CN107991726A - A kind of method and colored filter of inkjet printing manufacture colored filter - Google Patents
A kind of method and colored filter of inkjet printing manufacture colored filter Download PDFInfo
- Publication number
- CN107991726A CN107991726A CN201711482304.6A CN201711482304A CN107991726A CN 107991726 A CN107991726 A CN 107991726A CN 201711482304 A CN201711482304 A CN 201711482304A CN 107991726 A CN107991726 A CN 107991726A
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- CN
- China
- Prior art keywords
- picture element
- substrate
- black matrix
- sub
- colored filter
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Filters (AREA)
- Liquid Crystal (AREA)
Abstract
The colored filter for providing a kind of method of inkjet printing manufacture colored filter and being obtained by this method.It the described method comprises the following steps：Substrate is set；Multiple black matrix separated from one another are formed on substrate, multiple sub-picture element areas are limited by the multiple black matrix；A kind of colored photoresist of predetermined color is coated with the substrate formed with black matrix, the picture element in predetermined sub-picture element area corresponding with a kind of predetermined color and multiple barricades in the multiple black matrix are then formed on substrate by photoetching；Using the picture element that remaining color is formed in the sub-picture element area in addition to the predetermined sub-picture element area of the inkjet printing in the multiple sub-picture element area, colored filter is obtained after curing.
Description
Technical field
The present invention relates to a kind of method for manufacturing colored filter, and in particular, to a kind of inkjet printing manufactures low segment difference
The method of colored filter and the colored filter obtained by this method.
Background technology
Photoetching technique is widely used in the making of LCD colored filters, and largely produce as ripe technique.So
And in photoetching technique, the effective rate of utilization of photoresist is less than 30%.In order to lift the utilization rate of photoresist to greatest extent, drop
The cost of manufacture of low LCD, starts inkjet printing technology being applied to LCD industries.But inkjet printing technology difficulty is high, ink-jet is beaten
Print machine is there are technical bottleneck, at present not yet in LCD industry volume productions.
Patent publication us CN201110223125.7 discloses a kind of colored filter and its manufacture method.Fig. 1 is to show
The sectional view of the structure of colored filter according to prior art is gone out.With reference to Fig. 1, which includes glass substrate
20th, black matrix 21, barricade 22 and multiple colored light-filtering units 23 in multiple sub-picture element areas are formed at using ink-jetting style.Should
The production method of colored filter includes：Glass substrate 20 is provided；Sequentially coating is used to form black square on glass substrate 20
The material layer of battle array layer and the photosensitive material layer for forming barricade, are then exposed and develop, so that on glass substrate 20
Black matrix 21 and barricade 23 are formed at the same time, wherein, barricade 23 is located in black matrix 21, and is limited by black matrix 21 and barricade 23
Make multiple sub-picture element areas；Multiple colored light-filtering units 23 are formed in the multiple sub-picture element area by ink-jetting style.Due to
Inkjet printing technology is there are certain difficulty, and in the patent document, is formed with ink-jetting style in multiple sub-picture element areas multiple
The filter unit of different colours, is difficult to realize volume production.
Therefore, it is necessary to inkjet printing technology is improved to realize volume production.
The content of the invention
In order to reduce inkjet printing technology difficulty, the present invention discloses a kind of novel ink-jet printing and making colored filter
Method and the colored filter obtained by this method.
Exemplary embodiment according to the present invention, there is provided a kind of method for manufacturing colored filter, the method can wrap
Include following step：Substrate is set；Multiple black matrix separated from one another are formed on substrate, are limited by the multiple black matrix
Multiple sub-picture element areas；A kind of colored photoresist of predetermined color is coated with the substrate formed with black matrix, then passes through photoetching
The picture element that is located in predetermined sub-picture element area corresponding with a kind of predetermined color is formed on substrate and positioned at the multiple
Multiple barricades in black matrix；Using inkjet printing in the multiple sub-picture element area in addition to the predetermined sub-picture element area
Sub-picture element area in form the picture element of remaining color, obtain colored filter after curing.
In an exemplary embodiment of the present invention, a kind of colour of predetermined color is coated with the substrate formed with black matrix
The step of photoresist, can include：The multiple time limited in the multiple black matrix and by the multiple black matrix is drawn
The colored photoresist is coated with plain area.
In an exemplary embodiment of the present invention, a kind of predetermined color can be one in red, green and blueness
Kind color, wherein, the multiple sub-picture element area can include red sub-picture element area, green sub-picture element area and blue sub-picture element area.
In an exemplary embodiment of the present invention, a kind of predetermined color can be blue-green, magenta, yellow and white
A kind of color in color, wherein, the multiple sub-picture element area can include bluish-green sub-picture element area, pinkish red sub-picture element area, yellow time
Picture element region and white sub-picture element area.
In an exemplary embodiment of the present invention, can be with multiple black matrix separated from one another are formed on substrate the step of
Including：Black matrix photosensitive material is coated with a surface of a substrate, is then formed by exposed and developed separated from one another more
A black matrix.
In an exemplary embodiment of the present invention, it can be performed by spin coating or blade coating and be coated with black square on a surface of a substrate
The step of battle array photosensitive material.
In an exemplary embodiment of the present invention, the method can also include：Black matrix is coated with a surface of a substrate
After photosensitive material, to be coated with black matrix photosensitive material substrate carry out before baking, then perform again it is described exposure and it is described
The step of development.
In an exemplary embodiment of the present invention, the method can also include：On substrate coating chromatic photoresist it
Afterwards, baking before being carried out to the substrate for being coated with colored photoresist, then performs the lithography step again.
In an exemplary embodiment of the present invention, substrate can be glass substrate, quartz base plate or transparent resin substrate.
A kind of exemplary embodiment according to the present invention, there is provided colored filter manufactured by the above method.
Brief description of the drawings
Attached drawing shows the exemplary embodiment of inventive concept, and is used for the principle for explaining inventive concept together with the description,
Wherein, including attached drawing further understands inventive concept with providing, and attached drawing is included in the description and forms this specification
A part.
Fig. 1 is the sectional view for showing the structure of colored filter according to prior art.
Fig. 2 is the flow diagram of the method for the manufacture colored filter of exemplary embodiment according to the present invention.
Fig. 3 to Fig. 5 is the sectional view of the method for the manufacture colored filter of exemplary embodiment according to the present invention.
Fig. 6 is the colored filter of the method manufacture of the manufacture colored filter of exemplary embodiment according to the present invention
Sectional view.
Embodiment
In the following description, for purposes of explanation, numerous specific details are set forth, to provide to various exemplary realities
Apply the thorough understanding of example.It will, however, be evident that can be in the case of these no details or one or more etc.
Implement various exemplary embodiments in the case of with arrangement.In other cases, show in block diagram form known structure and
Device is unnecessarily obscured to avoid making various exemplary embodiments.
Carrying out for described processing step and/or operation is example；However, the step except particular order generation must be pressed
Outside rapid and/or operation, the order of step and/or operation is not limited to order set forth herein, and can be as known in the art
Ground changes.
Inkjet printing is difficult to be utilized in the prior art and realizes that volume production makes colored filter, the present invention provides one for this
The method that the new inkjet printing technology of kind makes colored filter.Specifically, exemplary embodiment according to the present invention, is adopted
Substitute traditional barricade with colored photoresist, after black matrix is formed, gear is formed in black matrix by a photoetching technique
Wall and a kind of picture element of color, then form the picture element of other colors using inkjet printing technology.Therefore, show according to the present invention
Example property embodiment, due to forming a kind of picture element of color using photoetching technique, therefore only needs the picture element of the other colors of inkjet printing, because
This significantly reduces the technical difficulty of inkjet printing.
Describe the manufacture colored filter of exemplary embodiment according to the present invention in detail below with reference to Fig. 2 to Fig. 5
Method.
Fig. 2 is the flow diagram of the method for the manufacture colored filter 10 of exemplary embodiment according to the present invention.Fig. 3
It is the sectional view of the method for the manufacture colored filter of exemplary embodiment according to the present invention to Fig. 5.
The method of the making colored filter 10 of exemplary embodiment according to the present invention can be applied to three kinds of colors and draw
The manufacture of plain (pixel), four kinds of color picture elements or more the colored filter of the Display Technique of kind color picture element.According to the present invention
Exemplary embodiment, three kinds of color picture elements can include red (R) picture element, green (G) picture element and blue (B) picture element, four kinds
Color picture element can include blue-green picture element, magenta picture element, yellow picture element and white picture element.But the present invention is not limited thereto,
Those skilled in the art can be under the teachings of the present invention according to the picture element for being actually needed selection suitable color.For the ease of description
And understanding, hereinafter, by by red picture element, three kinds of colors of green picture element and blue picture element picture element exemplified by, and with gear
The picture element that wall is formed at the same time is red picture element as example.
With reference to Fig. 2 and Fig. 3, the method for manufacture colored filter according to an exemplary embodiment of the present invention, sets base first
Plate 100 (step S101), then forms multiple black matrix 110 (step S102) separated from one another on the substrate 100, wherein,
Multiple sub-picture element areas are limited by multiple black matrix 110.
Exemplary embodiment according to the present invention, substrate 100 can be glass substrate, quartz base plate or transparent resin substrate
Deng.Black matrix" 110 can be formed using any suitable method such as photoetching.Exemplary implementation according to the present invention
Example, can be coated with black matrix photosensitive material by the method for spin coating and blade coating etc. on the surface of substrate 100, and to substrate
100 carry out preceding baking；Then, development is exposed to the substrate 100 for being coated with black matrix photosensitive material, so as to form black matrix
110.Multiple black matrix 110 are separated from one another at predetermined intervals, and limit multiple sub-picture element areas by multiple black matrix 110
(sub-pixel area).
With reference to Fig. 2 and Fig. 4, a kind of colored photoetching of predetermined color is coated with the substrate 100 formed with black matrix 110
Glue, then forms picture element 120 in predetermined sub-picture element area corresponding with the predetermined color and positioned at more by photoetching process
Multiple barricades 130 (step S103) in a black matrix 110.
Red photoresist, can be coated on formed with black square by a specific illustrative embodiment according to the present invention first
On the substrate 100 of battle array 110, development then is exposed to red photoresist, so as to obtain red in red sub-picture element area
Color picture element 120 and multiple barricades 130 in multiple black matrix 110.That is, in the red photoresist of coating, make
Red photoresist cover multiple black matrix 110 and whole sub-picture element areas for being limited by black matrix 110 in.
With reference to Fig. 2, Fig. 5 and Fig. 6, inkjet printing removing and a kind of predetermined color pair in multiple sub-picture element areas is utilized
The picture element of remaining color is formed in sub-picture element area outside the predetermined sub-picture element area answered, colored filter (step is obtained after curing
S104)。
A specific illustrative embodiment according to the present invention, as shown in figure 5, by InkJet printing processes except red
Green picture element 140 and blue picture element 150 are formed in sub-picture element area outside sub-picture element area, curing is then performed, so as to obtain Fig. 6
Shown colored filter.Exemplary embodiment according to the present invention, to by multiple black matrix 110 limit multiple sub-picture element areas it
In green sub-picture element area in addition to red sub-picture element area and blue sub-picture element area in spray ink (for example, green ink
And blue ink), then cured, so as to obtain colored filter.
It foregoing illustrate exemplified by being pre-formed red picture element, however, the order for forming the picture element of different colours is not limited to
This, and can differently be changed.For example, can be by being coated with green photoetching on the substrate formed with black matrix
Glue, then forms green picture element and barricade by photoetching process；Then, by InkJet printing processes come except green picture
Red picture element and blue picture element are formed in sub-picture element area outside plain area, colored filter is obtained after curing.
The method of the making colored filter of exemplary embodiment according to the present invention can also be applied to four kinds of colors and draw
The manufacture of the colored filter of the Display Technique of element.Can be by one kind in blue-green, magenta, yellow and white four kinds of colors
The colored photoresist of predetermined color is coated on the substrate formed with black matrix, is obtained being located at by photoetching process and is made a reservation for one kind
Picture element in the corresponding predetermined sub-picture element area of color and multiple barricades in multiple black matrix.Then, beaten by ink-jet
Print technique in the sub-picture element area in addition to predetermined sub-picture element area corresponding with a kind of predetermined color forms its excess-three
The picture element of kind color, colored filter is obtained after curing.
Fig. 6 is cuing open for the colored filter 10 of the method manufacture of the manufacture colored filter described by referring to Fig. 2 to Fig. 5
View.
The colored filter 10 of the method manufacture of the making colored filter of an exemplary embodiment according to the present invention
It can include：Substrate 100；Black matrix 110, is arranged on the surface of substrate 200 and separated from one another with limit at predetermined intervals
The fixed multiple sub-picture element areas for including red sub-picture element area, green sub-picture element area and blue sub-picture element area；Red picture element 120, by red
Coloured light photoresist is formed in red sub-picture element area by photoetching process；Barricade 130, with red picture element 120 by identical material
(that is, red photoresist) is formed in black matrix 110 by same photoetching process；Green picture element 140 and blue picture element 150, lead to
InkJet printing processes are crossed to be respectively formed in green sub-picture element area and blue sub-picture element area.Here, though it is shown that barricade 130 with
Red picture element 120 is formed at the same time by identical material, but the present invention is not limited thereto.Other examples according to the present invention are implemented
Example, barricade 130 can be formed at the same time with green picture element 140 or blue picture element 150 by identical material.
The method of manufacture colored filter according to the present invention, traditional barricade is substituted using colored photoresist, passes through one
Secondary photoetching technique, can be fabricated to a kind of picture element of color and multiple barricades in multiple black matrix, so as to only need ink-jet
The picture element of other colors is printed, effectively reduces the technical difficulty of inkjet printing.
There has been disclosed exemplary embodiment, and specific term despite the use of, but only with general sum
Descriptive implication using these terms and will explain these terms, rather than the purpose for limitation.Some
In the case of, such as those of ordinary skill in the art it will be clear that, from submit the application from, unless stated otherwise, otherwise
Feature, characteristic and/or the element described in conjunction with specific embodiments can be used alone, or can be with combining other examples reality
Feature, characteristic and/or the element group for applying example description are used in combination.Therefore, it will be appreciated by those skilled in the art that not taking off
In the case of from the spirit and scope of the present invention illustrated by claim, various changing in form and in details can be made
Become.
Claims (10)
1. a kind of method for manufacturing colored filter, the described method includes following step：
Substrate is set；
Multiple black matrix separated from one another are formed on substrate, multiple sub-picture element areas are limited by the multiple black matrix；
A kind of colored photoresist of predetermined color is coated with the substrate formed with black matrix, then by photoetching on substrate shape
Into the picture element in predetermined sub-picture element area corresponding with a kind of predetermined color and in the multiple black matrix
Multiple barricades；
Utilize shape in the sub-picture element area in addition to the predetermined sub-picture element area of the inkjet printing in the multiple sub-picture element area
Into the picture element of remaining color, colored filter is obtained after curing.
2. the method for manufacture colored filter according to claim 1, wherein, it is coated with the substrate formed with black matrix
A kind of the step of colored photoresist of predetermined color, includes：Limited in the multiple black matrix and by the multiple black matrix
The multiple sub-picture element area in be coated with the colored photoresist.
3. the method for manufacture colored filter according to claim 1, wherein, a kind of predetermined color is red, green
A kind of color in color and blueness, wherein, the multiple sub-picture element area includes red sub-picture element area, green sub-picture element area and blueness
Sub-picture element area.
4. it is according to claim 1 manufacture colored filter method, wherein, a kind of predetermined color for blue-green,
A kind of color in magenta, yellow and white, wherein, the multiple sub-picture element area includes bluish-green sub-picture element area, draws for pinkish red time
Plain area, yellow sub-picture element area and white sub-picture element area.
5. the method for manufacture colored filter according to claim 1, wherein, formed on substrate separated from one another more
The step of a black matrix, includes：Black matrix photosensitive material is coated with a surface of a substrate, is then formed by exposed and developed
Multiple black matrix separated from one another.
6. the method for manufacture colored filter according to claim 5, wherein, performed by spin coating or blade coating in substrate
The step of black matrix photosensitive material is coated with surface.
7. the method for manufacture colored filter according to claim 5, wherein, the method further includes：In the table of substrate
It is coated with face after black matrix photosensitive material, baking before being carried out to the substrate for being coated with black matrix photosensitive material, then performs again
The step of exposure and the development.
8. the method for manufacture colored filter according to claim 5, wherein, the method further includes：Applied on substrate
After cloth colour photoresist, baking before being carried out to the substrate for being coated with colored photoresist, then performs the lithography step again.
9. it is according to claim 1 manufacture colored filter method, wherein, substrate be glass substrate, quartz base plate or
Transparent resin substrate.
A kind of 10. colored filter manufactured according to claim 1 to 9 any one of them method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711482304.6A CN107991726A (en) | 2017-12-29 | 2017-12-29 | A kind of method and colored filter of inkjet printing manufacture colored filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711482304.6A CN107991726A (en) | 2017-12-29 | 2017-12-29 | A kind of method and colored filter of inkjet printing manufacture colored filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107991726A true CN107991726A (en) | 2018-05-04 |
Family
ID=62039660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711482304.6A Pending CN107991726A (en) | 2017-12-29 | 2017-12-29 | A kind of method and colored filter of inkjet printing manufacture colored filter |
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