CN109917953A - A kind of display device and preparation method thereof - Google Patents
A kind of display device and preparation method thereof Download PDFInfo
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- CN109917953A CN109917953A CN201910088155.8A CN201910088155A CN109917953A CN 109917953 A CN109917953 A CN 109917953A CN 201910088155 A CN201910088155 A CN 201910088155A CN 109917953 A CN109917953 A CN 109917953A
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Abstract
This application discloses a kind of display devices and preparation method thereof, the display device includes: display panel, including the first side being disposed opposite to each other and second side, first side is provided with viewing area and non-display area, the non-display area is located at the non-display area, the non-display area includes the first non-display area and the second non-display area, and first non-display area is coplanar with the viewing area, second lateral bend of second non-display area from first non-display area to the display panel；Touch control layer, positioned at first side of the display panel；Wherein, first side of the display panel is provided with display binding pad and touch-control binding pad, and the display binding pad and touch-control binding pad are located at second non-display area, and are in the opposite sides of the viewing area.By the above-mentioned means, the application can reduce the probability being broken with the lead of the display binding pad or touch-control binding pad connection in bending region.
Description
Technical field
This application involves field of display technology, more particularly to a kind of display device and preparation method thereof.
Background technique
Display device with touch function is most simple at present, conveniently and a kind of widely applied interactive mode.
In general, the display device with touch function includes display panel and the touch control layer positioned at display panel side, wherein touching
It controls layer and touch function is provided, display panel provides display function.The side of display panel is typically provided with touch-control binding pad and shows
Show binding pad, touch control layer binds pad connection by multiple touch-control leads and touch-control, and display panel is by multiple display leads and shows
Show binding pad connection.
Summary of the invention
Present inventor has found that display panel includes viewing area and is located at around viewing area in chronic study procedure
Non-display area, at present in display device touch-control binding pad and display binding pad is set to the not set touch control layer of display panel
The non-display area of curving, and touch-control binding pad and display binding pad are in the same side of viewing area.The design method makes
There is stacked on top in touch-control lead and display lead, and then cause when binding pad is folded into the screen body back side, in curved
The tensile stress that the touch-control lead or display lead of bent areas outside are subject to is larger, is easy to happen fracture.
The application be can reduce and be shown mainly solving the technical problems that provide a kind of display device and preparation method thereof
The probability that binding pad or the lead of touch-control binding pad connection are broken in bending region.
In order to solve the above technical problems, the technical solution that the application uses is: a kind of display device is provided, it is described aobvious
Showing device includes: display panel, and including the first side being disposed opposite to each other and second side, first side is provided with viewing area and non-aobvious
Show area, the non-display area is located at the non-display area, and the non-display area includes that the first non-display area and second are non-display
Area, first non-display area are coplanar with the viewing area, second non-display area from first non-display area to
Second lateral bend of the display panel；Touch control layer, positioned at first side of the display panel；Wherein, the display surface
First side of plate is provided with display binding pad and touch-control binding pad, and the display binding pad and touch-control binding pad are located at
Second non-display area, and it is in the opposite sides of the viewing area.
In order to solve the above technical problems, another technical solution that the application uses is: providing a kind of system of display device
Preparation Method, the preparation method include: offer display panel, wherein the display panel include the first side for being disposed opposite to each other and
Second side, first side are provided with viewing area and non-display area, and the non-display area is located at the non-display area, described non-
Viewing area includes the first non-display area and the second non-display area, and first non-display area is coplanar with the viewing area, institute
State second lateral bend of second non-display area from first non-display area to the display panel；In the institute of the display panel
The first side setting display binding pad and touch-control binding pad are stated, the display binding pad and touch-control binding pad are located at described second
Non-display area, and it is in the opposite sides of the viewing area；Touch control layer is formed in first side of the display panel.
The beneficial effect of the application is: being in contrast to the prior art, display device provided herein includes aobvious
Show panel, display panel includes the first side and second side, and the first side is provided with viewing area and positioned at the non-aobvious of non-display area
Showing area, non-display area includes the first non-display area and the second non-display area, and the first non-display area is coplanar with viewing area, and second
It is non-that second lateral bend of the non-display area from the first non-display area to display panel, display binding pad and touch-control binding pad are located at second
Viewing area, and it is in the opposite sides of viewing area.Since display binding pad and touch-control binding pad are located at the opposite sides of viewing area,
The display lead of later period and display binding pad connection, the touch-control lead with touch-control binding pad connection, there is no up and down between each other
The problem of stacking；Touch-control compared with existing design mode, in bending areas outside in design method provided herein
Lead or the tensile stress that is subject to of display lead reduce, so as to reduce subsequent display lead or touch-control lead is broken
Probability.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.Wherein:
Fig. 1 is the structural schematic diagram of one embodiment of the application display device；
Fig. 2 is the structural schematic diagram of one embodiment of touch control layer in Fig. 1；
Fig. 3 is the structural schematic diagram of one embodiment of preparation method of the application display device.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, rather than whole embodiments.Based on this
Embodiment in application, those of ordinary skill in the art are obtained every other under the premise of not making creative labor
Embodiment shall fall in the protection scope of this application.
Referring to Fig. 1, Fig. 1 is the structural schematic diagram of one embodiment of the application display device, which includes aobvious
Show panel 10 and touch control layer 12.
Specifically, display panel 10 includes that the first side 100 being disposed opposite to each other and second side 102, the first side 100 are provided with aobvious
Show that area AA and non-display area BB, non-display area BB are located at the periphery of viewing area AA.Non-display area BB includes the first non-display area 20
With the second non-display area 22, the first non-display area 20 is coplanar with viewing area AA, and the second non-display area 22 from first is non-display
Area 20 is bent to second side 102 of display panel 10.Touch control layer 12 is located at the first side 100 of display panel 10.Wherein, in this reality
It applies in example, the first side 100 of display panel 10 is provided with display binding pad 104 and touch-control binding pad 106, display binding pad 104
It is located at the second non-display area 22 with touch-control binding pad 106, and is in the opposite sides of viewing area AA.
Above-mentioned design method makes the subsequent multiple display leads connecting with display binding pad 104, binds pad 106 with touch-control
The problem of multiple touch-control leads of connection, there is no stacked on top between each other, when display binding pad 104 and touch-control binding pad
106 when bending to second side 102 of display panel 1, relative to traditional design method, display lead provided herein and
Touch-control lead tensile stress suffered by bending region reduces, and occurs to break so as to reduce subsequent display lead or touch-control lead
The probability split.In addition, mode provided herein can also provide enough spaces for subsequent display lead or touch-control lead,
The probability that is stacked between display lead or touch-control lead itself is reduced, and then is further decreased and is shown and draw in bending region
The tensile stress excessive probability being broken when line or touch-control lead are bent.
In an application scenarios, please continue to refer to Fig. 1, the second non-display area 22 includes 220 peace of curve transition region
Row elongated area 222, the both ends in curve transition region 220 are connected with the first non-display area 20 and parallel elongated area 222 respectively,
Curve transition region 220 extends from the first non-display area 20 to the direction far from touch control layer 12, extends in parallel region 222 from bending
Transitional region 220 is to towards viewing area AA and the direction parallel with the first non-display area 20 extends, wherein display binding pad 104
It is located at touch-control binding pad 106 and extends in parallel region 222.Curve transition region 220 is arc, and the radian of arc can be according to reality
Border demand is set.Display binding pad 104 and touch-control binding pad 106 can be bent to display by mode by above-mentioned design
The back side (i.e. second side 102) of panel 10, so as to reduce the width of 1 frame of display device, and then can achieve narrow frame
Requirement.
In this example it is shown that panel 10 can be OLED display panel, Micro-OLED display panel etc..Display surface
The structure of plate 10 can be to be any in the prior art, for example, display panel 10 includes array substrate 103, in array substrate 103
It is provided with display binding pad 104 and touch-control binding pad 106.Certainly, in other embodiments, touch-control binding pad 106 may also set up
In other regions, for example, the marginal position etc. in touch control layer 12 can be set in touch-control binding pad 106, as long as guaranteeing touch-control binding
The orthographic projection of pad 106 and display binding pad 104 in array substrate 103 is located at the opposite sides of viewing area AA.Array base
Tft layer in plate 103 is connect by multiple display leads (not showing in Fig. 1) with display binding pad 104, and is shown and tied up
Determine pad 104 to be connected with one end of corresponding first flexible circuit board 108, the other end of the first flexible circuit board 108 and display are driven
Dynamic chip connection, display driver chip can control the display function of display device 1 by the first flexible circuit board 108
System.Touch control electrode (not showing in Fig. 1) in touch control layer 12 binds pad 106 by multiple touch-control leads (not showing in Fig. 1) and touch-control
Electrical connection, and touch-control binding pad 106 is connected with one end of corresponding second flexible circuit board 101, the second flexible circuit board 101
The other end is connect with touch chip, and touch chip determines that the touch location of user is believed by testing the capacitance variations of touch control electrode
Breath.
In addition, display panel 10 provided herein can also include other structures, for example, luminescent layer 105, encapsulated layer
107, substrate 109.Luminescent layer 105 is located at array substrate 103 close to 12 side of touch control layer, encapsulated layer 107 be located at luminescent layer 105 with
Between touch control layer 12, and wrap up luminescent layer 105.Encapsulated layer 107 can be any packing forms in the prior art, for example, film
Encapsulation, Frit- glass-encapsulated etc..Substrate 109 is located at array substrate 103 far from 12 side of touch control layer, in the present embodiment, substrate
109 be flexible substrate (for example, polyimides etc.).
Display device 1 provided herein is further elaborated from the angle of touch control layer 12 below.Referring to Fig. 2,
Fig. 2 is the structural schematic diagram of one embodiment of touch control layer in Fig. 1.Multiple touch areas 120 are provided in the touch control layer 12, each
Multiple touch control electrodes 1200 are provided in touch area 120.Wherein, between the touch control electrode 1200 of different touch areas 120 that
This is disconnected, and is also disconnected from each other between the touch control electrode 1200 in the same touch area 120.
In one embodiment, as shown in Fig. 2, touch control electrode 1200 includes the emission electrode A extended along first direction X
And the receiving electrode B that Y extends in a second direction, first direction X be perpendicular to second direction Y, touch control layer 12 along first direction X and
At least one direction in second direction Y is divided at least two (for example, 2,3,4 etc.) touch areas 120.With tradition
Mode is compared, by the design method of above-mentioned multiple touch areas 120, each touch control electrode 1200 and display panel 10 (for example,
The electrode of luminescent layer 105) between parasitic capacitance reduce, so as to reduce touch chip driving load.Preferably, touch-control
Layer 12 is divided at least two (for example, 2,3,4 etc.) touch areas 120 along first direction X and second direction Y.
Touch control layer 12 is divided into P touch area 120 along first direction X, and Y is divided into Q touch area to touch control layer 12 in a second direction
The value of 120, above-mentioned P and Q can be the same or different.In addition, in other embodiments, above-mentioned first direction X and second
Direction Y can also take nonparallel set-up mode with out of plumb, i.e. first direction X and second direction Y.
In another embodiment, in each touch area 120, what each emission electrode A was interconnected by M
First electrode block a composition, each receiving electrode B are made of the second electrode block b of N number of interconnection；M, N is positive integer；Its
In, touch area 120 is by N number of A and M receiving electrode B that Y extends in a second direction of the emission electrode extended along first direction X
Composition.The value of M and N can be 10-40 (for example, 10,20,30,40) etc..For single touch area 120, above-mentioned M
It may be the same or different with the value of N.For adjacent touch region 120, the first electrode in adjacent touch region 120
The number of block a may be the same or different；The number of the second electrode block b in adjacent touch region 120 can be identical, can also
With difference.Multiple first electrode block a can be in the gap of multiple second electrode block b, between multiple first electrode block a
It is connected, is directly electrically connected between multiple second electrode block b, to form single layer touch electrode structure by the first bridging part；When
So, in other embodiments, multiple first electrode block a can also form the double-deck touch electrode structure with multiple second electrode block b.
First electrode block a and the shape of second electrode block b may be the same or different, and first electrode block a and second electrode block b can
To be diamond shape, rectangular, round, oval etc..Certainly, in other embodiments, emission electrode A and receiving electrode B can also be with
It is an entire strip shaped electric poles.
The corresponding operating mode of the structure of touch control layer 12 can be self-tolerant in Fig. 2, or mutual capacitance type.When it is used
When self-tolerant operating mode, emission electrode A and receiving electrode B are used as induction channels, and touch chip passes through detection induction channels
Capacitance over the ground has unchanged to determine whether there is touch.When it uses mutual capacitance type operating mode, touch chip can
With input drive signal by column to emission electrode A, then the inductive signal of touch chip receiving electrode B line by line, touch chip are sentenced
Whether the mutual capacitance between disconnected emission electrode A and receiving electrode B changes to determine whether there is touch.
In yet another embodiment, referring to Fig. 2, display device 1 provided herein further include: Duo Ge
One end of one lead 30, first lead 30 is connect with emission electrode A, and the other end of first lead 30 is straight out of touch area 120
It connects and leads to touch-control binding area 106；One end of multiple second leads 32, the second lead 32 is connect with receiving electrode B, the second lead
32 other end directly leads out to touch-control out of touch area 120 and binds area 106.On first lead 30 and the second lead 32 be
State the touch-control lead referred in embodiment.Traditional touch-control that leads to first lead 30 and the second lead 32 binds area 106
Method is the other end of first lead 20 and the second lead 32 first to be extended to the edge of touch control layer 12, then again from its edge
It is connected to touch-control binding area 106.Compared with traditional approach, first lead 30 provided by the present application and the second lead 32 are from Touch Zone
It is directly led out in domain 120 to the mode in touch-control binding area 106, the width at 1 edge of display device can be reduced, to realize narrow frame
Technical support is provided.
In an application scenarios, referring to Fig. 2, the other end of first lead 30 and the second lead 32 is from Touch Zone
Directly led out in domain 120 to touch-control binding pad 106 when, need to avoid luminous zone, be had an impact to avoid to illumination effect.Work as hair
When to penetrate electrode A and receiving electrode B be nontransparent conductive material (for example, metal material etc.), first lead 30 is from emission electrode A's
Internal perhaps edge is drawn the second lead 32 and is drawn from the inside of receiving electrode B or edge, as long as first lead 30 and second
Lead 32 avoids luminous zone；For example, as shown in Fig. 2, first lead 30 is drawn from the inside of emission electrode A.Certainly, at it
In his application scenarios, emission electrode A and receiving electrode B can also be electrically conducting transparent material (for example, ITO etc.), at this time first lead
30 need to draw from the edge of emission electrode A, and the second lead 32 need to also be drawn from the edge of receiving electrode B, and 30 He of first lead
Second lead 32 need to avoid luminous zone；That is the first lead 30 in Fig. 2 need to be changed to draw from the edge of emission electrode A.
Referring to Fig. 3, Fig. 3 is the flow diagram of one embodiment of preparation method of the application display device.The preparation
Method includes:
S101: display panel is provided, wherein display panel includes the first side being disposed opposite to each other and second side, and the first side is set
It is equipped with viewing area and non-display area, non-display area is located at non-display area, and non-display area includes that the first non-display area and second are non-
Viewing area, the first non-display area are coplanar with viewing area, the second non-display area from the first non-display area to display panel
Two lateral bends.
Specifically, incorporated by reference to Fig. 1, formed display panel 10 mode can be it is any in the prior art, herein no longer in detail
It states.For example, above-mentioned steps S101 is specifically included: providing substrate 109；Array substrate 103 is formed in 109 side of substrate；In array
Substrate 103 forms luminescent layer 105 far from 109 side of substrate；Encapsulated layer is formed far from 109 side of substrate in array substrate 103
107, encapsulated layer 107 covers luminescent layer 105.
S102: in the first side of display panel setting display binding pad and touch-control binding pad, display binding pad and touch-control are tied up
Fixed pad is located at the second non-display area, and is in the opposite sides of viewing area.
Specifically, incorporated by reference to Fig. 1, in one embodiment, display binding pad 104 and touch-control binding pad 106 can positions
In in array substrate 103.The method for forming display binding pad 104 or touch-control binding pad 106 may is that first in array substrate 103
The binding face of upper display binding pad 104 to be formed or touch-control binding pad 106 carries out plasma cleaning and milled processed；Then exist
Binding face forms conductive silver glue, so far shows binding pad 104 or the touch-control binding formation of pad 106.
S103: touch control layer is formed in the first side of display panel.
Specifically, incorporated by reference to Fig. 1, in one embodiment, can display panel 10 encapsulated layer 107 far from array
103 side of substrate forms touch control layer 12.Incorporated by reference to Fig. 2, above-mentioned steps S103 is specifically included: touch control layer 12 to be formed is divided
Multiple touch areas 120 out；Touch control electrode 1200, the touch-control in different touch areas 120 are formed in each touch area 120
It is disconnected from each other between electrode 1200.The mode for forming touch control electrode 1200, which may is that, is initially formed electrically conducting transparent on encapsulated layer 107
Perhaps then nontransparent conductive material layer forms one layer in the electrically conducting transparent material layers or nontransparent conductive material layer to material layers
Photoresist；Development is exposed to the photoresist using mask plate；Electrically conducting transparent material layers or nontransparent are etched using etch process
Conductive material layer, to get rid of the region not covered by photoresist；Remove remaining photoresist.
In the present embodiment, display panel is bent before step S102, it in other embodiments, can also be upper
It states step S103 to be later bent at the both ends of substrate to the direction far from touch control layer, will show that binding portion and touch-control binding portion are curved
Song arrives the other side of touch control layer.
To sum up, being in contrast to the prior art, display device provided herein includes display panel, display
Panel includes the first side and second side, and the first side is provided with viewing area and the non-display area positioned at non-display area, non-display
Area includes the first non-display area and the second non-display area, and the first non-display area is coplanar with viewing area, the second non-display area from
First non-display area is to the second lateral bend of display panel, and display binding is padded and touch-control binding pad is located at the second non-display area, and
Opposite sides in viewing area.Since display binding pad and touch-control binding pad are located at the opposite sides of viewing area, display binding
The problem of stacked on top is not present in the lead of the lead and touch-control binding pad connection that pad connection between each other；With existing design mode
It compares, the drawing that the touch-control lead or display lead in bending areas outside in design method provided herein are subject to is answered
Power reduces, so as to reduce the probability that subsequent lead is broken.
The foregoing is merely presently filed embodiments, are not intended to limit the scope of the patents of the application, all to utilize this
Equivalent structure or equivalent flow shift made by application specification and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field similarly includes in the scope of patent protection of the application.
Claims (10)
1. a kind of display device, which is characterized in that the display device includes:
Display panel, including the first side being disposed opposite to each other and second side, first side is provided with viewing area and non-display area, institute
It states non-display area and is located at the non-display area, the non-display area includes the first non-display area and the second non-display area, described
First non-display area is coplanar with the viewing area, and second non-display area is from first non-display area to the display
Second lateral bend of panel；
Touch control layer, positioned at first side of the display panel；
Wherein, first side of the display panel is provided with display binding pad and touch-control binding pad, the display binding pad
It is located at second non-display area with touch-control binding pad, and is in the opposite sides of the viewing area.
2. display device according to claim 1, which is characterized in that second non-display area includes curve transition region
With parallel elongated area, the both ends in the curve transition region respectively with first non-display area and described extend in parallel region
Connection, the curve transition region extends from first non-display area to the direction far from the touch control layer, described to prolong in parallel
Stretch region from the curve transition region to towards the viewing area and the direction parallel with first non-display area extends,
In, the display binds pad and touch-control binding pad and extends in parallel region positioned at described.
3. display device according to claim 1, which is characterized in that
The display panel includes array substrate, and the display binding pad and touch-control binding are provided in the array substrate
Pad.
4. display device according to claim 1, which is characterized in that multiple touch areas are provided in the touch control layer,
Multiple touch control electrodes are provided in each touch area, the touch control electrode includes the emission electrode extended in a first direction
And the receiving electrode extended in a second direction, the first direction and the second direction are non-parallel.
5. display device according to claim 4, which is characterized in that the touch control layer is along the first direction and described
At least one direction in two directions is divided at least two touch areas.
6. display device according to claim 5, which is characterized in that
The touch control layer is divided at least two touch areas along the first direction and the second direction.
7. display device according to claim 4, which is characterized in that
In the touch area, the first electrode block that each described emission electrode is interconnected by M is formed, each institute
Receiving electrode is stated to be made of the second electrode block of N number of interconnection；M, N is positive integer；Wherein, the touch area is by N number of edge
The emission electrode and the M receiving electrode composition extended along the second direction that the first direction extends.
8. display device according to claim 4, which is characterized in that the display device further include:
Multiple first leads, one end of the first lead are connect with the emission electrode, the other end of the first lead from
It is directly led out in the touch area to the touch-control and binds area；
One end of multiple second leads, second lead is connect with the receiving electrode, the other end of second lead from
It is directly led out in the touch area to the touch-control and binds area.
9. a kind of preparation method of display device, which is characterized in that the preparation method includes:
There is provided display panel, wherein the display panel includes the first side being disposed opposite to each other and second side, the first side setting
There are viewing area and non-display area, the non-display area is located at the non-display area, and the non-display area includes first non-display
Area and the second non-display area, first non-display area are coplanar with the viewing area, and second non-display area is from described
Second lateral bend of first non-display area to the display panel；
In first side of display panel setting display binding pad and touch-control binding pad, display binding pad with it is described
Touch-control binding pad is located at second non-display area, and is in the opposite sides of the viewing area；
Touch control layer is formed in first side of the display panel.
10. preparation method according to claim 9, which is characterized in that first side in the display panel
Form touch control layer, comprising:
The touch control layer to be formed is marked off into multiple touch areas；
It is respectively formed touch control electrode in each touch area, wherein the touch control electrode in the different touch areas
Between be disconnected from each other.
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| CN201910088155.8A CN109917953B (en) | 2019-01-29 | 2019-01-29 | Display device and preparation method thereof |
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| CN114063823A (en) * | 2021-11-23 | 2022-02-18 | Oppo广东移动通信有限公司 | Display device |
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| CN108762562A (en) * | 2018-05-25 | 2018-11-06 | 京东方科技集团股份有限公司 | A kind of display base plate, display panel, touch control display apparatus and preparation method thereof |
| CN109188801A (en) * | 2018-09-26 | 2019-01-11 | 武汉天马微电子有限公司 | A kind of display panel and preparation method thereof |
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| WO2021088271A1 (en) * | 2019-11-08 | 2021-05-14 | 京东方科技集团股份有限公司 | Array substrate, fabrication method therefor, and display device |
| CN113099730A (en) * | 2019-11-08 | 2021-07-09 | 京东方科技集团股份有限公司 | Array substrate, manufacturing method thereof and display device |
| US11468832B2 (en) | 2019-11-08 | 2022-10-11 | Beijing Boe Technology Development Co., Ltd. | Array substrate and method for manufacturing same, display panel, and display device |
| US11893930B2 (en) | 2019-11-08 | 2024-02-06 | Boe Technology Group Co., Ltd. | Array substrate, display panel, and display device |
| CN114063823A (en) * | 2021-11-23 | 2022-02-18 | Oppo广东移动通信有限公司 | Display device |
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