CN109814753A - Touch module, display screen and display device - Google Patents
Touch module, display screen and display device Download PDFInfo
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- CN109814753A CN109814753A CN201910020173.2A CN201910020173A CN109814753A CN 109814753 A CN109814753 A CN 109814753A CN 201910020173 A CN201910020173 A CN 201910020173A CN 109814753 A CN109814753 A CN 109814753A
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Abstract
The present invention relates to a kind of touch module, display screen and display devices, the touch module is by being arranged to multiple bridging lines and first electrode line for the first conductive layer, second conductive layer includes a plurality of driving electrodes being arranged along a first direction and a plurality of induction electrode along second direction setting, and the driving electrodes intersect with the induction electrode；At the position of the intersection, the induction electrode is disconnected or the driving electrodes disconnect.Driving electrodes and the induction electrode can be used for touch function or fingerprint identification function.First electrode line in first conductive layer and the driving electrodes in second conductive layer and/or induction electrode are formed as parallel plate capacitor, the parallel plate capacitor can be used for touch function or fingerprint identification function, to realize the integrated of fingerprint identification function and touch function.
Description
Technical field
The present invention relates to field of display technology, more particularly to a kind of touch module, display screen and display device.
Background technique
With the development of touch technology and display technology, touch control display apparatus receives pursuing for more and more people,
By taking common touch-control class intelligent mobile terminal as an example, higher and higher screen accounting design brought to user it is more ultimate attainment than in the past
Visual experience, still, while intelligent mobile terminal improves its screen accounting, leave for user for safety certification fingerprint
The space of identification is smaller and smaller.
In order to allow terminal to reach higher screen accounting, unlocked by fingerprint is arranged at the fuselage back side, will refer to by part manufacturer terminal
Line unlock postposition will affect terminal rear cover aesthetics, and in order to solve to realize screen fingerprint recognition, current screen unlocked by fingerprint has light
Learn several schemes such as induction unlock, RF type.
In the conventional technology, optics and RF type unlocked by fingerprint element need to add in the lower section of screen corresponding position
Receiving sensor, accordingly, there exist increase termination thickness.
Summary of the invention
Based on this, it is necessary to there is the skill for increasing termination thickness for optics in traditional technology and RF type unlocked by fingerprint
Art problem provides a kind of touch module, display screen and display device.
A kind of touch module, is applied to touch control display device, and touch module includes:
Touch cover；
First conductive layer, positioned at the touch cover towards the touch control display device display structure side, it is described
First conductive layer includes multiple bridging lines and first electrode line, and the bridging line and the first electrode line insulate；
Transparent insulating layer covers first conductive layer；
Second conductive layer, the side positioned at the transparent insulating layer far from first conductive layer, second conductive layer
Including a plurality of driving electrodes being arranged along a first direction and a plurality of induction electrode being arranged along second direction, the driving electricity
Pole intersects with the induction electrode；At the position of the intersection, the induction electrode is disconnected or the driving electrodes are disconnected
It opens；
When the induction electrode disconnects, the induction electrode open position is electrically connected by the bridging line；
When the driving electrodes disconnect, the driving electrodes open position is electrically connected by the bridging line.
Above-mentioned touch module is by being arranged to multiple bridging lines and first electrode line, the second conductive layer packet for the first conductive layer
The a plurality of induction electrode for including a plurality of driving electrodes being arranged along a first direction and being arranged along second direction, the driving electrodes
It intersects with the induction electrode；At the position of the intersection, the induction electrode is disconnected or the driving electrodes disconnect.
Driving electrodes and the induction electrode can be used for touch function or fingerprint identification function.First electrode in first conductive layer
Driving electrodes and/or induction electrode in line and second conductive layer are formed as parallel plate capacitor, which can be with
For touch function or fingerprint identification function, to realize the integrated of fingerprint identification function and touch function.
When the induction electrode disconnects in one of the embodiments, the induced electricity is corresponded on the transparent insulating layer
The two sides of pole open position have first through hole and the second through-hole, and first conductive penetrates through the first through hole and institute
The second through-hole is stated, is electrically connected the induction electrode open position by the bridging line；
When the driving electrodes disconnect, the two sides for corresponding to the driving electrodes open position on the transparent insulating layer have
Third through-hole and fourth hole, first conductive penetrates through the third through-hole and the fourth hole, by described
The driving electrodes open position is electrically connected by bridging line.
The first electrode line is fingerprint recognition electrode in one of the embodiments,；
Second conductive layer includes the multiple touch drive electrodes being arranged along a first direction and sets along second direction
The a plurality of touch-control sensing electrode set, the touch-driven electrode intersect with the touch-control sensing electrode；In the intersection
At position, the touch-control sensing electrode is disconnected or the touch-driven electrode disconnects；
Wherein, the touch-control sensing electrode and/or the touch-driven electrode and the fingerprint recognition electrode constitute fingerprint
The parallel plate capacitor of identification.
When the fingerprint recognition electrode is applied driving signal in one of the embodiments, the touch-control sensing electrode
And/or the touch-driven electrode is used as fingerprint recognition induction electrode；Or
When the touch-control sensing electrode and/or the touch-driven electrode are applied driving signal, the fingerprint recognition electricity
Pole is used as fingerprint recognition induction electrode.
The touch module further includes switch, touch-control integrated circuit in one of the embodiments,；
When the touch-control sensing electrode disconnects, the touch-driven electrode and the fingerprint recognition electrode constitute fingerprint and know
Other parallel plate capacitor, the touch-driven electrode are electrically connected with the touch-control integrated circuit, the fingerprint recognition electrode and institute
State touch-control sensing electrode pass through respectively it is described switch be electrically connected with the touch-control integrated circuit；
When the touch-driven electrode disconnects, the touch-control sensing electrode and the fingerprint recognition electrode constitute fingerprint and know
Other parallel plate capacitor, the touch-control sensing electrode are electrically connected with the touch-control integrated circuit, the fingerprint recognition electrode and institute
State touch-driven electrode pass through respectively it is described switch be electrically connected with the touch-control integrated circuit.
The first electrode line is touch control electrode in one of the embodiments,；
Second conductive layer includes a plurality of fingerprint recognition driving electrodes being arranged along a first direction and along second party
To a plurality of fingerprint recognition induction electrode of setting, the fingerprint recognition driving electrodes are mutually handed over the fingerprint recognition induction electrode
Fork；At the position of the intersection, the fingerprint recognition induction electrode is disconnected or the fingerprint recognition driving electrodes disconnect；
Wherein, the fingerprint recognition induction electrode and/or the fingerprint recognition driving electrodes and the touch control electrode are constituted
The parallel plate capacitor of touch-control.
First conductive layer includes luminous zone and non-light-emitting area in one of the embodiments,；
The bridging line and the fingerprint recognition electrode are located at the non-light-emitting area.
Bridging line sandwich structure made of titanium, aluminium titanium stack in one of the embodiments,；Or
The material that the bridging line uses for nano silver, tin indium oxide, indium zinc oxide, silver-doped tin indium oxide or mix
It is any in the indium zinc oxide of miscellaneous silver.
Preferably, second conductive layer is formed in display structure of the touch cover towards the touch control display device
Surface on；
First conductive layer is formed in display encapsulation cover plate towards on the surface of the touch cover.
A kind of display screen, including touch module described in any of the above-described embodiment.
A kind of display device, including display screen described in any of the above-described embodiment.
Detailed description of the invention
Fig. 1 is the basic structure schematic diagram of display screen；
Fig. 2 a is the partial structure diagram of touch module in the application one embodiment；
Fig. 2 b is the partial schematic diagram of the first conductive layer in the application one embodiment；
Fig. 2 c is the partial schematic diagram of the second conductive layer in the application one embodiment；
Fig. 2 d to 2e is the partial structure diagram of touch module in the application one embodiment；
Fig. 3 a is the partial schematic diagram of the first conductive layer in the application one embodiment；
Fig. 3 b to 3c is the partial structure diagram of touch module in the application one embodiment；
Fig. 4 a to 4d is the partial structure diagram of touch module in the application one embodiment；
Fig. 5 is the partial schematic diagram of the first conductive layer in the application one embodiment；
Fig. 6 is the partial structure diagram of touch module in the application one embodiment.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
It should be noted that it can directly on the other element when element is referred to as " being set to " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
As background technique, usually display device is arranged in fingerprint identification module by display equipment in the prior art
Non-display area, for example be arranged under the key of non-display area or the back side of display device, still, the mode being arranged under key limits
It has made display device to develop to comprehensive screen direction, and the use of the back side of display device then inconvenient user is set.To understand
Certainly realize screen fingerprint recognition, current screen unlocked by fingerprint there are several schemes such as optical sensor unlock, RF type, optics and penetrates
Frequency formula unlocked by fingerprint element needs to add receiving sensor in the lower section of screen corresponding position, there is the skill for increasing termination thickness
Art problem.
Based on this, this application provides a kind of touch modules, are applied to touch control display device, which includes: touching
Control cover board；First conductive layer, positioned at touch cover towards touch control display device display structure side, the first conductive layer includes
Multiple bridging lines and first electrode line, bridging line and first electrode line insulate；Transparent insulating layer covers the first conductive layer；Second
Conductive layer, the side positioned at transparent insulating layer far from the first conductive layer, the second conductive layer include be arranged along a first direction it is more
Driving electrodes and a plurality of induction electrode being arranged along second direction, driving electrodes intersect with induction electrode；Intersecting
Position at, induction electrode disconnect or driving electrodes disconnect；When induction electrode disconnects, induction electrode is disconnected by position by bridging line
Set electrical connection；When driving electrodes disconnect, driving electrodes open position is electrically connected by bridging line.
Above-mentioned touch module is by being arranged to multiple bridging lines and first electrode line, the second conductive layer packet for the first conductive layer
The a plurality of induction electrode for including a plurality of driving electrodes being arranged along a first direction and being arranged along second direction, driving electrodes and sense
Electrode is answered to intersect；At the position of intersection, induction electrode is disconnected or driving electrodes disconnect.Driving electrodes and induction electrode can
To be used for touch function or fingerprint identification function.Driving electricity in first electrode line and the second conductive layer in first conductive layer
Pole and/or induction electrode are formed as parallel plate capacitor, which can be used for touch function or fingerprint identification function,
To realize by the integrated of fingerprint identification function and touch function, so that touch module has had both touch function and fingerprint recognition
Function is avoided using optics and RF type unlocked by fingerprint element, and then reduces the thickness of terminal, and improve user uses body
It tests.
Firstly, display screen includes display structure 110, display cap in conjunction with the basic structure of Fig. 1 simple declaration display screen
Plate 120, polaroid 130, touch screen 140 and touch cover 150.Wherein, display structure 110 includes the organic light emission of array arrangement
Diode, the TFT pixel circuit being made of thin film transistor (TFT), display encapsulation cover plate 120 are used for luminescent device and external environment
Isolation, to prevent moisture, pernicious gas (oxygen etc.), dust and ray intrusion and prevent external force from damaging, can be with stabilizing device
Parameters improve the service life of display screen.The non-polarized light that polaroid 130 is used to issue Organic Light Emitting Diode is converted
For polarised light.Touch screen 140 is used to incude the touch operation on display screen, realizes fingerprint identification function and touch function.Touch-control
Cover board 150, the glassy layer on touch screen 140, for providing protection for display screen.
In one embodiment, the embodiment of the present application provides a kind of touch module, is applied to touch control display device, the touch-control
Mould group includes touch cover, the first conductive layer, transparent insulating layer and the second conductive layer.Wherein, the first conductive layer is located at touch-control lid
Plate towards touch control display device display structure side.Transparent insulating layer covers the first conductive layer.Second conductive layer is located at saturating
Side of the bright insulating layer far from the first conductive layer.Illustratively, Fig. 2 a is referred to, which includes the touch-control stacked gradually
Cover board 150, the first conductive layer 220, transparent insulating layer 230 and the second conductive layer 240.Refer to Fig. 2 b, the first conductive layer 220 packet
Multiple bridging lines 221 and first electrode line 222 are included, bridging line 221 and first electrode line 222 insulate.Fig. 2 c is referred to, second leads
Electric layer 240 includes a plurality of driving electrodes 241 being arranged along a first direction and a plurality of induction electrode along second direction setting
242, driving electrodes 241 intersect with induction electrode 242；At the position of intersection, induction electrode is disconnected or driving electrodes are disconnected
It opens；When induction electrode 242 disconnects, 242 open position of induction electrode is electrically connected by bridging line 221.Driving electrodes 241 disconnect
When, 241 open position of driving electrodes is electrically connected by bridging line 221.Wherein, the first conductive layer 220 and the second conductive layer 240
Material used can be nano silver, be also possible to tin indium oxide (ITO), indium zinc oxide, silver-doped tin indium oxide or mix
The transparent conductive materials such as the indium zinc oxide of miscellaneous silver can also be the good metal material of the ductility such as aluminium.First conductive layer 220 can
To use titanium/aluminium/titanium sandwich structure.
Further, Fig. 2 d is referred to, touch cover 150 includes the first surface 150a and second surface being oppositely arranged
150b, first surface 150a refer to touch cover towards touch control display device display structure surface.Second surface 150b
Refer to the one side towards user, the touch operation of user occurs on second surface 150b.Induction electrode 242 disconnects
When, induction electrode 242 includes induction first electrode 250 and induction second electrode 260.Induced electricity is corresponded on transparent insulating layer 230
The two sides of 242 open position of pole have first through hole 251 and the second through-hole 261, and the first conductive penetrates through first through hole 251
With the second through-hole 261, bridging line 221 will incude first electrode 250 and induction second electrode 260 is electrically connected, that is, pass through bridging line
221 are electrically connected 242 open position of induction electrode.
Fig. 2 e is referred to, when driving electrodes 241 disconnect, driving electrodes 241 include driving first electrode 270 and driving second
Electrode 280.The two sides that driving electrodes open position is corresponded on transparent insulating layer 230 have third through-hole 271 and fourth hole
281, the first conductive penetrates through third through-hole 271 and fourth hole 281, and bridging line 221 will drive first electrode 270 and drive
Dynamic second electrode 280 is electrically connected, i.e., is electrically connected 241 open position of driving electrodes by bridging line 221.
In the present embodiment, touch module is by being arranged to multiple bridging lines and first electrode line for the first conductive layer, and second
Conductive layer includes a plurality of driving electrodes being arranged along a first direction and a plurality of induction electrode along second direction setting, driving
Electrode intersects with induction electrode；At the position of intersection, induction electrode is disconnected or driving electrodes disconnect.Driving electrodes and sense
Electrode is answered to can be used for touch function or fingerprint identification function.In first electrode line and the second conductive layer in first conductive layer
Driving electrodes perhaps induction electrode is formed as that the parallel plate capacitor parallel plate capacitor can be used for touch function or fingerprint is known
Other function, to realize the integrated of fingerprint identification function and touch function so that touch module had both touch function and
Fingerprint identification function is avoided using optics and RF type unlocked by fingerprint element, and then reduces the thickness of terminal, improves user's
Usage experience.
In one embodiment, Fig. 3 a is referred to, first electrode line is fingerprint recognition electrode.Second conductive layer 240 includes
The multiple touch drive electrodes 310 being arranged along a first direction and a plurality of touch-control sensing electrode 320 being arranged along second direction,
Touch-driven electrode 310 intersects with touch-control sensing electrode 320；At the position of intersection, touch-control sensing electrode 310 disconnect or
Touch-driven electrode 320 disconnects；Wherein, touch-control sensing electrode and/or touch-driven electrode and fingerprint recognition electrode constitute fingerprint
The parallel plate capacitor of identification.
In one embodiment, touch-control sensing electrode and fingerprint recognition electrode constitute the parallel plate capacitor of fingerprint recognition.Please
Referring to Fig. 3 b, Fig. 3 b be when touch-control sensing electrode 320 disconnects touch module along being parallel to 320 extending direction of touch-control sensing electrode
Sectional view.When first electrode line is fingerprint recognition electrode 330, touch-control sensing electrode 320 can be with 330 structure of fingerprint recognition electrode
At parallel plate capacitor, fingerprint identification function can be realized by touch-control sensing electrode 320 and fingerprint recognition electrode 330.Wherein, refer to
When line identification electrode is applied driving signal, touch-control sensing electrode may be used as fingerprint recognition induction electrode.Touch-control sensing electrode
When being applied driving signal, fingerprint recognition electrode may be used as fingerprint recognition induction electrode.Preferably, in order to reduce peripheral wiring
Layout, can by touch-control sensing electrode 320 be used as fingerprint recognition induction electrode, by fingerprint recognition electrode 330 be used as fingerprint knowledge
Other driving electrodes to not only realize the integrated of touch function and fingerprint identification function, but also reduce the layout of peripheral wiring,
To reduce the width of frame.
In another embodiment, touch-driven electrode and fingerprint recognition electrode constitute the parallel plate capacitor of fingerprint recognition.
Refer to Fig. 3 c, Fig. 3 c be when touch-driven electrode 310 disconnects touch module along being parallel to 310 side of extension of touch-driven electrode
To sectional view.When first electrode line is fingerprint recognition electrode 330, touch-driven electrode 310 can be with fingerprint recognition electrode 330
Parallel plate capacitor is constituted, fingerprint identification function can be realized by touch-driven electrode 310 and fingerprint recognition electrode 330.Wherein,
When fingerprint recognition electrode is applied driving signal, touch-driven electrode may be used as fingerprint recognition induction electrode.Touch-control driving electricity
When pole is applied driving signal, fingerprint recognition electrode may be used as fingerprint recognition induction electrode.Preferably, it is walked to reduce periphery
Touch-driven electrode 310 can be used as fingerprint recognition driving electrodes, fingerprint recognition electrode 330 is used as fingerprint by the layout of line
It identifies induction electrode, to not only realize the integrated of touch function and fingerprint identification function, but also reduces the cloth of peripheral wiring
Office, reduces the width of frame.
In another embodiment, touch-control sensing electrode and touch-driven electrode and fingerprint recognition electrode constitute fingerprint recognition
Parallel plate capacitor.When touch-control sensing electrode and touch-driven electrode are used as fingerprint recognition induction electrode together, fingerprint recognition
Electrode is used as fingerprint recognition driving electrodes.When touch-control sensing electrode and touch-driven electrode are used as fingerprint recognition driving electrodes together
When, fingerprint recognition electrode is used as fingerprint recognition induction electrode.
In one embodiment, touch module further includes switch, touch-control integrated circuit.When touch-control sensing electrode disconnects,
Touch-driven electrode and fingerprint recognition electrode constitute the parallel plate capacitor of fingerprint recognition, touch-driven electrode and touch-control integrated circuit
Electrical connection, fingerprint recognition electrode pass through switch with touch-control sensing electrode respectively and are electrically connected with touch-control integrated circuit.Fig. 4 a is referred to,
Touch module is along the sectional view for being parallel to 310 extending direction of touch-driven electrode when Fig. 4 a is the disconnection of touch-control sensing electrode 320.
Touch-control sensing electrode 320 needs bridging line 221 that will be electrically connected at 320 open position of touch-control sensing electrode when disconnecting.Therefore, when
When one electrode wires are fingerprint recognition electrode 330, in order to improve the stability and performance of product, touch-driven electrode can choose
310 constitute parallel plate capacitor with fingerprint recognition electrode 330, are referred to by touch-driven electrode 310 and the realization of fingerprint recognition electrode 330
Line identification function.
Specifically, Fig. 4 b is referred to, switch 410 includes first end 411, second end 412 and control terminal 413.Touch-control driving
Electrode 310 is electrically connected with touch-control integrated circuit 420.The control terminal 413 of switch is electrically connected with touch-control integrated circuit 420, first end
411 are electrically connected with fingerprint recognition electrode 330, and second end 412 is electrically connected with touch-control sensing electrode 320, since bridging line 221 will touch
It controls and is electrically connected at 320 open position of induction electrode, i.e., second end 412 is electrically connected with bridging line 221.It is realized and is touched by switch 410
Control the mutual switching of function and fingerprint identification function.Further, in order to reduce the layout of peripheral wiring, touch-control can be driven
Electrode 310 is used as fingerprint recognition driving electrodes, and fingerprint recognition electrode 330 is used as fingerprint recognition induction electrode, thus not only real
Show the integrated of touch function and fingerprint identification function, and reduced the layout of peripheral wiring, reduces the width of frame.
When touch-driven electrode disconnects, the parallel-plate electricity of touch-control sensing electrode and fingerprint recognition electrode composition fingerprint recognition
Hold, touch-control sensing electrode be electrically connected with touch-control integrated circuit, fingerprint recognition electrode and touch-driven electrode pass through respectively switch and
The electrical connection of touch-control integrated circuit.Refer to Fig. 4 c, Fig. 4 c be when touch-driven electrode 310 disconnects touch module along being parallel to touching
Control the sectional view of 320 extending direction of induction electrode.Touch-driven electrode 310 needs bridging line by touch-driven electrode when disconnecting
It is electrically connected at 310 open positions.Therefore, when first electrode line is fingerprint recognition electrode 330, in order to improve the stability of product
And performance, it can choose touching touch-control sensing electrode 320 and fingerprint recognition electrode 330 constitute parallel plate capacitor, pass through touch-control sensing
Electrode 320 and fingerprint recognition electrode 330 realize fingerprint identification function.
Specifically, Fig. 4 d is referred to, switch 410 includes first end 411, second end 412 and control terminal 413.Touch-control sensing
Electrode 320 is electrically connected with touch-control integrated circuit 420.The control terminal 413 of switch is electrically connected with touch-control integrated circuit 420, first end
411 are electrically connected with fingerprint recognition electrode 330, and second end 412 is electrically connected with touch-driven electrode 310, since bridging line 221 will touch
It controls and is electrically connected at 310 open position of driving electrodes, i.e., second end 412 is electrically connected with bridging line 221.It is realized and is touched by switch 410
Control the mutual switching of function and fingerprint identification function.It further, can be by touch-control sensing in order to reduce the layout of peripheral wiring
Electrode 320 is used as fingerprint recognition induction electrode, and fingerprint recognition electrode 330 is used as fingerprint recognition driving electrodes, thus not only real
Show the integrated of touch function and fingerprint identification function, and reduced the layout of peripheral wiring, reduces the width of frame.
In one embodiment, first electrode line is touch control electrode；Second conductive layer includes being arranged along a first direction
A plurality of fingerprint recognition driving electrodes and a plurality of fingerprint recognition induction electrode being arranged along second direction, fingerprint recognition driving electrodes
It intersects with fingerprint recognition induction electrode.At the position of intersection, fingerprint recognition induction electrode disconnects or fingerprint recognition driving
Electrode disconnects.Wherein, fingerprint recognition induction electrode and/or fingerprint recognition driving electrodes and touch control electrode constitute the parallel-plate of touch-control
Capacitor.
It is understood that the second conductive layer is used as touch control electrode in the present embodiment, know with the second conductive layer as fingerprint
Be in place of the difference of other electrode: the electrode density of fingerprint recognition is greater than the electrode density of touch-control, i.e. the second conductive layer is used as fingerprint
When identifying electrode, electrode density is larger.Fingerprint recognition driving electrodes and fingerprint recognition induction electrode in second conductive layer with
Touch-driven electrode 310 and touch-control sensing electrode 320 have certain similar degree in structure in second conductive layer, thus its two
The top view and cross-sectional view of person is essentially identical.It is not repeated herein in conjunction with attached drawing.It should be noted that the
One direction can be longitudinal direction and be also possible to transverse direction, and second direction can be longitudinal direction and be also possible to transverse direction, first direction and second party
To being mutually perpendicular to.
In one embodiment, Fig. 5 is referred to, the first conductive layer 220 includes that luminous zone 510 and non-light-emitting area (are not marked
Out).Bridging line 221 and fingerprint recognition electrode are located at non-light-emitting area.Wherein, bridging line can also use the sandwich of Ti/Al/Ti
Structure, it is either any in the indium zinc oxide using nano silver, ITO, indium zinc oxide, the tin indium oxide of silver-doped or silver-doped
Kind.Fingerprint recognition electrode can rationally avoid light emitting sub-pixel, avoid blocking light emitting sub-pixel, guarantee preferably to go out light
Rate and display quality.In the present embodiment, fingerprint recognition electrode is electrically conducting transparent material or metal material.Due to fingerprint recognition
The line width of electrode is thinner, and therefore, two kinds of materials involved in the embodiment of the present application a degree of can avoid the sub- picture that shines
Element avoids blocking.
In one embodiment, the second conductive layer be formed in touch cover towards touch control display device display structure table
On face.First conductive layer is formed in display encapsulation cover plate towards on the surface of touch cover.Specifically, Fig. 6 is referred to, second leads
Electric layer 240 is formed in touch cover 150 towards on the surface of the display structure of touch control display device, and the second conductive layer 240 includes
The a plurality of driving electrodes 241 being arranged along a first direction and a plurality of induction electrode 242 being arranged along second direction.First is conductive
Layer 220 is formed in display encapsulation cover plate 120 towards on the surface of touch cover, and the first conductive layer 220 includes multiple bridging lines 221
With first electrode line 222.When induction electrode 242 disconnects, 242 open position of induction electrode is electrically connected by bridging line 221.
In the present embodiment, first electrode line 222 can form plate plate capacitor, first electrode line 222 with induction electrode 242
Plate plate capacitor can also be formed with driving electrodes 241, first electrode line 222 can also be with induction electrode 242 and driving electrodes
241 form plate plate capacitor.When induction electrode 242 and driving electrodes 241 can be used for fingerprint identification function, the plate plate of formation
Capacitor is used for touch function.When induction electrode 242 and driving electrodes 241 can be used for touch function, the plate plate capacitor of formation
For fingerprint identification function.To realize by the integrated of fingerprint identification function and touch function, so that touch module has both
Touch function and fingerprint identification function are avoided using optics and RF type unlocked by fingerprint element, and then reduce the thickness of terminal,
Improve the usage experience of user.
In one embodiment, the application provides a kind of display screen, which includes the touching in any of the above-described embodiment
Control mould group.
In one embodiment, the application provides a kind of display device, which includes aobvious in above-described embodiment
Display screen.
It should be noted that term " first " used in the embodiment of the present application, " second " etc. can be used for herein
Various elements are described, but these elements should not be limited by these terms.These terms are only used to by first element and another yuan
Part is distinguished.For example, in the case where not departing from the application range, first through hole can be known as to the second through-hole, and similar
Second through-hole can be known as first through hole by ground.First through hole and the second through-hole both region in display screen, but it is not
Same through-hole.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of touch module, it is applied to touch control display device, which is characterized in that the touch module includes:
Touch cover；
First conductive layer, positioned at the touch cover towards the touch control display device display structure side, described first
Conductive layer includes multiple bridging lines and first electrode line, and the bridging line and the first electrode line insulate；
Transparent insulating layer covers first conductive layer；
Second conductive layer, the side positioned at the transparent insulating layer far from first conductive layer, second conductive layer include
The a plurality of driving electrodes that are arranged along a first direction and a plurality of induction electrode being arranged along second direction, the driving electrodes with
The induction electrode intersects；At the position of the intersection, the induction electrode is disconnected or the driving electrodes disconnect；
When the induction electrode disconnects, the induction electrode open position is electrically connected by the bridging line；
When the driving electrodes disconnect, the driving electrodes open position is electrically connected by the bridging line.
2. touch module according to claim 1, which is characterized in that when the induction electrode disconnects, the transparent insulation
The two sides that the induction electrode open position is corresponded on layer have first through hole and the second through-hole, and first conductive is passed through
Lead to the first through hole and second through-hole, is electrically connected the induction electrode open position by the bridging line；
When the driving electrodes disconnect, the two sides that the driving electrodes open position is corresponded on the transparent insulating layer have third
Through-hole and fourth hole, first conductive penetrate through the third through-hole and the fourth hole, pass through the bridge joint
The driving electrodes open position is electrically connected by line.
3. touch module according to claim 2, which is characterized in that the first electrode line is fingerprint recognition electrode；
Second conductive layer includes the multiple touch drive electrodes being arranged along a first direction and is arranged along second direction
A plurality of touch-control sensing electrode, the touch-driven electrode intersect with the touch-control sensing electrode；In the position of the intersection
Place, the touch-control sensing electrode disconnects or the touch-driven electrode disconnects；
Wherein, the touch-control sensing electrode and/or the touch-driven electrode and the fingerprint recognition electrode constitute fingerprint recognition
Parallel plate capacitor.
4. touch module according to claim 3, which is characterized in that the fingerprint recognition electrode is applied driving signal
When, the touch-control sensing electrode and/or the touch-driven electrode are used as fingerprint recognition induction electrode；Or
When the touch-control sensing electrode and/or the touch-driven electrode are applied driving signal, the fingerprint recognition electrode is used
Make fingerprint recognition induction electrode.
5. touch module according to claim 3, which is characterized in that the touch module further includes that switch, touch-control are integrated
Circuit；
When the touch-control sensing electrode disconnects, the touch-driven electrode and the fingerprint recognition electrode constitute fingerprint recognition
Parallel plate capacitor, the touch-driven electrode are electrically connected with the touch-control integrated circuit, the fingerprint recognition electrode and the touching
Control induction electrode passes through the switch respectively and is electrically connected with the touch-control integrated circuit；
When the touch-driven electrode disconnects, the touch-control sensing electrode and the fingerprint recognition electrode constitute fingerprint recognition
Parallel plate capacitor, the touch-control sensing electrode are electrically connected with the touch-control integrated circuit, the fingerprint recognition electrode and the touching
Control driving electrodes pass through the switch respectively and are electrically connected with the touch-control integrated circuit.
6. touch module according to claim 1, which is characterized in that the first electrode line is touch control electrode；
Second conductive layer includes a plurality of fingerprint recognition driving electrodes being arranged along a first direction and sets along second direction
The a plurality of fingerprint recognition induction electrode set, the fingerprint recognition driving electrodes intersect with the fingerprint recognition induction electrode；
At the position of the intersection, the fingerprint recognition induction electrode is disconnected or the fingerprint recognition driving electrodes disconnect；
Wherein, the fingerprint recognition induction electrode and/or the fingerprint recognition driving electrodes and the touch control electrode constitute touch-control
Parallel plate capacitor.
7. touch module according to any one of claims 1 to 6, which is characterized in that first conductive layer includes shining
Area and non-light-emitting area；
The bridging line and the fingerprint recognition electrode are located at the non-light-emitting area.
8. touch module according to claim 7, which is characterized in that the bridging line is made of titanium, aluminium titanium stack
Sandwich structure；Or
The material that the bridging line uses is nano silver, tin indium oxide, indium zinc oxide, the tin indium oxide of silver-doped or silver-doped
Indium zinc oxide in it is any；
Preferably, second conductive layer be formed in the touch cover towards the touch control display device display structure table
On face；
First conductive layer is formed in display encapsulation cover plate towards on the surface of the touch cover.
9. a kind of display screen, which is characterized in that including touch module as claimed in any one of claims 1 to 8.
10. a kind of display device, which is characterized in that including display screen as claimed in claim 9.
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| CN109814753B (en) | 2022-08-16 |
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Application publication date: 20190528 Assignee: BAZHOU YUNGU ELECTRONIC TECHNOLOGY Co.,Ltd.|KUNSHAN NEW FLAT PANEL DISPLAY TECHNOLOGY CENTER Co.,Ltd.|KUNSHAN GO-VISIONOX OPTO-ELECTRONICS Co.,Ltd. Assignor: YUNGU (GU'AN) TECHNOLOGY Co.,Ltd. Contract record no.: X2019990000155 Denomination of invention: Touch module, display screen and display device License type: Common License Record date: 20191030 |
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Effective date of registration: 20191206 Address after: No. 2 Xiangshan Avenue, Yongning Street, Zengcheng District, Guangzhou, Guangdong province (the core of Zengcheng economic and Technological Development Zone) Applicant after: Guangzhou Guoxian Technology Co.,Ltd. Address before: 065500 Hebei Langfang County Guan emerging industry demonstration area Applicant before: YUNGU (GU'AN) TECHNOLOGY Co.,Ltd. |
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