CN106547158A - A kind of grating preparation method and device - Google Patents
A kind of grating preparation method and device Download PDFInfo
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- CN106547158A CN106547158A CN201710045599.4A CN201710045599A CN106547158A CN 106547158 A CN106547158 A CN 106547158A CN 201710045599 A CN201710045599 A CN 201710045599A CN 106547158 A CN106547158 A CN 106547158A
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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
- G02F1/29—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 position or the direction of light beams, i.e. deflection
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Abstract
A kind of grating preparation method and device that the present invention is provided, are related to grating preparing technical field.Grating preparation method includes：Mould with projection is formulated according to engraving parameter；According to Making mold membrane material, membrane material includes the second area for having reeded first area and surfacing；Having reeded surface to membrane material carries out the first rubbing operation；Molten state liquid crystal is coated with to liquid crystal alignment layer, so that liquid crystal alignment layer includes the 3rd region with liquid crystal and do not have the 4th region of liquid crystal, the 3rd region is corresponding with first area, and the 4th region is corresponding with second area；And membrane material is fitted with liquid crystal alignment layer, so that first area and the 3rd area coincidence, second area and the 4th area coincidence, and carry out exposure curing process and obtain grating.By the region with liquid crystal being respectively provided with grating and the region with liquid crystal, solve the problems, such as in prior art because 2D shows and 3D shows while to there is electrode design complexity, manufacturing cost coexisting high.
Description
Technical field
The present invention relates to grating preparing technical field, in particular to a kind of grating preparation method and device.
Background technology
With the economic continuous development with science and technology, it is the third dimension for improving broadcasting pictures, 3D Display Techniques are obtained constantly
Development.The 3D Display Techniques of early stage, complete to broadcast mainly by wearing the attachment devices such as glasses through special handling, the helmet
Put the purpose that content 3D shows.
The technology that 3D shows is realized above by attachment device, haves the shortcomings that 2D picture display qualities are relatively low.There is mirror
In this, in the prior art, it is proposed that the scheme that a kind of 2D/3D pictures can be switched over, mainly by controlling liquid crystal two
The electrode of side realizing whether liquid crystal molecule deflects, so as to realize switching that 2D/3D shows.But the method, exist 2D and
3D shows can not coexistent shortcoming, it is difficult to meet the demand in the high request field such as the Internet.With the development of technology, market
On occur one kind can realize that 2D and 3D show can be with coexistent scheme.
Jing inventor's research finds that the 2D and 3D on existing market is shown and can mainly be passed through with coexistent scheme
Coordination electrode, can be while coexist so as to realize that 2D and 3D show controlling whether local liquid crystal molecule deflects.But this scheme
There is the electrode design extremely high defect of complicated, process costs, not with practicality.
The content of the invention
In view of this, it is an object of the invention to provide a kind of grating preparation method, by tool is respectively provided with grating
The region for having liquid crystal and the region without liquid crystal, realize 2D and 3D and show coexistent purpose, solve prior art
It is middle show with 3D while coexisting and there is a problem of that electrode design complexity, manufacturing cost are high because 2D to be shown.
Another object of the present invention is to provide a kind of grating preparation facilitiess, tool can be prepared by the grating preparation facilitiess
The region for having liquid crystal and the grating in the region without liquid crystal, realize 2D and 3D and show coexistent purpose, solve existing
Show with 3D while coexisting and there is a problem of that electrode design complexity, manufacturing cost are high because 2D is shown in having technology.
For achieving the above object, the embodiment of the present invention is adopted the following technical scheme that：
A kind of grating preparation method, including：
Mould with projection is formulated according to engraving parameter.
According to the Making mold membrane material, the membrane material includes the secondth area for having reeded first area and surfacing
Domain.
The surface to the membrane material with the groove carries out the first rubbing operation.
To liquid crystal alignment layer be coated with molten state liquid crystal so that the liquid crystal alignment layer include the 3rd region with liquid crystal and
There is no the 4th region of liquid crystal, the 3rd region is corresponding with the first area, the 4th region and described second
Region is corresponding.
The membrane material is fitted with the liquid crystal alignment layer, so that the first area and the 3rd area coincidence, institute
Second area and the 4th area coincidence are stated, and carries out exposure curing process and obtain grating.
It is in the embodiment of the present invention is preferably selected, in above-mentioned grating preparation method, described according to the Making mold
The step of membrane material, includes：
The mould had into the surface coated optical glue of the projection.
Light transmission film is fitted with the optical glue by stitching operation.
Cured is exposed to the light transmission film, optical glue and mould, and makes the light transmission film and optics
The glue membrane material isolated with the mould, the membrane material include the light transmission film and the optical glue.
In the embodiment of the present invention is preferably selected, in above-mentioned grating preparation method, the membrane material is in the optical cement
The side of water has the groove, occurs without refraction when light transmission film side flat smooth is to pass light through.
It is in the embodiment of the present invention is preferably selected, in above-mentioned grating preparation method, described that liquid crystal alignment layer is coated with
The step of molten state liquid crystal, includes：
The liquid crystal alignment layer is arranged at into fixed layer.
Printing operation and curing operation are carried out to the liquid crystal alignment layer, so that the liquid crystal alignment layer is away from the fixation
The surface of layer forms the 4th region of fluted 3rd region of tool and surfacing.
Having fluted surface to the liquid crystal alignment layer carries out the second rubbing operation；And to the 3rd region
Coating molten state liquid crystal.
In the embodiment of the present invention is preferably selected, in above-mentioned grating preparation method, it is described by the membrane material with it is described
Liquid crystal alignment layer is fitted, and carries out exposure curing and process the step of obtain grating including：
The surface that the liquid crystal alignment layer is coated with molten state liquid crystal is fitted in into the table that the membrane material has the groove
Face, so that the first area and the 3rd area coincidence, the second area and the 4th area coincidence.
Constant temperature orientation process is carried out to the liquid crystal alignment layer and the membrane material.
Liquid crystal alignment layer and membrane material after processing to constant temperature orientation carries out pre-cooling matching refractive index and processes.
Liquid crystal alignment layer after refractive index is processed is matched to pre-cooling and membrane material is exposed cured and obtains the grating.
In the embodiment of the present invention is preferably selected, in above-mentioned grating preparation method, the side of first rubbing
To parallel to each other with the direction of second rubbing.
In the embodiment of the present invention is preferably selected, in above-mentioned grating preparation method, the printing operation includes silk screen
Printing or letterpress.
In the embodiment of the present invention is preferably selected, in above-mentioned grating preparation method, the projection be column structure, institute
Groove is stated for column structure.
On the basis of the above, the embodiment of the present invention additionally provides a kind of grating preparation facilitiess, including：
Engraving equipment, it is for formulating the mould with projection according to engraving parameter, according to the Making mold membrane material, described
Membrane material includes the second area for having reeded first area and surfacing.
Friction roller, carries out the first rubbing operation for having reeded surface to the membrane material.
Coating apparatus, for being coated with molten state liquid crystal to liquid crystal alignment layer, so that the liquid crystal alignment layer is included with liquid
The 3rd brilliant region and not the 4th region with liquid crystal, the 3rd region are corresponding with the first area, and the described 4th
Region is corresponding with the second area.
Abutted equipment, for the membrane material is fitted with the liquid crystal alignment layer.
Curing apparatus, for being exposed cured.
In the embodiment of the present invention is preferably selected, in above-mentioned grating preparation facilitiess, the coating apparatus include for
It is coated with slot coated device, the work platformses for carrying and heating the liquid crystal alignment layer and the driving institute of molten state liquid crystal
State the driving means of work platformses running.
The present invention provides a kind of grating preparation method and device, by be respectively provided with grating the region with liquid crystal and
The region with liquid crystal, does not show purpose so as to reach 3D in the region with liquid crystal, reaches 2D in the not region with liquid crystal
The purpose of display, and then realize 2D and 3D and show coexistent purpose, solve in prior art because electrode design is complicated,
The high problem not with practicality of technique manufacturing cost.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Description of the drawings
Fig. 1 is the schematic flow sheet of grating preparation method provided in an embodiment of the present invention.
Fig. 2 is the structural representation of mould provided in an embodiment of the present invention.
Fig. 3 is the structural representation of membrane material provided in an embodiment of the present invention.
Fig. 4 is the schematic diagram of the first rubbing provided in an embodiment of the present invention.
Fig. 5 is the schematic diagram of coating method provided in an embodiment of the present invention.
Fig. 6 is the schematic diagram that membrane material provided in an embodiment of the present invention is fitted with liquid crystal alignment layer.
Fig. 7 is the FB(flow block) of step S130 in Fig. 1.
Fig. 8 is the FB(flow block) of step S170 in Fig. 1.
Fig. 9 is the FB(flow block) of step S190 in Fig. 1.
Figure 10 is the schematic diagram that exposure curing provided in an embodiment of the present invention is processed.
Icon：100- moulds；120- projections；200- membrane materials；220- first areas；240- second areas；300- liquid crystal is fixed
To layer；The 3rd regions of 320-；The 4th regions of 340-；400- friction rollers；500- coating apparatus；600- ultraviolet curing lamps.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
It is a part of embodiment of the present invention, rather than the embodiment of whole.The present invention generally described and illustrated in accompanying drawing herein
The component of embodiment can be arranged and be designed with a variety of configurations.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiment in the present invention, this area is common
The every other embodiment obtained under the premise of creative work is not made by technical staff, belongs to the model of present invention protection
Enclose.
It should be noted that：Similar label and letter represent similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then in subsequent accompanying drawing which further need not be defined and is explained.In description of the invention
In, term " first ", " second ", " the 3rd ", " the 4th " etc. are only used for distinguishing description, and it is not intended that being or implying relative
Importance.
As shown in figure 1, a kind of grating preparation method is embodiments provided, for preparing a kind of 2D/3D viewing areas
The grating that domain coexists.Idiographic flow and step shown in Fig. 1 will be described in detail below.
With reference to Fig. 2, step S110, the mould 100 with projection 120 is formulated according to engraving parameter.
Further, in the present embodiment, design parameter and 2D/3D viewing area of the engraving parameter by the grating
Relative position relation determining.The design parameter of the grating can include the viewpoint number of 3D viewing areas, the sub- picture for covering
Plain number, the angle of inclination of grating, side-play amount, and the size of 2D viewing areas.
Alternatively, the shape of the projection 120 is unrestricted, can both be column structure, or Fresnel structure.
In the present embodiment, the projection 120 is column structure.
Alternatively, the quantity of the projection 120 is unrestricted, can both be one, or multiple.In the present embodiment
In, the quantity of the projection 120 is multiple.
Alternatively, the relative position relation between multiple projections 120 can be it is various, it is unrestricted.In this enforcement
In example, multiple projections 120 are continuous, without interval setting.
With reference to Fig. 3, step S130, membrane material 200 is manufactured according to the mould 100, the membrane material 200 includes that tool is reeded
The second area 240 of first area 220 and surfacing.
Alternatively, in the present embodiment, the relative position between the shape of the groove, quantity and each groove is closed
System can be it is various, it is unrestricted.The relative position between shape, quantity and each projection 120 according to the projection 120
Put relation different, in the present embodiment, the groove is column structure, quantity for multiple and multiple grooves are continuous, nothing
Interval setting.
Alternatively, the quantity of the first area 220 and the second area 240 is unrestricted, can both be one,
Can be multiple.In the present embodiment, the first area 220 and the second area 240 are all two.
Step S150, the surface to the membrane material 200 with the groove carry out the first rubbing operation.
With reference to Fig. 4, the specific implementation of first rubbing can be it is various, it is unrestricted.In the present embodiment
In, first rubbing is completed by friction roller 400.
Alternatively, the concrete frictional direction of first rubbing is unrestricted, can both be relative with the grating
The polarization direction of the polaroid answered is parallel to each other, or is mutually perpendicular to.In the present embodiment, first rubbing
Frictional direction is parallel with the polarization direction.
With reference to Fig. 5, step S170, molten state liquid crystal is coated with to liquid crystal alignment layer 300, so that the liquid crystal alignment layer 300
There is the 4th region 340 of liquid crystal, the 3rd region 320 and described first including the 3rd region 320 with liquid crystal and not
Region 220 is corresponding, and the 4th region 340 is corresponding with the second area 240.
3rd region 320 is corresponding with the first area 220, refers to the 3rd region 320 in the orientation
The size and relative position of layer is identical in the size and relative position of the membrane material 200 with the first area 220.
4th region 340 is corresponding with the second area 240, refers to area of the 4th region 340 in the oriented layer
Size and relative position are identical in the size and relative position of the membrane material 200 with the second area 240.
Alternatively, it is described coating molten state liquid crystal specific implementation can be it is various, it is unrestricted.In the present embodiment
In, the specific implementation of the coating molten state liquid crystal is slot coated.
Further, in the present embodiment, the slot coated is completed by the coating apparatus 500.
With reference to Fig. 6, step S190, the membrane material 200 is fitted with the liquid crystal alignment layer 300, so that firstth area
Domain 220 is overlapped with the 3rd region 320, and the second area 240 is overlapped with the 4th region 340, and is exposed solid
Change is processed and obtains grating.
The grating in the first area 220 due to the presence of the groove, because the groove has the effect of light splitting
And the effect that there is 3D to show, 3D viewing areas can be become.The grating in the second area 240 due to surfacing,
Without refractive index difference, the effect that not there is with the effect of light splitting 2D to show, 2D viewing areas can be become.
Alternatively, the application scenario of display by made by the grating can be it is various, for example, internet web page, 3D
The fields such as advertisement, 3D game and medical science.In the present embodiment, the display application is in internet web page.
With reference to Fig. 7, step S130 can include following sub-step.
The mould 100 is had the surface coated optical glue of the projection 120 by sub-step S132.
Alternatively, the concrete material of the optical glue can be it is various, it is unrestricted, with good light transmission and viscous
Knot property.In the present embodiment, the optical glue is OCA optical cements.
Light transmission film is fitted with the optical glue by sub-step S134 by stitching operation.
Alternatively, the material of the light transmission film can be it is various, it is unrestricted, with good light transmission.
In the present embodiment, the light transmission film is the mylar with good light permeability.
Sub-step S136, is exposed cured, and makes described to the light transmission film, optical glue and mould 100
Light transmission film and the optical glue membrane material 200 isolated with the mould 100, the membrane material 200 include that the printing opacity is thin
Film and the optical glue.
Further, in the present embodiment, the membrane material 200 in the side of the optical glue have the groove, in
Occur without refraction when light transmission film side flat smooth is to pass light through.
With reference to Fig. 8, step S170 can include following sub-step.
The liquid crystal alignment layer 300 is arranged at fixed layer by sub-step S172.
The characteristics of very thin as the liquid crystal alignment layer 300 has, be to ensure that the grating has good optics special
Property, the thickness of the liquid crystal alignment layer 300 is micron order.For ease of being coated with molten state liquid crystal to the liquid crystal alignment layer 300, because
This needs for the liquid crystal alignment layer 300 to be fixed on the fixed layer in advance.
Alternatively, the concrete material of the liquid crystal alignment layer 300 and the fixed layer can be it is various, it is unrestricted.
In the present embodiment, the liquid crystal alignment layer 300 is made up of polyimides, and the fixed layer is glass.
Sub-step S174, carries out printing operation and curing operation to the liquid crystal alignment layer 300, so that the liquid crystal aligning
Layer 300 forms the 4th region 340 for having fluted 3rd region 320 and surfacing away from the surface of the fixed layer.
Alternatively, the specific implementation of the printing operation is unrestricted, you being silk screen printing, or convex
Version printing.In the present embodiment, the printing operation is silk screen printing.
Sub-step S176, having fluted surface to the liquid crystal alignment layer 300 carries out the second rubbing operation.
Alternatively, the concrete frictional direction of second rubbing is unrestricted, can both be relative with the grating
The polarization direction of the polaroid answered is parallel to each other, or is mutually perpendicular to.In the present embodiment, first rubbing
Frictional direction is parallel with the polarization direction, so that the frictional direction of first rubbing and second rubbing is put down
OK.
Sub-step S178, is coated with molten state liquid crystal to the 3rd region 320.
With reference to Fig. 9, step S190 can include following sub-step.
The surface that the liquid crystal alignment layer 300 is coated with molten state liquid crystal is fitted in the membrane material 200 by sub-step S192
Surface with the groove so that the first area 220 is overlapped with the 3rd region 320, the second area 240 with
4th region 340 overlaps.
Sub-step S194, carries out constant temperature orientation process to the liquid crystal alignment layer 300 and the membrane material 200.
Alternatively, the temperature of the constant temperature orientation can be it is various, it is unrestricted, with the tolerance range of the light transmission film
Determine with the clearing point of liquid crystal.In the present embodiment, the temperature of the constant temperature orientation is 80-110 degree Celsius.
Sub-step S196, the liquid crystal alignment layer 300 and membrane material 200 after processing to constant temperature orientation carry out pre-cooling matching refractive index
Process.
Sub-step S198, matches the liquid crystal alignment layer 300 after refractive index is processed to pre-cooling and membrane material 200 is exposed solidification
Process obtains the grating.
Alternatively, it is during the specific implementation of the exposure curing process can be more, unrestricted.With reference to Figure 10,
In the present embodiment, the exposure curing processes by ultraviolet curing lamp 600 to realize.
The embodiment of the present invention also provides a kind of grating preparation facilitiess.The grating preparation facilitiess include engraving equipment, friction
Roller 400, coating apparatus 500, abutted equipment and curing apparatus.
The engraving equipment, for formulating the mould 100 with projection 120 according to engraving parameter, according to the mould 100
Manufacture membrane material 200, the membrane material 200 include the second area 240 for having reeded first area 220 and surfacing.
In the present embodiment, S110 can be completed by the engraving equipment the step of Fig. 1.
The friction roller 400, carries out the first rubbing operation for having reeded surface to the membrane material 200.
In the present embodiment, S130 can be completed by the engraving equipment the step of Fig. 1.
The coating apparatus 500, for being coated with molten state liquid crystal to liquid crystal alignment layer 300, so that the liquid crystal alignment layer
300 include the 3rd region 320 with liquid crystal and the 4th region 340 with liquid crystal, the 3rd region 320 and described the
One region 220 is corresponding, and the 4th region 340 is corresponding with the second area 240.
In the present embodiment, S150 can be completed by the engraving equipment the step of Fig. 1.
The abutted equipment, for the membrane material 200 is fitted with the liquid crystal alignment layer 300.
In the present embodiment, S170 can be completed by the engraving equipment the step of Fig. 1.
The curing apparatus, for being exposed cured.
In the present embodiment, S190 can be completed by the engraving equipment the step of Fig. 1.
Further, in the present embodiment, the coating apparatus 500 are included for being coated with the slot coated of molten state liquid crystal
The driving of device, the work platformses for carrying and the heating the liquid crystal alignment layer 300 and driving work platformses running
Device.
In sum, the present invention is provided a kind of grating preparation method and device, have by being respectively provided with grating
The region of liquid crystal and the not region with liquid crystal, show purpose so as to reach 3D in the region with liquid crystal, do not have liquid crystal
Region reach the purpose that 2D shows, and then realize 2D and 3D and show coexistent purpose, solve in prior art because
Electrode design is complicated, the high problem not with practicality of technique manufacturing cost.Arranged by the column structure of groove, can be with
The light transmittance of grating is effectively improved, so as to improve the practicality of grating.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of grating preparation method, it is characterised in that include：
Mould with projection is formulated according to engraving parameter；
According to the Making mold membrane material, the membrane material includes the second area for having reeded first area and surfacing；
The surface to the membrane material with the groove carries out the first rubbing operation；
Molten state liquid crystal is coated with to liquid crystal alignment layer, so that the liquid crystal alignment layer includes the 3rd region with liquid crystal and do not have
There is the 4th region of liquid crystal, the 3rd region is corresponding with the first area, the 4th region and the second area
It is corresponding；And
The membrane material is fitted with the liquid crystal alignment layer, so that the first area and the 3rd area coincidence, described
Two regions and the 4th area coincidence, and carry out exposure curing process obtain grating.
2. grating preparation method according to claim 1, it is characterised in that the step according to the Making mold membrane material
Suddenly include：
The mould had into the surface coated optical glue of the projection；
Light transmission film is fitted with the optical glue by stitching operation；And
Cured is exposed to the light transmission film, optical glue and mould, and makes the light transmission film and optical glue
The membrane material isolated with the mould, the membrane material include the light transmission film and the optical glue.
3. grating preparation method according to claim 2, it is characterised in that the membrane material is in the side of the optical glue
Occur with the groove, when light transmission film side flat smooth is to pass light through without refraction.
4. grating preparation method according to claim 1, it is characterised in that described that molten state liquid is coated with to liquid crystal alignment layer
Brilliant step includes：
The liquid crystal alignment layer is arranged at into fixed layer；
Printing operation and curing operation are carried out to the liquid crystal alignment layer, so that the liquid crystal alignment layer is away from the fixed layer
Surface forms the 4th region of fluted 3rd region of tool and surfacing；
Having fluted surface to the liquid crystal alignment layer carries out the second rubbing operation；And
Molten state liquid crystal is coated with to the 3rd region.
5. grating preparation method according to claim 4, it is characterised in that described by the membrane material and the liquid crystal aligning
Layer laminating, and carry out exposure curing and process the step of obtain grating including：
The surface that the liquid crystal alignment layer is coated with molten state liquid crystal is fitted in into the surface that the membrane material has the groove, with
Make the first area and the 3rd area coincidence, the second area and the 4th area coincidence；
Constant temperature orientation process is carried out to the liquid crystal alignment layer and the membrane material；
Liquid crystal alignment layer and membrane material after processing to constant temperature orientation carries out pre-cooling matching refractive index and processes；And
Liquid crystal alignment layer after refractive index is processed is matched to pre-cooling and membrane material is exposed cured and obtains the grating.
6. grating preparation method according to claim 4, it is characterised in that the direction of first rubbing and described
The direction of the second rubbing is parallel to each other.
7. grating preparation method according to claim 4, it is characterised in that the printing operation includes silk screen printing or convex
Version printing.
8. grating preparation method according to claim 1, it is characterised in that the projection is column structure, the groove
For column structure.
9. a kind of grating preparation facilitiess, it is characterised in that include：
Engraving equipment, for formulating the mould with projection according to engraving parameter, according to the Making mold membrane material, the membrane material
Including the second area for having reeded first area and surfacing；
Friction roller, carries out the first rubbing operation for having reeded surface to the membrane material；
Coating apparatus, for being coated with molten state liquid crystal to liquid crystal alignment layer, so that the liquid crystal alignment layer is included with liquid crystal
3rd region and not the 4th region with liquid crystal, the 3rd region are corresponding with the first area, the 4th region
It is corresponding with the second area；
Abutted equipment, for the membrane material is fitted with the liquid crystal alignment layer；And
Curing apparatus, for being exposed cured.
10. grating preparation facilitiess according to claim 9, it is characterised in that the coating apparatus include molten for being coated with
Melt the slot coated device of state liquid crystal, the work platformses for carrying and heating the liquid crystal alignment layer and drive the work
The driving means of platform in operation.
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| CN201710045599.4A CN106547158A (en) | 2017-01-22 | 2017-01-22 | A kind of grating preparation method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111708112A (en) * | 2020-08-20 | 2020-09-25 | 歌尔股份有限公司 | Method for manufacturing liquid crystal grating |
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| KR20130013076A (en) * | 2011-07-27 | 2013-02-06 | 엘지디스플레이 주식회사 | Apparatus and method for manufacturing of liquid crystal lens panel |
| CN103676164A (en) * | 2012-09-19 | 2014-03-26 | 瀚宇彩晶股份有限公司 | Local stereo image display system, local stereo image display method and adjustment method thereof |
| CN103605225A (en) * | 2013-11-21 | 2014-02-26 | 深圳市华星光电技术有限公司 | 2D/3D-switchable integrated image creating method and liquid crystal box |
| CN104977772A (en) * | 2015-07-13 | 2015-10-14 | 张家港康得新光电材料有限公司 | Surface relief based liquid crystal lenticular array device, manufacturing method and display device |
| CN105739110A (en) * | 2016-05-06 | 2016-07-06 | 宁波维真显示科技有限公司 | Local naked eye 3D display |
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| CN111708112A (en) * | 2020-08-20 | 2020-09-25 | 歌尔股份有限公司 | Method for manufacturing liquid crystal grating |
| CN111708112B (en) * | 2020-08-20 | 2021-01-22 | 歌尔股份有限公司 | Method for manufacturing liquid crystal grating |
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Application publication date: 20170329 |