CN106030391A - Method for manufacturing optical display device - Google Patents
Method for manufacturing optical display device Download PDFInfo
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- CN106030391A CN106030391A CN201580008836.9A CN201580008836A CN106030391A CN 106030391 A CN106030391 A CN 106030391A CN 201580008836 A CN201580008836 A CN 201580008836A CN 106030391 A CN106030391 A CN 106030391A
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- region
- manufacture method
- optical component
- display means
- centrage
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/13363—Birefringent elements, e.g. for optical compensation
-
- 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
- G02B30/22—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 stereoscopic type
- G02B30/25—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 stereoscopic type using polarisation techniques
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3083—Birefringent or phase retarding elements
-
- 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
- G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/13363—Birefringent elements, e.g. for optical compensation
- G02F1/133631—Birefringent elements, e.g. for optical compensation with a spatial distribution of the retardation value
-
- 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
- H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
- H04N13/337—Displays for viewing with the aid of special glasses or head-mounted displays [HMD] using polarisation multiplexing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2213/00—Details of stereoscopic systems
- H04N2213/001—Constructional or mechanical details
Abstract
This method for manufacturing an optical display device, in which an optical member (1) provided with a retardation layer in which a plurality of first regions and a plurality of second regions form bands in a planar view is affixed to a liquid-crystal panel that has a plurality of pixel rows, includes the following steps: a detection step in which, on both widthwise ends, reference positions (Ba, Bb) for computing a central position (Bx) in an intersecting direction in an area in which the retardation layer overlaps the display region of the liquid-crystal panel in a planar manner are detected; a determination step in which said central position (Bx) is computed on the basis of said reference positions (Ba, Bb) and the first region (3Rc) located at said central position (Bx) is determined; and an affixing step in which the optical member (1) is affixed to the liquid-crystal panel on the basis of the relative positions of the determined first region (3Rc) and the pixel row in the center of the liquid-crystal panel in the abovementioned intersecting direction.
Description
Technical field
The present invention relates to the manufacture method of a kind of optical display means.
The application based on February 19th, 2014 in the patent application 2014-29547 of Japanese publication and CLAIM OF PRIORITY,
And by its content quotation in this.
Background technology
In recent years, the 3D (3 of the passive mode having referred to as FPR (Film Patterned Retarder) mode is developed
Dimension) liquid crystal indicator.
The 3D liquid crystal indicator (display device) of which such as configures polarization element layer in the display surface side of liquid crystal panel,
And then at viewing side configuration patterning phase separation layer.Additionally, the backlight side at liquid crystal panel configures light polarizing film.
Polarization element layer has following optical function: absorb the suction being parallel to polarization element layer from the light that liquid crystal panel side is incident
Receive the polarized light component of the vibration plane of axle, and make the polarized light component being orthogonal to the vibration plane absorbing axle of polarization element layer penetrate.Just
Penetrating the transmission light after polarization element layer is rectilinearly polarized light.
Patterning phase separation layer is generally formed on base material film.Patterning phase separation layer includes the 1st region and the 2nd region.The
1 region and the 2nd region are respectively formed as banding, in the way of corresponding to being formed as the pel array of rectangular liquid crystal panel
Alternately arranged.
Figure 12 is the position alignment liquid crystal panel P in 3D liquid crystal indicator being described with patterning phase separation layer 3
Top view.
As shown in figure 12, in liquid crystal panel P, along long limit (left and right of the liquid crystal panel P in Figure 12: width direction)
It is periodically arranged and is configured with red pixel R, green pixel G, blue pixel B.Further, pixel R of shades of colour, G,
B arranges the most in a large number and becomes pixel column L, this pixel column L across and liquid crystal panel P viewing area upper and lower (figure
The longitudinal direction of the liquid crystal panel P in 12) and arrange in a large number.
On the other hand, patterning phase separation layer 3 includes the (left and right in Figure 12: horizontal, long limit along patterning phase separation layer 3
Cross direction) multiple 1st region 3R of extending and multiple 2nd region 3L.1st region 3R and the 2nd region 3L corresponds to
Each pixel column L of liquid crystal panel P and by across and arrange in a large number in the way of (longitudinal direction in Figure 12) up and down.Such as, aobvious
Show viewing side configuration the 1st region 3R of the pixel column L of right eye image, in the viewing of the pixel column L of display left eye image
Side configuration the 2nd region 3L.In the 1st region 3R and the 2nd region 3L, the direction of phase contrast is different, right eye image
Become mutually different polarized condition with left eye image and be shown in viewing side (such as, referenced patent document 1).
In the way of the boundary line K of the 1st region 3R and the 2nd region 3L is between each pixel column L, liquid crystal panel P is pasted
Close patterning phase separation layer 3, constitute the 3D liquid crystal indicator of the FPR mode using liquid crystal panel P.
User by equipped with the right eye-use lens optical element different from the optical characteristics of left eye-use lens so-called partially
Optical glasses watches display image, and thus, right eye optionally watches right eye image, and left eye is optionally watched left eye and used
Image.Thus, the stereo-picture of the recognizable image co-registration by two of user.
Prior art literature
Patent documentation
Patent documentation 1: Japanese Patent Laid-Open 2012-212033 publication
Summary of the invention
The problem that invention is to be solved
When the manufacture of the 3D liquid crystal indicator of FPR mode as described above, to make the 1st of patterning phase separation layer respectively
Region and the pixel column of liquid crystal panel or the 2nd region mode the most corresponding with pixel column will include patterning phase place
The optical component of difference layer and polarization element layer conforms to liquid crystal panel.At this moment, if the 1st region and the of patterning phase separation layer
2 region both sides are overlapping with 1 pixel column, then can produce so-called crosstalk, i.e. originally should only be used by the right eye of right eye identification
Image is also recognized by left eye, and the image quality of stereoscopically displaying images probably can be made to reduce.
But, due to the foozle of optical component, the deformation of optical component, for fitting time the optical detection essence of location
Spend relatively low etc., optical component and probably can offset relative to position or orientation after the laminating of liquid crystal panel.
The present invention is to form in light of this situation, its object is to provide a kind of can be with higher positional precision laminating optical component
With liquid crystal panel thus realize the manufacture method of the optical display means that the image of high-quality shows.
The technological means of solution problem
In order to solve the problems referred to above, a form of the present invention provides the manufacture method of a kind of optical display means, and it is to include
The optical component of phase separation layer conforms to the method with the optics display part of multiple pixel column, and described phase separation layer includes making
Incident linear polarization becomes multiple 1st regions of the 1st polarized condition and makes the linear polarization of incidence become the 2nd polarized condition
Multiple 2nd regions, multiple described 1st regions and multiple described 2nd region are that banding extends and formed when overlooking, its
In, described 1st region in described phase separation layer and described 2nd region with described 1st region and described 2nd region
It is alternately arranged on the direction that bearing of trend intersects, and, the manufacture method of this optical display means includes: detection operation,
The end side in the direction of described intersection and another side detect reference position respectively, and described reference position is in order to calculate described phase place
The central authorities in the described direction intersected in the part that difference layer is the most overlapping with the viewing area of described optics display part
Position；Determining operation, the described reference position according to detecting respectively in described end side and another side described calculates institute
State the position of central authorities, determine described 1st region of the position being arranged in described central authorities；And bonding process, according to being determined
The relative position of pixel column of the central authorities being positioned at the described direction intersected of described 1st region and described optics display part come
Described optical component of fitting shows part with described optics.
Following manufacture method can be set to: in possessing a form of the present invention of above-mentioned composition, determine in operation described, right
Determined by described 1st region shoot, according to the image obtained determined by described in multiple Site Determinations the 1st
The width in region, the coordinate of the center of the described width that detection assay goes out, utilize multiple described coordinate to approximate described figure
The centrage of the width in the 1st region determined by described in Xiang, in described bonding process, according to described centrage
Show with described optics to described optical component of fitting with the relative position of the pixel column of the central authorities being positioned at the described direction intersected
Part.
Following manufacture method can be set to: in possessing a form of the present invention of above-mentioned composition, determine in operation described,
The quantity of measurement site of described width can be measured less than in the case of the 1st threshold value, in described 1st region along described
The diverse location of bearing of trend shoots, and again measures described width according to the image obtained at multiple positions.
Following manufacture method can be set to: in possessing a form of the present invention of above-mentioned composition, determine in operation described, right
In can measure center described in the measurement site of described width relative to described centrage separated by a distance more than the 2nd threshold
The measurement site of value, by it from removing in order to approximating the multiple described coordinate of described centrage, and approximates described center again
Line.
Following manufacture method can be set to: in possessing a form of the present invention of above-mentioned composition, determine in operation described,
Described center relative to described centrage separated by a distance more than in the case of the 3rd threshold value, in described 1st region
Diverse location along described bearing of trend shoots, and again measures described width according to the image obtained at multiple positions
Degree.
Following manufacture method can be set to: in possessing a form of the present invention of above-mentioned composition, described in described phase separation layer
At least one end of bearing of trend and central part carry out described detection operation and described determine operation, in described bonding process,
So that being configured at described 1st region of the position of the described central authorities calculated respectively and described light in described end and described central part
The mode that the pixel column of the central authorities learning the direction being positioned at described intersection of display part is corresponding is fitted.
Following manufacture method can be set to: in possessing a form of the present invention of above-mentioned composition, in described bonding process, root
According to the described centrage at described central part be positioned at the central authorities in the described direction intersected and be positioned at the pixel column of described central part
Fit described optical component and described optics of relative position show part.
Following manufacture method can be set to: in possessing a form of the present invention of above-mentioned composition, in described bonding process, with
Described centrage at the described centrage of at least an end portion according to described bearing of trend and described central part controls institute
The mode stating the relative bearing in the binding face of optical component and described optics display part is fitted.
Following manufacture method can be set to: in possessing a form of the present invention of above-mentioned composition, in described bonding process, root
Phase according to the described centrage at described central part with the pixel column of the central and described central part being positioned at the described direction intersected
Position is controlled the relative position of described optical component and the described width of described optics display part.
The effect of invention
According to the present invention, it is possible to provide a kind of can with higher positional precision laminating optical component with liquid crystal panel it is thus possible to real
The manufacture method of the optical display means that the image of existing high-quality shows.
Accompanying drawing explanation
Fig. 1 is the top view of the schematic configuration representing display device.
Fig. 2 is the sectional view of the schematic configuration representing display device.
Fig. 3 is the floor map of patterning phase separation layer.
Fig. 4 is the explanatory diagram of the manufacture method of the optical display means of present embodiment.
Fig. 5 is the explanatory diagram of the manufacture method of the optical display means of present embodiment.
Fig. 6 is the explanatory diagram of the manufacture method of the optical display means of present embodiment.
Fig. 7 A is the explanatory diagram of the manufacture method of the optical display means of present embodiment.
Fig. 7 B is the explanatory diagram of the manufacture method of the optical display means of present embodiment.
Fig. 8 is the explanatory diagram of the manufacture method of the optical display means of present embodiment.
Fig. 9 is the explanatory diagram of the manufacture method of the optical display means of present embodiment.
Figure 10 is the explanatory diagram of the manufacture method of the optical display means of present embodiment.
Figure 11 A is the explanatory diagram of the manufacture method of the optical display means of present embodiment.
Figure 11 B is the explanatory diagram of the manufacture method of the optical display means of present embodiment.
Figure 12 is the vertical view liquid crystal panel in 3D liquid crystal indicator being described with the position alignment of patterning phase separation layer
Figure.
Detailed description of the invention
Below, with reference to accompanying drawing, while the manufacture method of the optical display means of present embodiment is illustrated.Furthermore,
In all accompanying drawings referenced in the following description, observe to make accompanying drawing be prone to, the size of each element or ratio etc.
Take the circumstances into consideration there are differences.
＜ optical display means ＞
Fig. 1～3 is to represent that (optics shows for the display device that manufactured by the manufacture method of the optical display means of present embodiment
Show equipment) explanatory diagram of 100.
Fig. 1 is the top view of the schematic configuration representing display device 100.Fig. 2 is the display at the line segment II-II in Fig. 1
The sectional view of device 100.The 3D liquid crystal indicator that display device 100 is FPR mode of present embodiment.Such as Fig. 1
Or shown in Fig. 2, display device 100 includes liquid crystal panel (optics display part) P, light polarizing film F11 and optical component 1.
As shown in Figures 1 and 2, liquid crystal panel P includes: the 1st substrate P 1, and it is rectangle shape when overlooking；2nd base
Plate P2, it is oppositely disposed with the 1st substrate P 1, in relatively small oblong-shaped；And liquid crystal layer P3, it is enclosed in
Between 1st substrate P the 1 and the 2nd substrate P 2.Liquid crystal panel P overlook time in the length consistent with the profile of the 1st substrate P 1
Square shape, is set to viewing area P4 by the region being in the inner side of the periphery of liquid crystal layer P3 when overlooking.
Four corners when the vertical view of liquid crystal panel P are provided with location alignment mark Am.In FIG, illustrate four
Individual corner is respectively provided with the situation of alignment mark Am, but, the most also total 3 can be set 3 corners in four corners
Individual alignment mark, and, it is possible to 2 alignment marks of total are set in the position at the diagonal angle in four corners.
Backlight side at liquid crystal panel P is fitted with light polarizing film F11.Light polarizing film F11 is pasted via not shown adhering agent layer
It is bonded to liquid crystal panel P.Light polarizing film F11 has following optical function: absorb the vibration plane being parallel to absorb axle in incident light
Polarized light component making be orthogonal to absorb the polarized light component of the vibration plane of axle and penetrate.Just penetrate the transmission after light polarizing film F11
Light is rectilinearly polarized light.
On the other hand, the display surface side at this liquid crystal panel P is fitted with optical component 1.Optical component 1 includes polarization element
Layer 2 and patterning phase separation layer (phase separation layer) 3, be fitted in the way of liquid crystal panel P by polarization element layer 2 side
On liquid crystal panel P.
Polarization element layer 2 has following optical function: absorbs and is parallel to absorb shaking of axle from the light that liquid crystal panel P side is incident
The polarized light component in dynamic face also makes the polarized light component being orthogonal to absorb the vibration plane of axle penetrate.After just having penetrated polarization element layer 2
Transmission light be rectilinearly polarized light.
The floor map of the patterning phase separation layer 3 that Fig. 3 is had by optical component 1.Patterning phase separation layer 3 includes
Multiple 1st region 3R and multiple 2nd region 3L.Additionally, patterning phase separation layer 3 is the component overlooking rectangle.
1st region 3R makes the linear polarization penetrated via polarization element layer 2 such as become dextrorotation rotatory polarization (the 1st polarisation
State).2nd region 3L makes the linear polarization penetrated via polarization element layer 2 such as become left-handed rotatory polarization the (the 2nd
Polarized condition).
1st region 3R and the 2nd region 3L is to extend along the length direction of patterning phase separation layer 3 and formed, and with the
It is alternately arranged on the direction that the bearing of trend of 1 region 3R and the 2nd region 3L intersects.1st region 3R and the 2nd region 3L
Width be that the size of pixel according to the liquid crystal panel P fitted sets, about for example, 400 μm～500 μm.
In the following description, sometimes will be patterned into the 1st region 3R in phase separation layer 3 and the extension side of the 2nd region 3L
To " length direction " of referred to as patterning phase separation layer 3, the orientation of the 1st region 3R and the 2nd region 3L is referred to as
" width " of patterning phase separation layer 3.It is that is, above-mentioned " length direction " corresponding to " bearing of trend " in the present invention,
" width " is corresponding to " direction of intersection " in the present invention.
In display device 100, patterning phase separation layer 3 is formed bigger than viewing area P4 when overlooking, thus has
Beyond " the remaining area with the lap of viewing area P4 when the most overlapping with the viewing area P4 of liquid crystal panel P
Territory ".1st region 3R and the 2nd region 3L is not only provided at the part overlapping with viewing area P4, has also set up surplus
In remaining region.Herein, what is called " patterning phase separation layer (phase separation layer) 3 and the liquid crystal panel (light described in the present invention
Learn display part) the viewing area P4 of P is overlapping in the plane " will be the most as shown in FIG. 2 at patterning phase separation layer 3
And also it is situated between liquid crystal panel P and has in the situation of other layers (polarization element layer 2) is also included within.
Being back to Fig. 2, light polarizing film F11 and optical component 1 is with the polarization element layer 2 of light polarizing film F11 Yu optical component 1
The mode becoming cross-polarized light configuration conforms to liquid crystal panel P.
It is fitted with protecting film Pf on the surface of patterning phase separation layer 3 side of optical component 1.Protecting film Pf protects optics structure
The surface of part 1, peels off and is arranged on freely on optical component 1.
Protecting film Pf uses and forms adhesion-fissility resin bed or tack resin bed on transparent resin film and impart weak viscous
The film of the property.As transparent resin film, include, for example polyethylene terephthalate, PEN, poly-second
Alkene and the squeeze film of the such thermoplastic resin of polypropylene, the co-extrusion press mold that they are combined, they are carried out single shaft or
Film etc. obtained by twin shaft extension.As transparent resin film, in above-mentioned film, the transparency is preferably used and homogeneity is excellent, price
Cheap polyethylene terephthalate or the uniaxially or biaxially stretched PTFE film of polyethylene.
For protecting film Pf, its resin is orientated along the flow direction of molten resin when shaping or bearing of trend mostly,
Thus there is birefringence.The birefringence of this protecting film Pf is different in face.Therefore, by surface by protecting
In the case of the optical component 1 that cuticula Pf is protected by conforms to liquid crystal panel P, exist because of the optical characteristics of protecting film Pf
And cause the situation of the optical detection more difficulty of optical component 1.
The liquid crystal panel P being fitted with light polarizing film F11 and optical component 1 passes through drive circuit, the back of the body that assembling is not shown further
Light source cell etc. and become display device 100.
About the type of drive of liquid crystal panel P, such as, can use TN (Twisted Nematic (twisted-nematic)), STN
(SuperTwisted Nematic (super twisted nematic), VA (Vertical Alignment (arranged vertically)),
(Optically Compensated Bend (mend by optics for IPS (In-Plane Switching (plane conversion)), OCB
Repay bending)) etc. various patterns known in this field.In these patterns, can be preferably with the liquid crystal of IPS mode
Panel P.
The display device 100 manufactured by the manufacture method of the optical display means of present embodiment is constructed as described above.
Manufacture method ＞ of ＜ optical display means
The explanatory diagram of the manufacture method of Fig. 4～Figure 11 A and optical display means that Figure 11 B is present embodiment.In this enforcement
In the manufacture method of the optical display means of mode, according to laminating benchmark and the laminating benchmark of optical component 1 of liquid crystal panel P
Relative position fit liquid crystal panel P and optical component 1.
(detection of the pixel column at the center of viewing area P4)
As the laminating benchmark of liquid crystal panel P, use the pixel column at the center of viewing area P4.
Such as, as shown in Figure 4, the periphery in the multiple camera head (not shown) corner to being set in liquid crystal panel P is used
Camera watch region PA shoot.The image imaged comprises alignment mark Am.The view data quilt of the image that shooting is arrived
Input to arithmetic unit, take the circumstances into consideration to implement the image procossing of prominent alignment mark Am.Detect fiducial mark according to this view data
The coordinate of note Am.
Thereafter, utilize line segment connected to each other for the coordinate of the alignment mark Am detected, calculate 4 alignment mark Am's
Center PC1 or on the width of liquid crystal panel P relative to center PC2, PC3 of a pair alignment mark Am.
The position of the pixel column at the center of viewing area P4 is detected according to these positions.
Furthermore, according to the difference of the setting position of the viewing area P4 outer shape relative to liquid crystal panel P, according to alignment
The coordinate of labelling Am and the center PC1 that obtains or center PC2, PC3 are sometimes and in non-display area P4
Heart position etc..In this case, according to the design load of liquid crystal panel P, by real center and the center calculated
The departure of PC1 or center PC2, PC3 is redefined for compensation dosage, takes the circumstances into consideration the above-mentioned value that calculates is compensated and added
To use.
(detection of the center of optical component 1)
As the benchmark of optical component 1, use the 1st region of the central authorities being positioned at width of patterning phase separation layer 3.
By the research of present inventor et al., for optical component 1, if using with several as liquid crystal panel P
The position what mode calculates, as center, the most probably can reduce display quality.Its reason is as follows.
First, in the 3D liquid crystal indicator of FPR mode, it is necessary to pattern the 1st region and the 2nd of phase separation layer 3
The pixel column state one to one laminating optical component of region and liquid crystal panel and liquid crystal panel.Its reason is, if to 1
Individual pixel column overlaps the 1st region and the 2nd region, then can cause crosstalk.
On the other hand, in optical component 1, the limit of the length direction of optical component 1 and the 1st region or the extension in the 2nd region
Direction is sometimes and not parallel.
Such as, optical component 1 is to manufacture in a large number in reel-to-reel mode sometimes.Specifically, at the table of film coiled material of banding
Face forms light orientation material layer, and this film coiled material is carried out roll-type conveyance, while light orientation material layer is exposed on
2 kinds of polarized light alternately arranged on the direction that conveyance direction is intersected, are consequently formed 2 kinds of polarisation figures corresponding to 2 kinds of polarized light
Case (the 1st region, the 2nd region), thus make the coiled material of optical component.Then, by suitably cutting this coiled material system
Make optical component.
But, in this reel-to-reel mode, there is the situation that film coiled material wriggles in roll-type transports.Therefore, to wriggling
The 1st region or the 2nd region that the film coiled material of Yan exposes and formed there is also situation about being formed deviously.In this case, light
Learn limit and the 1st region of the length direction of component 1 or the bearing of trend in the 2nd region not parallel.
Additionally, there are the precision of the machining implemented because of the shape according to liquid crystal panel P and cause the length of optical component 1
The limit in degree direction and the 1st region or the uneven situation of bearing of trend in the 2nd region.
For those reasons, the position calculated in geometry mode in the shape according to optical component 1, pattern phase contrast
1st region and the 2nd region of layer 3 not necessarily can be overlapping with pixel column correspondingly.
For the above reasons, need following technology: in the case of optical component 1 is conformed to liquid crystal panel P, detect light
Learn the polarisation pattern of the patterning phase separation layer 3 of the center position of component 1, so that this polarisation pattern is with liquid crystal panel P's
The corresponding mode of pixel column is fitted.
About patterning the 1st region of phase separation layer 3 of center position and the 2nd region of optical component 1, it is to utilize the
The difference of the optical characteristics in 1 region and the 2nd region, makes polarized light penetrate and shoots, and uses the figure photographed
As carrying out optical detection.
But, owing to optical component 1 has polarization element layer, therefore light transmittance is relatively low, and the image photographed is the darkest, and
And, the birefringence of the protecting film Pf being attached to the surface of optical component 1 is different in face, so the solution of shooting image
Analysis more difficulty.
Therefore, in the present embodiment, the end side of width and another side at optical component 1 detect the 1st respectively
The border (detection operation) in region and the 2nd region, the position on the border detected according at one end side and another side is come really
Surely the 1st region (determining operation) of the central authorities being positioned at width of patterning phase separation layer 3.
Below, sequentially illustrate.
(detection operation)
As it is shown in figure 5, use multiple camera head (not shown), the length direction of optical component 1 both ends (with
Symbol 13,14 represents) and central part, one end 11, the other end 12 to the width being set in optical component 1 respectively
And camera watch region PA1～PA9 of central authorities shoots.About each camera watch region, it is set in the length direction of optical component 1
Camera watch region PA1～PA3 of end 13 be one group, be set in the shooting of the end 14 of the length direction of optical component 1
Region PA4～PA6 is one group, and camera watch region PA7～PA9 of the central authorities being set in the length direction of optical component 1 is one group.
As shown in Figure 6, in the end 13 of the length direction of optical component 1, first according to taken in camera watch region PA1
Image, the 1st region 3Ra that comprised and the border (reference position) of the 2nd region 3La in detection camera watch region PA1
Ba.Setting position according to camera watch region PA1 and the design of optical component 1, the 1st region 3Ra is from optical component 1
Which the 1st region, 11, one end, the 2nd region 3La be which the 2nd region from one end 11 of optical component 1
This situation is known.
Additionally, according to the image photographed at camera watch region PA2, the 1st region 3Rb comprised in detection camera watch region PA2
Border (reference position) Bb with the 2nd region 3Lb.Setting position according to camera watch region PA2 and optical component 1
Design, the 1st region 3Rb be from the other end 12 of optical component 1 which the 1st region, the 2nd region 3Lb be from
Which the 2nd this situation of region of the other end of optical component 1 12 is known.
About boundary B a, such as, can come by the image binaryzation that will photograph and by the most black boundary member smoothing in addition
Detection.This is also the same for the Bb of border.
So, by detection boundary B a, Bb, and the position detection after carrying out according to boundary B a detected, Bb,
No matter the outer shape of optical component 1, all can the position of the polarisation pattern of check pattern phase separation layer 3 exactly.
(determining operation: the determination in the 1st region of central authorities)
Then, boundary B a that detects according at one end 11 sides and the other end 12 side, the position of Bb, calculate patterning phase
The position of the central authorities on the width of potential difference layer 3.In figure 6, the position of the central authorities calculated is represented with symbol Bx.In
In the camera watch region PA3 of the central authorities that the position Bx of centre is included in the width being set in optical component 1.
Herein, so-called " central authorities on the width of patterning phase separation layer 3 ", refer in patterning phase separation layer 3
The central authorities of the width in part the most overlapping with the viewing area P4 of liquid crystal panel P.In the following description,
Part the most overlapping with the viewing area P4 of liquid crystal panel P in patterning phase separation layer 3 is referred to as " effective district
Territory ".
Such as, in optical component 1, institute in the remaining area of the end of the side, one end 11 from boundary B a to effective coverage
The remaining area of the end of the 1st region of configuration and the quantity in the 2nd region and the other end 12 side from boundary B b to effective coverage
The 1st region configured in territory and the quantity in the 2nd region different in the case of, it is considered to configured in these remaining areas
1st region and the quantity in the 2nd region and calculate the position Bx of central authorities.
Then, according to the image photographed at camera watch region PA3, detection overlaps in the 1st district of central position Bx
Territory 3Rc, determines the 1st region 3Rc of the central authorities of effective coverage.
In the image photographed, different with the color in the 2nd region or brightness owing to observing the 1st region, therefore can district
Divide the 1st region and the 2nd region.But, because of the birefringence of protecting film, following phenomenon can be produced, i.e. in a certain region
Inside observe that the 2nd region is brighter than the 1st region comparatively speaking, and in other regions, observe that the 1st region is comparatively speaking than
2 regions are bright, thus precision probably can be occurred to reduce when detecting based on shooting image.
But, as it has been described above, by the center predicting effective coverage according to boundary B a, Bb, and will be arranged in pre-
The 1st region that location is put is defined as the 1st region of the central authorities of effective coverage, it may be determined that the 1st region of the central authorities of effective coverage
Without being affected by the observed result of shooting image.
(determine operation: the detection of Central Line)
Then, according to the image photographed at camera watch region PA3, the width of the 1st region 3Rc is sought with approximate way
Centrage.Fig. 7 A, Fig. 7 B and Fig. 9 are the explanatory diagram of the method representing centering line, and Fig. 8 is the side representing centering line
The flow chart of method.In the following description, take the circumstances into consideration with reference to the flow chart shown in Fig. 8, the operation that displaying meets on one side
Step.
First, as shown in Figure 7 A, according to the image photographed at camera watch region PA3, the 1st district is measured at multiple measuring points
The width (step S1) of territory 3Rc.Such as, the image photographed is converted to GTG, in multiple Site Determination the 1st regions
Distance W between boundary B c of the width of 3Rc, Bd.
Furthermore, in fig. 7, for convenience, it is to represent boundary B c, Bd with straight line, but in shooting image, border
Bc, Bd non-rectilinear.Therefore, the value of distance W gone out at multiple Site Determinations is different.Additionally, also have some figure
Boundary B c, the situation at the indefinite position of Bd is there is, at this position, it is impossible to measure distance W in Xiang.
Therefore, set threshold value (the 1st threshold value) for the quantity of the measuring point that can be effectively measured, to can effectively enter
The quantity of the measuring point that row measures and threshold value compare (step S2).
In the case of the measuring point that can be effectively measured is more than the 1st threshold value, count in the mensuration that can be effectively measured
Go out the coordinate (step S3) of the center D of width, approximate the 1st region 3Rc according to the coordinate of multiple center D
The centrage C1 (step S4) of width.As approximation, generally known statistical method can be used, such as,
The approximation method seeking regression straight line (near linear) using method of least square can be enumerated.Furthermore, about being set as the 1st threshold
Value, the lower limit of measuring point quantity that can effectively be measured, can set as one sees fit according to the specification of patterning phase separation layer 3.
Fig. 7 B is the chart representing the centrage C1 approximated out, is the figure representing centrage C1 with the form of Y=0.
Herein, in figure 7b, it is plotted in the some D1 of+y side or is plotted in the some D2 of-y side compared with other D, away from
Centrage C1's is the biggest, it is believed that centrage C1 is calculated result and creates large effect.In this situation
Under, can carry out judging (step S5) according to threshold value set in advance (the 2nd threshold value), delete separated by a distance more than the 2nd
The determination data (step S7) of the measuring point (some D1 and some D2) of threshold value, uses remaining after removing a D1 and some D2
Remaining point carrys out approximated centerlines again.Thereafter, the quantity of remaining measuring point after the measuring point away from centrage C1 being removed
Compare (step S2) with above-mentioned 1st threshold value, carry out the judgement of process thereafter.Herein, about being set as the 2nd threshold
The upper limit separated by a distance that be worth, between center, as the situation of above-mentioned 1st threshold value, can be according to patterning phase contrast
The specification of layer 3 sets as one sees fit.
On the other hand, in the case of not measuring point away from centrage C1, according to for center D relative in
Heart line C1 separated by a distance and threshold value set in advance (the 3rd threshold value) carrys out the deviation (step S6) of assessment centers position D.
3rd threshold ratio the 2nd threshold value is little.In figure 7b, the 3rd threshold value is represented with symbol M.Deviation at center D is in
In the case of in the range of prescribed threshold, the centrage C1 obtained is defined as the centrage of the 1st region 3Rc.Additionally,
About being set as the 3rd threshold value, the upper limit separated by a distance between center, with above-mentioned 1st, the situation one of the 2nd threshold value
Sample, can set as one sees fit according to the specification of patterning phase separation layer 3.
In the case of learning that the measuring point that can be effectively measured does not reaches threshold value by the judgement of step S2, and by step
The judgement of rapid S6 is learnt and is existed and in the case of the center D being more than the 3rd threshold value separated by a distance of centrage C1, respectively
Change camera watch region and carry out shooting (step S8), according to being obtained at the diverse location of the bearing of trend along the 1st region 3Rc
Image and again measure width (step S1) at multiple positions.
To camera watch region PA1～PA3 of the end 13 of the length direction being set in optical component 1, it is set in optical component 1
Length direction end 14 camera watch region PA4～PA6, be set in optical component 1 length direction central authorities shooting
Region PA7～PA9 carries out processed as above respectively.
Furthermore, in the case of change camera watch region, the most as shown in FIG. 9 optical component 1 is divided in the longitudinal direction
It is 3 regions AR1, AR2, AR3, in the way of without departing from each region, changes camera watch region.At this moment, for length direction
Two ends at camera watch region PA3, PA6, the most respectively towards the central authorities of optical component 1 as camera watch region PA31, PA61
Side change camera watch region.For the camera watch region PA9 of the centre of length direction, the most preferably be changed to camera watch region PA91,
The mode of camera watch region PA92 it is changed to, towards length centered by camera watch region PA9 in the case of needing change further
The both sides change camera watch region in direction.
Additionally, when changing camera watch region, both can be as camera watch region PA3 and camera watch region PA31, camera watch region PA6 and take the photograph
As the PA61 of region before changing with change after camera watch region the most overlapping, it is possible to as camera watch region PA9 and camera watch region
PA91, PA92 the most before changing with change after camera watch region partly overlap.
(bonding process)
Then, as shown in Figure 10, laminating liquid crystal panel P and optical component 1.At this moment, it is positioned at width according to liquid crystal panel P
The pixel column of the central authorities in degree direction with determined by the relative position of centrage of the 1st region 3Rc (reference Fig. 7 A) fit
Both.In Fig. 10, set xyz coordinate system, with the length direction of liquid crystal panel P be x direction, with liquid crystal panel P
Width be y direction, represented for z direction with the direction being orthogonal to x/y plane.
Specifically, as shown in Figure 11 A, according to centrage C1, C2 of the end of the length direction of optical component 1 and
Centrage C3 at the central part of length direction controls optical component 1 and relative bearing θ in the binding face of liquid crystal panel,
Adjust the attitude of optical component 1.At this moment, the direction of the rotary shaft of angle adjustment is identical with z-axis, the position example of center of rotation
As overlapping with centrage C3.Furthermore, the centrage for the end of the length direction of angle adjustment be alternatively centrage C1,
Either one in C2.
Additionally, as shown in Figure 11 B, optical component 1 and liquid are controlled according to the centrage C3 at the central part of length direction
The relative position of the width of crystal panel, adjusts the attitude of optical component 1.In Figure 11 B, illustrate and make optical component
1 situation about moving in the y-direction.
Owing to the immediate vicinity of viewing area is observed the most careful by the user of display device, therefore, if in viewing area
Center produces crosstalk, then user is easily discovered.To this, if as in the present embodiment with the centrage C3 of optical component 1
On the basis of carry out the position adjustment of optical component 1, and the pixel column of the central authorities being positioned at width according to liquid crystal panel P
Fit both with the relative position of centrage C3, then optical component 1 and liquid crystal panel are by the essence at the center with viewing area
Spend optimal mode to be fitted.Therefore, it is difficult in viewing area by the display device of the manufacture method manufacture of present embodiment
The center in territory produces crosstalk, thus the image that can realize high-quality shows.
That is, according to the manufacture method of optical display means as constructed as above, can with higher positional precision laminating optical component with
Liquid crystal panel, thus the image realizing high-quality shows.
Furthermore, in the present embodiment, be the polarisation pattern penetrated for right eye image as the 1st region 3R, but also may be used
The polarisation pattern penetrated by left eye image is set as that the 1st region is to carry out position detection etc..
Additionally, in the present embodiment, for the manufacture device in order to manufacture display device (optical display means) 100 also
Do not illustrated, but this manufacture device is also without any restriction.Such as, as the manufacture device of display device 100, can use
Including the manufacture device of the composition assembling transport unit, calculation control unit etc., described assembling transport unit is in order in operation
The each component of upper conveyance, while these each components are assembled each other, described calculation control unit is by shown in the flow chart of Fig. 8
Such action controls the action of this assembling transport unit.
Above, with reference to accompanying drawing while being illustrated the better embodiment example of the present invention, but certainly, the present invention is also
It is not limited to this example.Each shape of each member of formation shown in above-mentioned example, combination etc. are an example, can be without departing from this
Various change is carried out according to design requirement etc. in the range of the purport of invention.
Symbol description
1 ... optical component, 3 ... patterning phase separation layer (phase separation layer), 3L, 3La, 3Lb ... the 2nd region, 3R, 3Ra,
3Rb, 3Rc ... the 1st region, 11 ... one end, 12 ... the other end, 13,14 ... end, 100 ... (optics shows display device
Show equipment), Ba, Bb ... border, Bx ... central authorities position, C1～C3 ... centrage, D ... center, L ... pixel column,
P ... liquid crystal panel (optics display part), P4 ... viewing area.
Claims (9)
1. a manufacture method for optical display means, it is that the optical component including phase separation layer is conformed to have multiple picture
The method of the optics display part of element row, it is many that described phase separation layer includes making the linear polarization of incidence become the 1st polarized condition
Individual 1st region and make the linear polarization of incidence become multiple 2nd regions of the 2nd polarized condition, multiple described 1st regions and
Multiple described 2nd regions are to be that banding extends and formed when overlooking, and the manufacture method of this optical display means is characterised by,
Described 1st region in described phase separation layer and described 2nd region with described 1st region and described 2nd region
It is alternately arranged on the direction that bearing of trend intersects, and, the manufacture method of this optical display means includes:
Detection operation, end side and another side in the direction of described intersection detect reference position, described reference position respectively
The described friendship in part the most overlapping with the viewing area of described optics display part in order to calculate described phase separation layer
The position of the central authorities in the direction of fork；
Determine operation, calculate according to the described reference position detected respectively in described end side and another side described described
The position of central authorities, determines described 1st region of the position being arranged in described central authorities；And
Bonding process, according to determined by described 1st region and described optics display part be positioned at the described direction intersected
The relative position of pixel column of central authorities described optical component of fitting shows part with described optics.
The manufacture method of optical display means the most according to claim 1, it is characterised in that
Determine in operation described, to determined by described 1st region shoot, according to the image obtained multiple
The width in the 1st region determined by described in Site Determination, the coordinate of the center of the described width that detection assay goes out, utilize
Multiple described coordinates approximate in described image described determined by the centrage of width in the 1st region,
In described bonding process, according to the phase para-position of described centrage with the pixel column of the central authorities being positioned at the described direction intersected
Put described optical component of fitting and show part with described optics.
The manufacture method of optical display means the most according to claim 2, it is characterised in that
Determine in operation described, the quantity of measurement site of described width can measured less than in the case of the 1st threshold value, right
The diverse location along described bearing of trend in described 1st region shoots, according to the image obtained at multiple positions
Again measure described width.
4. according to the manufacture method of the optical display means described in Claims 2 or 3, it is characterised in that
Determine in operation described, for center described in the measurement site of described width can be measured relative to described center
Line separated by a distance more than the measurement site of the 2nd threshold value, by it from order to approximate the multiple described coordinate of described centrage
Fall, and again approximate described centrage.
5. according to the manufacture method of the optical display means described in Claims 2 or 3, it is characterised in that
Determine in operation described, in described center relative to the feelings being more than the 3rd threshold value separated by a distance of described centrage
Under condition, the diverse location along described bearing of trend in described 1st region is shot, according to the image obtained
Multiple positions measure described width again.
The manufacture method of optical display means the most according to claim 1 and 2, it is characterised in that
At least one end of described bearing of trend of described phase separation layer and central part carry out described detection operation and described really
Determine operation, and,
In described bonding process, so that being configured at the position of the described central authorities calculated respectively in described end and described central part
The corresponding mode of the pixel column of the central authorities being positioned at the described direction intersected of described 1st region and described optics display part
Fit.
The manufacture method of optical display means the most according to claim 6, it is characterised in that
In described bonding process, according to the described centrage at described central part be positioned at the described direction intersected central authorities and
The relative position of the pixel column being positioned at described central part shows part to described optical component of fitting with described optics.
The manufacture method of optical display means the most according to claim 7, it is characterised in that
In described bonding process, with described centrage and the described central part of at least an end portion according to described bearing of trend
The described centrage at place controls the mode of described optical component and the relative bearing in the binding face of described optics display part
Fit.
9. according to the manufacture method of the optical display means described in claim 7 or 8, it is characterised in that
In described bonding process, according to the described centrage at described central part be positioned at the described direction intersected central authorities and
It is positioned at the relative position of pixel column of described central part to control the described width of described optical component and described optics display part
The relative position in degree direction.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014029547A JP2015152899A (en) | 2014-02-19 | 2014-02-19 | Method for manufacturing optical display device |
| JP2014-029547 | 2014-12-26 | ||
| PCT/JP2015/054104 WO2015125725A1 (en) | 2014-02-19 | 2015-02-16 | Method for manufacturing optical display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106030391A true CN106030391A (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580008836.9A Pending CN106030391A (en) | 2014-02-19 | 2015-02-16 | Method for manufacturing optical display device |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2015152899A (en) |
| KR (1) | KR20160122132A (en) |
| CN (1) | CN106030391A (en) |
| TW (1) | TW201534982A (en) |
| WO (1) | WO2015125725A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114822284A (en) * | 2022-03-11 | 2022-07-29 | 武汉精立电子技术有限公司 | Micro-display attaching method and device |
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| JP2010262271A (en) * | 2009-04-08 | 2010-11-18 | Shibaura Mechatronics Corp | Device for attaching substrate and method for attaching substrate |
| TW201248244A (en) * | 2011-02-16 | 2012-12-01 | Zeon Corp | Process for manufacture of liquid crystal display device |
| CN102902104A (en) * | 2012-10-15 | 2013-01-30 | 京东方科技集团股份有限公司 | Alignment method of phase difference plate and display panel |
| WO2013129256A1 (en) * | 2012-02-29 | 2013-09-06 | 住友化学株式会社 | Optical display device production system, and optical display device production method |
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| JP5462830B2 (en) | 2011-03-31 | 2014-04-02 | 富士フイルム株式会社 | 3D image display device, manufacturing method thereof, phase difference plate, 3D image display system, and adhesive composition for 3D image display device |
| JP5875362B2 (en) * | 2011-12-27 | 2016-03-02 | 富士フイルム株式会社 | Pattern retardation film, method for producing the same, method for producing optical laminate, 3D image display device, and mask |
| WO2013165013A1 (en) * | 2012-05-02 | 2013-11-07 | 住友化学株式会社 | System for producing and method for manufacturing optical display device |
-
2014
- 2014-02-19 JP JP2014029547A patent/JP2015152899A/en active Pending
-
2015
- 2015-02-16 TW TW104105198A patent/TW201534982A/en unknown
- 2015-02-16 CN CN201580008836.9A patent/CN106030391A/en active Pending
- 2015-02-16 KR KR1020167020906A patent/KR20160122132A/en unknown
- 2015-02-16 WO PCT/JP2015/054104 patent/WO2015125725A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010262271A (en) * | 2009-04-08 | 2010-11-18 | Shibaura Mechatronics Corp | Device for attaching substrate and method for attaching substrate |
| TW201248244A (en) * | 2011-02-16 | 2012-12-01 | Zeon Corp | Process for manufacture of liquid crystal display device |
| WO2013129256A1 (en) * | 2012-02-29 | 2013-09-06 | 住友化学株式会社 | Optical display device production system, and optical display device production method |
| CN102902104A (en) * | 2012-10-15 | 2013-01-30 | 京东方科技集团股份有限公司 | Alignment method of phase difference plate and display panel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114822284A (en) * | 2022-03-11 | 2022-07-29 | 武汉精立电子技术有限公司 | Micro-display attaching method and device |
| CN114822284B (en) * | 2022-03-11 | 2023-09-15 | 武汉精立电子技术有限公司 | Micro display laminating method and equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015125725A1 (en) | 2015-08-27 |
| JP2015152899A (en) | 2015-08-24 |
| TW201534982A (en) | 2015-09-16 |
| KR20160122132A (en) | 2016-10-21 |
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