CN108107625A - The production method of color membrane substrates - Google Patents
The production method of color membrane substrates Download PDFInfo
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- CN108107625A CN108107625A CN201810024452.1A CN201810024452A CN108107625A CN 108107625 A CN108107625 A CN 108107625A CN 201810024452 A CN201810024452 A CN 201810024452A CN 108107625 A CN108107625 A CN 108107625A
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- ink
- color
- colored
- substrate
- colored ink
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Classifications
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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
Abstract
The present invention provides a kind of production method of color membrane substrates, magnetic particle is added in colored ink, then baking-curing is carried out to the colored ink being coated on substrate in uniform magnetic field, utilize the variation of the colored ink of magnetic liquid form in magnetic field, overcoming makes the tension of its surface curve on colored ink, make colored ink thickness uniformizing on substrate, so as to which colored ink is in uniform magnetic field after toasted curing, just the smooth colored color blocking layer of film surface can be obtained, it avoids the film surface of colored color blocking layer in the prior art and generates concave surface when making the recessed tension in its surface produced by colored ink contacts hydrophilic surface, and then avoid the aberration problem of color unevenness when product is shown.
Description
Technical field
The present invention relates to display technology field more particularly to a kind of production methods of color membrane substrates.
Background technology
Thin-film transistor LCD device (Thin Film Transistor Liquid Crystal Display,
TFT-LCD) there are many merits such as thin fuselage, power saving, radiationless, be widely used.Liquid crystal on existing market
Showing device is largely backlight liquid crystal display device, including liquid crystal display panel and backlight module (backlight
module).Usual liquid crystal display panel by color film (CF, Color Filter) substrate, tft array substrate, be sandwiched in color membrane substrates
Liquid crystal (LC, Liquid Crystal) and the sealing frame glue'' (Sealant) composition between tft array substrate.
Colored filter on CF substrates mainly passes through RGB color color blocking layer as one of liquid crystal display significant components
Optical filtering realize colour developing, therefore CF substrates are the main devices that LCD is used for realizing colored display, form and generally include substantially：
Glass substrate, black matrix" (Black Matrix, BM), colored color blocking layer etc..The light that backlight is sent passes through liquid crystal molecule
Modulation incide into CF substrates, red (R) color blocking, green (G) color blocking and the blueness of color blocking layer of being enameled by CF substrates
(B) filter action of color blocking shows three kinds of light of red, green, blue, the color blocking difference TEM investigation color bands of different colours respectively
Light, so as to fulfill display colour display.
At present, the RGB color layer of TFT-LCD is molded, there are techniques to answer mainly using yellow light technique by exposure imaging
The problem of miscellaneous, time-consuming longer；And color light resistance layer is relatively low to the utilization rate of backlight, and the limitation due to material in itself, display
The brightness of device and color saturation all difficulties are highly improved.
And the mode of inkjet printing (inkjet printing) can directly print on colored ink the position specified,
Specifically process is usually, and shading barricade is set on substrate, and colored ink is then printed on the hole that shading barricade formed
In, the shape of sub-pixel is formed, so as to fulfill the effect of colored ink is deposited in appointed place, the waste of material will not be caused.
But as shown in Figs. 1-2, made using inkjet printing technology on CF substrates during color blocking layer, according to shading
Tri- kinds of colored inks of R, G, B are sprayed on the pixel region that barricade 101 crossed by the hydrophilic and hydrophobic principle on 101 surface of barricade
When, due to the tension force effect between 101 hydrophilic surface of colored ink itself and shading barricade, cause colored ink institute after baking-curing
102 surface of color blocking layer of formation can be rendered as a concave surface, so as to cause color uneven phenomenon during display.
The content of the invention
It is an object of the invention to provide a kind of production methods of color membrane substrates, and magnetic particle is added in colored ink,
Being overcome by magneticaction makes the tension of its surface curve on colored ink, so as to obtain film after colored ink baking-curing
The smooth colored color blocking layer in face, and then aberration problem when avoiding the product from showing.
To achieve the above object, the present invention provides a kind of production method of color membrane substrates, including：Substrate and color oil are provided
Ink, the colored ink include the particle that is magnetic, by colored ink coating on the substrate, then to applying in uniform magnetic field
The colored ink of cloth on the substrate carries out baking-curing, makes its surface bent on colored ink so as to overcome by magneticaction
The tension in face obtains the smooth colored color blocking layer of film surface.
The production method of the color membrane substrates specifically comprises the following steps：
Step S1, the substrate is provided, form light shield layer on the substrate, the light shield layer crosses on the substrate
Several subpixel areas；
Step S2, the colored ink is provided, the colored ink is sprayed on the number by the way of inkjet printing
In a subpixel area；
Step S3, the substrate is placed in uniform magnetic field, baking-curing is carried out to the colored ink on the substrate, is obtained
To the colored color blocking layer that film surface is smooth, thickness is homogeneous.
The size of the magnetic particle is between 10-100nm.
The material of the magnetic particle includes Fe3O4、γ-Fe2O3, Fe, Co, Ni, Fe-Co-Ni alloy, α-Fe3N, and γ-
Fe4At least one of N.
Also contain surfactant in the colored ink, for preventing from due to aggregation occurring between the magnetic particle
Sedimentation.
Contain one or more of carboxyl, amido, hydroxyl, aldehyde radical, sulfenyl in the molecule of the surfactant.
In the step S1, several subpixel areas that the light shield layer crosses on the substrate include several red sons
Pixel region, several green subpixel areas and several blue subpixel areas；
In the step S2, the colored ink provided includes red ink, green ink and blue ink, described red
Color ink, green ink and blue ink are sprayed on several red subpixel areas, several sub- pictures of green by correspondence respectively
In plain region and several blue subpixel areas；
In the step S3, red is respectively formed after the red ink, green ink and the toasted curing of blue ink
Color blocking layer, green color blocking layer and blue color blocking layer, i.e., described colored color blocking layer include red color resistance layer, green color blocking layer and indigo plant
Color color blocking layer.
The red ink, green ink and blue ink include the pigment of corresponding color respectively.
The light shield layer is formed by the patterned technique of black out ink material.
The Patternized technique includes the application step, step of exposure, development step and the baking procedure that carry out successively.
Beneficial effects of the present invention：The production method of the color membrane substrates of the present invention, adds magnetic particle in colored ink,
Then baking-curing is carried out to the colored ink being coated on substrate in uniform magnetic field, is existed using the colored ink of magnetic liquid
The variation of form in magnetic field, overcomes the tension for making its surface curve on colored ink, makes thickness of the colored ink on substrate
Homogenization, so as to which colored ink after toasted curing, just can obtain the smooth colored color blocking layer of film surface, keep away in uniform magnetic field
The film surface of colored color blocking layer in the prior art is exempted from due to making the recessed tension in its surface produced by colored ink contacts hydrophilic surface
The aberration problem of color unevenness when generating concave surface, and then avoiding product display.
Description of the drawings
In order to be further understood that the feature of the present invention and technology contents, refer to below in connection with the detailed of the present invention
Illustrate and attached drawing, however attached drawing is only provided with reference to illustrating to use, being not used for being any limitation as the present invention.
In attached drawing,
Fig. 1 by colored ink in the production method of existing color membrane substrates by being sprayed on the pixel region that shading barricade crosses
Interior schematic diagram；
Fig. 2 is the toasted schematic diagram for curing rear surface and forming concave surface of the colored ink in Fig. 1 in pixel region；
Fig. 3 is the flow diagram of the production method of the color membrane substrates of the present invention；
Fig. 4 is the schematic diagram of the step S1 of the production method of the color membrane substrates of the present invention；
Fig. 5 is the schematic diagram of the step S2 of the production method of the color membrane substrates of the present invention；
Fig. 6-7 is the schematic diagram of the step S3 of the production method of the color membrane substrates of the present invention.
Specific embodiment
Further to illustrate the technological means and its effect of the invention taken, below in conjunction with being preferably implemented for the present invention
Example and its attached drawing are described in detail.
Referring to Fig. 3, the present invention provides a kind of production method of color membrane substrates, include the following steps：
Step S1, as shown in figure 4, providing substrate 10, light shield layer 20 is formed on the substrate 10, the light shield layer 20 exists
Several subpixel areas 30 are crossed on the substrate 10.
Specifically, the light shield layer 20 is formed by the patterned technique of black out ink material, and the Patternized technique includes
Application step, step of exposure, development step and the baking procedure carried out successively and etc., i.e., described light shield layer 20 is patterning
Material layer, specifically include several crisscross shading barricades 21, so as to by several shading barricades 21 on the substrate 10
Cross several subpixel areas 30.
Specifically, in the step S1, several subpixel areas 30 that the light shield layer 20 crosses on the substrate 10
Including several red subpixel areas 31, several green subpixel areas 32 and several blue subpixel areas 33.
Step S2, as shown in figure 5, providing the colored ink 50, the colored ink 50 includes the particle that is magnetic, then
The colored ink 50 is sprayed in several subpixel areas 30 by the way of inkjet printing.
Specifically, define the surface that the one side of the light shield layer 20 away from substrate 10 is light shield layer 20, definition it is described several
The one side that shading barricade 21 is contacted with colored ink 50 is side, and the surface of the light shield layer 20 has hydrophily, further,
The side of several shading barricades 21 has hydrophily, and the side of several shading barricades 21 is hydrophilic surface, so that the step
Colored ink 50 smoothly can be exactly sprayed in several subpixel areas 30 described in rapid S2.
Specifically, in the step S2, the colored ink 50 provided includes red ink, green ink and blue oil
Ink, the red ink, green ink and blue ink respectively by it is corresponding be sprayed on several red subpixel areas 31,
In several green subpixel areas 32 and several blue subpixel areas 33.
Specifically, the size of the magnetic particle is between 10-100nm.
Specifically, the material of the magnetic particle includes Fe3O4(ferroso-ferric oxide), γ-Fe2O3(γ-three oxidations two
Iron), Fe (iron), Co (cobalt), Ni (nickel), Fe-Co-Ni alloys (iron cobalt nickel alloy), α-Fe3N (α-nitridation three-iron) and γ-Fe4N
At least one of (four iron of γ-nitridation).
Specifically, to prevent in the colored ink 50 between magnetic particle since aggregation settles.The colour
Also contain surfactant in ink 50.
Further, one kind in carboxyl, amido, hydroxyl, aldehyde radical, sulfenyl etc. is contained in the molecule of the surfactant
It is or several.
Specifically, the red ink, green ink and blue ink include the pigment of corresponding color respectively, are pigment
Ink.
Step S3, as shown in fig. 6-7, the substrate 10 is placed in uniform magnetic field, to being coated in uniform magnetic field
The colored ink 50 stated on substrate 10 carries out baking-curing, utilizes the change of the form in magnetic field of colored ink 50 of magnetic liquid
Change, can overcome since colored ink 50 contacts for making 50 surface of colored ink recessed caused by 20 hydrophilic surface of light shield layer
Power makes colored ink 50 thickness uniformizing in corresponding subpixel area 30, so as to colored ink 50 in uniform magnetic field
After toasted curing, the colored color blocking layer 50 ' that film surface is smooth, thickness is homogeneous can be obtained.
The production method of the color membrane substrates of the present invention adds magnetic particle in colored ink 50, then in uniform magnetic field
Baking-curing is carried out to the colored ink 50 being coated on the substrate 10, can be effectively improved because colored ink 50 contacts light shield layer 20
The phenomenon that hydrophilic surface generates the tension for making its surface recessed and colored color blocking layer 50 ' is made to generate concave surface, makes obtained colored color
50 ' film thickness of resistance layer is homogeneous, and then avoids the aberration problem of color unevenness when product is shown.
Specifically, in the step S3, after the red ink, green ink and the toasted curing of blue ink respectively
Red color resistance layer 51, green color blocking layer 52 and blue color blocking layer 53 are formed, i.e., described colored color blocking layer 50 ' includes red color resistance
Layer 51, green color blocking layer 52 and blue color blocking layer 53.
In conclusion the production method of the color membrane substrates of the present invention adds magnetic particle in colored ink, then equal
Baking-curing is carried out to the colored ink that is coated on substrate in even magnetic field, using the colored ink of magnetic liquid in magnetic field shape
The variation of state overcomes the tension for making its surface curve on colored ink, makes colored ink thickness uniformizing on substrate, from
And colored ink after toasted curing, just can obtain the smooth colored color blocking layer of film surface in uniform magnetic field, avoid existing
The film surface of colored color blocking layer generates concave surface when making the recessed tension in its surface produced by colored ink contacts hydrophilic surface in technology,
And then avoid the aberration problem of color unevenness when product is shown.
The above, for those of ordinary skill in the art, can be with technique according to the invention scheme and technology
Other various corresponding changes and deformation are made in design, and all these changes and deformation should all belong to the claims in the present invention
Protection domain.
Claims (10)
1. a kind of production method of color membrane substrates, which is characterized in that including：Substrate (10) and colored ink (50) are provided, it is described
Colored ink (50) includes the particle that is magnetic, and colored ink (50) is coated on the substrate (10), then in uniform magnetic field
In baking-curing is carried out to the colored ink (50) that is coated on the substrate (10), so as to overcome color oil by magneticaction
Make the tension of its surface curve on black (50), obtain the smooth colored color blocking layer (50 ') of film surface.
2. the production method of color membrane substrates as described in claim 1, which is characterized in that specifically comprise the following steps：
The substrate (10) step S1, is provided, light shield layer (20) is formed on the substrate (10), the light shield layer (20) is in institute
It states and several subpixel areas (30) is crossed on substrate (10)；
The colored ink (50) step S2, is provided, the colored ink (50) is sprayed on institute by the way of inkjet printing
It states in several subpixel areas (30)；
Step S3, the substrate (10) is placed in uniform magnetic field, the colored ink (50) on the substrate (10) is dried
It is roasting to cure, obtain the colored color blocking layer (50 ') that film surface is smooth, thickness is homogeneous.
3. the production method of color membrane substrates as described in claim 1, which is characterized in that the size of the magnetic particle is in 10-
Between 100nm.
4. the production method of color membrane substrates as claimed in claim 3, which is characterized in that the material of the magnetic particle includes
Fe3O4、γ-Fe2O3, Fe, Co, Ni, Fe-Co-Ni alloy, α-Fe3N, and γ-Fe4At least one of N.
5. the production method of color membrane substrates as described in claim 1, which is characterized in that also contain in the colored ink (50)
Surfactant, for preventing from settling due to aggregation between the magnetic particle.
6. the production method of color membrane substrates as claimed in claim 5, which is characterized in that contain in the molecule of the surfactant
There are one or more of carboxyl, amido, hydroxyl, aldehyde radical, sulfenyl.
7. the production method of color membrane substrates as claimed in claim 2, which is characterized in that in the step S1, the light shield layer
(20) the several subpixel areas (30) crossed on the substrate (10) include several red subpixel areas (31), several green
Sub-pixels region (32) and several blue subpixel areas (33)；
In the step S2, the colored ink (50) provided includes red ink, green ink and blue ink, described red
Color ink, green ink and blue ink are sprayed on several red subpixel areas (31), several greens by correspondence respectively
In subpixel area (32) and several blue subpixel areas (33)；
In the step S3, red color resistance is respectively formed after the red ink, green ink and the toasted curing of blue ink
Layer (51), green color blocking layer (52) and blue color blocking layer (53), i.e., described colored color blocking layer (50 ') include red color resistance layer
(51), green color blocking layer (52) and blue color blocking layer (53).
8. the production method of color membrane substrates as claimed in claim 7, which is characterized in that the red ink, green ink and
Blue ink includes the pigment of corresponding color respectively.
9. the production method of color membrane substrates as claimed in claim 2, which is characterized in that the light shield layer (20) is by black out ink
The patterned technique of material is formed.
10. the production method of color membrane substrates as claimed in claim 9, which is characterized in that the Patternized technique is included successively
Application step, step of exposure, development step and the baking procedure of progress.
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| CN201810024452.1A CN108107625A (en) | 2018-01-10 | 2018-01-10 | The production method of color membrane substrates |
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| CN201810024452.1A CN108107625A (en) | 2018-01-10 | 2018-01-10 | The production method of color membrane substrates |
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Cited By (5)
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| CN108957620A (en) * | 2018-08-01 | 2018-12-07 | 京东方科技集团股份有限公司 | The preparation method of light guide plate and light guide plate, backlight module and display device |
| CN109103221A (en) * | 2018-08-17 | 2018-12-28 | 京东方科技集团股份有限公司 | Pixel defining layer and its prepare raw material and preparation method, display base plate |
| CN109880440A (en) * | 2019-03-15 | 2019-06-14 | 云谷（固安）科技有限公司 | Ink, inkjet printing methods, film encapsulation method and organic film |
| CN112909202A (en) * | 2021-01-25 | 2021-06-04 | 绵阳京东方光电科技有限公司 | Display panel, preparation method thereof and display device |
| CN114740560A (en) * | 2022-04-27 | 2022-07-12 | 深圳市华星光电半导体显示技术有限公司 | Color film substrate and preparation method thereof |
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| CN114740560A (en) * | 2022-04-27 | 2022-07-12 | 深圳市华星光电半导体显示技术有限公司 | Color film substrate and preparation method thereof |
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Application publication date: 20180601 |