CN203012682U - Infrared touch screen - Google Patents
Infrared touch screen Download PDFInfo
- Publication number
- CN203012682U CN203012682U CN 201220653808 CN201220653808U CN203012682U CN 203012682 U CN203012682 U CN 203012682U CN 201220653808 CN201220653808 CN 201220653808 CN 201220653808 U CN201220653808 U CN 201220653808U CN 203012682 U CN203012682 U CN 203012682U
- 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.)
- Expired - Lifetime
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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
- 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
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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 utility model provides an infrared touch screen, which comprises a touch panel (105), an infrared transceiving element (101) and a circuit board (103), wherein other electronic components (104) are arranged on the circuit board (103). The infrared touch screen is characterized by also comprising a base plate (107), the base plate (107) and the touch panel (105) are arranged at the same side of the circuit board (103) and are fixedly connected with the circuit board (103), the infrared transceiving element (101) is arranged on the base plate (107) and is electrically connected with the circuit board (103), and an optical axis of the infrared transceiving element (101) is higher than a plane of the touch panel (105). According to the infrared touch screen disclosed by the utility model, the border width is minimum, a certain buffering area can be formed near a border so as to better carry out the touch operation near the border, and the touch experience of a user is greatly enhanced.
Description
Technical field
The utility model relates to a kind of infrared touch panel.
Background technology
Infrared touch panel is widely applied in various environment because of advantages such as working stability, long service life.
At present, infrared touch panel generally is mounted in the touch panel and the frame that contains circuit board of the front of display, described touch panel is such as being made by glass, and for covering display, frame is trapped among the outside of described touch panel, arrange on the four edges of the circuit board in frame infrared transmitting tube and infrared receiving tube, generally infrared transmitting tube is arranged on two relative limits of frame with infrared receiving tube, thereby forms the infrared matrix that intersects on the touch panel that frame surrounds.The user is when touching the touch panel of infrared touch panel, and finger will block the infrared ray anyhow through this position, thereby judges the touch point in the position of screen.
Along with the development of touch-screen and the raising of user's request, the user pursue better touch experience in, also require the touch-screen can be thinner narrower.Present a lot of touch-screens have been not merely that the basic operations such as click are realized in the position of identifying the touch point, thereby the track following that can also carry out the touch point carries out gesture identification.And often extremely important in the gesture of the frame near zone of touch-screen, such as the page turn over operation etc. that can carry out near the finger that slides outside frame frame to the left or to the right, this just requires to have certain " buffer zone " near the smooth and frame of the frame of touch-screen, in order to carry out better near the touch operation frame and satisfy the user to touching the demand of experiencing.
For the infrared touch panel field, can either realize this real touch experience, can satisfy again the narrow thin requirement of touch-screen, become a kind of new development trend.
The utility model content
For the above-mentioned problems in the prior art, the utility model provides a kind of infrared touch panel, can be in the situation that satisfied higher touch demand for experience realizes the super narrow and smooth of touch-screen frame.
The utility model provides a kind of infrared touch panel, this infrared touch panel comprises touch panel, infrared receiving/transmission element and circuit board, be provided with other electronic devices and components on described circuit board, wherein, this infrared touch panel also comprises backing plate, described backing plate and described touch panel are arranged on the same side of described circuit board, and be fixedly connected with described circuit board, described infrared receiving/transmission element is arranged on described backing plate and with described circuit board and is electrically connected to, and the optical axis of described infrared receiving/transmission element is higher than the plane at described touch panel place.
Preferably, described backing plate is printed circuit board (PCB), and described infrared receiving/transmission element is electrically connected to described circuit board by the conductor on described backing plate.
Preferably, this infrared touch panel also comprises filter element, described filter element be positioned at described infrared receiving/transmission element towards direction.
Preferably, described filter element is positioned on described touch panel.
Preferably, described filter element is between described backing plate and described touch panel.
Preferably, described filter element is that described optical filtering frame has teat and body around the optical filtering frame of the periphery setting of described touch panel, and described teat is between described backing plate and described touch panel, and described body is overlapped on described touch panel.
Preferably, the body of described optical filtering frame also is overlapped on described backing plate.
Preferably, described other electronic devices and components are positioned at a side identical with described touch panel on described circuit board.
Preferably, the edge of described touch panel is provided be used to the groove that holds described other electronic devices and components.
Preferably, described other electronic devices and components are positioned at sides different from described touch panel on described circuit board.
Preferably, described infrared receiving/transmission element comprises infrared emission component and infrared receiver component, is positioned at least two infrared emission components of the same side in described infrared emission component towards different directions.
Preferably, described backing plate comprises the first end to end backing plate, the second backing plate, the 3rd backing plate and the 4th backing plate, described infrared emission component is positioned on described the first backing plate and/or described the 3rd backing plate, described infrared receiver component is positioned on described the second backing plate and/or described the 4th backing plate, is arranged at least two infrared emission components of described infrared emission component on described the first backing plate and/or described the 3rd backing plate towards different directions.
The infrared touch panel that utilizes the utility model to provide, circuit board is placed in the below of touch panel, only with the arranged outside of infrared receiving/transmission element along touch panel, and by backing plate, that the infrared receiving/transmission element is padded, make like this that the frame of touch-screen is smooth and width is minimum, and can form certain " buffer zone " near frame, in order to carry out better near the touch operation frame, the touch that has greatly strengthened the user is experienced.
Description of drawings
Fig. 1 shows the structural representation according to infrared touch panel of the present utility model;
Fig. 2 shows the side view according to the frame of infrared touch panel of the present utility model;
Fig. 3 shows the partial enlarged drawing according to the frame shown in Fig. 2 of the first embodiment of the present utility model;
Fig. 4 shows the partial enlarged drawing according to the frame shown in Fig. 2 of the second embodiment of the present utility model;
Fig. 5 shows the partial enlarged drawing according to the frame shown in Fig. 2 of the third embodiment of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in embodiment of the present utility model is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work belongs to the scope that the utility model is protected.
Fig. 1 shows according to infrared touch panel of the present utility model.With reference to figure 1, in order to carry out better the gesture identification of touch-screen frame near zone, such as can carry out to the left or to the right page turn over operation etc. near the finger that slides frame outside frame, has certain buffer zone 106 according to the position near frame on the touch panel 105 of touch-screen of the present utility model, this buffer zone 106 can touch detection, but do not show the touch information in this buffer zone 106 on display, in order to carry out better near the touch operation frame.Like this, by buffer zone 106 is set, can improves user's touch and experience.
Fig. 2 shows the side view according to the frame of infrared touch panel of the present utility model; Fig. 3 shows the partial enlarged drawing according to the frame shown in Fig. 2 of the first embodiment of the present utility model; Fig. 4 shows the partial enlarged drawing according to the frame shown in Fig. 2 of the second embodiment of the present utility model; Fig. 5 shows the partial enlarged drawing according to the frame shown in Fig. 2 of the third embodiment of the present utility model.
infrared touch panel for Fig. 1, in order to realize the touch-screen of super narrow frame, the utility model provides a kind of infrared touch panel, referring to figs. 1 to Fig. 3, this infrared touch panel comprises touch panel 105, infrared receiving/transmission element 101 and circuit board 103, be provided with other electronic devices and components 104 on described circuit board 103, this infrared touch panel also comprises backing plate 107, described backing plate 107 and described touch panel 105 are arranged on the same side of described circuit board 103, described backing plate 107 arranges and is fixedly connected with described circuit board 103 along the periphery of described touch panel 105, described infrared receiving/transmission element 101 is arranged on described backing plate 107 and with described circuit board 103 and is electrically connected to, the optical axis of described infrared receiving/transmission element 101 is higher than the plane at described touch panel 105 places.
Infrared receiving/transmission element 101 in the present embodiment can adopt surface mount elements, also can adopt the direct insertion element with pin, such as SMD infrared transmitting tube and direct insertion infrared transmitting tube etc.Described infrared receiving/transmission element 101 comprises infrared emission component and infrared receiver component.
Infrared touch panel of the present utility model uses the zone of buffer zone 106, circuit board is arranged at the below of buffer zone 106.By being set, backing plate 107 infrared receiving/transmission element 101 is fixed on the outside of touch panel 105.Circuit board 103 can arrange around touch panel 105, and it can be comprised of with four circuit boards that surround rectangle frame end to end, can be also the integrative-structure of rectangle.Backing plate 107 can be fixedly connected with circuit board 103 by modes such as bonding, welding or screw connections.Wherein, in embodiment shown in Figure 3, backing plate 107 is fixedly connected with circuit board 103 by screw 108.In embodiment shown in Figure 4, backing plate 107 is fixedly connected with circuit board 103 by welding, and welding is the solder joint that utilizes on backing plate 107 and circuit board 103, and this moment, backing plate 107 can be printed circuit board material.Infrared receiving/transmission element 101 can be electrically connected to circuit board 103 by the conductor on backing plate 107, also can directly be connected with circuit board 103 by pin, and backing plate 107 mainly plays a support and fixing at this moment.When infrared transmit-receive cell 101 is that when having the direct insertion element of pin, the pin of infrared receiving/transmission element 101 can be inserted into by the through hole on backing plate 107 in the through hole of circuit board, then pin is welded on circuit board; When infrared transmit-receive cell 101 adopts SMD element, can be soldered on backing plate 107 with conductor on backing plate 107 and be electrically connected to, this conductor is connected to corresponding position on circuit board 103, is appreciated that the fixed form of various circuit connecting forms and backing plate can flexible Application.In order to touch detection, backing plate 107 needs enough high, so that the optical axis of infrared receiving/transmission element 101 is higher than the surface level of touch panel 105, thereby make the infrared ray that sends on the plane of touch panel 105, to form the scan light net above touch panel 105.When the user touched on touch panel 105, touch objects (such as finger) will be blocked the infrared ray through this position, thereby judges the position of touch point on touch panel 105.Wherein, described touch panel 105 can be fixed on display, and this touch panel 105 can be glass, also can be for being used for other transparent materials of touch-screen.
Described backing plate 107 preferably can be printed circuit board (PCB), and described infrared receiving/transmission element 101 is electrically connected to described circuit board 103 by pegging graft or being welded on described printed circuit board (PCB).
Preferably, this infrared touch panel can also comprise filter element 102, described filter element 102 be positioned at 101 of described infrared receiving/transmission elements towards direction, being used for other light beyond the filtering infrared light, thereby can avoid surround lighting etc. to the interference of infrared light.
Described filter element 102 can be fixedly installed on described circuit board 103, and between described backing plate 107 and described touch panel 105.Described filter element 102 is such as being secured on described circuit board 103 by modes such as bonding or screw connections, and filter element 102 also can be fixed on the surface of touch panel 105.
Further preferably, the optical filtering frame that described filter element 107 can arrange for the periphery around described touch panel 105, described optical filtering frame has body 1022 and teat 1021, described teat 1021 is between described backing plate 107 and described touch panel 105, the part of described body 1022 is overlapped on described touch panel 105, this body 1022 also is used for fixing described touch panel 105 except being used for optical filtering.Because the teat 1021 of optical filtering frame is fixed on circuit board 103, thereby and body 1022 can be pushed down touch panel 105 touch panel 105 is fixed on circuit board 103, so just can prevent touch panel 105 landing from the circuit board 103, perhaps can prevent conversely speaking, circuit board 103 landing from the touch panel 105.Described teat 1021 can be integrally formed with body 1022, also can be fixedly connected with by the mode such as bonding.
The body 1022 of described optical filtering frame can also some be overlapped on described backing plate 107, thereby makes the backing plate 107 can be more steady regularly.
As shown in Figure 5, described other electronic devices and components 104 can be positioned at a side identical with described touch panel 105 on described circuit board 103, and are preferred, can groove be set at the touch panel edge, be used for holding described other electronic devices and components 104, like this, integral thickness is thinner.Described other electronic devices and components 104 also can be positioned at sides different from described touch panel on described circuit board, as shown in Figure 3 and Figure 4.
Preferably, described backing plate 107 can comprise the first end to end backing plate, the second backing plate, the 3rd backing plate and the 4th backing plate, described infrared emission component is positioned on described the first backing plate and/or described the 3rd backing plate, described infrared receiver component is positioned on described the second backing plate and/or described the 4th backing plate, is arranged at least two infrared emission components of described infrared emission component on described the first backing plate and/or described the 3rd backing plate towards different directions.Usually, infrared emission component on the first backing plate and/or the 3rd backing plate can be divided into a plurality of infrared emission component groups, infrared emission component 101 positions in each infrared emission component group arrange continuously, every group all contains the infrared emission component that oriented at least two different directions are installed, can provide degree of tilt larger light, can be more prone to get rid of terrible point, especially for multiple point touching, good effect be arranged.
With reference to figure 1, because the position near frame on touch panel 105 has certain buffer zone 106, this buffer zone 106 can touch detection again, but does not show the touch information in this buffer zone 106 on display.Thus, the viewing area of described touch panel 105 can less than effective touch area of described touch panel 105, in order to carry out better near the touch operation of frame, be improved user's touch and experience.As shown in Figure 1, effective touch area of touch panel 105 can comprise viewing area and the buffer zone outside the viewing area 106 two zones at touch panel middle part.Can by cover the opaque silk-screen of one deck (for example black silk-screen) on the position of the buffer zone 106 on touch panel 105, distinguish the buffer zone 106 outside viewing area and viewing area.
The infrared touch panel that utilizes the utility model to provide, owing to circuit board being placed in the below of touch panel, only with the arranged outside of infrared receiving/transmission element along touch panel, and by backing plate, that the infrared receiving/transmission element is padded, make like this that the frame of touch-screen is smooth and width is minimum, and can form certain " buffer zone " near frame, in order to carry out better near the touch operation frame, the touch that has greatly strengthened the user is experienced.
The above; it is only embodiment of the present utility model; but protection domain of the present utility model is not limited to this; the technician of any skilled is in the disclosed technical scope of the utility model; the variation that can expect easily or replacement are within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (12)
1. infrared touch panel, this infrared touch panel comprises touch panel (105), infrared receiving/transmission element (101) and circuit board (103), be provided with other electronic devices and components (104) on described circuit board (103), it is characterized in that, this infrared touch panel also comprises backing plate (107), described backing plate (107) and described touch panel (105) are arranged on the same side of described circuit board (103), and be fixedly connected with described circuit board (103), described infrared receiving/transmission element (101) is arranged on described backing plate (107) upward and is electrically connected to described circuit board (103), the optical axis of described infrared receiving/transmission element (101) is higher than the plane at described touch panel (105) place.
2. the infrared touch panel at place according to claim 1, is characterized in that, described backing plate (107) is printed circuit board (PCB) (103), and described infrared receiving/transmission element (101) is electrically connected to described circuit board (103) by the conductor on described backing plate (107).
3. the infrared touch plate at place according to claim 1, is characterized in that, this infrared touch panel also comprises filter element (102), described filter element (102) be positioned at described infrared receiving/transmission element (101) towards direction.
4. infrared touch panel according to claim 3, is characterized in that, described filter element (102) is positioned on described touch panel (105).
5. infrared touch panel according to claim 3, is characterized in that, described filter element (102) is positioned between described backing plate (107) and described touch panel (105).
6. infrared touch panel according to claim 5, it is characterized in that, described filter element (102) is the optical filtering frame around the periphery setting of described touch panel (105), described optical filtering frame has teat (1021) and body (1022), described teat (1021) is positioned between described backing plate (107) and described touch panel (105), and described body (1022) is overlapped on described touch panel (105).
7. infrared touch panel according to claim 6, is characterized in that, the body of described optical filtering frame (1022) also is overlapped on described backing plate (107).
8. infrared touch panel according to claim 1, is characterized in that, described other electronic devices and components (104) are positioned at the upper side identical with described touch panel (105) of described circuit board (103).
9. infrared touch panel according to claim 8, is characterized in that, the edge of described touch panel (105) is provided be used to the groove that holds described other electronic devices and components (104).
10. infrared touch panel according to claim 1, is characterized in that, described other electronic devices and components (104) are positioned at the upper side different from described touch panel (105) of described circuit board (103).
11. the described infrared touch panel of any one claim according to claim 1-10, it is characterized in that, described infrared receiving/transmission element (101) comprises infrared emission component and infrared receiver component, is positioned at least two infrared emission components of the same side in described infrared emission component towards different directions.
12. infrared touch panel according to claim 11, it is characterized in that, described backing plate (107) comprises the first end to end backing plate, the second backing plate, the 3rd backing plate and the 4th backing plate, described infrared emission component is positioned on described the first backing plate and/or described the 3rd backing plate, described infrared receiver component is positioned on described the second backing plate and/or described the 4th backing plate, is arranged at least two infrared emission components of described infrared emission component on described the first backing plate and/or described the 3rd backing plate towards different directions.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220653808 CN203012682U (en) | 2012-11-30 | 2012-11-30 | Infrared touch screen |
| PCT/CN2012/087789 WO2014082365A1 (en) | 2012-11-30 | 2012-12-28 | Infrared touchscreen |
| HK13103588A HK1175647A2 (en) | 2012-11-30 | 2013-03-22 | Infrared touch screen |
| TW102210015U TWM464744U (en) | 2012-11-30 | 2013-05-29 | Infrared touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220653808 CN203012682U (en) | 2012-11-30 | 2012-11-30 | Infrared touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203012682U true CN203012682U (en) | 2013-06-19 |
Family
ID=48604256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220653808 Expired - Lifetime CN203012682U (en) | 2012-11-30 | 2012-11-30 | Infrared touch screen |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN203012682U (en) |
| HK (1) | HK1175647A2 (en) |
| TW (1) | TWM464744U (en) |
| WO (1) | WO2014082365A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107390946B (en) * | 2017-08-31 | 2020-07-10 | 河源中光电通讯技术有限公司 | Display device with touch function and terminal equipment comprising same |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI410685B (en) * | 2009-08-19 | 2013-10-01 | Pixart Imaging Inc | Light guide module, optical touch module, and method of increasing signal to noise ratio of optical touch module |
| CN102419667B (en) * | 2011-10-27 | 2015-03-11 | 北京汇冠新技术股份有限公司 | Light-permeable component used on infrared touch screen, infrared touch screen and touch displayer |
| CN102662534A (en) * | 2012-04-27 | 2012-09-12 | 深圳市天时通科技有限公司 | Touch display device |
-
2012
- 2012-11-30 CN CN 201220653808 patent/CN203012682U/en not_active Expired - Lifetime
- 2012-12-28 WO PCT/CN2012/087789 patent/WO2014082365A1/en active Application Filing
-
2013
- 2013-03-22 HK HK13103588A patent/HK1175647A2/en not_active IP Right Cessation
- 2013-05-29 TW TW102210015U patent/TWM464744U/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| TWM464744U (en) | 2013-11-01 |
| WO2014082365A1 (en) | 2014-06-05 |
| HK1175647A2 (en) | 2013-07-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: GUANGZHOU HUAXIN ELECTRONICS Co.,Ltd. Assignor: BEIJING IRTOUCH SYSTEMS Co.,Ltd. Contract record no.: 2014990000925 Denomination of utility model: Scanning method for trapping and tracking moving target on infrared touch screen Granted publication date: 20130619 License type: Common License Record date: 20141212 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: GUANGZHOU HUAXIN ELECTRONICS Co.,Ltd. Assignor: BEIJING IRTOUCH SYSTEMS Co.,Ltd. Contract record no.: 2014990000925 Date of cancellation: 20160831 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| 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. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220718 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. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |
|
| CX01 | Expiry of patent term |