CN203311382U - Touch screen - Google Patents
Touch screen Download PDFInfo
- Publication number
- CN203311382U CN203311382U CN2012207488313U CN201220748831U CN203311382U CN 203311382 U CN203311382 U CN 203311382U CN 2012207488313 U CN2012207488313 U CN 2012207488313U CN 201220748831 U CN201220748831 U CN 201220748831U CN 203311382 U CN203311382 U CN 203311382U
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- touch panel
- touch
- circuit board
- screen
- optical transceiver
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Abstract
The utility model provides a touch screen which comprises a touch panel, a light receiving and transmitting element and a circuit board. Other electronic devices are arranged on the circuit board, apart from the light receiving and transmitting element. The light receiving and transmitting element and the touch panel are arranged on the same side of the circuit board. The touch screen is characterized in that at least one part of the circuit board coincides with the touch panel. The touch screen further comprises an optical path converting element. The light receiving and transmitting element faces the optical path converting element. The optical path converting element is used for changing the propagating direction of light. Thus, the light emitted by the light receiving and transmitting element towards the optical path converting element is changed to propagate along the surface of the touch panel and the light propagating along the surface of the touch panel and emitted towards the optical patch converting element is changed to propagate towards the light receiving and transmitting element. According to the touch screen, under the condition that high touch experience demands are met, the ultrathin and ultra-narrow frame of the touch screen is obtained.
Description
Technical field
The utility model relates to a kind of touch-screen.
Background technology
Infrared touch panel, because of advantages such as working stability, long service life, is widely applied in various environment.
At present, infrared touch panel generally is comprised of with the frame that contains circuit board the touch panel of the front that is arranged on display, described touch panel is such as being made by glass, and be used to covering display, frame is trapped among the outside of described touch panel, on the four edges of the circuit board in frame, arrange 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 intersected 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 position of touch point at screen.
Fig. 1 shows the structure of existing infrared touch panel, wherein contain the arranged outside of the frame of circuit board 103 around touch panel 105, optical transceiver cell 101 is arranged on circuit board 103, printing opacity frame 110 be arranged on optical transceiver cell towards direction, for filtering, make infrared light pass through, and other light of filtering.
But along with the development of touch-screen and the raising of user's request, the user, when pursuing and better touching and experience, also requires 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 identification touch point, thereby the track following that can also carry out touch point carries out gesture identification.And often extremely important in the gesture of the frame near zone of touch-screen, such as near the finger that slides frame, can carry out page turn over operation etc. to the left or to the right outside frame, 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 meet the user to touching the demand of experiencing.
For the infrared touch panel field, can either realize this real touch experience, can meet again the ultra-thin super narrow 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 touch-screen, can be in the situation that satisfied higher touch demand for experience realizes the ultra-thin super narrow of touch-screen frame.
A kind of touch-screen that the utility model provides, this touch-screen comprises touch panel, optical transceiver cell and circuit board, on described circuit board, be provided with other electronic devices and components except optical transceiver cell, described optical transceiver cell and described touch panel are positioned at the same side of described circuit board, wherein, described circuit board at least a portion and described touch panel are overlapping, this infrared touch panel also comprises the light path converting element, described light path converting element is arranged on described circuit board, described optical transceiver cell is towards described light path converting element, described light path converting element is for changing the direction of propagation of light, make optical transceiver cell send the also light of the described light path converting element of directive and change over the surface propagation along described touch panel, and make along the direction of propagating on the surface of touch panel and the light of the described light path converting element of directive changes over the directive optical transceiver cell and propagate.
The touch-screen that utilizes the utility model to provide, at least a portion of circuit board is placed in to the below of touch panel, only by the arranged outside of optical transceiver cell along touch panel, make like this border width minimum of touch-screen, by the light path converting element, change again the direction of propagation of light, and do not need to make the surface level of optical transceiver cell higher than the touch panel place, thereby can be so that the frame height minimum of touch-screen, and, by embodiment of the present utility model, can near frame, form certain " buffer zone ", in order to carry out better near the touch operation frame, the touch that has greatly strengthened the user is experienced.
The accompanying drawing explanation
Fig. 1 shows the sectional view according to the infrared touch panel of prior art;
Fig. 2 shows the structural representation according to touch-screen of the present utility model;
Fig. 3 shows the side view according to the frame of touch-screen of the present utility model;
Fig. 4 shows the index path according to touch-screen of the present utility model;
Fig. 5 shows the partial enlarged drawing according to the frame shown in Fig. 3 of the first embodiment of the present utility model;
Fig. 6 shows the partial enlarged drawing according to the frame shown in Fig. 3 of the second embodiment of the present utility model;
Fig. 7 shows the partial enlarged drawing according to the frame shown in Fig. 3 of another 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, those of ordinary skills obtain under the prerequisite of not making creative work every other embodiment, belong to the scope that the utility model is protected.
Fig. 2 shows the structural representation according to touch-screen of the present utility model.With reference to figure 2, in order to carry out better the gesture identification of touch-screen frame near zone, such as near the finger that slides frame, can carry out to the left or to the right page turn over operation etc. outside frame, according to the position near frame on the touch panel 105 of touch-screen of the present utility model, has certain buffer zone 106, this buffer zone 106 can touch detection, but on display, do not show the touch information in this buffer zone 106, 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. 3 shows the side view according to the frame of touch-screen of the present utility model; Fig. 4 shows the index path according to touch-screen of the present utility model; Fig. 5 shows the partial enlarged drawing according to the frame shown in Fig. 3 of the first embodiment of the present utility model; Fig. 6 shows the partial enlarged drawing according to the frame shown in Fig. 3 of the second embodiment of the present utility model; Fig. 7 shows the partial enlarged drawing according to the frame shown in Fig. 3 of another embodiment of the present utility model.
Touch-screen for Fig. 2, in order to realize the touch-screen of super narrow frame, the utility model provides a kind of touch-screen, with reference to figure 3 to Fig. 7, this touch-screen comprises touch panel 105, optical transceiver cell 101 and circuit board 103, on described circuit board 103, be provided with other electronic devices and components 104 except optical transceiver cell 101, described optical transceiver cell 101 and described touch panel 105 are positioned at the same side of described circuit board 103, it is characterized in that, described circuit board 103 at least a portion and described touch panel 105 are overlapping, this touch-screen also comprises light path converting element 102, described optical transceiver cell 101 is towards described light path converting element 102, described light path converting element 102 is be used to changing the direction of propagation of light, make optical transceiver cell 101 send the also light of the described light path converting element 102 of directive and change over the surface propagation along described touch panel 105, and make along the direction of propagating on the surface of touch panel 105 and the light of the described light path converting element 102 of directive changes over directive optical transceiver cell 101 and propagate.
According to optical transceiver cell 101 of the present utility model, the infrared receiving/transmission element can be, also other monochromatic transmit-receive cells can be.This optical transceiver cell 101 can adopt surface mount elements, also can adopt the direct insertion element with pin, such as SMD light-emitting tube and direct insertion light-emitting tube etc.Preferably, described optical transceiver cell 101 comprises infrared emission component and infrared receiver component.
Touch-screen of the present utility model uses the zone of buffer zone 106, make circuit board 103 at least a portion and described touch panel 105 overlapping, circuit board 103 is arranged to the below of buffer zone 106, only optical transceiver cell 101 is arranged to touch panel 105 outsides, makes the border width minimum of touch-screen.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.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.In order to touch detection, need to make infrared ray that photocell sends on the plane of touch panel 105, above touch panel 105, to form the scan light net, according to touch-screen of the present utility model, be provided with light path converting element 102, the light that photocell sends can change the direction of propagation by light path converting element 102, so that light is propagated along the surface of touch panel 105, and after along the surface of touch panel 105, spreading into light path converting element 102, again change the direction of propagation and enter light receiving element, thereby can be received by light receiving element, as shown in Figure 4.By light path converting element 102 is set, change the direction of light transmition, photocell and light receiving element just do not need directly to arrange Face to face.Like this, optical transceiver cell 101 can be arranged on the plane at touch panel place, but can be arranged side by side with touch panel 105, perhaps lower than the plane at touch panel place, as long as optical transceiver cell 101 is towards described light path converting element 102 emissions or receive Infrared, just can above touch panel 105, form the scan light net, successfully carry out the identification of touch objects, so, can farthest reduce the height of touch-screen.
With reference to the first embodiment shown in Figure 5, described light path converting element 102 can be the optical filtering frame of the setting of the periphery around described touch panel 105, described light path converting element 102 optical filtering frames have teat 1021 and body 1022, described teat 1021 is between described optical transceiver cell 101 and described touch panel 105, described body 1022 covers on described optical transceiver cell 101, described body 1022 is trapezoidal along the cross section of the direction of vertical described touch panel 105, described trapezoidal going to the bottom is overlapped on described optical transceiver cell 101, described trapezoidal waist and the described out of plumb of going to the bottom in the outer part, described trapezoidal waist in the outer part has reflector layer.
Wherein, described light path converting element 102 can be integrally formed as the optical filtering frame arranged around the periphery of described touch panel 105.Described light path converting element 102 can be not integrally formed yet, for example, can separately be arranged at least one limit of frame of touch-screen.
The teat 1021 of light path converting element 102 can be fixedly connected with circuit board 103 by modes such as welding, bonding or screws.Described teat 1021 can be integrally formed with body 1022, also can be fixedly connected with by the mode such as bonding.
Preferably, the body 1022 of described printing opacity frame also covers on the edge of described touch panel 105.Because the teat 1021 of optical filtering frame is fixed on circuit board 103, body 1022 can be pushed down touch panel 105, thereby touch panel 105 can be fixed on circuit board 103, so just can prevent that touch panel 105 is from landing on circuit board 103, can prevent conversely speaking, that perhaps circuit board 103 is from landing on touch panel 105.
The second embodiment with reference to figure 6, described light path converting element 102 has body 1022, described body 1022 covers on described touch panel 105 and described optical transceiver cell 101, described body 1022 is trapezoidal along the cross section of the direction of vertical described touch panel 105, described trapezoidal going to the bottom is fixedly connected with described touch panel 105, described trapezoidal waist and the described out of plumb of going to the bottom in the outer part, described waist in the outer part has reflector layer.
Similar with the first embodiment, described light path converting element 102 is preferably the optical filtering frame arranged around the periphery of described touch panel 105.
The main difference part of the second embodiment and the first embodiment is, in the second embodiment, light path converting element 102 does not have teat 1021, the body 1022 of light path converting element 102 can be fixedly connected with touch panel 105 by modes such as bonding or screws, and optical transceiver cell 101 can further reduce the border width of touch-screen directly by the edge setting of touch panel 105.
According to Fig. 5 and embodiment shown in Figure 6, the body 1022 of light path converting element 102 can be made by light transmissive material.In the situation that optical transceiver cell 101 is the infrared receiving/transmission element, described light path converting element 102 is made by the light transmissive material that can see through Infrared, and preferably, this light path converting element 102 can also elimination other light except Infrared.
The waist in the outer part of optical filtering frame has reflector layer, for changing the direction of propagation of light, to from photocell, sending the also light of directive optical filtering frame, reflect, it is propagated on the surface of touch panel 105, and reflect on the surface along touch panel 105, propagating the also light of the described light path converting element 102 of directive, make its directive light receiving element.
Preferably, described optical transceiver cell can vertically be arranged on described circuit board 103, described trapezoidal waist in the outer part and the described miter angle of going to the bottom into.Be appreciated that, optical transceiver cell 101 also can become with circuit board the direction of non-an angle of 90 degrees that the also body 1022 of object light path conversion element 102 is installed, the waist in the outer part of body 1022 can be adjusted according to the installation direction of optical transceiver cell 101 with described angle of going to the bottom, as long as the light that photocell can be sent is along the surface reflection of touch panel and will towards light receiving element, launch along the light that propagate on the surface of touch panel.
In order to prevent as much as possible weakening of light intensity, make light receiving element can receive the well lighted that signal is stronger, the reflector layer at described trapezoidal waist place in the outer part is preferably total reflection layer, thus the infrared light that photocell can be sent is all launched.
Preferably, described trapezoidal upper base has light shield layer.Like this, can prevent the loss of light in the printing opacity frame.
Described trapezoidal waist in the inner part preferably with described go to the bottom vertical, thereby can be so that the frame of touch-screen be more attractive in appearance.
According to the third embodiment, described light path converting element 102 also can be transmitting mirror, this catoptron is fixed on described touch panel 105 or circuit board 103, the reflective surface of described catoptron acutangulates setting towards described touch panel 105 and with described touch panel 105, and described optical transceiver cell 101 is towards the reflective surface of described catoptron.
Preferably, described optical transceiver cell 101 vertically is arranged on described circuit board 103,105 one-tenth miter angles of described reflective mirror and described touch panel.
Be appreciated that, described light path converting element 102 is not limited to above-mentioned concrete embodiment, also can adopt other forms, as long as can change the direction of propagation of light, make photocell send and the light of the described light path converting element 102 of directive changes over along the surface of described touch panel 105 and propagates, and make along the direction of propagating on the surface of touch panel 105 and the light of the described light path converting element 102 of directive changes over the directive light receiving element and propagate.
According to touch-screen of the present utility model, described other electronic devices and components 104 can be positioned at sides different from described touch panel on described circuit board, as shown in Figure 5 and Figure 6.Described other electronic devices and components 104 also can be positioned at a side identical with described touch panel 105 on described circuit board 103.Can groove be set at the touch panel edge, be used to holding described other electronic devices and components 104, like this, integral thickness is thinner, as shown in Figure 7.
With reference to figure 2, because the position near frame on touch panel 105 has certain buffer zone 106, this buffer zone 106 can touch detection again, but on display, does not show the touch information in this buffer zone 106.Thus, the viewing area of described touch panel 105 can be less than effective touch area of described touch panel 105, in order to carry out better near the touch operation frame, improves user's touch and experiences.Effective touch area of touch panel 105 can comprise viewing area and 106 two zones of the buffer zone outside viewing area at touch panel middle part.Can for example,, by the position of the buffer zone 106 on touch panel 105, covering the opaque silk-screen of one deck (black silk-screen), distinguish the buffer zone 106 outside viewing area and viewing area.
The touch-screen that utilizes the utility model to provide, at least a portion of circuit board is placed in to the below of touch panel, only by the arranged outside of optical transceiver cell along touch panel, make like this border width minimum of touch-screen, by the light path converting element, change again the direction of propagation of light, and do not need to make the surface level of optical transceiver cell higher than the touch panel place, thereby can be so that the frame height minimum of touch-screen, and, by embodiment of the present utility model, can near frame, form certain " buffer zone ", in order to carry out better near the touch operation frame, the touch that has greatly strengthened the user is experienced.Thus, can be in the situation that satisfied higher touch demand for experience realizes the ultra-thin super narrow of touch-screen frame.
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, 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 (14)
1. touch-screen, this touch-screen comprises touch panel (105), optical transceiver cell (101) and circuit board (103), on described circuit board (103), also be provided with other electronic devices and components (104) except optical transceiver cell, described optical transceiver cell (101) and described touch panel (105) are positioned at the same side of described circuit board (103), it is characterized in that, described circuit board (103) at least a portion and described touch panel (105) are overlapping, this touch-screen also comprises light path converting element (102), described optical transceiver cell (101) is towards described light path converting element (102), described light path converting element (102) is the direction of propagation of light for a change, make optical transceiver cell (101) send the also light of the described light path converting element of directive (102) and change over the surface propagation along described touch panel (105), and make along propagating on the surface of touch panel (105) and the light of the described light path converting element of directive (102) changes over the light path converting element that the direction of directive optical transceiver cell (101) is propagated.
2. touch-screen according to claim 1, is characterized in that, described optical transceiver cell (101) is set directly on described circuit board (103) along the outward flange of described circuit board (103).
3. touch-screen according to claim 1, it is characterized in that, described light path converting element (102) has body (1022) and teat (1021), described teat (1021) is positioned between described optical transceiver cell (101) and described touch panel (105) and is fixedly connected with described circuit board (103), described body (1022) covers on described optical transceiver cell (101), described body (1022) is trapezoidal along the cross section of the direction of vertical described touch panel (105), described trapezoidal going to the bottom is overlapped on described optical transceiver cell (101), described trapezoidal waist and the described out of plumb of going to the bottom in the outer part, described trapezoidal waist in the outer part has reflector layer.
4. touch-screen according to claim 3, is characterized in that, described body (1022) also covers on the edge of described touch panel (105).
5. touch-screen according to claim 1, it is characterized in that, described light path converting element (102) has body (1022), described body (1022) covers on described touch panel (105) and described optical transceiver cell (101), described body (1022) is trapezoidal along the cross section of the direction of vertical described touch panel (105), described trapezoidal going to the bottom is fixedly connected with described touch panel (105), described trapezoidal waist and the described out of plumb of going to the bottom in the outer part, described waist in the outer part has reflector layer.
6. according to the described touch-screen of claim 3 or 5, it is characterized in that, it is upper that described optical transceiver cell (101) vertically is arranged on described circuit board (103), described trapezoidal waist in the outer part and the described miter angle of going to the bottom into.
7. according to the described touch-screen of claim 3 or 5, it is characterized in that, the reflector layer on described trapezoidal waist in the outer part is total reflection layer.
8. according to the described touch-screen of claim 3 or 5, it is characterized in that, described trapezoidal upper base has light shield layer.
9. according to the described touch-screen of claim 3 or 5, it is characterized in that, described trapezoidal waist in the inner part with described go to the bottom vertical.
10. touch-screen according to claim 1, it is characterized in that, described light path converting element (102) is catoptron, this catoptron is fixed on described touch panel (105) or circuit board (103), the reflective surface of described catoptron acutangulates setting towards described touch panel (105) and with described touch panel (105), and described optical transceiver cell (101) is towards the reflective surface of described catoptron.
11. touch-screen according to claim 10, is characterized in that, it is upper that described optical transceiver cell (101) vertically is arranged on described circuit board (103), and described catoptron becomes miter angle with described touch panel (105).
12. according to the described touch-screen of any one claim in claim 1-5,10-11, it 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).
13. touch-screen according to claim 12, is characterized in that, the edge of described touch panel (105) is provided be used to holding the groove of described other electronic devices and components (104).
14. according to the described touch-screen of any one claim in claim 1-5,10-11, it 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207488313U CN203311382U (en) | 2012-12-29 | 2012-12-29 | Touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207488313U CN203311382U (en) | 2012-12-29 | 2012-12-29 | Touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203311382U true CN203311382U (en) | 2013-11-27 |
Family
ID=49617574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207488313U Expired - Lifetime CN203311382U (en) | 2012-12-29 | 2012-12-29 | Touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203311382U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103019481A (en) * | 2012-12-29 | 2013-04-03 | 北京汇冠新技术股份有限公司 | Touch screen |
-
2012
- 2012-12-29 CN CN2012207488313U patent/CN203311382U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103019481A (en) * | 2012-12-29 | 2013-04-03 | 北京汇冠新技术股份有限公司 | Touch screen |
| CN103019481B (en) * | 2012-12-29 | 2017-09-29 | 北京汇冠新技术股份有限公司 | Touch-screen |
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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: Touch screen with heat radiation structure Granted publication date: 20131127 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 | ||
| 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: 20220810 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. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131127 |