CN208298155U - touch screen and electronic device - Google Patents

Abstract

The utility model discloses a kind of touch screen and electronic devices.Touch screen includes single shielded layer and at least one layer of conductive layer.One layer of conductive layer setting is on the shielding layer.Conductive layer includes transparent substrate and electrode layer.Electrode layer, transparent substrate and shielded layer are cascading.Electrode layer includes the multiple conducting blocks for being arranged at intervals on transparent substrate surface.Multiple conducting blocks form touch pattern.Suspension touch control may be implemented in the touch screen and electronic device of the utility model embodiment, using single shielded layer and at least one layer of conductive layer the design structure of touch screen is more optimized, meanwhile corresponding touch-control structure can be selected according to the different demands of product, improve the touch-control performance of touch screen.

Description

Touch screen and electronic device

Technical field

The utility model relates to touch display technology, in particular to a kind of touch screen and electronic device.

Background technique

In the related technology, with advances in technology, requirement of the people for the touch performance of touch screen is more and more, suspends Touch screen realizes more functions on the basis of 2D touch screen, receives more and more attention.But suspension touch control at present The structure of screen has to be optimized, and touch-control performance is also not highly desirable.

Utility model content

The utility model embodiment provides a kind of touch screen and electronic device.

A kind of touch screen of the utility model embodiment includes single shielded layer and at least one layer of conductive layer, the conduction Layer is arranged on the shielded layer, and the conductive layer includes transparent substrate and electrode layer, the electrode layer, the transparent substrate and The shielded layer is cascading, and the electrode layer includes the multiple conducting blocks for being arranged at intervals on the transparent substrate surface, The multiple conducting block forms touch pattern.

The touch screen of the utility model embodiment can be applied to suspension touch control, using single shielded layer and at least one layer Conductive layer optimizes the design structure of touch screen more, meanwhile, corresponding touch-control can be selected according to the different demands of product Structure improves the touch-control performance of touch screen.

In some embodiments, at least one layer of conductive layer includes the first conductive layer and the second conductive layer, the screen Cover the transparent substrate of layer, the transparent substrate of first conductive layer, the electrode layer of first conductive layer, second conductive layer It is cascading with the electrode layer of second conductive layer.In this way, be stacked in touch-control screen structure, the first conductive layer it is saturating The electrode layer and shielded layer of the first conductive layer is isolated in bright substrate, and the electrode of the second conductive layer is isolated in the transparent substrate of the second conductive layer The electrode layer of layer and the first conductive layer, allows touch screen to realize suspension touch control by two conductive layers, and shielded layer can shield The electromagnetic interference inside electronic device applied by touch screen is covered, the touch-control performance for improving touch screen is conducive to.

In some embodiments, first conductive layer and second conductive layer constitute mutual capacitance structure.In this way, touching Suspension touch control can may be implemented by the variable quantity of coupled capacitor between the first conductive layer of detection and the second conductive layer in control screen.

In some embodiments, at least one layer of conductive layer includes that the first conductive layer, the second conductive layer and third are led Electric layer, the shielded layer, the transparent substrate of first conductive layer, the electrode layer of first conductive layer, second conduction Transparent substrate, the electrode layer of second conductive layer, the transparent substrate of the third conductive layer and the third conductive layer of layer Electrode layer be cascading.In this way, be stacked in touch-control screen structure, the transparent substrate of each conductive layer can isolate its two The conductive structure of side, allows touch screen to realize suspension touch control by two conductive layers, and shielded layer can shield touch screen institute Electromagnetic interference inside the electronic device of application is conducive to the touch-control performance for improving touch screen.

In some embodiments, first conductive layer and second conductive layer constitute the first mutual capacitance structure, institute It states the second conductive layer and the third conductive layer constitutes the second mutual capacitance structure.In this way, the first conductive layer and the second conductive layer it Between can form coupled capacitor, likewise, coupled capacitor can also be formed between the second conductive layer and third conductive layer, pass through inspection The variable quantity for surveying coupled capacitor can more accurately realize suspension touch control.

In some embodiments, the material of the transparent substrate includes glass, polymethyl methacrylate, gathers to benzene two Formic acid glycol ester or cyclic olefin polymer.In this way, above-mentioned material has good light transmission features, simple process, touch screen reality While existing suspension touch control function, good translucency can have, be conducive to keep display effect.

In some embodiments, the range of the thickness d of the transparent substrate are as follows: 0.02mm≤d≤2.5mm.In this way, having Conducive to the lightening design of touch screen is realized, optimize the space setting of product.

In some embodiments, the material of the electrode layer includes indium tin oxide or metal.In this way, indium tin oxide For transparent conductive material, conductive pattern can be formed on transparent substrate surface, nano metal or metal can be with metal grills Form forms conductive pattern on transparent substrate surface, electric conductivity may be implemented, while keeping good light transmission features.

In some embodiments, the touch screen is configured to detect the touch object of the touch screen side to realize Side touch-control.In this way, touch screen can be reduced by side touch-control is arranged physical button, optimization electricity in electronic device side The structure and protective performance of sub-device.

A kind of electronic device of the utility model embodiment includes the touch screen of any of the above-described embodiment.

The touch screen of the utility model embodiment can be applied to electronic device, and suspension touch control may be implemented in touch screen, Using single shielded layer and at least one layer of conductive layer the design structure of touch screen is more optimized, meanwhile, it can be according to electronics The different demands of device select corresponding touch-control structure, improve the touch-control performance of touch screen.

The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

In description of the above-mentioned and/or additional aspect and advantage of the utility model from combination following accompanying drawings to embodiment It will be apparent and be readily appreciated that, in which:

Fig. 1 is the decomposition diagram of the touch screen of the utility model embodiment.

Fig. 2 is the floor map of the touch screen of the utility model embodiment.

Fig. 3 is another floor map of the touch screen of the utility model embodiment.

Fig. 4 is another decomposition diagram of the touch screen of the utility model embodiment.

Fig. 5 is the another floor map of the touch screen of the utility model embodiment.

Fig. 6 is the another decomposition diagram of the touch screen of the utility model embodiment.

Fig. 7 is another floor map of the touch screen of the utility model embodiment.

Fig. 8 is the structural schematic diagram of the electronic device of the utility model embodiment.

Main element symbol description:

Electronic device 100, touch screen 10, shielded layer 11, the first conductive layer 12, transparent substrate 122, electrode layer 124, conduction Block 1242, lead 126, the second conductive layer 13, third conductive layer 14, first direction I, second direction II, third direction III.

Specific embodiment

The embodiments of the present invention is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein Same or similar label indicates same or similar element or element with the same or similar functions from beginning to end.Lead to below It crosses the embodiment being described with reference to the drawings to be exemplary, is only used for explaining the utility model, and should not be understood as practical to this Novel limitation.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have specifically Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicates indicated technology The quantity of feature.Define " first " as a result, the feature of " second " can explicitly or implicitly include it is one or more The feature.The meaning of " plurality " is two or more in the description of the present invention, unless otherwise clearly specific It limits.

Following disclosure provides many different embodiments or example is used to realize the different structure of the utility model. In order to simplify the disclosure of the utility model, hereinafter the component of specific examples and setting are described.Certainly, they are only Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals And/or reference letter, this repetition are for purposes of simplicity and clarity, itself not indicate discussed various embodiments And/or the relationship between setting.In addition, the example of various specific techniques and material that the utility model provides, but this Field those of ordinary skill can be appreciated that the application of other techniques and/or the use of other materials.

Also referring to Fig. 1 and Fig. 2, a kind of touch screen 10 of the utility model embodiment includes single 11 He of shielded layer At least one layer of conductive layer 12.Conductive layer 12 is arranged on shielded layer 11.Conductive layer 12 includes transparent substrate 122 and electrode layer 124. Electrode layer 124, transparent substrate 122 and shielded layer 11 are cascading.Electrode layer 124 includes being arranged at intervals on transparent substrate Multiple conducting blocks 1242 on 122 surfaces.Multiple conducting blocks 1242 form touch pattern.

The touch screen 10 of the utility model embodiment can be applied to suspension touch control, using single shielded layer 11 and at least One layer of conductive layer 12 optimizes the design structure of touch screen 10 more, meanwhile, phase can be selected according to the different demands of product The touch-control structure answered improves the touch-control performance of touch screen 10.

Specifically, in some embodiments, the actual induction distance of touch screen 10 is not less than 20mm.Preferably, effectively Distance of reaction is 20mm.

It is appreciated that the actual induction distance of touch screen 10 is that user carries out suspension touch control and touch screen 10 can sense Maximum distance when finger, between finger and touch screen 10.In this way, user can be above touch screen 10 apart from touch screen 10 1 Touch control operation is carried out in set a distance, realizes suspension touch control function.

In some embodiments, touch screen 10 includes single conductive layer 12.Conductive layer 12 forms self-capacitance structure.

In this way, when user's finger is close to touch screen 10, forming induction between finger and conducting block 1242 in self-capacitance structure The charge of capacitor, conducting block 1242 changes, and can determine user hand by detecting the charge variation of each conducting block 1242 The position of finger.

Referring to Fig. 3, specifically, in one example, conducting block 1242 is in rectangle.Multiple conducting blocks 1242 are in transparent base 122 surface of plate is in array distribution.In this way, a region of the corresponding touch screen 10 of each conducting block 1242, by detecting conducting block The variation of 1242 quantities of electric charge can accurately obtain user's finger corresponding region above touch screen 10.

Certainly, in other embodiments, the shape of conducting block 1242 is not limited to embodiment discussed above, and can be with Diamond shape, triangle, strip, circle or other shapes are used according to the actual situation.Likewise, touch screen 10 may be implemented to suspend Touch-control.

Fig. 4 and Fig. 5 are please referred to, in some embodiments, at least one layer of conductive layer includes the first conductive layer 12 and second Conductive layer 13.Shielded layer 11, the transparent substrate 122 of the first conductive layer 12, the electrode layer 124, second of the first conductive layer 12 are conductive The transparent substrate 122 of layer 13 and the electrode layer 124 of the second conductive layer 13 are cascading.

In this way, being stacked in 10 structure of touch screen, the first conductive layer 12 is isolated in the transparent substrate 122 of the first conductive layer 12 Electrode layer 124 and shielded layer 11,124 He of electrode layer of the second conductive layer 13 is isolated in the transparent substrate 122 of the second conductive layer 13 The electrode layer 124 of first conductive layer 12 allows touch screen 10 to realize suspension touch control by two conductive layers, and shielded layer 11 can To shield the electromagnetic interference inside electronic device 100 applied by touch screen 10, be conducive to the touch-control performance for improving touch screen 10.

In some embodiments, the first conductive layer 12 and the second conductive layer 13 constitute mutual capacitance structure.

In this way, the electrode layer 124 of the electrode layer 124 of the first conductive layer 12 and the second conductive layer 13 wherein one layer for transmitting Electrode layer, another layer are induction electrode layer, and the conducting block 1242 of emission electrode layer is successively powered, and touch screen 10 can pass through induction The conducting block 1242 of electrode layer detects the variable quantity of coupled capacitor between the first conductive layer 12 and the second conductive layer 13 and is used with determining Suspension touch control is realized in the position of family finger.

In some embodiments, the conducting block 1242 of the first conductive layer 12 and the second conductive layer 13 is elongated.First 1242 parallel interval of conducting block of conductive layer 12 is arranged and extends along first direction I.The conducting block 1242 of second conductive layer 13 is flat Row interval setting and in a second direction II extension.First direction I and second direction II are not parallel to each other.

In this way, projection and the conduction of second conductive layer 13 of the conducting block 1242 of the first conductive layer 12 in the second conductive layer 13 The region that block 1242 is overlapped can form coupled capacitor with the conducting block 1242 of the second conductive layer 13.User's finger is close to touch screen When 10, coupled capacitor can change, and the variable quantity by detecting coupled capacitor determines user's finger above touch screen 10 Suspension touch control may be implemented in position.In one example, first direction I and second direction II are perpendicular.

Certainly, in other embodiments, the shape of conducting block 1242 can be not limited to embodiment discussed above, and Diamond shape, triangle, strip, circle or other shapes can be used according to actual needs.

In some embodiments, the conducting block 1,242 1 of the conducting block 1242 of the first conductive layer 12 and the second conductive layer 13 One corresponds to and is in array distribution.In this way, the first conductive layer 12 and corresponding two conducting blocks 1242 of the second conductive layer 13 form coupling A region for closing capacitor and corresponding touch screen 10, the variable quantity by detecting coupled capacitor can detecte the position of user's finger It sets, suspension touch control equally may be implemented.

Fig. 6 and Fig. 7 are please referred to, in some embodiments, at least one layer of conductive layer is led including the first conductive layer 12, second Electric layer 13 and third conductive layer 14.Shielded layer 11, the transparent substrate 122 of the first conductive layer 12, the first conductive layer 12 electrode layer 124, the transparent substrate of the transparent substrate 122 of the second conductive layer 13, the electrode layer 124 of the second conductive layer 13, third conductive layer 14 122 and the electrode layer 124 of third conductive layer 14 be cascading.

In this way, the transparent substrate 122 of each conductive layer can isolate leading for its two sides in 10 structure of touch screen being stacked Electric structure allows touch screen 10 to realize suspension touch control by the capacitance variations between detection conductive layer, and shielded layer 11 can be with The electromagnetic interference inside electronic device 100 applied by touch screen 10 is shielded, the touch-control performance for improving touch screen 10 is conducive to.

In some embodiments, the first conductive layer 12 and the second conductive layer 13 constitute the first mutual capacitance structure, and second leads Electric layer 13 and third conductive layer 14 constitute the second mutual capacitance structure.

In this way, the electrode layer 124 of the second conductive layer 13 is emission electrode layer, the first conductive layer 12 and third conductive layer 14 Electrode layer 124 is induction electrode layer.The first coupled capacitor can be formed between first conductive layer 12 and the second conductive layer 13, equally , the second coupled capacitor can also be formed between the second conductive layer 13 and third conductive layer 14, passes through two layers of induction electrode layer point The variable quantity for not detecting the first coupled capacitor and the second coupled capacitor can more accurately determine the position of user's finger, realize Suspension touch control.

Specifically, in some embodiments, the conduction of the first conductive layer 12, the second conductive layer 13 and third conductive layer 14 Block 1242 is elongated.1242 parallel interval of conducting block of first conductive layer 12 is arranged and extends along first direction I.Second is conductive The setting of 1242 parallel interval of conducting block and II extension in a second direction of layer 13.Between the conducting block 1242 of third conductive layer 14 is parallel Extend every setting and along third direction III.First direction I, second direction II and third direction III are not parallel to each other two-by-two.

In this way, projection and the conduction of second conductive layer 13 of the conducting block 1242 of the first conductive layer 12 in the second conductive layer 13 1242 overlapping region of block can form coupled capacitor with the conducting block 1242 of the second conductive layer 13；The conducting block of third conductive layer 14 1242 can be with the second conductive layer 13 in the projection of the second conductive layer 13 and 1242 overlapping region of conducting block of the second conductive layer 13 Conducting block 1242 formed coupled capacitor.When user's finger is close to touch screen 10, coupled capacitor can change, by detecting coupling The variable quantity for closing capacitor determines position of the user's finger above touch screen 10, and suspension touch control may be implemented.In one example, First direction I and second direction II are perpendicular, and third direction III and first direction I, second direction II are at 45 degree of angles.

Certainly, in other embodiments, the conducting block of the first conductive layer 12, the second conductive layer 13 and third conductive layer 14 1242 shape can be not limited to embodiment discussed above, and can be to use diamond shape, triangle, length according to actual needs Bar shaped, circle or other shapes.

In some embodiments, 1242 and of conducting block of the conducting block 1242 of the first conductive layer 12, the second conductive layer 13 The conducting block 1242 of third conductive layer 14 corresponds and is in array distribution.In this way, the first conductive layer 12 and the second conductive layer 13 Corresponding two conducting blocks 1242 form the first coupled capacitor, the second conductive layer 13 and third conductive layer 14 and form the second coupling electricity A region for holding corresponding touch screen 10, can be more quasi- by the variable quantity of the first coupled capacitor of detection and the second coupled capacitor The position for really detecting user's finger, equally may be implemented suspension touch control.

In some embodiments, the material of transparent substrate 122 includes glass, polymethyl methacrylate, gathers to benzene two The transparent materials such as formic acid glycol ester or cyclic olefin polymer.

In this way, above-mentioned material has good light transmission features, and simple process, touch screen 10 realizes suspension touch control function Meanwhile can have good translucency, be conducive to keep display effect.

Referring to Fig. 2, in some embodiments, the range of the thickness d of transparent substrate 122 are as follows: 0.02mm≤d≤ 2.5mm.Preferably, the range of the thickness d of transparent substrate 122 are as follows: 0.03mm≤d≤0.5mm.

In this way, being advantageously implemented the lightening design of touch screen 10, optimize the space setting of product.

In some embodiments, the material of electrode layer 124 includes the conductive materials such as indium tin oxide or metal.Preferably Ground, metal can be nano metal.

In this way, indium tin oxide is transparent conductive material, conductive pattern can be formed on 122 surface of transparent substrate；Metal, Nano metal can form conductive pattern on 122 surface of transparent substrate in the form of metal grill, electric conductivity may be implemented, together When keep good light transmission features.

In some embodiments, touch screen 10 is configured to detect the touch object (such as finger) of 10 side of touch screen To realize side touch-control.

In this way, touch screen 10 can be reduced by side touch-control is arranged physical button, optimization in 10 side of electronic device The structure and protective performance of electronic device 10.

Referring to Fig. 3, in some embodiments, touch screen 10 includes more leads 126.More leads 126 divide Multiple conducting blocks 1242 are not connected.

In this way, lead 126 can transmit the capacitance variations of touch screen 10, to obtain the information of user's finger position of touch. Preferably, a lead 126 connects a corresponding conducting block 1242.Certainly, in other embodiments, reliable in order to improve Property, two or more leads 126 can connect a corresponding conducting block 1242.

Referring to Fig. 8, a kind of electronic device 100 of the utility model embodiment includes the touching of any of the above-described embodiment Control screen 10.

The touch screen 10 of the utility model embodiment can be applied to electronic device 100, and touch screen 10 may be implemented to hang Floating touch-control optimizes the design structure of touch screen 10 more using single shielded layer 11 and at least one layer of conductive layer 12, meanwhile, Corresponding touch-control structure can be selected according to the different demands of electronic device 100, improve the touch-control performance of touch screen 10.

Specifically, touch screen 10 can detecte and track touch touch screen 10 or be located at 10 top actual induction of touch screen away from From the interior finger being spaced with touch screen 10, finger corresponding location information and mobile location information on touch screen 10 are identified, use Family, which can not have to contact touch screen 10, can realize touch control operation, in this way, list may be implemented in touch screen 10 and electronic device 100 Point suspension touch control and mobile suspension touch control.

Touch screen 10, which can detecte, to be touched touch screen 10 or is located at 10 top actual induction of touch screen apart from interior and touch screen Multiple fingers at 10 intervals, identify multiple fingers corresponding location information on touch screen 10 respectively, and user can not have to contact Touch screen 10 can realize touch control operation.In this way, multiple spot suspension touch control may be implemented in touch screen 10 and electronic device 100.

In user's finger manipulation inconvenient to use, touch screen 10 can detecte and identify 10 top actual induction of touch screen The interior palm action being spaced with touch screen 10 of distance.In this way, palm action suspension may be implemented in touch screen 10 and electronic device 100 Touch-control, wherein when carrying out single-point touch and multi-point touch, the touch area detected is smaller；Carry out palm action suspension touch control When, the touch area detected is larger and continuous.The touch-control of user is identified by analysis induction region size and distribution situation Mode.

Touch screen 10 can detecte the 10 interior finger being spaced with touch screen 10 of side actual induction distance of touch screen, identify hand Refer to that, in the corresponding location information in 10 side of touch screen, user can not have to contact touch screen 10 can be in 10 side of touch screen reality Existing touch control operation.In this way, side suspension touch control may be implemented in touch screen 10 and electronic device 100.Side suspension touch control can subtract The key setting of few 100 side of electronic device, is conducive to that electronic device 100 is kept to be wholely set, and the three of optimization electronic device 100 Anti- performance.

Electronic device 100 includes but is not limited to the electronics such as mobile phone, tablet computer, intelligent wearable device, door lock, car-mounted terminal Device.

In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation The description of mode ", " example ", " specific example " or " some examples " etc. means embodiment or example is combined to describe specific Feature, structure, material or feature are contained at least one embodiment or example of the utility model.In this specification In, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.

While there has been shown and described that the embodiments of the present invention, those skilled in the art can manage Solution: a variety of to the progress of these embodiments can change in the case where not departing from the principles of the present invention and objective, modify, Replacement and variant, the scope of the utility model are defined by the claims and their equivalents.

Claims (10)

1. a kind of touch screen, which is characterized in that including single shielded layer and at least one layer of conductive layer, the conductive layer is arranged in institute It states on shielded layer, the conductive layer includes transparent substrate and electrode layer, the electrode layer, the transparent substrate and the shielded layer It is cascading, the electrode layer includes the multiple conducting blocks for being arranged at intervals on the transparent substrate surface, the multiple to lead Electric block forms touch pattern.

2. touch screen as described in claim 1, which is characterized in that at least one layer conductive layer includes the first conductive layer and the Two conductive layers, the shielded layer, the transparent substrate of first conductive layer, the electrode layer of first conductive layer, described second The electrode layer of the transparent substrate of conductive layer and second conductive layer is cascading.

3. touch screen as claimed in claim 2, which is characterized in that first conductive layer and second conductive layer are constituted mutually Capacitance structure.

4. touch screen as described in claim 1, which is characterized in that at least one layer conductive layer includes the first conductive layer, the Two conductive layers and third conductive layer, the shielded layer, the transparent substrate of first conductive layer, first conductive layer electrode Layer, the transparent substrate of second conductive layer, the electrode layer of second conductive layer, the third conductive layer transparent substrate and The electrode layer of the third conductive layer is cascading.

5. touch screen as claimed in claim 4, which is characterized in that first conductive layer and second conductive layer constitute the One mutual capacitance structure, second conductive layer and the third conductive layer constitute the second mutual capacitance structure.

6. touch screen as described in claim 1, which is characterized in that the material of the transparent substrate includes glass, poly- methyl-prop E pioic acid methyl ester, polyethylene terephthalate or cyclic olefin polymer.

7. touch screen as described in claim 1, which is characterized in that the range of the thickness d of the transparent substrate are as follows: 0.02mm≤ d≤2.5mm。

8. touch screen as described in claim 1, which is characterized in that the material of the electrode layer includes indium tin oxide or gold Belong to.

9. touch screen as described in claim 1, which is characterized in that the touch screen is configured to detect the touch screen side Touch object to realize side touch-control.

10. a kind of electronic device, which is characterized in that including the described in any item touch screens of claim 1-9.