CN113568223A - Multi-angle simultaneous alignment device and method for liquid crystal panel - Google Patents
Multi-angle simultaneous alignment device and method for liquid crystal panel Download PDFInfo
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- CN113568223A CN113568223A CN202110765741.9A CN202110765741A CN113568223A CN 113568223 A CN113568223 A CN 113568223A CN 202110765741 A CN202110765741 A CN 202110765741A CN 113568223 A CN113568223 A CN 113568223A
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- 230000010287 polarization Effects 0.000 claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 24
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- 238000000576 coating method Methods 0.000 description 2
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- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011165 process development Methods 0.000 description 1
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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
- G02F1/1337—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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
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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
- G02F1/133528—Polarisers
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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
- G02F1/133528—Polarisers
- G02F1/133548—Wire-grid polarisers
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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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133753—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers with different alignment orientations or pretilt angles on a same surface, e.g. for grey scale or improved viewing angle
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
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- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Liquid Crystal (AREA)
- Polarising Elements (AREA)
Abstract
The invention discloses a multi-angle simultaneous alignment device and a method of a liquid crystal panel, and the device comprises an ultraviolet light source, a light filter, a plurality of polarizing wire grids and an adjusting mechanism; the optical filter is arranged between the ultraviolet light source and the polarized light grating and used for filtering stray light, the polarized light grating is used for acquiring polarized light with a specific polarization angle, and the polarization angle of each area polarized light grating is adjustable; the adjusting mechanism is used for changing the relative angle between the wire grid and the glass substrate panel orientation film when the glass substrate panel orientation film is oriented; the method comprises installing a plurality of polarizing wire grids in a differentiated manner; arranging a light screen in the middle of the polarizing wire grids in different alignment directions for light isolation; when the panel alignment film of the glass substrate is aligned, the relative angle between the wire grid and the panel alignment film of the glass substrate is changed, and the panel alignment film with a specific polarization angle is obtained. By implementing the invention, the alignment of the orientation films with different alignment angles is realized in the same process, and the utilization rate of the glass substrate is improved.
Description
Technical Field
The invention relates to the technical field of liquid crystal panel manufacturing processes, in particular to a multi-angle simultaneous alignment device and method for a liquid crystal panel.
Background
After long-term development and the technology of liquid crystal display panel manufacturing, the requirements of consumers on display quality are higher and higher, and small-batch and customized display becomes a trend, and how to reduce the operation cost as much as possible on the basis of meeting the requirements of customers is a key of competition of panel manufacturers.
The existing liquid crystal panel production process comprises the following steps: TFT & CF substrate → PI Coating → RUB orientation/photo-orientation → Seal Coating → LC filling → VAS laminating → Cut → Module. The liquid crystal alignment process is an irreplaceable key process in the liquid crystal panel manufacturing process, and in the alignment process development process, because the conventional RUB alignment process has the defects of Mura, scratch and the like and the production preparation process is complicated, the operation cost is high, so that the photo-alignment process gradually replaces the conventional rubbing process with the advantages of high contrast, high image quality, no yield defect, simple production preparation process and the like.
The principle of the photo-alignment process is that the polarized ultraviolet light acts on the surface of the TFT & CF substrate coated with the alignment film, so that the structure of the alignment film is changed and the alignment film has the liquid crystal alignment capability. In the current industry, a light orientation device structure is used, in which light emitted by a light source is filtered by a Filter and then applied to the surface of a product through a polarization wire grid (fig. 1).
The liquid crystal alignment direction depends on the polarization direction of the polarization wire grid, but the polarization wire grid is singly and fixedly installed, and if the alignment in different directions needs to be realized, the alignment is realized by rotating the angle of the Glass substrate (shown in figure 2), however, the surface Panel of the Glass substrate can only be designed in a single alignment direction (shown in figure 3), and the alignment in different directions on the same substrate cannot be realized simultaneously.
However, in order to maximize the yield, the Panel manufacturers are all striving to maximize the utilization area of the glass substrate, and produce as much Panel as possible with less investment. The alignment direction of Panel is determined when the visual angle, transmittance and other requirements of early customers are required, so that the corresponding ITO finger direction is determined, and the corresponding liquid crystal preset angle and alignment direction are determined. However, the dimension m/n of the glass substrate of the production line is fixed, and the dimension of Panel is as small as one or two inches and as large as several tens of inches, so that some edge area is wasted for some special sizes (figure 4). As shown in fig. 4: when the Pixel domains of the first and second panels are inconsistent, the two panels cannot be arranged in a mixed manner, because the alignment equipment cannot realize simultaneous multi-angle alignment (in practical design, the condition that the orientations of the Panel in the visual angle direction meet the consistency is difficult to realize). The surface of one substrate can only be designed in a single alignment direction, so that the utilization rate of the substrate is greatly reduced, and the limitation of single alignment is more obvious particularly under the trend of small batch, customization and special-shaped design.
Disclosure of Invention
In the prior art, the surface of one substrate can only be designed in a single alignment direction, and the simultaneous alignment in different directions of the same substrate cannot be realized, so that the utilization rate of the substrate is greatly reduced, and the limitation of the single alignment is more obvious particularly under the trends of small batch, customization and special-shaped design.
Aiming at the problems, the multi-angle simultaneous alignment device and method of the liquid crystal panel are provided, through carrying out differentiated installation on each polarization wire grid, and installing a rotating device on each polarization wire grid, or installing a moving device on the whole structure of the polarization wire grid, or installing the moving device on a glass substrate, when aligning the panel alignment film on the glass substrate, the polarizing angle of the polarization wire grid is changed or the polarization wire grid and the glass substrate are moved according to the needs, so that the alignment of the alignment films with different alignment angles is realized, and the utilization rate of the glass substrate is improved.
A multi-angle simultaneous alignment device of a liquid crystal panel comprises:
an ultraviolet light source;
an optical filter;
a plurality of polarizing wire grids;
the optical filter is arranged between the ultraviolet light source and the polarization grating and used for filtering stray light, the polarization grating is used for acquiring polarized light with a specific polarization angle, and the polarization angles of the polarization gratings are not completely the same;
and an adjustment mechanism;
the adjusting mechanism is used for changing the relative angle between the wire grid and the glass substrate panel alignment film when the glass substrate panel alignment film is aligned, and obtaining the panel alignment film with a specific polarization angle.
In combination with the multi-angle simultaneous alignment device, in a first possible implementation manner, the wavelength range of the ultraviolet light source is 1nm to 300nm, the polarization angle range of the polarized light wire grid is 0 to 90 degrees, the light transmission wavelength range of the optical filter is 230nm to 290nm, and the length of the optical filter and the total length of the polarized light wire grid are 1 to 5 times of the length of the glass substrate.
In combination with the first possible embodiment and the second possible embodiment of the present invention, the adjustment mechanism includes:
a plurality of rotating devices;
a plurality of first light shielding plates;
the rotating device is arranged on the polarized light wire grid in each area and used for rotating the polarized light wire grid in multiple angles when the panel orientation film is aligned so as to obtain an orientation film with a specific alignment angle;
the first shading plate is arranged in the middle of the polarizing wire grids in different alignment directions and used for light isolation.
In a third possible embodiment, in combination with the second possible embodiment of the present invention, the rotating device rotates within a range of 0 ° to 180 °.
In combination with the first possible embodiment and the fourth possible embodiment of the present invention, the adjusting mechanism includes:
a first mobile device;
a plurality of second light shielding plates;
the plurality of polarizing wire grids are fixed together, and different polarizing wire grids are installed differently;
the first moving device is arranged on the polarizing wire grid and used for moving the polarizing wire grid when the panel alignment films are aligned and moving the corresponding polarizing wire grid to the corresponding panel alignment film area so as to obtain an alignment film with a specific alignment angle;
the second shading plate is arranged in the middle of the polarized light wire grids in different alignment directions and used for light isolation.
In combination with the first possible embodiment and the fifth possible embodiment of the present invention, the adjusting mechanism includes:
a second mobile device;
a plurality of third light shielding plates;
the plurality of polarizing wire grids are fixed together, and different polarizing wire grids are installed differently;
the second moving device is arranged on the glass substrate and used for moving the glass substrate when the panel orientation films are aligned and moving the corresponding panel orientation films to the corresponding polarization wire grid regions so as to obtain the orientation films with specific alignment angles;
the third shading plate is arranged in the middle of the polarizing wire grids in different alignment directions and used for light isolation.
In a second aspect, a multi-angle simultaneous alignment method for a liquid crystal panel includes the steps of:
installing a plurality of polarizing wire grids in a differentiated mode;
arranging a light screen in the middle of the polarizing wire grids in different alignment directions for light isolation;
when the panel alignment film of the glass substrate is aligned, the relative angle between the wire grid and the panel alignment film of the glass substrate is changed, and the panel alignment film with a specific polarization angle is obtained.
In a first possible implementation manner, with reference to the multi-angle simultaneous alignment method described in the second aspect, the step of: installing a plurality of polarizing wire grids in a differentiated mode, and comprising the sub-steps of:
independently mounting each polarization wire grid respectively;
setting a polarizing angle of each polarizing wire grid;
a rotating device is mounted on each of the polarizing wire grids.
In combination with the multi-angle simultaneous alignment method according to the second aspect, in a second possible implementation manner, the step of: installing a plurality of polarizing wire grids in a differentiated mode, and comprising the sub-steps of:
installing the polarized light wire grids with the same deflection angle at one side, and installing the polarized light wire grids with different deflection angles at the other side;
fixedly mounting all the polarizing wire grids together;
first moving devices are installed at both sides of the polarizing wire grid.
In combination with the multi-angle simultaneous alignment method according to the second aspect, in a third possible embodiment, the method includes: installing a plurality of polarizing wire grids in a differentiated mode, and comprising the sub-steps of:
installing the polarized light wire grids with the same deflection angle at one side, and installing the polarized light wire grids with different deflection angles at the other side;
fixedly mounting all the polarizing wire grids together;
a second moving device is mounted on the glass substrate.
By implementing the multi-angle simultaneous alignment device and the method, each polarized light wire grid is installed in a differentiated mode, a rotating device is installed on each polarized light wire grid, or a moving device is installed on the whole structure of the polarized light wire grid, or a moving device is installed on a glass substrate, when the alignment of the panel alignment film on the glass substrate is carried out, the polarizing angle of the polarized light wire grid is changed or the polarized light wire grid and the glass substrate are moved according to needs, the alignment of the alignment films with different alignment angles is realized, and the utilization rate of the glass substrate is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a first schematic diagram of a prior art optical alignment structure;
FIG. 2 is a second schematic diagram of an optical alignment structure according to the prior art;
FIG. 3 is a third schematic view of an optical alignment structure in the prior art;
FIG. 4 is a schematic diagram of a glass substrate panel alignment in the prior art;
FIG. 5 is a schematic diagram of a multi-angle simultaneous alignment apparatus according to a first embodiment of the present invention;
FIG. 6 is a schematic diagram of a multi-angle simultaneous alignment apparatus according to a second embodiment of the present invention;
FIG. 7 is a schematic diagram of a third embodiment of the multi-angle simultaneous alignment apparatus according to the present invention;
FIG. 8 is a schematic diagram of a multi-angle simultaneous alignment method according to a first embodiment of the present invention;
FIG. 9 is a schematic diagram of a multi-angle simultaneous alignment method according to a second embodiment of the present invention;
FIG. 10 is a schematic diagram of a third embodiment of the multi-angle simultaneous alignment method according to the present invention;
FIG. 11 is a schematic diagram of a fourth embodiment of the multi-angle simultaneous alignment method in the present invention;
the part names indicated by the numbers in the drawings are as follows: 100-ultraviolet light source, 200-optical filter, 210-elliptical polarized light, 300-polarizing wire grid, 301-polarization direction, 310-rotating device, 320-first light shielding plate, 330-second light shielding plate, 340-first moving device, 350-third light shielding plate, 400-glass substrate, 410-second moving device, 420-different direction area, 510-first direction panel, 520-second direction panel.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Other embodiments, which can be derived by one of ordinary skill in the art from the embodiments given herein without any creative effort, shall fall within the protection scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The principle of the photo-alignment process is that the polarized ultraviolet light acts on the surface of the TFT & CF substrate coated with the alignment film, so that the structure of the alignment film is changed and the alignment film has the liquid crystal alignment capability. In the existing industry, an optical alignment device structure is used, in which light emitted by a light source is filtered by a Filter to become elliptically polarized light 210, and then the elliptically polarized light is acted by a polarization wire grid to form a required polarization direction 301, and the polarization direction is irradiated to the surface of a product as shown in fig. 1, where fig. 1 is a first schematic diagram of an optical alignment structure in the prior art.
The liquid crystal alignment direction depends on the polarization direction of the polarization wire grid, but the polarization wire grid is installed in a single fixed manner, if different directions are required to be aligned, the alignment needs to be realized by rotating the angle of the Glass substrate as shown in fig. 2, fig. 2 is a second schematic diagram of the optical alignment structure in the prior art, however, the surface Panel of the Glass substrate can only be designed into a single alignment direction as shown in fig. 3, fig. 3 is a third schematic diagram of the optical alignment structure in the prior art, and the simultaneous alignment of different directions on the same substrate cannot be realized.
However, in order to maximize the throughput, the Panel manufacturers are all striving to maximize the usable area of the glass substrate 400, and to produce as much Panel as possible with less input. The alignment direction of Panel is determined when the visual angle, transmittance and other requirements of early customers are required, so that the corresponding ITO finger direction is determined, and the corresponding liquid crystal preset angle and alignment direction are determined. However, the dimension m/n of the production line glass substrate 400 is fixed, and the dimension of Panel varies from as small as one or two inches to as large as several tens of inches, so that some edge area is wasted for some special sizes (fig. 4). Referring to fig. 4, fig. 4 is a schematic view of the alignment of a glass substrate 400 in the prior art: when the Pixel domains of the first and second panels are not consistent, the two panels cannot be arranged in a mixed manner, and the Pixel domains are wasted in aligning to different direction areas 420 of the inconsistent glass substrate 400, because the alignment equipment cannot realize simultaneous multi-angle alignment (in the actual design, it is difficult to realize that the directions of the viewing angle directions of the panels are consistent). The surface of one substrate can only be designed in a single alignment direction, so that the utilization rate of the substrate is greatly reduced, and the limitation of single alignment is more obvious particularly under the trend of small batch, customization and special-shaped design.
Aiming at the problems, a multi-angle simultaneous alignment device and a multi-angle simultaneous alignment method for a liquid crystal panel are provided, wherein each polarized light wire grid 300 is installed in a differentiated mode, a rotating device 310 is installed on each polarized light wire grid 300, or a moving device is installed on the whole structure of the polarized light wire grid 300, or a moving device is installed on a glass substrate 400, when a panel alignment film on the glass substrate 400 is aligned, the polarizing angle of the polarized light wire grid 300 is changed or the polarized light wire grid 300 and the glass substrate 400 are moved according to needs, so that alignment of alignment films with different alignment angles is realized simultaneously, and the utilization rate of the glass substrate 400 is improved.
Apparatus example 1
Referring to fig. 5, fig. 5 is a schematic view of a multi-angle simultaneous alignment apparatus according to a first embodiment of the present invention, which includes an ultraviolet light source 100, a filter 200, a plurality of polarizing wire grids 300, and an adjusting mechanism; the optical filter 200 is disposed between the ultraviolet light source 100 and the polarization wire grid 300, and is used for filtering out stray light, the polarization wire grid 300 is used for acquiring polarized light with a specific polarization angle, and the polarization angle of each area polarization wire grid 300 is adjustable; the adjusting mechanism is used for changing the relative angle between the wire grid and the panel alignment film of the glass substrate 400 when the panel alignment film of the glass substrate 400 is aligned, and obtaining the panel alignment film with a specific polarization angle.
The wavelength range of the ultraviolet light source 100 is 1 nm-300 nm, the polarizing angle range of the polarizing wire grid 300 is 0-90 degrees, the light-transmitting wavelength range of the optical filter 200 is 230 nm-290 nm, and the length of the optical filter 200 and the total length of the polarizing wire grid 300 are 1-5 times of the length of the glass substrate 400.
Further, the adjusting mechanism includes a plurality of rotating devices 310 and a plurality of first light-shielding plates 320; a rotating device 310 disposed on each regional polarizing wire grid 300 for rotating the polarizing wire grid 300 at multiple angles when aligning the panel alignment films to obtain an alignment film of a specific alignment angle; the first light shielding plate 320 is disposed in the middle of the polarizing wire grid 300 with different alignment directions for light isolation. The rotating device 310 rotates at an angle ranging from 0 to 180 degrees.
Through installing rotary device 310 outside monolithic polarisation wire grid 300 fixed establishment, realize that every piece of polarisation wire grid 300 all can realize multi-angle rotating, when needs realize multi-angle and join in marriage, different regional polarisation wire grid 300 of joining in marriage carries out the pertinence rotation, realizes different angles and joins in marriage. The first shading plate 320 is used for light isolation between adjacent polarizing wire grids 300 in different alignment directions, so that cross influence between areas is avoided, and the first shading plate 320 is arranged below the wire grid mechanism and above the glass substrate 400.
Apparatus example 2
Referring to fig. 6, fig. 6 is a schematic view of a multi-angle simultaneous alignment apparatus according to a second embodiment of the present invention, which is different from embodiment 1 in that an adjustment mechanism includes a first moving device 340, a plurality of second light-shielding plates 330, and a plurality of polarizing wire grids 300 are fixed together, and different polarizing wire grids 300 are installed differently; the differential installation can be that a plurality of polarized light wire grids 300 of the same polarizing angle are fixed together, a plurality of polarized light wire grids 300 of different polarizing angles are fixed together, also can be that each polarized light wire grid 300 polarizing angle is different to be fixed together.
A first moving means 340 disposed on the polarizing wire grid 300 for moving the polarizing wire grid 300 while aligning the panel alignment films to move the corresponding polarizing wire grid 300 to the corresponding panel alignment film region to obtain an alignment film of a specific alignment angle; the second light shielding plate 330 is disposed in the middle of the polarizing wire grid 300 with different alignment directions for light isolation and avoiding cross effect between regions, and the first light shielding plate 320 is disposed below the wire grid mechanism and above the glass substrate 400.
On the basis of fig. 3, the length design of the wire grid mechanism is added, the wire grids in different areas are installed differently, and when the alignment of products at different angles is realized, the first moving device 340 moves to the corresponding position in the X direction or the Y direction to perform the simultaneous alignment.
In this embodiment, when the product needs to be aligned in a single direction, the wire grid mechanism is moved to the single wire grid direction region, and when the product needs to be aligned in different directions at the same time, the first moving device 340 is moved to the alignment region in the corresponding direction.
Apparatus example 3
Referring to fig. 7, fig. 7 is a schematic view of a third embodiment of the multi-angle simultaneous alignment apparatus according to the present invention, which is different from embodiments 1 and 2 in that the adjusting mechanism includes a second moving device 410, a plurality of third light shielding plates 350; a plurality of polarizing wire grids 300 are fixed together, and different polarizing wire grids 300 are installed differently; a second moving device 410 disposed on the glass substrate 400 for moving the glass substrate 400 while aligning the panel alignment films to move the respective panel alignment films to the corresponding regions of the polarizing wire grid 300 to obtain alignment films of a specific alignment angle; the third light shielding plate 350 is disposed in the middle of the polarizing wire grid 300 with different alignment directions for light isolation and avoiding cross influence between regions, and the first light shielding plate 320 is disposed below the wire grid mechanism and above the glass substrate 400.
The length of the wire grid and the filter 200 is increased, the wire grids in different areas are installed differently, and the second moving device 410 is used for adjusting the glass substrate 400 to the corresponding position for simultaneous alignment when the alignment of products in different angles is realized.
It is noted that, in the present application, panels with different alignment directions on the same glass substrate 400 can be aligned in one alignment process without replacing the glass substrate 400.
Method example 1
A multi-angle simultaneous alignment method of liquid crystal panels is disclosed, as shown in FIG. 8, FIG. 8 is a schematic flow chart of the steps of the multi-angle simultaneous alignment method of the present invention, comprising the steps of:
s1, mounting the plurality of polarizing wire grids 300 in a differentiated manner; s2, arranging a light shielding plate in the middle of the polarizing wire grid 300 in different alignment directions for light isolation; s3, when the panel alignment films of the glass substrate 400 are aligned, the relative angle between the wire grid and the panel alignment film of the glass substrate 400 is changed to obtain the panel alignment film of a specific polarization angle.
Method example 2
Referring to fig. 9, fig. 9 is a schematic view of a multi-angle simultaneous alignment method according to a first embodiment of the present invention, and step S1 includes the sub-steps of:
s11, mounting each polarized light wire grid 300 independently; s12, setting the polarizing angle of each polarizing wire grid 300; s13, a rotating device 310 is mounted on each polarizing wire grid 300. Through installing rotary device 310 outside monolithic polarisation wire grid 300 fixed establishment, realize that every piece of polarisation wire grid 300 all can realize multi-angle rotating, when needs realize multi-angle and join in marriage, different regional polarisation wire grid 300 of joining in marriage carries out the pertinence rotation, realizes different angles and joins in marriage.
Method example 3
Preferably, as shown in fig. 10, fig. 10 is a schematic view of a multi-angle simultaneous alignment method according to a second embodiment of the present invention, and step S1 includes the sub-steps of:
s14, mounting the polarized light wire grids 300 with the same polarization angle on one side, and mounting the polarized light wire grids 300 with different polarization angles on the other side; s15, fixedly mounting all the polarizing wire grids 300 together; s16, first moving devices 340 are installed at both sides of the polarizing wire grid 300. On the basis of fig. 3, the length design of the wire grid mechanism is added, the wire grids in different areas are installed differently, and when the alignment of products at different angles is realized, the first moving device 340 moves to the corresponding position in the X direction or the Y direction to perform the simultaneous alignment.
In this embodiment, when the product needs to be aligned in a single direction, the wire grid mechanism is moved to the single wire grid direction region, and when the product needs to be aligned in different directions at the same time, the first moving device 340 is moved to the alignment region in the corresponding direction.
Method example 4
Preferably, as shown in fig. 11, fig. 11 is a schematic view of a third embodiment of the multi-angle simultaneous alignment method in the present invention, and step S1 includes the sub-steps of:
s17, mounting the polarized light wire grids 300 with the same polarization angle on one side, and mounting the polarized light wire grids 300 with different polarization angles on the other side; s18, fixedly mounting all the polarizing wire grids 300 together; s19, the second moving device 410 is mounted on the glass substrate 400. The length of the wire grid and the filter 200 is increased, the wire grids in different areas are installed differently, and the second moving device 410 is used for adjusting the glass substrate 400 to the corresponding position for simultaneous alignment when the alignment of products in different angles is realized.
By implementing the multi-angle simultaneous alignment device and the method, each polarizing wire grid 300 is installed in a differentiated manner, and a rotating device 310 is installed on each polarizing wire grid 300, or a moving device is installed on the whole structure of the polarizing wire grid 300, or a moving device is installed on the glass substrate 400, when the panel alignment film on the glass substrate 400 is aligned, the polarizing angle of the polarizing wire grid 300 is changed or the polarizing wire grid 300 and the glass substrate 400 are moved according to needs, so that the alignment of the alignment films with different alignment angles is realized simultaneously, and the utilization rate of the glass substrate 400 is improved.
In this application, the alignment direction of the panel alignment film on the glass substrate may have multiple directions, and the first direction panel 510 and the second direction panel 520 in fig. 5 to 7 show two alignment panels, but in an actual process, a panel with multiple alignment directions may be placed on one glass substrate, and under the adjustment of the rotating device, the first moving device or the second moving device, the direction of the polarizing wire grid is changed, or the whole polarizing wire grid structure is moved, so as to move the polarizing wire grid sheet in the corresponding direction to the corresponding alignment orientation panel position, or the glass substrate platform is moved, so as to move the panel with the corresponding alignment direction of the alignment film to the corresponding polarizing wire grid area for alignment.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a device is joined in marriage simultaneously to multi-angle of liquid crystal display panel which characterized in that includes:
an ultraviolet light source;
an optical filter;
a plurality of polarizing wire grids;
the optical filter is arranged between the ultraviolet light source and the polarization grating and used for filtering stray light, the polarization grating is used for acquiring polarized light with a specific polarization angle, and the polarization angles of the polarization gratings are not completely the same;
and an adjustment mechanism;
the adjusting mechanism is used for changing the relative angle between the wire grid and the glass substrate panel alignment film when the glass substrate panel alignment film is aligned, and obtaining the panel alignment film with a specific polarization angle.
2. The multi-angle simultaneous alignment apparatus of a liquid crystal panel according to claim 1, wherein the wavelength of the ultraviolet light source is in a range of 1nm to 300nm, the polarizing angle of the polarizing wire grid is in a range of 0 ° to 90 °, the transmission wavelength of the optical filter is in a range of 230nm to 290nm, and the length of the optical filter and the total length of the polarizing wire grid are 1 to 5 times the length of the glass substrate.
3. The multi-angle simultaneous alignment apparatus of liquid crystal panels as claimed in claim 2, wherein the adjusting mechanism comprises:
a plurality of rotating devices;
a plurality of first light shielding plates;
the rotating device is arranged on the polarized light wire grid in each area and used for rotating the polarized light wire grid in multiple angles when the panel orientation film is aligned so as to obtain an orientation film with a specific alignment angle;
the first shading plate is arranged in the middle of the polarizing wire grids in different alignment directions and used for light isolation.
4. The multi-angle simultaneous alignment apparatus of liquid crystal panels as claimed in claim 3, wherein the rotation angle of the rotation device ranges from 0 ° to 180 °.
5. The multi-angle simultaneous alignment apparatus of liquid crystal panels as claimed in claim 2, wherein the adjusting mechanism comprises:
a first mobile device;
a plurality of second light shielding plates;
the plurality of polarizing wire grids are fixed together, and different polarizing wire grids are installed differently;
the first moving device is arranged on the polarizing wire grid and used for moving the polarizing wire grid when the panel alignment films are aligned and moving the corresponding polarizing wire grid to the corresponding panel alignment film area so as to obtain an alignment film with a specific alignment angle;
the second shading plate is arranged in the middle of the polarized light wire grids in different alignment directions and used for light isolation.
6. The multi-angle simultaneous alignment apparatus of liquid crystal panels as claimed in claim 2, wherein the adjusting mechanism comprises:
a second mobile device;
a plurality of third light shielding plates;
the plurality of polarizing wire grids are fixed together, and different polarizing wire grids are installed differently;
the second moving device is arranged on the glass substrate and used for moving the glass substrate when the panel orientation films are aligned and moving the corresponding panel orientation films to the corresponding polarization wire grid regions so as to obtain the orientation films with specific alignment angles;
the third shading plate is arranged in the middle of the polarizing wire grids in different alignment directions and used for light isolation.
7. A multi-angle simultaneous alignment method of a liquid crystal panel is characterized by comprising the following steps:
installing a plurality of polarizing wire grids in a differentiated mode;
arranging a light screen in the middle of the polarizing wire grids in different alignment directions for light isolation;
when the panel alignment film of the glass substrate is aligned, the relative angle between the wire grid and the panel alignment film of the glass substrate is changed, and the panel alignment film with a specific polarization angle is obtained.
8. The multi-angle simultaneous alignment method of liquid crystal panels as claimed in claim 7, wherein the steps of: installing a plurality of polarizing wire grids in a differentiated mode, and comprising the sub-steps of:
independently mounting each polarization wire grid respectively;
setting a polarizing angle of each polarizing wire grid;
a rotating device is mounted on each of the polarizing wire grids.
9. The multi-angle simultaneous alignment method of liquid crystal panels as claimed in claim 7, wherein the steps of: installing a plurality of polarizing wire grids in a differentiated mode, and comprising the sub-steps of:
installing the polarized light wire grids with the same deflection angle at one side, and installing the polarized light wire grids with different deflection angles at the other side;
fixedly mounting all the polarizing wire grids together;
first moving devices are installed at both sides of the polarizing wire grid.
10. The multi-angle simultaneous alignment method of liquid crystal panels as claimed in claim 7, wherein the steps of: installing a plurality of polarizing wire grids in a differentiated mode, and comprising the sub-steps of:
installing the polarized light wire grids with the same deflection angle at one side, and installing the polarized light wire grids with different deflection angles at the other side;
fixedly mounting all the polarizing wire grids together;
a second moving device is mounted on the glass substrate.
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| CN202110765741.9A CN113568223A (en) | 2021-07-06 | 2021-07-06 | Multi-angle simultaneous alignment device and method for liquid crystal panel |
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| CN202110765741.9A CN113568223A (en) | 2021-07-06 | 2021-07-06 | Multi-angle simultaneous alignment device and method for liquid crystal panel |
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