CN107479297A - A kind of liquid crystal lens preparation method and device - Google Patents
A kind of liquid crystal lens preparation method and device Download PDFInfo
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- CN107479297A CN107479297A CN201710820639.8A CN201710820639A CN107479297A CN 107479297 A CN107479297 A CN 107479297A CN 201710820639 A CN201710820639 A CN 201710820639A CN 107479297 A CN107479297 A CN 107479297A
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- liquid crystal
- crystal lens
- lens
- internal liquid
- substrate
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/29—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
-
- 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
-
- 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
- G02F1/1341—Filling or closing of cells
Abstract
The invention provides a kind of liquid crystal lens preparation method and device.Wherein, this method includes：Prepare internal liquid crystal lens；Wherein, the grating angle of the internal liquid crystal lens is 0 °；The internal liquid crystal lens are freezed into preset time, so that the liquid crystal is converted into solid-state by liquid；Internal liquid crystal lens after frost are cut so that the grating angle of the internal liquid crystal lens after cutting is predetermined angle；Internal liquid crystal lens after cutting are subjected to edge sealing, form liquid crystal lens.In the present invention, will not be due to grating angle in the presence of the deficient quality for filling bad phenomenon, lifting liquid crystal lens because the grating angle of internal liquid crystal lens is 0 °, therefore when irrigation crystal forms internal liquid crystal lens.
Description
Technical field
The present invention relates to optical technical field, in particular to a kind of liquid crystal lens preparation method and device.
Background technology
Three-dimensional (3Dimensions, 3D) Display Technique of early stage mainly passes through the auxiliary of the auxiliary equipments such as 3D glasses, the 3D helmets
Helping can allow people to enjoy stereoscopic picture plane.With the continuous development of 3D display technology, biography is gradually instead of from stereoscopic display
The 3D display technology of system, turn into the main flow of current 3D display technology.From stereoscopic display mainly by setting light on the display screen
Grid, the stereoscopic display of picture is realized based on the light-dividing principle of grating.
Current mainly includes from stereo display technique：Column mirror grating formula Auto-stereo display and slit grating formula are freely stood
Body is shown.Wherein, column mirror grating has two kinds, and one of which is merely able to show 3D pictures, i.e., pure column mirror grating；Another is can
To realize the liquid crystal lens of the switching of 3D and 2D pictures.Liquid crystal lens can mainly be changed using liquid crystal material when voltage is applied
Become its molecules align, so as to cause refractive index of the liquid crystal lens when applying voltage be different from do not apply voltage when refractive index this
One feature is made.
Current liquid crystal lens are when making, it is necessary to carry out irrigation crystal.And the structure limitation due to liquid crystal lens in itself,
Easily occur owing to fill bad phenomenon in irrigation crystal, influence the quality of liquid crystal lens.
The content of the invention
In view of this, the purpose of the embodiment of the present invention is to provide a kind of liquid crystal lens preparation method and device, can
Avoid occurring owing to fill bad phenomenon during irrigation crystal, lift the quality of liquid crystal lens.
In a first aspect, the embodiments of the invention provide a kind of liquid crystal lens preparation method, including：
Prepare internal liquid crystal lens；Wherein, the grating angle of the internal liquid crystal lens is 0 °；
The internal liquid crystal lens are freezed into preset time, so that the liquid crystal is converted into solid-state by liquid；
Internal liquid crystal lens after frost are cut so that the grating angle of the internal liquid crystal lens after cutting is pre-
If angle；
Internal liquid crystal lens after cutting are subjected to edge sealing, form liquid crystal lens.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the first of first aspect, wherein：Institute
State and prepare internal liquid crystal lens, specifically include：
Concavees lens are formed on upper electrically-conductive backing plate, upper substrate is made；The grating angle of the concavees lens is 0 °；
Oriented layer is formed on lower electrically-conductive backing plate, infrabasal plate is made；On the infrabasal plate with the internal liquid crystal lens
Grating a line on formed opening；
The upper substrate and the infrabasal plate are aligned into box, and irrigation crystal is carried out from the opening, during formation is described
Between liquid crystal lens.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of second of first aspect, wherein：Institute
State and form concavees lens on upper electrically-conductive backing plate, formed before the upper substrate, in addition to：
The electrically-conductive backing plate on the first conductive layer of the side of first substrate plating, formation；
Wherein, the first substrate is：Glass substrate, PET pet substrate or polycarbonate base
Any one in plate；
First conductive layer is：Tin indium oxide ITO conductive layer, graphene conductive layer, nano-silver conductive layer, metal grill
Any one in conductive layer, carbon nanotube conducting layer.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the third of first aspect, wherein：
Concavees lens are formed on upper electrically-conductive backing plate, upper substrate is formed, specifically includes：
The side of conductive layer is electroplate with electrically-conductive backing plate on described by mould to the concavees lens imprinting moulding, and it is right
The concavees lens of imprinting moulding are exposed solidification；
The mould is separated with the concavees lens, forms the upper substrate.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the 4th of first aspect kind, wherein：Institute
State and formed on lower electrically-conductive backing plate before oriented layer, in addition to：
In the side plated second conductive layer of second substrate, lower electrically-conductive backing plate is formed；
Wherein, the second substrate is：Glass substrate, PET pet substrate or polycarbonate base
Any one in plate；
Second conductive layer is：Tin indium oxide ITO conductive layer, graphene conductive layer, nano-silver conductive layer, metal grill
Any one in conductive layer, carbon nanotube conducting layer.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the 5th of first aspect kind, wherein：Institute
The width for stating side of the width of opening with forming the opening is identical.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the 6th of first aspect kind, wherein：Institute
Opening is stated to be formed using following step：
Side of the oriented layer away from the lower electrically-conductive backing plate second while, the 3rd while and the 4th side edge silk-screen envelope frame
Frame is wrong, and the opening is formed between the 3rd envelope circle at the described 4th is wrong.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the 7th of first aspect kind, wherein：
The temperature of the frost is less than the molten point of liquid crystal.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the 8th of first aspect kind, wherein：
The internal liquid crystal lens and the liquid crystal lens are rectangle；
When being cut to the internal liquid crystal lens after frost, the grating angle of line of cut and the internal liquid crystal lens is
Predetermined angle.
Second aspect, the embodiment of the present invention also provide a kind of liquid crystal lens preparation facilities, internal liquid crystal lens Preparation equipment,
For preparing internal liquid crystal lens；Wherein, the grating angle of the internal liquid crystal lens is 0 °；
Equipment is freezed, for the internal liquid crystal lens to be freezed into preset time, so that the liquid crystal is converted into by liquid
Solid-state；
Cutting equipment, for being cut to the internal liquid crystal lens after frost so that the internal liquid crystal lens after cutting
Grating angle be predetermined angle；
Edge sealing equipment, for the internal liquid crystal lens after cutting to be carried out into edge sealing, form liquid crystal lens.
The liquid crystal lens preparation method and device that the embodiment of the present invention is provided, first have to prepare internal liquid crystal lens；Its
In, the grating angle of the internal liquid crystal lens is 0 °, i.e. the two of which side of the axis of concavees lens and internal liquid crystal lens is hung down
Directly, it is parallel with two other side.Then the internal liquid crystal lens are freezed into preset time, the liquid crystal is converted into by liquid
After solid-state, the internal liquid crystal lens after frost are cut so that the grating angle of the internal liquid crystal lens after cutting is pre-
If angle；Internal liquid crystal lens after cutting are subjected to edge sealing, form liquid crystal lens.In this process, due to middle liquid crystal
The grating angle of lens is 0 °, therefore when irrigation crystal forms internal liquid crystal lens, will not be deposited due to grating angle
Owe to fill bad phenomenon, lift the quality of liquid crystal lens.
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.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 shows a kind of structural representation of liquid crystal lens that the embodiment of the present invention is provided under 3D display；
Fig. 2 shows a kind of structural representation of liquid crystal lens that the embodiment of the present invention is provided in the case where 2D is shown；
Fig. 3 shows that the liquid crystal lens that the embodiment of the present invention is provided occasionally showing for deficient filling bad phenomenon occur in irrigation crystal into middle
It is intended to；
Fig. 4 shows the flow chart for the liquid crystal lens preparation method that the embodiment of the present invention is provided；
Fig. 5 shows the flow chart for the specific method for preparing internal liquid crystal lens that the embodiment of the present invention is provided；
Fig. 6 shows the structural representation for the upper substrate that the embodiment of the present invention is provided；
Fig. 7 shows the structural representation for the infrabasal plate that the embodiment of the present invention is provided；
Fig. 8 shows the structural representation cut to internal liquid crystal lens that the embodiment of the present invention is provided；
Fig. 9 shows a kind of structural representation for liquid crystal lens preparation facilities that the embodiment of the present invention is provided.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
Middle 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 part of the embodiment of the present invention, rather than whole embodiments.The present invention being generally described and illustrated herein in the accompanying drawings is real
Applying the component of example can be configured to arrange and design with a variety of.Therefore, it is of the invention to what is provided in the accompanying drawings below
The detailed description of embodiment is not intended to limit the scope of claimed invention, but is merely representative of the selected reality of the present invention
Apply example.Based on embodiments of the invention, institute that those skilled in the art are obtained on the premise of creative work is not made
There is other embodiment, belong to the scope of protection of the invention.
Referring to shown in Fig. 1 and Fig. 2, it can show that the liquid crystal lens switched between 3D display include in 2D：Relatively
The top glass substrate 101 and lower glass substrate 102 of setting；Top glass substrate 101 is set towards the side of lower glass substrate 102
There is upper ITO electrode 103；The side of lower glass substrate 102 towards top glass substrate 101 is provided with lower tin indium oxide (ITO) electrode
104.The concavees lens for multiple bar shapeds that upper ITO electrode 103 is formed towards the side of lower ITO electrode 104 formed with polymeric material
106, the axis of the concavees lens 106 of multiple bar shapeds is parallel, and the refractive index of concavees lens 106 is np, in the lower court of ITO electrode 104
The side of upward ITO electrode 103 forms oriented layer 105, and frictional direction and the LCDs 109 of the oriented layer 105 pass through partially
Shake piece 108 polarization direction it is parallel, liquid crystal layer 107 is formed between concavees lens 106 and oriented layer 105, liquid crystal layer 107 has double
Refractiveness, refractive index is n during parallel arrangemente, refractive index is n during vertical arrangemento, and ne＞ no=np。
This liquid crystal lens when in use, are arranged on the surface of display screen (as shown in Fig. 1 109), display screen 109
Polaroid 108 is additionally provided between liquid crystal lens.It realizes that 2D is shown and the main realization principle of 3D display switching is：When
When not applying voltage between upper ITO electrode 103 and lower ITO electrode 104, the molecular level of liquid crystal layer 107 arrangement (such as Fig. 1), arrangement
The polarization direction that direction passes through polarizer 108 with display screen 109 is parallel, refractive index ne, more than polymeric material refractive index np,
For 3D display state；When applying voltage between upper ITO electrode 103 and lower ITO electrode 104, liquid crystal molecule is along electric field vertical row
Arrange (such as Fig. 2), refractive index n vertical with polarization directiono, equal to polymeric material refractive index np, it is 2D dispaly states.
As shown in figure 3, when liquid crystal lens irrigation crystal, it is necessary to be injected liquid crystal into from sealing side between concavees lens and oriented layer
Space in；By grating angle (i.e. grating inclination angle in Fig. 3) α (the i.e. axis of concavees lens and liquid crystal lens wherein a line institute
Into angle) be more than 0 °, therefore the sky that is formed between part concavees lens positioned at 2D/3D switchable liquid crystal rims of the lens and oriented layer
Between can be closed, to liquid crystal circulation passage formed obstruct, cause as shown in Figure 3 exist owe irrigated area domain, cause during irrigation crystal
Occur owing to fill bad phenomenon, influence the quality of liquid crystal lens.Based on this, a kind of liquid crystal lens preparation method of the application offer
And device, it can avoid occurring owing to fill bad phenomenon during irrigation crystal, lift the quality of liquid crystal lens.
For ease of understanding the present embodiment, first to a kind of liquid crystal lens preparation side disclosed in the embodiment of the present invention
Method describes in detail.
It should be noted that in the description of the invention, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention." on ", " under ", " the 3rd " in addition, term
It is only used for describing purpose, and it is not intended that instruction or hint relative importance.
In addition, in the description of the invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " company
Connect " it should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or it is integrally connected；It can be machine
Tool connects or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be two members
Connection inside part.For the ordinary skill in the art, it can understand that above-mentioned term is new in this practicality with concrete condition
Concrete meaning in type.
Shown in Figure 4, the liquid crystal lens preparation method that the embodiment of the present application is provided specifically includes：
S401：Prepare internal liquid crystal lens；Wherein, the grating angle of internal liquid crystal lens is 0 °.
When specific implementation, internal liquid crystal lens are a more special liquid crystal lens, and its structure and liquid crystal are saturating
The structure of mirror is identical, but grating angle is 0 °.And due in subsequent step S403, to be cut to internal liquid crystal lens,
Obtain the liquid crystal lens that meet the size requirements, therefore the area of internal liquid crystal lens is greater than the liquid crystal lens that are ultimately formed
Area.
Specifically, shown in Figure 5, the embodiment of the present application provides a kind of specific method for preparing internal liquid crystal lens, bag
Include：
S501：Concavees lens are formed on upper electrically-conductive backing plate, upper substrate is made；The grating angle of the concavees lens is 0 °.
When specific implementation, shown in Figure 6, the axis of the concavees lens 106 formed on upper electrically-conductive backing plate is equal
It is parallel with the Y-axis in the three-dimensional system of coordinate established and parallel with X-axis, i.e., now, if regarding upper substrate as liquid crystal lens
A part, then now the grating angle of concavees lens 106 be 0 °.
Specifically, formed on upper electrically-conductive backing plate before concavees lens, in addition to：In the side of first substrate, plating first is led
Electric layer, electrically-conductive backing plate in formation.
Wherein, the first substrate is：Glass substrate, PET pet substrate or polycarbonate base
Any one in plate；
First conductive layer is：Tin indium oxide ITO conductive layer, graphene conductive layer, nano-silver conductive layer, metal grill
Any one in conductive layer, carbon nanotube conducting layer.
Herein, using first substrate as glass substrate, conductive layer is exemplified by ITO conductive layer：
The first substrate is the top glass substrate 101 in Fig. 1；ITO is electroplated in the side of top glass substrate 101, is formed
Upper ITO electrode 103 (i.e. the first conductive layer), top glass substrate 101 and upper ITO electrodes 103 collectively form electrically-conductive backing plate.
When concavees lens are formed on upper electrically-conductive backing plate, it can be specifically electroplate with and led on upper electrically-conductive backing plate by mould
The side imprinting moulding concavees lens of electric layer.
Specifically, the convex lens being engaged with concavees lens are formed on mould, and at the edge of convex lens formed with frame；Side
Inframe portion holds the polymeric material to form concavees lens, when the polymer is held in a mold, in a kind of easily by plastotype
State, and after exposure, it is changed into hard solid-state.Mould is contained with the side of polymeric material and electricity on upper electrically-conductive backing plate
The side for being coated with conductive layer is pressed together so that polymeric material is closely affixed with the first conductive layer.To polymeric material
After being exposed, polymeric material is converted into hard solid-state, and is fixed together with the first conductive layer, in upper conductive base plate shape
Into concavees lens.Then, mould is separated with the concavees lens formed, forms upper substrate.
S502：Oriented layer is formed on lower electrically-conductive backing plate, infrabasal plate is made；It is saturating with the middle liquid crystal on the infrabasal plate
The grating of mirror is provided with opening on the first vertical side.
It is shown in Figure 7 when specific implementation, for convenience, opening will be provided with lower electrically-conductive backing plate
When being referred to as first, it is referred to as the second side when relative and parallel with first；It is referred to as with first in adjacent and vertical two
3rd while and when the 4th.X in the first side formed on lower electrically-conductive backing plate where being open and the three-dimensional system of coordinate established
Axle is parallel, and this is first at two vertical with grating (axis of concavees lens) on for lower electrically-conductive backing plate wherein one.
Herein, set be open when, can side of the oriented layer away from lower electrically-conductive backing plate second while, the 3rd while
It is wrong with the edge silk-screen envelope circle on the 4th side；The wrong envelope circle is thermohardening type sealant, and main function is encapsulated liquid crystals box,
To prevent liquid crystal leakage or air from entering in liquid crystal cell.Institute is formed between the 3rd envelope circle at the described 4th is wrong
State opening, that is, it is 0 to seal the circle wrong width on the first side, i.e., it is wrong to be not present envelope circle on the first side, therefore by first substrate
When contraposition with second substrate into box, lower electrically-conductive backing plate second while, the 4th while and the 3rd side sealed with first substrate, the
While being non-tight side, formed for irrigation crystal opening.Wherein, in order to realize the irrigation crystal to all concavees lens, the length of the opening
Equal to the length on first side.
In addition, formed on lower electrically-conductive backing plate before oriented layer, in addition to：In the side of second substrate, plating second is conductive
Layer, form the lower electrically-conductive backing plate.
Wherein, wherein, the second substrate is：Glass substrate, PET PET substrates or poly- carbonic acid
Any one in ester PC substrates；
Second conductive layer is：Tin indium oxide ITO conductive layer, graphene conductive layer, nano-silver conductive layer, metal grill
Any one in conductive layer, carbon nanotube conducting layer.
Herein, so that second substrate is lower glass substrate, the second conductive layer is ITO conductive layer as an example：The second substrate is
Lower glass substrate 102 in Fig. 1；ITO is electroplated in the side of lower glass substrate 102, forms lower ITO electrode 104, lower glass substrate
102 and lower ITO electrode 104 collectively form lower electrically-conductive backing plate.
Herein it should be noted that the frictional direction of the oriented layer 105 of final obtained liquid crystal lens and liquid crystal display
Screen 109 is parallel through the polarization direction of polarizer 108.
In addition, it is also to be noted that the sequencing that above-mentioned steps S501 and S502 are not carried out, can be first carried out
S501, S502 is performed afterwards；S502 can also be first carried out, performs S501 afterwards；S501 and S502 can also be performed parallel.
S503：The upper substrate and the infrabasal plate are aligned into box, and irrigation crystal is carried out from the opening, forms institute
State internal liquid crystal lens.
When specific implementation, upper substrate and infrabasal plate are two parts up and down of internal liquid crystal lens respectively, are being made
When making, upper substrate is as a rule consistent with the shape of infrabasal plate with area, i.e., when upper substrate coordinates with infrabasal plate, energy
Enough form an entirety.When upper substrate and infrabasal plate are aligned into box, actually upper substrate is provided with recessed
The side of lens and infrabasal plate are provided with the side of oriented layer relatively and are fixed together so that shape between upper substrate and infrabasal plate
Space into before using concavees lens and oriented layer is overall into box as liquid crystal free air space, and in opening to all liquid crystal stream
Logical space carries out irrigation crystal, ultimately forms intermediate lens.
S402：The internal liquid crystal lens are freezed into preset time, so that the liquid crystal is converted into solid-state by liquid.
When specific implementation, liquid crystal is usually liquid at normal temperatures.Internal liquid crystal lens when irrigation crystal is carried out,
And the liquid crystal of liquid enters concavees lens and the liquid crystal free air space formed before oriented layer.And the centre now formed
Liquid crystal lens can not carry out specifically used, internal liquid crystal lens be cut so that its size meets production requirement.
Therefore internal liquid crystal lens are freezed into preset time so that liquid crystal is converted into solid-state by industry situation.
Specifically, the temperature of frost is less than the molten point of liquid crystal.When the temperature of liquid crystal is in below its molten point, turned by liquid
It is changed into solid-state, the cutting to internal liquid crystal lens can be realized and the structure of the liquid crystal lens formed will not be destroyed after cutting.
S403：Internal liquid crystal lens after frost are cut so that the grating angle of the internal liquid crystal lens after cutting
Spend for predetermined angle.
Specific implementation when, it is shown in Figure 8, liquid crystal lens it is generally rectangular in shape；Therefore liquid crystal is saturating among
The shape of mirror is also generally rectangular cross-section.
It is saturating to the middle liquid crystal after frost in order to ensure that the grating angle of liquid crystal lens is predetermined angle when cutting
When mirror is cut, the grating angle of line of cut and the internal liquid crystal lens is predetermined angle.
Wherein, in order to save material, when cutting, carried out typically at relative two angle of internal liquid crystal lens
Cutting.
S404：Internal liquid crystal lens after cutting are subjected to edge sealing, form liquid crystal lens.
Cut by internal liquid crystal lens, after forming the required liquid crystal lens shape of production, in after cutting
Between liquid crystal lens carry out edge sealing, formed liquid crystal lens.
It should be noted that when cutting and carrying out edge sealing to the internal liquid crystal lens after cutting, it is also desirable to less than liquid
Carried out at temperature below brilliant molten point, to prevent during subsequent production, liquid crystal due to temperature it is too high by it is solid state transformed be liquid
State, when being finished so as to the also non-edge sealing of internal liquid crystal lens after dicing, flowed out from the edge of cutting.
In addition, before internal liquid crystal lens carry out edge sealing, it is also necessary to which it is cleaned.
The liquid crystal lens preparation method that the embodiment of the present application is provided, first has to prepare internal liquid crystal lens；Wherein, it is described
The grating angle of internal liquid crystal lens is 0 °, i.e. the axis of concavees lens is vertical with the two of which side of internal liquid crystal lens, and another
Outer two sides are parallel.Then the internal liquid crystal lens are freezed into preset time, after the liquid crystal is converted into solid-state by liquid,
Internal liquid crystal lens after frost are cut so that the grating angle of the internal liquid crystal lens after cutting is predetermined angle；
Internal liquid crystal lens after cutting are subjected to edge sealing, form liquid crystal lens.In this process, due to the light of internal liquid crystal lens
Grid angle is 0 °, therefore when irrigation crystal forms internal liquid crystal lens, will not exist due to grating angle and owe to fill not
Good phenomenon, lift the quality of liquid crystal lens.
Based on same inventive concept, it is saturating that liquid crystal corresponding with liquid crystal lens preparation method is additionally provided in the embodiment of the present invention
Mirror preparation facilities, because the device in the embodiment of the present invention solves the principle of problem and the above-mentioned liquid crystal lens system of the embodiment of the present invention
Preparation Method is similar, therefore the implementation of device may refer to the implementation of method, repeats part and repeats no more.
Further embodiment of this invention also provides a kind of liquid crystal lens preparation facilities, shown in Figure 9, institute of the embodiment of the present invention
The liquid crystal lens preparation facilities of offer includes：
Internal liquid crystal lens Preparation equipment, for preparing internal liquid crystal lens；Wherein, the grating of the internal liquid crystal lens
Angle is 0 °；
Equipment is freezed, for the internal liquid crystal lens to be freezed into preset time, so that the liquid crystal is converted into by liquid
Solid-state；
Cutting equipment, for being cut to the internal liquid crystal lens after frost so that the internal liquid crystal lens after cutting
Grating angle be predetermined angle；
Edge sealing equipment, for the internal liquid crystal lens after cutting to be carried out into edge sealing, form liquid crystal lens.
The liquid crystal lens preparation facilities that the embodiment of the present application is provided, is prepared by internal liquid crystal lens preparation facilities first
Internal liquid crystal lens；Wherein, the grating angle of the internal liquid crystal lens is 0 °, the i.e. axis and internal liquid crystal lens of concavees lens
Two of which side it is vertical, it is parallel with two other side.Then it is by freezing equipment that internal liquid crystal lens frost is default
Time, after making the liquid crystal be converted into solid-state by liquid, to being cut using cutting equipment to the internal liquid crystal lens after frost
Cut so that the grating angle of the internal liquid crystal lens after cutting is predetermined angle；Finally using edge sealing equipment by after cutting
Between liquid crystal lens carry out edge sealing, formed liquid crystal lens.In this process, because the grating angle of internal liquid crystal lens is 0 °,
Therefore when irrigation crystal forms internal liquid crystal lens, bad phenomenon will not be filled in the presence of deficient due to grating angle, carried
Rise the quality of liquid crystal lens.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
- A kind of 1. liquid crystal lens preparation method, it is characterised in that including：Prepare internal liquid crystal lens；Wherein, the grating angle of the internal liquid crystal lens is 0 °；The internal liquid crystal lens are freezed into preset time, so that the liquid crystal is converted into solid-state by liquid；Internal liquid crystal lens after frost are cut so that the grating angle of the internal liquid crystal lens after cutting is preset angle Degree；Internal liquid crystal lens after cutting are subjected to edge sealing, form liquid crystal lens.
- 2. liquid crystal lens preparation method according to claim 1, it is characterised in that described to prepare internal liquid crystal lens, tool Body includes：Concavees lens are formed on upper electrically-conductive backing plate, upper substrate is made；The grating angle of the concavees lens is 0 °；Oriented layer is formed on lower electrically-conductive backing plate, infrabasal plate is made；On the infrabasal plate with the light of the internal liquid crystal lens Opening is formed in a line of grid；The upper substrate and the infrabasal plate are aligned into box, and irrigation crystal is carried out from the opening, forms the middle interstitial fluid Brilliant lens.
- 3. liquid crystal lens preparation method according to claim 2, it is characterised in that it is described formed on upper electrically-conductive backing plate it is recessed Lens, formed before the upper substrate, in addition to：The electrically-conductive backing plate on the first conductive layer of the side of first substrate plating, formation；Wherein, the first substrate is：In glass substrate, PET pet substrate or polycarbonate substrate Any one；First conductive layer is：Tin indium oxide ITO conductive layer, graphene conductive layer, nano-silver conductive layer, metal grill are conductive Any one in layer, carbon nanotube conducting layer.
- 4. liquid crystal lens preparation method according to claim 3, it is characterised in that formed on upper electrically-conductive backing plate recessed Mirror, upper substrate is formed, is specifically included：The side of conductive layer is electroplate with electrically-conductive backing plate on described by mould to the concavees lens imprinting moulding, and to impressing The concavees lens of shaping are exposed solidification；The mould is separated with the concavees lens, forms the upper substrate.
- 5. liquid crystal lens preparation method according to claim 2, it is characterised in thatIt is described to be formed on lower electrically-conductive backing plate before oriented layer, in addition to：In the side plated second conductive layer of second substrate, lower electrically-conductive backing plate is formed；Wherein, the second substrate is：In glass substrate, PET pet substrate or polycarbonate substrate Any one；Second conductive layer is：Tin indium oxide ITO conductive layer, graphene conductive layer, nano-silver conductive layer, metal grill are conductive Any one in layer, carbon nanotube conducting layer.
- 6. the liquid crystal lens preparation method according to claim 2 or 5, it is characterised in that the width of the opening and formation The width on the side of the opening is identical.
- 7. liquid crystal lens preparation method according to claim 6, it is characterised in that the opening uses following step shape Into：Side of the oriented layer away from the lower electrically-conductive backing plate second while, the 3rd while and the 4th side edge silk-screen envelope circle It is wrong, form the opening between the 3rd envelope circle at the described 4th is wrong.
- 8. liquid crystal lens preparation method according to claim 1, it is characterised in that the temperature of the frost is less than liquid crystal Molten point.
- 9. liquid crystal lens preparation method according to claim 1, it is characterised in that the internal liquid crystal lens and the liquid Brilliant lens are rectangle；When being cut to the internal liquid crystal lens after frost, the grating angle of line of cut and the internal liquid crystal lens is default Angle.
- A kind of 10. liquid crystal lens preparation facilities, it is characterised in that including：Internal liquid crystal lens Preparation equipment, for preparing internal liquid crystal lens；Wherein, the grating angle of the internal liquid crystal lens For 0 °；Equipment is freezed, for the internal liquid crystal lens to be freezed into preset time, so that the liquid crystal is converted into solid-state by liquid；Cutting equipment, for being cut to the internal liquid crystal lens after frost so that the light of the internal liquid crystal lens after cutting Grid angle is predetermined angle；Edge sealing equipment, for the internal liquid crystal lens after cutting to be carried out into edge sealing, form liquid crystal lens.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111781775A (en) * | 2019-09-10 | 2020-10-16 | 合肥工业大学 | Preparation method of liquid crystal micro-lens array based on thickness gradient distribution orientation film |
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