CN105138200B - Touch screen base plate and preparation method thereof, touch panel and display device - Google Patents
Touch screen base plate and preparation method thereof, touch panel and display device Download PDFInfo
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- CN105138200B CN105138200B CN201510553080.8A CN201510553080A CN105138200B CN 105138200 B CN105138200 B CN 105138200B CN 201510553080 A CN201510553080 A CN 201510553080A CN 105138200 B CN105138200 B CN 105138200B
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- substrate
- photoresist
- touch
- protective layer
- control electrode
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Abstract
This application discloses a kind of touch screen base plate and preparation method thereof, touch panel and display devices, including substrate, white photoresist, touch control electrode and touch control electrode lead, wherein, the touch control electrode and touch control electrode lead are set to the first surface of the substrate, the white photoresist is set to the edge of the second surface of the substrate, is used to form the white frame of barrier light.Since the different surfaces in substrate are arranged in white photoresist and touch control electrode lead, can occur the situation that breaks when marginal zone is climbed to avoid touch control electrode lead, effectively improve the yields and properties of product of touch-control product.
Description
Technical field
This application involves display technology field more particularly to a kind of touch screen base plate and preparation method thereof, touch panel and
Display device.
Background technology
Capacitive touch screen is widely used for mobile phone, the fields such as tablet at present.Traditional capacitance touch screen usually will
One layer of cover-plate glass and one layer of touch-control glass are but gradual in the market in touch-control with keen competition by the structure of optics glue laminating
It is required that touch screen is light, thin, cost effective, this traditional structure cannot meet these requirements, gradually by OGS (One Glass
) etc. Solution touch-control structures are substituted.OGS is encountered compared to the touch screen of traditional structure in terms of appearance currently on the market
Problem.Use white photoresist as frame material in OGS structures, but white photoresist currently on the market is not also overripened, adopts
Want to reach with the frame of white photoresist and reach identical optical density (Optical Density, OD) with black photoresist frame, needs
The white photoresist wanted will at least reach certain thickness.After white photoresist will reach certain thickness, frequently results in touch control electrode and draw
Line breaks when marginal zone is climbed, and fails so as to cause touch function.
Invention content
The embodiment of the present application provides a kind of touch screen base plate and preparation method thereof, touch panel and display device, can
Realize the lightening of touch panel and display device, production method is simple, and yield is high, at low cost, can solve to touch in substrate
Photoresist is thicker to cause contact conductor the problem of marginal zone is easy broken string.
The embodiment of the present application provides a kind of touch screen base plate, including substrate, white photoresist, touch control electrode and touch control electrode
Lead, wherein the touch control electrode and touch control electrode lead are set to the first surface of the substrate, and the white photoresist is set to
The edge of the second surface of the substrate is used to form the white frame of barrier light.
Optionally, further include the second protective layer of the second surface for being set to the substrate, the second protective layer covering
The second surface of the white photoresist and the substrate, and the one side far from the second substrate surface of second protective layer
Be formed as plane.
Optionally, further include the black photoresist for being set to the substrate first surface；The black resistance is in the substrate
Projection with it is described white photoresist overlapped in the projection of the substrate；Or the black resistance is fallen completely in the projection of the substrate
Enter projection of the white photoresist in the substrate；The thickness of the black photoresist is less than the thickness of the white photoresist.
Optionally, further include the first protective layer of the first surface for being set to the substrate, the first protective layer covering
The first surface of the touch control electrode, the touch control electrode lead, the black photoresist and the substrate, and first protection
Layer is formed as plane on one side far from the substrate first surface.
Optionally, ranging between 15 microns to 30 microns of the thickness of the white photoresist.
Optionally, the thickness of the black photoresist is less than 5 microns.
Optionally, the material of the touch control electrode lead be tin indium oxide, indium zinc oxide, graphene any one or it is more
The combination of kind；The material of first protective layer and/or the second protective layer is appointing for silica, silicon nitride or alumina material
It anticipates one or more combinations.
Correspondingly, the embodiment of the present application also provides a kind of touch panels, including itself ask the touch screen described in embodiment
Substrate, the touch screen base plate and an opposite substrate form external hanging touch panel；Alternatively, the touch screen base plate is set to one
On the upper substrate of display panel, OGS touch panels are formed with display panel.
Correspondingly, the embodiment of the present application also provides a kind of display devices, including the touch panel described in the present embodiment.
Correspondingly, the embodiment of the present application also provides a kind of preparation methods of above-mentioned touch screen base plate, including：
Touch control electrode and touch control electrode lead are set on the first surface of the substrate；
In the white photoresist of edge setting of the second surface of the substrate, it is used to form the white of barrier light
Frame.
Optionally, the method further includes that the second protective layer is arranged in the second surface of the substrate, is provided with described
The second protective layer covering white photoresist and the second surface, and the second table of the separate substrate of second protective layer
The one side in face forms plane.
Optionally, the method further includes that black photoresist is arranged in the first surface of the substrate；The black electricity is set
The projection hindered in the substrate is overlapped with the white photoresist in the projection of the substrate；Or the setting black resistance is described
The projection of substrate is surrounded by the white photoresist in the projection of the substrate；And the thickness of the black photoresist is set less than described
The thickness of white photoresist.
Optionally, the method further includes that the first protective layer is arranged in the first surface of the substrate, is provided with described
First protective layer cover the touch control electrode, the touch control electrode lead, the black photoresist and the substrate first surface,
And the one side far from the substrate first surface of first protective layer forms plane.
Above-mentioned touch screen base plate provided by the embodiments of the present application and preparation method thereof, touch panel and display device, due to
The different surfaces in substrate are arranged in white photoresist and touch control electrode lead, can be to avoid touch control electrode lead when marginal zone is climbed
There is broken string situation, can realize the lightening of touch panel and display device, production method is simple, and yield is high, at low cost.
Description of the drawings
Fig. 1 is the side structure schematic view of the touch screen base plate of the prior art；
Fig. 2 is the side structure schematic view of touch screen base plate provided by the embodiments of the present application；
Fig. 3 is the side structure schematic view of another touch screen base plate provided by the embodiments of the present application.
Specific implementation mode
Below in conjunction with the accompanying drawings, to touch screen base plate provided by the embodiments of the present application and preparation method thereof, touch panel and aobvious
The specific implementation mode of showing device is described in detail.
Touch screen base plate described herein refer to include underlay substrate, touch control electrode and insulating layer it is isostructural can be achieved
The substrate of touch function, the substrate can be the substrate that above structure is provided in external hanging type touch screen, or band touches
The display base plate of above structure is integrated in the display panel of function, i.e., the touch screen base plate can be independent touch screen base
Plate, or be integrated with the substrate such as display base plate etc. of other structures or function, the application is not construed as limiting this.
The shape size in each region does not reflect that the actual proportions of touch screen base plate, purpose are this schematically illustrate Shen in attached drawing
It please content.
As shown in Figure 1, in the touch screen base plate of the prior art, in order to which shield lights are to reach certain optical density, need
The white photoresist 102 at 101 edge of substrate will at least reach certain thickness.Touch control electrode lead 104 is caused to be climbed in marginal zone in this way
The case where breaking when slope, to generate the risk of touch function failure.
As shown in Fig. 2, a kind of touch screen base plate of the embodiment of the present application offer includes：Substrate 101, touches white photoresist 102 '
Control electrode 107 and touch control electrode lead 104, wherein touch control electrode 107 and touch control electrode lead 104 are set to the of substrate 101
One surface.White photoresist 102 ' is set to the edge of the second surface of substrate 101, forms the white frame of barrier light.
The first surface of substrate 101 wherein as shown in the figure is opposite with the second surface of substrate 101.So by white photoresist 102 ' and touch-control
The different surfaces in substrate 101 are arranged in contact conductor 104, can draw to avoid touch control electrode in the OGS structures of existing white frame
Line 104, because of white photoresist thickness blocked up the problem of breaking, effectively improves the touch screen of white frame when marginal zone is climbed
The yields and properties of product of substrate.
The material of substrate described herein includes but not limited to rigid substrates or flexible base board, such as copper-clad plate, paper substrate
Plate, glass fabric substrate, composite substrate (CEM series substrates), build-up multilayerboard substrate and special material substrate (ceramics, gold
Belong to core base etc.) etc..
Further, as shown in figure 3, being set to the second protective layer 105 of the second surface of the substrate 101, described
Two protective layers 105 cover the second surface of the white photoresist 102 ' and the substrate 101, and second protective layer 105
Be formed as plane on one side far from 101 second surface of the substrate.The second protective layer 105 is designed mainly for the protection of white photoresist
102 ', prevent white photoresist 102 ' from wearing.
Further, as shown in figure 3, being set to the black photoresist 106 of 101 first surface of the substrate；The black electricity
Resistance 106 is overlapped with the white photoresist 102 ' in the projection of the substrate 101 in the projection of the substrate 101；That is black photoresist
106 area is identical as the area of white photoresist 102 ', the face vertical with white 102 ' position of photoresist of black photoresist 106；Or institute
It states black resistance 106 and falls completely within projection of the white photoresist 102 ' in the substrate 101 in the projection of the substrate 101；
That is the area of black photoresist 106 is smaller than the area of white photoresist 102 '.And the thickness of the black photoresist 106 is less than described white
The thickness of coloured light resistance 102 '.It is also used for blocking light in first surface design black photoresist 106.Its effect is in same thickness
In the case of, black photoresist 106 is better than white photoresist 102 ' every light effect.Therefore the thickness of black photoresist 106 is commonly designed
Ground is smaller than white photoresist 102 '.The more functions of playing blocking light of the white photoresist 102 ' of second surface and covering at this time
Black photoresist forms the visual performance of white frame.
Further, ranging from 15 microns to 30 microns of the thickness of white photoresist 102 ' described in the embodiment of the present application it
Between.Such as 15 μm or 20 μm.The thickness of black photoresist described in the embodiment of the present application 106 is less than 5 μm, such as 5 μm or 3 μ
m。
Further, as shown in figure 3, being set to the first protective layer 103 of the first surface of the substrate 101, described
One protective layer 103 covers the touch control electrode 107, the touch control electrode lead 104, the black photoresist 102 and the substrate
101 first surface, and the one side far from 101 first surface of the substrate of first protective layer 103 forms plane.Design
First protective layer prevents touch control electrode lead 104 mainly for the protection of touch control electrode lead 104 and the black photoresist 106
And the abrasion of the black photoresist 106.
Further, the material of the touch control electrode lead 104 can be transparent conductive material, such as tin indium oxide
(ITO), the combination of any one or more in indium zinc oxide (IZO), graphene.First protective layer 103 and/or second
The material of protective layer 105 can be silica (SiO2), silicon nitride (SiNx) or aluminium oxide (Al2O3) any one or it is more
The combination of kind.
Further, the material identical of the material of first protective layer and second protective layer.Consequently facilitating reaching
It is simple for process, save the purpose of cost.
The embodiment of the present application also provides a kind of touch panels, including itself ask the touch screen base plate described in embodiment, institute
It states touch screen base plate and an opposite substrate forms external hanging touch panel；Alternatively, the touch screen base plate is set to a display surface
On the upper substrate of plate, OGS touch panels are formed with display panel.
Touch panel described herein can be the external hanging touch panel that can independently realize touch function, can also be
Display panel with touch function, the application are not construed as limiting this.Wherein, display panel includes but not limited to organic light-emitting diodes
Body (OLED) panel, Thin Film Transistor-LCD (TFT-LCD) panel, bistable state cholesterin liquid-crystal display, electrophoresis-type
Display (Electrophoresis Display, EPD), electrowetting display (Electrowetting Display,
The display panels such as EWD).
Correspondingly, the embodiment of the present application also provides a kind of display devices, and the embodiment of the present application also provides a kind of displays
Device, including the touch panel described in the present embodiment.Display device described herein includes but not limited to, liquid crystal display,
Any product or component with display function such as LCD TV, Digital Frame, mobile phone or tablet computer.
Correspondingly, the embodiment of the present application also provides a kind of preparation methods of above-mentioned touch screen base plate, including：
Touch control electrode 107 and touch control electrode lead 104 are set on the first surface of substrate 101；
In the white photoresist 102 ' of edge setting of the second surface of the substrate 101, it is used to form barrier light
The white frame 102 ' of line.
Further, the method further includes, and the second protective layer 105 is arranged in the second surface of the substrate 101, wherein
Second protective layer 105 is set and covers the white photoresist 102 ' and the second surface, and second protective layer 105
One side far from 101 second surface of the substrate forms plane.
Further, the method further includes that black photoresist 106 is arranged in the first surface of the substrate 101；It is described black
Color resistance 106 is overlapped with the white photoresist 102 ' in the projection of the substrate 101 in the projection of the substrate 101；Or it is described
Black resistance 106 falls completely within projection of the white photoresist 102 ' in the substrate 101 in the projection of the substrate 101；And
And the thickness of the black photoresist 106 is less than the thickness of the white photoresist 102 '.
Further, the method further includes, and the first protective layer 103 is arranged in the first surface of the substrate 101, wherein
First protective layer 103 is set and covers the touch control electrode 107, the touch control electrode lead 104, the black photoresist 106
It is formed with the one side far from 101 first surface of the substrate of the first surface of the substrate, and first protective layer 103 flat
Face.
Those skilled in the art can carry out the preparation method of the application various modification and variations without departing from this Shen
Spirit and scope please；The sequence of above-mentioned steps can be modified and be adjusted；The concrete technology of each step is carried out more
Change and adjusts.
Further, the embodiment of the present application also provides a kind of production method of any of the above-described kind of touch screen base plate, the systems
Include the following steps as method：
(1) white photoresist 102 ' is made on the second surface of the substrate 101；
(2) the second protective layer 105 is made on the white photoresist 102 ', second protective layer 105 can be protected white
Coloured light resistance is not scraped off, and particularly, the second protective layer 105 can also play the shadow effect that disappears；Second protective layer 105 ' can be with
For SiOxNy and other protection materials；
(3) black photoresist 106 is made in the first surface of the substrate 103, reaches enough with cooperation white photoresist 102 '
Optical density (Optical Density, OD)；
(4) touch control electrode lead 104 is made on the black photoresist 106, material can be tin indium oxide (Indium
Tin Oxide, ITO) or metal；
(5) the first protective layer 103 is made below the touch control electrode lead 104, first protective layer can be
SiOxNy and other dielectric materials.
Exposure, development, etching technics may be used in above-mentioned manufacturing process, can also use sputtering technology, the application is at this
There is no limit for aspect.
Obviously, those skilled in the art can carry out the application essence of the various modification and variations without departing from the application
God and range.For example, the application in current technical field for common black-and-white two color photoresist only to being illustrated and described.It is right
In other photoresists of those depth different colours, as long as it is with certain color contrast, and encounters the application and proposed
The technical issues of and make similar techniques scheme, belong in the range of the application claim and its equivalent technologies it
It is interior.Therefore, if these modifications and variations of the application belong within the scope of the application claim and its equivalent technologies, then
The application is also intended to include these modifications and variations.
Claims (10)
1. a kind of touch screen base plate, which is characterized in that including substrate, white photoresist, touch control electrode and touch control electrode lead,
In, the touch control electrode and touch control electrode lead are set to the first surface of the substrate, and the white photoresist is set to the base
The edge of the second surface of plate is used to form the white frame of barrier light；
The touch screen base plate further includes the black photoresist for being set to the substrate first surface；The black photoresist is in the base
The projection of plate is overlapped with the white photoresist in the projection of the substrate；Or the black photoresist is complete in the projection of the substrate
Fall into projection of the white photoresist in the substrate；The thickness of the black photoresist is less than the thickness of the white photoresist；
Ranging between 15 microns to 30 microns of thickness of the white photoresist.
2. touch screen base plate according to claim 1, which is characterized in that further include the second surface for being set to the substrate
The second protective layer, second protective layer covers the second surface of the white photoresist and the substrate, and described second protects
Sheath is formed as plane on one side far from the second substrate surface.
3. touch screen base plate according to claim 1, which is characterized in that further include the first surface for being set to the substrate
The first protective layer, first protective layer covers the touch control electrode, the touch control electrode lead, the black photoresist and institute
State the first surface of substrate, and first protective layer far from the substrate first surface is formed as plane on one side.
4. touch screen base plate according to claim 1, which is characterized in that the thickness of the black photoresist is less than 5 microns.
5. touch screen base plate according to claim 3, which is characterized in that the material of the touch control electrode lead is indium oxide
The combination of any one or more of tin, indium zinc oxide, graphene；The material of first protective layer and/or the second protective layer
For the combination of any one or more of silica, silicon nitride or alumina material.
6. a kind of touch panel, which is characterized in that described to touch including touch screen base plate as described in any one in claim 1-5
It touches panel substrate and an opposite substrate forms external hanging touch panel；Alternatively, the touch screen base plate is set to a display panel
On upper substrate, OGS touch panels are formed with display panel.
7. a kind of display device, which is characterized in that including touch panel as claimed in claim 6.
8. a kind of preparation method of touch screen base plate, which is characterized in that including：
Touch control electrode and touch control electrode lead are set on the first surface of the substrate；
In the white photoresist of edge setting of the second surface of the substrate, it is used to form the white frame of barrier light；
In the first surface of the substrate, black photoresist is set；Projection and the white light of the black resistance in the substrate
The projection hindered in the substrate overlaps；Or the black resistance falls completely within the white photoresist in institute in the projection of the substrate
State the projection of substrate；The thickness of the black photoresist is less than the thickness of the white photoresist；
Form ranging between 15 microns to 30 microns of the thickness of the white photoresist.
9. according to the method described in claim 8, it is characterized in that, further including：
In the second surface of the substrate, the second protective layer, the second protective layer covering white photoresist and the base are set
The second surface of plate, and the one side far from the second substrate surface of second protective layer forms plane.
10. according to the method described in claim 8, it is characterized in that, further including：
The first protective layer is set in the first surface of the substrate, is provided with first protective layer and covers the touch-control electricity
Pole, the touch control electrode lead, the black photoresist and the substrate first surface, and the separate institute of first protective layer
The one side for stating substrate first surface forms plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510553080.8A CN105138200B (en) | 2015-09-01 | 2015-09-01 | Touch screen base plate and preparation method thereof, touch panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510553080.8A CN105138200B (en) | 2015-09-01 | 2015-09-01 | Touch screen base plate and preparation method thereof, touch panel and display device |
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| CN105138200A CN105138200A (en) | 2015-12-09 |
| CN105138200B true CN105138200B (en) | 2018-11-09 |
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| CN201510553080.8A Expired - Fee Related CN105138200B (en) | 2015-09-01 | 2015-09-01 | Touch screen base plate and preparation method thereof, touch panel and display device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104714698A (en) * | 2015-04-09 | 2015-06-17 | 合肥鑫晟光电科技有限公司 | Touch substrate as well as production method thereof and touch display panel |
| CN105807994A (en) * | 2016-03-04 | 2016-07-27 | 京东方科技集团股份有限公司 | Rupture membrane and manufacturing method thereof, touch screen and display device |
| CN105760036A (en) * | 2016-04-08 | 2016-07-13 | 凯盛信息显示材料(黄山)有限公司 | Rear shadow elimination film-coating method of OGS capacitive touch screen |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104714698A (en) * | 2015-04-09 | 2015-06-17 | 合肥鑫晟光电科技有限公司 | Touch substrate as well as production method thereof and touch display panel |
| CN104750291A (en) * | 2013-12-27 | 2015-07-01 | 群创光电股份有限公司 | Display panel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201447668A (en) * | 2013-06-14 | 2014-12-16 | Wintek Corp | Decoration cover plate and touch panel having the same |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104750291A (en) * | 2013-12-27 | 2015-07-01 | 群创光电股份有限公司 | Display panel |
| CN104714698A (en) * | 2015-04-09 | 2015-06-17 | 合肥鑫晟光电科技有限公司 | Touch substrate as well as production method thereof and touch display panel |
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