CN107122076A - Optical-touched screen and its manufacture method - Google Patents
Optical-touched screen and its manufacture method Download PDFInfo
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- CN107122076A CN107122076A CN201710297025.6A CN201710297025A CN107122076A CN 107122076 A CN107122076 A CN 107122076A CN 201710297025 A CN201710297025 A CN 201710297025A CN 107122076 A CN107122076 A CN 107122076A
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- display
- layer
- touch
- photoinduction
- optical
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention provides a kind of optical-touched screen and its manufacture method, the optical-touched screen includes a display, photoinduction layer and a processor, and the photoinduction layer is arranged at the surface of the display, for receiving touch-control light and producing electric signal；The processor is electrically connected with photoinduction layer and the display, and for handling the electric signal, the display is fed back to by the position of touch-control light irradiation, and by the position with the surface for knowing the display.The change in electric situation produced before and after touch-control light is received based on photoinduction layer and determines position of the touch-control light irradiation on photoinduction layer, and then the function of touch control display correspondence position, whole touch-control process is used as touch medium using light, touch-control process is more accurate, and the light of distance selection respective wavelength that can be according to needed for remote control carries out realizing Remote as touch-control light.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of optical-touched screen and its manufacture method.
Background technology
With the development of science and technology, display screen developing direction develops with thin, soft, big direction, large-sized display screen exists
Also enjoy great popularity on the market, the function of TV is also more and more intelligent, so interface remote of the consumer to large scale display screen
Touch-control demand also can be with increase, but current control mainly passes through remote control, or contact is touched to realize, only can be real
Existing short-range touch-control, it is difficult to realize long-range touch controllable function.
In view of the above-mentioned problems, those skilled in the art are researching and developing the display screen of long-range touch-control to meet the need of consumer always
Ask.
The content of the invention
It is an object of the invention to provide a kind of optical-touched screen and its manufacture method, do not applied to solving existing display screen
The problem of long-range touch-control.
In order to solve the above technical problems, the present invention provides a kind of optical-touched screen, the optical-touched screen includes：
One display；
One photoinduction layer, is arranged at the surface of the display, for receiving touch-control light and producing electric signal；
One processor, is electrically connected with photoinduction layer and the display, for handling the electric signal, to know
State the surface of display and feed back to the display by the position of touch-control light irradiation, and by the position.
Optionally, in described optical-touched screen, the processor includes：Communication interface, call unit, memory cell；
The communication interface is electrically connected with photoinduction layer and the display, for realizing the photoinduction layer and institute
State the communication of display and processor；
Be stored with the relation table of coordinate position in precalculated position and a mapping graph for photoinduction layer in the memory cell, institute
State photoinduction layer each position it is corresponding with a coordinate position of the mapping graph, each position of the mapping graph with it is described
Coordinate position correspondence in display；
The electric signal that the call unit is produced according to the photoinduction layer of reception, judges touch-control light irradiation in the light
The precalculated position of inductive layer, finds the coordinate position in mapping graph corresponding with the precalculated position from the relation table,
Coordinate position in the mapping graph found is mapped in the coordinate position of the display, and by the seat of the display found
Cursor position feeds back to the display.
Optionally, in described optical-touched screen, the matching communication modes of the communication interface of the processor include
ZigBee, PLC or RS485.
Optionally, in described optical-touched screen, the photoinduction layer includes：Photoresponsive layer and piezoelectric layer；
The photoresponsive layer is arranged at the surface of the piezoelectric layer, for receiving touch-control light and receiving touch-control light in correspondence
Position produce deformation；
The piezoelectric layer is arranged at the surface of the display screen, and the piezoelectric layer includes some piezoelectric membranes, if dry-pressing
Conductive film collectively covers the surface of the display screen, the deformation of the position of each piezoelectric membrane sensing correspondence photoresponsive layer with
Electric signal is produced, and the processor is given by the electric signal transmission.
Optionally, in described optical-touched screen, the material of the photoresponsive layer is photo-deformable material.
Optionally, in described optical-touched screen, the piezoelectric membrane is polyvinylidene difluoride membrane.
Optionally, in described optical-touched screen, when the precalculated position on the surface of the photoinduction layer receives touch-control light,
There is change in the electric signal that the precalculated position is produced；The precalculated position on the surface of the photoinduction layer does not receive touch-control light
When, the electric signal that the precalculated position is produced is stable.
Optionally, in described optical-touched screen, in addition to cushion；
The cushion is arranged between the display and photoinduction layer, for protecting the display.
Optionally, in described optical-touched screen, the photoinduction layer is bound to the display by flexible PCB
Surface.
The present invention also provides a kind of manufacture method of optical-touched screen, comprises the following steps：
One display and a processor are provided；
Photoinduction layer is formed on the surface of the display, the photoinduction layer is used to receive touch-control light and produces telecommunications
Number；
The processor is electrically connected with photoinduction layer and the display, the processor handles the telecommunications
Number, the display is fed back to by the position of touch-control light irradiation, and by the position with the surface for knowing the display.
In optical-touched screen provided by the present invention and its manufacture method, the optical-touched screen includes a display, a light
Inductive layer and a processor, the photoinduction layer are arranged at the surface of the display, for receiving touch-control light and producing electricity
Signal；The processor is electrically connected with photoinduction layer and the display, for handling the electric signal, described to know
The surface of display feeds back to the display by the position of touch-control light irradiation, and by the position.Received based on photoinduction layer
The change in electric situation produced before and after touch-control light determines position of the touch-control light irradiation on photoinduction layer, and then touch control display
The function of correspondence position, whole touch-control process is using light as touch medium, and touch-control process is more accurate, can be according to needed for remote control
Distance selection respective wavelength light as touch-control light carry out realize Remote.
Brief description of the drawings
Fig. 1 is the structural representation of optical-touched screen in one embodiment of the invention；
Fig. 2 is the flow chart of the manufacture method of the optical-touched screen of one embodiment of the invention.
In Fig. 1：Display -1；Photoinduction layer -2；Photoresponsive layer -20；Piezoelectric layer -21；Processor -3；Cushion -4.
Embodiment
Further detailed is made to optical-touched screen proposed by the present invention and its manufacture method below in conjunction with the drawings and specific embodiments
Describe in detail bright.According to following explanation and claims, advantages and features of the invention will become apparent from.It should be noted that, accompanying drawing is equal
Using very simplified form and using non-accurately ratio, only to convenience, the embodiment of the present invention is lucidly aided in illustrating
Purpose.
Fig. 1 is refer to, it is the structural representation of the optical-touched screen of the present invention, as shown in figure 1, the optical-touched screen bag
Include：One display 1, photoinduction layer 2 and a processor 3, the photoinduction layer 2 are arranged at the surface of the display 1, used
In receiving touch-control light and produce electric signal；The processor 3 is electrically connected with photoinduction layer 2 and the display 1, for locating
The electric signal is managed, feeds back to described by the position of touch-control light irradiation, and by the position with the surface for knowing the display 1
Display 1.Wherein, in order to realize interacting between photoinduction layer 2 and display 1, the photoinduction layer 2 passes through flexible PCB
It is bound to the surface of the display 1.
The photoinduction layer 2 after photoinduction layer is by the light source activation, can produce shape for the light source of specific wavelength
Become, cause the electric signal (electric signal of the piezoelectric layer specially in photoinduction layer 2) of photoinduction layer 2 to change, show as light
The fluctuation of the precalculated position of inductive layer 2 electric signal before and after touch-control light is received, and what the position for not receiving touch-control light was exported
Electric signal is relatively stable.Based on above-mentioned situation, the electric signal situation that processor 3 is exported according to each position of photoinduction layer 2 is true
Which fixed specific position receives touch-control light, and then according to the corresponding relation of photoinduction layer 2 and display 3, knows the display
The surface of device (touch-control) corresponding function is opened according to the position of touch-control light irradiation by the position of touch-control light irradiation, display.Light is touched
The touch medium of control screen is touch-control light, and the light source of corresponding wavelength is selected according to photoinduction layer choosing (such as near infrared light, ultraviolet light)
Carry out exciting light inductive layer and realize touch-control, the demand of current Touch Screen development is met, with larger development prospect.
In the present embodiment, the processor 3 includes：Communication interface, call unit, memory cell；The communication interface with
The photoinduction layer and display electrical connection, the communication for realizing the photoinduction layer and the display；It is described to deposit
Be stored with the relation table of coordinate position in precalculated position and a mapping graph for photoinduction layer in storage unit, the photoinduction layer it is every
One position is corresponding with a coordinate position of the mapping graph, each position of the mapping graph and one in the display
Coordinate position correspondence；The electric signal that the call unit is produced according to the photoinduction layer of reception, judges that touch-control light irradiation exists
The precalculated position of the photoinduction layer, finds the coordinate in mapping graph corresponding with the precalculated position from the relation table
Position, the coordinate position in the mapping graph found is mapped in the coordinate position of the display, and by the display found
The coordinate position of device feeds back to the display.Wherein, the matching communication modes of the communication interface of the processor include
ZigBee, PLC or RS485.
Specifically, please continue to refer to Fig. 1, the photoinduction layer includes：One photoresponsive layer 20 and a piezoelectric layer 21, the light
Response layer 20 is arranged at the surface of the piezoelectric layer 21, for receiving touch-control light and being produced in the position that correspondence receives touch-control light
Deformation；The piezoelectric layer 21 is arranged at the surface of the display screen, wherein, the thickness range of the photoresponsive layer 20 is 0.01
~1 μm, the thickness range of the piezoelectric layer 21 is 1~100 μm.The piezoelectric layer 21 specifically includes some piezoelectric membranes, some
Piezoelectric membrane collectively covers the surface of the display screen, shows as laterally upper array distribution, and the shape of each piezoelectric membrane can be with
For one kind in circular or square, as long as collectively covering the surface of the display screen after the tiling of all piezoelectric membranes,
The deformation of the position of each piezoelectric membrane sensing correspondence photoresponsive layer 20 is to produce electric signal, and by the electric signal transmission
The situation of change of the electric signal transmitted to the processor, processor according to each piezoelectric membrane is (such as when photoresponsive layer is received
Deformed upon to touch-control light so that the piezoelectric membrane fitted with it is also deformed upon, cause the voltage of the piezoelectric membrane to become
Change, be presented as that output electric signal has change), it is determined which specific piezoelectric membrane correspondence receives the photoresponsive layer of touch-control light,
And then determine position of the touch-control light irradiation on photoinduction layer.Wherein, the material of the photoresponsive layer is photo-deformable material, example
The compound of such as functional group containing azobenzene, the light source of now selective exitation photoinduction layer is ultraviolet light.The piezoelectric membrane
For polyvinylidene difluoride membrane.The principle of the photo-deformable material is：When photo-deformable material is by light irradiation, its light rings
Answer group to occur photoisomerization, cause intermolecular distance to reduce, by intermolecular and intersegmental macromolecular chain synergy this
Plant micro-variations and pass to strand, the state of strand is occurred conspicuousness change, material is macroscopically showing as photic shape
Become.
Preferably, as shown in figure 1, the optical-touched screen of the present invention is also set up between the display and photoinduction layer
One cushion 4, with avoid when photoinduction layer 2 deform upon wait change when the damage that is caused to display 1.
Accordingly, the present embodiment additionally provides a kind of manufacture method of optical-touched screen.Below with reference to Fig. 1 and Fig. 2 specifically
The manufacture method of optical-touched screen described in bright the present embodiment.
First, there is provided a display and a processor by execution step S1；The display 1 can be liquid crystal display or
Person's OLED display；
Then, step S2 is performed, photoinduction layer is formed on the surface of the display, the photoinduction layer is used to receive
Touch-control light simultaneously produces electric signal；
Then, step S3 is performed, the processor is electrically connected with photoinduction layer and the display, the processing
The device processing electric signal, is fed back to the surface for knowing the display by the position of touch-control light irradiation, and by the position
The display.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.For method disclosed in embodiment
For, due to corresponding with structure disclosed in embodiment, so description is fairly simple, illustrate in place of correlation referring to structure division
.
To sum up, in optical-touched screen provided by the present invention and its manufacture method, the optical-touched screen include a display,
One photoinduction layer and a processor, the photoinduction layer are arranged at the surface of the display, for receiving touch-control light and producing
Raw electric signal；The processor is electrically connected with photoinduction layer and the display, for handling the electric signal, to know
The surface of the display feeds back to the display by the position of touch-control light irradiation, and by the position.Based on photoinduction layer
Receive the change in electric situation produced before and after touch-control light and determine position of the touch-control light irradiation on photoinduction layer, and then touch-control is aobvious
Show the function of device correspondence position, whole touch-control process is using light as touch medium, and touch-control process is more accurate, can be according to remote control
The light of required distance selection respective wavelength carries out realizing Remote as touch-control light.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Scope.
Claims (10)
1. a kind of optical-touched screen, it is characterised in that including：
One display；
One photoinduction layer, is arranged at the surface of the display, for receiving touch-control light and producing electric signal；
One processor, is electrically connected with photoinduction layer and the display, for handling the electric signal, described aobvious to know
Show that the surface of device feeds back to the display by the position of touch-control light irradiation, and by the position.
2. optical-touched screen as claimed in claim 1, it is characterised in that the processor includes：Communication interface, call unit,
Memory cell；
The communication interface is electrically connected with photoinduction layer and the display, for realizing that the photoinduction layer shows with described
Show the communication of device and processor；
Be stored with the relation table of coordinate position in precalculated position and a mapping graph for photoinduction layer in the memory cell, the light
Each position of inductive layer is corresponding with a coordinate position of the mapping graph, each position of the mapping graph and the display
Coordinate position correspondence in device；
The electric signal that the call unit is produced according to the photoinduction layer of reception, judges touch-control light irradiation in the photoinduction
The precalculated position of layer, the coordinate position in mapping graph corresponding with the precalculated position is found from the relation table, will be looked into
Coordinate position in the mapping graph found is mapped in the coordinate position of the display, and by the coordinate bit of the display found
Put and feed back to the display.
3. optical-touched screen as claimed in claim 1, it is characterised in that the matching communication modes of the communication interface of the processor
Including ZigBee, PLC or RS485.
4. optical-touched screen as claimed in claim 1, it is characterised in that the photoinduction layer includes：Photoresponsive layer and piezoelectric layer；
The photoresponsive layer is arranged at the surface of the piezoelectric layer, for receiving touch-control light and receiving the position of touch-control light in correspondence
Put generation deformation；
The piezoelectric layer is arranged at the surface of the display screen, and the piezoelectric layer includes some piezoelectric membranes, and some piezoelectricity are thin
Film collectively covers the surface of the display screen, and each piezoelectric membrane senses the deformation of the position of the correspondence photoresponsive layer to produce
Electric signal, and give the processor by the electric signal transmission.
5. optical-touched screen as claimed in claim 4, it is characterised in that the material of the photoresponsive layer is photo-deformable material.
6. optical-touched screen as claimed in claim 4, it is characterised in that the piezoelectric membrane is polyvinylidene difluoride membrane.
7. optical-touched screen as claimed in claim 1, it is characterised in that the precalculated position on the surface of the photoinduction layer is received
During touch-control light, there is change in the electric signal that the precalculated position is produced；The precalculated position on the surface of the photoinduction layer is not received
During to touch-control light, the electric signal that the precalculated position is produced is stable.
8. optical-touched screen as claimed in claim 1, it is characterised in that also including cushion；
The cushion is arranged between the display and photoinduction layer, for protecting the display.
9. optical-touched screen as claimed in claim 1, it is characterised in that the photoinduction layer is bound to institute by flexible PCB
State the surface of display.
10. a kind of manufacture method of optical-touched screen, it is characterised in that comprise the following steps：
One display and a processor are provided；
Photoinduction layer is formed on the surface of the display, the photoinduction layer is used to receive touch-control light and produces electric signal；
The processor is electrically connected with photoinduction layer and the display, the processor handles the electric signal, with
Know that the surface of the display feeds back to the display by the position of touch-control light irradiation, and by the position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710297025.6A CN107122076B (en) | 2017-04-28 | 2017-04-28 | Optical touch screen and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710297025.6A CN107122076B (en) | 2017-04-28 | 2017-04-28 | Optical touch screen and manufacturing method thereof |
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| CN107122076A true CN107122076A (en) | 2017-09-01 |
| CN107122076B CN107122076B (en) | 2020-07-03 |
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| CN109103226A (en) * | 2018-08-20 | 2018-12-28 | 京东方科技集团股份有限公司 | A kind of electrooptical device, display panel and preparation method thereof |
| CN109917972A (en) * | 2019-01-28 | 2019-06-21 | 昆山国显光电有限公司 | Light-operated display screen and display |
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| CN113978085A (en) * | 2021-11-22 | 2022-01-28 | 电子科技大学 | Induction surface structure, preparation method thereof and product with induction surface structure |
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|---|---|
| CN107122076B (en) | 2020-07-03 |
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