CN106527794B - Touch display panel and touch display device - Google Patents
Touch display panel and touch display device Download PDFInfo
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- CN106527794B CN106527794B CN201610939378.7A CN201610939378A CN106527794B CN 106527794 B CN106527794 B CN 106527794B CN 201610939378 A CN201610939378 A CN 201610939378A CN 106527794 B CN106527794 B CN 106527794B
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention provides a touch display panel and a touch display device, wherein the touch display panel comprises: a first substrate; a display element on the first substrate; the composite film is positioned on the display element and comprises at least one barrier layer and a first touch electrode layer, and the first touch electrode layer comprises a plurality of first touch electrodes; and the optical film is positioned on the composite film and comprises an 1/4 phase difference film and a second touch electrode layer, the second touch electrode layer is arranged on the 1/4 phase difference film and is insulated from the first touch electrode layer, and the second touch electrode layer comprises a plurality of second touch electrodes. The touch display panel and the touch display device provided by the invention can realize the thinning of the touch display panel.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of touch-control display panels and touch control display apparatus.
Background technique
With the development of human-computer interaction technology, touch technology is increasingly used on various displays.Capacitive character touching
For control technology since its is wear-resistant, the service life is long, maintenance cost is low when user uses, and can support gesture identification and multi-point touch
The advantages of and be widely used.
Capacitive character touch technology can be divided into self-capacitance touch-control skill according to the detection mode of the capacitor between different objects
Art and mutual capacitance type touch control technology.Self-capacitance touch technology detects defeated according to the capacitance variations between input object and electrode
Enter presence, position and the movement of object on the touchscreen.Mutual capacitance type touch control technology is then between the electrode according to caused by input object
Capacitance variations detect presence, position and the movement of input object on the touchscreen.
In the prior art, for OLED (the Organic Light- with external hanging type (add on) mutual tolerance touch-control film
Emitting Diode, Organic Light Emitting Diode) display panel, with more stepped construction, as shown in Figure 1.Display surface
Plate 100 from bottom to top successively include substrate 101, array substrate 102, OLED element 103, packaging film 104, block film 106,
Optical thin film 107, mutual capacitance type touch-control film 108 and cover board 109.Optical thin film 107 includes such as line polarisation piece, 1/2 phase difference
One or more layers in film and 1/4 phase difference film.Since each stepped construction needs mutually fit, display panel 100 also wraps
Include between packaging film 104 and block film 106, between block film 106 and optical thin film 107,107 and of optical thin film
105 (Optically of optical adhesive layer between mutual capacitance type touch-control film 108, between mutual capacitance type touch-control film 108 and cover board 109
Clear Adhesive, OCA).Display panel 100 shown in FIG. 1 has more optical adhesive layer 105.
Further, the specific structure of mutual capacitance type touch-control film 108 may refer to Fig. 2, and mutual capacitance type touch-control film 108 includes
First touch-control film 111, the second touch-control film 112 and exhausted between the first touch-control film 111 and the second touch-control film 112
Edge layer (the first touch-control film 111 and the second touch-control film 112 can also be bonded by optical cement 105).First touch-control film 111
Including substrate and positioned at the first touch control electrode layer of substrate any surface.Second touch-control film 112 is including substrate and is located at substrate
The second touch control electrode layer of any surface.Other in the prior art, the first touch control electrode layer and second touch control electrode layer
Substrate is same.
Substrate in first touch-control film 111 and the second touch-control film 112 is such as PET (polyethylene glycol
Terephthalate, polyethylene terephthalate) polymer material.
It can be seen that in the prior art, the OLED display panel with external hanging type mutual tolerance touch-control film has more
Stepped construction causes entire display panel thickness larger.When applying to flexible OLED product, due to biggish thickness, cause
The bending of OLED display panel is poor.Further, since OLED display panel stacking is more, manufacturing cost is higher.Meanwhile
Optical transmittance in display can also decline.
Summary of the invention
The present invention provides a kind of touch-control display panel and touch-control display dress to overcome the problems of the above-mentioned prior art
It sets, realizes the slimming of touch-control display panel.
According to an aspect of the present invention, a kind of touch-control display panel is provided, comprising: first substrate；Display element is located at
On the first substrate；Laminated film is located on the display element, and the laminated film includes an at least barrier layer and first
Touch control electrode layer, first touch control electrode layer include multiple first touch control electrodes；And optical thin film, it is located at the THIN COMPOSITE
On film, the optical thin film includes 1/4 phase difference film and second touch control electrode layer, and the second touch control electrode layer is set to described
On 1/4 phase difference film, the second touch control electrode layer and first touch control electrode layer insulate, the second touch control electrode layer packet
Include multiple second touch control electrodes.
According to another aspect of the present invention, a kind of touch control display apparatus is also provided, comprising: touch-control as described above is shown
Panel.
Compared with prior art, the present invention is by being integrated into the laminated film with barrier layer for the first touch control electrode layer
In, second touch control electrode layer is integrated into the optical thin film with 1/4 phase difference film, there is 1/4 phase difference film utilizing
Optical thin film, which is realized, reduces environment light while reflect in touch-control display panel, reduce for be arranged the first touch control electrode layer and
The substrate of second touch control electrode layer, and then realize the slimming of touch-control display panel.Technical solution of the present invention can also promote touching
The light transmission rate for controlling display panel, reduces the cost of touch-control display panel.In addition, when touch-control display panel is flexible display panels
When, the bending of touch-control display panel can also be improved.
Detailed description of the invention
Its example embodiment is described in detail by referring to accompanying drawing, above and other feature of the invention and advantage will become
It is more obvious.
Fig. 1 shows the sectional view of touch-control display panel according to prior art.
Fig. 2 shows the sectional views of the mutual tolerance touch-control film of touch-control display panel in Fig. 1.
Fig. 3 shows the sectional view of touch-control display panel according to an embodiment of the invention.
Fig. 4 shows one embodiment of the laminated film of touch-control display panel in Fig. 3.
Fig. 5 shows another embodiment of the laminated film of touch-control display panel in Fig. 3.
Fig. 6 shows another embodiment of the laminated film of touch-control display panel in Fig. 3.
Fig. 7 shows the further embodiment of the laminated film of touch-control display panel in Fig. 3.
Fig. 8 shows one embodiment of the optical thin film of touch-control display panel in Fig. 3.
Fig. 9 shows another embodiment of the optical thin film of touch-control display panel in Fig. 3.
Figure 10 shows the schematic diagram of touch-control display panel according to an embodiment of the invention.
Figure 11 shows the schematic diagram of touch-control display panel according to another embodiment of the present invention.
Figure 12 shows the schematic diagram of the touch-control display panel of another embodiment according to the present invention.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the present invention will
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.It is identical attached in figure
Icon note indicates same or similar structure, thus will omit repetition thereof.
Described feature, structure or characteristic can be incorporated in one or more embodiments in any suitable manner
In.In the following description, many details are provided to provide and fully understand to embodiments of the present invention.However,
One of ordinary skill in the art would recognize that without one or more in specific detail, or using other methods, constituent element, material
Material etc., can also practice technical solution of the present invention.In some cases, be not shown in detail or describe known features, material or
Person operates to avoid the fuzzy present invention.
Attached drawing of the invention is only used for signal relative positional relationship, and the size of element does not represent actual size in attached drawing
Proportionate relationship.
In order to solve the problems, such as that touch-control display panel thickness is thicker in the prior art, the present invention provides a kind of touch-control display surface
Plate, comprising: first substrate；Display element is located on the first substrate；Laminated film is located on the display element, described
Laminated film includes an at least barrier layer and the first touch control electrode layer, and first touch control electrode layer includes multiple first touch-control electricity
Pole；And optical thin film, it is located on the laminated film, the optical thin film includes 1/4 phase difference film and second touch control electrode
Layer, the second touch control electrode layer are set on 1/4 phase difference film, the second touch control electrode layer and first touch-control
Electrode layer insulation, the second touch control electrode layer includes multiple second touch control electrodes.
Multiple embodiments provided by the invention are described with reference to the accompanying drawing.
The schematic diagram of touch-control display panel 200 according to a first embodiment of the present invention is shown referring first to Fig. 3, Fig. 3.Touching
Controlling display panel 200 includes first substrate 210, display element 220, laminated film 250 and optical thin film 260.
Specifically, first substrate 210 is array substrate.Array substrate 210 includes substrate 211.It is provided on substrate 211
It is used to form the circuit devcie 212 of such as thin film transistor (TFT).Optionally, substrate 211 is fabricated from a flexible material.For example, substrate 211
Can by such as PI (Polyimide, polyimides) film, PET (Polyethylene glycol terephthalate, gather
Ethylene glycol terephthalate) film, PE (Polyethylene, polyethylene) film, PEN (Polyethylene
Naphthalate two formic acid glycol ester, polyethylene naphthalate) film etc. polymer thin
Film is made.
Display element 220 is located on first substrate 210.Display element 220 is optionally OLED element.OLED element 220
It is driven by the circuit devcie 212 of array substrate 210.OLED element 220 optionally includes anode electrode, hole injection layer, sky
Cave transport layer, luminescent layer, electron transfer layer, electron injecting layer and cathode electrode.In OLED element 220, above-mentioned stepped construction
One or more layers can be omitted, alternatively, can also increase other layers.This time, OLED element 220 can be top shine or bottom shine
Type.
Laminated film 250 is located on display element 220, to prevent water oxygen from invading display element 220.In other words, THIN COMPOSITE
Film 250 is located at side of the display element 220 far from first substrate 210.Laminated film 250 includes for stopping water oxygen intrusion display
An at least barrier layer for element 220 and the first touch control electrode layer.Barrier layer may include at least one layer of inorganic layer or barrier layer
It may include being alternately stacked inorganic layer and organic layer.First touch control electrode layer includes multiple first touch control electrodes.Laminated film 250
Multiple embodiments of stepped construction will be described in conjunction with Fig. 4 to Fig. 7.
Optical thin film 260 is located on laminated film 250, for improving the display effect of touch-control display panel 200.Change speech
It, optical thin film 260 is located at side of the laminated film 250 far from display element 220.Optical thin film 260 includes 1/4 phase difference film
261 and second touch control electrode layer 272.Second touch control electrode layer 272 is set on 1/4 phase difference film 261.Second touch control electrode layer
272 and first touch control electrode layer insulate, second touch control electrode layer 272 include multiple second touch control electrodes.Specifically, the second touching
Control electrode layer 272 is preferably directly formed on 1/4 phase difference film 261.In some change case, second touch control electrode layer 272
It is also bonded using adhesive-layer with 1/4 phase difference film 261.
Specifically, the material of the first touch control electrode layer and second touch control electrode layer includes metal or transparent metal oxide
Object (such as indium tin oxide target ITO).Optionally, the first touch control electrode layer by such as metal grill low-resistance metal electrode system
At to mitigate the touch control line load of closer first touch control electrode of cathode from display element 220.Optionally, the second touch-control
Electrode layer 272 is made of the low reflecting material of such as transparent conductive material, to reach preferable optical effect, and the second touch-control
The area of each second touch control electrode of electrode layer 272 can increase greatly, to promote second touch control electrode received signal amount.
Optionally, touch-control display panel 200 further includes packaging film 230.Packaging film 230 is located at 220 He of display element
Between laminated film 250.Optionally, packaging film 230 is still around display element 220, aobvious to coat together with first substrate 210
Show element 220.Packaging film 230 is for display element 220 to be isolated with external environment.Optionally, packaging film 230 includes extremely
Few one layer of inorganic layer and at least one layer of organic layer are to prevent water oxygen from invading display element 220.Packaging film 230 and laminated film
Barrier layer cooperation in 250 is further ensured that display element 220 is not invaded by extraneous water oxygen, and laminated film 250 may be used also
Protection packaging film 230 will not damage in subsequent fitting processing procedure.
Optionally, touch-control display panel 200 further includes cover board 290, is located at second touch control electrode layer 272 far from 1/4 phase
The side of poor film 261.Cover board 290 can be glass cover-plate, and protect to entire touch-control display panel 200.Optionally, it touches
Control display panel 200 further includes being located at protective film of the first substrate 210 far from display element 220 to prevent external force to the first base
Destruction of the plate 210 backwards to 220 surface of display element.
Optionally, touch-control display panel 200 further includes the adhesive-layer 240,280 for coupling each layer.Specifically, viscose glue
Layer 240 can be pressure sensitive adhesive (pressure sensitive adhesive, PSA), and be located at packaging film 230 and THIN COMPOSITE
Between film 250, between laminated film 250 and optical thin film 260.Adhesive-layer 280 can be optical cement OCA, and be located at the
Between two touch control electrode layers 272 and cover board 290.The position of adhesive-layer 240,280 and type are not limited thereto.
It can be seen that touch-control display panel 200 provided by the invention has resistance by the way that the first touch control electrode layer to be integrated into
In the laminated film of barrier, and second touch control electrode layer 272 is integrated into the optical thin film 260 with 1/4 phase difference film 261
In, reduce what environment light reflected in touch-control display panel realizing using the optical thin film 260 with 1/4 phase difference film 261
Meanwhile the substrate for being used to form the first touch control electrode layer and second touch control electrode layer is reduced, and then keep touch-control display panel 200 thin
Type.When optical thin film 260 further includes other optical elements on 1/4 phase difference film 261, can also be touched to second
Control electrode layer 272 is protected, and touch-control performance is improved.Simultaneously as the reduction of the number of plies, can also promote touch-control display panel 200
Light transmission rate, reduce touch-control display panel 200 cost of manufacture.In addition, when touch-control display panel 200 is flexible display panels
When, the bending of touch-control display panel 200 can also be improved.
Fig. 4 to Fig. 7 is combined to illustrate multiple embodiments of laminated film provided by the invention separately below.
Fig. 4 shows one embodiment of the laminated film of touch-control display panel in Fig. 3.
Laminated film 250A includes barrier layer 256, base film 257 and the first touch control electrode layer 271 in Fig. 4.Barrier layer
256 between base film 257 and display element (label 220 in Fig. 3).First touch control electrode layer 271 is located at base film
257 sides far from barrier layer 256.Base film 257, which is used as, to be formed in the making technologies such as the sputtering of barrier layer 256, evaporation, deposition
Substrate.Optionally, base film 257 is made of flexible polymer materials such as PI, PET, PE, PEN.In the present embodiment
In, substrate of the base film 257 as the first touch control electrode layer 271 and barrier layer 256, it is convenient to omit the first touch control electrode layer
271 independent substrate.Also, the first touch control electrode layer 271 is smaller at a distance from second touch control electrode layer (label 272 in Fig. 3),
Signal transmitting between first touch control electrode layer 271 and second touch control electrode layer is sensitiveer, quick.
Optionally, barrier layer 256 is barrier.Barrier includes at least one layer of inorganic material layer 254.At this
In embodiment, barrier further includes at least one layer of organic material layer 255.For example, in the present embodiment, barrier layer 256 by
Inorganic material layer 254 and organic material layer 255 are alternately stacked to be formed.Optionally, inorganic material layer 254 is by one in following material
Kind is made: silicon nitride；Silica；Silicon oxynitride；Or aluminium oxide.Inorganic material layer 254 stops water oxygen to be invaded to be mainly used for
Enter display element.Organic material layer 255 is made of organosilicon series material or flexible polymer material.Organosilicon series material
Including tetraethoxy-silicane, hexamethyldisiloxane, hexamethyldisilazane, octamethylcy-clotetrasiloxane, silicon oxide carbide and carbon nitrogen
SiClx etc..Flexible polymer material includes PI, PET, PE, PEN etc..Organic material layer 255 is used to improve the flat of base film 257
Whole degree reduces mechanical damage.In some change case, barrier layer 256 can only include one or more layers inorganic material layer 254.
Optionally, a surface or two surfaces for base film 257 is provided with for 257 surface of rigidified substrate film
Hardening coat (hard coating).Hardening coat may include acrylic resin, to prevent base film 257 from being damaged by external force
Wound.
Optionally, a surface or two surfaces for base film 257 is provided with for weakening the first touch control electrode layer 271
The visible optical compensating layer of figure.The material of optical compensating layer may include niobium pentaoxide or silica.
Fig. 5 shows another embodiment of the laminated film of touch-control display panel in Fig. 3.
Laminated film 250B includes barrier layer 256, base film 257 and the first touch control electrode layer 271 in Fig. 5.Barrier layer
256 between base film 257 and display element (label 220 in Fig. 3).First touch control electrode layer 271 is located at base film
Between 257 and barrier layer 256.Base film 257 is as the lining formed in the making technologies such as the sputtering of barrier layer 256, evaporation, deposition
Bottom.
In the present embodiment, substrate of the base film 257 as the first touch control electrode layer 271 and barrier layer 256, can save
The slightly independent substrate of the first touch control electrode layer 271.Also, the first touch control electrode layer 271 is located at base film 257 and barrier layer
Between 256, the first touch control electrode layer 271 can protect not by damage.
In the present embodiment, barrier layer 256 is alternately stacked and is formed by inorganic material layer 254 and organic material layer 255.It is inorganic
The material of material layer 254 and organic material layer 255 can be similar with embodiment illustrated in fig. 4.Optionally, one of base film 257
Surface or two surfaces are additionally provided with for the hardening coat on 257 surface of rigidified substrate film and/or for weakening the first touch-control
The visible optical compensating layer of 271 figure of electrode layer.
Fig. 6 shows another embodiment of the laminated film of touch-control display panel in Fig. 3.
Laminated film 250C includes barrier layer 256, base film 257 and the first touch control electrode layer 271 in Fig. 6.Barrier layer
256 between base film 257 and display element (label 220 in Fig. 3).First touch control electrode layer 271 is located at barrier layer 256
Between display element (label 220 in Fig. 3).Base film 257, which is used as, forms the processing procedures such as the sputtering of barrier layer 256, evaporation, deposition
Substrate in technique.
In the present embodiment, substrate of the base film 257 as the first touch control electrode layer 271 and barrier layer 256, can save
The slightly independent substrate of the first touch control electrode layer 271.Also, the first touch control electrode layer 271 can making technology on barrier layer 256 it is complete
At rear carry out processing procedure, the complexity of laminated film 250C manufacturing process is reduced.
Similarly, in the present embodiment, barrier layer 256 is alternately stacked shape by inorganic material layer 254 and organic material layer 255
At.The material of inorganic material layer 254 and organic material layer 255 can be similar with embodiment illustrated in fig. 4.Optionally, base film 257
A surface or two surfaces be additionally provided with for the hardening coat on 257 surface of rigidified substrate film and/or for weakening the
The visible optical compensating layer of one touch control electrode layer, 271 figure.
Fig. 7 shows the further embodiment of the laminated film of touch-control display panel in Fig. 3.
Laminated film 250D includes barrier layer 256, base film 257 and the first touch control electrode layer 271 in Fig. 7.Barrier layer
256 between base film 257 and display element (label 220 in Fig. 3).First touch control electrode layer 271 is located at multilayer barrier
It is any between two layers in layer 256.Base film 257 is as the substrate in the making technologies such as the sputtering of barrier layer 256, evaporation, deposition.
In the present embodiment, substrate of the base film 257 as the first touch control electrode layer 271 and barrier layer 256, can save
The slightly independent substrate of the first touch control electrode layer 271.Also, the first touch control electrode layer 271 is located at any two in barrier 256
Between layer, intrusion of the water oxygen to the first touch control electrode layer 271 can be further prevented.
Similarly, in the present embodiment, barrier layer 256 is alternately stacked shape by inorganic material layer 254 and organic material layer 255
At.The material of inorganic material layer 254 and organic material layer 255 can be similar with embodiment illustrated in fig. 4.Optionally, base film 257
A surface or two surfaces be additionally provided with for the hardening coat on 257 surface of rigidified substrate film and/or for weakening the
The visible optical compensating layer of one touch control electrode layer, 271 figure.
Above-mentioned Fig. 4 to Fig. 7 is only the multiple embodiments for schematically showing laminated film, the present invention not as
Limit, for example, the quantity and layered relationship of inorganic material layer 254 and organic material layer 255 can be configured according to actual demand.This
More change case may be implemented in field technical staff, and it will not be described here.
Fig. 8 and Fig. 9 is combined to illustrate multiple embodiments of optical thin film provided by the invention separately below.
Fig. 8 shows one embodiment of the optical thin film of touch-control display panel in Fig. 3.
Optical thin film 260A includes 1/4 phase difference film 261, second touch control electrode layer 272 and line polarisation piece 262 in Fig. 8.1/
4 phase difference films 261 are located between line polarisation piece 262 and laminated film (Fig. 3 label 250).Second touch control electrode layer 272 is located at 1/
Between 4 phase difference films 261 and line polarisation piece 262.Second touch control electrode layer 272 is located at 1/4 phase difference film 261 and line polarisation piece
Setting between 262 enables second touch control electrode layer 272 preferably to be protected, and then improves touch-control performance.
1/4 phase difference film 261 and line polarisation piece 262 form circular polarizing disk, and then filter environment light in touch-control display panel
Reflection.Specifically, environment light emission, which enters the phase difference film of line polarisation piece 262 and 1/4 261, forms circular polarizing disk formation circular polarization
Light, and opposite-handed circularly polarized light is formed via the metal layer reflection in touch-control display panel, and then by 1/4 phase difference film
261 and line polarisation piece 262 form circular polarizing disk filtering.
Optionally, optical thin film 260A further includes adhesive-layer 240.Adhesive-layer 240 is located at second touch control electrode layer 272 and line
Between polaroid 262.In some change case, adhesive-layer 240 can also be located at the phase difference of second touch control electrode layer 272 and 1/4
Between film 261.In other change case, adhesive-layer 240 can be located at second touch control electrode layer 272 and line polarisation piece 262 it
Between between the phase difference film of second touch control electrode layer 272 and 1/4 261.Adhesive-layer 240 can be pressure sensitive adhesive (pressure
Sensitive adhesive, PSA) or other kinds of viscose glue.
Fig. 9 shows another embodiment of the optical thin film of touch-control display panel in Fig. 3.
Optical thin film 260B is similar with optical thin film 260A shown in Fig. 8 in Fig. 9, also includes 1/4 phase difference film 261, second
Touch control electrode layer 272 and line polarisation piece 262.1/4 phase difference film 261 is located at line polarisation piece 262 and laminated film (Fig. 3 label
250) between.Second touch control electrode layer 272 is between 1/4 phase difference film 261 and line polarisation piece 262.
Unlike optical thin film 260A shown in Fig. 8,1/4 phase difference film 261 in Fig. 9 is 1/4 phase of liquid crystal coating type
Potential difference film.Specifically, having liquid crystal material in 1/4 phase difference film 261 of liquid crystal coating type, optical thin film 260B can also include
The planarization layer 263 between the phase difference film of second touch control electrode layer 272 and 1/4 261.Planarization layer 263 makes the second touch-control
Electrode layer 272 can be formed on flat surface.In addition, the thickness of 1/4 phase difference film 261 of liquid crystal coating type is much smaller than tension type
Phase difference film is more advantageous to touch-control display panel bending and flexibility, moreover it is possible to realize the slimming of touch-control display panel.
Figure 10 to Figure 12 is combined to illustrate multiple embodiments of touch-control display panel provided by the invention separately below.
Figure 10 shows the schematic diagram of touch-control display panel according to an embodiment of the invention.
In Figure 10, the stepped construction of touch-control display panel 300 can be similar with touch-control display panel shown in Fig. 3.It is touching
It controls in display panel 300, multiple first touch control electrodes 371 of the first touch control electrode layer are arranged by X-direction (i.e. first direction), and
Extend along Y-direction (i.e. second direction, perpendicular to X-direction).Multiple second touch control electrodes 372 of second touch control electrode layer press the side Y
Extend to arrangement, and in X direction.Multiple first touch control electrodes 371 and multiple second touch control electrodes 372 are in touch-control display panel
Form multiple overlapping regions on 300 projecting direction, multiple overlapping region can be used for detecting touch-control and whether occur and touch-control
The position of generation.
In the present embodiment, the first touch control electrode layer where multiple first touch control electrodes 371 and multiple second touch-controls electricity
Second touch control electrode layer where pole 372 is separately connected different printed circuit boards.For example, multiple first touch control electrodes 371 connect
Printed circuit board 301 is connect, multiple second touch control electrodes 372 connect printed circuit board 302.Printed circuit board 301 and printed circuit
Plate 302 can be located on different layers.
In the present embodiment, since the first touch control electrode 371 and second touch control electrode 372 connect different printed circuits
Therefore plate may not need to each stepped construction setting via hole to connect the first touch control electrode 371 and second touch control electrode 372
To same layer, simplify making technology.
Figure 11 shows the schematic diagram of touch-control display panel according to another embodiment of the present invention.
In Figure 11, the stepped construction of touch-control display panel 400 can be similar with touch-control display panel shown in Fig. 3.It is touching
It controls in display panel 400, multiple first touch control electrodes 471 of the first touch control electrode layer are arranged by X-direction (i.e. first direction), and
Extend along Y-direction (i.e. second direction, perpendicular to X-direction).Multiple second touch control electrodes 472 of second touch control electrode layer press the side Y
Extend to arrangement, and in X direction.In the present embodiment, the first touch control electrode layer where multiple first touch control electrodes 471 and more
Second touch control electrode layer where a second touch control electrode 472 connects same printed circuit board 401.Printed circuit board 401 is optional
Ground is located on laminated film (Fig. 3-250) or first substrate (Fig. 3-210).
Specifically, in the present embodiment, the first touch control electrode layer where multiple first touch control electrodes 471 connects by first
Pad 403 is connect to connect with printed circuit board 401.Multiple 472 place second touch control electrode layers of second touch control electrode connect by second
Pad 404 is connect with printed circuit board 401.First connects pad 403 and the second connection pad 404 and printed circuit board 401
In on same layer.For example, when printed circuit board 401 is located on first substrate (Fig. 3-210), the first connection pad 403 and second
Connection pad 404 also is located on first substrate (Fig. 3-210).First touch control electrode 471 and second touch control electrode 472 by its with
The via hole in each stepped construction between first substrate (Fig. 3-210) is respectively connected to the first connection pad 403 and the second connection
Pad 404.In some change case, touch control electrode and connection pad can also be connected by way of silver paste.Having one
In a little change case, when only having one layer of adhesive-layer between the first touch control electrode 471 and second touch control electrode 472, it can also pass through
Gold goal in adhesive-layer is set to realize touch control electrode and connect the connection of pad.Further, in the present embodiment, first
Connection pad 403 and the second connection pad 404 are located at the side of multiple first touch control electrodes 471 in the Y direction.Printed circuit board
401 also are located at the side of multiple first touch control electrodes 471 in the Y direction, and the first connection pad 403 is located at multiple first touch-control electricity
Between pole 471 and printed circuit board 401.
In this present embodiment, multiple first touch control electrodes 471 and multiple second touch control electrodes 472 are connected to same printing
Circuit board 401 simplifies cost to reduce the device of touch-control display panel 400.
Figure 12 shows the schematic diagram of the touch-control display panel of another embodiment according to the present invention.
In Figure 12, the stepped construction of touch-control display panel 500 can be similar with touch-control display panel shown in Fig. 3.It is touching
It controls in display panel 500, shown in the arrangement mode and Figure 11 of multiple first touch control electrodes 571 and multiple second touch control electrodes 572
Touch-control display panel 400 is identical.And the first touch control electrode layer and multiple second touch-controls electricity where multiple first touch control electrodes 571
Second touch control electrode layer where pole 572 also connects same printed circuit board 501.
Unlike touch-control display panel 400 shown in Figure 11, for connecting multiple first touch control electrodes 571 and printing electricity
First connection pad 503 of road plate 501 is located at side of first touch control electrode 571 in the Y direction in (i.e. second direction).For even
The the second connection pad 504 for connecing multiple second touch control electrodes 572 and printed circuit board 501 is located at second touch control electrode 572 in the side X
Side on (i.e. first direction).
In this present embodiment, multiple first touch control electrodes 571 and multiple second touch control electrodes 572 are connected to same printing
Circuit board 501 simplifies cost to reduce the device of touch-control display panel 500.And in the present embodiment, the second connection pad 504
With more arrangement spaces.
Above-mentioned each attached drawing is only to schematically show touch-control display panel provided by the invention.For the sake of clarity,
Simplify component shape, number of elements and the clipped element in above-mentioned each figure, those skilled in the art can be according to practical need
It asks and is changed, these variations are all within the scope of the present invention, and it will not be described here.
According to another aspect of the invention, a kind of touch control display apparatus including above-mentioned touch-control display panel is also provided.Touching
Control display device is desirably integrated into smart phone, intelligent wearable device, tablet computer or other electronic devices.
Below by two comparative examples, technical effect of the invention is described.
Comparative example 1: touch-control display panel includes first substrate, the display element on first substrate, line polarisation piece position
In side of the display element far from first substrate, quarter-wave plate is between line polarisation piece and display element, touch-control film
Between line polarisation piece and quarter-wave plate, touch-control film includes the first touch control electrode layer and second touch control electrode layer, with
And the insulating layer between the first touch control electrode layer and second touch control electrode layer.
Comparative example 2: touch-control display panel includes first substrate, the display element on first substrate, line polarisation piece position
In side of the display element far from first substrate, quarter-wave plate is between line polarisation piece and display element, the first touch-control
Electrode layer and second touch control electrode layer are located at two opposite surfaces of quarter-wave plate.
Following table embodies the present invention and draws hardly possible in touch control electrode with comparative example 1, comparative example 2 in practical processing procedure and use
Degree, electrode antireflective property, electrode protection effect and technology difficulty several respects Contrast on effect:
| Electrode anti-reflection effect | Electrode draws difficulty | Technology difficulty | Electrode protection | |
| The present invention | Preferably | Preferably | It is very good | It is very good |
| Comparative example 1 | Difference | Preferably | It is very good | It is very good |
| Comparative example 2 | Difference | Difference | It is poor | It is poor |
Wherein, technical effect is successively successively decreased by very good, preferable, general, poor, poor.
The present invention, which is drawn compared to comparative example 1 in electrode, has similar property on difficulty, technology difficulty and electrode protection
Can, but since the first touch control electrode and second touch control electrode of comparative example 1 are all set in quarter-wave plate and line polarisation piece
Between, thus electrode is very poor to the anti-reflection effect of external ambient light, the present invention ensure that lower electrode draw difficulty, compared with
There is good electrode anti-reflection effect on the basis of low technology difficulty and good electrode protection.Compared to comparative example
2 all have superior performance in all respects.
It can be seen that the present invention is better than comparative example 1 and comparative example 2 in complex art effect.
Compared with prior art, the present invention is by being integrated into the laminated film with barrier layer for the first touch control electrode layer
In, second touch control electrode layer is integrated into the optical thin film with 1/4 phase difference film, there is 1/4 phase difference film utilizing
Optical thin film, which is realized, reduces environment light while reflect in touch-control display panel, reduce for be arranged the first touch control electrode layer and
The substrate of second touch control electrode layer, and then realize the slimming of touch-control display panel.Technical solution of the present invention can also promote touching
The light transmission rate for controlling display panel, reduces the cost of touch-control display panel.In addition, when touch-control display panel is flexible display panels
When, the bending of touch-control display panel can also be improved.
It is particularly shown and described exemplary embodiments of the present invention above.It should be understood that the present invention is not limited to institute
Disclosed embodiment, on the contrary, it is intended to cover comprising various modifications within the scope of the appended claims and equivalent set
It changes.
Claims (17)
1. a kind of touch-control display panel characterized by comprising
First substrate；
Display element is located on the first substrate；
Laminated film is located on the display element, and the laminated film includes an at least barrier layer and the first touch control electrode layer,
First touch control electrode layer includes multiple first touch control electrodes, and the laminated film further includes base film, and described at least one
Between the base film and the display element, first touch control layer is located at the base film and described on barrier layer
Between at least one layer of barrier layer；And
Optical thin film is located on the laminated film, and the optical thin film includes 1/4 phase difference film and second touch control electrode layer,
The second touch control electrode layer is set on 1/4 phase difference film, the second touch control electrode layer and first touch-control electricity
Pole layer insulation, the second touch control electrode layer includes multiple second touch control electrodes, the optical thin film further include: line polarisation piece,
1/4 phase difference film is between the line polarisation piece and the laminated film, wherein the second touch control electrode layer is located at
Between 1/4 phase difference film and the line polarisation piece, so that first touch control electrode layer is integrated in laminated film,
It is integrated to the second touch control electrode layer in optical thin film,
Packaging film, the packaging film is between the display element and the laminated film；
Wherein, it between the packaging film and the laminated film, is respectively provided between the laminated film and the optical thin film
Adhesive-layer, first touch control electrode layer and the second touch control electrode layer are separately connected different printed circuit boards.
2. touch-control display panel as described in claim 1, which is characterized in that the barrier layer is barrier, described more
Layer barrier layer includes at least one layer of inorganic material layer.
3. touch-control display panel as claimed in claim 2, which is characterized in that the barrier further includes that at least one layer has
Machine material layer.
4. touch-control display panel as claimed in claim 3, which is characterized in that first touch control electrode layer is located at the multilayer
It is any between two layers in barrier layer.
5. touch-control display panel as described in claim 1, which is characterized in that a surface of the base film or two tables
Face is provided with the hardening coat for hardening the base film surface.
6. touch-control display panel according to claim 5, which is characterized in that the hardening coat includes acrylic resin.
7. touch-control display panel as described in claim 1, which is characterized in that a surface of the base film or two tables
Face is provided with for weakening the first visible optical compensating layer of touch control electrode layer pattern.
8. touch-control display panel as claimed in claim 7, which is characterized in that the optical compensating layer includes: niobium pentaoxide
Or silica.
9. touch-control display panel as described in claim 1, which is characterized in that the optical thin film further include:
Adhesive-layer, between the second touch control electrode layer and the line polarisation piece and/or positioned at the second touch control electrode
Between layer and 1/4 phase difference film.
10. touch-control display panel as described in claim 1, which is characterized in that 1/4 phase difference film is liquid crystal coating type 1/
4 phase difference films, the optical thin film further include:
Planarization layer, between the second touch control electrode layer and 1/4 phase difference film.
11. the touch-control display panel as described in claims 1 to 10 any one, which is characterized in that
The multiple first touch control electrode is arranged by first direction, and is extended in a second direction；
The multiple second touch control electrode is arranged by the second direction, and is extended along the first direction,
Wherein, the first direction is perpendicular to the second direction.
12. touch-control display panel as described in any one of claim 1 to 10, which is characterized in that first touch control electrode layer
Material with the second touch control electrode layer includes: metal or transparent metal oxide.
13. touch-control display panel as claimed in claim 12, which is characterized in that first touch control electrode layer is by metal grill
It is made, the second touch control electrode layer is made of transparent conductive material.
14. touch-control display panel as described in any one of claim 1 to 10, which is characterized in that the first substrate is array
Substrate, the array substrate include substrate, and the substrate is fabricated from a flexible material.
15. touch-control display panel as described in any one of claim 1 to 10, which is characterized in that
The packaging film includes at least one layer of inorganic layer and at least one layer of organic layer.
16. touch-control display panel as described in any one of claim 1 to 10, which is characterized in that the display element is OLED
Element.
17. a kind of touch control display apparatus, which is characterized in that including the described in any item touch-control display surfaces of such as claim 1 to 16
Plate.
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| CN107340922A (en) * | 2017-07-12 | 2017-11-10 | 业成科技（成都）有限公司 | Integrated touch control display |
| CN107359182B (en) * | 2017-07-25 | 2020-03-17 | 武汉华星光电半导体显示技术有限公司 | Manufacturing method of OLED display screen integrated with touch function |
| CN107728844A (en) * | 2017-10-18 | 2018-02-23 | 武汉华星光电半导体显示技术有限公司 | A kind of cover plate and display device of integrated polaroid and touch controllable function |
| CN109164935B (en) * | 2018-08-24 | 2022-07-19 | 敦泰电子有限公司 | Touch display panel, touch driving circuit and touch driving method |
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| CN105320314A (en) * | 2014-06-04 | 2016-02-10 | 宸盛光电有限公司 | Touch display device |
| CN105389049A (en) * | 2015-11-11 | 2016-03-09 | 京东方科技集团股份有限公司 | Touch OLED display device and method for manufacturing same |
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| CN105655501A (en) * | 2016-03-18 | 2016-06-08 | 张家港康得新光电材料有限公司 | Comprehensive functional membrane, manufacturing method thereof, and OLED display panel |
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| JP5234868B1 (en) * | 2011-12-28 | 2013-07-10 | 日本写真印刷株式会社 | Capacitive touch sensor with optical function |
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| CN105320314A (en) * | 2014-06-04 | 2016-02-10 | 宸盛光电有限公司 | Touch display device |
| CN105389049A (en) * | 2015-11-11 | 2016-03-09 | 京东方科技集团股份有限公司 | Touch OLED display device and method for manufacturing same |
| CN105589600A (en) * | 2015-12-29 | 2016-05-18 | 厦门天马微电子有限公司 | Touch display panel, touch display apparatus and touch detection method |
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