CN107168590A - A kind of touch-screen surface-mount type combined type infrared tube - Google Patents
A kind of touch-screen surface-mount type combined type infrared tube Download PDFInfo
- Publication number
- CN107168590A CN107168590A CN201710523128.XA CN201710523128A CN107168590A CN 107168590 A CN107168590 A CN 107168590A CN 201710523128 A CN201710523128 A CN 201710523128A CN 107168590 A CN107168590 A CN 107168590A
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- tube core
- touch
- tube
- pcb board
- reflecting
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Classifications
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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
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
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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)
- Laminated Bodies (AREA)
- Position Input By Displaying (AREA)
Abstract
The present invention provides a kind of touch-screen surface-mount type combined type infrared tube, the infrared tube includes lens, receives tube core, emission tube core and pcb board, the lens include light collecting part and reflecting part, the reflecting part is provided with transflective layer and reflecting surface, the reception tube core, emission tube core are located on pcb board, and the lens are covered in above PCB, cover reception tube core and emission tube core.Present invention can be implemented in the high-density arrangement on the basis of anti-strong light, resolution ratio is improved；Pin is reduced, and fabric swatch wiring difficulty can be reduced, while narrow frame design can be realized.
Description
Technical field
The present invention relates to touch-screen field, more particularly, to a kind of touch-screen surface-mount type combined type infrared tube.
Background technology
Current touch-screen infrared tube is when solving to resist strong optical issue, using in each edge all cloth infrared transmitting tubes 2 and red
The scheme of outer reception pipe 3, as shown in Figure 1.During work, only set of system effectively, i.e., launch by a line, and another a line is received,
It is not in a line transmitting situation that same side is received simultaneously.But when there is strong shadow sound, the reception of a line is shone
Penetrate saturation can not normal work, now system transmitting exchanges with reception, and the side launched originally is changed into receiving, the change of the side that received originally
For transmitting, it is ensured that system energy normal work, so as to realize the effect of anti-strong light.
Aforementioned schemes are needed on one side both cloth transmitting tube, and cloth reception pipe, can so there is problems with：One is actual work
Make that pipe density is low, therefore the resolution ratio of touch-screen is low；Two be increase plank width, it is impossible to does narrow frame；Three be the red of design
Housing element is more, and pin is more, and wiring difficulty is big.
The content of the invention
The problem of present invention exists for prior art solves there is provided a kind of touch-screen surface-mount type combined type infrared tube
The problems such as infrared tube density arranged on existing touch-screen is low, pin is more.
The goal of the invention of the present invention is achieved through the following technical solutions：
A kind of touch-screen surface-mount type combined type infrared tube, it is characterised in that the infrared tube include lens, receive tube core,
Emission tube core and pcb board, the lens include light collecting part and reflecting part, and the reflecting part is provided with transflective layer and reflecting surface,
The reception tube core, emission tube core are located on pcb board, and the lens are covered in above pcb board, cover reception tube core and transmitting tube
Core.
Further, the transflective layer is air gap reflecting layer or thin film reflective layer.
Further, the reflecting surface is the fully reflecting surface that is formed using reflecting part.
Further, the reception tube core is located at below reflecting surface, and the emission tube core is located at below transflective layer.
Further, the emission tube core is located at below reflecting surface, and the reception tube core is located at below transflective layer.
Further, the reception tube core, the pin of emission tube core are welded on pcb board, and the pcb board is electric provided with drawing
Pole.
Compared with prior art, the present invention has advantages below：
1st, as common infrared transmitting tube or infrared receiver pipe size, it may be implemented in highly dense on the basis of anti-strong light
Degree arrangement, improves resolution ratio.
2nd, pin reduce, it is not necessary to it is front and rear and left and right stagger arrangement Emission and receiving of infrared pipe, reduce fabric swatch wiring difficulty,
Narrow frame design can be realized simultaneously.
Brief description of the drawings
Fig. 1 is the laying structure figure of the infrared tube of existing touch-screen；
Fig. 2 is structural representation of the invention；
Fig. 3 is Fig. 2 overlooking the structure diagram.
Description of reference numerals：
1 be first electrode, 2 be second electrode, 3 be the 3rd electrode, 4 be transflective layer, 5 be pcb board, 6 be reflecting surface,
7 be receive tube core, 8 be emission tube core, 9 be lens, 91 be light collecting part, 92 be reflecting part.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
The present invention provides a kind of touch-screen surface-mount type combined type infrared tube, i.e., using dual-die encapsulation scheme, realizes both
Energy infrared emission, and the purpose of energy infrared receiver.
The structure of the infrared tube as shown in Figure 2 to 3, including lens 9, receives tube core 7, emission tube core 8 and pcb board 5.Thoroughly
Mirror 9 includes light collecting part 91 and reflecting part 92.Whole lens 9 are formed from a resin, and its top is that light collecting part 91, bottom are reflecting part
92.Transflective layer 4 is provided with reflecting part, effect is：Launch or extraneous incident light through tube core 7 is received, reflection transmitting
Tube core 8 launch and by reflecting surface 6 reflect after light to extraneous or extraneous incident light to transflective layer 4 again to reflecting surface
6.Transflective layer 4 can use air gap reflecting layer or thin film reflective layer, as long as meeting the refractive index for realizing its function.Reflection
Face 6 is the fully reflecting surface that is formed using reflecting part 92, because the medium and air dielectric refractive index difference of reflecting part 92 are larger,
The angle of reflecting surface only need to be adjusted, you can realize total reflection.The effect of reflecting surface 6 is：Reflect emission tube core 8 launch light or
The light for the external world's incidence reflected through transflective layer 4 arrives reflecting surface 6 again.
Receive tube core 7, emission tube core 8 to be located on pcb board 5, lens 9 are covered in the top of pcb board 5, cover reception tube core 7 and
Emission tube core 8.In the present embodiment, emission tube core 8 is located at the lower section of reflecting surface 6, receives tube core 7 and is located at the lower section of transflective layer 4.When
So, also the lower section of reflecting surface 6 can be located at using tube core 7 is received, emission tube core 8 is located at the lower section of transflective layer 4.
Receive tube core 7, the pin of emission tube core 8 to be welded on pcb board 5, the pcb board 5 is provided with extraction electrode.Draw electricity
Pole includes first electrode 1, second electrode 2, the 3rd electrode 3.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, it is noted that all
Any modifications, equivalent substitutions and improvements made within the spirit and principles in the present invention etc., should be included in the guarantor of the present invention
Within the scope of shield.
Claims (6)
1. a kind of touch-screen surface-mount type combined type infrared tube, it is characterised in that the infrared tube includes lens, receives tube core, hair
Tube core and pcb board are penetrated, the lens include light collecting part and reflecting part, and the reflecting part is provided with transflective layer and reflecting surface, institute
State reception tube core, emission tube core to be located on pcb board, the lens are covered in above pcb board, cover reception tube core and transmitting tube
Core.
2. a kind of touch-screen according to claim 1 surface-mount type combined type infrared tube, it is characterised in that described semi-transparent half
Anti- layer is air gap reflecting layer or thin film reflective layer.
3. a kind of touch-screen according to claim 1 surface-mount type combined type infrared tube, it is characterised in that the reflecting surface
For the fully reflecting surface formed using reflecting part.
4. a kind of touch-screen according to claim 1 surface-mount type combined type infrared tube, it is characterised in that the reception pipe
Core is located at below reflecting surface, and the emission tube core is located at below transflective layer.
5. a kind of touch-screen according to claim 1 surface-mount type combined type infrared tube, it is characterised in that the transmitting tube
Core is located at below reflecting surface, and the reception tube core is located at below transflective layer.
6. a kind of touch-screen according to claim 1 surface-mount type combined type infrared tube, it is characterised in that the reception pipe
Core, the pin of emission tube core are welded on pcb board, and the pcb board is provided with extraction electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710523128.XA CN107168590B (en) | 2017-06-30 | 2017-06-30 | Surface-mounted composite infrared tube for touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710523128.XA CN107168590B (en) | 2017-06-30 | 2017-06-30 | Surface-mounted composite infrared tube for touch screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107168590A true CN107168590A (en) | 2017-09-15 |
| CN107168590B CN107168590B (en) | 2023-07-07 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710523128.XA Active CN107168590B (en) | 2017-06-30 | 2017-06-30 | Surface-mounted composite infrared tube for touch screen |
Country Status (1)
| Country | Link |
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| CN (1) | CN107168590B (en) |
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2017
- 2017-06-30 CN CN201710523128.XA patent/CN107168590B/en active Active
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| Publication number | Publication date |
|---|---|
| CN107168590B (en) | 2023-07-07 |
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