CN104977773B - Surface floating type liquid crystal column lens array device, manufacturing method and display device - Google Patents
Surface floating type liquid crystal column lens array device, manufacturing method and display device Download PDFInfo
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- CN104977773B CN104977773B CN201510408421.2A CN201510408421A CN104977773B CN 104977773 B CN104977773 B CN 104977773B CN 201510408421 A CN201510408421 A CN 201510408421A CN 104977773 B CN104977773 B CN 104977773B
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- liquid crystal
- ito electrode
- lens array
- floating type
- array device
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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
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
- H04N13/305—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using lenticular lenses, e.g. arrangements of cylindrical lenses
Abstract
The invention discloses a kind of surface floating type liquid crystal column lens array devices, mainly by upper substrate component, lower substrate component, plano-convex lens component, a plurality of liquid crystal molecules, glue sealing structure, conduct structure, constituted with external power supply.Wherein, which includes lower ITO electrode layer, secondary ITO electrode, a plurality of light shielding parts and several lower contraposition targets；The upper substrate component includes upper ITO electrode layer and contraposition target on several；The plano-convex lens component is set in the lower ITO electrode layer of the lower substrate component；A plurality of liquid crystal molecules are set on the convex lens；The external power supply is then electrically connected to the lower ITO electrode layer and the secondary ITO electrode, by the driving of appropriate voltage V a plurality of liquid crystal cylindrical lenses, achievees the purpose that changeable 2D and 3D display.The invention also discloses the manufacturing method of the array apparatus and use its display device.
Description
Technical field
The invention belongs to the fields that naked view 3D image is shown, belong to the technical field of liquid crystal column lens array, especially
Relate to the use of surface method for floating (Surface Relief Method), to reach the technology of 2D and the switching of 3D image.
Background technique
As shown in Figure 1, being the schematic diagram of known 2D and 3D image switching display devices.Known 2D and 3D image are switched
It shows equipment (2D and 3D Image Switchable Display) 10, is generally using liquid crystal what comes into a driver's separation assembly 12
(Liquide Crystal View Separator), and be installed in front of 11 screen of liquid crystal display.For the sight
Installation for the viewing location of reward person 13, by the liquid crystal what comes into a driver's separation assembly 12, before being mounted on 11 screen of liquid crystal display
Mode, hereinafter referred to as preceding mounting means (Front Installation Method).
In addition, by the driving of external appropriate electrical voltage V, which can be presented transparent light and wear
Saturating state, up to the effect of the display of 2D image；Or the state of what comes into a driver's separation is presented, up to the effect of the display of 3D image.
Generally, the liquid crystal what comes into a driver's separation assembly 12, being can be by liquid crystal column lens array component (Liquid Crystal
Lenticular Device) or liquid crystal parallax grating assembly (Liquid Crystal Parallax Barrier Device)
It constitutes.Due to the relevant technologies of the present invention, belong to the field of liquid crystal column lens array component, in particular for utilize surface
Method for floating (Surface Relief Method), to reach the field of 2D Yu 3D image handoff technique, below just for known table
Face method for floating liquid crystal column lens array component illustrates well known technology.
As shown in Fig. 2, the schematic diagram constituted for surface floating type liquid crystal column lens array device.It is tied shown in the figure
Structure disclosed by 069,650, please refers to the explanation of Fig. 3 in the patent specification by United States Patent (USP) US6.
The surface floating type liquid crystal column lens array device 15, mainly includes a traditional cylindrical mirror array component
(Conventional Lenticular Sheet) 30, two ITO electrode layer 34,37, one has can automatically controlled change light refractive index
Photoelectric material (Elecro-Optic Material) 38, constituted with a transparent planar substrate 36.Wherein, traditional column
Mirror array component 30 is by several cylindrical lenses components arranged in parallel (Parallel Lenticular Elements) 16
Constituted, the cylindrical lenses component 16, in being made of convex lens, on material then by transparent polymer material
(Polymeric Material) is constituted, and processing procedure can be molded or be machined or be etched by light
(Photolithographic Process) is to generate the cylindrical lenses component.The transparent planar substrate 36, is by flat
Transparent glass or plastic material are constituted.Two ITO electrode layer 34,37 is the surface for being respectively covered in the cylindrical lenses component 16
32, and on the surface 34 of the transparent planar substrate 36.Between two surface, then fill up have can automatically controlled change light refractive index
Photoelectric material (Elecro-Optic Material) 38, this can it is automatically controlled change light refractive index photoelectric material 38, then by liquid
Brilliant material is constituted, and generally, can be made of nematic crystal (Nematic Liquid Crystal) material.
The above-mentioned US6, the skill of surface floating type liquid crystal column lens array device 15 disclosed by 069,650 patent,
It is pertaining only to the composition of theoretical construct, does not meet the requirement of available liquid crystal technique.For example, the ITO electrode layer 34 is to be set to cylindrical mirror
On the arc surface of lens, between the ITO electrode layer 37, an equally distributed parallel electric field can not be formed, finally, leads to liquid crystal point
Son can not form the consistent arrangement in direction.
As shown in figure 3, the schematic diagram constituted for Improvement type surface floating type liquid crystal column lens array device.Shown in the figure
Structure please refer to the explanation of Fig. 2~3 in the patent specification as disclosed by United States Patent (USP) US20080259233.
Improvement type surface floating type liquid crystal column lens array device (Surface Relief Based Liquid
Crystal Lenticular Device) 50, it is that is, will for above-mentioned patent US6,069,650 missing, made improvement
ITO electrode, by the arc surface of lens, in one plane of dislocation.The Improvement type surface floating type liquid crystal column lens array device
50, mainly by upper and lower transparent substrate 39,41, upper and lower ITO electrode layer 43,45, plano-concave lens component 47, a plurality of liquid crystal molecules
49 are constituted.Wherein, the plano-concave lens component 47 has light refractive index np；A plurality of liquid crystal molecules 49, being can be by nematic
Liquid crystal (Nematic Liquid Crystal) material is constituted, the spy with Birefringent optical (Birefringent Optics)
Sign, ordinary refraction index (Ordinary Refractive Index) are no, abnormal optical index (Extraordinary
Refractive Index) it is ne, and there is no=np、ne>npRelationship.The upper and lower ITO electrode layer 39,41, to be connected to electricity
Source V.
In addition, the liquid crystal column lens array component 50, to be mounted on before LCD screen (not indicated in figure), the liquid
Brilliant screen is to show 2D or 3D image (not indicating in figure)；The light source of the 2D or 3D image, by the LCD screen outermost layer
After the effect of polaroid (not indicating in figure), become the light source 53 of linear polarization polarisation, enabling its polarization direction is perpendicular to paper.
Under no extra electric field, i.e. V=OFF, the arrangement of the nematic liquid crystal molecules 49 has optical axis perpendicular to paper
Feature.For incident light 53, because its light polarization direction is parallel with 49 optical axis of liquid crystal molecule, to experience abnormal optical index
ne.In addition, when the incident light 53 passes through the plano-concave lens array 47, because of ne>npEvent, which then experiences convex lens
The effect of mirror, therefore above-mentioned optical characteristics is suitable for presenting the display of 3D image.
In addition, there is optical axis to lie low in paper for i.e. V=ON, the arrangement of the nematic liquid crystal molecules 49 under extra electric field
Face and perpendicular to the feature of the upper and lower ITO electrode layer 43,45, that is, be parallel to the direction (not indicating in figure) of electric field.For entering
It penetrates for light 53, because its light polarization direction is vertical with 49 optical axis of liquid crystal molecule, to experience ordinary no.In addition, working as the incident light
53 pass through the plano-concave lens array 47 when, because of no=npEvent, which is not influenced by the plano-concave lens array 47, directly
It connects and penetrates the plano-concave lens array 47, therefore above-mentioned optical characteristics is suitable for presenting the display of 2D image.
The skill of surface floating type liquid crystal column lens array device 50 disclosed by the above-mentioned US20080259233 patent
Skill still belongs to the composition of theoretical construct, does not meet the requirement of available liquid crystal box (Liquid Crystal Cell) technique.For example,
In the plano-concave lens array 47 and lower 45 face of ITO electrode layer, setting (1) orientation film layer, (2) wall, (3) are had no electrically
The structures such as connection and (4) sealing.Finally, lead to the Improvement type surface floating type liquid crystal column lens array device 50, it can not structure
It can really be produced at one, workable component.
In conclusion above-mentioned three kinds of liquid crystal column lens array components, all have by liquid crystal molecule, with reach can modulation
The feature of light refractive index.Therefore skill well known to above-mentioned three kinds can be ranged a kind of interdependent liquid crystal cylindrical lenses battle array of liquid crystal
The technical field of column component.
Summary of the invention
The invention discloses a kind of surface floating type liquid crystal column lens array devices comprising: lower substrate component, under
Transparent substrate, lower ITO electrode layer, secondary ITO electrode, electrical blocking-up structure, a plurality of light shielding parts and several lower contraposition targets
It is constituted；Upper substrate component, by upper transparent substrate, upper ITO electrode layer, contraposition target and upper alignment film institute structure on several
At；Plano-convex lens component, is made of transparent material comprising has a plurality of convex lens, sealing face, a plurality of alignment liquids slow
Impulse face and lower alignment film, the plano-convex lens component are set in the lower ITO electrode layer of the lower substrate component；A plurality of liquid crystal point
Son is set on the convex lens, a plurality of to constitute by the driving of the upper and lower ITO electrode layer and the voltage of external power supply
Liquid crystal cylindrical lenses；Glue sealing structure is set on the sealing face, for connecting and fixing the upper substrate component and lower substrate group
Part, and seal a plurality of liquid crystal molecules；And structure is conducted, it is set in the secondary ITO electrode, is connected on this with connection
ITO electrode layer；The external power supply is electrically connected to the lower ITO electrode layer and the secondary ITO electrode, drives the plural number by voltage V
A liquid crystal cylindrical lenses achieve the purpose that 2D and 3D is changeable.
Preferably, the lower transparent substrate and the upper transparent substrate are all made of transparent glass.
Preferably, the lower ITO electrode layer, the secondary ITO electrode, the electrical blocking-up structure and a plurality of light shielding part settings
In the lower transparent substrate the same face, which is set between the lower ITO electrode layer and the secondary ITO electrode.
Preferably, the lower ITO electrode layer and the secondary ITO electrode are done electrically each by a plain conductor and the external power supply
Connection.
Preferably, which be made of black photoresist.
Preferably, which is set on the lower ITO electrode layer.
Preferably, several described lower contraposition targets are set to four corners of lower transparent substrate, described under several
Aligning target is made of metal material；Alternatively, the contraposition target on several is set to four angles of transparent substrate
Fall place, the contraposition target on several is made of metal material.
Preferably, the transparent material of the plano-convex lens component has light refractive index np, can be consolidated selected from glass or UV
Change resin.
Preferably, when the transparent material of the plano-convex lens component is selected from UV curable resin, the plano-convex lens component
The plano-convex lens component straight forming can be set on the lower substrate component by a plane ultra-violet curing process.
Preferably, the convex lens are selected from arc-shaped to fill a plurality of liquid crystal molecules, the convex lens
Convex lens either multi-panel shape convex lens.
Preferably, when the convex lens are selected from arc-shaped convex lens, the arc-shaped convex lens have radius R,
Periodic width PL, lens height h and underlayer thickness t.
Preferably, the underlayer thickness t is less than 10 μm.
Preferably, the sealing face is the two sides for being set to the plano-convex lens component.
Preferably, a plurality of alignment liquid buffering sufaces are set between the sealing face of the two sides, are extra for absorbing
Alignment liquid, to keep uniform orientation film thickness, each alignment liquid buffering suface have width S.
Preferably, the width S of the alignment liquid buffering suface is less than 10 μm.
Preferably, the lower alignment film is to be matched by rotation or immersion or the processing procedures such as letterpress or spray printing with coating
To film liquid on the surface of a plurality of convex lens and a plurality of alignment liquid buffering sufaces；The orientation film liquid is toasted using heat
With the processing procedure of orientation, allow a plurality of liquid crystal molecules that can be arranged in same direction；The alignment direction of the lower alignment film is parallel to
The direction of the changeable liquid crystal cylindrical lenses long axis.Alignment liquid is coated on a plurality of convex lens and a plurality of orientations
On the surface of liquid buffering suface, and processing procedure is toasted through overheat, to generate the lower alignment film；By rotate or impregnate or letterpress or
Alignment liquid is coated on this on surface of ITO electrode layer by the processing procedures such as spray printing, and toasts processing procedure through overheat, is matched under this with generating
The alignment film on film
Preferably, a plurality of liquid crystal molecules is nematic liquid crystalline material compositions, the feature with Birefringent optical,
Ordinary refraction index is no, abnormal optical index be ne, and there is no=npAnd ne>npRelationship.
Preferably, a plurality of light shielding parts have periodic width PBWith line width B, there is PB=PLAnd the relationship of B > S, it should
The setting position of a plurality of light shielding parts is corresponded and in alignment with a plurality of alignment liquid buffering sufaces, can be covered this and a plurality of be matched
The light of crosstalk occurred to liquid buffering suface.
Preferably, the upper plate component is by a photoetch processing procedure by ITO electrode layer on this and this several upper contraposition
Target is set in transparent substrate.
Preferably, the upper alignment film is to be matched by rotation or immersion or the processing procedures such as letterpress or spray printing with coating
To film liquid on the surface of ITO electrode layer on this；The orientation film liquid allows a plurality of liquid using heat baking and the processing procedure of orientation
Brilliant molecule can be arranged in same direction.
Preferably, the material of the glue sealing structure is made of UV curable resin, passes through precision contraposition, precise glue dispensing
With UV precuring processing procedure, which can be set on the sealing face.
Preferably, the material for conducting structure is made of conductive silver paste, passes through precision contraposition and precise glue dispensing
Processing procedure this can be conducted to structure setting in the secondary ITO electrode.
Preferably, as the voltage V=OFF of the external power supply, the surface floating type liquid crystal column lens array device
Optical characteristics is suitable for presenting the display of 2D image；As V=ON, the light of the surface floating type liquid crystal column lens array device
Learn the display that characteristic is suitable for presenting 3D image.
Preferably, the geometry of the upper contraposition target and lower contraposition target, can be each free to mutual with geometry
The square structure of benefit, cubic ring structure, or can be each free to circular configuration, circular ring structure with geometry complementation, it can be each
The free cross structure to geometry complementation and anti-cross structure；It is described it is upper contraposition target and it is lower contraposition target it is several
What size can be ten microns to hundreds of microns.
The present invention discloses a kind of display device, including image incident light and above-mentioned surface floating type liquid crystal column lens array
Device, wherein the image incident light has a linear polarization direction, alignment direction and the image of the upper alignment film enter
It is parallel to penetrate light polarization direction.
The present invention discloses a kind of manufacturing method of above-mentioned surface floating type liquid crystal column lens array device comprising: the
One step, by be etched by light processing procedure formed in lower transparent substrate under ITO electrode layer, secondary ITO electrode, electrical blocking-up structure and
Several lower contraposition targets, are made lower substrate component；By be etched by light processing procedure formed in upper transparent substrate ITO electrode layer,
A plurality of light shielding parts and contraposition target on several, are made upper substrate component；Second step provides plane mould, has
The mould structure opposite with the plano-convex lens component；Liquid UV curable resin is passed through to the processing procedure of accurate spray printing, to fill extremely
In the plane mould；It is aligned in vacuum cavity by the precision optics to the lower substrate component, in the vacuum cavity, can be incited somebody to action
The lower ITO electrode layer of the lower substrate component is accurately pressed on the plane mould and is covered in the liquid UV curable resin；
UV light is irradiated to the liquid UV curable resin in the plane mould, so that the liquid UV curable resin is reached solidification, and form
For the plano-convex lens component；And demoulding processing procedure, which is taken out from the plane mould, by the plano-convex lens group
Part is fixedly installed in the lower ITO electrode layer of the lower substrate component；Third step, rotation or immersion or letterpress or spray printing etc.
Alignment liquid is coated on the surface of a plurality of convex lens and a plurality of alignment liquid buffering sufaces by processing procedure, and is dried through overheat
It is baked journey, to generate the lower alignment film；By rotating or impregnating or the processing procedures such as letterpress or spray printing, alignment liquid is coated on this
On the surface of upper ITO electrode layer, and processing procedure is toasted through overheat, to generate alignment film on this；；Four steps passes through alignment manufacture process
The alignment direction for making the upper alignment film, is parallel to the linear polarization direction of an image incident light, and is made by alignment manufacture process
The alignment direction of the lower alignment film is parallel to the direction of the changeable liquid crystal cylindrical lenses long axis；5th step, passes through essence
Close contraposition, precise glue dispensing and UV precuring processing procedure, which is set on the sealing face；6th step, passes through liquid crystal
Dripping process instils a plurality of liquid crystal molecules in concavees lens face；7th step passes through the system of accurate contraposition and precise glue dispensing
This is conducted structure setting in the secondary ITO electrode by journey；8th step can by accurate contraposition and vacuum abutted processing procedure
The upper substrate component and the lower substrate component are combined, then irradiated after UV light makes glue sealing structure irradiation solidification, that is, forms the table
Face floating type liquid crystal column lens array device.
Preferably, the alignment manufacture process is selected from friction processing procedure or light alignment manufacture process.
Present invention improves over known surface floating type liquid crystal column lens array device, give one can really produce,
Workable 2D and 3D switchable apparatus.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in invention, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings and embodiment.
Shown in Fig. 1, the schematic diagram of known 2D and 3D image switching display devices；
Shown in Fig. 2, the schematic diagram of known surface fluctuating type liquid crystal column lens array component composition；
Shown in Fig. 3, the schematic diagram of known surface fluctuating type liquid crystal column lens array component composition；
Shown in Fig. 4, the schematic diagram of known surface fluctuating type liquid crystal column lens array component composition；
Shown in Fig. 5, for the schematic diagram of surface floating type liquid crystal column lens array device of the present invention composition；
Shown in Fig. 6, for the schematic side view of lower substrate component of the present invention composition；
Shown in Fig. 7, for the upper schematic diagram of lower substrate component of the present invention composition；
Shown in Fig. 8, for the schematic diagram of plano-convex lens component of the present invention composition；
It is the schematic diagram of plano-convex lens assembly forming plane mould of the present invention shown in Fig. 9；
It is the present invention to the schematic diagram of plane mould filling liquid UV resin processing procedure shown in Figure 10；
Shown in Figure 11, the schematic diagram with covering liquid UV resin processing procedure is pressed for lower substrate component of the present invention；
It is the present invention to the schematic diagram of liquid UV resin solidification processing procedure shown in Figure 12；
It is the schematic diagram of convex lens component demoulding of the present invention shown in Figure 13；
It is the schematic diagram of lens substrate component 3D structure of the present invention shown in Figure 14；
Shown in Figure 15, for the schematic side view of upper substrate component of the present invention composition；
Shown in Figure 16, for the upper schematic diagram of upper substrate component of the present invention composition；
Shown in Figure 17, for glue sealing structure of the present invention and the schematic diagram for conducting structure assembling processing procedure；
It is the schematic diagram that processing procedure is assembled under liquid crystal drop of the present invention shown in Figure 18；
It is the schematic diagram that upper substrate component of the present invention and lower lens liquid crystal case assembly assemble processing procedure shown in Figure 19；
It is the schematic diagram of surface floating type liquid crystal column lens array device finished goods of the present invention shown in Figure 20；
Shown in Figure 21, for the schematic diagram of the rectangular contraposition target geometry of the present invention；
Shown in Figure 22, the schematic diagram of target geometry is aligned for the cubic ring of the present invention；
Shown in Figure 23, for the schematic diagram of the round contraposition target geometry of the present invention；
Shown in Figure 24, the schematic diagram of target geometry is aligned for annulus of the present invention；
Shown in Figure 25, the schematic diagram of target geometry is aligned for cross of the present invention；
Shown in Figure 26, the schematic diagram of target geometry is aligned for the anti-cross of the present invention.
Specific embodiment
As shown in figure 5, the schematic diagram constituted for surface floating type liquid crystal column lens array device of the present invention.It rises on the surface
Floating type liquid crystal column lens array device 60, mainly by having upper and lower transparent substrate 71,61；Upper and lower ITO electrode layer 72,62, it is secondary
ITO electrode 62a；Several upper and lower contraposition targets 73,63；Upper and lower alignment film 76,66；A plurality of light shielding parts 65；Plano-convex lens
Component 64；A plurality of liquid crystal molecules 81, glue sealing structure 82 conduct structure 83, are constituted with external power supply V.
Herein, so-called to go up, under, each structure, is arranged the relevance of position, not needs to limit merely for convenience of description
It is fixed that there is upper and lower relationship as shown in Figure 5.Also that is, it is above-mentioned so-called upper under, it is that can mutually be inverted as down and upper pass
System.Herein, upper substrate component 171, lower substrate component 161 are defined, in addition to become apparent from the composition and system that illustrate above-mentioned each component
Journey.
As shown in figs. 6-7, the lower substrate component 161 is mainly by the lower transparent substrate 61, the lower ITO electrode layer 62, secondary
Several time ITO electrode 62a, electrical blocking-up structure 62b, a plurality of light shielding parts 65 and this contraposition targets 63 are constituted；
As shown in Figure 15~16, the upper substrate component 171 is then by upper transparent substrate 71, upper ITO electrode layer 72, upper alignment film
76 are constituted with contraposition target 73 on several.
It as shown in figs. 6-7, is the schematic diagram of lower substrate component composition.The lower transparent substrate 61 is a transparent glass
Constituted, can by one photoetch processing procedure (Photo-Lithography Process), be provided with the lower ITO electrode layer 62,
Secondary ITO electrode 62a, electrical blocking-up structure 62b and several lower contraposition targets 63.In addition, equally being scribed again by the photetching
Journey, and black photoresist (Black Photo-Resistor) is used, in the lower ITO electrode layer 62, a plurality of shadings are arranged
Portion 65, a plurality of light shielding parts 65 have periodic width PBAnd line width B.
It is to be provided with an electrical blocking-up structure 62b between the lower ITO electrode layer 62, secondary ITO electrode 62a, it should with electrical isolation
Lower ITO electrode layer 62, secondary ITO electrode 62a；The secondary ITO electrode 62a is that structure 83 and ITO electrode layer on this are conducted by this
72, do electrical connection.In addition, the lower ITO electrode layer 62, secondary ITO electrode 62a, each by a plain conductor 62h, with this
External voltage V does electrical connection.
In addition, a plurality of light shielding parts 65 are set on the lower ITO electrode layer 62, there is period wide PBWith line width B,
The setting position of a plurality of light shielding parts 65 be correspond and in alignment with a plurality of alignment liquid buffering suface 64c, this can be covered
The light of crosstalk occurred at a plurality of alignment liquid buffering suface 64c.
In addition, several lower contraposition targets 63 are to be set to the appropriate place, the best is four corners, is by gold
Belong to material to be constituted, to improve the identification and precision of optical image contraposition.
As shown in figure 8, the plano-convex lens component 64, is made of transparent material, it include a plurality of circular arc convex lenses
The structures such as face 64a, sealing face 64b, a plurality of alignment liquid buffering suface 64c and lower alignment film 66, are to be set to the lower substrate component
In 161 lower ITO electrode layer 62.
Wherein, which has Radius R, lens width PL, lens height h, with underlayer thickness t,
In, lens width PLWith PL=PB.Generally, in order to which the driving voltage for reducing external power supply V need to use up in optical design
Amount reduces lens height h；In on processing procedure, then underlayer thickness t, the best, t < 10 μm are forced down as far as possible.Certainly, the composition on the convex surface,
Also the convex lens (not shown) of a tool multi-panel shape, the face structure of the convex lens about the multi-panel shape and optical function be can be selected from
Effect, please reads US patent application reference number: US 8,780,188B2 in detail；Chinese patent application Reference Number: 102077601 B of CN.
In addition, sealing face 64b is the two sides for being set to the plano-convex lens component 64, then fills make a plurality of orientations therebetween
Liquid buffering suface 64c., sealing face 64b has a height T, and has the relationship of T≤h+t.Alignment liquid buffering suface 64c has
One width S, and the relationship with S < B.A plurality of alignment liquid buffering suface 64c are for absorbing extra orientation film liquid, in this
On convex lens 64a, to generate uniform orientation film thickness, on processing procedure, then reducing width S, the best, S < 10 μm to the greatest extent.Separately
Outside, as be described hereinafter, circular arc convex lens 64a is for being filled with a plurality of liquid crystal molecules 81, to constitute changeable liquid
Brilliant cylindrical lenses；Sealing face 64b is for the glue sealing structure 82 is arranged, to reach upper substrate component 171, lower substrate component
161 connection and fixation.
The lower alignment film 66 is can be by rotation (Spin) or immersion (Dipping) or letterpress or spray printing
Alignment liquid is coated on a plurality of circular arc convex lens 64a and a plurality of alignment liquids by processing procedures such as (Inkjet Printing)
On the surface of buffering suface 64c, and processing procedure is toasted through overheat, to generate the lower alignment film 66.Generally, which is by polyamides Asia
Amine (Polyimide) material is constituted.In addition, the lower alignment film 66 also needs the processing procedure by orientation, a plurality of liquid could be allowed
Brilliant molecule 81 achievees the purpose that same direction arranges.Generally, the alignment manufacture process of the lower alignment film is selected from friction processing procedure
(Rubbing Proess) or light alignment manufacture process (Photo-Alignment Process).In addition, the lower alignment film is matched
To direction, the best is parallel to the direction of the changeable liquid crystal cylindrical lenses long axis.
In addition, the plano-convex lens component 64, is by glass or UV curable resin (VU-Cured Resin, abbreviation UV tree
Rouge) etc. transparent materials constituted, have light refractive index np；A plurality of liquid crystal molecules 81 (not indicated in figure), for can to
Column type liquid crystal material is constituted, the feature with Birefringent optical, ordinary refraction index no, abnormal optical index be ne, and have
There is ne=npAnd ne>npRelationship.
Wherein, when the plano-convex lens component 64 is constituted by UV resin material, which can pass through
One plane ultra-violet curing process (Plate-to-Plate UV-Cured Manufacturing Process), directly to set
It is placed on the lower substrate component 161.
It is the schematic diagram of plane ultra-violet curing process as shown in Fig. 9~13.The processing procedure mainly passes through a plane mould
The technique of tool and UV solidification, the plano-convex lens component 64 that will be made of UV resin take shape on the lower substrate component 161.
Firstly, as shown in figure 9, being the schematic diagram of plano-convex lens assembly forming plane mould.The plane mould (Plane
Mould) 64d has the structure opposite with the plano-convex lens component 64.
It as shown in Figure 10, is the schematic diagram to plane mould filling liquid UV resin.Pass through accurate spray printing (Inkjet
Printing mode), can be to plane mould 64d filling liquid UV resin 64e.
As shown in figure 11, the schematic diagram with covering liquid UV resin processing procedure is pressed for lower substrate component.By to the lower base
The precision optics of board group part 161 aligns (Optical Alignment with High Accuracy), can be by the lower substrate group
The lower ITO electrode layer 62 of part 161 is accurately pressed on plane mould 64d and is covered on liquid UV resin 64e.In addition,
In order to avoid being mixed into for bubble, the processing procedure of above-mentioned pressing and covering is generally carried out in a vacuum cavity.
It as shown in figure 12, is the schematic diagram to liquid UV resin solidification processing procedure.Generally, pass through the appropriate wavelength of a tool and light intensity
The collimated UV light sources 64f of degree does the irradiation of appropriate time to the liquid UV resin 64e of 64d in the plane mould, can allow the liquid
UV resin reaches cured purpose.
It as shown in figure 13, is the schematic diagram of convex lens component demoulding.Liquid UV resin after the above-mentioned solidification, then by de-
After the operation of film, finally, the lower ITO electrode that the plano-convex lens component 64 is directly molded on to the lower substrate component 161 can reach
On layer 62.
It as shown in figure 14, is the schematic diagram of lens substrate component 3D structure.In order to facilitate following the description, lower lens base is enabled
Board group part 161 ' is constituted by the plano-convex lens component 64, with the lower substrate component 161.
It is the schematic diagram that the upper substrate component is constituted as shown in Figure 15~16.Transparent substrate 71 on this are a transparent glass
Glass is constituted, can by a photoetch processing procedure, be provided with ITO electrode layer 72 on this, with this several upper contraposition target 73.
In addition, alignment film 76 is by rotation (Spin) or can to impregnate (Dipping) or letterpress or spray printing on this
The methods of (Inkjet Printing), by alignment liquid be coated on this this on 72 surface of ITO electrode layer, and through overheat baking system
Journey, to generate alignment film 76 on this.Generally, which be made of polyimide material.In addition, alignment film 76 is gone back on this
Need to processing procedure Jing Guo orientation, could allow a plurality of liquid crystal molecules 81, achieve the purpose that same direction arranges.Generally, match under this
It is selected from friction processing procedure or light alignment manufacture process to the alignment manufacture process of film.In addition, on this alignment film alignment direction, most preferably
Person, as shown in figure 5, being parallel to a linear polarization direction of image incident light, which includes 2D/3D image, incident light
From the incidence of 171 end of upper substrate component.
It is the upper substrate component, the schematic diagram with the lower lens substrate component assembling processing procedure as shown in Figure 17~20.The system
Journey, mainly by a plurality of liquid crystal molecules 81, glue sealing structure 82, with conduct structure 83, be set to the lower lens substrate group
After on part 161 ', then by the upper substrate component 171, with the lower lens substrate component 161 ' link with it is fixed, finally, with output
The surface floating type liquid crystal column lens array device 60.
It as shown in figure 17, is glue sealing structure and the schematic diagram for conducting structure assembling processing procedure.The material of the glue sealing structure 82,
It is to be made of UV resin, by the technique of accurate contraposition and precise glue dispensing, and carries out UV precuring processing, it can be by the sealing knot
Structure 82 is set on the 64b of the sealing face.Above-mentioned processing procedure, commonly referred to as manufacture procedure of adhesive, to reach to upper substrate component 171, lower base
The connection and fixation of board group part 161, and, achieve the purpose that seal a plurality of liquid crystal molecules 81.
In addition, this conducts the material of structure 83, it is to be made of conductive silver paste, passes through accurate contraposition and precise glue dispensing
This can be conducted structure 83 and is set on the secondary ITO electrode 62a by technique.Above-mentioned processing procedure, commonly referred to as point silver paste processing procedure, are used
To be electrically connected ITO electrode layer 72 and external voltage V on this.
It is the schematic diagram that processing procedure is assembled under liquid crystal drop shown in Figure 18.Pass through precision contraposition and (ODF, On under liquid crystal drop
Drop Filling) technique, which can be filled on circular arc convex lens 64a, can be cut with constituting
The liquid crystal cylindrical lenses changed, above-mentioned processing procedure, commonly referred to as liquid crystal drop process.
For the lower lens substrate component 161 ' completed the above-mentioned sealing, put silver paste and liquid crystal drop process, hereinafter, logical
Referred to as descend lens liquid crystal case assembly 161 ".Certainly, the demand of effect, the above-mentioned sealing or point silver paste system are produced according to practical producing line
Journey, the object implemented are not limited to the lower lens substrate component 161 ', also can be the upper substrate component 171.
As shown in figure 19, the schematic diagram of processing procedure is assembled for upper substrate component and lower lens liquid crystal case assembly.By accurate right
Position and vacuum abutted technique can combine the upper substrate component 171 and the lower lens liquid crystal case assembly 161 ".Finally, passing through
UV light source 84, after the glue sealing structure 82 irradiation solidification, as shown in figure 20, i.e. surface floating type liquid crystal column of output this patent
Shape lens array device 60.
As shown in fig. 7, as V=OFF, the optical characteristics of the surface floating type liquid crystal column lens array device 60 is fitted
The display of 2D image for rendering；As V=ON, the optical characteristics of the surface floating type liquid crystal column lens array device 60,
Optical characteristics is suitable for presenting the display of 3D image, achievees the purpose that 2D and the changeable display of 3D image.
In addition, it is above-mentioned this it is upper and lower contraposition target 73,63 geometries composition, as shown in Figure 21~26, can it is each it is free extremely
Square structure 73a, cubic ring structure 63a with geometry complementation, or can be each free to the circle with geometry complementation
Shape structure 73b, circular ring structure 63b, can each free cross structure 73c to geometry complementation and anti-cross structure
63c.In addition, above-mentioned upper and lower contraposition target 73a, 63a, 73b, 63b, the 73c, the size with 63c geometric dimension, it can be micro- for ten
Rice (μm) is to hundreds of microns.
Claims (24)
1. a kind of surface floating type liquid crystal column lens array device, characterized by comprising:
Lower substrate component, by lower transparent substrate, lower ITO electrode layer, secondary ITO electrode, electrical blocking-up structure, a plurality of light shielding parts with
And several lower contraposition targets are constituted；
Upper substrate component, by upper transparent substrate, upper ITO electrode layer, contraposition target and upper alignment film are constituted on several；
Plano-convex lens component, is made of transparent material comprising has a plurality of convex lens, sealing face, a plurality of alignment liquids
Buffering suface and lower alignment film, the plano-convex lens component are set in the lower ITO electrode layer of the lower substrate component；
A plurality of liquid crystal molecules are set on the convex lens, pass through the voltage of the upper and lower ITO electrode layer and an external power supply
Driving, to constitute a plurality of liquid crystal cylindrical lenses；
Glue sealing structure is set on the sealing face, for connecting and fixing the upper substrate component and lower substrate component, and sealing
A plurality of liquid crystal molecules；And
Structure is conducted, is set in the secondary ITO electrode, ITO electrode layer on this is connected with connection；
The wherein external power supply is electrically connected to the lower ITO electrode layer and the secondary ITO electrode, drives the plural number by voltage V
A liquid crystal cylindrical lenses achieve the purpose that switching 2D and 3D display,
A plurality of alignment liquid buffering sufaces are set between the sealing face of two sides, for absorbing extra alignment liquid, so that institute
The alignment film on convex lens is stated, uniform orientation film thickness can be kept, each alignment liquid buffering suface has width S, institute
Stating a plurality of light shielding parts is set on the lower ITO electrode layer, has period wide PBWith line width B, a plurality of shadings
The setting position in portion is corresponded and in alignment with a plurality of alignment liquid buffering sufaces, and it is slow can to cover a plurality of alignment liquids
The light of crosstalk occurred at impulse face.
2. surface floating type liquid crystal column lens array device according to claim 1, it is characterised in that transparent under described
Substrate and the upper transparent substrate are all made of transparent glass.
3. surface floating type liquid crystal column lens array device according to claim 1, it is characterised in that the lower ITO electrode
Layer, the secondary ITO electrode and the electrical blocking-up structure are set to the lower transparent substrate the same face, which is set to this
Between lower ITO electrode layer and the secondary ITO electrode.
4. surface floating type liquid crystal column lens array device according to claim 1, it is characterised in that the lower ITO electrode
Layer and the secondary ITO electrode do electrical connection each by a plain conductor and the external power supply.
5. surface floating type liquid crystal column lens array device according to claim 1, it is characterised in that a plurality of screenings
Light portion is made of black photoresist.
6. surface floating type liquid crystal column lens array device according to claim 1, it is characterised in that it is described several
Lower contraposition target is set to four corners of lower transparent substrate, several described lower contraposition targets are by metal material institute structure
At；And the contraposition target on several is set to four corners of transparent substrate, several described upper contraposition targets
It is to be made of metal material.
7. surface floating type liquid crystal column lens array device according to claim 1, it is characterised in that the plano-convex is saturating
The transparent material of mirror assembly has light refractive index np, it is selected from glass or UV curable resin.
8. surface floating type liquid crystal column lens array device according to claim 7, it is characterised in that the plano-convex is saturating
When the transparent material of mirror assembly is selected from UV curable resin, which can lead to a plane ultra-violet curing process, with
The plano-convex lens component straight forming is set on the lower substrate component.
9. surface floating type liquid crystal column lens array device according to claim 1, it is characterised in that the convex lens
Face is selected from arc-shaped convex lens either multi-panel shape convex lens to fill a plurality of liquid crystal molecules, the convex lens
Face.
10. surface floating type liquid crystal column lens array device according to claim 9, it is characterised in that the convex lens
When face is selected from arc-shaped convex lens, which has radius R, periodic width PL, lens height h and bottom
Thickness t.
11. surface floating type liquid crystal column lens array device according to claim 10, it is characterised in that the bottom
Thickness t is less than 10 μm.
12. surface floating type liquid crystal column lens array device according to claim 10, it is characterised in that the sealing
Face is set to the two sides of the plano-convex lens component, has thickness T, and the relationship with T≤h+t.
13. surface floating type liquid crystal column lens array device according to claim 1, it is characterised in that the alignment liquid
The width S of buffering suface is less than 10 μm.
14. surface floating type liquid crystal column lens array device according to claim 1, it is characterised in that the lower orientation
The alignment direction of film is parallel to the direction of the changeable liquid crystal cylindrical lenses long axis.
15. surface floating type liquid crystal column lens array device according to claim 7, it is characterised in that described a plurality of
Liquid crystal molecule is nematic liquid crystalline material composition, the feature with Birefringent optical, ordinary refraction index no, abnormal light folding
Penetrating rate is ne, and there is ne=npAnd ne>npRelationship.
16. surface floating type liquid crystal column lens array device according to claim 10, it is characterised in that the plural number
A light shielding part has periodic width PBWith line width B, there is PB=PLAnd the relationship of B > S.
17. surface floating type liquid crystal column lens array device according to claim 1, it is characterised in that the sealing knot
The material of structure is made of UV curable resin.
18. surface floating type liquid crystal column lens array device according to claim 1, it is characterised in that described to conduct
The material of structure is made of conductive silver paste.
19. surface floating type liquid crystal column lens array device according to claim 1, it is characterised in that when the external electrical
When the voltage V=OFF in source, the optical characteristics of the surface floating type liquid crystal column lens array device is suitable for that 2D image is presented
Display；As V=ON, the optical characteristics of the surface floating type liquid crystal column lens array device is suitable for presenting the aobvious of 3D image
Show.
20. surface floating type liquid crystal column lens array device according to claim 1, it is characterised in that the upper contraposition
Target and it is lower contraposition target geometry, can it is each it is free to geometry complementation square structure, four directions ring structure, or
Can be each free to circular configuration, circular ring structure with geometry complementation, it can each free ten to geometry complementation
Word structure and anti-cross structure；The geometric dimension of the upper contraposition target and lower contraposition target can be ten microns to hundreds of microns.
21. a kind of display device, including image incident light and the surface floating type liquid as described in any one of claim 1-20
Crystal column shape lens array device, it is characterised in that: the image incident light has a linear polarization direction, the upper alignment film
Alignment direction is parallel with image incident light polarization direction.
22. the side of surface floating type liquid crystal column lens array device described in a kind of any one of manufacturing claims 1 to 20
Method, it is characterised in that:
First step, ITO electrode layer, secondary ITO electrode, electrical block are tied under being formed in lower transparent substrate by photoetch processing procedure
Structure, a plurality of light shielding parts and several lower contraposition targets, are made lower substrate component；By photoetch processing procedure in upper transparent substrate
ITO electrode layer and contraposition target on several, are made upper substrate component in upper formation；
Second step provides plane mould, has the mould structure opposite with the plano-convex lens component；Liquid UV is curable
Resin passes through the processing procedure of accurate spray printing, in filling to the plane mould；By to the lower substrate component in vacuum cavity
Precision optics contraposition, in the vacuum cavity, can accurately be pressed on the plane for the lower ITO electrode layer of the lower substrate component
Mold is simultaneously covered in the liquid UV curable resin；UV light is irradiated to the liquid UV curable resin in the plane mould, is made
The liquid UV curable resin reaches solidification, and is shaped to the plano-convex lens component；And demoulding processing procedure, by the plano-convex lens group
Part takes out from the plane mould, which is fixedly installed in the lower ITO electrode layer of the lower substrate component；
Alignment liquid is coated on a plurality of convex lenses by rotating or impregnating or letterpress or spray printing processing procedure by third step
On face and the surface of a plurality of alignment liquid buffering sufaces, and processing procedure is toasted through overheat, to generate the lower alignment film；By rotation or
Immersion or letterpress or spray printing processing procedure, alignment liquid is coated on this on surface of ITO electrode layer, and through overheat baking system
Journey, to generate alignment film on this；
Four steps makes the alignment direction of the upper alignment film by alignment manufacture process, is parallel to the linear inclined of an image incident light
Shake direction；And make the alignment direction of the lower alignment film by alignment manufacture process, it is parallel to the changeable liquid crystal cylindrical lenses
The direction of long axis；
The glue sealing structure is set to the sealing face by precision contraposition, precise glue dispensing and UV precuring processing procedure by the 5th step
On；
6th step is instiled a plurality of liquid crystal molecules on convex lens by liquid crystal drop process；
This is conducted structure setting in the secondary ITO electrode by accurate contraposition and the processing procedure of precise glue dispensing by the 7th step；
8th step can be combined the upper substrate component and the lower substrate component by accurate contraposition and vacuum abutted processing procedure,
Irradiate again UV light make the glue sealing structure irradiation solidification after, that is, form the surface floating type liquid crystal column lens array device.
23. manufacturing method according to claim 22, it is characterised in that the orientation system of the lower alignment film and upper alignment film
Journey, selected from friction processing procedure or light alignment manufacture process.
24. manufacturing method according to claim 23, it is characterised in that the alignment liquid is by polyimide material institute structure
At.
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| CN201510408421.2A CN104977773B (en) | 2015-07-13 | 2015-07-13 | Surface floating type liquid crystal column lens array device, manufacturing method and display device |
| PCT/CN2015/096890 WO2017008433A1 (en) | 2015-07-13 | 2015-12-10 | Surface relief liquid crystal lenticular device, manufacturing method, and display device |
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| CN201510408421.2A CN104977773B (en) | 2015-07-13 | 2015-07-13 | Surface floating type liquid crystal column lens array device, manufacturing method and display device |
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| CN104977773B (en) * | 2015-07-13 | 2019-08-16 | 张家港康得新光电材料有限公司 | Surface floating type liquid crystal column lens array device, manufacturing method and display device |
| CN105898286A (en) * | 2016-04-11 | 2016-08-24 | 北京邮电大学 | Three-dimensional image display device |
| CN106094067B (en) * | 2016-08-23 | 2018-01-09 | 张家港康得新光电材料有限公司 | Electrooptical material column lens array structure and the display device for including it |
| CN106094068B (en) * | 2016-08-23 | 2018-01-09 | 张家港康得新光电材料有限公司 | Electrooptical material column lens array structure and the display device for including it |
| CN106199780A (en) * | 2016-08-31 | 2016-12-07 | 张家港康得新光电材料有限公司 | Optical element and Optical devices |
| WO2018041273A1 (en) * | 2016-08-31 | 2018-03-08 | 张家港康得新光电材料有限公司 | Optical component, optical apparatus, and manufacturing method for optical component |
| CN106353928A (en) * | 2016-10-31 | 2017-01-25 | 张家港康得新光电材料有限公司 | 2D/3D switchable display device and manufacturing method thereof |
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| CN109669272A (en) * | 2018-12-03 | 2019-04-23 | 张家港康得新光电材料有限公司 | Production method, what comes into a driver's resolution element and the 3 d display device of what comes into a driver's resolution element |
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| CN104977773B (en) * | 2015-07-13 | 2019-08-16 | 张家港康得新光电材料有限公司 | Surface floating type liquid crystal column lens array device, manufacturing method and display device |
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