CN106054443A - Color-film substrate, production method thereof, display panel and production method thereof - Google Patents
Color-film substrate, production method thereof, display panel and production method thereof Download PDFInfo
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- CN106054443A CN106054443A CN201610688673.XA CN201610688673A CN106054443A CN 106054443 A CN106054443 A CN 106054443A CN 201610688673 A CN201610688673 A CN 201610688673A CN 106054443 A CN106054443 A CN 106054443A
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- transmitance
- primary colours
- black matrix
- filter pattern
- transition
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
- G02F1/133516—Methods for their manufacture, e.g. printing, electro-deposition or photolithography
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
Abstract
The invention provides a color-film substrate, a production method thereof, a display panel and a production method thereof and relates to the technical field of display. The production method of the color-film substrate includes: sequentially forming a black matrix and a color filter layer on a substrate, to be more specific, using a first gradient-transmittance mask plate to form the black matrix with a wedge-shaped lateral side, wherein the gradient-transmittance part of the first gradient-transmittance mask plate corresponds to the to-be-formed lateral side of the black matrix; using a second gradient-transmittance mask plate, a third gradient-transmittance mask plate and a fourth gradient-transmittance mask plate to sequentially form a first base color filter pattern, a second base color filter pattern and a third base color filter pattern, wherein the gradient-transmittance parts of the gradient-transmittance mask plates correspond to the parts, in lap joint with the black matrix, of the to-be-formed base color filter patterns. The color-film substrate, the production method thereof, the display panel and the production method thereof have advantages that the uniformity of an orientation layer can be guaranteed, the thickness of a liquid crystal display can be reduced, and production cost can be lowered.
Description
Technical field
The present invention relates to Display Technique field, particularly relate to a kind of color membrane substrates and preparation method thereof, display floater and
Preparation method.
Background technology
Liquid crystal display (Liquid Crystal Display, be called for short LCD) has that fuselage is frivolous, power consumption is low, radiationless,
Service life the advantage such as length.
Liquid crystal display includes array base palte and color membrane substrates.Wherein, color membrane substrates includes for avoiding light leak and mixed light
BM (black matrix, black matrix) and chromatic filter layer, chromatic filter layer includes that the first primary colours filter pattern is the most red
Filter pattern, the second primary colours filter pattern such as green filter pattern, three primary colours filter pattern such as blue filter pattern.
Color membrane substrates of the prior art, as it is shown in figure 1, BM02 is formed on substrate 01, chromatic filter layer 03 passes through structure
Figure technique is formed on BM02, and first primary colours filter pattern the 31, second primary colours filter pattern 32 of chromatic filter layer 03 and
The position that three primary colours filter pattern 33 contacts with BM02 all can produce projection, and it is poor that those skilled in the art are referred to as angle section.
Owing to the existence of angle section difference can affect the uniformity of oriented layer 04 coating, and oriented layer 04 is unevenly coated and can cause liquid crystal molecule
Orientation confusion, causes display abnormal.
In order to solve the problems referred to above, those skilled in the art propose to increase by one layer of OC (Over on chromatic filter layer 03
Coating, coating protection) layer 50 floating angle section is poor.Wherein, the light shielding ability of BM02 is directly proportional to its thickness, at present batch
In the color membrane substrates produced, the thickness of BM02 is 1.2um, and its thickness cannot reduce further.And the thickness of OC layer 50 needs to reach
Poor to 1.5um ability floating angle section, so, add the thickness of liquid crystal display, improve production cost.
Summary of the invention
Embodiments of the invention provide a kind of color membrane substrates and preparation method thereof, display floater and preparation method thereof, can protect
The uniformity of card oriented layer, and the thickness of liquid crystal display can be reduced, reduce production cost.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that
First aspect, it is provided that the preparation method of a kind of color membrane substrates, is included on substrate and sequentially forms black matrix and colour
Filter layer, described chromatic filter layer includes the first primary colours filter pattern, the second primary colours filter pattern and three primary colours filter pattern；
Form described black matrix to include: using the first gradual change transmitance mask plate to form side is the black matrix of lozenges；Wherein, described
The transmitance transition of the first gradual change transmitance mask plate is corresponding with the side of described black matrix to be formed；Form described coloured silk
Color filtering optical layer includes: using the second gradual change transmitance mask plate to form described first primary colours filter pattern, wherein, described second gradually
Become the transmitance transition of transmitance mask plate and overlapping with described black matrix of described first primary colours filter pattern to be formed
Part corresponding；The 3rd gradual change transmitance mask plate is used to form described second primary colours filter pattern, wherein, described 3rd gradual change
Overlapping with described black matrix of the transmitance transition of transmitance mask plate and described second primary colours filter pattern to be formed
Part is corresponding；Using the 4th gradual change transmitance mask plate to form described three primary colours filter pattern, wherein, described 4th gradual change is saturating
Cross the transmitance transition of rate mask plate and the portion overlapped with described black matrix of described three primary colours filter pattern to be formed
Divide correspondence.
Preferably, form described black matrix, specifically include: on substrate, form black matrix thin film；First gradual change is passed through
Rate mask plate is placed in described black matrix film side；Wherein, described first gradual change transmitance mask plate include complete light transmission part,
Lightproof part and transmitance transition completely；Make described complete light transmission part corresponding with described transmitance transition
Described black matrix to be formed, makes described complete lightproof part other regions corresponding；Wherein, described complete light transmission part with treat
The projection over the substrate of the upper surface of formation black matrix is the most corresponding, described transmitance transition and black matrix to be formed
Side projection over the substrate the most corresponding；Contact with described complete light transmission part with described transmitance transition
Side is reference, and the transmitance of described transmitance transition is gradually lowered；Described black matrix thin film is exposed, after development
Form described black matrix.
It is further preferred that with side that any described transmitance transition contacts with described complete light transmission part for ginseng
Examining, the transmitance Changing Pattern of described transmitance transition is consistent.
Based on above-mentioned, it is preferred that form described first primary colours filter pattern, including: at the lining being formed with described black matrix
The first primary colours light filter film is formed at the end；Second gradual change transmitance mask plate is placed in described black matrix side, and described second gradually
Become transmitance mask plate and include complete light transmission part, complete lightproof part and transmitance transition；Make described the most saturating
Light part to be formed described first primary colours filter pattern corresponding with described transmitance transition, makes described complete light tight portion
Divide other regions corresponding；Wherein, the corresponding first primary colours filter pattern to be formed in described complete light transmission part not with described black matrix
The part of contact, the portion that the corresponding first primary colours filter pattern to be formed of described transmitance transition contacts with described black matrix
Point；With side that described transmitance transition contacts with described complete light transmission part as reference, described transmitance transition
Transmitance be gradually lowered；Described first primary colours light filter film is exposed, after development, forms described first primary colours optical filtering figure
Case.
Preferably, form described second primary colours filter pattern, including: on the substrate being formed with described black matrix, form the
Two primary colours light filter films；3rd gradual change transmitance mask plate is placed in described black matrix side, and described 3rd gradual change transmitance is covered
Template includes complete light transmission part, complete lightproof part and transmitance transition；Make described complete light transmission part and institute
State the corresponding described second primary colours filter pattern to be formed of transmitance transition, make described complete lightproof part corresponding other
Region；Wherein, the part that the corresponding second primary colours filter pattern to be formed in described complete light transmission part does not contacts with described black matrix,
The part that the corresponding second primary colours filter pattern to be formed of described transmitance transition contacts with described black matrix；Pass through with described
The side that rate transition contacts with described complete light transmission part is reference, and the transmitance of described transmitance transition gradually drops
Low；Described second primary colours light filter film is exposed, after development, forms described second primary colours filter pattern.
It is further preferred that form described three primary colours filter pattern, including: on the substrate being formed with described black matrix
Form three primary colours light filter film；4th gradual change transmitance mask plate is placed in described black matrix side, and described 4th gradual change is saturating
The rate mask plate of mistake includes complete light transmission part, complete lightproof part and transmitance transition；Make described complete transmittance section
Divide to be formed described three primary colours filter pattern corresponding with described transmitance transition, make described complete lightproof part pair
Should other regions；Wherein, the corresponding three primary colours filter pattern to be formed in described complete light transmission part does not contacts with described black matrix
Part, the part that the corresponding three primary colours filter pattern to be formed of described transmitance transition contacts with described black matrix；With
The side that described transmitance transition contacts with described complete light transmission part is reference, passing through of described transmitance transition
Rate is gradually lowered；Described three primary colours light filter film is exposed, after development, forms described three primary colours filter pattern.
Preferably, described method is additionally included in above chromatic filter layer formation OC layer, and the thickness of described OC layer is 0.5 ±
0.16um。
Second aspect, it is provided that the preparation method of a kind of display floater, described display floater includes color membrane substrates, described color film
Substrate is prepared by the method described in above-mentioned first aspect.
The third aspect, it is provided that a kind of color membrane substrates, including: substrate, arranges black matrix over the substrate and arranges
Chromatic filter layer above described black matrix, described chromatic filter layer includes that the first primary colours filter pattern, the second primary colours filter
Pattern and three primary colours filter pattern；The side of described black matrix is lozenges, and the close described substrate of described black matrix
The area of lower surface is more than the area of upper surface；Described first primary colours filter pattern, described second primary colours filter pattern and described
The upper surface of three primary colours filter pattern is smooth.
Preferably, the angle of inclination of the opposite flank of described black matrix is identical.
Based on above-mentioned, it is preferred that also include being arranged on formation OC layer, the thickness of described OC layer above described chromatic filter layer
It is 0.5 ± 0.16um.
Fourth aspect, it is provided that a kind of display floater, including color membrane substrates, described color membrane substrates is described in the above-mentioned third aspect
Color membrane substrates.
The embodiment of the present invention provides a kind of color membrane substrates and preparation method thereof, display floater and preparation method thereof, by adopting
With gradual change transmitance mask plate, the side of black matrix is formed as wedge-type shape, and makes colored filter by gradual change transmitance mask plate
First primary colours filter pattern of photosphere, the second primary colours filter pattern and three primary colours filter pattern respectively with black matrix lap-joint
Thickness is gradually incremented by mid portion by respective edge, makes at any lap position, and the thickness of black matrix is filtered with corresponding position
Gross thickness after light pattern thickness superposition, with filter pattern not with the consistency of thickness of black matrix lap-joint, the first primary colours can be made
The upper surface of filter pattern, the second primary colours filter pattern and three primary colours filter pattern is smooth.Based on this, hinge structure,
And then the thickness of liquid crystal display can be reduced without using OC layer that thickness is thicker to ensure the uniformity that oriented layer is coated with,
Reduce production cost.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
The structural representation of a kind of color membrane substrates that Fig. 1 provides for prior art；
The structural representation one of a kind of color membrane substrates that Fig. 2 provides for the embodiment of the present invention；
A kind of process schematic one preparing black matrix that Fig. 3 (a) provides for the embodiment of the present invention；
A kind of process schematic two preparing black matrix that Fig. 3 (b) provides for the embodiment of the present invention；
A kind of process schematic one preparing the first primary colours filter pattern that Fig. 4 (a) provides for the embodiment of the present invention；
A kind of process schematic two preparing the first primary colours filter pattern that Fig. 4 (b) provides for the embodiment of the present invention；
A kind of process schematic one preparing the second primary colours filter pattern that Fig. 5 (a) provides for the embodiment of the present invention；
A kind of process schematic two preparing the second primary colours filter pattern that Fig. 5 (b) provides for the embodiment of the present invention；
A kind of process schematic one preparing three primary colours filter pattern that Fig. 6 (a) provides for the embodiment of the present invention；
A kind of process schematic two preparing three primary colours filter pattern that Fig. 6 (b) provides for the embodiment of the present invention；
A kind of schematic flow sheet preparing black matrix that Fig. 7 provides for the embodiment of the present invention；
A kind of schematic flow sheet preparing the first primary colours filter layer that Fig. 8 provides for the embodiment of the present invention；
A kind of schematic flow sheet preparing the second primary colours filter layer that Fig. 9 provides for the embodiment of the present invention；
A kind of schematic flow sheet preparing three primary colours filter layer that Figure 10 provides for the embodiment of the present invention；
The structural representation two of a kind of color membrane substrates that Figure 11 provides for the embodiment of the present invention.
Reference:
01-substrate；02-black matrix；21-black matrix thin film；The side of 02a-black matrix；The upper surface of 02b-black matrix；
03-chromatic filter layer；04-oriented layer；10-the first gradual change transmitance mask plate；10a-transmitance transition；10b-is the most saturating
Light part；The complete lightproof part of 10d-；20-the second gradual change transmitance mask plate；30-the 3rd gradual change transmitance mask plate；31-
First primary colours filter pattern；32-the second primary colours filter pattern；33-three primary colours filter pattern；40-the 4th gradual change transmitance is covered
Template；50-OC layer.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
The embodiment of the present invention provides the preparation method of a kind of color membrane substrates, as in figure 2 it is shown, be included on substrate 01 shape successively
Becoming black matrix 02 and chromatic filter layer 03, chromatic filter layer 03 includes first primary colours filter pattern the 31, second primary colours filter pattern
32 and three primary colours filter pattern 33.
Concrete, as shown in Fig. 3 (a)-3 (b), form black matrix 02 and include: use the first gradual change transmitance mask plate 10
Form the black matrix 02 that side is lozenges；Wherein, the transmitance transition 10a of the first gradual change transmitance mask plate 10 with treat
The side 02a of the black matrix formed is corresponding.
Formation chromatic filter layer includes: as shown in Fig. 4 (a)-4 (b), uses the second gradual change transmitance mask plate 20 to form
One primary colours filter pattern 31, wherein, the transmitance transition 10a of the second gradual change transmitance mask plate 30 and the first base to be formed
The part with black matrix 02 overlap joint of color filter pattern 31 is corresponding；As shown in Fig. 5 (a)-5 (b), the 3rd gradual change transmitance is used to cover
Template 30 forms the second primary colours filter pattern 32, wherein, the transmitance transition 10a of the 3rd gradual change transmitance mask plate 30 with
The part with black matrix 02 overlap joint of the second primary colours filter pattern 32 to be formed is corresponding；As shown in Fig. 6 (a)-6 (b), use the 4th
Gradual change transmitance mask plate 40 forms three primary colours filter pattern 33, wherein, and the transmitance of the 4th gradual change transmitance mask plate 40
Transition 10a is corresponding with the part with black matrix 02 overlap joint of three primary colours filter pattern 33 to be formed.
It should be noted that the first, the first primary colours filter pattern the 31, second primary colours filter pattern 32 and three primary colours filter
The color of pattern 33 is different, as long as the color of three is three primary colours.
Wherein, the first primary colours, the second primary colours and three primary colours can be the most red, blue and green, such as, and the first primary colours
It is that yellow, three primary colours are for red for red, the second primary colours, naturally it is also possible to be other combinations.Or, the first primary colours, second
Primary colours and three primary colours can also cyan, magenta and yellow each other, such as, the first primary colours be cyan, the second primary colours for pinkish red, the
Three primary colours are yellow, naturally it is also possible to be other combinations.
Second, it will be understood by those skilled in the art that the side etched by gradual change transmitance mask plate is lozenges
Black matrix 02, it should be greater than the area of upper surface near the area of the lower surface of substrate 01.
3rd, for making the upper surface of chromatic filter layer 03 keep smooth, that etched by gradual change transmitance mask plate the
One primary colours filter pattern the 31, second primary colours filter pattern 32 and three primary colours filter pattern 33 are in the thickness with black matrix 02 lap-joint
Degree, is gradually incremented by mid portion by respective edge, makes at any lap position, and the thickness of black matrix 02 is filtered with corresponding position
Gross thickness after light pattern thickness superposition, with filter pattern not with the consistency of thickness of black matrix 02 lap-joint.
The preparation method of the color membrane substrates that the embodiment of the present invention provides, by using gradual change transmitance mask plate by black matrix
The side of 02 is formed as wedge-type shape, and is made the first primary colours filter pattern of chromatic filter layer 03 by gradual change transmitance mask plate
31, the second primary colours filter pattern 32 and three primary colours filter pattern 33 respectively with the thickness of black matrix 02 lap-joint by respective edge
Gradually being incremented by mid portion, make at any lap position, the thickness of black matrix 02 is folded with corresponding position filter pattern thickness
Gross thickness after adding, with filter pattern not with the consistency of thickness of black matrix 02 lap-joint, can make the first primary colours filter pattern 31,
The upper surface of the second primary colours filter pattern 32 and three primary colours filter pattern 33 is smooth.Based on this, hinge structure, can be without
Use the thicker OC layer of thickness to ensure the uniformity that oriented layer be coated with, and then the thickness of liquid crystal display can be reduced, reduce and give birth to
Produce cost.
Preferably, the material of black matrix 02 and chromatic filter layer 03 can be negative photosensitive resin material.So, each structure
Figure technique only needs film forming, exposes, develops, and just can form black matrix the 02, first primary colours filter pattern the 31, second primary colours optical filtering figure
Case 32 and three primary colours filter pattern 33.
Based on this, comprise the steps: as it is shown in fig. 7, form black matrix 02
S10, as shown in Fig. 3 (a), on substrate 01 formed black matrix thin film 21.
S11, as shown in Fig. 3 (b), the first gradual change transmitance mask plate 10 is placed in black matrix thin film 21 side；Wherein,
One gradual change transmitance mask plate 10 includes complete light transmission part 10b, complete lightproof part 10d and transmitance transition
10a。
S12, as shown in Fig. 3 (b), make complete light transmission part 10b to be formed black square corresponding with transmitance transition 10a
Battle array 02, makes complete lightproof part 10d other regions corresponding.
Wherein, complete light transmission part 10b and the upper surface 02b of black matrix to be formed projection on substrate 01 is the most right
Should, transmitance transition 10a and the side 02a of black matrix to be formed projection on substrate 01 is the most corresponding；With transmitance
The side that transition 10a and complete light transmission part 10b contacts is reference, and the transmitance of transmitance transition 10a gradually drops
Low.
S13, as shown in Fig. 3 (b), black matrix thin film 21 is exposed, after development, forms described black matrix 02.
It should be noted that first, as shown in Fig. 3 (b), connect with complete light transmission part 10b with transmitance transition 10a
The side touched is reference, the side contacted to transmitance transition 10a with complete lightproof part 10d along this side, transmitance
The transmitance of transition 10a is gradually lowered.
Second, complete region corresponding for lightproof part 10d is the region being not provided with black matrix 02.
The embodiment of the present invention is by using the first gradual change transmitance mask plate 10, it is only necessary to one time patterning processes just can form side
Face is the black matrix 02 of lozenges, and only needs film forming in a patterning processes, exposes, develops so that technique is the simplest
Change, thus production efficiency can be improved.
It is further preferred that as shown in Fig. 3 (b), connect with complete light transmission part 10b with any transmitance transition 10a
The side touched is reference, and the transmitance Changing Pattern of transmitance transition 10a is consistent.
The embodiment of the present invention is by making the Changing Pattern of the transmitance transition 10a of the first gradual change transmitance mask plate 10
Identical so that the size of the wedge shaped side of the black matrix 02 of formation is identical, so that for the mask plate forming filter pattern
Transmitance transition 10a also there is identical Changing Pattern, such that it is able to simplify manufacturing process, reduce fabrication error.
On the basis of the described black matrix 02 forming wedge shaped side, as shown in Figure 8, form the first primary colours filter pattern 31
Specifically include following steps:
S20, as shown in Fig. 4 (a), the substrate 01 be formed with black matrix 02 is formed the first primary colours light filter film 311.
S21, as shown in Fig. 4 (b), the second gradual change transmitance mask plate 20 is placed in black matrix 02 side.
Wherein, the second gradual change transmitance mask plate 20 includes complete light transmission part 10b, complete lightproof part too
10d and transmitance transition 10a.
S22, as shown in Fig. 4 (b), make complete light transmission part 10b corresponding with transmitance transition 10a to be formed first
Primary colours filter pattern 31, makes complete lightproof part 10d other regions corresponding.
Wherein, the portion that the corresponding first primary colours filter pattern 31 to be formed of complete light transmission part 10b does not contacts with black matrix 02
Point, the part that the corresponding first primary colours filter pattern 31 to be formed of transmitance transition 10a contacts with black matrix 02；With transmitance
The side that transition 10a and complete light transmission part 10b contacts is reference, and the transmitance of transmitance transition 10a gradually drops
Low.
S23, as shown in Fig. 4 (b), the first primary colours light filter film 311 is exposed, formed after development first primary colours filter
Pattern 31.
It should be noted that first, as shown in Fig. 4 (b), connect with complete light transmission part 10b with transmitance transition 10a
The side touched is reference, the side contacted to transmitance transition 10a with complete lightproof part 10d along this side, transmitance
The transmitance of transition 10a is gradually lowered.
Wherein, the region that the first primary colours filter pattern 31 to be formed contacts with black matrix 02 can be divided into two contact areas,
First contact area contacts with the upper surface 02b of black matrix 02, and the second contact area contacts with the side 02a of black matrix 02.For
The upper surface making chromatic filter layer 03 keeps smooth, and in the first contact area, the thickness of the first primary colours filter pattern 31 should keep
Constant and thickness is less than the thickness of the first primary colours filter pattern 31 in the second contact area, i.e. corresponding with the first contact area
The transmitance of transmitance transition 10a should keep consistent, and transmitance is less than the transmitance corresponding with the second contact area gradually
Become the transmitance of part 10a.
Second, complete region corresponding for lightproof part 10d is the region being not provided with the first primary colours filter pattern 31.
The embodiment of the present invention is by using the second gradual change transmitance mask plate 20, it is only necessary to one time patterning processes just can be formed
The first primary colours filter pattern 31 that surface is smooth, and in a patterning processes, only need film forming, expose, develop so that work
Skill more simplifies, thus can improve production efficiency.
It is further preferred that as it is shown in figure 9, form the second primary colours filter pattern 32 to specifically include following steps:
S30, as shown in Fig. 5 (a), the substrate 01 be formed with black matrix 02 is formed the second primary colours light filter film 322.
S31, as shown in Fig. 5 (b), the 3rd gradual change transmitance mask plate 30 is placed in black matrix 02 side.
Wherein, the 3rd gradual change transmitance mask plate 30 includes complete light transmission part 10b, complete lightproof part too
10d and transmitance transition 10a.
S32, as shown in Fig. 5 (b), make complete light transmission part 10b corresponding with transmitance transition 10a to be formed second
Primary colours filter pattern 32, makes complete lightproof part 10d other regions corresponding.
Wherein, the portion that the corresponding second primary colours filter pattern 32 to be formed of complete light transmission part 10b does not contacts with black matrix 02
Point, the part that the corresponding second primary colours filter pattern 32 to be formed of transmitance transition 10a contacts with black matrix 02；With transmitance
The side that transition 10a and complete light transmission part 10b contacts is reference, and the transmitance of transmitance transition 10a gradually drops
Low.
S33, as shown in Fig. 5 (b), the second primary colours light filter film 322 is exposed, formed after development second primary colours filter
Pattern 32.
Herein, the principle forming the second primary colours filter pattern 32 is identical with the principle forming the first primary colours filter pattern 31,
Do not repeat them here.
The embodiment of the present invention is by using the 3rd gradual change transmitance mask plate 30, it is only necessary to one time patterning processes just can be formed
The second primary colours filter pattern 32 that surface is smooth, and in a patterning processes, only need film forming, expose, develop so that work
Skill more simplifies, thus can improve production efficiency.
It is further preferred that as shown in Figure 10, form three primary colours filter pattern 33 and specifically include following steps:
S40, as shown in Fig. 6 (a), the substrate 01 be formed with black matrix 02 forms three primary colours light filter film 333.
S41, as shown in Fig. 6 (b), the 4th gradual change transmitance mask plate 40 is placed in black matrix 02 side.
Wherein, the 4th gradual change transmitance mask plate 40 includes complete light transmission part 10b, complete lightproof part too
10d and transmitance transition 10a.
S42, as shown in Fig. 6 (b), make complete light transmission part 10b the corresponding with transmitance transition 10a the to be formed 3rd
Primary colours filter pattern 33, makes complete lightproof part 10d other regions corresponding.
Wherein, the portion that the corresponding three primary colours filter pattern 33 to be formed of complete light transmission part 10b does not contacts with black matrix 02
Point, the part that the corresponding three primary colours filter pattern 33 to be formed of transmitance transition 10a contacts with black matrix 02；With transmitance
The side that transition 10a and complete light transmission part 10b contacts is reference, and the transmitance of transmitance transition 10a gradually drops
Low.
S43, as shown in Fig. 6 (b), three primary colours light filter film 333 is exposed, formed after development three primary colours filter
Pattern 33.
Herein, form the principle of three primary colours filter pattern 33 with form the first primary colours filter pattern 31 away from identical,
Do not repeat them here.
The embodiment of the present invention is by using the 4th gradual change transmitance mask plate 40, it is only necessary to one time patterning processes just can be formed
The three primary colours filter pattern 33 that surface is smooth, and in a patterning processes, only need film forming, expose, develop so that work
Skill more simplifies, thus can improve production efficiency.
It is further preferred that above-mentioned second gradual change transmitance mask plate the 20, the 3rd gradual change transmitance mask plate 30 and the 4th
Gradual change transmitance mask plate 40 can be same mask plate, when forming the filter pattern of different base colors, only need to move in parallel
Mask plate.
Preferably, as shown in figure 11, described preparation method also includes: form OC layer 50, OC above chromatic filter layer 03
The thickness of layer 50 is 0.5 ± 0.16um.
Wherein, in all embodiments of the invention, substrate 01 forms black matrix thin film the 21, first primary colours light filter film
311, the second primary colours light filter film 322, three primary colours light filter film 333 and form OC layer 50 etc. above chromatic filter layer 03
In description, the formation of indication can be deposition, coating etc., does not limits at this.
The embodiment of the present invention, by forming the OC layer 50 of layer on the surface of chromatic filter layer 03, can be avoided because of system
Make to there is gap between first primary colours filter pattern the 31, second primary colours filter pattern 32, three primary colours filter pattern 33 as error
Time, affect the uniformity of oriented layer coating.
The embodiment of the present invention also provides for the preparation method of a kind of display floater, and described display floater includes color membrane substrates, should
Color membrane substrates is prepared by above-mentioned preparation method.
The preparation method of display floater that the embodiment of the present invention provides, during color membrane substrates in preparing display floater, logical
Cross employing gradual change transmitance mask plate and the side of black matrix 02 is formed as wedge-type shape, and made by gradual change transmitance mask plate
First primary colours filter pattern the 31, second primary colours filter pattern 32 of chromatic filter layer 03 and three primary colours filter pattern 33 respectively with
The thickness of black matrix 02 lap-joint is gradually incremented by mid portion by respective edge, makes at any lap position, black matrix 02
Thickness superpose with corresponding position filter pattern thickness after gross thickness, with filter pattern not with the thickness of black matrix 02 lap-joint
Degree is consistent, can make first primary colours filter pattern the 31, second primary colours filter pattern 32 and upper surface of three primary colours filter pattern 33
Smooth.Based on this, hinge structure, can enter without using OC layer that thickness is thicker to ensure the uniformity that oriented layer is coated with
And the thickness of liquid crystal display can be reduced, reduce production cost.
The embodiment of the present invention provides a kind of color membrane substrates, as in figure 2 it is shown, include: substrate 01, the black square being arranged on substrate
Battle array 02 and be arranged on the chromatic filter layer 03 above black matrix 02, chromatic filter layer 03 include the first primary colours filter pattern 31,
Second primary colours filter pattern 32 and three primary colours filter pattern 33.
Wherein, the side of black matrix 02 is lozenges, and the area of the lower surface of the close substrate 01 of black matrix 02 is more than
The area of upper surface；First primary colours filter pattern the 31, second primary colours filter pattern 32 and the upper table of three primary colours filter pattern 33
Face is smooth.
Wherein, as in figure 2 it is shown, the side of black matrix 02 is lozenges, between adjacent two black matrix 02, it is formed with primary colours
Filter pattern, as a example by the first primary colours filter pattern 31, the first primary colours filter pattern 31 is taken respectively with adjacent two black matrix 02
Connecing, its upper surface is plane.
The color membrane substrates that the embodiment of the present invention provides, by using gradual change transmitance mask plate to be set the side of black matrix 02
It is set to wedge-type shape, and is made first primary colours filter pattern the 31, second base of chromatic filter layer 03 by gradual change transmitance mask plate
Color filter pattern 32 and three primary colours filter pattern 33 respectively with the thickness of black matrix 02 lap-joint by respective edge to pars intermedia
Point be gradually incremented by, make at any lap position, the thickness of black matrix 02 superpose with corresponding position filter pattern thickness after total
Thickness, with filter pattern not with the consistency of thickness of black matrix 02 lap-joint, first primary colours filter pattern the 31, second primary colours can be made
The upper surface of filter pattern 32 and three primary colours filter pattern 33 is smooth.Based on this, hinge structure, can be without using thickness
Thicker OC layer ensures the uniformity that oriented layer is coated with, and then can reduce the thickness of liquid crystal display, reduces production cost.
Preferably, as in figure 2 it is shown, the angle of inclination of the opposite flank of black matrix 02 is identical.
The embodiment of the present invention is identical by the angle of inclination making the opposite flank of black matrix 02 so that chromatic filter layer 03 with
The angle of inclination in the face of black matrix 02 contacts side surfaces is the most identical, such that it is able to simplify manufacturing process, reduces fabrication error.
Preferably, as shown in figure 11, color membrane substrates also includes being arranged on formation OC layer 50, OC layer above chromatic filter layer 03
The thickness of 50 is 0.5 ± 0.16um.
The embodiment of the present invention, by the OC layer 50 of the surface configuration layer at chromatic filter layer 03, can be avoided because of system
Make to there is gap between first primary colours filter pattern the 31, second primary colours filter pattern 32, three primary colours filter pattern 33 as error
Time, affect the uniformity of oriented layer coating.
The embodiment of the present invention also provides for a kind of display floater, including above-mentioned color membrane substrates.
The display floater that the embodiment of the present invention provides, during color membrane substrates in preparing display floater, by using gradual change
The side of black matrix 02 is set to wedge-type shape by transmitance mask plate, and makes chromatic filter layer by gradual change transmitance mask plate
First primary colours filter pattern 31, the second primary colours filter pattern 32 of 03 and three primary colours filter pattern 33 are taken with black matrix 02 respectively
The thickness at the place of connecing gradually is incremented by mid portion by respective edge, makes at any lap position, and the thickness of black matrix 02 is with corresponding
Gross thickness after the filter pattern thickness superposition of position, with filter pattern not with the consistency of thickness of black matrix 02 lap-joint, can
The upper surface making first primary colours filter pattern the 31, second primary colours filter pattern 32 and three primary colours filter pattern 33 is smooth.Based on
This, hinge structure, and then can reduce liquid without using OC layer that thickness is thicker to ensure the uniformity that oriented layer is coated with
The thickness of crystal display, reduces production cost.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art, in the technical scope that the invention discloses, can readily occur in change or replace, should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (12)
1. a preparation method for color membrane substrates, is included on substrate and sequentially forms black matrix and chromatic filter layer, described colour
Filter layer includes the first primary colours filter pattern, the second primary colours filter pattern and three primary colours filter pattern；It is characterized in that,
Form described black matrix to include: using the first gradual change transmitance mask plate to form side is the black matrix of lozenges；Wherein,
The transmitance transition of described first gradual change transmitance mask plate is corresponding with the side of described black matrix to be formed；
Form described chromatic filter layer to include: use the second gradual change transmitance mask plate to form described first primary colours filter pattern,
Wherein, the transmitance transition of described second gradual change transmitance mask plate and described first primary colours filter pattern to be formed with
The part of described black matrix overlap joint is corresponding；
The 3rd gradual change transmitance mask plate is used to form described second primary colours filter pattern, wherein, described 3rd gradual change transmitance
The transmitance transition of mask plate is right with the part that described black matrix overlaps with described second primary colours filter pattern to be formed
Should；
The 4th gradual change transmitance mask plate is used to form described three primary colours filter pattern, wherein, described 4th gradual change transmitance
The transmitance transition of mask plate is right with the part that described black matrix overlaps with described three primary colours filter pattern to be formed
Should.
Preparation method the most according to claim 1, it is characterised in that form described black matrix, specifically include:
Substrate is formed black matrix thin film；
First gradual change transmitance mask plate is placed in described black matrix film side；Wherein, described first gradual change transmitance mask
Plate includes complete light transmission part, complete lightproof part and transmitance transition；
Make described complete light transmission part to be formed described black matrix corresponding with described transmitance transition, make described the most not
Other regions corresponding, light transmission part；Wherein, the upper surface of described complete light transmission part and black matrix to be formed is over the substrate
Projection the most corresponding, described transmitance transition is the most right with the projection over the substrate of the side of black matrix to be formed
Should；With side that described transmitance transition contacts with described complete light transmission part as reference, described transmitance transition
Transmitance be gradually lowered；
Described black matrix thin film is exposed, after development, forms described black matrix.
Preparation method the most according to claim 2, it is characterised in that complete with described with any described transmitance transition
The side of full impregnated light part contact is reference, and the transmitance Changing Pattern of described transmitance transition is consistent.
4. according to the preparation method described in Claims 2 or 3, it is characterised in that form described first primary colours filter pattern, bag
Include:
The substrate being formed with described black matrix is formed the first primary colours light filter film；
Second gradual change transmitance mask plate is placed in described black matrix side, and described second gradual change transmitance mask plate includes completely
Light transmission part, complete lightproof part and transmitance transition；
Make described complete light transmission part to be formed described first primary colours filter pattern corresponding with described transmitance transition, make
Described complete lightproof part other regions corresponding；Wherein, corresponding first primary colours to be formed in described complete light transmission part filter and scheme
The part that case does not contacts with described black matrix, the corresponding first primary colours filter pattern to be formed of described transmitance transition is with described
The part of black matrix contact；With side that described transmitance transition contacts with described complete light transmission part as reference, described
The transmitance of transmitance transition is gradually lowered；
Described first primary colours light filter film is exposed, after development, forms described first primary colours filter pattern.
Preparation method the most according to claim 4, it is characterised in that form described second primary colours filter pattern, including:
The substrate being formed with described black matrix is formed the second primary colours light filter film；
3rd gradual change transmitance mask plate is placed in described black matrix side, and described 3rd gradual change transmitance mask plate includes completely
Light transmission part, complete lightproof part and transmitance transition；
Make described complete light transmission part to be formed described second primary colours filter pattern corresponding with described transmitance transition, make
Described complete lightproof part other regions corresponding；Wherein, corresponding second primary colours to be formed in described complete light transmission part filter and scheme
The part that case does not contacts with described black matrix, the corresponding second primary colours filter pattern to be formed of described transmitance transition is with described
The part of black matrix contact；With side that described transmitance transition contacts with described complete light transmission part as reference, described
The transmitance of transmitance transition is gradually lowered；
Described second primary colours light filter film is exposed, after development, forms described second primary colours filter pattern.
Preparation method the most according to claim 5, it is characterised in that form described three primary colours filter pattern, including:
The substrate being formed with described black matrix forms three primary colours light filter film；
4th gradual change transmitance mask plate is placed in described black matrix side, and described 4th gradual change transmitance mask plate includes completely
Light transmission part, complete lightproof part and transmitance transition；
Make described complete light transmission part to be formed described three primary colours filter pattern corresponding with described transmitance transition, make
Described complete lightproof part other regions corresponding；Wherein, the corresponding three primary colours to be formed in described complete light transmission part filter and scheme
The part that case does not contacts with described black matrix, the corresponding three primary colours filter pattern to be formed of described transmitance transition is with described
The part of black matrix contact；With side that described transmitance transition contacts with described complete light transmission part as reference, described
The transmitance of transmitance transition is gradually lowered；
Described three primary colours light filter film is exposed, after development, forms described three primary colours filter pattern.
Preparation method the most according to claim 1, it is characterised in that be additionally included in formation OC layer above chromatic filter layer,
The thickness of described OC layer is 0.5 ± 0.16um.
8. a preparation method for display floater, described display floater includes color membrane substrates, it is characterised in that described color membrane substrates
Prepared by the method described in any one of claim 1-7.
9. a color membrane substrates, including: substrate, arranges black matrix over the substrate and is arranged in described black matrix
The chromatic filter layer of side, described chromatic filter layer includes the first primary colours filter pattern, the second primary colours filter pattern and three primary colours
Filter pattern；It is characterized in that,
The side of described black matrix is lozenges, and the area of the lower surface of the close described substrate of described black matrix is more than upper table
The area in face；
The upper surface of described first primary colours filter pattern, described second primary colours filter pattern and described three primary colours filter pattern is put down
Smooth.
Color membrane substrates the most according to claim 9, it is characterised in that the angle of inclination of the opposite flank of described black matrix
Identical.
11. according to the color membrane substrates described in claim 9 or 10, it is characterised in that also include being arranged on described chromatic filter layer
Top forms OC layer, and the thickness of described OC layer is 0.5 ± 0.16um.
12. 1 kinds of display floaters, including color membrane substrates, it is characterised in that described color membrane substrates is any one of claim 9-11
Described color membrane substrates.
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| CN201610688673.XA CN106054443A (en) | 2016-08-18 | 2016-08-18 | Color-film substrate, production method thereof, display panel and production method thereof |
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