CN102193670A - Proximity sensing panel - Google Patents
Proximity sensing panel Download PDFInfo
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- CN102193670A CN102193670A CN2010102745415A CN201010274541A CN102193670A CN 102193670 A CN102193670 A CN 102193670A CN 2010102745415 A CN2010102745415 A CN 2010102745415A CN 201010274541 A CN201010274541 A CN 201010274541A CN 102193670 A CN102193670 A CN 102193670A
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- sensing unit
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Abstract
The invention provides a proximity sensing panel, which comprises a substrate, at least one proximity sensing unit and at least one sensing circuit. The proximity sensing unit is formed on the substrate; and when an object moves, a proximity sensing signal can be generated without touching the panel and a control signal is output. The proximity sensing unit is used for sensing the proximity of the object and generating the sensing signal, and the sensing circuit receives the sensing signal and generates the control signal.
Description
Technical field
The present invention is about being a kind of panel, particularly about a kind of induction panel that closely connects.
Background technology
Along with the photoelectricity development of science and technology, closely connect switching device shifter and be used in a large number on the different machines, for example: the ticket-booking system of intelligent mobile phone, means of transport, Digital camera, telepilot and LCD screen etc.Common closely control device comprises proximity sense (Proximity sensor) and touch panel (touchpanel) etc., mainly in order to the switched system state.
Please refer to Fig. 1, it closely connects induction system 100 functional block diagram for general inductance type, and it comprises: object 10, closely connect sensing unit 101, sensing circuit 105 and microcontroller 106.When object 10 when connecing sensing unit 101, closely connect the inductance value that sensing unit 101 responded to and to produce change along with the distance of object, at this moment, the size of the oscillation frequency/wave amplitude that is produced by oscillator 102 can change and produce an oscillator signal according to the distance of object.And detecting circuit 103 conversion oscillator signals are for fixing DC voltage and be sent to output circuit 104, and output circuit 104 is an output signal in order to accept fixedly DC voltage and to strengthen driving force, and is sent to microcontroller 106 or controlled load end.
General touch panel (touch panel) comprises resistance-type, surface capacitance type (Surface CapacitiveTouch Panel, SCT), projected capacitive (Projected Capacitive Touch Panel, PCT), infrared-type, sound wave type, optical profile type, induction and digital etc.Please refer to Fig. 2, it is general electric resistance touch-control panel 110 functional block diagram, and it comprises: electric resistance touch-control panel 120, driving circuit 122, sensing circuit 124 and microcontroller 126.The function mode of resistance-type is: when object touches electric resistance touch-control panel 120, its electric resistance touch-control panel 120 can produce the accurate position of an aanalogvoltage and be sent to sensor 124 according to the position of touching, change the accurate position of this aanalogvoltage into a digital signal to being sent to microcontroller 126 via sensor 124, microcontroller 126 can be made suitable reaction according to this electronic signal, reaches the purpose of control system state.Then, please refer to the structural drawing of Fig. 3 for general electric resistance touch-control panel, it comprises: overlayer 150, conductive film 152, isolating points 154, electro-conductive glass 156, substrate 158 and liquid crystal panel 160.
Contact panel in the past all must touch its panel, on some small-sized household electrical appliances contact panel, must could operate man-machine picture by touching this action.In order to increase interactive and to reduce and to touch panel and to make product not fragile, really be necessary to propose a new framework, can replace and to touch its panel in the past and could produce action, only need near its panel and utilize the interactively man-machine interface of motion action that closely connects induction.
Summary of the invention
The present invention proposes a kind of induction panel that closely connects, and proposes to connect the substrate that sensing unit is formed at panel nearly.The preceding contact panel that this panel is different from can be touched in closely connecing the sense panel and produces an induced signal, simultaneously, reduces and to touch the number of times of panel and make the term of life of product prolong.
The present invention more proposes a kind of induction panel that closely connects, and comprising: substrate, at least one closely connects sensing unit and at least one sensing circuit.Closely connect sensing unit and be formed at substrate, closely connect the sensing units sense object near and produce a pairing induced signal.The sensing circuit connection closely connects sensing unit, produces a control signal in order to receive induced signal.
For above and other objects of the present invention, feature and advantage can be become apparent, several preferred embodiments cited below particularly, and conjunction with figs. are described in detail below:
Description of drawings
Fig. 1 closely connects induction system functional block diagram (prior art) for inductance type;
Fig. 2 is the structural drawing (prior art) of prior art electric resistance touch-control panel;
Fig. 3 is the structural drawing (prior art) of prior art electric resistance touch-control panel;
Fig. 4 is for closely connecing the systemic-function calcspar of induction panel;
Fig. 5 closely connects the first embodiment top view of sensing unit for the arrangement that closely connects induction panel;
Fig. 6 closely connects the second embodiment top view of sensing unit for the arrangement that closely connects induction panel;
Fig. 7 closely connects the 3rd embodiment top view of sensing unit for the arrangement that closely connects induction panel;
Fig. 8 closely connects the 4th embodiment top view of sensing unit for the arrangement that closely connects induction panel;
Fig. 9 is for closely connecing the sectional view of induction panel;
Figure 10 is for closely meeting first embodiment of the shape of sensing unit;
Figure 11 is for closely meeting second embodiment of the shape of sensing unit; And
Figure 12 is another enforcement illustration that closely connects the capacitive panels of induction panel.
Symbol description
10 objects, 100 inductance types closely connect induction system
101 closely connect sensing unit 102 oscillatory circuits
103 detecting circuits, 104 output circuits
105 sensing circuits, 106 microcontrollers
110 electric resistance touch-control systems, 120 electric resistance touch-control panels
122 drivers, 124 sensors
126 microcontrollers, 150 overlayers
152 conductive films, 154 isolating points
156 electro-conductive glass, 158 substrates
160 liquid crystal panels 200 closely meet the induction panel system
210 closely connect induction panel 212 closely connects induction panel
214 closely connect induction panel 216 closely connects induction panel
218 closely connect induction panel 220 overlayers
222 closely connect sensing unit 224 substrates
226 liquid crystal panels 230 closely connect sensing unit
240 sensing circuits, 241 driving circuits
242 circuit for detecting, 250 microcontrollers
Embodiment
The present invention proposes a kind of induction panel that closely connects, and comprises substrate and at least one closely connects sensing unit.By nearly connecing in the substrate that sensing unit directly is formed at various different panels, make applied substrate have and closely connect inducing function, and the man-machine interface of control panel at a distance, and reach better human-computer interaction effect.Simultaneously, under the different situations that closely connects induction panel, can reduce the composition that disturbs affected by environment.This is closely connect sensing unit be formed in the panel, can not influence on the flow process that former panel makes, and the making of managing to connect sensing unit nearly is integrated into the making flow process of panel, so, can significantly reduce closely connecing the required cost of sensing unit.
Please refer to Fig. 4, it closely connects the functional block diagram of induction panel 200 for the present invention, wherein, closely connects induction panel 200 and comprises: panel 210, at least one closely connects sensing unit 230 and at least one sensing circuit 240.At least one closely connects sensing unit 230 and is formed at substrate, its can according to object 10 near and produce the pairing induced signal that closely connects, and the size that closely connects induced signal changes recently according to the distance of object 10.Sensing circuit 240 closely connects induced signal and produces control signal in order to receive.Microcontroller 250 connects sensing circuits 240, in order to receive control signal and calculate and produce coordinate information (X, Y).Microcontroller 240 can utilize this coordinate information (X Y) carries out the judgement of gesture direction, for example: object from left to right, from right to left, by a left side tiltedly to right tiltedly, by the right side tiltedly to a left side tiltedly, from top to bottom, from the bottom to top, two articles amplifies, two articles dwindles or the like.So, can realize the interactive gesture of user and various panels.
Wherein, closely connect sensing unit 230 and closely connect sensing unit for an inductance type that produces induced signal according to variation inductance.That is, and substrate can be: glass substrate, plastic base or colored filter substrate.
Inductance type connects closely that sensing unit utilizes the distance of object and the size that changes induced signal, and wherein, the size of induced signal is the variation of inductance value.Oscillatory circuit in the sensing circuit 240 changes the size of oscillation frequency/amplitude by the variation of inductance value, and produces control signal and export microcontroller 250 to according to the size of this oscillation frequency/amplitude.
Wherein, closely connecing sensing unit 230 also can be the condenser type that changes in capacitance produces induced signal and closely connects sensing unit.That is this substrate can be: glass substrate, plastic base or colored filter substrate.
And condenser type closely connects the size that changes induced signal apart from distance that sensing unit utilizes this object, and wherein, the size of induced signal is the variation of electric capacity.Oscillatory circuit in the sensing circuit 240 changes the size of oscillation frequency/amplitude according to the variation of electric capacity, and produces control signal and export microcontroller 250 to according to the size of this oscillation frequency/amplitude.Wherein, condenser type closely connects sensing unit and has comprised self-tolerant and closely connect sensing unit and closely connect sensing unit with mutual appearance formula.Self-tolerant closely connects sensing unit and uses at least one electrode to drive (Driving) and detecting (Sensing).And mutual capacitance type closely connects the arrangement of sensing unit utilization at least two electrodes and drives respectively and detect.
Wherein, the mode that closely connects the sensing unit arrangement that closely connects induction panel is rectangle, rhombus, or any arrangement mode.
Below, the embodiment of Fig. 5, Fig. 6, Fig. 7 and Fig. 8 will enumerate the embodiment that four arrangements that closely connect induction panel closely connect sensing unit respectively.
Then, please refer to Fig. 5, the arrangement that its explanation closely connects induction panel closely connects the first embodiment top view of sensing unit, closely connects sensing unit in closely connecing the design of adopting rectangular arranged in the induction panel.
Then, please refer to Fig. 6, the arrangement that its explanation closely connects induction panel closely connects the second embodiment top view of sensing unit, closely connects sensing unit and adopts staggered design in the induction panel in closely connecing.
Then, please refer to Fig. 7, the arrangement that its explanation closely connects induction panel closely connects the 3rd embodiment top view of sensing unit, closely connects sensing unit in closely connecing the design of adopting hexagonal array in the induction panel.
Then, please refer to Fig. 8, the arrangement that its explanation closely connects induction panel closely connects the 4th embodiment top view of sensing unit, closely connects sensing unit in closely connecing the design of adopting concentric circles to arrange in the induction panel.
Below, Fig. 9 enumerates one and closely connects induction panel embodiment sectional view.Wherein, closely connecing induction panel 212 comprises: overlayer 220, closely connect sensing unit 222, substrate 224 and liquid crystal panel 226.Because therefore the surface of substrate 224, closely connects sensing unit 140 and can be formed at substrate 224 upper surfaces or lower surface for forming electrode layer.
Wherein, the shape that closely connects sensing unit can be selected from: a circle, one square a, ellipse, worker's shape, one back-shaped a, rhombus, a spirality or arbitrary shape.
Then, Figure 10 and Figure 11 enumerate two respectively and closely meet the embodiment that sensing unit is formed at substrate.Wherein, please refer to Figure 10, its explanation closely connects the spirality that is shaped as of sensing unit.Wherein, please refer to Figure 11, it is back-shaped that its explanation closely connects being shaped as of sensing unit.
Then, please refer to Figure 12, it closely connects another enforcement illustration of the capacitive panels of induction panel.Its Figure 12 is the application circuit of mutual appearance formula, wherein, holds formula mutually and closely connects sensing unit and comprise two electrodes, persons as shown in figure 12 at least.Carry out the operating principle that object closely connects detecting and be and use mutual appearance formula closely to connect sensing unit 230: drive a signal in the first coupled electrode by driving circuit 241, second electrode can produce corresponding mutual capacitance induction.When object when closely connecing sensing unit 230, the electric capacity that closely connects sensing unit 230 will be disturbed and change, at this moment, circuit for detecting 242 can detect changes in capacitance according to second electrode that is connected with it, and by the change of the size of voltage or electric current, and then learn and closely connect sensing unit 230 electric capacitance change.So, can calculate the relative distance of object near panel.
Wherein, use mutual appearance formula closely to connect sensing unit, it is very fast to reach reaction velocity, and the higher effect of stability.
Though preferred embodiment of the present invention discloses as mentioned above; right its is not in order to limit the present invention; anyly be familiar with person skilled; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is when being as the criterion according to the content that claim defined.
Claims (8)
1. one kind closely connects induction panel, comprises:
One substrate;
At least one closely connects sensing unit, is formed at this substrate, and this closely connects sensing unit and produces an induced signal in order to respond to the close of an object; And
At least one sensing circuit connects this and closely connects sensing unit, produces a control signal in order to receive this induced signal.
2. panel as claimed in claim 1, wherein this closely connects sensing unit and is: a condenser type closely connects sensing unit or an inductance type closely connects sensing unit.
3. panel as claimed in claim 2, wherein this condenser type closely connects sensing unit and is: a self-tolerant closely connects sensing unit or a mutual appearance formula closely connects sensing unit.
4. panel as claimed in claim 3, wherein each this mutual appearance formula closely connects sensing unit and comprises at least two electrodes.
5. panel as claimed in claim 1, wherein this substrate is a glass substrate, a plastic base or a colored filter substrate.
6. panel as claimed in claim 1, wherein this closely connects being shaped as of sensing unit: a circle, one square a, ellipse, worker's shape, one back-shaped a, rhombus or a spirality.
7. panel as claimed in claim 1, wherein this closely connects the upper surface that sensing unit is formed at this substrate, lower surface or this substrate upper and lower surface of this substrate.
8. panel as claimed in claim 1, wherein this at least one closely connect sensing unit being arranged as in this substrate: a rectangle, one staggered a, concentric circles, a sexangle, a circular or rhombus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102745415A CN102193670A (en) | 2010-03-17 | 2010-09-03 | Proximity sensing panel |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010138792.0 | 2010-03-17 | ||
| CN201010138792 | 2010-03-17 | ||
| CN2010102745415A CN102193670A (en) | 2010-03-17 | 2010-09-03 | Proximity sensing panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102193670A true CN102193670A (en) | 2011-09-21 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102745415A Pending CN102193670A (en) | 2010-03-17 | 2010-09-03 | Proximity sensing panel |
| CN201110040267XA Pending CN102193675A (en) | 2010-03-17 | 2011-02-16 | Proximity sensing panel |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110040267XA Pending CN102193675A (en) | 2010-03-17 | 2011-02-16 | Proximity sensing panel |
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| Country | Link |
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| CN (2) | CN102193670A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707472A (en) * | 2012-04-13 | 2012-10-03 | 友达光电股份有限公司 | Display with touch control and proximity sensing functions and display structure with sensing electrodes |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102236439A (en) * | 2010-04-20 | 2011-11-09 | 介面光电股份有限公司 | Non-contact touch panel |
| TWI521288B (en) * | 2013-03-07 | 2016-02-11 | 友達光電股份有限公司 | An array of touch unit and a display panel having the same |
| CN107239183B (en) * | 2014-12-24 | 2020-05-05 | 深圳市华星光电技术有限公司 | Flexible touch panel |
| CN111238545B (en) * | 2020-01-17 | 2021-10-12 | 腾讯科技（深圳）有限公司 | Sensor, intelligent device, sensing method and storage medium |
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| CN101556515A (en) * | 2008-04-08 | 2009-10-14 | 瑞鼎科技股份有限公司 | Touch sensing assembly and touch sensing device |
| CN101632057A (en) * | 2007-01-03 | 2010-01-20 | 苹果公司 | Proximity and multi-touch sensor detection and demodulation |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0614631D0 (en) * | 2006-07-22 | 2006-08-30 | Howard Mark | Detector |
| TWI369509B (en) * | 2007-08-31 | 2012-08-01 | Chimei Innolux Corp | Touch mode electro-wetting display |
| TWM345292U (en) * | 2008-05-23 | 2008-11-21 | Forworld Electronics Co Ltd | Display control apparatus of DVD touch panel |
| CN101488066B (en) * | 2009-03-09 | 2010-12-22 | 友达光电股份有限公司 | Touch control display panel and touch control substrate |
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- 2010-09-03 CN CN2010102745415A patent/CN102193670A/en active Pending
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- 2011-02-16 CN CN201110040267XA patent/CN102193675A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101632057A (en) * | 2007-01-03 | 2010-01-20 | 苹果公司 | Proximity and multi-touch sensor detection and demodulation |
| CN101556515A (en) * | 2008-04-08 | 2009-10-14 | 瑞鼎科技股份有限公司 | Touch sensing assembly and touch sensing device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707472A (en) * | 2012-04-13 | 2012-10-03 | 友达光电股份有限公司 | Display with touch control and proximity sensing functions and display structure with sensing electrodes |
| TWI464641B (en) * | 2012-04-13 | 2014-12-11 | Au Optronics Corp | Sensing module which can perform proximity detection and display structure having sensing electrodes |
| CN102707472B (en) * | 2012-04-13 | 2014-12-17 | 友达光电股份有限公司 | Display with touch control and proximity sensing functions and display structure with sensing electrodes |
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| Publication number | Publication date |
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| CN102193675A (en) | 2011-09-21 |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110921 |