CN107505756A - A kind of liquid crystal display panel and its manufacture method - Google Patents
A kind of liquid crystal display panel and its manufacture method Download PDFInfo
- Publication number
- CN107505756A CN107505756A CN201710893738.9A CN201710893738A CN107505756A CN 107505756 A CN107505756 A CN 107505756A CN 201710893738 A CN201710893738 A CN 201710893738A CN 107505756 A CN107505756 A CN 107505756A
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- CN
- China
- Prior art keywords
- liquid crystal
- base palte
- array base
- public electrode
- display panel
- 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
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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
-
- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
- G02F1/133788—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation by light irradiation, e.g. linearly polarised light photo-polymerisation
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a kind of liquid crystal display panel and its manufacture method, this method includes：Array base palte and colored filter substrate are provided, the alignment film with vertical orientation function is respectively coated in two substrate surfaces；The liquid crystal containing chemical monomer is injected between two substrates to form liquid crystal layer；Apply predeterminated voltage between two substrates, so that Formation of liquid crystals pre-tilt angle；Ultraviolet light is carried out so that chemical monomer polymerize to form polymer projection, so as to solidify the pre-tilt angle that liquid crystal is formed.By the above-mentioned means, the present invention can be provided simultaneously with the advantages of quick response and high-contrast and wide viewing angle.
Description
Technical field
The present invention relates to field display panel, more particularly to a kind of liquid crystal display panel and its manufacture method.
Background technology
Traditional VA (Vertical Alignment, vertical orientation) display pattern has high contrast, the picture of high-penetration rate
Face shows advantage, but visual angle is smaller, and the problem of picture whitens occurs in the case of big visual angle；And PS-VA (Polymer
Stabilization-Vertical Alignment, polymer stabilizing vertical orientation) design have quick response and height right
The characteristic of ratio, but due to needing to add chemical monomer in PS-VA liquid crystal, in process of alignment, chemical monomer is gathered by ultraviolet light
Conjunction forms polymer bump (polymer salient point), for fixing Formation of liquid crystals pre-tilt angle.Therefore the selection of liquid crystal is by very big
Limitation, very rigors are proposed to processing procedure and material.
Traditional IPS (In-Plane Switching, plane conversion)/FFS (Fringe Field Switching, side
Edge field switch) although characteristic of the display screen with wide viewing angle, contrast is poor, image quality is not so good as VA display screens.
The content of the invention
The present invention solves the technical problem of a kind of liquid crystal display panel preparation method is provided, liquid crystal is enabled to
Show that panel has the advantages of quick response and high-contrast and wide viewing angle.
In order to solve the above technical problems, one aspect of the present invention is：A kind of liquid crystal display panel system is provided
Method is made, including：Array base palte and colored filter substrate are provided, wherein, the array base palte is plane conversion (In-Plane
Switching, IPS) substrate or fringe field switching (Fringe Field Switching, FFS) substrate；In the array base
The alignment film with vertical orientation function is respectively coated on plate and the colored filter substrate；In the array base palte and described
Liquid crystal is injected between colored filter substrate to form liquid crystal layer, wherein, contain chemical monomer in the liquid crystal；In the array
Apply predeterminated voltage between substrate and the colored filter substrate so that the liquid crystal be inclined at an angle it is pre- so as to be formed
Inclination angle；Ultraviolet light is carried out so that the chemical monomer polymerize to form polymer projection, is formed so as to solidify the liquid crystal
Pre-tilt angle.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of liquid crystal display panel is provided,
Including：Array base palte, wherein, the array base palte is plane conversion (In-Plane Switching, IPS) substrate or edge
Field switch (Fringe Field Switching, FFS) substrate；Colored filter substrate, it is oppositely arranged with the array base palte；
Liquid crystal layer, it is arranged between the array base palte and the colored filter substrate, and the containing of liquid crystal in the liquid crystal layer
Learn monomer and polymerize formed polymer projection；Wherein, the liquid crystal display panel is when pre-configured, the array base palte and institute
State and apply predeterminated voltage between colored filter substrate, so that the liquid crystal is inclined at an angle so as to form pre-tilt angle, and
Ultraviolet light is carried out so that the chemical monomer polymerize to form polymer projection, so as to solidify the pre-dumping that the liquid crystal is formed
Angle.
The beneficial effects of the invention are as follows：The situation of prior art is different from, the present invention can make it that liquid crystal display panel is same
When possess the advantages of quick response and high-contrast and wide viewing angle.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the embodiment of liquid crystal display panel preparation method of the present invention；
Fig. 2 is the structural representation of array base palte in liquid crystal display panel embodiment of the present invention；
Fig. 3 is the structural representation of colored filter in liquid crystal display panel embodiment of the present invention；
Fig. 4 is that liquid crystal display panel embodiment of the present invention is coated with the structural representation after alignment film in the fabrication process；
Fig. 5 is that liquid crystal display panel embodiment of the present invention is injected into the later structural representation of liquid crystal in the fabrication process；
Fig. 6 is that liquid crystal display panel embodiment of the present invention is applied in the later structural representation of predeterminated voltage in the fabrication process
Figure；
Fig. 7 is the schematic diagram for the contact potential series that the embodiment of liquid crystal display panel preparation method of the present invention applies；
Fig. 8 is that liquid crystal display panel embodiment of the present invention receives the later structural representation of ultraviolet light in the fabrication process
Figure；
Fig. 9 is the status architecture schematic diagram of liquid crystal display panel embodiment of the present invention in the dark state；
Figure 10 is the status architecture schematic diagram of liquid crystal display panel embodiment of the present invention in the bright state.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Referring to Fig. 1, Fig. 1 is the schematic flow sheet of the embodiment of liquid crystal display panel preparation method of the present invention, the present invention
The flow of the embodiment of liquid crystal display panel preparation method comprises the following steps：
Step 101：Array base palte and colored filter substrate are provided, wherein, the array base palte is plane conversion (In-
Plane Switching, IPS) substrate or fringe field switching (Fringe Field Switching, FFS) substrate；
Fig. 2 is please referred to, Fig. 2 is the structural representation of colored filter in liquid crystal display panel embodiment of the present invention.
The second public electrode 13 is provided with colored filter 11, the second public electrode 13 can be set in whole face on colored filter 11
Put.
Fig. 3 is please referred to, Fig. 3 is the structural representation of array base palte in liquid crystal display panel embodiment of the present invention.Battle array
Row substrate 12 is provided with the first public electrode 14 upper, there is a layer insulating 141 on the first public electrode 14.Pixel electrode 15
On insulating barrier 141.Wherein, the first public electrode 14 can be that whole face is set, and pixel electrode 15 is strip, in insulating barrier
The parallel distribution in gap on 141.Certainly, it will be understood by those skilled in the art that in other embodiments, the first public electrode
14 can also be multiple strip shaped electric poles, and it is accordingly distributed on the substrate 12 with pixel electrode 15.In the present embodiment, with FFS
Type substrate exemplified by array base palte as being introduced, and still, in other embodiments, array base palte can also use IPS types
Substrate.
Step 102：It is respectively coated on the array base palte and the colored filter substrate with vertical orientation function
Alignment film；
Fig. 4 is please referred to, Fig. 4 is after liquid crystal display panel embodiment of the present invention is coated with alignment film in the fabrication process
Structural representation.Alignment film 191 and 192 is coated on the relative face of array base palte and colored filter.Liquid crystal molecule exists
Meeting arrangement at random under nature, alignment film are used for orientation and the angle for controlling liquid crystal molecule.Upper and lower two layers with vertical
The alignment film of straight orientation function is used to control liquid crystal molecule to be arranged vertically in the case where being not added with electric field, to facilitate subsequent processes
It is smoothed out.
Step 103：Liquid crystal is injected between the array base palte and the colored filter substrate to form liquid crystal layer, its
In, contain chemical monomer in the liquid crystal；
Fig. 5 is please referred to, Fig. 5 is that liquid crystal display panel embodiment of the present invention is injected into after liquid crystal in the fabrication process
Structural representation.Due to the effect of upper and lower two layers of alignment film, the state of vertical arrangement is presented in liquid crystal molecule 16.Liquid crystal molecule 16
For negative liquid crystal, negative liquid crystal refers to that the dielectric constant in long axis of liquid crystal molecule direction is less than the dielectric constant in molecular short-axis direction
One type of liquid crystal molecule.Vertical electric field direction arranges negative liquid crystal in the electric field.Therefore when liquid crystal display panel works, liquid crystal point
Son 16 is horizontal is poured between array base palte 12 and colored filter 11.Chemical monomer 17 is mixed with liquid crystal molecule 16,
Chemical monomer 17 can polymerize to form polymer bumps after by ultraviolet light.
Step 104：Apply predeterminated voltage between the array base palte and the colored filter substrate, so that the liquid
Crystalline substance is inclined at an angle so as to form pre-tilt angle；
Please refer to Fig. 6, it is later that Fig. 6 is that liquid crystal display panel embodiment is applied in predeterminated voltage in the fabrication process
Structural representation.First public electrode 14 and pixel electrode 15 are grounded or connect simultaneously 0V low potential, the second public electrode 13
A voltage is accessed, absolute value of voltage 10V, can be 15V, 20V, 25V etc. in other embodiments.In the present embodiment,
Voltage can incrementally increase 10V by 0V, such as shown in Fig. 7.In other embodiments, the amplitude that voltage increases is not necessarily
It is as shown in Figure 7 with the time into fixed ratio, it is only necessary to incrementally increase, the amplitude of increase need not be fixed in the unit interval
Value.
And the first public electrode 14 and the voltage of pixel electrode 15 now is 0V, therefore array base palte 12 and colored filter
The effect of liquid crystal molecule 16 between 11 in the second public electrode 13 and the voltage difference of the first public electrode 14 and pixel electrode 15
Under progressively tilt, inclined angle is directly proportional to the size of voltage difference, and voltage difference is bigger, and angle of inclination is bigger.Therefore can root
According to the peak value of voltage in the size adjustment contact potential series of required pre-tilt angle.
Because liquid crystal molecule 16 is negative liquid crystal, the second public electrode 13 and the first public electrode 14 and pixel are directed to
The electric field that electrode 15 is formed, liquid crystal molecule 16 is that level is poured between array base palte 12 and colored filter 11.
Step 105：Ultraviolet light is carried out so that the chemical monomer polymerize to form polymer projection, described in solidifying
The pre-tilt angle that liquid crystal is formed；
Fig. 7 is please referred to, Fig. 7 is that liquid crystal display panel embodiment of the present invention receives ultraviolet light in the fabrication process
Later structural representation.After step 104, maintenance voltage sequence is constant in its peak value, for example, voltage incrementally increase to
After 10V, maintain that 10V is constant, then liquid crystal molecule 16 maintains a fixed angle not in the presence of fixed voltage difference 10V
Become, this angle is default pre-tilt angle, now carries out ultraviolet light to liquid crystal display panel.
Original chemical monomer 17 being blended in liquid crystal molecule 16 aggregates into polymer bumps under the irradiation of ultraviolet light
18, solidify the pre-tilt angle angle of liquid crystal molecule 16.
By foregoing description, the embodiment of the present invention forms polymer bumps, solidification liquid crystal point by using polymer
The pre-tilt angle of son, accelerate the reaction speed of liquid crystal display panel, and liquid crystal molecule is as level is toppled in IPS or FFS screens
Between array base palte and colored filter, the contrast at big visual angle is high, and display effect is good.
Also referring to Fig. 9, Figure 10, Fig. 9 is that the status architecture of liquid crystal display panel embodiment of the present invention in the dark state shows
It is intended to, Figure 10 is the status architecture schematic diagram of liquid crystal display panel embodiment of the present invention in the bright state.
In dark-state, the first public electrode 14,15 and second public electrode of pixel electrode, 13 equal no power, therefore voltage is all
It is 0V, now liquid crystal does not deflect, with certain pre-dumping overturning angle.
In on state of, still ground connection or 0V low potential, pixel are electric for the first public electrode 14 and the second public electrode 13
Pole 15 receives to show signal.Pixel electrode 15, which receives display signal, typically can all be in high potential.
Pixel electrode 15, the second public electrode 13 and the first public electrode 14 form voltage difference, because pixel electrode 15 is simultaneously
Non- whole EDS maps, but strip distribution is presented, there is certain gap centre, therefore in the electric field line of the edge of pixel electrode 15
And it is non-perpendicular, but symmetrical camber line as illustrated in the drawing, in the presence of these electric field lines, the liquid in region I and region II
Brilliant molecule 16 rotates in symmetry, because liquid crystal molecule 16 is negative liquid crystal, liquid crystal molecule 16 is that level is poured over array
Between substrate 12 and colored filter 11.And because the chemical monomer polymerization in liquid crystal layer forms polymer projection, therefore can
To form multiple farmlands being mutually symmetrical.From any incline direction, a farmland and farmland corresponding thereto always form complementation, and
And inclined degree and complementarity also agree with, the homogeneity of the display of such LCDs just shows excellent.
After closing power supply, LCDs returns to dark-state again, and the arrangement of liquid crystal molecule returns to shape as shown in Figure 9 again
State.
By foregoing description, the liquid crystal molecule in liquid crystal display panel of the invention has had been provided with certain angle
Pre-tilt angle, therefore reaction speed is fast, liquid crystal molecule horizontal tilt simultaneously rotates, and can effectively improve contrast and enhancing big
Display effect in the case of visual angle.
Prior art is different from, VA display screen visible angles are small, and IPS, FFS display screen reaction time are grown, present invention fusion
The advantages of VA display screens and IPS, FFS display screen, liquid crystal molecule possesses certain angle in the presence of polymer bumps
Pre-tilt angle, reaction speed are accelerated, and liquid crystal molecule is that level is poured between array base palte and colored filter, under big visual angle
Contrast it is high, and colour cast is smaller, thus the liquid crystal display panel of the present invention be provided simultaneously with quick response and high-contrast and
The advantages of wide viewing angle.
Embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this
The equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, it is included within the scope of the present invention.
Claims (10)
- A kind of 1. manufacture method of liquid crystal display panel, it is characterised in that including：Array base palte and colored filter substrate are provided, wherein, the array base palte is plane conversion (In-Plane Switching, IPS) substrate or fringe field switching (Fringe Field Switching, FFS) substrate；The alignment film with vertical orientation function is respectively coated on the array base palte and the colored filter substrate；Liquid crystal is injected between the array base palte and the colored filter substrate to form liquid crystal layer, wherein, the liquid crystal In contain chemical monomer；Apply predeterminated voltage between the array base palte and the colored filter substrate, so that the liquid crystal is at a certain angle Tilt so as to form pre-tilt angle；Ultraviolet light is carried out so that the chemical monomer polymerize to form polymer projection, is formed so as to solidifying the liquid crystal Pre-tilt angle.
- 2. according to the method for claim 1, it is characterised in that the array base palte includes multiple pixels electricity of array arrangement Pole and at least one first public electrode；And the colored filter substrate includes the second public electrode, second public electrode It is relative with the pixel electrode and first public electrode.
- 3. according to the method for claim 2, it is characterised in that the multiple pixel electrode is arranged on first common electrical On pole.
- 4. according to the method for claim 2, it is characterised in that when the array base palte and the colored filter substrate it Between when applying predeterminated voltage, the pixel electrode and first public electrode ground connection, and the predeterminated voltage be applied to it is described Between second public electrode and the pixel electrode and first public electrode.
- 5. according to the method for claim 4, it is characterised in that the predeterminated voltage gradually increases to one from 0V and preset admittedly Determine magnitude of voltage.
- 6. according to the method for claim 1, it is characterised in that the liquid crystal is negative liquid crystal.
- A kind of 7. liquid crystal display panel, it is characterised in that including：Array base palte, wherein, the array base palte is plane conversion (In-Plane Switching, IPS) substrate or edge Field switch (Fringe Field Switching, FFS) substrate；Colored filter substrate, it is oppositely arranged with the array base palte；Liquid crystal layer, it is arranged between the array base palte and the colored filter substrate, and the liquid crystal in the liquid crystal layer contains There is chemical monomer to polymerize formed polymer projection；Wherein, the liquid crystal display panel applies between the array base palte and the colored filter substrate when pre-configured Predeterminated voltage, so that the liquid crystal is inclined at an angle so as to form pre-tilt angle, and ultraviolet light is carried out so that describedization Learn monomer to polymerize to form polymer projection, so as to solidify the pre-tilt angle that the liquid crystal is formed.
- 8. liquid crystal display panel according to claim 7, it is characterised in thatThe array base palte includes the multiple pixel electrodes and at least one first public electrode of array arrangement；And the colorized optical filtering Plate base includes the second public electrode, and second public electrode is relative with the pixel electrode and first public electrode.
- 9. liquid crystal display panel according to claim 7, it is characterised in that the multiple pixel electrode is arranged on described On one public electrode.
- 10. liquid crystal display panel according to claim 7, it is characterised in that the liquid crystal is negative liquid crystal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710893738.9A CN107505756A (en) | 2017-09-27 | 2017-09-27 | A kind of liquid crystal display panel and its manufacture method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710893738.9A CN107505756A (en) | 2017-09-27 | 2017-09-27 | A kind of liquid crystal display panel and its manufacture method |
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| CN107505756A true CN107505756A (en) | 2017-12-22 |
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| CN201710893738.9A Pending CN107505756A (en) | 2017-09-27 | 2017-09-27 | A kind of liquid crystal display panel and its manufacture method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267898A (en) * | 2018-01-16 | 2018-07-10 | 深圳市华星光电技术有限公司 | Improve the method for the orientation effect of auto-orientation liquid crystal |
| CN109946883A (en) * | 2019-04-24 | 2019-06-28 | 深圳市华星光电技术有限公司 | Polymer stabilizing homeotropic liquid crystal display panel and its manufacturing method |
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| US20170075173A1 (en) * | 2015-09-15 | 2017-03-16 | Samsung Display Co. Ltd. | Alignment layer composition, liquid crystal display including the same, and method of manufacturing the liquid crystal display |
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Application publication date: 20171222 |