CN106324939A - Liquid crystal lens, stereoscopic display device and manufacturing method - Google Patents
Liquid crystal lens, stereoscopic display device and manufacturing method Download PDFInfo
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- CN106324939A CN106324939A CN201510386326.7A CN201510386326A CN106324939A CN 106324939 A CN106324939 A CN 106324939A CN 201510386326 A CN201510386326 A CN 201510386326A CN 106324939 A CN106324939 A CN 106324939A
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 79
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 36
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 169
- 239000000758 substrate Substances 0.000 claims abstract description 61
- 238000000034 method Methods 0.000 claims description 40
- 239000007800 oxidant agent Substances 0.000 claims description 22
- 230000001590 oxidative effect Effects 0.000 claims description 22
- 230000033228 biological regulation Effects 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 238000007711 solidification Methods 0.000 claims description 7
- 230000008023 solidification Effects 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 2
- 238000006303 photolysis reaction Methods 0.000 claims description 2
- 230000015843 photosynthesis, light reaction Effects 0.000 claims description 2
- 238000006116 polymerization reaction Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract 1
- 230000000007 visual effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 11
- 230000005684 electric field Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000009826 distribution Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 206010046270 Up and down phenomenon Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/29—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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
- G02F1/133784—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation by rubbing
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
Abstract
The invention discloses a liquid crystal lens, a stereoscopic display device and a manufacturing method. The stereoscopic display device includes a lens and a display panel. The liquid crystal lens includes a first substrate, a second substrate, a first electrode, a second electrode, a first alignment layer, a second alignment layer and a liquid crystal layer; the liquid crystal lens has a plurality of lens units; and in each lens unit, the first alignment layer includes a first sub alignment area and a second sub alignment area, the first alignment layer and a plane where a center line of the lens unit is located intersect, the extending direction of the alignment direction of an alignment agent of the first sub alignment area and the extending direction of the alignment direction of an alignment agent of the second sub alignment intersect at the plane where the center line of the lens unit is located and are symmetrical with respect to the plane where the center line is located. The liquid crystal lens, the stereoscopic display device and the manufacturing method can eliminate the defect that the stereoscopic display device has slight deviation in a visual angle due to a single alignment of the conventional friction alignment.
Description
Technical field
The present invention relates to stereo display technique field, particularly relate to a kind of liquid crystal lens, three-dimensional aobvious
Showing device and liquid crystal lens manufacture method and the manufacture method of 3 d display device.
Background technology
Naked-eye stereoscopic display is the most more and more applied to consumer level display products.At present
In various types of naked-eye stereoscopic displays, use liquid crystal lens three-dimensional as the bore hole of light-splitting device
Display, because having focus adjustable joint, the advantages such as luminous energy loss is little, becomes naked-eye stereoscopic display
The mainstream technology of development.
The both alignment layers of existing liquid crystal lens uses the mode of friction matching, and this mode can only be carried out
Planar alignment, and orientation plane can only be done the orientation of single direction, this makes liquid crystal molecule not
In tilt angle with friction matching layer, distribution in the electric field all can not reach the arrangement of perfect lens
Situation: the liquid crystal molecule in direction same or like with tilt angle direction is equal along potential lines in the electric field
Even smooth distribution, the liquid crystal molecule in direction in opposite direction with tilt angle in the electric field can not be the most suitable
Potential lines to be uniformly distributed, cause liquid crystal lens when 3D shows, display screen occurs a left side
Right or visible angle difference up and down phenomenon, occurs that a direction transmitance is the strongest or on the weak side,
Have a strong impact on the viewing effect of beholder.
Summary of the invention
The present invention provides liquid crystal lens, 3 d display device and manufacture method, is mainly used in eliminating biography
Anorthopia occurs in the system single orientation of friction matching layer problem in causing visible angle.
For solving above-mentioned technical problem, the present invention provides a kind of liquid crystal lens, including first substrate,
Second substrate, the first electrode, the second electrode, the first both alignment layers, the second both alignment layers and liquid crystal layer,
Described first substrate be arranged in parallel with preset space length with described second substrate, and described first electrode is arranged
On described first substrate, described second electrode is arranged on described second substrate, and described first joins
Covering on the first electrode to layer, described second both alignment layers covers on described second electrode,
Described liquid crystal layer is arranged between described first both alignment layers and the second both alignment layers, wherein, and described liquid crystal
Lens include multiple lens unit, and in each lens unit, described first both alignment layers includes first
The center of sub-orientation region and the second sub-orientation region, described first both alignment layers and described lens unit
Line place plane intersects, the bearing of trend of the alignment direction of the orientation agent in described first sub-orientation region
The bearing of trend of the alignment direction of the orientation agent with described second sub-orientation region intersects at described
The described centrage place plane of mirror unit, and about the described centrage place of described lens unit
Plane symmetry.
The present invention also provides for a kind of 3 d display device, including display floater and liquid crystal lens, wherein,
Described liquid crystal lens is foregoing liquid crystal lens
The present invention also provides for the manufacture method of a kind of liquid crystal lens, and wherein, described manufacture method includes:
S1, provide first substrate and second substrate, and be clamped in described first substrate and described the
Liquid crystal layer between two substrates；
S2, on described first substrate, form the first electrode layer, described first electrode layer is formed
First orientation oxidant layer, and solidify；
S3, described liquid crystal lens include multiple lens unit, each lens unit corresponding described
One orientation oxidant layer is divided into the first sub-orientation agent region and the second sub-orientation agent region, described first orientation
Oxidant layer intersects with the centrage place plane of described lens unit, described first sub-orientation agent region and
Described second sub-orientation agent region lays respectively at the two of the centrage place plane of described lens unit
Side；
S4, orientation agent to described first sub-orientation agent region carry out orientation；
S5, orientation agent to described second sub-orientation agent region carry out orientation, wherein, described first
The bearing of trend of the alignment direction of the orientation agent in sub-orientation region and described second sub-orientation region
The bearing of trend of the alignment direction of orientation agent intersects at the described centrage place of described lens unit
Plane, and about the described centrage place plane symmetry of described lens unit；
S6, formation the second electrode lay, formation on described the second electrode lay on described second substrate
Second orientation oxidant layer, and solidify, then the orientation agent to described second orientation oxidant layer carries out orientation.
The present invention also provides for the manufacture method of a kind of 3 d display device, and described manufacture method includes liquid
Brilliant lens manufacturing method, wherein, described liquid crystal lens manufacture method is foregoing liquid crystal lens
Manufacture method.
Liquid crystal lens that the present invention provides, 3 d display device, the manufacture method of liquid crystal lens and vertical
The manufacture method of body display device, by each lens unit, the first both alignment layers includes first
Sub-orientation region and the second sub-orientation region, the alignment direction of the orientation agent in this first sub-orientation region
Bearing of trend and described second sub-orientation region orientation agent alignment direction bearing of trend about
The centrage place plane symmetry of described lens unit, having elimination, conventional friction both alignment layers is single joins
Beneficial effect to the anorthopia causing 3 d display device to occur in visible angle.
Accompanying drawing explanation
Fig. 1 is the structural representation of the preferred embodiment of 3 d display device of the present invention；
Fig. 2 is the alignment direction signal of the orientation agent of the first both alignment layers of the liquid crystal lens in Fig. 1
Figure；
Fig. 3 is the schematic flow sheet of the liquid crystal lens manufacture method of present pre-ferred embodiments；
Fig. 4 is the detailed process schematic diagram of step S6 in Fig. 3；
Fig. 5 A is the light shield apparatus of present pre-ferred embodiments first to the both alignment layers of liquid crystal lens
The orientation agent in sub-orientation region carries out structural representation during orientation；
Fig. 5 B is the light shield apparatus of present pre-ferred embodiments first to the both alignment layers of liquid crystal lens
The orientation agent in sub-orientation region carries out structural representation during orientation；
Fig. 5 C is the detailed process schematic diagram of step S4 in Fig. 3；
Fig. 6 is the detailed process schematic diagram of step S5 in Fig. 3；
Fig. 7 is the detailed process schematic diagram of step S62 in Fig. 4；
Fig. 8 is the detailed process schematic diagram of step S63 in Fig. 4.
Detailed description of the invention
The present invention is described in detail with embodiment below in conjunction with the accompanying drawings.It should be noted that such as
Fruit is not conflicted, and each feature in the embodiment of the present invention and embodiment can be combined with each other, and all exists
Within protection scope of the present invention.
Refer to the knot that Fig. 1 and Fig. 2, Fig. 1 are the preferred embodiments of 3 d display device of the present invention
Structure schematic diagram, Fig. 2 is the alignment direction of the orientation agent of the first both alignment layers of the liquid crystal lens in Fig. 1
Schematic diagram.As it is shown in figure 1, the 3 d display device of the present invention includes liquid crystal lens 1 and display surface
Plate 2, liquid crystal lens 1 is positioned at the light emission side of display floater 2, including first substrate the 11, second base
Plate 12 and the liquid crystal layer between first substrate 11 and second substrate 12 13, the first electrode 15,
Second electrode the 16, first both alignment layers the 17, second both alignment layers 18.This first substrate 11 with this second
Substrate 12 be arranged in parallel with preset space length.This first electrode 15 is arranged on this first substrate 11,
This second electrode 16 is arranged on this second substrate 12.This first both alignment layers 17 cover this
On one electrode 15, this second both alignment layers 18 covers on this second electrode 16, this liquid crystal layer 13
It is arranged between this first both alignment layers 17 and second both alignment layers 18.This liquid crystal lens includes multiple
Mirror unit, in each lens unit, this first both alignment layers 17 includes the first sub-orientation region 171
With the second sub-orientation region 172.This first both alignment layers 17 and the centrage MO institute of this lens unit
Intersecting in plane, the first sub-orientation region 171 and the second sub-orientation region 172 lay respectively at lens
The both sides of the centrage MO place plane of unit, the centrage MO place about this lens unit is put down
Face is symmetrical set.
Further, as in figure 2 it is shown, the orientation side of the orientation agent in this first sub-orientation region 117
To the orientation side of orientation agent in bearing of trend A1A2 or B1B2 and this second sub-orientation region 172
To bearing of trend D1D2 or C1C2 intersect at this centrage MO place plane of this lens unit,
And the centrage MO place plane about described lens unit is symmetrical set.In Fig. 2, thoroughly
A1A2, B1B2 on the left of the centrage MO place plane of mirror unit tilt, to the right at centrage
C1C2, D1D2 on the right side of the plane of MO place tilt to the left, by arranging this first sub-orientation district
The bearing of trend of the alignment direction of the orientation agent in territory 117 and the orientation in this second sub-orientation region 172
The bearing of trend of the alignment direction of agent about the centrage MO place plane symmetry of this lens unit,
Effectively eliminate in light is propagated because orientation agent reason causes the ray refractive index of transmission there are differences
Problem, can be effectively prevented beholder watch 3 d display device display image time,
The anorthopia phenomenon occurred in visible angle, improves the effect of stereo display.
In a variant embodiment, as it is shown in figure 1, in each lens unit, this second is joined
The 3rd sub-orientation region 181 and the 4th sub-orientation region 182, this second both alignment layers is included to layer 18
18 intersect with the centrage MO place plane of this lens unit, the orientation in the 3rd sub-orientation region
The alignment direction of the orientation agent in the bearing of trend of the alignment direction of agent and the 4th sub-orientation region
Bearing of trend intersects at this centrage MO place plane of this lens unit, and about this lens list
This centrage MO place plane of unit is symmetrical set.By to aforementioned first both alignment layers 17 and
The alignment direction of the orientation agent in four sub-orientation regions of two both alignment layers 18 uses aforementioned manner to arrange,
Beholder can be more efficiently prevented from when watching the display image of 3 d display device at angle of visibility
The anorthopia phenomenon occurred in degree, further improves the effect of stereo display.
Additionally, the orientation agent that the present invention uses can select common light orientation agent, such as this orientation
Agent is at least one of: photo-polymerization type orientation agent, light heterogeneous orientation agent or photolysis type orientation
Agent.
Further, exist between extension line and first substrate or the second substrate of the alignment direction of orientation agent
One angle, is referred to as the tilt angle of this orientation agent, and this tilt angle is between 0.5 degree to 8 degree.Relatively
Goodly, joining the liquid crystal molecule of liquid crystal layer when the tilt angle of this orientation agent is between 3 degree to 4 degree
To better.
In one embodiment of the invention, this first electrode 15 is drive electrode, in bar shaped,
This second electrode 16 is public electrode, for face electrode or strip electrode.Each lens unit correspondence 2
Individual first electrode 15, it is possible to corresponding 3 the first electrodes 15, or corresponding 8 the first electrodes 15.
When corresponding 2 the first electrodes 15, the perpendicular bisector between these two the first electrodes 15 and lens list
The centrage of unit overlaps.
Further, in a variant embodiment, this first sub-orientation region is joined with the 3rd son
The same side of the centrage of this lens unit it is positioned at, the orientation agent in this first sub-orientation region to region
Alignment direction projection in described second both alignment layers and the orientation in described 3rd sub-orientation region
The alignment direction of agent is parallel or crossing, and the span of angle α therebetween be 0 °≤α≤
2°.Additionally, this second sub-orientation region and the 4th sub-orientation region are positioned at this lens unit
The opposite side of centrage, the alignment direction of the orientation agent in described second sub-orientation region is described second
Projection or phase parallel with the alignment direction of the orientation agent in described 4th sub-orientation region in both alignment layers
Hand over, and the span of angle β therebetween is 0 °≤β≤2 °.
3 d display device provided by the present invention, it is also possible to there is touch controllable function, this stereo display
Device also includes Touch Screen, and this Touch Screen includes glass substrate and touch control component, this touch screen
Curtain be positioned at liquid crystal lens away from display floater side.The structure of Touch Screen can use existing
The touch screen of technology, will not be described further at this.
Refer to the flow process of the liquid crystal lens manufacture method that Fig. 3, Fig. 3 are present pre-ferred embodiments
Schematic diagram.As it is shown on figure 3, the manufacture method of the liquid crystal lens of the present invention, including:
S1, offer first substrate and second substrate, and it is clamped in this first substrate and this second base
Liquid crystal layer between plate；
S2, on this first substrate, form the first electrode layer, this first electrode layer is formed first
Orientation oxidant layer, and solidify.The formation of orientation oxidant layer can realize in such a way: at first substrate
The first electrode layer side the electrode surface even spread present invention employed in light orientation agent molten
Liquid, coating method can be spin-coating, printing-type, and formula, or immersion are spilt in spray (dripping)；It is coated with
The light orientation solution of cloth carries out precuring or this solidification.Here solidification can be common heating
Solidification or other conventional curing mode.
S3, this liquid crystal lens include multiple lens unit, and corresponding this of each lens unit first is joined
Be divided into the first sub-orientation agent region and the second sub-orientation agent region to oxidant layer, this first orientation oxidant layer with
The centrage place plane of this lens unit intersects, and this first sub-orientation agent region and this second son are joined
The both sides of the centrage place plane of this lens unit are laid respectively to agent region；
S4, orientation agent to this first sub-orientation agent region carry out orientation；
S5, orientation agent to this second sub-orientation agent region carry out orientation, and wherein, this first son is joined
Orientation agent to the bearing of trend of the alignment direction of the orientation agent in region Yu this second sub-orientation region
The bearing of trend of alignment direction intersect at this centrage place plane of this lens unit, and about
This centrage place plane symmetry of this lens unit；
S6, formation the second electrode lay, formation second on this second electrode lay on this second substrate
Orientation oxidant layer, and solidify, then the orientation agent to this second orientation oxidant layer carries out orientation.
The lens manufacturing method of the present invention, carries out subregion to the first both alignment layers, to different sub-orientation agent
The orientation agent in region carries out orientation by presetting respectively, can be effectively prevented beholder in viewing
During the display image of 3 d display device, the anorthopia phenomenon occurred in visible angle, it is also possible to disappear
Except crosstalk, improve the effect of stereo display.
It is preferred that refer to Fig. 4, in this step S6, the orientation agent of the second orientation oxidant layer is carried out by this
Orientation, farther includes:
This second orientation oxidant layer that S61, each lens unit are corresponding is divided into the 3rd sub-orientation agent region
Centrage place plane with the 4th sub-orientation agent region, this second orientation oxidant layer and this lens unit
Intersecting, the 3rd sub-orientation agent region and the 4th sub-orientation agent region lay respectively at this lens unit
The both sides of centrage place plane；
S62, orientation agent to the 3rd sub-orientation agent region carry out orientation；
S63, orientation agent to the 4th sub-orientation agent region carry out orientation, wherein, and the 3rd son
The bearing of trend of the alignment direction of the orientation agent in orientation region and the orientation in the 4th sub-orientation region
The bearing of trend of the alignment direction of agent intersects at this centrage place plane of this lens unit, and closes
This centrage place plane symmetry in this lens unit.
In the manufacture method of the liquid crystal lens of the present invention, further the second both alignment layers is carried out point
District, carries out orientation by presetting respectively to the orientation agent in different sub-orientation agent regions, can more have
Prevent beholder when watching the display image of 3 d display device to effect, occur in visible angle
Anorthopia phenomenon, improve the effect of stereo display further.
Referring to Fig. 5 A, 5B, 5C, Fig. 5 A is that the light shield apparatus of present pre-ferred embodiments is to liquid
The orientation agent in the first sub-orientation region of the both alignment layers of brilliant lens carries out structural representation during orientation；
Fig. 5 B is that the first son of the both alignment layers of liquid crystal lens is joined by the light shield apparatus of present pre-ferred embodiments
Structural representation when the orientation agent in region carries out orientation；Fig. 5 C is the detailed of step S4 in Fig. 3
Thin schematic flow sheet.See Fig. 5 A, 5B, be provided with many on first substrate 40 surface of liquid crystal lens
Individual electrode unit 50, is coated with on the surface away from first substrate 40 side of electrode unit 50
Orientation agent (not shown), a light shield apparatus is located at above orientation agent, and light shield apparatus includes first
Light shield 30 and light source 60, the first light shield 30 includes one first light shield slit 31 and the second light shield
Slit 32, can regulate width and the position of the first light shield slit 31 as required, regulates light source
The intensity of 60 and position can make light pass the first light shield slit 31 and be irradiated to first substrate 40
In orientation agent.In a preferred embodiment of the present invention, corresponding two electrodes of lens unit
Unit 50, by the center (i.e. the centrage of lens unit) between two electrode units 50
Place, is divided into two regions, is divided into the left region of lens unit 41 and the right region of lens unit 42,
The wherein corresponding first light shield slit 31 in the left region of lens unit 41, and lens unit right region 42 is right
Answer the second light shield slit 32.When the orientation agent in region 41 left to lens unit carries out orientation, the
One light shield slit 31 is in light transmission state, and the light can launched by light source 60 passes, and the second light
Cover slit 32 is in the light tight state that is blocked so that light cannot pass the second light shield slit 32.
When the orientation agent in region 42 right to lens unit carries out orientation, the second light shield slit 32 is in
Light state, the light can launched by light source 60 passes, and the first light shield slit 31 is then in and is hidden
Gear state so that the light that light source 60 is launched cannot pass through.It is preferred that the width of the first light shield slit
The length and width in degree and length region left with lens unit 41 is suitable, the second light shield slit
The length and width in width and length region right with lens unit 42 is suitable.Further, orientation agent
Alignment direction relevant with the position of light source 60 etc., regulation light source 60 angle of inclination so that
The alignment direction of orientation agent is to direction set in advance.
Refer to Fig. 5 C, by being previously with regard to the light shield apparatus description to the orientation of orientation agent, aforementioned
Step S4 farther includes:
S41, on this first substrate solidification after orientation agent be provided above the first light shield, this is first years old
Light shield includes the first light shield slit, the width of this first light shield slit and length and this first orientation agent
The width in region is corresponding with length；Here, between the first reticle surface and first substrate surface
Space from for 10～1000um；First light shield slit width is that (L is lens unit to L/2
Pitch), and with the distance of L/2 repeat the first light shield slit for period distances.Additionally, the
One light shield slit can carry out para-position using the centrage of lens unit as datum line, it is ensured that para-position essence
Spend best at positive and negative 5um.
S42, regulation light source, relative to the angle of inclination of this first substrate, make light pass this first light
It is irradiated to this first sub-orientation agent region after cover slit, and makes the orientation in this first sub-orientation agent region
The alignment direction of agent is identical with the first preset direction.Here light source can be with ultraviolet light (UV light) lamp
Deng lighting source.Here ultra-violet lamp chosen wavelength range is at 250nm to 370nm, Qi Zhongxuan
Select one or more in 365nm, 313nm or 254nm preferable.Further, specific wavelength
Or the ultraviolet light of polarization angle completes orientation agent after the first light shield slit within a certain period of time
Orientation.
The present invention uses above-mentioned light shield apparatus to utilize light to be irradiated to target area (such as the first sub-orientation agent
Region) orientation agent on, orientation agent is carried out orientation, to target area outside orientation agent the most not
Can have an impact, change tradition orientation agent only in the mode of single alignment direction orientation, and pass through
The setting of light shield slit and the regulation of light source position, can press accurately in orientation agent to target area
Carry out orientation according to demand, contribute to improving further the problem of anorthopia, promote stereo display effect.
It is preferred that refer to Fig. 6, this orientation to this second sub-orientation agent region in this step S5
Agent carries out orientation, farther includes:
S51, this first light shield also include the second light shield slit, the width of this second light shield slit and
Length is corresponding with the width in this second sub-orientation agent region and length；
S52, regulation light source, relative to the angle of inclination of this first substrate, make light pass this second light
It is irradiated to this second sub-orientation agent region after cover slit, and makes the orientation in this second sub-orientation agent region
The alignment direction of agent is identical with the second preset direction, wherein, and the bearing of trend of this first preset direction
With the bearing of trend of this second preset direction about the centrage place plane symmetry of this lens unit.
It is preferred that refer to Fig. 7, this step S62 farther includes:
S621, on this second substrate solidification after orientation agent be provided above the second light shield, this is second years old
Light shield includes the 3rd light shield slit, the width of the 3rd light shield slit and length and the 3rd sub-orientation
The width in agent region is corresponding with length；
S622, regulation light source, relative to the angle of inclination of this second substrate, make light pass the 3rd light
It is irradiated to the 3rd sub-orientation agent region after cover slit, and makes the orientation in the 3rd sub-orientation agent region
The alignment direction of agent is identical with the 3rd preset direction.
It is preferred that refer to Fig. 8, in this step S63, the 4th sub-orientation agent region is joined by this
Carry out orientation to agent, farther include:
S631, this second light shield also include the 4th light shield slit, the width of the 4th light shield slit and
Length is corresponding with the width in the 4th orientation agent region and length；
S632, regulation light source, relative to the angle of inclination of this second substrate, make light pass the 4th light
The 4th orientation agent region it is irradiated to after cover slit, and make the orientation agent in the 4th orientation agent region
Alignment direction is identical with the 4th preset direction, wherein, the bearing of trend of the 3rd preset direction with should
The bearing of trend of the 4th preset direction is about the centrage place plane symmetry of this lens unit.
By the way of using light shield apparatus, to the mesh each divided on first substrate and second substrate
Mark region uses the mode of illumination to realize the orientation of orientation agent, and the orientation that improve orientation agent is accurate
Property.
The present invention also provides for the manufacture method of a kind of 3 d display device, and this manufacture method includes as front
The manufacture method of the liquid crystal lens described in face.
After completing above-mentioned manufacture method, when liquid crystal lens works, apply voltage at strip electrode
Time, liquid crystal molecule under electric field potential energy effect centered by lens unit centrage left and right in uniformly flat
Sliding distribution, the tilt angle that the orientation agent of the lens unit centrage left and right sides is formed simultaneously is also
Following wind electric field direction of extension, does not haves tilt angle side when electrode wires both sides in friction matching suitable
Electric field bearing of trend is distributed, the comprehensive electric potential field deformation that side is caused against the distribution of electric field bearing of trend
Situation, greatly ensure that the complete and smooth of liquid crystal lens structure, when making work, light is more equal
Reflect distribution evenly, form a low crosstalk, the liquid crystal lens of high effect.
Additionally, according to the technical scheme disclosed in description of the invention, it is also possible to make further to expand
Exhibition and deformation, such as, not only corresponding 2 electrodes of the lens unit of liquid crystal lens, it is also possible to corresponding
3 electrodes, 5 electrodes, the multiple electrode structure such as 8 electrodes.For lenticular spacing (Pitch)
When being spaced bigger, it is proposed that use multiple electrode structure, make electric field intensity implement space and strengthen.Here,
As a example by 8 electrode structures, when 3 d display device is in 3D display state, to liquid crystal lens
Electrode apply voltage, with the longitudinal centre line of lens unit parallel pole for axis divide four groups symmetrical
Electrode, often group symmetry electrode applies identical voltage, applies different voltage between Different electrodes group；
Different electrodes group of the present invention applies voltage voltage from lens unit edge to center and is followed successively by 4.5V,
1.83V, 0.62V and 0V, after electrode is applied voltage, zones of different highfield is folded with weak electric field
Adding, high voltage electric field determines final electric potential field direction, and lens unit half right and left is distributed to tilt angle
All para-electric field distribution, are more likely formed smooth complete lens arrangement, greatly ensure that liquid crystal lens
The complete and smooth of structure, when making work, light more uniformly reflects distribution, forms a low crosstalk,
The liquid crystal lens of high effect, so that stereo display effect is more preferable.
The foregoing is only embodiments of the present invention, not thereby limit the patent model of the present invention
Enclosing, every equivalent structure utilizing description of the invention and accompanying drawing content to be made or equivalence flow process become
Change, or be directly or indirectly used in other relevant technical fields, be the most in like manner included in the present invention's
In scope of patent protection.
Claims (17)
1. a liquid crystal lens, including first substrate, second substrate, the first electrode, the second electricity
Pole, the first both alignment layers, the second both alignment layers and liquid crystal layer, described first substrate and described second substrate
Be arrangeding in parallel with preset space length, described first electrode is arranged on described first substrate, and described second
Electrode is arranged on described second substrate, and described first both alignment layers covers on the first electrode,
Described second both alignment layers covers on described second electrode, and described liquid crystal layer is arranged on described first and joins
To between layer and the second both alignment layers, it is characterised in that described liquid crystal lens includes multiple lens unit,
In each lens unit, described first both alignment layers includes the first sub-orientation region and the second sub-orientation
Region, described first both alignment layers intersects with the centrage place plane of described lens unit, and described
The bearing of trend of the alignment direction of the orientation agent in one sub-orientation region and described second sub-orientation region
The bearing of trend of alignment direction of orientation agent intersect at the described centrage institute of described lens unit
In plane, and about the described centrage place plane symmetry of described lens unit.
2. liquid crystal lens as claimed in claim 1, it is characterised in that at each lens unit
In, described second both alignment layers includes the 3rd sub-orientation region and the 4th sub-orientation region, described second
Both alignment layers intersects with the centrage place plane of described lens unit, described 3rd sub-orientation region
The orientation of the orientation agent in the bearing of trend of the alignment direction of orientation agent and described 4th sub-orientation region
The bearing of trend in direction intersects at the described centrage place plane of described lens unit, and about institute
State the described centrage place plane symmetry of lens unit.
3. liquid crystal lens as claimed in claim 2, it is characterised in that described orientation agent be with
At least one lower: photo-polymerization type orientation agent, light heterogeneous orientation agent or photolysis type orientation agent.
4. liquid crystal lens as claimed in claim 3, it is characterised in that described orientation agent pre-
Inclination angle is between 0.5 degree to 8 degree.
5. liquid crystal lens as claimed in claim 4, it is characterised in that described orientation agent pre-
Inclination angle is between 3 degree to 4 degree.
6. the liquid crystal lens as described in any one of claim 1 to 5, it is characterised in that described
First electrode is strip electrode, and described second electrode is face electrode or strip electrode.
7. the liquid crystal lens as described in any one of claim 2 to 5, it is characterised in that described
First sub-orientation region and described 3rd sub-orientation region are positioned at the centrage of described lens unit
The same side, the alignment direction of the orientation agent in described first sub-orientation region is in described second both alignment layers
Projection parallel with the alignment direction of the orientation agent in described 3rd sub-orientation region or intersect, and the two
Between the span of angle α be 0 °≤α≤2 °.
8. liquid crystal lens as claimed in claim 7, it is characterised in that described second sub-orientation
Region and described 4th sub-orientation region are positioned at the opposite side of the centrage of described lens unit, described
The projection in described second both alignment layers of the alignment direction of the orientation agent in the second sub-orientation region and institute
The alignment direction of the orientation agent stating the 4th sub-orientation region is parallel or crossing, and angle β therebetween
Span be 0 °≤β≤2 °.
9. a 3 d display device, including display floater and liquid crystal lens, it is characterised in that
Described liquid crystal lens is the liquid crystal lens described in any one of claim 1 to 8.
10. 3 d display device as claimed in claim 9, it is characterised in that described solid shows
Showing device also includes that Touch Screen, described Touch Screen include glass substrate and touch control component.
The manufacture method of 11. 1 kinds of liquid crystal lens, it is characterised in that described manufacture method includes:
S1, provide first substrate and second substrate, and be clamped in described first substrate and described the
Liquid crystal layer between two substrates；
S2, on described first substrate, form the first electrode layer, described first electrode layer is formed
First orientation oxidant layer, and solidify；
S3, described liquid crystal lens include multiple lens unit, each lens unit corresponding described
One orientation oxidant layer is divided into the first sub-orientation agent region and the second sub-orientation agent region, described first orientation
Oxidant layer intersects with the centrage place plane of described lens unit, described first sub-orientation agent region and
Described second sub-orientation agent region lays respectively at the two of the centrage place plane of described lens unit
Side；
S4, orientation agent to described first sub-orientation agent region carry out orientation；
S5, orientation agent to described second sub-orientation agent region carry out orientation, wherein, described first
The bearing of trend of the alignment direction of the orientation agent in sub-orientation region and described second sub-orientation region
The bearing of trend of the alignment direction of orientation agent intersects at the described centrage place of described lens unit
Plane, and about the described centrage place plane symmetry of described lens unit；
S6, formation the second electrode lay, formation on described the second electrode lay on described second substrate
Second orientation oxidant layer, and solidify, then the orientation agent to described second orientation oxidant layer carries out orientation.
12. manufacture methods as claimed in claim 11, it is characterised in that described step S6
Described in the orientation agent of the second orientation oxidant layer is carried out orientation, farther include:
The described second orientation oxidant layer that S61, each lens unit are corresponding is divided into the 3rd sub-orientation agent district
The centrage institute of territory and the 4th sub-orientation agent region, described second orientation oxidant layer and described lens unit
Intersecting in plane, described 3rd sub-orientation agent region and described 4th sub-orientation agent region lay respectively at
The both sides of the centrage place plane of described lens unit；
S62, orientation agent to described 3rd sub-orientation agent region carry out orientation；
S63, orientation agent to described 4th sub-orientation agent region carry out orientation, wherein, and described
The bearing of trend of the alignment direction of the orientation agent in three sub-orientation regions and described 4th sub-orientation region
The bearing of trend of alignment direction of orientation agent intersect at the described centrage institute of described lens unit
In plane, and about the described centrage place plane symmetry of described lens unit.
13. manufacture methods as claimed in claim 11, it is characterised in that described step S4
Farther include:
S41, on described first substrate solidification after orientation agent be provided above the first light shield, described
First light shield includes the first light shield slit, the width of described first light shield slit and length and described the
The width in one orientation agent region is corresponding with length；
S42, the angle of inclination of the regulation the most described first substrate of light source, make light pass described the
It is irradiated to described first sub-orientation agent region after one light shield slit, and makes described first sub-orientation agent district
The alignment direction of the orientation agent in territory is identical with the first preset direction.
14. manufacture methods as claimed in claim 13, it is characterised in that described step S5
Described in the orientation agent in described second sub-orientation agent region is carried out orientation, farther include:
S51, described first light shield also include the second light shield slit, the width of described second light shield slit
Spend corresponding with the width in described second sub-orientation agent region and length with length；
S52, the angle of inclination of the regulation the most described first substrate of light source, make light pass described the
It is irradiated to described second sub-orientation agent region after two light shield slits, and makes described second sub-orientation agent district
The alignment direction of the orientation agent in territory is identical with the second preset direction, wherein, and described first preset direction
The bearing of trend of bearing of trend and described second preset direction about the center of described lens unit
Line place plane symmetry.
15. manufacture methods as claimed in claim 12, it is characterised in that described step S62
Farther include:
S621, on described second substrate solidification after orientation agent be provided above the second light shield, described
Second light shield includes the 3rd light shield slit, the width of described 3rd light shield slit and length and described the
The width in three sub-orientation agent regions is corresponding with length；
S622, the angle of inclination of the regulation the most described second substrate of light source, make light pass described the
It is irradiated to described 3rd sub-orientation agent region after three light shield slits, and makes described 3rd sub-orientation agent district
The alignment direction of the orientation agent in territory is identical with the 3rd preset direction.
16. manufacture methods as claimed in claim 15, it is characterised in that described step S63
Described in the orientation agent in described 4th sub-orientation agent region is carried out orientation, farther include:
S631, described second light shield also include the 4th light shield slit, the width of described 4th light shield slit
Spend corresponding with the width in described 4th orientation agent region and length with length；
S632, the angle of inclination of the regulation the most described second substrate of light source, make light pass described the
It is irradiated to described 4th orientation agent region after four light shield slits, and makes described 4th orientation agent region
The alignment direction of orientation agent is identical with the 4th preset direction, wherein, and prolonging of described 3rd preset direction
Stretch the bearing of trend centrage institute about described lens unit of direction and described 4th preset direction
In plane symmetry.
The manufacture method of 17. 1 kinds of 3 d display devices, described manufacture method includes liquid crystal lens system
Make method, it is characterised in that described liquid crystal lens manufacture method is described in claim 11 to 16
The manufacture method of liquid crystal lens.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510386326.7A CN106324939B (en) | 2015-06-30 | 2015-06-30 | Liquid crystal lens, 3 d display device and manufacturing method |
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| CN201510386326.7A CN106324939B (en) | 2015-06-30 | 2015-06-30 | Liquid crystal lens, 3 d display device and manufacturing method |
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| CN106324939B CN106324939B (en) | 2019-10-25 |
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Cited By (1)
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| CN106773231A (en) * | 2017-03-30 | 2017-05-31 | 集美大学 | A kind of liquid crystal lens apparatus shown for bore hole 3D and its control method |
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