CN203561971U - Touch control panel - Google Patents
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- CN203561971U CN203561971U CN201320640175.XU CN201320640175U CN203561971U CN 203561971 U CN203561971 U CN 203561971U CN 201320640175 U CN201320640175 U CN 201320640175U CN 203561971 U CN203561971 U CN 203561971U
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Abstract
The utility model relates to the technical field of touch control, and provides a touch control panel, which includes a sensing area, an emitter positioned located at one corner of the sensing area, a detector positioned at another corner of the sensing area, and a plurality of switching optical lens arrayed on the side edges of the sensing area, wherein the emitter is used for generating a light ray; the detector is used for receiving the light ray; the light ray emitted by the emitter is reflected by two or more opposite switching optical lens, and then changes the advancing direction, and further is transmitted to the detector. The touch control panel saves cost and reduces the energy consumption as only one emitter and one detector are required to accurately confirm a touch point.
Description
Technical field
The utility model system has about touch technology, especially a kind of optical touch control panel with switching regulator optical frames.
Background technology
In the market of various consumption electronic products now, the interface tool that the portable electronic products such as personal digital assistant (PDA), mobile phone (mobile Phone), notebook computer (notebook) and flat computer (tablet PC) are used contact panel (touch panel) to link up as its data all widely.According to the difference of sensing principle, contact panel can be divided into the types such as electricity formula, optical profile type and acoustics formula.
Existing optical touch control panel is, in the surrounding of contact panel, multiple transmitters and detector are set, and transmitter and detector are according to relation composition transmitting one to one and detecting array, by judging that only no being blocked between transmitter and detector judges whether to occur touch event.Above-mentioned optical touch control panel needs a large amount of transmitters and detector accurately to judge touch point, but thus, will cause that optical touch control panel cost is high, the problem such as large consumes energy.
Summary of the invention
For addressing the above problem, the utility model provides a kind of contact panel to include a sensing region, be positioned at a transmitter in sensing region one corner, be positioned at a detector in another corner of sensing region, and a plurality of switching regulator optical frames is arranged in the side of sensing region.Transmitter is in order to produce a light, and detector is in order to receive light.The light that transmitter sends changes direct of travel through the reflection of at least two relative switching regulator optical frames, to be passed to detector.
Further, those switching regulator optical frames that wherein change light going direction lay respectively at two relative sides of sensing region, the light that transmitter sends is along one of them transmission of dual side-edge, and march to wherein another of dual side-edge through changing those one of them reflections of switching regulator optical frames of light going direction along one first path, another reflection wherein of those switching regulator optical frames through changing light going direction and be passed to detector along another side.
Further, those switching regulator optical frames systems that wherein change light going direction lay respectively at another two relative sides of sensing region, the light system that transmitter sends marches to another side through changing those one of them reflections of switching regulator optical frames of light going direction along one second path, the second path and the first path are not parallel relation in sensing region.
Further, wherein respectively this switching regulator optical frames has an opening and a closed condition, when opening, can make light total reflection, can make light entirely penetrate when closed condition.
Further, wherein more comprise a plurality of switches, be electrically connected each switching regulator optical frames.
Further, wherein each switching regulator optical frames includes to row formula liquid crystal layer, and it is between two transparent materials.
Further, wherein each switching regulator optical frames includes a ferroelectric liquid crystal layer and a spectroscope.
Further, wherein each switching regulator optical frames has spinfunction, and each switching regulator optical frames forms by a plurality of micro-level crossing.
Further, wherein more comprise at least one cylindrical lens, be arranged in sensing region, and be positioned at the bang path of light, the corresponding each switching regulator optical frames of each cylindrical lens arranges.
Further, wherein more comprise that a bandpass filter is arranged at detector front.
Further, wherein the modulation frequency of transmitter between 10MHz～1GHz.
Further, wherein the switching frequency of switching regulator optical frames between 1KHz～1MHz.
Further, wherein more comprise a substrate and be positioned at this sensing region.
Further, wherein transmitter is a generating laser, and light is laser, and switching regulator optical frames is switching regulator level crossing.
Further, wherein sensing region has a first side, a second side, one the 3rd side and a four side, first side is corresponding with second side, the 3rd side is corresponding with four side, the two ends of first side join with the 3rd side and four side, the two ends of second side join with the 3rd side and four side, and transmitter is positioned at the corner that first side and the 3rd side join, and detector is positioned at the corner that second side and four side join.
Further, wherein more comprise at least one level crossing, be arranged in the corner that corner that first side, touch area and four side join and second side and the 3rd side join, and those switching regulator optical frames that change light going direction lay respectively at the 3rd side and four side, the light that transmitter sends sequentially transmits along first side, through be positioned at the corner that first side and four side join flat mirror reflects and along four side transmission, and along the second path, march to the 3rd side through being positioned at the switching regulator optical frames reflection of four side, again through be positioned at the 3rd side switching regulator optical frames reflection and along the 3rd side transmission, again through being positioned at the flat mirror reflects in the corner that second side and the 3rd side join and being passed to detector along second side.
Further, those switching regulator optical frames that wherein change light going direction lay respectively at the 3rd side, four side, the corner that the corner that first side and four side join and second side and the 3rd side join, the light that transmitter sends sequentially transmits along first side, through be positioned at the corner that first side and four side join the reflection of switching regulator optical frames and along four side transmission, and along the second path, march to the 3rd side through being positioned at the switching regulator optical frames reflection of four side, again through be positioned at the 3rd side switching regulator optical frames reflection and along the 3rd side transmission, again through being positioned at the switching regulator optical frames reflection in the corner that second side and the 3rd side join and being passed to detector along second side.
Contact panel provided by the utility model, is provided with a plurality of switching regulator optical frames, and is only provided with a transmitter and a detector.The light being sent by transmitter, changes direct of travel by the reflection of each switching regulator optical frames, finally by detector, is received.Therefore do not need to arrange many group transmitters and detector, reach and save cost and the effect that reduces power consumption.
Accompanying drawing explanation
Fig. 1 illustrates the touch panel structure provided schematic diagram of first preferred embodiment of the utility model.
The contact panel that Fig. 2 illustrates the utility model the first preferred embodiment carries out the schematic diagram of a first direction touch points while judging.
The contact panel that Fig. 3 illustrates the utility model the first preferred embodiment carries out the schematic diagram of a first direction touch points while judging.
The contact panel that Fig. 4 illustrates the utility model the first preferred embodiment carries out the schematic diagram of a second direction touch points while judging.
Fig. 5 A illustrates the closed condition structure of switching regulator optical frames the first enforcement aspect of the utility model contact panel.
Fig. 5 B illustrates the opening structure of switching regulator optical frames the first enforcement aspect of the utility model contact panel.
Fig. 6 A illustrates the closed condition structure of switching regulator optical frames the second enforcement aspect of the utility model contact panel.
Fig. 6 B illustrates the opening structure of switching regulator optical frames the second enforcement aspect of the utility model contact panel.
Fig. 7 A illustrates the closed condition structure of the third enforcement aspect of switching regulator optical frames of the utility model contact panel.
Fig. 7 B illustrates the opening structure of the third enforcement aspect of switching regulator optical frames of the utility model contact panel.
Fig. 8 illustrates the touch panel structure provided schematic diagram of second preferred embodiment of the utility model.
Embodiment
For making to have the knack of under the utility model skill person as one of technical field, can further understand the utility model, below spy enumerates the preferred embodiment of the utility model, and coordinate appended graphicly, describe constitution content of the present utility model in detail and the effect reached is wanted by institute.
For convenience of description, the each graphic of the utility model is only to illustrate to be easier to understand the utility model, and its detailed ratio can be adjusted according to the demand of design.Description is for the upper and lower relation of relative component in figure in the text, people in this area all will be understood that the relative position that it means object, therefore all can overturn and present identical member, this all should belong to the scope that this instructions discloses together, in this appearance, first chats bright.
Fig. 1 illustrates the touch panel structure provided schematic diagram of first preferred embodiment of the utility model, as shown in Figure 1, contact panel 1 of the present utility model includes a sensing region 10, wherein sensing region 10 can comprise framework or a substrate of a hollow, wherein substrate can comprise hard substrate or bendable substrate, and can be by transparent or transparent materials is formed.Sensing region 10 has a first side 32, a second side 34, one the 3rd side 36 and a four side 38.Corresponding with the second side 34 and parallel first direction in first side 32 (being X-axis in the present embodiment), corresponding with the four side 38 and parallel second direction of the 3rd side 36 (being Y-axis in the present embodiment).The two ends of first side 32 join with the 3rd side 36 and four side 38, and the two ends of second side 34 join with the 3rd side 36 and four side 38.
In a wherein corner of sensing region 10, for example, be that the corner that first side 32 and the 3rd side 36 join is provided with a transmitter 12.And in another corner of sensing region 10, for example, be that the corner that second side 34 and four side 38 join is provided with a detector 14, the utility model arranges corner also unrestrictedly to transmitter 12 and detector 14.The transmitter 12 of the present embodiment is preferably a generating laser, and the light sending can be laser, better 800 nanometers that are greater than of its wavelength, because wavelength is greater than visible light wavelength, therefore this light can not seen by human eye, also can not affect the display effect of contact panel 1, but be not limited to this.In the utility model, the light (not shown) that transmitter 12 is launched, can be received by detector 14, and contact panel 1 more comprises that a processor (not shown) is connected with detector 14, when detector 14 receives light, can produce at least one signal and be passed to processor, processor can be analyzed according to signal.The front of detector 14, alternative is provided with a bandpass filter (band-pass filter) 22, bandpass filter 22 only allows the light of specific wavelength to pass through, with the present embodiment, bandpass filter 22 can allow the light being sent by transmitter 12 to pass through, and be positioned at contact panel 1 surround lighting around, will be completely cut off or stop by bandpass filter 22, and cannot be passed to detector 14, the noise that reduces detector 14 to receive environment light source and to produce, the precision of raising contact panel.
In addition, the contact panel 1 of the present embodiment includes a plurality of the first switching regulator optical frames 16 and is arranged on first side 32 and second side 34, separately comprises that a plurality of second switch formula optical frames 18 are arranged on the 3rd side 36 and four side 38.Wherein each the first switching regulator optical frames 16 all has an open mode and " shut " mode" with each second switch formula optical frames 18, when each the first switching regulator optical frames 16 or each second switch formula optical frames 18 are during in open mode, can make light total reflection, relatively, when each the first switching regulator optical frames 16 or each second switch formula optical frames 18 are during in " shut " mode", can make light entirely penetrate.And each the first switching regulator optical frames 16 is electrically connected with a switch (not shown) all respectively with each second switch formula optical frames 18, each the first switching regulator optical frames 16 and each second switch formula optical frames 18 can switch on respectively open mode or " shut " mode" by each this switch.In other words, each the first switching regulator optical frames 16 or each second switch formula optical frames 18 have makes light total reflection or the function that light is penetrated entirely, can independently switch by switch.In addition, in the present embodiment, more selectivity includes at least one level crossing 20, is arranged at the corner of sensing region 10, the corner that the corner that for example first side 32 and four side 38 join and second side 34 and the 3rd side 36 join.Wherein level crossing 20 has the function that changes opticpath by total reflection effect.
The contact panel that Fig. 2 illustrates the utility model the first preferred embodiment carries out the schematic diagram of a first direction touch points while judging.As shown in Figure 2, by transmitter 12 light 11 that sends, along first side 32, transmitted, after the reflection of the first switching regulator optical frames 16A on first side 32, change light going direction, along one first path L1, march to second side 34, after the reflection of the first switching regulator optical frames 16B on second side 34, change light going direction again, along second side 34, be passed to detector 14.The the first path L1 forming by light 11 can, in the sensing region of contact panel 1 10, form the light line segment of a second direction (being Y-direction).In the present embodiment, be positioned on first side 32, only having the first switching regulator optical frames 16A is opening by switching over, and remaining each first switching regulator optical frames 16 is all in closed condition.And be positioned on second side 34, only having the first switching regulator optical frames 16B corresponding with the first switching regulator optical frames 16A position is opening by switching over, remaining each first switching regulator optical frames 16 is all in closed condition.Therefore,, on first side 32, except the first switching regulator optical frames 16A has the function that makes light 11 total reflections, remaining first switching regulator optical frames 16 all has the function that light 11 is penetrated entirely.On second side 34, except the first switching regulator optical frames 16B has the function that makes light 11 total reflections, remaining first switching regulator optical frames 16 all has the function that light 11 is penetrated entirely.When contact panel 1 is not subject to touching, transmitter 12 emits beam after 11, and light 11 is sequentially reflected by the first switching regulator optical frames 16A and the first switching regulator optical frames 16B, is received afterwards by detector 14.And work as contact panel 1, touched, and touch points was positioned at the first path L1 of sensing region 10 when upper, because the light 11 sending from transmitter 12 is blocked by touch point, therefore cannot be passed to detector 14, the processor being now connected with detector 14 can be according to the position of the first switching regulator optical frames 16A and the first switching regulator optical frames 16B, record the coordinate position (with the present embodiment, being the coordinate of directions X) on touch points first direction.
In the present embodiment, each the first switching regulator optical frames 16 being positioned on first side 32 and second side 34 can be sequentially opening by switching over, please refer to Fig. 3, the contact panel that Fig. 3 illustrates the utility model the first preferred embodiment carries out the schematic diagram of a first direction touch points while judging.As shown in Figure 3, the first switching regulator optical frames 16C and the first switching regulator optical frames 16D corresponding with its position are opening by switching over, and all the other first switching regulator optical frames 16 that are positioned on first side 32 and second side 34 are all closed condition.Transmitter 12 sends a light 11' and change light going direction after the reflection of the first switching regulator optical frames 16C on first side 32, along one first path L1', advance, then be passed to detector 14 after the reflection of the first switching regulator optical frames 16D on second side 34.With the present embodiment, give an example, the first path L1' is positioned on different X-axis coordinates from the first path L1, and therefore the first path L1' and the first path L1 can judge for the touch points of diverse location.It should be noted that, except the first path L1' and the first path L1, the utility model more can be sent by transmitter 12 other light (not shown), and by the first different switching regulator optical frames 16 of switching over, and then produce other the first path (not shown), present vertical direction (Y-axis).Each the first path is parallel each other in sensing region 10, with the first direction coordinate of the touch points in complete judgement sensing region 10.It should be noted that, each the first switching regulator optical frames 16 on above-mentioned first side 32 and second side 34, its opening sequence is also unrestricted, but when one first switching regulator optical frames 16 on first side 32 is opened, be positioned on second side 34, the first relative switching regulator optical frames 16 of its position also needs to open, so that light is passed on detector 14.
The contact panel that Fig. 4 illustrates the utility model the first preferred embodiment carries out the schematic diagram of a second direction touch points while judging.As shown in Figure 4, transmitter 12 sends a light 13 and sequentially along first side 32, transmits, through being positioned at the level crossing 20A reflection in the corner that first side 32 and four side 38 join and transmitting along four side 38, and along one second path L2, march to the 3rd side 36 through being positioned at the second switch formula optical frames 18A reflection of four side 38, again through being positioned at the switching regulator optical frames 18B reflection of the 3rd side 36 and transmitting along the 3rd side 36, through the level crossing 20B that is positioned at the corner that second side 34 and the 3rd side 36 join, reflect and be passed to detector 14 along second side 34 again.The second path L2 and aforementioned the first path L1 have an angle, and this angle is preferably right angle, and namely the first path L1 and the second path L2 are better orthogonal.Be described in more detail, in the present embodiment, be positioned on four side 38, only having second switch formula optical frames 18A is opening by switching over, and remaining each second switch formula optical frames 18 is all in closed condition.And be positioned on the 3rd side 36, only having the second switch formula optical frames 18B corresponding with second switch formula optical frames 18A position is opening by switching over, remaining each second switch formula optical frames 18 is all in closed condition.Therefore, on four side 38, except second switch formula optical frames, 18A has the function that makes light total reflection, and remaining second switch formula optical frames 18 all has the function that light is penetrated entirely.On the 3rd side 36, except second switch formula optical frames, 18B has the function that makes light total reflection, and remaining second switch formula optical frames 18 all has the function that light is penetrated entirely.And on first side 32 and second side 34, the first all switching regulator optical frames 16 all presents closed condition, and light can be penetrated entirely.The second path L2 that the present embodiment is produced by light 13 forms the light line segment of a first direction (being directions X).When contact panel 1 is not subject to touching, the light 13 being sent by transmitter 12 can be walked along the second path L2, by detector 14, received, and work as contact panel 1, touched, and when touch points is positioned on the second path L2, because the light 13 sending from transmitter 12 is blocked by touch point, therefore cannot be passed to detector 14, the processor being now connected with detector 14 can be according to the position of second switch formula optical frames 18A and second switch formula optical frames 18B, record coordinate position in touch points second direction (with the present embodiment, be the coordinate of Y-direction).Similarly, in the present embodiment, the each second switch formula optical frames 18 being positioned on the 3rd side 36 and four side 38 can be sequentially opening by switching over, to produce other the second path (not shown), and respectively this second path presents horizontal direction (X-axis), with the second direction coordinate of the touch points in complete judgement sensing region 10.It should be noted that, each second switch formula optical frames 18 on above-mentioned the 3rd side 36 and four side 38, its opening sequence is also unrestricted, but when the second switch formula optical frames 18 on the 3rd side 36 is opened, be positioned on four side 38, the relative second switch formula optical frames 18 in its position also needs to open, so that light is passed on detector 14.
In the present embodiment, level crossing 20A and 20B can also be substituted by switching regulator optical frames, and second switch formula optical frames 18 lays respectively at the corner that corner that the 3rd side 36, four side 38, first side 32 and four side 38 join and second side 34 and the 3rd side 36 join.The light transfer mode that transmitter sends, to aforementioned similar, does not repeat in addition.
Above-mentioned contact panel 1 carries out respectively the judgement of first direction touch points and the judgement of second direction touch points, to obtain respectively X-axis coordinate and the Y-axis coordinate of touch points.In addition, the first direction touch points judgement of above-mentioned contact panel 1 and the judgement of second direction touch points, the utility model carries out order unrestricted to it, that is to say, the utility model also can first carry out the judgement of second direction touch points, just carry out the judgement of first direction touch points, or even first direction touch points judgement carries out alternately with the judgement of second direction touch points, all belong in the scope that the utility model contains.
Below will narrate for the structure of the switching regulator optical frames of the utility model contact panel (comprising each the first switching regulator optical frames 16 and each second switch formula optical frames 18).For simplified illustration, following figure only illustrates the wherein partial enlarged drawing of the first switching regulator optical frames 16, and in the utility model, each second switch formula optical frames 18 is except position, and all the other structures are identical with the first switching regulator optical frames 16, therefore do not repeat in addition.
Please refer to Fig. 5 A～5B, Fig. 5 A illustrates the closed condition structure of switching regulator optical frames the first enforcement aspect of the utility model contact panel, and Fig. 5 B illustrates the opening structure of switching regulator optical frames the first enforcement aspect of the utility model contact panel.As shown in Fig. 5 A～5B, one first switching regulator optical frames 16' include one to row formula liquid crystal layer 46 between two hyaline layers 42, and between row formula liquid crystal layer 46 and hyaline layer 42, more include an electrode layer 44.Hyaline layer 42 can be clear glass or plastic material, is preferably hard material, and electrode layer 44 includes the good transparent material of electric conductivity, as tin indium oxide (indium tin oxide, but be not limited to this ITO) or indium zinc oxide (indium zinc oxide, IZO) etc..And electrode layer 44 is connected with outside switch (not shown), can, by opening switch, to electrode layer 44, applies a voltage, and then change the Liquid Crystal Molecules Alignment direction to row formula liquid crystal layer 46 inside.When switch is when cutting out, as shown in Figure 5A, a light L enters the first switching regulator optical frames 16' by outside, can, after time refraction of inner plural number, penetrate the first switching regulator optical frames 16'.It should be noted that and not execute that alive its refractive index approximates greatly the refractive index of hyaline layer 42 to row formula liquid crystal layer 46, therefore when light by time, can directly penetrate to row formula liquid crystal layer 46 and can not be reflected.And when switch open, as shown in Figure 5 B, one voltage puts on electrode layer 44, therefore change to the Liquid Crystal Molecules Alignment direction of row formula liquid crystal layer 46 inside, further change the refractive index to row formula liquid crystal layer 46, now the refractive index of glass will be greater than to the refractive index of row formula liquid crystal layer 46, and now a light L' enters the first switching regulator optical frames 16' by outside, when light L' is passed to row formula liquid crystal layer 46 surperficial, will produce total reflection, and change the direct of travel of light L'.Due to this switching regulator optical frames that comprises liquid crystal layer structure, its switching speed is very fast, and approximately only needing 30 microseconds is changeable open mode or " shut " mode", therefore can promote quality and the speed of the utility model contact panel.
Please refer to Fig. 6 A～6B, Fig. 6 A illustrates the closed condition structure of switching regulator optical frames the second enforcement aspect of the utility model contact panel, and Fig. 6 B illustrates the opening structure of switching regulator optical frames the second enforcement aspect of the utility model contact panel.As shown in Fig. 6 A～6B, one first switching regulator optical frames 16'' includes a polarization spectroscope (polarizing beam splitter) 54 and a ferroelectric liquid crystal layer (ferroelectric liquid crystal layer) 52, in the present embodiment, ferroelectric liquid crystal layer has the feature of birefringence (Birefrigence), when applying an impressed voltage, will change the Liquid Crystal Molecules Alignment of ferroelectric liquid crystal layer 52 inside, and then change by the polarization direction of the light of ferroelectric liquid crystal layer 52, that is to say, ferroelectric liquid crystal layer 52 can have the feature of half-wave plate (Half Wave Plate), but be not limited to this.The light of the present embodiment is preferably the linearly polarized photon through ovennodulation, as laser.When the first switching regulator optical frames 16'' is closed condition, as shown in Figure 6A, when the light L of one outside passes through the first switching regulator optical frames 16'', first after ferroelectric liquid crystal layer 52, the polarization direction of its light does not change, the applicable polarization spectroscope 54 of arranging in pairs or groups again, make the penetrable polarization spectroscope 54 of crossing of light, contrary, when the first switching regulator optical frames 16'' is opening, as shown in Figure 6B, apply a voltage in ferroelectric liquid crystal layer 52, change by the polarization direction of the light of ferroelectric liquid crystal layer 52.When the light L' of an outside passes through the first switching regulator optical frames 16'', first, after ferroelectric liquid crystal layer 52, the change of polarized direction of its light, the more applicable polarization spectroscope 54 of arranging in pairs or groups, make light can be polarized spectroscope 54 total reflections.The switching time of this kind of switching regulator optical frames, be only about 10 microseconds.
The technician that the material characteristics of above-mentioned ferroelectric liquid crystal layer and polarization spectroscope is this area is known, and therefore repeats no more.It should be noted that, configuration according to different ferroelectric liquid crystal layer 52 with polarization spectroscope 54, the first switching regulator optical frames 16'' of this enforcement aspect, can also be the polarization direction that ferroelectric liquid crystal layer 52 changes the light passing through during closed condition, and polarization spectroscope 54 penetrates light entirely; During opening, ferroelectric liquid crystal layer 52 does not change the polarization direction of the light passing through, and polarization spectroscope 54 makes light total reflection, and its configuration also belongs in covering scope of the present utility model.
Please refer to Fig. 7 A～7B, Fig. 7 A illustrates the closed condition structure of the third enforcement aspect of switching regulator optical frames of the utility model contact panel, and Fig. 7 B illustrates the opening structure of the third enforcement aspect of switching regulator optical frames of the utility model contact panel.As shown in Fig. 7 A～7B, the first switching regulator optical frames 16''' is comprised of a plurality of micro-level crossings 62.Micro-level crossing 62 has spinfunction, can change by switch its angle with respect to transmitter.When the first switching regulator optical frames 16''' is closed condition, as shown in Figure 7 A, light L can pass through the first switching regulator optical frames 16''', and when the first switching regulator optical frames 16''' opens by switch, as shown in Figure 7 B, all micro-level crossings 62 will rotate simultaneously and change its angle, make light L' be subject to the total reflection of each micro-level crossing 62, and change its direct of travel.It should be noted that this enforcement aspect splits into multiple micro-level crossings by switching regulator optical frames, so can significantly reduce the switching time of switching regulator optical frames, according to the quantity of micro-level crossing, be about 10 microseconds the switching time of switching regulator optical frames.
It should be noted that, the switching regulator optical frames of above-mentioned each enforcement aspect is preferably switching regulator level crossing, its switching frequency is approximately between 1K hertz (Hz)～1M hertz (Hz), and the light that the utility model is sent by transmitter, its modulation frequency is approximately between 10M hertz (Hz)～1G hertz (Hz), that is to say, light frequency of the present utility model is much larger than the switching frequency of switching regulator optical frames, thus, detector 14 can effectively be distinguished the frequency of light and the frequency of switching regulator optical frames, reduce detector 14 and receive noise.In addition, the switching regulator optical frames of above-mentioned each enforcement aspect only different may be implemented structure for several, the utility model is not limited to this, as long as switching regulator optical frames meets under different states, can make light there is the feature entirely penetrating with total reflection, all should belong in the scope that the utility model contains.
In addition,, in order to reduce the usage quantity of switching regulator optical frames, the second preferred embodiment of the present utility model proposes a contact panel.Please refer to Fig. 8, Fig. 8 illustrates the touch panel structure provided schematic diagram of second preferred embodiment of the utility model, and as shown in Figure 8, contact panel 2 its structures of the present utility model and contact panel 1 are roughly the same, include a sensing region 10.Sensing region 10 has a first side 32, a second side 34, one the 3rd side 36 and a four side 38.Corresponding with the second side 34 and parallel first direction in first side 32 (being X-axis in the present embodiment), corresponding with the four side 38 and parallel second direction of the 3rd side 36 (being Y-axis in the present embodiment).The two ends of first side 32 join with the 3rd side 36 and four side 38, and the two ends of second side 34 join with the 3rd side 36 and four side 38.In a wherein corner of sensing region 10, for example, be that the corner that first side 32 and the 3rd side 36 join is provided with a transmitter 12.And in another corner of sensing region 10, for example, be that the corner that second side 34 and four side 38 join is provided with a detector 14.In addition, the contact panel 2 of the present embodiment more includes a plurality of the first switching regulator optical frames 16, is arranged on first side 32 and second side 34.Separately comprise a plurality of second switch formula optical frames 18, be arranged on the 3rd side 36 and four side 38.The present embodiment and the utility model the first preferred embodiment difference are, in the inside of sensing region 10, more be provided with a plurality of cylindrical lenses 72, and cylindrical lens 72 is positioned on the path that light passes through, the corresponding each switching regulator optical frames of each cylindrical lens 72 arranges.Transmitter 12 sends a light, by sensing region 10, produces a Third Road footpath L3.When the light that is positioned at sensing region 10 is during by cylindrical lens 72, the diameter of its light will be amplified by cylindrical lens 72 and broaden, and when light leaves sensing region 10 again by cylindrical lens 72, the diameter of light will be dwindled by cylindrical lens 72.Thus, due to wider by the light diameter in sensing region 10, therefore can reduce the usage quantity of switching regulator optical frames, further reduce cost of manufacture.Will be understood that, the contact panel 2 of the utility model the second preferred embodiment, the structure of its switching regulator optical frames, can combine mutually with the first preferred embodiment, also should belong in covering scope of the present utility model.
In sum, provided by the utility model touch panel structure provided, be provided with a plurality of switching regulator optical frames, and be only provided with a transmitter and a detector.The light being sent by transmitter, changes direct of travel by the reflection of each switching regulator optical frames, finally by detector, is received.Therefore do not need to arrange many group transmitters and detector, reach and save cost and the effect that reduces power consumption.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in the scope of the utility model protection.
Claims (17)
1. a contact panel, is characterized in that, includes:
One sensing region;
One transmitter, in order to produce a light, this transmitter is positioned at a corner of this sensing region;
One detector, in order to receive this light, is positioned at another corner of this sensing region; And
A plurality of switching regulator optical frames, are arranged in the side of this sensing region, and this light that this transmitter sends changes direct of travel through the reflection of at least two relative switching regulator optical frames, to be passed to this detector.
2. contact panel according to claim 1, it is characterized in that, those switching regulator optical frames that wherein change light going direction lay respectively at two relative sides of this sensing region, this light that this transmitter sends is along one of them transmission of this dual side-edge, and march to wherein another of this dual side-edge through changing those one of them reflections of switching regulator optical frames of light going direction along one first path, another reflection wherein of those switching regulator optical frames through changing light going direction and be passed to this detector along another this side.
3. contact panel according to claim 2, it is characterized in that, those switching regulator optical frames systems that wherein change light going direction lay respectively at another two relative sides of this sensing region, this light system that this transmitter sends marches to another side through changing those one of them reflections of switching regulator optical frames of light going direction along one second path, this second path and this first path are not parallel relation in this sensing region.
4. contact panel according to claim 1, is characterized in that, wherein respectively this switching regulator optical frames has an opening and a closed condition, when this opening, can make this light total reflection, when this closed condition, can make this light entirely penetrate.
5. contact panel according to claim 4, is characterized in that, wherein more comprises a plurality of switches, is electrically connected respectively this switching regulator optical frames.
6. contact panel according to claim 5, is characterized in that, wherein respectively this switching regulator optical frames includes to row formula liquid crystal layer, and it is between two transparent materials.
7. contact panel according to claim 5, is characterized in that, wherein respectively this switching regulator optical frames includes a ferroelectric liquid crystal layer and a spectroscope.
8. contact panel according to claim 5, is characterized in that, wherein respectively this switching regulator optical frames has spinfunction, and each switching regulator optical frames forms by a plurality of micro-level crossing.
9. contact panel according to claim 1, is characterized in that, more comprises at least one cylindrical lens, is arranged in this sensing region, and is positioned at the bang path of this light, respectively respectively this switching regulator optical frames setting of this cylindrical lens correspondence.
10. contact panel according to claim 1, is characterized in that, wherein more comprises that a bandpass filter is arranged at this detector front.
11. contact panels according to claim 1, is characterized in that, wherein the modulation frequency of this transmitter is between 10MHz～1GHz.
12. contact panels according to claim 1, is characterized in that, wherein the switching frequency of this switching regulator optical frames is between 1KHz～1MHz.
13. contact panels according to claim 1, is characterized in that, more comprise a substrate and are positioned at this sensing region.
14. contact panels according to claim 1, is characterized in that, wherein this transmitter is a generating laser, and this light is laser, and this switching regulator optical frames is switching regulator level crossing.
15. contact panels according to claim 3, it is characterized in that, wherein this sensing region has a first side, one second side, one the 3rd side and a four side, Yu Gai second side, this first side is corresponding, the 3rd side is corresponding with this four side, the two ends of this first side join with the 3rd side and this four side, the two ends of this second side join with the 3rd side and this four side, and this transmitter is positioned at the corner that this first side and the 3rd side join, this detector is positioned at the corner that this second side and this four side join.
16. contact panels according to claim 15, it is characterized in that, more comprise at least one level crossing, be positioned at the corner that corner that Zhong Gai first side, this touch area and this four side join and this second side and the 3rd side join, and those switching regulator optical frames that change light going direction lay respectively at the 3rd side and this four side, this light that this transmitter sends sequentially transmits along this first side, through be positioned at the corner that this first side and this four side join this flat mirror reflects and along this four side transmission, and along this second path, march to the 3rd side through being positioned at this switching regulator optical frames reflection of this four side, again through be positioned at the 3rd side the reflection of this switching regulator optical frames and along the 3rd side transmission, again through being positioned at this flat mirror reflects in the corner that this second side and the 3rd side join and being passed to this detector along this second side.
17. contact panels according to claim 15, it is characterized in that, those switching regulator optical frames that wherein change light going direction lay respectively at the 3rd side, this four side, the corner that the corner that this first side and this four side join and this second side and the 3rd side join, this light that this transmitter sends sequentially transmits along this first side, through be positioned at the corner that this first side and this four side join this switching regulator optical frames reflection and along this four side transmission, and along this second path, march to the 3rd side through being positioned at this switching regulator optical frames reflection of this four side, again through be positioned at the 3rd side the reflection of this switching regulator optical frames and along the 3rd side transmission, again through being positioned at this switching regulator optical frames reflection in the corner that this second side and the 3rd side join and being passed to this detector along this second side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320640175.XU CN203561971U (en) | 2013-10-15 | 2013-10-15 | Touch control panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320640175.XU CN203561971U (en) | 2013-10-15 | 2013-10-15 | Touch control panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203561971U true CN203561971U (en) | 2014-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320640175.XU Expired - Fee Related CN203561971U (en) | 2013-10-15 | 2013-10-15 | Touch control panel |
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| Country | Link |
|---|---|
| CN (1) | CN203561971U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104298394A (en) * | 2014-08-28 | 2015-01-21 | 合肥鑫晟光电科技有限公司 | Touch screen, positioning method thereof and touch display device |
| CN104571722A (en) * | 2013-10-15 | 2015-04-29 | 宸鸿科技(厦门)有限公司 | Touch panel |
-
2013
- 2013-10-15 CN CN201320640175.XU patent/CN203561971U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104571722A (en) * | 2013-10-15 | 2015-04-29 | 宸鸿科技(厦门)有限公司 | Touch panel |
| CN104571722B (en) * | 2013-10-15 | 2017-09-15 | 宸鸿科技(厦门)有限公司 | Contact panel |
| CN104298394A (en) * | 2014-08-28 | 2015-01-21 | 合肥鑫晟光电科技有限公司 | Touch screen, positioning method thereof and touch display device |
| US9841845B2 (en) | 2014-08-28 | 2017-12-12 | Boe Technology Group Co., Ltd. | Touch screen, positioning method thereof and touch display device |
| CN104298394B (en) * | 2014-08-28 | 2017-12-22 | 合肥鑫晟光电科技有限公司 | A kind of touch-screen and its localization method, touch display unit |
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