CN103034366B - A kind of display base plate preparation method and black matrix, display base plate, display device - Google Patents
A kind of display base plate preparation method and black matrix, display base plate, display device Download PDFInfo
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- CN103034366B CN103034366B CN201210564216.1A CN201210564216A CN103034366B CN 103034366 B CN103034366 B CN 103034366B CN 201210564216 A CN201210564216 A CN 201210564216A CN 103034366 B CN103034366 B CN 103034366B
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Abstract
The invention discloses a kind of display base plate preparation method and black matrix, display base plate, display device, relate to Display Technique, the embodiment of the present invention is made black matrix by conductive material, and, laterally black matrix figure and longitudinal different layer of black matrix figure are arranged, and it is provided with color blocking layer between horizontal black matrix figure and longitudinal black matrix figure, and insulated by color blocking layer pattern, each horizontal black matrix figure or longitudinal black matrix figure constitute a touch control electrode, or horizontal black matrix figure or longitudinal black matrix figure that at least two is adjacent constitute a touch control electrode, therefore, need not be fabricated separately again touch control electrode, decrease technological process, repeatedly perform etching after it also avoid making color blocking, improve product yield.
Description
Technical field
The present invention relates to Display Technique, particularly relate to a kind of display base plate preparation method and black matrix, display base
Plate, display device.
Background technology
At present, when carrying out the making of Embedded Touch Screen, need to make touch control electrode inside color film, touch
Control electrode generally individually selects tin indium oxide common electrode, metal or both conductive layer.
The technique realizing Embedded Touch Screen in color film is usually in common color film BM(black matrix), R G B
Color blocking, PS(cylindrical spacer) etc. technique complete on the basis of, increase X, the system of Y-direction touch control electrode
Making, the material of touch control electrode is generally common electrode；And formed shared electrode patterns technique need to through overexposure,
Developing, etch, peel off, the color blocking formed in viewing area in Making programme length and etching is the most complete
The protection of common electrode layer, is vulnerable to the corrosion of etching liquid.Equally, if selection metal is as touch control electrode,
The most more complicated to the Making programme of touch control electrode.
Visible, make at present the technological process of touch control electrode complicated and to the anti-etching liquid chemical attack of color blocking
Ability has high requirements, and product yield is relatively low.
Summary of the invention
The embodiment of the present invention provides a kind of display base plate preparation method and black matrix, display base plate, display device,
To improve the efficiency and product yield making touch control electrode.
A kind of black matrix, including:
The horizontal black matrix figure made by conductive material and longitudinal black matrix figure, each horizontal black matrix figure
Shape or longitudinal black matrix figure constitute a touch control electrode, or the horizontal black matrix figure that at least two is adjacent
Or longitudinal direction black matrix figure constitutes a touch control electrode；And
Described horizontal black matrix figure and described longitudinal different layer of black matrix figure are arranged, and at horizontal black matrix figure
It is provided with color blocking layer between shape and longitudinal black matrix figure, and is insulated by described color blocking layer pattern.
A kind of display base plate, the black matrix provided including the embodiment of the present invention.
A kind of display device, the black matrix provided including the embodiment of the present invention.
A kind of display device, the display base plate provided including the embodiment of the present invention.
A kind of display base plate preparation method, including:
Horizontal black matrix figure or longitudinal black matrix figure is made by conductive material；
Insulating materials is utilized to make color blocking layer pattern；
Longitudinal black matrix figure or horizontal black matrix figure is made by conductive material；Wherein, each the most black
Matrix Pattern or longitudinal black matrix figure constitute a touch control electrode, or the horizontal black square that at least two is adjacent
System of battle formations shape or longitudinal black matrix figure constitute a touch control electrode；Described horizontal black matrix figure and longitudinally black square
System of battle formations shape is insulated by described color blocking layer pattern.
The embodiment of the present invention provides a kind of display base plate preparation method and black matrix, display base plate, display device,
Black matrix is made by conductive material, and, horizontal black matrix figure and longitudinal different layer of black matrix figure are arranged,
And be provided with color blocking layer between horizontal black matrix figure and longitudinal black matrix figure, and exhausted by color blocking layer pattern
Edge, each horizontal black matrix figure or longitudinal black matrix figure constitute a touch control electrode, or at least two
Adjacent horizontal black matrix figure or longitudinal black matrix figure constitute a touch control electrode, therefore, there is no need to again
Touch control electrode is fabricated separately, decreases technological process, repeatedly perform etching after it also avoid making color blocking, carry
High product yield.
Accompanying drawing explanation
The black matrix structural representation that Fig. 1 a provides for the embodiment of the present invention；
The horizontal black matrix that Fig. 1 b provides for the embodiment of the present invention and longitudinal black matrix overlap the sectional view at place；
The display substrate structure schematic diagram that Fig. 2 provides for the embodiment of the present invention；
The array base-plate structure schematic diagram that Fig. 3 provides for the embodiment of the present invention；
The display base plate preparation method flow chart that Fig. 4 provides for the embodiment of the present invention.
Detailed description of the invention
The embodiment of the present invention provides a kind of display base plate preparation method and black matrix, display base plate, display device,
Black matrix is made by conductive material, and, horizontal black matrix figure and longitudinal different layer of black matrix figure are arranged,
And be provided with color blocking layer between horizontal black matrix figure and longitudinal black matrix figure, and exhausted by color blocking layer pattern
Edge, each horizontal black matrix figure or longitudinal black matrix figure constitute a touch control electrode, or at least two
Adjacent horizontal black matrix figure or longitudinal black matrix figure constitute a touch control electrode, therefore, there is no need to again
Touch control electrode is fabricated separately, decreases technological process, repeatedly perform etching after it also avoid making color blocking, carry
High product yield.
As shown in Figure 1a with shown in Fig. 1 b, the embodiment of the present invention provide black matrix, including:
The horizontal black matrix figure 101 made by conductive material and longitudinal black matrix figure 102, each laterally
Black matrix figure 101 or longitudinal black matrix figure 102 constitute a touch control electrode, or at least two is adjacent
Horizontal black matrix figure 101 or longitudinal black matrix figure 102 constitute a touch control electrode；And
Laterally black matrix figure 101 and longitudinal different layer of black matrix figure 102 are arranged, and at horizontal black matrix figure
It is provided with color blocking layer between shape 101 and longitudinal black matrix figure 102, and is insulated by color blocking layer pattern 104.
Wherein, include, when each touch control electrode, the horizontal black matrix figure 101 or longitudinal that at least two is adjacent
During black matrix figure 102, each touch control electrode also includes: for connecting and composing each of this touch control electrode
Laterally black matrix figure 101 or the electrode tip 103 of longitudinal black matrix figure 102.
Wherein, horizontal black matrix figure 101 and the overlapping place of longitudinal black matrix figure 102 during Fig. 1 b is Fig. 1 a
Sectional view.
Owing to black matrix uses conductive material to make as touch control electrode, meanwhile, it is possible to, color blocking is set
Put between the black matrix of both direction, so that the black matrix mutually insulated of both direction, it is to avoid touch
The short circuit of control electrode.
For obtaining the suitable susceptibility of touch control electrode and precision, each touch control electrode can include multiple laterally
Black matrix figure or longitudinal black matrix figure, such as, as shown in Figure 1a, each touch control electrode includes three
Individual horizontal black matrix figure or longitudinal black matrix figure, when the picture fineness of display device is higher, each
In touch control electrode, the number of horizontal black matrix figure or longitudinal black matrix figure can be more, when display device
When picture fineness is relatively low, the horizontal black matrix figure in each touch control electrode or longitudinal black matrix figure number
Can be less.
Wherein, the material of horizontal black matrix figure and longitudinal black matrix figure can use doped with nano metal
The polymeric matrix of material；Or the polymer base doped with compound doping conductive material can also be used
Body；Or can directly use conductive polymer material, such as polyaniline, polypyrrole, polythiophene etc. to lead
Electric polymer and derivative thereof；The metal material with black matrix characteristic can also be used.
Generally, electrical-conductive nanometer metal generally adulterates with the form of conducting nanoparticles or electrical-conductive nanometer silk, therefore,
Conductiving doping has the polymeric matrix of nano metal material, usually receives doped with conducting nanoparticles or conduction
The polymeric matrix of rice silk.
And conducting nanoparticles or electrical-conductive nanometer silk are more excellent with the electric conductivity of Nano Silver, therefore, for further
Improve the electric conductivity of black matrix, it is possible to use doped with the polymeric matrix of nano silver particles as black matrix
Material.
Under normal circumstances, in the polymeric matrix doped with conducting nanoparticles or electrical-conductive nanometer silk, it is doping to
Dividing the 5% ~ 70% of the quality accounting for polymeric matrix, those skilled in the art can adjust flexibly according to actual conditions
Joint doping ratio.
Laterally black matrix figure and longitudinal different layer of black matrix figure are arranged, and in horizontal black matrix figure and longitudinal direction
It is provided with color blocking layer between black matrix figure, by the color blocking layer pattern insulation using insulating materials to make, specifically may be used
With by a kind of color blocking insulation, it is also possible to blocked edge by plurality of color, usual color blocking includes red color resistance, green look
Resistance and blue color blocking, now, horizontal black matrix figure and longitudinal black matrix figure are positioned at red color resistance, green
The both sides up and down of at least one the color blocking layer pattern in color blocking, blue color blocking, then horizontal black matrix figure is with vertical
At least one in red color resistance, green color blocking, blue color blocking it is provided with between black matrix figure.
When carrying out display base plate and making, horizontal black matrix figure or longitudinal black matrix figure can made
After, make at least one color blocking layer pattern, then make the black matrix figure of other direction, then make residue
Color blocking layer pattern.
The embodiment of the present invention also provides for a kind of display base plate, and the viewing area of this display base plate is provided with this
The black matrix that bright embodiment provides.
Wherein, this display base plate can be specially color membrane substrates.
Further, as in figure 2 it is shown, this color membrane substrates also includes:
Frame conducting resinl 105, is connected with touch control electrode 103, is used for connecting touch control electrode 103 and array base
Plate connects the touching signals line of touch-control drive integrated circult chip IC.
As it is shown on figure 3, in array base palte, including the touch-control letter of each touch control electrode of corresponding color membrane substrates
Number line 106, each touching signals line 106 connects touch-control and drives IC(IC chip) 107.Touch-control
Holding wire 106 may further include metal or common electrode (tin indium oxide) electrode and connect metal or
Common electrode (tin indium oxide) electrode drives the output line road that IC107 is connected with touch-control.In order to not with
For showing the output line road conflict of driving, the wiring driven for touch-control needs to divide the most therewith
Opening, therefore both typically connect up respectively at the two ends of display screen, i.e. display drives IC to drive with touch-control
Dynamic IC lays respectively at the both sides of screen.
Further, owing at periphery, generally being carried out shading by complete black matrix, and black matrix is as touch-control
After electrode, between horizontal black matrix figure and longitudinal black matrix figure, need insulation, in order to ensure horizontal black square
Light leak is there is not, as in figure 2 it is shown, also include in system of battle formations shape and longitudinal black matrix figure in the periphery of viewing area:
It is positioned at the lightproof area outside viewing area；This lightproof area is normally-black region 108 and/or the black glue of backlight
Region, is arranged on black matrix periphery, is used for preventing viewing area periphery light leak.
Generally, to display base plate based on normally black mode, the pixel electrode in normally-black viewing area and shared electricity
Voltage difference between pole is zero；
To display base plate based on normal white mode, between pixel electrode and the common electrode in normally-black viewing area
Voltage difference reach maximum.
Concrete, normally-black region is made up of, different the pixel (Dummy Pixel) being not involved in display
In display pattern, can realize by the way of different, be described as follows:
At IPS(In-Plane Switching, plane switching mode) etc. in plane electric fields display pattern, will
The pixel electrode (Pixel electrode) of dummy pixel turns on common electrode (Com electrode), i.e. in often
Black display；If the electric field not interfering with liquid crystal aligning exists, it is possible to is not provided with electrode and carries out electric field shielding.
In VA(Vertical Alignment, vertical orientation pattern) etc. in vertical electric field display pattern, all
It is not involved in the Pixel electrode connection of the pixel of display, and time in working order, connects off(closedown) state voltage；
If the electric field not interfering with liquid crystal aligning exists, it is possible to is not provided with electrode and carries out electric field shielding.
Show at TN(Twist nematic liquid display twisted nematic liquid crystal) the whitest pattern shown
In, by the Pixel electrode connection of all pixels being not involved in display, and time in working order, connection on(opens
Open) state voltage.
Further, frame conducting resinl can select black conductive glue, thus prevents the generation of light leak further.
For avoiding the flatness layer in color membrane substrates to hinder the connection between touch control electrode and conducting resinl, or share electricity
The touch control electrode that pole layer short circuit is different, can carry out figure system to flatness layer and/or common electrode layer further
Make so that flatness layer and/or common electrode layer dodge out touch control electrode and the portion of conducting resinl connection of black matrix
Position, has figuratum flatness layer and dodges out position that touch control electrode is connected with conducting resinl so that touch control electrode
With conducting resinl, there is sufficient space to be attached, and have figuratum common electrode layer and dodge out touch control electrode
The position connected with conducting resinl can avoid common electrode layer to contact appearance short circuit with touch control electrode or conducting resinl.
For ensureing at the common electrode at further black matrix electrode tip and the shaded effect of flatness layer opening part,
This color membrane substrates also includes: for the outer rim of shading, is arranged on by described horizontal black matrix figure and/or indulges
At the end of the touch control electrode constituted to black matrix figure, i.e. at the common electrode at black matrix electrode tip and smooth
Layer opening part.
The embodiment of the present invention also provides for a kind of display device, the black matrix provided including the embodiment of the present invention.
The embodiment of the present invention also provides for a kind of display device, the display base plate provided including the embodiment of the present invention.
The embodiment of the present invention also provides for a kind of display base plate preparation method, as shown in Figure 4, and including:
Step S401, made horizontal black matrix figure or longitudinal black matrix figure by conductive material；
Step S402, utilize insulating materials make color blocking layer pattern；
Step S403, made longitudinal black matrix figure or horizontal black matrix figure by conductive material, wherein,
Each horizontal black matrix figure or longitudinal black matrix figure constitute a touch control electrode, or at least two is adjacent
Horizontal black matrix figure or longitudinal black matrix figure constitute a touch control electrode, horizontal black matrix and the most black
Matrix is insulated by color blocking layer pattern.
In step S401, make the black matrix figure in a direction, in step S403, then make another
The black matrix figure in individual direction, i.e. in step S401, if making horizontal black matrix figure, then in step
Rapid S403 makes longitudinal black matrix figure, otherwise, in step S401, if making longitudinal black matrix figure
Shape, then make horizontal black matrix figure in step S403.
Further, this display base plate can be specially color membrane substrates, and now this preparation method also includes:
Step S404, color membrane substrates edge make frame conducting resinl, frame conducting resinl is connected with touch control electrode,
For connecting the touching signals line being connected touch-control driving IC in touch control electrode and array base palte.
Step S401-step S403 is the flow process in color membrane process, and step S404 is carried out when liquid crystal becomes box.
Wherein, the material of horizontal black matrix figure and longitudinal black matrix figure can use doped with nano metal
The polymeric matrix of material；Or the polymer base doped with compound doping conductive material can also be used
Body；Or can directly use conductive polymer material, such as polyaniline, polypyrrole, polythiophene etc. to lead
Electric polymer and derivative thereof；The metal material with black matrix characteristic can also be used.
Generally, electrical-conductive nanometer metal generally adulterates with the form of conducting nanoparticles or electrical-conductive nanometer silk, therefore,
Conductiving doping has the polymeric matrix of nano metal material, usually receives doped with conducting nanoparticles or conduction
The polymeric matrix of rice silk.
And conducting nanoparticles or electrical-conductive nanometer silk are more excellent with the electric conductivity of Nano Silver, therefore, for further
Improve the electric conductivity of black matrix, it is possible to use doped with the polymeric matrix of nano silver particles as black matrix
Material.
Under normal circumstances, in the polymeric matrix doped with conducting nanoparticles or electrical-conductive nanometer silk, it is doping to
Dividing the 5% ~ 70% of the quality accounting for polymeric matrix, those skilled in the art can adjust flexibly according to actual conditions
Joint doping ratio.
Laterally black matrix figure and longitudinal different layer of black matrix figure are arranged, and in horizontal black matrix figure and longitudinal direction
It is provided with color blocking layer between black matrix figure, color blocking layer pattern insulate, specifically can be insulated by a kind of color blocking,
Can also be blocked edge by plurality of color, usual color blocking includes red color resistance, green color blocking and blue color blocking, now,
In step S402, utilize insulating materials to make color blocking layer pattern, specifically include: utilize insulating materials successively
Make red color resistance, green color blocking and blue color blocking figure.Laterally black matrix figure and longitudinal black matrix figure
It is positioned at red color resistance, green color blocking, the both sides of blue color blocking.
Certainly, horizontal black matrix figure and longitudinal black matrix figure may be located on red color resistance, green color blocking,
At least one color blocking layer pattern both sides in blue color blocking.
So when carrying out color membrane substrates and making, horizontal black matrix figure or longitudinal black matrix figure can made
After shape, make at least one color blocking layer pattern, then make the black matrix figure of other direction, then make surplus
Remaining color blocking layer pattern.
Now, in step S402, utilize insulating materials to make color blocking layer pattern, specifically include:
Utilize that insulating materials makes in red color resistance, green color blocking and blue color blocking figure one or both；
After step S403, also include:
Insulating materials is utilized to make other color blocking layer figure in red color resistance, green color blocking and blue color blocking figure
Shape.
I.e., it is possible to after making red color resistance, green color blocking and blue color blocking layer pattern, by conductive material system
Make the black matrix of other direction；Or
After one or both in making red color resistance, green color blocking and blue color blocking layer pattern, by conduction
Material makes the black matrix of other direction, then makes in red color resistance, green color blocking and blue color blocking layer pattern
Other color blocking layer pattern.
It is also preferred that the left between step S402 and step S403, also include: carry out flatness layer and/or share
The making of electrode layer, wherein, flatness layer and/or common electrode layer have pattern, flatness layer and/or shared electricity
Pole layer dodges out the position that touch control electrode is connected with conducting resinl, has figuratum flatness layer and dodges out touch control electrode
The position that is connected with conducting resinl so that touch control electrode and conducting resinl have sufficient space is attached, and
Have figuratum common electrode layer to dodge out the position that touch control electrode is connected with conducting resinl and can avoid sharing electricity
Pole layer contacts appearance short circuit with touch control electrode or conducting resinl.
The embodiment of the present invention provides a kind of display base plate preparation method and black matrix, display base plate, display device,
Black matrix is made by conductive material, and, horizontal black matrix figure and longitudinal different layer of black matrix figure are arranged,
And be provided with color blocking layer between horizontal black matrix figure and longitudinal black matrix figure, and exhausted by color blocking layer pattern
Edge, each horizontal black matrix figure or longitudinal black matrix figure constitute a touch control electrode, or at least two
Adjacent horizontal black matrix figure or longitudinal black matrix figure constitute a touch control electrode, therefore, there is no need to again
Touch control electrode is fabricated separately, decreases technological process, repeatedly perform etching after it also avoid making color blocking, carry
High product yield.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know base
This creativeness concept, then can make other change and amendment to these embodiments.So, appended right is wanted
Ask and be intended to be construed to include preferred embodiment and fall into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification without deviating from this to the present invention
Bright spirit and scope.So, if the present invention these amendment and modification belong to the claims in the present invention and
Within the scope of its equivalent technologies, then the present invention is also intended to comprise these change and modification.
Claims (12)
1. a display base plate, it is characterised in that the viewing area of described display base plate is provided with black square
Battle array；
Described black matrix includes: the horizontal black matrix figure made by conductive material and longitudinal black matrix figure,
Horizontal black matrix figure or longitudinal black matrix figure that at least two is adjacent constitute a touch control electrode；Described horizontal stroke
Arrange to black matrix figure and described longitudinal different layer of black matrix figure, and at described horizontal black matrix figure with vertical
Between black matrix figure, it is provided with color blocking layer, and is insulated by described color blocking layer pattern；
Wherein, each touch control electrode also includes: for connecting and composing each horizontal black square of this touch control electrode
System of battle formations shape or the electrode tip of longitudinal black matrix figure；
Described display base plate also includes being positioned at the lightproof area outside described viewing area；
Described lightproof area is normally-black viewing area；
To display base plate based on normally black mode, the pixel electrode in described normally-black viewing area and common electrode
Between voltage difference be zero；
To display base plate based on normal white mode, the pixel electrode in described normally-black viewing area and common electrode
Between voltage difference reach maximum.
2. display base plate as claimed in claim 1, it is characterised in that described display base plate is color film base
Plate；This color membrane substrates also includes:
Frame conducting resinl, is connected with described touch control electrode, is used for connecting in described touch control electrode and array base palte
Connect the touching signals line of touch-control drive integrated circult chip IC.
3. display base plate as claimed in claim 2, it is characterised in that described frame conducting resinl is black
Conducting resinl.
4. display base plate as claimed in claim 2, it is characterised in that also include:
Have figuratum flatness layer and/or have figuratum common electrode layer, the figuratum flatness layer of described tool and
/ or have figuratum common electrode layer and described horizontal black matrix figure, longitudinal black matrix figure and described frame
Conducting resinl insulate.
5. display base plate as claimed in claim 1, it is characterised in that also include:
For the outer rim of shading, it is arranged on by described horizontal black matrix figure and/or longitudinal black matrix figure structure
At the end of the touch control electrode become.
6. a display device, it is characterised in that include the display base as described in claim 1-5 is arbitrary
Plate.
7. a display base plate preparation method, it is characterised in that including:
Horizontal black matrix figure or longitudinal black matrix figure is made by conductive material；
Insulating materials is utilized to make color blocking layer pattern；
Longitudinal black matrix figure or horizontal black matrix figure is made by conductive material；Wherein, at least two phase
Adjacent horizontal black matrix figure or longitudinal black matrix figure constitute a touch control electrode；Described horizontal black matrix figure
Shape and longitudinal black matrix figure are insulated by described color blocking layer pattern；
Wherein, each touch control electrode also includes: for connecting and composing each horizontal black square of this touch control electrode
System of battle formations shape or the electrode tip of longitudinal black matrix figure；
The method also includes making the lightproof area being positioned at outside viewing area；
Described lightproof area is normally-black viewing area；
To display base plate based on normally black mode, the pixel electrode in described normally-black viewing area and common electrode
Between voltage difference be zero；
To display base plate based on normal white mode, the pixel electrode in described normally-black viewing area and common electrode
Between voltage difference reach maximum.
8. method as claimed in claim 7, it is characterised in that described display base plate is color membrane substrates；
Described preparation method also includes:
Make frame conducting resinl at color membrane substrates edge, described frame conducting resinl is connected with described touch control electrode,
For the touch-control letter connecting described touch control electrode and be connected touch-control drive integrated circult chip IC in array base palte
Number line.
9. method as claimed in claim 8, it is characterised in that described horizontal black matrix figure and described
The material of longitudinal black matrix figure particularly as follows:
Polymeric matrix doped with nano metal material；Or
Polymeric matrix doped with compound doping conductive material；Or
Conductive polymer material；Or
Metal material.
10. method as claimed in claim 7, it is characterised in that described utilize insulating materials to make color blocking
Layer pattern, specifically includes:
Insulating materials is utilized to make red color resistance, green color blocking and blue color blocking figure successively.
11. methods as claimed in claim 7, it is characterised in that described utilize insulating materials make color blocking
Layer pattern, specifically includes: utilize insulating materials to make in red color resistance, green color blocking and blue color blocking figure
One or both；
After the described step being made longitudinal black matrix figure or horizontal black matrix figure by conductive material,
Also include: utilize insulating materials to make other color blocking in red color resistance, green color blocking and blue color blocking figure
Layer pattern.
12. methods as claimed in claim 7, it is characterised in that also include:
Carry out flatness layer and/or the making of common electrode layer；Described flatness layer and/or common electrode layer have figure
Case, described flatness layer and/or common electrode layer dodge out the position that touch control electrode is connected with conducting resinl.
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| CN103294322B (en) * | 2013-06-06 | 2017-07-07 | 敦泰电子有限公司 | Touch control display apparatus |
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| CN203133782U (en) * | 2012-12-21 | 2013-08-14 | 北京京东方光电科技有限公司 | Black matrix, displaying substrate and displaying device |
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