CN108628034A - A kind of preparation method of color membrane substrates, liquid crystal display panel and color membrane substrates - Google Patents
A kind of preparation method of color membrane substrates, liquid crystal display panel and color membrane substrates Download PDFInfo
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- CN108628034A CN108628034A CN201810515179.2A CN201810515179A CN108628034A CN 108628034 A CN108628034 A CN 108628034A CN 201810515179 A CN201810515179 A CN 201810515179A CN 108628034 A CN108628034 A CN 108628034A
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- underlay substrate
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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
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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
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- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Optical Filters (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention provides a kind of color membrane substrates, including underlay substrate；The black matrix" being set on underlay substrate, and the gap between two neighboring black matrix" is transparent area in the view field of underlay substrate；The color light resistance layer being covered on the transparent area and black matrix" of underlay substrate, the color light resistance layer include RGB color photoresist；The protective layer being covered in color light resistance layer；The spacer being set on protective layer；Further include：It is set in the transparent area of underlay substrate and is doped in the light transmitting particles among the R colors photoresist, G colors photoresist, B color photoresists of color light resistance layer in one or more, and be formed in light transmitting particles and the light extraction in color light resistance layer towards underlay substrate direction be subjected to polymerization and focusing illumination improves the light collecting part of underlay substrate light transmittance on underlay substrate.Implement the present invention, light transmittance is further increased on traditional color membrane substrates to reduce the loss of backlight module light extraction so that liquid crystal display panel is more energy saving and the color that presents is more abundant.
Description
Technical field
The present invention relates to a kind of technical field of liquid crystal display more particularly to color membrane substrates, liquid crystal display panel and color film bases
The preparation method of plate.
Background technology
The structure of liquid crystal display panel is mainly by a thin film transistor (TFT) array（Thin Film Transistor
Array, TFT Array）Substrate, a chromatic photoresist piece（Color Filter, CF）Substrate and the liquid being configured between two substrates
Crystal layer（Liquid Crystal Layer）It is constituted, operation principle is by applying driving voltage on two panels glass substrate
Come control liquid crystal layer liquid crystal molecule LC rotation, by the light refraction of backlight module out generate picture.
As shown in Figure 1, in the prior art, the important component of color is presented as liquid crystal display panel for CF substrates, mainly
Including underlay substrate 1/, black matrix"（BM）2/, color light resistance layer（RGB）3/, protective layer（OC）4/And spacer（PS）5/；Its
In, black matrix" 2/Light extraction for blocking adjacent picture element, in case color mixes；Color light resistance layer 3//For to backlight module
Light extraction（Such as white light）In other component colors in addition to RGB color absorbed, only allow to come to LCD through RGB color
Display color is provided；Protective layer 4/For protecting color light resistance layer 3//Upper RGB color surface, prevents ion releasing from polluting, simultaneously
Make color light resistance layer 3//Planarization so that spacer 5/The height that follow-up process goes out is more uniform；Spacer 5/It is used to support TFT
Substrate, and ensure the thickness of liquid crystal layer.
But inventor has found, the light transmittance of existing CF substrates needs to be further increased to reduce backlight module light extraction
Loss so that liquid crystal display panel is more energy saving and the color that presents is more abundant.
Invention content
Technical problem to be solved of the embodiment of the present invention is, provides a kind of color membrane substrates, liquid crystal display panel and coloured silk
The preparation method of ilm substrate, further increases light transmittance to reduce the loss of backlight module light extraction on traditional color membrane substrates,
So that liquid crystal display panel is more energy saving and the color presented is more abundant.
In order to solve the above-mentioned technical problem, an embodiment of the present invention provides a kind of color membrane substrates, including：
Underlay substrate；
The black matrix" being set on the underlay substrate；Wherein, the black matrix" is discrete is distributed on the underlay substrate,
And the gap between two neighboring black matrix" is disposed as the underlay substrate in the projected area that the underlay substrate is formed
Transparent area；
The color light resistance layer being covered on the transparent area and the black matrix" of the underlay substrate；Wherein, the chromatic photoresist
Layer include fill it is black to adjacent two are extended respectively in a corresponding transparent area and along the both sides for the transparent area filled
R colors photoresist, G colors photoresist in colour moment battle array and B color photoresists；
The protective layer being covered in the color light resistance layer；And
The spacer being set on the protective layer；
Wherein, further include：
It is set in the transparent area of the underlay substrate and is doped in the R colors photoresist, G colors photoresist, B of the color light resistance layer
Light transmitting particles among color photoresist in one or more, and be formed in the light transmitting particles by the color light resistance layer direction
The light extraction in the underlay substrate direction carries out polymerization and focusing illumination, and that the underlay substrate is improved on the underlay substrate is saturating
The light collecting part of light rate.
Wherein, the one end of the light transmitting particles far from the underlay substrate is formed with the light collecting part, and the light collecting part
It is the protrusion that the one end of the light transmitting particles far from the underlay substrate is extended along the separate underlay substrate direction.
Wherein, the protrusion is along the semi-round ball to arch upward far from the underlay substrate direction.
Wherein, the light transmitting particles are made by high grade of transparency photoresist, and the high grade of transparency photoresist includes
Polymetylmethacrylate, polyimides PI and polyethylene terephthalate PET.
Wherein, the underlay substrate is by a kind of transparent substrate being made among glass, quartz, transparent plastic.
The embodiment of the present invention additionally provides a kind of liquid crystal display panel, including color membrane substrates above-mentioned.
The embodiment of the present invention provides a kind of preparation method of color membrane substrates again, includes the following steps：
One underlay substrate is provided；
It is distributed in black matrix" is discrete on the underlay substrate, and by the gap between two neighboring black matrix" in the lining
Transparent area of the projected area formed on substrate as the underlay substrate；
Light transmitting particles are set in the transparent area of the underlay substrate；Wherein, it is formed with light collecting part in the light transmitting particles；
It is covered with color light resistance layer on the transparent area of the black matrix" and the underlay substrate；Wherein, the chromatic photoresist
R colors photoresist, G colors photoresist and the B colors photoresist of layer are filled in a corresponding transparent area and along the transparent area filled
Both sides extend respectively on two adjacent black matrix"s, and the R colors photoresist of the color light resistance layer, G colors photoresist, B
One or more is doped with the light transmitting particles among color photoresist so that the color light resistance layer is towards the underlay substrate side
To light collecting part of the light extraction through the light transmitting particles polymerize and focusing illumination on the underlay substrate；
Protective layer is covered in the color light resistance layer, and spacer further is set on the protective layer.
Wherein, specific steps of the setting light transmitting particles in the transparent area of the underlay substrate include：
One high grade of transparency photoresist is provided；
The high grade of transparency photoresist, which is made, becomes the liquid with certain surface tension, and using the side of ink-jet or sedimentation
Formula will be on the liquid discrete transparent area for being distributed in the underlay substrate of high grade of transparency photoresist and the black matrix"；Its
In, the liquid high grade of transparency photoresist because its surface tension can far from the underlay substrate one end be formed with
The underlay substrate has the protrusion of certain angular relationship；
Prebake conditions certain time is carried out to the liquid high grade of transparency photoresist；
The liquid high grade of transparency photoresist after the prebake conditions on the black matrix" is carried out using transparent light shield
After exposure, development and removal processing, it is reserved with the high grade of transparency photoresist in the transparent area of the underlay substrate；
Baking-curing processing is carried out to the pre- high grade of transparency photoresist stayed, is obtained positioned at the saturating of the underlay substrate
Light transmitting particles in light area；Wherein, the light collecting part of the light transmitting particles is the protrusion after curing process.
Wherein, the high grade of transparency photoresist includes polymetylmethacrylate, polyimides PI and gathers to benzene
Dioctyl phthalate second diester PET.
Wherein, the underlay substrate is by a kind of transparent substrate being made among glass, quartz, transparent plastic.
Implement the embodiment of the present invention, has the advantages that：
Compared with traditional color membrane substrates, the present invention is located at R colors photoresist, the G of the transparent area of underlay substrate in color light resistance layer
It is one or more interior doped with light transmitting particles among color photoresist, B color photoresists, have using the light collecting part in light transmitting particles convex
The focusing light effect of lens, the light extraction in color light resistance layer towards underlay substrate direction can polymerize and focusing illumination is in substrate
Underlay substrate light transmittance is improved on substrate, to further improve light transmittance, is reduced the loss of backlight module light extraction, is made
Liquid crystal display panel is more energy saving and the color that presents is more abundant.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, according to
These attached drawings obtain other attached drawings and still fall within scope of the invention.
Fig. 1 is the sectional view of color membrane substrates in the prior art；
Fig. 2 is the sectional view of the color membrane substrates provided in the embodiment of the present invention one；
Fig. 3 is the flow chart of the preparation method of color membrane substrates in the embodiment of the present invention three；
The application scenario diagram that Fig. 4 is step S3 in the preparation method of color membrane substrates in the embodiment of the present invention three；Wherein, a- light transmissions
Application scenario diagram of the grain before exposure, development treatment；Application scenario diagram of the b- light transmitting particles after overexposure, development treatment；1-
Underlay substrate, 2- black matrix"s, 6- light transmitting particles.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing
Step ground detailed description.
As shown in Fig. 2, in the embodiment of the present invention one, a kind of color membrane substrates provided, including：
Underlay substrate 1, the transparent substrate or translucent base that the underlay substrate 1 use glass, quartz, transparent plastic etc. are made
Plate；
The black matrix" 2 being set on underlay substrate 1；Wherein, black matrix" 2 is made not guide-lighting using inorganic material
Shelter；Black matrix" 2 is discrete to be distributed on underlay substrate 1, and the gap between two neighboring black matrix" 2 is in underlay substrate
The projected area of 1 formation is the transparent area of underlay substrate 1；
The color light resistance layer 3 being covered on the transparent area and black matrix" 2 of underlay substrate 1；Wherein, color light resistance layer 3 includes equal
It is extended respectively on two adjacent black matrix"s 2 in filling to a corresponding transparent area and along the both sides for the transparent area filled
R colors photoresist, G colors photoresist and B color photoresists；It should be noted that R colors photoresist, G colors photoresist and B color photoresists
It can also be only limited in the transparent area for being filled in underlay substrate 1, as long as not influencing follow-up process；
The protective layer 4 being covered in color light resistance layer 3, the protective layer 4 are flat using formation such as silicon nitride, silica, silicon oxynitrides
The insulating layer of smoothization；And
The spacer 5 being set on protective layer 4, the spacer 5 are made using polyesters mixture；
Further include：
It is set in the transparent area of underlay substrate 1 and is doped in the R colors photoresist, G colors photoresist, B color of light of color light resistance layer 3
Light transmitting particles 6 among resistance in one or more, and be formed in light transmitting particles 6 by color light resistance layer 3 towards 1 side of underlay substrate
To light extraction carry out polymerization and focusing illumination improves the light collecting part of 1 light transmittance of underlay substrate on underlay substrate 1；Wherein, thoroughly
Light particle 6 is made by high grade of transparency photoresist, and high grade of transparency photoresist includes but not limited to PMMA, PI and PET.
It is first through IFT array bases it is understood that when entering liquid crystal display panel display due to the light extraction of backlight module
Enter color membrane substrates after plate so that the light extraction of color membrane substrates is introduced into color light resistance layer 3 and goes out again by underlay substrate 1, therefore
1 light transmittance of underlay substrate is improved using light transmitting particles 6, it is necessary to the convex lens having using the light collecting part of light transmitting particles 6
The light extraction in color light resistance layer 3 towards 1 direction of underlay substrate polymerize and focusing illumination is on underlay substrate 1 by focusing light effect,
To reduce the loss of backlight module light extraction so that liquid crystal display panel is more energy saving and the color that presents is more abundant.
In the embodiment of the present invention one, it is contemplated that color membrane substrates are layered the light discrepancy direction of processing procedure and color membrane substrates,
Therefore the end face of the light transmitting particles 6 towards one end of underlay substrate 1 can be in contact with the transparent area of underlay substrate 1 and be set as flat
Face, and the one end of the light transmitting particles 6 far from underlay substrate 1 can form light collecting part, which is light transmitting particles 6 far from substrate base
One end of plate 1 is formed centainly along the protrusion extended far from 1 direction of underlay substrate using the transparent area of protrusion and underlay substrate 1
Angle so that light collecting part has convex lens focusing light effect.
In the embodiment of the present invention one, due to consideration that light transmitting particles 6 to be prepared into the pattern of convex lens, therefore by protrusion
It is set as along the semi-round ball to arch upward far from 1 direction of underlay substrate.
Corresponding to the color membrane substrates in the embodiment of the present invention one, a kind of liquid crystal display is additionally provided in the embodiment of the present invention two
Color membrane substrates in panel, including the embodiment of the present invention one.Due to the color membrane substrates and present invention reality in the embodiment of the present invention two
Color membrane substrates structure having the same and the connection relation in example one are applied, the color film base in the embodiment of the present invention one is specifically referred to
Plate, therefore this is no longer going to repeat them.
As shown in figure 3, in the embodiment of the present invention three, a kind of preparation method of the color membrane substrates provided, including following step
Suddenly：
Step S1, one underlay substrate is provided；
Detailed process is to provide one by a kind of transparent substrate being made or translucent base among glass, quartz, transparent plastic
Plate is as underlay substrate.
Step S2, it is distributed in black matrix" is discrete on the underlay substrate, and will be between two neighboring black matrix"
Transparent area of the projected area that gap is formed on the underlay substrate as the underlay substrate；
Detailed process is that covering one layer in the upper surface of underlay substrate by chemical vapour deposition technique CVD first can shut out the light
The inorganic material passed through is exposed as barrier bed, and after smearing a layer photoresist on barrier bed by using transparent light shield
Light so that the photoetching offset plate figure of barrier bed turns to required photoresist pattern；Secondly, pass through dry etching process（Such as using etching
Gas SF6, Cl2, CF4, Ar and NF3 etc.）It is lost to corresponding to the region not being covered by photoresist in photoresist pattern on barrier bed
It carves；Then, pass through wet etching processing procedure（Such as use the akaline liquid NaOH of high concentration）To the photoresist pattern on barrier bed into
Row stripping, to obtain the discrete black matrix" being distributed on underlay substrate.At this point, black matrix" is discrete to be distributed in underlay substrate
On, there are the projected area of certain interval and gap correspondence on underlay substrate to be used as substrate base between two neighboring black matrix"
The transparent area of plate.
Step S3, setting light transmitting particles are in the transparent area of the underlay substrate；Wherein, it is formed in the light transmitting particles
Light collecting part；
Detailed process is to provide a high grade of transparency photoresist, the high grade of transparency photoresist include but not limited to PMMA, PI and
PET；
High grade of transparency photoresist, which is made, becomes the liquid with certain surface tension, and will by the way of ink-jet or sedimentation
Liquid high grade of transparency photoresist is discrete to be distributed on the transparent area and black matrix" of underlay substrate（As shown in a in Fig. 4）；
Wherein, liquid high grade of transparency photoresist utilizes the surface tension of itself, can be formed on one end far from underlay substrate
Have and form the protrusion with certain angular relationship with underlay substrate, which has had been provided with convex lens focusing light effect；
Liquid high grade of transparency photoresist is carried out prebake conditions certain time, such as using the baking 10 minutes of 30 degree of medium temperature；
The liquid high grade of transparency photoresist after the prebake conditions on black matrix" is exposed using transparent light shield,
After development and removal processing, it is reserved with the high grade of transparency photoresist in the transparent area of underlay substrate（Such as b institutes in Fig. 4
Show）；For example, a layer photoresist is smeared on underlay substrate, black matrix" and high grade of transparency photoresist first, and using saturating
Mingguang City's cover is exposed so that photoetching offset plate figure turns to required photoresist pattern；Secondly, pass through dry etching process（As used
Etching gas SF6, Cl2, CF4, Ar and NF3 etc.）The region not being covered by photoresist in photoresist pattern is etched, i.e., it will be black
High grade of transparency photoresist in colour moment battle array etches away；Then, pass through wet etching processing procedure（Such as use the akaline liquid of high concentration
NaOH etc.）Photoresist pattern is removed, the high grade of transparency photoresist in the transparent area of underlay substrate can be obtained；
Baking-curing processing is carried out to the high grade of transparency photoresist stayed in advance, such as using the solidification 30 minutes of 100 degree of high temperature, is obtained
To the light transmitting particles in the transparent area of underlay substrate, the light collecting part of light transmitting particles is the protrusion after curing process at this time.
Step S4, it is covered with color light resistance layer on the transparent area of the black matrix" and the underlay substrate；Wherein, institute
The R colors photoresist, G colors photoresist and B colors photoresist for stating color light resistance layer are filled in a corresponding transparent area and along being filled out
The both sides of the transparent area filled extend respectively on two adjacent black matrix"s, and R colors photoresist, the G of the color light resistance layer
One or more is doped with the light transmitting particles among color photoresist, B color photoresists so that the color light resistance layer is described in
Light collecting part of the light extraction in underlay substrate direction through the light transmitting particles polymerize and focusing illumination is on the underlay substrate；
Detailed process is to cover colourama on the transparent area of black matrix" and underlay substrate using physical vaporous deposition PVD
Resistance layer so that R colors photoresist, G colors photoresist and the B colors photoresist of color light resistance layer fill in a corresponding transparent area simultaneously
It is extended respectively on two adjacent black matrix"s along the both sides for the transparent area filled, and the R colors photoresist of color light resistance layer,
One or more is doped with light transmitting particles among G colors photoresist, B color photoresists so that color light resistance layer is towards underlay substrate side
To light collecting part of the light extraction through light transmitting particles polymerize and focusing illumination on the underlay substrate.
Step S5, protective layer is covered in the color light resistance layer, and interval is further set on the protective layer
Column.
Detailed process is to smear and cover one layer of silicon nitride, oxygen in color light resistance layer by chemical vapour deposition technique CVD
A kind of protective layer forming planarization among SiClx, silicon oxynitride, and further by chemical vapour deposition technique CVD in protective layer
It smears and covers a strata ester mixture and form grey stratum, and the ash stratum is by using making black matrix" in step S2
Same way obtains spacer.
Implement the embodiment of the present invention, has the advantages that：
Compared with traditional color membrane substrates, the present invention is located at R colors photoresist, the G of the transparent area of underlay substrate in color light resistance layer
It is one or more interior doped with light transmitting particles among color photoresist, B color photoresists, have using the light collecting part in light transmitting particles convex
The focusing light effect of lens, the light extraction in color light resistance layer towards underlay substrate direction can polymerize and focusing illumination is in substrate
Underlay substrate light transmittance is improved on substrate, to further improve light transmittance, is reduced the loss of backlight module light extraction, is made
Liquid crystal display panel is more energy saving and the color that presents is more abundant.
It is above disclosed to be only a preferred embodiment of the present invention, the power of the present invention cannot be limited with this certainly
Sharp range, therefore equivalent changes made in accordance with the claims of the present invention, are still within the scope of the present invention.
Claims (10)
1. a kind of color membrane substrates, including：
Underlay substrate（1）；
It is set to the underlay substrate（1）On black matrix"（2）；Wherein, the black matrix"（2）It is discrete to be distributed in the lining
Substrate（1）On, and two neighboring black matrix"（2）Between gap in the underlay substrate（1）The projected area of formation is all provided with
It is set to the underlay substrate（1）Transparent area；
It is covered in the underlay substrate（1）Transparent area and the black matrix"（2）On color light resistance layer（3）；Wherein, described
Color light resistance layer（3）Phase is extended respectively to including filling in a corresponding transparent area and along the both sides for the transparent area filled
Two adjacent black matrix"s（2）On R colors photoresist, G colors photoresist and B color photoresists；
It is covered in the color light resistance layer（3）On protective layer（4）；And
It is set to the protective layer（4）On spacer（5）；
It is characterized in that, further including：
It is set to the underlay substrate（1）Transparent area in and be doped in the color light resistance layer（3）R colors photoresist, G colors
Light transmitting particles among photoresist, B color photoresists in one or more（6）, and the light transmitting particles（6）On be formed with the coloured silk
Coloured light resistance layer（3）Towards the underlay substrate（1）The light extraction in direction polymerize and focusing illumination is in the underlay substrate（1）On
To improve the underlay substrate（1）The light collecting part of light transmittance.
2. color membrane substrates as described in claim 1, which is characterized in that the light transmitting particles（6）Far from the underlay substrate（1）
One end be formed with the light collecting part, and the light collecting part is the light transmitting particles（6）Far from the underlay substrate（1）One end
Along far from the underlay substrate（1）The protrusion that direction is extended.
3. color membrane substrates as claimed in claim 2, which is characterized in that the protrusion is along far from the underlay substrate（1）Side
To the semi-round ball to arch upward.
4. color membrane substrates as claimed in claim 3, which is characterized in that the light transmitting particles（6）By high grade of transparency photoresist
It is made, the high grade of transparency photoresist includes polymetylmethacrylate, polyimides PI and poly- terephthaldehyde
Sour second diester PET.
5. color membrane substrates as claimed in claim 4, which is characterized in that the underlay substrate（1）For by glass, quartz, transparent
A kind of transparent substrate being made among plastics.
6. a kind of liquid crystal display panel, which is characterized in that include the color membrane substrates as described in any one of claim 1-5.
7. a kind of preparation method of color membrane substrates, which is characterized in that include the following steps：
One underlay substrate is provided；
It is distributed in black matrix" is discrete on the underlay substrate, and by the gap between two neighboring black matrix" in the lining
Transparent area of the projected area formed on substrate as the underlay substrate；
Light transmitting particles are set in the transparent area of the underlay substrate；Wherein, it is formed with light collecting part in the light transmitting particles；
It is covered with color light resistance layer on the transparent area of the black matrix" and the underlay substrate；Wherein, the chromatic photoresist
R colors photoresist, G colors photoresist and the B colors photoresist of layer are filled in a corresponding transparent area and along the transparent area filled
Both sides extend respectively on two adjacent black matrix"s, and the R colors photoresist of the color light resistance layer, G colors photoresist, B
One or more is doped with the light transmitting particles among color photoresist so that the color light resistance layer is towards the underlay substrate side
To light collecting part of the light extraction through the light transmitting particles polymerize and focusing illumination on the underlay substrate；
Protective layer is covered in the color light resistance layer, and spacer further is set on the protective layer.
8. the preparation method of color membrane substrates as claimed in claim 7, which is characterized in that the setting light transmitting particles are in the lining
Specific steps in the transparent area of substrate include：
One high grade of transparency photoresist is provided；
The high grade of transparency photoresist, which is made, becomes the liquid with certain surface tension, and using the side of ink-jet or sedimentation
Formula will be on the liquid discrete transparent area for being distributed in the underlay substrate of high grade of transparency photoresist and the black matrix"；Its
In, the liquid high grade of transparency photoresist because its surface tension can far from the underlay substrate one end be formed with
The underlay substrate has the protrusion of certain angular relationship；
Prebake conditions certain time is carried out to the liquid high grade of transparency photoresist；
The liquid high grade of transparency photoresist after the prebake conditions on the black matrix" is carried out using transparent light shield
After exposure, development and removal processing, it is reserved with the high grade of transparency photoresist in the transparent area of the underlay substrate；
Baking-curing processing is carried out to the pre- high grade of transparency photoresist stayed, is obtained positioned at the saturating of the underlay substrate
Light transmitting particles in light area；Wherein, the light collecting part of the light transmitting particles is the protrusion after curing process.
9. the preparation method of color membrane substrates as claimed in claim 8, which is characterized in that the high grade of transparency photoresist includes
Polymetylmethacrylate, polyimides PI and polyethylene terephthalate PET.
10. the preparation method of color membrane substrates as claimed in claim 7, which is characterized in that the underlay substrate is by glass, stone
A kind of transparent substrate being made among English, transparent plastic.
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| CN201810515179.2A CN108628034B (en) | 2018-05-25 | 2018-05-25 | Color film substrate, liquid crystal display panel and preparation method of color film substrate |
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| CN201810515179.2A CN108628034B (en) | 2018-05-25 | 2018-05-25 | Color film substrate, liquid crystal display panel and preparation method of color film substrate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110707235A (en) * | 2019-09-19 | 2020-01-17 | 武汉华星光电半导体显示技术有限公司 | Display panel, display device and preparation method of display panel |
Citations (20)
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