CN103019479B - Infrared touch panel - Google Patents
Infrared touch panel Download PDFInfo
- Publication number
- CN103019479B CN103019479B CN201210564125.8A CN201210564125A CN103019479B CN 103019479 B CN103019479 B CN 103019479B CN 201210564125 A CN201210564125 A CN 201210564125A CN 103019479 B CN103019479 B CN 103019479B
- Authority
- CN
- China
- Prior art keywords
- touch panel
- infrared
- backing plate
- circuit board
- touch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Position Input By Displaying (AREA)
Abstract
The invention provides a kind of infrared touch panel, including touch panel（105）, infrared receiving/transmission element（101）And circuit board（103）, the circuit board（103）On be provided with other electronic components（104）, it is characterised in that the infrared touch panel also includes backing plate（107）, the backing plate（107）With the touch panel（105）It is arranged on the circuit board（103）The same side, and with the circuit board（103）It is fixedly connected, the infrared receiving/transmission element（101）It is arranged on the backing plate（107）It is upper and with the circuit board（103）Electrical connection, the infrared receiving/transmission element（101）Optical axis be higher than the touch panel（105）The plane at place.According to the infrared touch panel of the present invention, border width is minimum, and certain " buffering area " can be formed about in frame, preferably to carry out the touch operation near frame, greatly strengthen the touch experience of user.
Description
Technical field
The present invention relates to a kind of infrared touch panel.
Background technology
Infrared touch panel is because working stability, the advantages of service life is long, widely apply in various environment.
At present, infrared touch panel is usually to be arranged on the touch panel before display and the frame containing circuit board,
The touch panel can such as be made up of glass, and for covering over the display, frame is trapped among the outer of the touch panel
Arranged on side, the four edges of the circuit board in frame infrared transmitting tube and infrared receiving tube, generally infrared transmitting tube
It is arranged on infrared receiving tube on relative two side of frame, so as to form the red of intersection on the touch panel that frame is surrounded
Outer matrix.User is when touching the touch panel of infrared touch panel, and finger will block the infrared ray anyhow by the position, from
And judge touch point in the position of screen.
With the raising of development and the user's request of touch-screen, user will also while preferably touch experience is pursued
Ask touch-screen thinner narrower.Present many touch-screens have been not merely to recognize the position of touch point to realize click etc.
Basic operation, can also carry out the track following of touch point to carry out gesture identification.And in the frame near zone of touch-screen
Gesture it is often extremely important, such as near frame to outside frame slide finger can carry out leftward or rightward page turn over operation
Deng this requires the frame of touch-screen smooth and has certain " buffering area " near frame, attached preferably to carry out frame
Near touch operation and user is met to touching the demand of experience.
For infrared touch panel field, it can either realize that this real touch is experienced, disclosure satisfy that touch-screen is narrow thin again
Requirement, it has also become a kind of new development trend.
The content of the invention
For the above-mentioned problems in the prior art, the invention provides a kind of infrared touch panel, can meet compared with
In the case of high touch demand for experience, the ultra-narrow of touch-screen frame is realized and smooth.
The invention provides a kind of infrared touch panel, the infrared touch panel includes touch panel, infrared receiving/transmission element and electricity
Be provided with other electronic components on road plate, the circuit board, wherein, the infrared touch panel also include backing plate, the backing plate with
The touch panel is arranged on the same side of the circuit board, and is fixedly connected with the circuit board, the infrared receiving/transmission element
It is arranged on the backing plate and is electrically connected with the circuit board, the optical axis of the infrared receiving/transmission element is higher than the touch panel institute
Plane.
The infrared touch panel provided using the present invention, circuit board is placed in the lower section of touch panel, only by infrared receiving/transmission member
Outside of the part along touch panel is set, and by backing plate that infrared receiving/transmission element is padded, so that the frame of touch-screen is put down
It is whole and width is minimum, and certain " buffering area " can be formed about in frame, preferably to carry out touching near frame
Operation is touched, the touch experience of user is greatly strengthen.
Brief description of the drawings
Fig. 1 shows the structural representation of the infrared touch panel according to the present invention；
Fig. 2 shows the side view of the frame of the infrared touch panel according to the present invention；
Fig. 3 shows the partial enlarged drawing of the frame according to Fig. 2 of the first embodiment of the present invention；
Fig. 4 shows the partial enlarged drawing of the frame according to Fig. 2 of second of embodiment of the present invention；
Fig. 5 shows the partial enlarged drawing of the frame according to Fig. 2 of the third embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in embodiments of the invention is carried out it is clear,
It is fully described by, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.
Based on the embodiment in the present invention, the institute that those of ordinary skill in the art are obtained on the premise of creative work is not made
There is other embodiment, belong to the scope of protection of the invention.
Fig. 1 shows the infrared touch panel according to the present invention.With reference to Fig. 1, in order to preferably carry out touch-screen frame
The gesture identification of near zone, such as slip finger can carry out leftward or rightward ground page turn over operation to outside frame near frame
Deng, according to there is certain buffering area 106 close to the position of frame on the touch panel 105 of the touch-screen of the present invention, the buffering
Area 106 can carry out touch detection, but not show the touch information in the buffering area 106 on display, preferably to enter
Touch operation near row frame.So, by setting buffering area 106, the touch experience of user can be improved.
Fig. 2 shows the side view of the frame of the infrared touch panel according to the present invention；Fig. 3 shows the according to the present invention
A kind of partial enlarged drawing of frame shown in Fig. 2 of embodiment；Fig. 4 shows second of embodiment according to the present invention
Fig. 2 shown in frame partial enlarged drawing；Fig. 5 is shown according to Fig. 2 of the third embodiment of the present invention
Frame partial enlarged drawing.
For Fig. 1 infrared touch panel, in order to realize the touch-screen of ultra-narrow frame, the invention provides a kind of infrared touch
Screen, referring to figs. 1 to Fig. 3, the infrared touch panel includes touch panel 105, infrared receiving/transmission element 101 and circuit board 103, the electricity
Be provided with other electronic components 104 on road plate 103, the infrared touch panel also includes backing plate 107, the backing plate 107 with it is described
Touch panel 105 is arranged on the same side of the circuit board 103, and the backing plate 107 is set along the periphery of the touch panel 105
And be fixedly connected with the circuit board 103, the infrared receiving/transmission element 101 be arranged on the backing plate 107 and with the circuit
Plate 103 is electrically connected, and the optical axis of the infrared receiving/transmission element 101 is higher than the plane where the touch panel 105.
Infrared receiving/transmission element 101 in the present embodiment can use surface mount elements, it would however also be possible to employ the straight cutting with pin
Formula element, such as SMD infrared transmitting tube and direct insertion infrared transmitting tube.The infrared receiving/transmission element 101 includes infrared hair
Penetrate element and infrared receiver component.
The infrared touch panel of the present invention uses the region of buffering area 106, and circuit board is arranged at into buffering area 106
Lower section.By setting backing plate 107 that infrared receiving/transmission element 101 is fixed on to the outside of touch panel 105.Circuit board 103 can be with
Set around touch panel 105, its can be surrounded by end to end four pieces of circuit board groups of rectangle frame into or rectangle
Integrative-structure.Backing plate 107 can be fixedly connected by modes such as bonding, welding or mode connects for screw with circuit board 103.Its
In, in the embodiment shown in Fig. 3, backing plate 107 is fixedly connected by screw 108 with circuit board 103.In the reality shown in Fig. 4
Apply in mode, backing plate 107 is fixedly connected by welding with circuit board 103, and welding is using on backing plate 107 and circuit board 103
Solder joint, now backing plate 107 can be printed circuit board material.Infrared receiving/transmission element 101 can by the conductor on backing plate 107 with
Circuit board 103 is electrically connected, and can also be directly connected by pin with circuit board 103, and now backing plate 107 mainly plays a branch
Support and fixed effect.When infrared transmit-receive cell 101 is the direct insertion element with pin, the pipe of infrared receiving/transmission element 101
Pin can be inserted into the through hole of circuit board by the through hole on backing plate 107, and then pin is welded on circuit board；When infrared
When transmit-receive cell 101 is using SMD element, it can be soldered on backing plate 107 and to be electrically connected with the conductor on backing plate 107, the conductor
Corresponding position is connected on circuit board 103, it will be understood that the fixed form of various circuit connecting forms and backing plate can be flexible
Using.In order to carry out touch detection, backing plate 107 need it is sufficiently high, to cause the optical axis of infrared receiving/transmission element 101 higher than touching
The horizontal plane of panel 105 is touched, so that the infrared ray sent is on the plane of touch panel 105, with touch panel 105
Top formed scanning light net.When user is touched on touch panel 105, touch objects（Such as finger）Will block by
The infrared ray of the position, so as to judge position of the touch point on touch panel 105.Wherein, the touch panel 105 can be with
Fixed on display, the touch panel 105 can be glass, or can be used for other transparent materials of touch-screen.
The backing plate 107 preferably can be printed circuit board (PCB), and the infrared receiving/transmission element 101 is by grafting or is welded on institute
State on printed circuit board (PCB) to electrically connect with the circuit board 103.
It is preferred that, the infrared touch panel can also include filter element 102, and the filter element 102 is located at described infrared
Transmit-receive cell 101 towards direction, other light beyond infrared light are filtered out for crossing, so as to avoid ambient light etc.
Interference to infrared light.
The filter element 102 can be fixedly installed on the circuit board 103, and positioned at the backing plate 107 with it is described
Between touch panel 105.The filter element 102 such as can by bonding or mode connects for screw mode come fixed to described
On circuit board 103, filter element 102 can also be fixed on the surface of touch panel 105.
It is further preferred that the filter element 107 can be the optical filtering set around the periphery of the touch panel 105
Frame, the optical filtering frame has body 1022 and protuberance 1021, and the protuberance 1021 is located at the backing plate 107 and touched with described
Between panel 105, a part for the body 1022 is overlapped on the touch panel 105, and the body 1022 is except for filtering
Outside light, it is additionally operable to fix the touch panel 105.Because the protuberance 1021 of optical filtering frame is fixed on circuit board 103, and body
1022 can push down touch panel 105 touch panel 105 being fixed on circuit board 103, so it is prevented that touching
Touch panel 105 to slide from circuit board 103, or can prevent circuit board 103 from being slid from touch panel 105 conversely speaking,.
The protuberance 1021 may be integrally formed with body 1022, can also be fixedly connected by modes such as bondings.
The body 1022 of the optical filtering frame can be overlapped on some on the backing plate 107, so that backing plate 107
Can be regularly more steady.
As shown in figure 5, other electronic components 104 can be located on the circuit board 103 and the touch panel
105 identical sides, it is preferred that groove can be set at touch panel edge, for accommodating other electronic components
104, so, integral thickness is thinner.Other electronic components 104 can also be located on the circuit board and the touch surface
The different side of plate, as shown in Figure 3 and Figure 4.
Preferably, the backing plate 107 can include the first end to end backing plate, the second backing plate, the 3rd backing plate and the 4th
Backing plate, the infrared emission component is located on first backing plate and/or the 3rd backing plate, and the infrared receiver component is located at
It is described infrared on first backing plate and/or the 3rd backing plate on second backing plate and/or the 4th backing plate
At least two infrared emission components are towards different directions in radiated element.Usually, can be the first backing plate and/or the 3rd backing plate
On infrared emission component be divided into infrared emission component 101 in multiple infrared emission component groups, each infrared emission component group
Position is continuously set, every group all containing oriented at least two different directions install infrared emission component, can provide gradient compared with
Big light, can be more prone to exclude terrible point, have good effect in particular for multiple point touching.
Referring again to Fig. 1, because the position on touch panel 105 close to frame has certain buffering area 106, the buffering area
106 can carry out touch detection, but not show the touch information in the buffering area 106 on display.Thus, the touch surface
The viewing area of plate 105 can be less than effective touch area of the touch panel 105, preferably to carry out near frame
Touch operation, improves the touch experience of user.As shown in figure 1, effective touch area of touch panel 105 can include touch surface
106 two regions of buffering area outside viewing area and viewing area in the middle part of plate.The buffering on touch panel 105 can be passed through
The opaque silk-screen of a floor is covered on the position in area 106（Such as black silk-screen）, to distinctly display outside region and viewing area
Buffering area 106.
The infrared touch panel provided using the present invention, due to circuit board to be placed in the lower section of touch panel, only by infrared receipts
Outside of the element along touch panel is sent out to set, and it is by backing plate that infrared receiving/transmission element is padded, so that the side of touch-screen
Frame is smooth and width is minimum, and certain " buffering area " can be formed about in frame, preferably to carry out near frame
Touch operation, greatly strengthen user touch experience.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those skilled in the art is in technical scope disclosed by the invention, the change or replacement that can be readily occurred in, and all should
It is included within the scope of the present invention.Therefore, protection scope of the present invention should using the scope of the claims as
It is accurate.
Claims (4)
1. a kind of infrared touch panel, the infrared touch panel includes touch panel (105), infrared receiving/transmission element (101) and circuit board
(103) other electronic components (104), are provided with the circuit board (103), it is characterised in that the infrared touch panel is also wrapped
Backing plate (107) is included, the backing plate (107) is arranged on the same side of the circuit board (103) with the touch panel (105), and
Be fixedly connected with the circuit board (103), the infrared receiving/transmission element (101) be arranged on the backing plate (107) and with it is described
Circuit board (103) is electrically connected, and the optical axis of the infrared receiving/transmission element (101) is higher than the plane where the touch panel (105)；
The infrared touch panel also includes filter element (102), and the filter element (102) is located at the infrared receiving/transmission element
(101) towards direction for crossing filter out other light beyond infrared light；
The filter element (102) is located between the backing plate (107) and the touch panel (105)；
The filter element (102) is the optical filtering frame set around the periphery of the touch panel (105), and the optical filtering frame has
Protuberance (1021) and body (1022), the protuberance (1021) are located at the backing plate (107) and the touch panel (105)
Between, the body (1022) is overlapped on the touch panel (105), for fixing the touch panel (105).
2. infrared touch panel according to claim 1, it is characterised in that the body (1022) of the optical filtering frame is also overlapped on
On the backing plate (107).
3. the infrared touch panel according to any one of claim 1-2 claim, it is characterised in that the infrared receiving/transmission
Element (101) includes being located at least the two of the same side in infrared emission component and infrared receiver component, the infrared emission component
Individual infrared emission component is towards different directions.
4. infrared touch panel according to claim 3, it is characterised in that the backing plate (107) includes end to end the
One backing plate, the second backing plate, the 3rd backing plate and the 4th backing plate, the infrared emission component are located at first backing plate and/or described
On 3rd backing plate, the infrared receiver component is located on second backing plate and/or the 4th backing plate, positioned at the described first pad
At least two infrared emission components are towards different directions in the infrared emission component on plate and/or the 3rd backing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210564125.8A CN103019479B (en) | 2012-11-30 | 2012-12-21 | Infrared touch panel |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105073160 | 2012-11-30 | ||
| CN201210507316.0 | 2012-11-30 | ||
| CN201210507316 | 2012-11-30 | ||
| CN201210564125.8A CN103019479B (en) | 2012-11-30 | 2012-12-21 | Infrared touch panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103019479A CN103019479A (en) | 2013-04-03 |
| CN103019479B true CN103019479B (en) | 2017-07-28 |
Family
ID=47968145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210564125.8A Active CN103019479B (en) | 2012-11-30 | 2012-12-21 | Infrared touch panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103019479B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106886342A (en) * | 2017-04-21 | 2017-06-23 | 青岛海信电器股份有限公司 | A kind of infrared touch panel and its localization method |
-
2012
- 2012-12-21 CN CN201210564125.8A patent/CN103019479B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103019479A (en) | 2013-04-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102053766B (en) | Electrostatic capacitance-type input device, method of manufacturing electrostatic capacitance-type input device, and electro-optical apparatus provided with input function | |
| US8970554B2 (en) | Assembly having display panel and optical sensing frame and display system using the same | |
| CN103970336B (en) | Touch display panel and touch display device | |
| CN106293209B (en) | A kind of integrated touch-control display panel and its touch control display device | |
| CN104238222A (en) | Touch displaying device and substrate | |
| CN107688251A (en) | Liquid crystal display | |
| KR100480154B1 (en) | Touch Panel | |
| CN104780703A (en) | Flexible circuit board and touch display device | |
| CN109144320A (en) | Display panel and display device | |
| CN105094414A (en) | Touch sensor integrated display device | |
| CN204595387U (en) | A kind of display panels and liquid crystal indicator | |
| CN103744554A (en) | Touch screen and manufacturing method thereof | |
| KR102515715B1 (en) | Display apparatus | |
| CN203311383U (en) | Infrared touch screen | |
| JP2014115663A (en) | Display unit | |
| CN104516557B (en) | Touch control display apparatus and spliced touch control display | |
| CN103019479B (en) | Infrared touch panel | |
| CN203217522U (en) | Infrared touch screen and touch display integrated machine | |
| CN110780481B (en) | Connection substrate and display device | |
| CN103336558B (en) | Electronic installation | |
| JP5981005B2 (en) | Display device | |
| CN203012682U (en) | Infrared touch screen | |
| WO2018193953A1 (en) | Display device | |
| CN103019481B (en) | Touch-screen | |
| CN203502940U (en) | Touch display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100015 4 floor, block B, M8 tower, 1 Jiuxianqiao East Road, Chaoyang District, Beijing. Patentee after: Three wisdom education Polytron Technologies Inc. Address before: 100015 4 floor, block B, M8 tower, 1 Jiuxianqiao East Road, Chaoyang District, Beijing. Patentee before: BEIJING IRTOUCH SYSTEMS Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220706 Address after: Room 101-602, 6th floor, building 21, East District, yard 10, northwest Wangdong Road, Haidian District, Beijing 100085 Patentee after: BEIJING IRTOUCH SYSTEMS Co.,Ltd. Address before: 100015 4 floor, block B, M8 tower, 1 Jiuxianqiao East Road, Chaoyang District, Beijing. Patentee before: Three wisdom education Polytron Technologies Inc. |