CN105204687A - Tactile feedback elements, touch panel, display device and working method - Google Patents
Tactile feedback elements, touch panel, display device and working method Download PDFInfo
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- CN105204687A CN105204687A CN201510629002.1A CN201510629002A CN105204687A CN 105204687 A CN105204687 A CN 105204687A CN 201510629002 A CN201510629002 A CN 201510629002A CN 105204687 A CN105204687 A CN 105204687A
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- tactile feedback
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Abstract
The invention provides tactile feedback elements, a touch panel, a display device and a working method and belongs to the technical field of touch. A tactile feedback structure comprises a substrate, M first signal lines and N second signal lines, wherein the M first signal lines and the N second signal lines are arranged on the substrate in an array mode, and the second signal lines and the first signal lines are arranged in a cross and insulated mode. The first ends of tactile feedback electrodes at the cross positions of the first signal lines and the second signal lines are connected with the first signal lines, the second ends, opposite to the first ends, of the tactile feedback electrodes are connected with the second signal lines, and the tactile feedback electrodes can deform when voltage is exerted to the tactile feedback electrodes. By means of the technical scheme, local protrusion and shake of corresponding point positions can be achieved when a user is in contact with the touch panel, feedback time is short, and no noise is produced.
Description
Technical field
The present invention relates to technical field of touch control, refer to a kind of touch panel and display device, method of work especially.
Background technology
In recent years, along with the develop rapidly of touch technology, various electronic product not only requires to realize simple touch controllable function, and the functions such as Rimless, fingerprint recognition, iris recognition have penetrated in the middle of electronic product, and are subject to the extensive favor of user.Wherein haptic feedback functions, that the system possessing feeling function in electronic product is shaken by sense of touch and realizes operational feedback, mainly present the sensation of two kinds of forms: the first is full vibration, in this case, whole electronic product all can vibrate, such as mobile phone is set to calling vibration, when there being incoming call, whole mobile phone all can vibrate; The second is local vibration, namely when user touches electronic product, occurs slight and of short duration vibration below user's finger tip.
Existing is linear resonance driver by the haptic feedback technology that electronic product manufacturer extensively adopts, and this driver volume is large, and feedback time is comparatively slow, and noise is comparatively large, causes the experience of user poor.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of tactile feedback elements, touch panel and display device, method of work, when user contacts touch panel, can realize local crowning and the vibrations of corresponding point position, and feedback time is fast, and noiselessness.
For solving the problems of the technologies described above, embodiments of the invention provide technical scheme as follows:
On the one hand, a kind of tactile feedback structure is provided, comprises:
Substrate;
Be arranged on M bar first signal wire and the N bar secondary signal line of array arrangement in described substrate, described secondary signal line and described first signal wire transposition insulator are arranged;
Be positioned at the tactile feedback electrode of described first signal wire and described secondary signal line infall, the first end of described tactile feedback electrode is connected with described first signal wire, second end relative with described first end of described tactile feedback electrode is connected with described secondary signal line, when to described tactile feedback electrode application voltage, can there is deformation in described tactile feedback electrode.
Further, described tactile feedback electrode is made for adopting transparent piezoelectric material.
Further, described tactile feedback electrode is circular or rectangle.
The embodiment of the present invention additionally provides a kind of touch panel, and comprise substrate, setting multiple touch sensible elements on the substrate, described touch panel also comprises tactile feedback structure as above.
Further, described tactile feedback electrode and described touch sensible element one_to_one corresponding are arranged.
Further, described tactile feedback vibrational power flow is on the surface of described substrate towards described substrate, and the distance between described substrate and described substrate is greater than the thickness of described tactile feedback electrode.
Further, the described substrate inorganic thin film that adopts thickness to be less than the tempered glass of the first preset value or hardness to be greater than the second preset value.
Further, described substrate is the protective film covering described touch sensible element.
Further, described substrate is the color membrane substrates of display panel, and described touch sensible element is arranged on the surface of the described color membrane substrates array base palte of described display panel dorsad; Or
Described substrate is the encapsulation cover plate of organic electroluminescent OLED display panel, and described touch sensible element is arranged on the surface of the described encapsulation cover plate array base palte of described OLED display panel dorsad.
The embodiment of the present invention additionally provides a kind of display device, comprises touch panel as above, also comprises:
Control module, for receiving the touch signal that described touch sensible element sends, determining position, touch point, determining the first corresponding signal wire and secondary signal line according to position, described touch point; Apply signal to the first signal wire determined and secondary signal line, make the tactile feedback electrode generation deformation being positioned at described first signal wire and secondary signal line point of crossing place.
The embodiment of the present invention additionally provides a kind of method of work of display device, is applied to display device as above, and described method comprises:
Receive the touch signal that described touch sensible element sends, determine position, touch point, determine the first corresponding signal wire and secondary signal line according to position, described touch point;
Apply signal to the first signal wire determined and secondary signal line, make the tactile feedback electrode generation deformation being positioned at described first signal wire and secondary signal line infall.
Embodiments of the invention have following beneficial effect:
In such scheme, substrate is formed tactile feedback electrod-array, and when to tactile feedback electrode application voltage, can there is deformation in tactile feedback electrode, like this when the finger touch of user is a bit, by giving the tactile feedback electrode application voltage of corresponding point, making it that deformation occur, and then user can be allowed to obtain tactile feedback, thus realize localized haptic feedback function, and tactile feedback electrode volume of the present invention is little, feedback time is fast, and noiselessness.Utilize tactile feedback structure of the present invention, the use of touch-screen can be made more simple and be full of enjoyment.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that deformation occurs after embodiment of the present invention tactile feedback electrode is applied in voltage;
Fig. 2 is the structural representation of embodiment of the present invention touch panel;
Fig. 3 is the schematic diagram that embodiment of the present invention tactile feedback electrode arranges in substrate.
Embodiment
For embodiments of the invention will be solved technical matters, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
Embodiments of the invention adopt linear resonance driver for existing haptic feedback technology, this driver volume is large, feedback time is slower, and noise is comparatively large, causes the problem that the experience of user is poor, provides a kind of tactile feedback elements, touch panel and display device, method of work, can when user contacts touch panel, realize local crowning and the vibrations of corresponding point position, feedback time is fast, and noiselessness.
Embodiment one
Present embodiments provide a kind of tactile feedback structure, comprising:
Substrate;
Be arranged on described suprabasil many first signal wires;
Arrange on the substrate, many secondary signal lines arranging with described first signal wire transposition insulator;
Be positioned at the tactile feedback electrode of described first signal wire and described secondary signal line infall, the first end of described tactile feedback electrode is connected with described first signal wire, second end relative with described first end of described tactile feedback electrode is connected with described secondary signal line, when to described tactile feedback electrode application voltage, can there is deformation in described tactile feedback electrode.
The present embodiment forms tactile feedback electrod-array in substrate, when to tactile feedback electrode application voltage, can there is deformation in tactile feedback electrode, like this when the finger touch of user is a bit, by giving the tactile feedback electrode application voltage of corresponding point, make it that deformation occur, and then user can be allowed to obtain tactile feedback, thus realize localized haptic feedback function, and tactile feedback electrode volume of the present invention is little, feedback time is fast, and noiselessness.Utilize tactile feedback structure of the present invention, the use of touch-screen can be made more simple and be full of enjoyment.
Further, described tactile feedback electrode is made for adopting transparent piezoelectric material, and meanwhile, substrate also can adopt transparent material to make, like this when tactile feedback structure is applied to touch display panel, transparent tactile feedback electrode and substrate can not have influence on the display of touch display panel.
The characteristic of piezoelectric deformation can occur after application of a voltage, as Fig. 1 left half is depicted as the virgin state of rectangular tactile feedback electrode 4, as Fig. 1 right half is depicted as the schematic diagram that deformation occurs after rectangular tactile feedback electrode 4 is applied in voltage, as seen from Figure 1, when the tactile feedback electrode 4 made transparent piezoelectric material applies voltage, tactile feedback electrode 4 can flexural deformation, and then user can be allowed to obtain tactile feedback, thus realize localized haptic feedback function.
In specific embodiment, described tactile feedback electrode can be circular or rectangle.
Embodiment two
Present embodiments provide a kind of touch panel, comprise substrate, setting multiple touch sensible elements on the substrate, described touch panel also comprises tactile feedback structure as above.
The present embodiment forms tactile feedback electrod-array in substrate, when to tactile feedback electrode application voltage, can there is deformation in tactile feedback electrode, like this when the finger touch touch panel of user is a bit, by giving the tactile feedback electrode application voltage of corresponding point, make it that deformation occur, and then user can be allowed to obtain tactile feedback, thus realize localized haptic feedback function, and tactile feedback electrode volume of the present invention is little, feedback time is fast, and noiselessness.Utilize tactile feedback structure of the present invention, the use of touch panel can be made more simple and be full of enjoyment.
In preferred embodiment, tactile feedback electrode and touch sensible element one_to_one corresponding are arranged, like this when user contacts touch panel, after touch sensible element testing to touch signal, can to the tactile feedback electrode application voltage that arrange corresponding to this touch sensible element, thus user be allowed to obtain tactile feedback.
In preferred embodiment; tactile feedback vibrational power flow is on the surface of substrate towards substrate; and the distance between substrate and substrate is greater than the thickness of tactile feedback electrode; such one side can utilize substrate to protect tactile feedback electrode, reserves enough deformation spaces can on the other hand tactile feedback electrode.
In specific embodiment, the inorganic thin film that substrate can adopt thickness to be less than the tempered glass of the first preset value or hardness to be greater than the second preset value, when substrate adopts these materials to make, also can experience the deformation of tactile feedback electrode across substrate, not affect haptic feedback effect.
In preferred embodiment; substrate is the protective film covering described touch sensible element; such one side can utilize substrate to protect touch sensible element; in addition; because substrate adopts thickness to be less than, inorganic thin film that the tempered glass of the first preset value or hardness is greater than the second preset value is made; can not interfere and crosstalk with touch sensible element, not affect the sensitivity of touch panel.
In specific embodiment, touch panel can be integrated with display panel, and the substrate arranging touch sensible element is specifically as follows the color membrane substrates of display panel or the encapsulation cover plate of OLED display panel.Such as, described substrate is the color membrane substrates of display panel, and described touch sensible element is arranged on the surface of the described color membrane substrates array base palte of described display panel dorsad; Or described substrate is the encapsulation cover plate of organic electroluminescent OLED display panel, described touch sensible element is arranged on the surface of the described encapsulation cover plate array base palte of described OLED display panel dorsad.
Embodiment three
Present embodiments provide a kind of display device, comprise touch panel as above, also comprise:
Control module, for receiving the touch signal that described touch sensible element sends, determining position, touch point, determining the first corresponding signal wire and secondary signal line according to position, described touch point; Apply signal to the first signal wire determined and secondary signal line, make the tactile feedback electrode generation deformation being positioned at described first signal wire and secondary signal line point of crossing place.
The present embodiment forms tactile feedback electrod-array in substrate, when to tactile feedback electrode application voltage, can there is deformation in tactile feedback electrode, like this when the display screen of the finger touch display device of user is a bit, by giving the tactile feedback electrode application voltage of corresponding point, make it that deformation occur, and then user can be allowed to obtain tactile feedback, thus realize localized haptic feedback function, and tactile feedback electrode volume of the present invention is little, feedback time is fast, and noiselessness.Utilize tactile feedback structure of the present invention, the use of display device can be made more simple and be full of enjoyment.
Particularly, described display device can be: any product or parts with Presentation Function such as liquid crystal panel, LCD TV, liquid crystal display, digital album (digital photo frame), mobile phone, panel computer.
Embodiment four
Present embodiments provide a kind of method of work of display device, be applied to display device as above, described method comprises:
Receive the touch signal that described touch sensible element sends, determine position, touch point, determine the first corresponding signal wire and secondary signal line according to position, described touch point;
Apply signal to the first signal wire determined and secondary signal line, make the tactile feedback electrode generation deformation being positioned at described first signal wire and secondary signal line infall.
The present embodiment is when to suprabasil tactile feedback electrode application voltage, can deformation be there is in tactile feedback electrode, like this when the display screen of the finger touch display device of user is a bit, by giving the tactile feedback electrode application voltage of corresponding point, making it that deformation occur, and then user can be allowed to obtain tactile feedback, thus realize localized haptic feedback function, and tactile feedback electrode volume of the present invention is little, feedback time is fast, and noiselessness.Utilize tactile feedback structure of the present invention, the use of display device can be made more simple and be full of enjoyment.
Embodiment five
Present embodiments provide a kind of touch panel; as shown in Figure 2; this touch panel comprises: array base palte 1; the color membrane substrates 2 arranged with array base palte 1 pair of box; be arranged on the touch sensible element 3 on color membrane substrates 2, meanwhile, the driving circuit be connected with touch sensible element 3 and sensor circuit are also produced on color membrane substrates 2; the protective film 5 be oppositely arranged with color membrane substrates 2, protective film 5 is provided with multiple tactile feedback electrode 4.Wherein, tactile feedback electrode 4 adopts transparent piezoelectric material to make; distance between protective film 5 and color membrane substrates 2 is greater than the thickness of tactile feedback electrode 4; such one side can utilize protective film 5 pairs of tactile feedback electrodes 4 and touch sensible element 3 to protect, and reserves enough deformation spaces can on the other hand tactile feedback electrode 4.Protective film 5 can adopt thickness to be less than, and inorganic thin film that the tempered glass of the first preset value or hardness is greater than the second preset value is made; such as adopt ultra-thin tempered glass; also high-strength abrasion-proof diaphragm can be adopted; such protective film 5 can not interfere and crosstalk with touch sensible element 3, does not affect the sensitivity of touch panel.
As shown in Figure 3, protective film 5 is formed multiple first signal wire (G1, G2, G1536, ) and many secondary signal line (D1 arranging with the first signal wire transposition insulator, D2, D2049, ), tactile feedback electrode 4 is positioned at the first signal wire and secondary signal line infall, the first end of tactile feedback electrode 4 is connected with the first signal wire, second end relative with first end of tactile feedback electrode 4 is connected with secondary signal line, during touch panel work, when touch sensible element testing is to touch signal, position, touch point is determined according to touch signal, the first corresponding signal wire and secondary signal line is determined according to position, touch point, by applying signal to the first signal wire of correspondence and secondary signal line and then apply voltage to the tactile feedback electrode 4 arranged corresponding to touch sensible element, deformation can occur tactile feedback electrode 4 and bounce-back is gone back, thus realize localized haptic feedback function, the tactile feedback electrode 4 of the present embodiment can realize projection and vibrations two kinds of feedback functions, there is better Consumer's Experience.
The present embodiment forms tactile feedback electrod-array in protective film; when to tactile feedback electrode application voltage; can there is deformation in tactile feedback electrode, like this when the finger touch touch panel of user is a bit, by giving the tactile feedback electrode application voltage of corresponding point; make it that deformation occur; and then user can be allowed to obtain tactile feedback, thus realize localized haptic feedback function, and the tactile feedback electrode volume of the present embodiment is little; feedback time is fast, and noiselessness.Utilize the tactile feedback structure of the present embodiment, the use of touch panel can be made more simple and be full of enjoyment.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (11)
1. a tactile feedback structure, is characterized in that, comprising:
Substrate;
Be arranged on M bar first signal wire and the N bar secondary signal line of array arrangement in described substrate, described secondary signal line and described first signal wire transposition insulator are arranged;
Be positioned at the tactile feedback electrode of described first signal wire and described secondary signal line infall, the first end of described tactile feedback electrode is connected with described first signal wire, second end relative with described first end of described tactile feedback electrode is connected with described secondary signal line, when to described tactile feedback electrode application voltage, can there is deformation in described tactile feedback electrode.
2. tactile feedback structure according to claim 1, is characterized in that, described tactile feedback electrode is made for adopting transparent piezoelectric material.
3. tactile feedback structure according to claim 1, is characterized in that, described tactile feedback electrode is circular or rectangle.
4. a touch panel, comprise substrate, setting multiple touch sensible elements on the substrate, it is characterized in that, described touch panel also comprises the tactile feedback structure according to any one of claim 1-3.
5. touch panel according to claim 4, is characterized in that, described tactile feedback electrode and described touch sensible element one_to_one corresponding are arranged.
6. touch panel according to claim 4, is characterized in that, described tactile feedback vibrational power flow is on the surface of described substrate towards described substrate, and the distance between described substrate and described substrate is greater than the thickness of described tactile feedback electrode.
7. touch panel according to claim 6, is characterized in that, the inorganic thin film that described substrate adopts thickness to be less than the tempered glass of the first preset value or hardness to be greater than the second preset value.
8. touch panel according to claim 7, is characterized in that, described substrate is the protective film covering described touch sensible element.
9. touch panel according to claim 4, is characterized in that, described substrate is the color membrane substrates of display panel, and described touch sensible element is arranged on the surface of the described color membrane substrates array base palte of described display panel dorsad; Or
Described substrate is the encapsulation cover plate of organic electroluminescent OLED display panel, and described touch sensible element is arranged on the surface of the described encapsulation cover plate array base palte of described OLED display panel dorsad.
10. a display device, is characterized in that, comprises the touch panel according to any one of claim 4-9, also comprises:
Control module, for receiving the touch signal that described touch sensible element sends, determining position, touch point, determining the first corresponding signal wire and secondary signal line according to position, described touch point; Apply signal to the first signal wire determined and secondary signal line, make the tactile feedback electrode generation deformation being positioned at described first signal wire and secondary signal line point of crossing place.
The method of work of 11. 1 kinds of display device, is characterized in that, is applied to display device as claimed in claim 10, and described method comprises:
Receive the touch signal that described touch sensible element sends, determine position, touch point, determine the first corresponding signal wire and secondary signal line according to position, described touch point;
Apply signal to the first signal wire determined and secondary signal line, make the tactile feedback electrode generation deformation being positioned at described first signal wire and secondary signal line infall.
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