein, structural panel 410 can be plastics, it is also possible to is metal, certainly, implements at other
In example, it is also possible to be the structural panel of other materials.
Please continue to refer to Fig. 3, ionization device 510 includes positive electrode, is arranged on structural panel 410;Negative electricity
Pole, is arranged in a preset range of positioning module 210;Wherein, after positive electrode and negative electrode are energized,
Produce high voltage, the air around ionization positioning module 210, produce anion so that positioning module 210
Dust around is combined with anion and migrates at positive electrode, and then dust or greasy dirt the most first can be deposited on knot
On structure panel 410.Wherein, negative electrode is arranged at a preset range of positioning module 210, is being embodied as
During, can be to be placed directly within positioning module 210, as long as not affecting the position of the location to operating body
All can, it can in addition contain be set directly at touch-screen display module 110 on, can be distance camera mirror
In the certain distance of head, such as in 1cm, if the dust guaranteeing to dispose on the camera lens of camera or
Greasy dirt.Wherein, high-tension scope can be at 1 kilovolt to 8 kilovolt, the high electricity in the range of this
Pressure all has the energy of air ionization.
In other embodiments, ionization device 510 can also is that other form, as long as mould can will be positioned
Dust in group 210 is removed and is belonged to the scope that the present invention to be protected.
Further, in the present embodiment, first that structural panel 410 arranges positive electrode is smooth face,
It is easy to be deposited on the dust at positive electrode come off, because the optical touch displayer included in the present embodiment
Electronic installation, such as all-in-one, independent display or intelligent television, all hold up the when of use
Place, i.e. in Fig. 3, total and horizontal plane have an angle, so can be heavy due to Action of Gravity Field
Amass the dust at positive electrode to drop towards gravity direction, remotely located device 210.Even if mean level is put
The electronic equipment put, such as panel computer or mobile phone, electronic equipment can often be holded up, just by user
Drop in dust.
In another embodiment, in order to economize on resources, reducing energy consumption, this display also includes a detector unit,
Whether the dust two on detection and location module 210 reaches a predetermined value;Also include a control unit, use
In time reaching predetermined value when amount of dust, control an electric supply installation and supply electricity to ionization device 510 so that ionization device
510 work are to remove the dust on positioning module 210.
Specifically, detector unit can be dust concentration measuring instrument, it is also possible to be dust instrument, when measure
Result represents when the amount of dust on positioning module 210 has reached a predetermined value, just sends a signal to control
Unit, this control unit is such as arranged on the circuit board of this display, and then this control unit just sends letter
Number give an electric supply installation so that electric supply installation supplies electricity to ionization device 510, then after ionization device 510 energising,
Enter duty to remove the dust on positioning module 210.
In another embodiment, when detector unit detection amount of dust has reached a predetermined value, a letter is sent
Number giving control unit, control unit, when receiving this signal, controls on touch-screen display module 110 aobvious
Show an information, be used for pointing out user this cleaning dust, after user confirms, the control of this display
Unit processed will receive cleaning instruction, and then transmission control signal is to electric supply installation, and then electric supply installation supplies
Supply electricity to ionization device 510.
In another embodiment, this display is connected to an electric supply installation, when this display works, and power supply
Device supplies electricity to ionization device 510 1 predetermined amount of time.
Specifically, e.g. in the moment of display starting, electric supply installation supplies to other assemblies of this display
While electricity, also supplying electricity to ionization device 510, moment produces high voltage pole weak current, and each booting moment opens
Close after dynamic at once.The realization of concrete power supply circuits can be electric supply installation and ionization device 510 it
Between a switch is set, this switch can only close at each booting moment so that electric supply installation can supply electricity to
Ionization device 510, then just disconnected after such as 1 second, and certainly, this time can enter according to actual needs
Row is arranged, and with specifically chosen switch is relevant.
Consequently, it is possible to both the dust on positioning module 210 can be disposed, it is also possible to economize on electricity as far as possible.
In another embodiment, display is connected to an electric supply installation, in display in running order period,
Electric supply installation continued power is to ionization device 510.
Specifically, it is simply that between electric supply installation and ionization device 510, have power supply circuits, as long as showing
Device start shooting subsequently into duty, electric supply installation with regard to continued power to ionization device 510 so that this display
In the course of the work, ionization device 510 is the most in running order, so positioning module 210 is in all the time
One dustless state, so not interfering with positioning precision and the accuracy rate of positioning module 210, so user exists
During use, will not be forbidden to cause operation failure or maloperation because of location, so Consumer's Experience is good.
In another embodiment, this display is additionally provided with shift knob, supplies for controlling an electric supply installation
Supply electricity to ionization device 510 or stop power supply to ionization device 510.
Specifically, being provided with a mechanical button on structural panel 410, this mechanical button is connected to this
Electric supply installation, when this button is pressed, has been switched on the circuit between electric supply installation and ionization device 510
Path, then ionization device 510 just energising is started working, and is purged the dust on positioning module 210.
User can be reached by pressing this button, is purged dust.
It addition, the shift knob in this embodiment can be used in combination with above-mentioned detector unit, i.e. single when detection
When unit's detection amount of dust has reached a predetermined value, sending a signal to control unit, control unit is connecing
When receiving this signal, control on the display unit of this display, show an information, when user feels to need
Time to be removed, it is possible to press this shift knob, it is switched between electric supply installation and ionization device 510
Circuit pathways, then ionization device 510 just energising is started working, and is purged the ash on positioning module 210
Dirt.
In another embodiment, this display also includes monitoring means, for monitoring the work of ionization device 510
Make state, when ionization device 510 dust out is complete, touch-screen display module 110 shows that one carries
Show information, be used for pointing out user's dust to remove complete.
Specifically, this monitoring means can monitor whether ionization device 510 is in "on" position, if it is,
That represents also at dust out, if being become off-position from "on" position, then it represents that clean out,
At this moment monitoring means can send a signal to the processor of this display, and processor controls to show at touch-screen
Showing an information on module 110, user just can know and current understand situation.
In another embodiment, this monitoring means can also be the detector unit in previous embodiment, such as may be used
To be dust concentration measuring instrument, it is also possible to be dust instrument, can be by the dust on detection and location module 210
Amount, when detection obtains amount of dust less than a preset value, determines that ionization device 510 need not work, institute
Just to send a signal to the processor of this display, this processor controls to show module 110 at touch-screen
Upper display one information, prompting user's dust has been removed complete.
Further, after user sees this information, can be disconnected by the shift knob in above-described embodiment
Power supply circuits between electric supply installation and ionization device 510, stop dust out.
Various embodiments above can be used in conjunction with one another, and those skilled in the art can select to implement according to actual needs
Combination between example.
Also providing for a kind of electronic equipment in another embodiment of the present invention, refer to Fig. 4, this electronic equipment includes:
Main frame 401 and display 402, display 402 is electrically connected at main frame 401;Wherein, display 402 is
Optical touch displayer in foregoing embodiments.
This electronic equipment for example, all-in-one, independent display or intelligent television, panel computer or mobile phone.
In foregoing embodiments, optical touch displayer is described in detail, and the present embodiment
In electronic equipment include the optical touch displayer of previous embodiment, so optical profile type being touched by aforementioned
Touching the detailed description of display, those skilled in the art can be apparent from how implementing the electricity in the present embodiment
Subset, succinct for specification, do not repeat them here.
The one or more technical schemes provided in the embodiment of the present invention, at least have the following technical effect that or excellent
Point:
One embodiment of the invention is by being arranged on ionization device between positioning module and structural panel, then sharp
With ionization device, the dust on positioner is disposed, consequently, it is possible to positioner would not be because of grey
Dustiness contaminates and causes positioning precision and accuracy rate to decline.
Further, one embodiment of the invention uses positive electrode is set in structural panel side, on positioning module
Negative electrode is set, so after positive electrode and negative electrode are energized, it is possible to produce high voltage, ionize positioning module
Air around, produces anion, so the dust around positioning module is combined and to positive electrode with anion
Place migrates, so just removing the dust on positioning module and around positioning module or greasy dirt, and this removing ash
The simple in construction of dirt, easily realizes.
Further, the side that structural panel arranges positive electrode is also smooth by one embodiment of the invention
Face, be the most conveniently deposited on the dust at positive electrode and come off.
Obviously, those skilled in the art can carry out various change and modification without deviating from this to the present invention
Bright spirit and scope.So, if the present invention these amendment and modification belong to the claims in the present invention and
Within the scope of its equivalent technologies, then the present invention is also intended to comprise these change and modification.
Claims (9)
1. an optical touch displayer, it is characterised in that including:
Touch-screen display module;
Structural panel, is arranged along described touch-screen display module edge, is used for fixing described touch-screen display mould
Group;
Positioning module, is arranged between described touch-screen display module and described structural panel, described location mould
Group is for determining operating body positional information on described touch-screen display module;
Ionization device, is connected on described positioning module and described structural panel, and it is described fixed to be used for removing
Dust on the module of position;
Wherein, described ionization device includes:
Positive electrode, is arranged on described structural panel;
Negative electrode, is arranged in a preset range of described positioning module;Wherein, when described positive electrode and institute
After stating negative electrode energising, generation scope is 1 kilovolt to 8 kilovolts high voltage, ionizes around described positioning module
Air, produce anion so that the dust around described positioning module is combined and to institute with described anion
State and migrate at positive electrode.
2. display as claimed in claim 1, it is characterised in that described positioning module is camera, institute
State in a preset range of the camera lens that negative electrode is arranged on described camera.
3. display as claimed in claim 1, it is characterised in that arrange on described structural panel described just
First of electrode is smooth face, it is simple to is deposited on the dust at described positive electrode and comes off.
4. display as claimed in claim 1, it is characterised in that described display also includes:
Whether detector unit, reach a predetermined value for the amount of dust detected on described positioning module;
Control unit, for when described amount of dust reaches described predetermined value, controls an electric supply installation and supplies electricity to
Described ionization device so that the work of described ionization device is to remove the dust on described positioning module.
5. display as claimed in claim 1, it is characterised in that described display is connected to for Denso
Putting, when described display works, described electric supply installation supplies electricity to described ionization device one predetermined amount of time.
6. display as claimed in claim 1, it is characterised in that described display is connected to for Denso
Putting, in described display in running order period, described electric supply installation continued power gives described ionization device.
7. display as claimed in claim 1, it is characterised in that described touch display also includes out
Close button, supply electricity to described ionization device for controlling an electric supply installation or stop power supply to described ionization device.
8. display as claimed in claim 1, it is characterised in that described display also includes:
Monitoring means, for monitoring the duty of described ionization device, when described ionization device dust out
Time complete, show module displays one information at described touch-screen, be used for pointing out user's dust to remove
Finish.
9. an electronic equipment, it is characterised in that including:
Main frame;
Display as described in any one of claim 1-8, is electrically connected at described main frame.
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CN201210303556.9A CN103631446B (en) | 2012-08-23 | 2012-08-23 | A kind of optical touch displayer and electronic equipment |
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CN201210303556.9A CN103631446B (en) | 2012-08-23 | 2012-08-23 | A kind of optical touch displayer and electronic equipment |
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CN103631446B true CN103631446B (en) | 2016-08-17 |
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TWI667603B (en) * | 2018-08-13 | 2019-08-01 | 友達光電股份有限公司 | Display device and displaying method |
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JP2009047987A (en) * | 2007-08-21 | 2009-03-05 | Sharp Corp | Display |
CN102298471A (en) * | 2009-03-06 | 2011-12-28 | 孙倩倩 | Optical touch screen |
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