CN106918955A - A kind of smooth alignment apparatus and method, liquid crystal display panel - Google Patents
A kind of smooth alignment apparatus and method, liquid crystal display panel Download PDFInfo
- Publication number
- CN106918955A CN106918955A CN201710330513.2A CN201710330513A CN106918955A CN 106918955 A CN106918955 A CN 106918955A CN 201710330513 A CN201710330513 A CN 201710330513A CN 106918955 A CN106918955 A CN 106918955A
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- substrate
- light
- alignment film
- workbench
- 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.)
- Granted
Links
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
- G02F1/1337—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
-
- 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
- G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
Abstract
The embodiment of the present invention provides a kind of smooth alignment apparatus and method, liquid crystal display panel, is related to LCD alignment field, for carrying out orientation to the alignment film on substrate so that the alignment film of the different zones of substrate has different orientation characteristics.Light alignment apparatus include：Polarizing light source and the workbench being arranged on below polarizing light source, workbench is used for bearing substrate, wherein, workbench its table top the anglec of rotation planar it is adjustable, driving substrate to rotate, and/or the anglec of rotation of polarizer in polarizing light source in its residing plane is adjustable.Light alignment apparatus also include shading piece, and shading piece is arranged between workbench and polarizing light source, and the shading status of shading piece is variable, and shading piece is blocked under different shading status for the different zones to substrate.Light alignment apparatus are used to carry out light allocating process to the alignment film on substrate.
Description
Technical field
The present invention relates to LCD alignment field, more particularly to a kind of smooth alignment apparatus and method, liquid crystal display panel.
Background technology
ADS (English names：Advanced-Super Dimensional Switching, Chinese：Senior super Wei Chang
Switch) display pattern, with high-resolution, high transmittance, low-power consumption, wide viewing angle, high aperture, low aberration, without extruding ripples
The advantages of line, TFT-LCD (English names can be improved：Thin Film Transistor Liquid Crystal
Display, Chinese：Thin film transistor-liquid crystal display) product picture quality.
The liquid crystal panel of TFT-LCD mainly includes：The color membrane substrates and array base palte set to box, and in color membrane substrates
The liquid crystal molecule filled and array base palte between.In the manufacturing process of liquid crystal panel, quality of the allocating process to product quality
Important.At present, allocating process generally uses light orientation.Specifically, the color membrane substrates that will first prepare and array base
Plate carries out the polarizing light irradiation of certain orientation respectively, the alignment film on substrate is formed certain inclination angle.
When carrying out allocating process using existing smooth alignment apparatus, what is obtained is the consistent substrate in inclination angle of alignment film, because
The tilt angle of liquid crystal molecule is consistent in this liquid crystal panel using aforesaid substrate formation.When above-mentioned liquid crystal panel is in dark-state,
The light that backlight module is provided cannot pass through liquid crystal molecule, so that liquid crystal panel is presented black state.
Curved surface technique is carried out to above-mentioned liquid crystal panel, the deformation area of substrate is difficult to recover.For example as shown in figure 1, liquid crystal surface
The substrate in Ban Zhong A areas is not deformed upon, and under the supporting role of chock insulator matter, the state in A areas is maintained；The substrate in B areas is deformed upon,
So that the substrate in the area has stress, when stress is more than the pressure in chock insulator matter, chock insulator matter can reduce, when stress is less than dottle pin
During pressure in thing, chock insulator matter can increase.When the deformation of chock insulator matter is larger, the deformation of chock insulator matter is difficult to recover.Liquid crystal panel
Box it is thick relevant with the form of chock insulator matter, when the form generation of chock insulator matter changes, the box of liquid crystal panel is thick also to change, and makes
Obtain the orientation state change of liquid crystal molecule.Meanwhile, there is deformational stress in liquid crystal panel on the substrate in B areas, therefore with photoelastic
Property, the light that backlight module is provided can occur birefringence through when having stress optic substrate.When the stress of substrate is different, through base
The direction of the light after plate birefringence differs.In B areas, because the orientation state of liquid crystal molecule changes, and cannot control
System is incident to the light angle of liquid crystal molecule, under the two collective effect, can cause similar twisted liquid crystal molecules angle increase phenomenon, because
This light may pass through liquid crystal molecule, so that light leakage phenomena occurs in liquid crystal panel.
The content of the invention
Embodiments of the invention provide a kind of smooth alignment apparatus and method, liquid crystal display panel, using light alignment apparatus pair
Alignment film on substrate carries out orientation so that the alignment film of the different zones of substrate has different orientation characteristics.
To reach above-mentioned purpose, embodiments of the invention are adopted the following technical scheme that：
A kind of one side of the embodiment of the present invention, there is provided smooth alignment apparatus, matches somebody with somebody for carrying out light to the alignment film on substrate
To technique, the smooth alignment apparatus include：Polarizing light source and the workbench being arranged on below the polarizing light source, it is described
Workbench is used to carry the substrate, wherein, the workbench its table top institute anglec of rotation planar it is adjustable, with drive
Substrate rotates, and/or the anglec of rotation of polarizer in the polarizing light source in its residing plane is adjustable；The smooth orientation
Device also includes shading piece, and the shading piece is arranged between the workbench and the polarizing light source, the shading piece
Shading status is variable, and the shading piece is blocked under different shading status for the different zones to the substrate.
Optionally, the shading piece includes the first shadow shield and the second shadow shield, and first used in sunshade board is in described
The light-leaking area of substrate is blocked, and second shadow shield is blocked to the non-light-leaking area of the substrate.
Further, the smooth alignment apparatus also include shading piece adjuster, and the shading piece adjuster is used to change screening
Tabula rasa.
Optionally, the smooth alignment apparatus also include Transmission Part, and the workbench is arranged on the Transmission Part, the biography
Defeated part is used to drive the movable workbench.
Optionally, the shading piece is liquid crystal panel or Electrophoretic display panels.
The another aspect of the embodiment of the present invention, there is provided a kind of smooth alignment method, for matching somebody with somebody to the alignment film on substrate
To, including circulate execution following steps at least twice：Control workbench its table top the anglec of rotation planar or polarization
The anglec of rotation of polarizer in radiant in its residing plane, and the shading status of shading piece is controlled, so as to the shading
Part is blocked to the designated area of the alignment film on the substrate, wherein, the workbench can drive and be carried on the work
Substrate rotation on platform；The alignment film being pointed in the designated area using the polarizing light source is irradiated；Wherein, exist
Shading piece is blocked to the different zones of the substrate described in different circulations, and the polarised light described in different circulations
The relatively described worktable rotary of polarizer in light source.
Optionally, the shading piece includes the first shadow shield and the second shadow shield；The shading status of the control shading piece,
So that the shading piece is blocked to the designated area of the alignment film on the substrate, including：Regulation shading piece adjuster, makes
First shadow shield is blocked to the light-leaking area of the substrate, non-light leak area of second shadow shield to the substrate
Blocked in domain；Wherein, the non-leakage is less than by the tilt angle of the liquid crystal molecule of the alignment film orientation in the light-leaking area
The tilt angle of the liquid crystal molecule of the alignment film orientation in light region.
A kind of another aspect of the embodiment of the present invention, there is provided liquid crystal display panel, the liquid crystal display panel includes array
Substrate, to box substrate and it is arranged on the array base palte and to the liquid crystal molecule between box substrate, the array base palte and right
Alignment film is provided with box substrate；Wherein, the tilt angle through the liquid crystal molecule of the alignment film orientation of different zones is different.
Optionally, the liquid crystal display panel includes light-leaking area and non-light-leaking area；Wherein, in the light-leaking area
Liquid crystal point of the tilt angle of the liquid crystal molecule of the alignment film orientation less than the alignment film orientation in the non-light-leaking area
The tilt angle of son.
Optionally, the scope of the tilt angle of the liquid crystal molecule of the alignment film orientation of the non-light-leaking area is 9 ° -11 °.
The embodiment of the present invention provides a kind of smooth alignment apparatus and method, liquid crystal display panel, and light alignment apparatus include：Polarization
Radiant and the workbench being arranged on below polarizing light source, workbench are used for bearing substrate, wherein, workbench is in its table top
The anglec of rotation planar it is adjustable, driving substrate to rotate, and/or polarizer in polarizing light source is in its residing plane
The interior anglec of rotation is adjustable.Light alignment apparatus also include shading piece, and shading piece is arranged between workbench and polarizing light source, hide
The shading status of light part is variable, and shading piece is blocked under different shading status for the different zones to substrate.
Based on this, when light allocating process is carried out using above-mentioned smooth alignment apparatus provided in an embodiment of the present invention, can control
Polarizing light source processed sends the light of fixed-direction, and controls the anglec of rotation of the workbench in its table top, is carried on driving
The substrate of workbench is rotated so that the polarizer in polarizing light source is with respect to worktable rotary；In the case, using inclined
The radiant that shakes is irradiated to alignment film, so that alignment film has a specific inclination angle.Or, control workbench is in its table top
A fixed angle is inside in, so that the substrate being carried on workbench is non-rotatable, and the polarizer in polarizing light source is controlled
The anglec of rotation in its residing plane so that the polarizer in polarizing light source is with respect to worktable rotary；In the case, profit
Alignment film is irradiated with polarizing light source, so that alignment film has a specific inclination angle.Or, can be in control work
Make the anglec of rotation of the platform in its table top, while to drive substrate to be rotated, the polarizer in control polarizing light source exists
The anglec of rotation in its residing plane so that the polarizer in polarizing light source is with respect to worktable rotary；In the case, utilize
Polarizing light source is irradiated to alignment film, so that alignment film has a specific inclination angle.On this basis, shading piece is controlled
Shading status, to cause that shading piece is blocked to the designated area of the alignment film on substrate, so that designated area
Alignment film has a specific inclination angle.Repeat the above steps at least twice, the alignment film at least two regions of substrate can be caused
With different orientation characteristics.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation for matching somebody with somebody the liquid crystal display panel for obtaining backward by existing smooth alignment apparatus；
Fig. 2 is the displaying principle schematic diagram of the liquid crystal display panel produced using the technology of plane field-effect；
The structural representation of a kind of smooth alignment apparatus that Fig. 3 is provided for the present invention；
The light-shielding pattern schematic diagram of three kind of second shadow shield that Fig. 4 a-4c are provided for the present invention；
The structural representation of another light alignment apparatus that Fig. 5 is provided for the present invention；
A kind of smooth alignment method flow chart that Fig. 6 is provided for the present invention；
A kind of structural representation of liquid crystal display panel that Fig. 7 is provided for the present invention.
Reference：
01- light alignment apparatus；10- workbench；20- shading pieces；21- down polaroids；22- upper polaroids；23- array bases
Plate；24- color membrane substrates；25- pixel electrodes；26- public electrodes；27- is to box substrate；The shadow shields of 201- first；202- second hides
Tabula rasa；30- polarizing light sources；31- polarizers；40- Transmission Parts.
Specific 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 is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The problem mentioned in background technology：The liquid crystal display of light allocating process preparation is carried out using existing smooth alignment apparatus
In panel, there is consistent tilt angle through the liquid crystal molecule of alignment film orientation.The liquid crystal produced using the technology of plane field-effect
In display panel, through the liquid crystal molecule of alignment film orientation in the face parallel to substrate, between electrode after applied voltage, make liquid crystal
Molecule rotates in face, to control transit dose of the light in liquid crystal molecule.
Herein, displaying principle of the liquid crystal display panel for being produced to the technology using plane field-effect in dark-state is said
It is bright.As shown in Fig. 2 without applied voltage on pixel electrode 25 and public electrode 26 on array base palte 23；What backlight module was provided
Light is formed in parallel with the linear polarization of liquid crystal molecule short axle, now the left and right sides of liquid crystal molecule through after down polaroid 21
No-voltage, therefore polarization direction can not rotate, in injecting color membrane substrates 24 with same attitude；Due to linear polarization and upper polarisation
The polarizing axis of piece 22 are vertical, therefore linear polarization here is absorbed by upper polaroid 22, thus the light that provides of backlight module without
Method is passed through, and liquid crystal display panel is presented black state.
After curved surface technique is carried out to above-mentioned liquid crystal display panel, as shown in figure 1, the light that backlight module is provided passes through B
Birefringence can occur when there is stress optic substrate in area, therefore the uncontrollable light angle for being incident to liquid crystal molecule；And by
The shape of the chock insulator matter in B areas can change so that the orientation state of the liquid crystal molecule in liquid crystal display panel becomes
Change, under the two collective effect, when the linear polarization through down polaroid 21 is incident to array base palte 23, may be with liquid crystal molecule
Short axle is vertical, so that linear polarization rotates, after linear polarization injects upper polaroid 22 through color membrane substrates 24, straight line
Polarisation may not be vertical with the polarizing axis of upper polaroid 22, causes similar twisted liquid crystal molecules angle increase phenomenon.Now, straight line is inclined
Light can pass through upper polaroid 22, so that the light that backlight module is provided can be passed through, cause liquid crystal display panel to be sent out in dark-state
Raw light leakage phenomena.
In sum, it is desirable to provide a kind of new light alignment apparatus carry out orientation to the alignment film on substrate, with so that base
The alignment film of the different zones of plate has different orientation characteristics, so as to avoid liquid crystal display panel from being sent out by the region of deformational stress
Raw light leakage phenomena.
The embodiment of the present invention provides a kind of light alignment apparatus 01 as shown in Figure 3, for being carried out to the alignment film on substrate
Light allocating process.The light alignment apparatus 01 include polarizing light source 30, are arranged on the workbench 10 of the lower section of polarizing light source 30, work
Make platform 10 for bearing substrate.Wherein, workbench 10 its table top the anglec of rotation planar it is adjustable, driving substrate to revolve
Turn, and/or, the anglec of rotation of polarizer 31 in polarizing light source 30 in its residing plane is adjustable.
On this basis, light alignment apparatus 01 also include shading piece 20, and shading piece 20 is arranged at workbench 10 and polarised light
Between light source 30, the shading status of shading piece 20 is variable, shading piece 20 under different shading status, for the not same district to substrate
Blocked in domain.
It should be noted that the first, structure not to aforesaid substrate is defined, as long as being formed with alignment film on substrate
.Example, substrate can be color membrane substrates.And example, substrate can be array base palte, further, array base palte
Can be COA (English full name：Color Filter On Array) substrate.
Secondth, optional, light alignment apparatus 01 can include the rotary shaft of the bottom for being arranged on workbench 10, to cause work
Make platform 10 its table top the anglec of rotation planar it is adjustable, so as to drive substrate to rotate.
3rd, polarizer 31 of the above-mentioned polarizing light source 30 including illuminating part and the light emission side for being arranged at illuminating part, partially
The light that the piece 31 that shakes is used to send illuminating part is converted to the polarised light with certain orientation.The principle of light allocating process is to utilize
The photochemical reaction of ultraviolet photosensitive polymer monomer material produces anisotropy, and liquid crystal molecule is mutually made with orientation membrane surface molecule
With the stable state minimum in order to reach energy, liquid crystal molecule is arranged along the maximum direction of stress defined in light orientation.Can
Choosing, the light that above-mentioned polarizing light source 30 sends is ultraviolet light, further alternative, and the light is linear polarized uv.
4th, the shading status of shading piece 20 is variable refers to：The lightproof area of shading piece 20 can be adjusted, in this situation
Under, orientation can be carried out to the alignment film on substrate by polarizing light source 30 with subregion.
Based on this, when light allocating process is carried out using above-mentioned smooth alignment apparatus 01 provided in an embodiment of the present invention, can be with
Control polarizing light source 30 sends the light of fixed-direction, and controls the anglec of rotation of the workbench 10 in its table top, to drive
The substrate being carried on workbench 10 is rotated so that the polarizer 31 in polarizing light source 30 rotates relative to workbench 10；
In the case, alignment film is irradiated using polarizing light source 30, so that alignment film has a specific inclination angle.Or
Person, control workbench 10 is in a fixed angle in its table top, so that the substrate being carried on workbench 10 is non-rotatable, and
Control the anglec of rotation of the polarizer 31 in polarizing light source 30 in its residing plane so that the polarization in polarizing light source 30
Piece 31 rotates relative to workbench 10；In the case, alignment film is irradiated using polarizing light source 30, so that orientation
Film has a specific inclination angle.Or, the anglec of rotation of the workbench 10 in its table top can be being controlled, to drive substrate to carry out
While rotation, the anglec of rotation of the polarizer 31 in polarizing light source 30 in its residing plane is controlled so that polarised light light
Polarizer 31 in source 30 rotates relative to workbench 10；In the case, alignment film is irradiated using polarizing light source 30,
So that alignment film has a specific inclination angle.On this basis, the shading status of shading piece 20 is controlled, to cause shading piece 20
Designated area to the alignment film on substrate is blocked, so that the alignment film of designated area has a specific inclination angle.Extremely
Few to repeat the above steps twice, can cause the alignment film at least two regions of substrate has different orientation characteristics.
With reference to above-mentioned, after curved surface technique is carried out to liquid crystal display panel, the liquid crystal in deformation area (such as the B areas in Fig. 1)
Display panel can occur similar twisted liquid crystal molecules angle increase phenomenon, cause dark-state light leakage phenomena.Therefore in order to alleviate on
Similar twist angle increase phenomenon is stated, optionally, the orientation angle of the alignment film of light-leaking area is less than the alignment film of non-light-leaking area
Orientation angle, specifically, the anglec of rotation of the control workbench 10 in its table top, and/or, the polarization in control polarizing light source 30
The anglec of rotation of the piece 31 in its residing plane, and the alignment film of designated area is blocked using shading piece 20, by inclined
The radiant 30 pairs region alignment film of shaking is irradiated, be at least repeated twice said process, so that non-light-leaking area is matched somebody with somebody
The alignment film for having the first orientation angle, light-leaking area to film has the second orientation angle, wherein, the second orientation angle is less than the first orientation
Angle.So, allocating process is carried out to alignment film using above-mentioned smooth alignment apparatus 01, is matched somebody with somebody backward through alignment film, non-light leak area
Tilt angle of the tilt angle of the liquid crystal molecule in domain more than the liquid crystal molecule of light-leaking area.When the liquid crystal display panel march being made
After the technique of face, can effectively alleviate in light-leaking area, the photoelasticity of substrate is similar with caused by liquid crystal molecule collective effect to be distorted
Angle increases phenomenon, and then alleviates light leakage phenomena of the liquid crystal display panel in dark-state.Hereinafter, by liquid crystal display panel due to base
Light-leaking area is referred to as light-leaking area caused by the photoelasticity and liquid crystal molecule collective effect of plate, and other regions are referred to as non-light leak area
Domain.
Further, since in the light-leaking area of existing liquid crystal display panel, there is similar twisted liquid crystal molecules angle increase existing
As, when being shown using the liquid crystal display panel, under applied voltage effect, the liquid in non-light-leaking area and light-leaking area
Rotational angle of the brilliant molecule in face is inconsistent, i.e. the twist angle of liquid crystal molecule is inconsistent, so that light is in the saturating of liquid crystal molecule
It is excessive inconsistent, and then cause that the optical brightness of non-light-leaking area and light-leaking area produces difference, reduce liquid crystal display panel
Display effect.In the initial liquid crystal display panel that the present invention is provided, the tilt angle of the liquid crystal molecule of non-light-leaking area is more than leakage
The tilt angle of the liquid crystal molecule in light region, after carrying out curved surface technique, there is similar twist angle increase phenomenon in light-leaking area, so that
The tilt angle for obtaining non-light-leaking area and light-leaking area liquid crystal molecule in liquid crystal display panel is approximately the same.Using above-mentioned liquid crystal
When showing that panel is shown, in the presence of outer making alive, twist angle and the light-leaking area of the liquid crystal molecule of non-light-leaking area
The twist angle of liquid crystal molecule is approximately the same, such that it is able to mitigate above-mentioned zone brightness disproportionation phenomenon, so as to improve LCD
The display effect of plate.
On this basis, the present invention is not limited the structure of shading piece 20, as long as the shading status of shading piece 20 is variable,
Irradiated with alloing that polarizing light source 30 carries out subregion to alignment film.Optionally, above-mentioned shading piece 20 can include
First shadow shield 201 as shown in Figure 3 and the second shadow shield 202 as shown in Fig. 4 a, 4b or 4c.Wherein, the first shadow shield 201
Blocked for the light-leaking area to substrate, the second shadow shield 202 is blocked to the non-light-leaking area of substrate, such that it is able to
Alignment film to different zones is irradiated respectively.
It should be noted that in working as liquid crystal display panel, during the regional change that deformational stress is acted on substrate, above-mentioned leakage
The position in light region can also change, in the case, for the second shadow shield 202 that the non-light-leaking area to substrate is blocked
Light-shielding pattern can also change.Example, Fig. 4 b and 4c are respectively the change of the position according to light-leaking area, the of design
The structure of two shadow shields 202.The light-shielding pattern and the second shadow shield 202 of the first shadow shield 201 are complementary.Certainly, according to light leak area
The change of the position in domain, the other structures of the second shadow shield 202 of design are within protection scope of the present invention.
In the case, optionally, light alignment apparatus 01 also include shading piece adjuster, and shading piece adjuster is used to change
Shadow shield.Below to being illustrated to the detailed process that alignment film carries out orientation using light alignment apparatus 01.
Example, as shown in figure 3, first, the polarizer 31 in control polarizing light source 30 is in its residing plane
One fixed angle；Secondly, shading piece adjuster is adjusted, the first shadow shield 201 is blocked light-leaking area；Next, control
Anglec of rotation θ of the workbench processed 10 in its table top1, to drive the substrate being carried on workbench 10 to rotate, wherein, after rotation
Angle between substrate and horizontal direction is θ1；Finally, the alignment film of non-light-leaking area is shone using polarizing light source 30
Penetrate, to cause that the alignment film in the region has a specific orientation angle.Optionally, above-mentioned anglec of rotation θ1It it is 9 ° -11 °, further
Optionally, anglec of rotation θ1It it is 10 °, to cause that through the tilt angle of the alignment film with liquid crystal molecule backward in the region be 10 °.
On this basis, above-mentioned steps are performed again, unlike, shading piece adjuster is adjusted, as shown in figure 5, making the
Two shadow shields 202 are blocked to non-light-leaking area；Next, anglec of rotation θ of the control workbench 10 in its table top2, with
Drive is carried on the substrate rotation on workbench 10, wherein, the angle between rotation metacoxal plate and horizontal direction is θ2。
Wherein, the anglec of rotation θ by adjustment work platform 10 in its table top2, the orientation angle of alignment film can be controlled, enter
And control the tilt angle of liquid crystal molecule；Above-mentioned anglec of rotation θ2Distortion of the size in above-mentioned similar twist angle increase phenomenon
The situation of angle increase is adjusted, and is compensated with the twist angle increase phenomenon to light-leaking area, so as to alleviate LCD
Light leakage phenomena of the plate in dark-state.
It should be noted that the present invention is not limited the order of each step in above-mentioned process of alignment, as long as can be with
The alignment film of a certain designated area can be irradiated by polarizing light source 30, to cause that it has a specific orientation angle i.e.
Can.
Optionally, shading piece 20 can be liquid crystal panel or Electrophoretic display panels.In this case, it is possible to pass through to control liquid crystal surface
The transmission region or lightproof area of plate or Electrophoretic display panels, are blocked with the alignment film of the different zones to substrate so that polarization
Radiant 30 can carry out subregion irradiation to alignment film.
On this basis, optionally, as shown in figure 3, light alignment apparatus 01 also include Transmission Part 40, workbench is arranged at biography
On defeated part 40, Transmission Part 40 is used to drive movable workbench.Example, Transmission Part 40 can be conveyer belt or transmission track.This
Sample one, when orientation is carried out to alignment film, workbench 10 can be moved by Transmission Part 40, so as to drive positioned at workbench 10
On substrate movement.
The embodiment of the present invention provides a kind of smooth alignment method, for carrying out orientation, including circulation to the alignment film on substrate
Perform step as shown in Figure 6 at least twice：
Step S101, control workbench 10 its table top the anglec of rotation planar, or in polarizing light source 30
The anglec of rotation of the polarizer 31 in its residing plane, and the shading status of shading piece 20 is controlled, so that shading piece 20 is to substrate
On the designated area of alignment film blocked, wherein, workbench 10 can drive the substrate being carried on workbench 10 to rotate.
It should be noted that the present invention is in step S101, the control of workbench 10, polarizer 31 and shading piece 20 is suitable
Sequence is not limited.
Step S102, the alignment film being pointed in designated area using polarizing light source 30 are irradiated；Wherein, in difference
Circulation in shading piece 20 different zones of substrate are blocked, it is inclined in polarizing light source 30 and in different circulations
The piece 31 that shakes rotates relative to workbench 10.
It should be noted that the anglec of rotation of the polarizer 31 with respect to workbench 10 in polarizing light source 30, can control
The light that polarizing light source 30 sends irradiates the angle of alignment film, so as to control matching somebody with somebody by the alignment film of light allocating process orientation
To characteristic.
Based on this, when light allocating process is carried out, polarizing light source 30 can be controlled to send the light of fixed-direction, and control
The anglec of rotation of the workbench processed 10 in its table top, to drive the substrate being carried on workbench 10 to be rotated so that polarization
Polarizer 31 in radiant 30 rotates relative to workbench 10；In the case, alignment film is carried out using polarizing light source 30
Irradiation, so that alignment film has a specific inclination angle.Or, control workbench 10 is in a fixed angle in its table top,
So that the substrate being carried on workbench 10 is non-rotatable, and the polarizer 31 in polarizing light source 30 is controlled in its residing plane
The interior anglec of rotation so that the polarizer 31 in polarizing light source 30 rotates relative to workbench 10；In the case, using polarization
Radiant 30 is irradiated to alignment film, so that alignment film has a specific inclination angle.Or, can be in control workbench
10 anglec of rotation in its table top, while to drive substrate to be rotated, the polarizer 31 in control polarizing light source 30
The anglec of rotation in its residing plane so that the polarizer 31 in polarizing light source 30 rotates relative to workbench 10；In this feelings
Under condition, alignment film is irradiated using polarizing light source 30, so that alignment film has a specific inclination angle.It is basic herein
On, the shading status of shading piece 20 is controlled, to cause that shading piece 20 is blocked to the designated area of the alignment film on substrate, from
And cause that the alignment film of designated area has a specific inclination angle.Repeat the above steps at least twice, substrate can be caused at least
The alignment film in two regions has different orientation characteristics.
From described above, in the light-leaking area of liquid crystal display panel, there is similar twisted liquid crystal molecules angle increase existing
As when dark-state is in using the liquid crystal display panel, easily there is light leakage phenomena, and non-light-leaking area and light-leaking area can be caused
Optical brightness produce difference, reduce liquid crystal display panel display effect.In order to alleviate to light leakage phenomena, optionally,
Shading piece 20 includes the first shadow shield 201 and the second shadow shield 202 as shown in fig. 4 a as shown in Figure 3, in the case, on
State in step S101, the shading status of shading piece is controlled, so that the shading piece is to the specified area of the alignment film on the substrate
Domain is blocked, including：
Regulation shading piece adjuster, makes the first shadow shield 201 block the light-leaking area of substrate, the second shadow shield
The non-light-leaking area of 202 pairs of substrates is blocked.Wherein, by the pre-dumping of the liquid crystal molecule of the alignment film orientation in light-leaking area
Tilt angle of the angle less than the liquid crystal molecule of the alignment film orientation in non-light-leaking area.
On this basis, by the above method formed liquid crystal display panel in, the liquid crystal molecule of non-light-leaking area it is pre-
More than the tilt angle of the liquid crystal molecule of light-leaking area, after carrying out curved surface technique, there is similar twist angle increase in light-leaking area at inclination angle
Phenomenon so that the tilt angle of non-light-leaking area and light-leaking area liquid crystal molecule is approximately the same in liquid crystal display panel, so as to class
Compensated like twist angle increase phenomenon, and then alleviate light leakage phenomena of the liquid crystal display panel in dark-state.Using above-mentioned liquid
When LCD panel is shown, in the presence of outer making alive, twist angle and the light leak area of the liquid crystal molecule of non-light-leaking area
The twist angle of the liquid crystal molecule in domain is approximately the same, such that it is able to mitigate above-mentioned zone brightness disproportionation phenomenon, so as to improve liquid crystal
Show the display effect of panel.
The embodiment of the present invention provides a kind of liquid crystal display panel, as shown in fig. 7, liquid crystal display panel includes array base palte
23rd, to box substrate 27 and it is arranged on array base palte 23 and to the liquid crystal molecule between box substrate 27, array base palte 23 and to box
Alignment film is provided with substrate 27；Wherein, the tilt angle through the liquid crystal molecule of the alignment film orientation of different zones is different.Example
, above-mentioned can be color membrane substrates to box substrate 27.
Based on this, when allocating process is carried out to above-mentioned alignment film using light alignment apparatus 01, polarised light light can be controlled
Source 30 sends the light of fixed-direction, and controls the anglec of rotation of the workbench 10 in its table top, and workbench is carried on to drive
Substrate on 10 is rotated so that the polarizer 31 in polarizing light source 30 rotates relative to workbench 10；In the case, profit
Alignment film is irradiated with polarizing light source 30, so that alignment film has a specific inclination angle.Or, control workbench 10
A fixed angle is in its table top, so that the substrate being carried on workbench 10 is non-rotatable, and polarizing light source is controlled
The anglec of rotation of polarizer 31 in 30 in its residing plane so that the polarizer 31 in polarizing light source 30 is with respect to workbench
10 rotations；In the case, alignment film is irradiated using polarizing light source 30, so that alignment film has one specific to incline
Angle.Or, the anglec of rotation of the workbench 10 in its table top, while to drive substrate to be rotated, control can controlled
The anglec of rotation of polarizer 31 in polarizing light source processed 30 in its residing plane so that the polarizer in polarizing light source 30
31 rotate relative to workbench 10；In the case, alignment film is irradiated using polarizing light source 30, so that alignment film
With a specific inclination angle.On this basis, the shading status of shading piece 20 is controlled, to cause shading piece 20 to the orientation on substrate
The designated area of film is blocked, so that the alignment film of designated area has a specific inclination angle.Repeat at least twice above-mentioned
Step, can cause the alignment film at least two regions of substrate has different orientation characteristics, so that through different zones
Tilt angle of the alignment film with liquid crystal molecule backward it is different.
On this basis, liquid crystal display panel includes light-leaking area D and non-light-leaking area C, wherein, in light-leaking area D
Tilt angles of the tilt angle β of the liquid crystal molecule of alignment film orientation less than the liquid crystal molecule of the alignment film orientation in non-light-leaking area C
α。
It should be noted that by caused by the photoelasticity and liquid crystal molecule collective effect in liquid crystal display panel due to substrate
Light-leaking area is referred to as light-leaking area, and other regions are referred to as non-light-leaking area.The region acted on substrate according to deformational stress
Change, the position of above-mentioned light-leaking area can also change.
In the case, the pre-dumping of liquid crystal molecule of the tilt angle of the liquid crystal molecule of non-light-leaking area C more than light-leaking area D
Angle, after carrying out curved surface technique, similar twist angle increase phenomenon in light-leaking area D so that liquid crystal display panel Zhong Fei light leaks area there is
The tilt angle of domain C and light-leaking area D liquid crystal molecules is approximately the same, so as to be compensated to similar twist angle increase phenomenon, and then
Alleviate light leakage phenomena of the liquid crystal display panel in dark-state.
Additionally, when being shown using above-mentioned liquid crystal display panel, in the presence of outer making alive, non-light-leaking area C
Liquid crystal molecule twist angle it is approximately the same with the twist angle of the liquid crystal molecule of light-leaking area D, therefore non-light-leaking area C and light leak
The display brightness of region D is approximately the same, so as to improve the display effect of liquid crystal display panel.
On this basis, during the liquid crystal display panel for being produced to the technology using plane field-effect, when in non-light-leaking area C
When the tilt angle α of liquid crystal molecule is less than 9 °, after applied voltage, easily there is reversal development in inclination angle；When liquid crystal point in non-light-leaking area C
The tilt angle α of son is more than 11 °, and liquid crystal display panel causes incident through the linear polarization after down polaroid 21 in dark-state, easily
During to array base palte, the short axle with liquid crystal molecule is vertical, so that linear polarization rotates, and then causes linear polarization warp
After injecting upper polaroid 22 to box substrate 27, the polarizing axis not with upper polaroid 22 are vertical, so that linear polarization can be passed through
, there is dark-state light leakage phenomena in upper polaroid 22.Therefore it is optional, the pre-dumping of the liquid crystal molecule of the alignment film orientation of non-light-leaking area
The scope of angle α is 9 ° -11 °.So, after can both avoiding applied voltage, there is inclination angle reversal development in liquid crystal molecule；Also may be used
There is light leakage phenomena when being in dark-state to prevent liquid crystal display panel.
It should be noted that by controlling the polarizer 31 in polarizing light source 30 with respect to the anglec of rotation of workbench 10,
The inclination angle of alignment film formed by light allocating process can be controlled, such that it is able to control through the liquid crystal molecule of alignment film orientation
The size of tilt angle α.Example, control polarizing light source 30 sends the light of fixed-direction, and controls workbench 10 in Qi Tai
Anglec of rotation θ in face1Scope be 9 ° -11 °, with cause polarizing light source 30 in polarizer 31 with respect to workbench 10 rotation
Gyration scope is 9 ° -11 °；In the case, alignment film is irradiated using polarizing light source 30, so that formed
The scope at the inclination angle of alignment film is 9 ° -11 °, so cause through the scope of the tilt angle α of the liquid crystal molecule of alignment film orientation be 9 ° -
11°。
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of smooth alignment apparatus, for carrying out light allocating process to the alignment film on substrate, it is characterised in that the smooth orientation
Device includes：
Polarizing light source and the workbench being arranged on below the polarizing light source, the workbench are used to carry the base
Plate, wherein, the workbench its table top the anglec of rotation planar it is adjustable, driving substrate to rotate, and/or, it is described
The anglec of rotation of polarizer in polarizing light source in its residing plane is adjustable；
The smooth alignment apparatus also include shading piece, the shading piece be arranged at the workbench and the polarizing light source it
Between, the shading status of the shading piece is variable, the shading piece under different shading status, for the not same district to the substrate
Blocked in domain.
2. smooth alignment apparatus according to claim 1, it is characterised in that the shading piece includes the first shadow shield and second
Shadow shield, first used in sunshade board is blocked in the light-leaking area to the substrate, and second shadow shield is to the base
The non-light-leaking area of plate is blocked.
3. smooth alignment apparatus according to claim 2, it is characterised in that the smooth alignment apparatus are also adjusted including shading piece
Device, the shading piece adjuster is used to change shadow shield.
4. smooth alignment apparatus according to claim 1, it is characterised in that the smooth alignment apparatus also include Transmission Part, institute
State workbench to be arranged on the Transmission Part, the Transmission Part is used to drive the movable workbench.
5. smooth alignment apparatus according to claim 1, it is characterised in that the shading piece is liquid crystal panel or electrophoresis face
Plate.
6. a kind of smooth alignment method, for carrying out orientation to the alignment film on substrate, it is characterised in that performed at least including circulation
Following steps twice：
Control workbench its table top polarizer in the anglec of rotation planar or polarizing light source in its residing plane
The interior anglec of rotation, and the shading status of shading piece is controlled, so as to the shading piece specifying to the alignment film on the substrate
Region is blocked, wherein, the workbench can drive the substrate being carried on the workbench to rotate；
The alignment film being pointed in the designated area using the polarizing light source is irradiated；
Wherein, shading piece is blocked to the different zones of the substrate described in different circulations, and in different circulations
Described in the relatively described worktable rotary of polarizer in polarizing light source.
7. smooth alignment method according to claim 6, it is characterised in that the shading piece includes the first shadow shield and second
Shadow shield；The shading status of the control shading piece, so that the shading piece is to the designated area of the alignment film on the substrate
Blocked, including：
Regulation shading piece adjuster, makes first shadow shield block the light-leaking area of the substrate, and described second hides
Tabula rasa is blocked to the non-light-leaking area of the substrate；
Wherein, it is less than in the non-light-leaking area by the tilt angle of the liquid crystal molecule of the alignment film orientation in the light-leaking area
Alignment film orientation liquid crystal molecule tilt angle.
8. a kind of liquid crystal display panel, it is characterised in that the liquid crystal display panel includes array base palte, to box substrate and
It is arranged on the array base palte and to the liquid crystal molecule between box substrate, the array base palte and to being provided with orientation on box substrate
Film；
Wherein, the tilt angle through the liquid crystal molecule of the alignment film orientation of different zones is different.
9. liquid crystal display panel according to claim 8, it is characterised in that the liquid crystal display panel includes light-leaking area
With non-light-leaking area；
Wherein, the tilt angle of the liquid crystal molecule of the alignment film orientation in the light-leaking area is less than in the non-light-leaking area
The alignment film orientation liquid crystal molecule tilt angle.
10. liquid crystal display panel according to claim 9, it is characterised in that the alignment film orientation of the non-light-leaking area
The scope of tilt angle of liquid crystal molecule be 9 ° -11 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710330513.2A CN106918955B (en) | 2017-05-11 | 2017-05-11 | A kind of smooth alignment apparatus and method, liquid crystal display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710330513.2A CN106918955B (en) | 2017-05-11 | 2017-05-11 | A kind of smooth alignment apparatus and method, liquid crystal display panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106918955A true CN106918955A (en) | 2017-07-04 |
| CN106918955B CN106918955B (en) | 2019-09-13 |
Family
ID=59568594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710330513.2A Active CN106918955B (en) | 2017-05-11 | 2017-05-11 | A kind of smooth alignment apparatus and method, liquid crystal display panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106918955B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110554536A (en) * | 2018-05-31 | 2019-12-10 | 上海微电子装备（集团）股份有限公司 | Optical alignment equipment and replacement method of lamp tube in optical alignment equipment |
| CN110658653A (en) * | 2018-06-29 | 2020-01-07 | 上海微电子装备（集团）股份有限公司 | Optical alignment device and method |
| CN113156713A (en) * | 2021-04-12 | 2021-07-23 | Tcl华星光电技术有限公司 | Optical alignment device and control method thereof |
| CN114740661A (en) * | 2022-04-11 | 2022-07-12 | 滁州惠科光电科技有限公司 | Preparation method of liquid crystal panel and display panel |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730857A (en) * | 2015-03-24 | 2015-06-24 | 南京中电熊猫液晶显示科技有限公司 | Mask plate of liquid crystal display panel and exposure method using mask plate |
| CN105404060A (en) * | 2014-09-12 | 2016-03-16 | 群创光电股份有限公司 | Liquid crystal display panel |
| US20160195742A1 (en) * | 2015-01-06 | 2016-07-07 | Samsung Display Co., Ltd. | Lcd device, manufacturing method thereof and mask thereof |
-
2017
- 2017-05-11 CN CN201710330513.2A patent/CN106918955B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105404060A (en) * | 2014-09-12 | 2016-03-16 | 群创光电股份有限公司 | Liquid crystal display panel |
| US20160195742A1 (en) * | 2015-01-06 | 2016-07-07 | Samsung Display Co., Ltd. | Lcd device, manufacturing method thereof and mask thereof |
| CN104730857A (en) * | 2015-03-24 | 2015-06-24 | 南京中电熊猫液晶显示科技有限公司 | Mask plate of liquid crystal display panel and exposure method using mask plate |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110554536A (en) * | 2018-05-31 | 2019-12-10 | 上海微电子装备（集团）股份有限公司 | Optical alignment equipment and replacement method of lamp tube in optical alignment equipment |
| CN110658653A (en) * | 2018-06-29 | 2020-01-07 | 上海微电子装备（集团）股份有限公司 | Optical alignment device and method |
| CN113156713A (en) * | 2021-04-12 | 2021-07-23 | Tcl华星光电技术有限公司 | Optical alignment device and control method thereof |
| CN113156713B (en) * | 2021-04-12 | 2022-12-06 | Tcl华星光电技术有限公司 | Optical alignment device and control method thereof |
| CN114740661A (en) * | 2022-04-11 | 2022-07-12 | 滁州惠科光电科技有限公司 | Preparation method of liquid crystal panel and display panel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106918955B (en) | 2019-09-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100285609B1 (en) | LCD, its manufacturing method and manufacturing apparatus | |
| US9069212B2 (en) | Exposure apparatus, liquid crystal display device, and method for manufacturing liquid crystal display device | |
| KR100191787B1 (en) | The method of manufacturing an lcd having a wide viewing angle | |
| CN105204232B (en) | Liquid crystal display panel | |
| US8760607B2 (en) | Liquid crystal display panel and method of manufacturing the same | |
| GB2310048A (en) | Alignment layers for liquid crystal cells | |
| CN106918955A (en) | A kind of smooth alignment apparatus and method, liquid crystal display panel | |
| US7812922B2 (en) | Liquid crystal aligning device and alignment method thereof | |
| WO2017139999A1 (en) | Vertical photo-alignment method and method for manufacturing liquid crystal display panel | |
| US20070120092A1 (en) | Liquid crystal display device and method of manufacturing the same | |
| GB2309539A (en) | A method for manufacturing bend-aligned liquid crystal cell using light | |
| CN105158983B (en) | A kind of liquid crystal UV2The alignment method of mode A | |
| US20210072601A1 (en) | Aligning Method for Liquid Crystal Panel, Liquid Crystal Panel and Display Device | |
| US10663801B2 (en) | Alignment agent, manufacturing method of alignment film, display panel and display device | |
| CN108845463A (en) | display panel and display method thereof | |
| US10042208B2 (en) | Liquid crystal alignment method, pixel structure, display panel and display device | |
| CN107329329B (en) | Liquid crystal display panel and UV thereof2A alignment method | |
| JPH08328007A (en) | Production of liquid crystal display device | |
| CN108761883B (en) | Curved surface display, manufacturing method thereof and alignment exposure device | |
| CN105607349A (en) | PI liquid coating method | |
| CN113671756A (en) | Liquid crystal alignment method, liquid crystal display panel, mobile terminal and alignment equipment | |
| US20050237460A1 (en) | Method for designing mask and fabricating panel | |
| KR20030039401A (en) | A Display Device of Liquid Crystal On Silicone by Photo Alignment Technology And Method For Producing The Same | |
| JP2012018303A (en) | Method and device for correcting defect of color filter | |
| CN111694191A (en) | Liquid crystal display and liquid crystal display system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |