CN106483705A - Colored filter and its manufacture method - Google Patents
Colored filter and its manufacture method Download PDFInfo
- Publication number
- CN106483705A CN106483705A CN201611217651.1A CN201611217651A CN106483705A CN 106483705 A CN106483705 A CN 106483705A CN 201611217651 A CN201611217651 A CN 201611217651A CN 106483705 A CN106483705 A CN 106483705A
- Authority
- CN
- China
- Prior art keywords
- ito
- chromatograph
- black matrix
- ink
- colored filter
- Prior art date
- 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
- 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 present invention provides a kind of colored filter and its manufacture method, comprises the steps：The first step：Deposit ito thin film on the glass substrate, by photoetching process, form the ITO pattern being located in pixel region；Second step：On the glass substrate forming above-mentioned figure, by photoetching process, form black matrix", black matrix" covers corresponding part ITO pattern；3rd step：Using ink-jetting process, color ink is injected to specified pixel region, the ITO pattern of corresponding pixel area is energized simultaneously, by electrostatic attraction, induced color ink to designated area, that is, forms the first chromatograph or the second chromatograph or tertiary color layer；4th step：Two other chromatograph is formed using the same method of the 3rd step；5th step：Form ITO common electrode.The present invention makes ITO image using before making black matrix", by the ITO applied voltage to different color blocking positions, by the attraction to ink for the electrostatic, accurately ink can be limited in presumptive area very, reduce ion and introduce, improve product yield.
Description
Technical field
The invention belongs to technical field of liquid crystal display, more particularly, to a kind of colored filter and its manufacture method.
Background technology
CF ink-jet printing technology is using existing ink-jet printing technology, black (ink) using oleophylic ink (ink) and not oleophylic
Exclusiveness principle, tri- kinds of pigment inkjets of R, G, B are sprayed into close ink pixel region, form the manufacture of the chromatograph of colored filter
Method.
The manufacture method of colored filter comprises the steps：The first step：As shown in figure 1, being formed on the glass substrate 10
Multiple black matrix"s 20, glass substrate 10 is partitioned into multiple pixel regions by this black matrix" 20；Second step：As shown in Fig. 2 in glass
The moistening containing photocatalyst and fluorine-containing nonionic surfactant is coated on the black matrix" 20 that glass substrate 10 is formed with the first step
Property variable layer 30；3rd step：As shown in figure 3, being exposed to wettability variable layer 30 using mask plate 60, trigger photocatalyst,
Black matrix" 20 surface is made to form thin pigment inks water layer 40, pixel region forms close pigment inks water layer 50；4th step：As shown in figure 4,
Several paint ink is disposably sprayed into pixel region and forms color blocking layer 70.
But by the moistening variable layer 30 in said method or Technology mainly using fluorination or other surface activity
Agent, thereby produces a prominent question, that is, image retention problem.
In existing process technology, moistening variable layer is mainly surfactant component, and surfactant have similar
In [Rf1 -O-(CF2)n-CO2]i-Mi+General structure, wherein M is the cation of i for quantivalence, and therefore mostly surfactant is all
Containing ionic substance, this will lead to show image retention thus affecting display image quality.
Content of the invention
It is an object of the invention to provide ink is limited in presumptive area by one kind, minimizing ion introduces, it is good to improve product
The colored filter of rate and its manufacture method.
The present invention provides a kind of manufacture method of colored filter, comprises the steps：
The first step：Deposit ito thin film on the glass substrate, by photoetching process, form the ITO figure being located in pixel region
Shape；
Second step：On the glass substrate forming above-mentioned figure, by photoetching process, form black matrix", black matrix"
Cover corresponding part ITO pattern；
3rd step：Using ink-jetting process, color ink is injected to specified pixel region, simultaneously to corresponding pixel area
ITO pattern is energized, and by electrostatic attraction, induced color ink to designated area, that is, forms the first chromatograph or the second chromatograph or the
Three chromatographs；
4th step：Two other chromatograph is formed using the same method of the 3rd step；
5th step：Form ITO common electrode.
Preferably, also include the 6th step：Form support column.
Preferably, described support column is located on ITO common electrode.
Preferably, described ITO common electrode covers the first chromatograph, the second chromatograph, tertiary color layer and black matrix".
The present invention also provides a kind of colored filter it is characterised in that it includes：Glass substrate；Positioned at this glass substrate
And the multiple ITO pattern being located in pixel region；It is partially covered on the black matrix" in corresponding ITO pattern；It is located at corresponding ITO figure
The first chromatograph in shape, the second chromatograph and tertiary color layer；And cover in the first chromatograph, the second chromatograph, tertiary color layer and black
ITO common electrode on matrix.
Preferably, also include the support column on ITO common electrode.
The present invention makes ITO image using before making black matrix", by the ITO applying electricity to different color blocking positions
Ink by the attraction to ink for the electrostatic, accurately can be limited in presumptive area very, reduce ion and introduce, improve and produce by pressure
Product yield.
Brief description
Fig. 1 to Fig. 4 is the schematic diagram of existing colored filter making step；
The schematic diagram of the making step for colored filter of the present invention for the Fig. 5 to Figure 10；
Figure 11 is the structural representation of colored filter of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment, it is further elucidated with the present invention it should be understood that these embodiments are merely to illustrate
The present invention rather than restriction the scope of the present invention, after having read the present invention, those skilled in the art are each to the present invention
The modification planting the equivalent form of value all falls within the application claims limited range.
The manufacture method of colored filter of the present invention, comprises the steps：
The first step：As shown in Figure 5 ito thin film is deposited on glass substrate 11, by photoetching process, formed and be located at pixel region
ITO pattern 12 in domain；
Second step：As shown in fig. 6, on the glass substrate forming above-mentioned figure, by photoetching process, forming black matrix"
13, black matrix" 13 covers corresponding part ITO pattern 12；
3rd step：As shown in Figure 7 and Figure 8, using ink-jetting process, the injection of specified pixel region is dripped by shower nozzle 100
Color ink 14, is energized to the ITO pattern 12 of corresponding pixel area simultaneously, and by electrostatic attraction, induced color ink 14 arrives and refers to
Determine region, that is, form the first chromatograph 151 or the second chromatograph 152 or tertiary color layer 153；
4th step：As shown in figure 8, two other chromatograph is formed using the same method of the 3rd step.
5th step：As shown in figure 9, forming ITO common electrode 16.
6th step：As shown in Figure 10, form the support column 17 being located on ITO common electrode 16.
Colored filter is formed by said method.
The present invention also discloses a kind of colored filter, and as shown in figure 11, it includes：Glass substrate 11；Positioned at this glass base
Plate 11 and the multiple ITO pattern 12 being located in pixel region；It is partially covered on the black matrix" 13 in corresponding ITO pattern 12；Position
The first chromatograph 151 in corresponding ITO pattern 12, the second chromatograph 152 and tertiary color layer 153；Cover the first chromatograph 151, the
ITO common electrode 16 on two chromatographs 152, tertiary color layer 153 and black matrix" 12；And be located on ITO common electrode 16
Support column 17.
The present invention using making ITO image 12 before making black matrix" 13, by applying to the ITO of different color blocking positions
Ink by the attraction to ink for the electrostatic, accurately can be limited in presumptive area very, reduce ion and introduce, carry by making alive
High product yield.
Claims (6)
1. a kind of manufacture method of colored filter is it is characterised in that comprise the steps：
The first step：Deposit ito thin film on the glass substrate, by photoetching process, form the ITO pattern being located in pixel region；
Second step：On the glass substrate forming above-mentioned figure, by photoetching process, form black matrix", black matrix" covers
Corresponding part ITO pattern；
3rd step：Using ink-jetting process, color ink is injected to specified pixel region, the ITO of corresponding pixel area is schemed simultaneously
Shape is energized, and by electrostatic attraction, induced color ink to designated area, that is, forms the first chromatograph or the second chromatograph or tertiary color
Layer；
4th step：Two other chromatograph is formed using the same method of the 3rd step；
5th step：Form ITO common electrode.
2. colored filter according to claim 1 manufacture method it is characterised in that：Also include the 6th step：Formed and prop up
Dagger.
3. colored filter according to claim 2 manufacture method it is characterised in that：Described support column is located at ITO altogether
Energising is extremely gone up.
4. colored filter according to claim 1 manufacture method it is characterised in that：Described ITO common electrode covers
First chromatograph, the second chromatograph, tertiary color layer and black matrix".
5. a kind of colored filter is it is characterised in that it includes：Glass substrate；Positioned at this glass substrate and positioned at pixel region
Interior multiple ITO pattern；It is partially covered on the black matrix" in corresponding ITO pattern；The first color being located in corresponding ITO pattern
Layer, the second chromatograph and tertiary color layer；And ITO on the first chromatograph, the second chromatograph, tertiary color layer and black matrix" for the covering is altogether
Energising pole.
6. colored filter according to claim 5 it is characterised in that：Also include the support on ITO common electrode
Post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611217651.1A CN106483705B (en) | 2016-12-26 | 2016-12-26 | Colored filter and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611217651.1A CN106483705B (en) | 2016-12-26 | 2016-12-26 | Colored filter and its manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106483705A true CN106483705A (en) | 2017-03-08 |
| CN106483705B CN106483705B (en) | 2019-06-11 |
Family
ID=58285637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611217651.1A Active CN106483705B (en) | 2016-12-26 | 2016-12-26 | Colored filter and its manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106483705B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932847A (en) * | 2017-03-27 | 2017-07-07 | 友达光电股份有限公司 | Manufacturing method of color filter element and active element substrate |
| WO2019056472A1 (en) * | 2017-09-20 | 2019-03-28 | 武汉华星光电技术有限公司 | Color filter substrate and manufacturing method therefor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11281810A (en) * | 1998-03-27 | 1999-10-15 | Canon Inc | Manufacture of color filter and its device |
| JP2009190241A (en) * | 2008-02-14 | 2009-08-27 | Seiko Epson Corp | Electrostatic actuator, liquid droplet discharge head and liquid droplet discharge device |
| CN103700685A (en) * | 2013-12-12 | 2014-04-02 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN104123054A (en) * | 2014-07-22 | 2014-10-29 | 昆山龙腾光电有限公司 | Touch display device |
-
2016
- 2016-12-26 CN CN201611217651.1A patent/CN106483705B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11281810A (en) * | 1998-03-27 | 1999-10-15 | Canon Inc | Manufacture of color filter and its device |
| JP2009190241A (en) * | 2008-02-14 | 2009-08-27 | Seiko Epson Corp | Electrostatic actuator, liquid droplet discharge head and liquid droplet discharge device |
| CN103700685A (en) * | 2013-12-12 | 2014-04-02 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN104123054A (en) * | 2014-07-22 | 2014-10-29 | 昆山龙腾光电有限公司 | Touch display device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932847A (en) * | 2017-03-27 | 2017-07-07 | 友达光电股份有限公司 | Manufacturing method of color filter element and active element substrate |
| CN106932847B (en) * | 2017-03-27 | 2019-06-04 | 友达光电股份有限公司 | Manufacturing method of color filter element and active element substrate |
| WO2019056472A1 (en) * | 2017-09-20 | 2019-03-28 | 武汉华星光电技术有限公司 | Color filter substrate and manufacturing method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106483705B (en) | 2019-06-11 |
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