CN104145299B - Optics shows that the calibrating installation and optics of part show the calibration method of part - Google Patents
Optics shows that the calibrating installation and optics of part show the calibration method of part Download PDFInfo
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- CN104145299B CN104145299B CN201380007421.0A CN201380007421A CN104145299B CN 104145299 B CN104145299 B CN 104145299B CN 201380007421 A CN201380007421 A CN 201380007421A CN 104145299 B CN104145299 B CN 104145299B
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- liquid crystal
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- crystal panel
- shows
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- 238000009434 installation Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims description 20
- 239000011159 matrix material Substances 0.000 claims abstract description 23
- 230000008569 process Effects 0.000 claims description 12
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 127
- 230000003287 optical effect Effects 0.000 description 80
- 238000011144 upstream manufacturing Methods 0.000 description 40
- 238000010030 laminating Methods 0.000 description 30
- 239000000853 adhesive Substances 0.000 description 27
- 230000001070 adhesive effect Effects 0.000 description 27
- 230000004888 barrier function Effects 0.000 description 16
- 239000010410 layer Substances 0.000 description 13
- 238000003475 lamination Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000000428 dust Substances 0.000 description 7
- 239000003463 adsorbent Substances 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000001154 acute effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 241000278713 Theora Species 0.000 description 2
- 239000007767 bonding agent Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000013316 zoning Methods 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
- G02F1/01—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
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/62—Optical apparatus specially adapted for adjusting optical elements during the assembly of optical systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical 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
- G02F1/133—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
-
- 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/58—Arrangements comprising a monitoring photodetector
Abstract
The optics shows that the calibrating installation of part possesses：The camera device (11b) imaged to the assigned position (corner) of the outer most edge of the black matrix" (BM) in the viewing area of liquid crystal panel；And the control unit (20) of the calibration of the liquid crystal panel is carried out using at least a portion (top) of the assigned position as calibration benchmark.
Description
Technical field
The calibrating installation and optics for showing part the present invention relates to optics such as liquid crystal panels show the calibration method of part.
Japan's Patent 2012-054621 CLAIM OF PRIORITYs that the application was filed an application according on March 12nd, 2012,
Here its content is quoted.
Background technology
Always, while showing zero with the supply units such as the conveyer belt conveying panel shape optics such as liquid crystal panel and organic EL panel
Part, while being shown in the optics in the production system of the optical display means for membranaceous optical component of being fitted on part, carries out optics
The calibration of part is shown to determine the bonding position of optical component.Optics shows the detection of the calibration mark of part etc., is to pass through
The defined local irradiation light of part is shown to such as optics, shoot that its reflected light picture carries out with video camera (see, for example
Patent document 1).
Prior art literature
Patent document 1:No. 4307510 publication of Japan's patent
The content of the invention
The invention problem to be solved
In above-mentioned production system, often it will show that part is packaged as a box per multiple panel shape optics, in units of box
Handled, and the calibration mark that at this moment often optics shows part and is arranged at commitment positions not in desired position.
In this case, the front side of the conveying direction of part is shown in optics may not have desired calibration mark.
That is, if such as optics shows at least a pair of of the conveying direction front side calibration mark of part,
It can be calibrated rapidly at the time of rostral reaches assigned position before optics shows the conveying direction of part, still, as above not
In the case of there is above-mentioned desired calibration mark, the configuration free degree of camera device is low, or needs to make optics show part
Unit that can additionally rotate etc., having makes the problem of equipment enlarging and complication.
The form of the present invention, it is intended that the calibrating installation and optics that show part in optics show the calibration of part
In method, suppress the maximization and complication of equipment.
The means to solve the problem
The present invention realizes related purpose to solve above-mentioned problem, using form as described below.
(1) optics of a form of the invention shows the calibrating installation of part, possesses：Camera device, it shoots optics and shown
The assigned position of the outer most edge of black matrix" in the viewing area of part；And control unit, its with the assigned position extremely
A few part carries out the calibration that the optics shows part as calibration benchmark.
(2) in the form of above-mentioned (1), it can also be configured to：The camera device is arranged at the optics and shows part
The part width orthogonal with conveying direction both sides at least side, to the outer most edge of the black matrix"
, the go forward corner of rostral of the conveying direction imaged.
(3) in above-mentioned (2) form, it can also be configured to：The control unit detects the summit in the corner, with the top
Point is calibration benchmark.
(4) in the form of above-mentioned (2) or (3), it can also be configured to：The camera device is configured to described zero
Moved on part width.
(5) in the form of any one of above-mentioned (1)~(4), it can also be configured to：The camera device has：Configuration
The side just tossed about of part is shown in the optics, to the Lighting Division of the assigned position irradiation light；And be configured at described
Optics shows the opposite side just tossed about of part, the light of the Lighting Division through the assigned position is received, to the regulation
Position carries out camera.
(6) in the form of above-mentioned (5), it can also be configured to：The camera device has shows part in the optics
The side just tossed about is configured at the light diffusing board between the assigned position and the Lighting Division.
(7) optics of a form of the invention shows the calibration method of part, comprising：The viewing area of part is shown to optics
The process that the assigned position of the outer most edge of black matrix" in domain is imaged；And with least a portion of the assigned position
As calibration benchmark, the process that the optics shows the calibration of part is carried out.
Invention effect
According to above-mentioned each form of the present invention, even institute is not present in the conveying direction front side for showing part in optics
In the case of desired calibration mark, optics can also be shown to the regulation of the outer most edge of the black matrix" of the viewing area of part
Position is used as main calibration benchmark or secondary calibration benchmark, it is not necessary to the configuration free degree of camera device can be made to decline or can make light
The unit for showing that part additionally rotates is learned, the maximization and complication of the equipment of production system can be suppressed.
Also, optics shows that the outer edge of part itself is easier to make dirty, easily produces breach, the position is regard as calibration
Benchmark in use, easily occur reads inaccurate situation, and with than the above-mentioned black on the position in the inner part of above-mentioned outer edge
The assigned position of the above-mentioned outer most edge of matrix is used as calibration benchmark so that the reading of calibration benchmark is reliable, it is possible to increase be
The stability of system operation.
Brief description of the drawings
Fig. 1 is the schematic configuration figure of the film applying system of the optical display of the embodiment of the present invention.
Fig. 2 is Fig. 1 A direction views.
Fig. 3 is the top view of the liquid crystal panel of the embodiment of the present invention.
Fig. 4 is the profile of the optical sheet of the embodiment of the present invention.
Fig. 5 is the side view on the check device periphery of the embodiment of the present invention.
Fig. 6 is the top view on above-mentioned check device periphery.
Fig. 7 is the explanation figure before the image procossing of the camera data of above-mentioned check device.
Fig. 8 is the explanation figure after the image procossing of above-mentioned camera data.
Embodiment
An embodiment of the invention is illustrated referring to the drawings.
Fig. 1 represents the schematic configuration of the film applying system 1 of this embodiment.(the life of optical display means of film applying system
Production system 1, is to show laminating polarizing coating, counnter attack on part in panel shape optics as such as liquid crystal panel or organic EL panel
Penetrate the production system of the membranaceous optical component of film, light-diffusing film etc.Film applying system 1 is shown as production comprising above-mentioned optics
The part composition of the production system of the optical display means of part and optical component.In film applying system 1, above-mentioned optics is shown
Part uses liquid crystal panel (optics display part) P.
Fig. 3 is the top view of the liquid crystal panel P from liquid crystal panel P liquid crystal layer P3 thickness direction.Liquid crystal panel P has
The standby rectangular second substrate overlooked for rectangular first substrate P1, smaller with the formation of first substrate P1 relative configurations
The P2 and liquid crystal layer P3 enclosed between first substrate P1 and second substrate P2.Formed when liquid crystal panel P is overlooked along the first base
The rectangular shape of plate P1 profile, during overlooking positioned at liquid crystal layer P3 peripheries inner side region as viewing area P4.
Fig. 4 is the profile of the optical sheet F comprising the optical component F1 fitted with liquid crystal panel P.Optical sheet F has：Film
The above-mentioned optical component F1 of shape；The adhesive linkage F2 of (being upper surface in figure) is arranged on an optical component F1 face；Across viscous
A layer F2 is met, the barrier film F3 on an optical component F1 face is separably stacked on；And it is stacked on the another of optical component F1
The surface protection film F4 of (lower surface in figure) on face.Optical component F1 works as Polarizer, is attached to the whole of liquid crystal panel P
On individual viewing area P4 and its neighboring area.Also, it is illustrated that eliminate the hatching of each layers of Fig. 4 for convenience.
In the state of optical component F1 leaves adhesive linkage F2 while barrier film F3 is separated on one side in one face, across
Adhesive linkage F2 fits in liquid crystal panel P.The part that barrier film F3 is removed from optical sheet F is referred to as adhesive piece F5 below.
Barrier film F3 is protected by the time before being separated from adhesive linkage F2 to adhesive linkage F2 and optical component F1.Table
Surface protective film F4 fits in liquid crystal panel P together with optical component F1.Surface protection film F4 be configured on optical component F1 with
Side opposite liquid crystal panel P, is protected by optical component F1, while from optical component F1 separation at the time of regulation.Also
Have, optical sheet F can be structure or surface protection film F4 not comprising surface protection film F4 not from optical component F1
The structure separated.
Optical component F1 has the polarizer F6 of sheet, engaged using bonding agent etc. with a polarizer F6 face
First film F7 and the second film F8 engaged using bonding agent etc. with polarizer F6 another side.First film F7 and the second film
F8 is to diaphragm that for example polarizer F6 is protected by.
Further, optical component F1 can be the component or multiple light for the single layer structure being made up of one layer of optical layer
Learn the component of the laminated construction of the mutual lamination of layer.Above-mentioned optical layer is in addition to polarizer F6 or phase retardation film or increasing
Bright film etc..Can also in the first film F7 and the second film F8 at least first, implement protect liquid crystal display cells outmost surface
Anti-dazzle and other effects the surface treatment that is handled comprising anti-dazzle of hard coat processing and can obtaining.Optical component F1 can also
Not comprising at least one in the first film F7 and the second film F8., can also be across viscous in the case where for example saving the first film F7
Layer F2 is met to fit in barrier film F3 on an optical component F1 face.
Illustrated referring to Fig. 1,2 pairs of film applying systems 1.Further, right side represents liquid crystal panel P conveying side in figure
To the upstream side (hereinafter referred to as panel conveying upstream side)；Left side represents liquid crystal panel P conveyance direction downstream side (hereinafter referred to as in figure
Downstream is conveyed for panel).
Liquid crystal panel P is originated position by the one side of film applying system 1 with the roller path 5 of such as drive-type from bonding process
Put and be transported to final position, sequentially implement defined handle to liquid crystal panel P on one side.Liquid crystal panel P is so that its positive and negative is in
The state of level is conveyed on roller path 5.
Roller path 5 is boundary with the first inversion set 15 described in detail below, is divided into upstream side conveyer 6 and downstream
Side conveyer 7.Liquid crystal panel P is in such as upstream side conveyer 6 so that above-mentioned viewing area P4 short side is along conveying direction
Towards conveying, the conveyer 7 in downstream, so that viewing area P4 long edge the direction conveying of conveying direction.In the liquid crystal
Panel P positive and negative, laminating cuts out the above-mentioned adhesive piece F5 of specific length from the above-mentioned optical sheet F of banding.Film applying system 1
Each portion is by the centralized Control of control unit 20 as electronic-controlled installation.
Film applying system 1 possesses：Absorption is transported to the liquid crystal panel P in the final position of upstream process, is transported to
The originating location of upstream side conveyer 6, and carry out the first adsorbent equipment 11 of liquid crystal panel P calibration；It is arranged at than originating position
Put the first dust collect plant 12 that downstream is more conveyed by panel；It is arranged at and more conveys downstream by panel than the first dust collect plant 12
The first laminating apparatus 13；It is arranged at the first skew check device for more conveying downstream by panel than the first laminating apparatus 13
14；And be arranged at than the first skew check device 14 more by panel conveying downstream, the terminal of upstream side conveyer 6 will be reached
The liquid crystal panel P of position is transported to the first inversion set 15 of the originating location of downstream conveyer 7.
Also, film applying system 1 possesses：The originating location being arranged at than downstream conveyer 7 more conveys downstream by panel
The second dust collect plant 16；It is arranged at the second laminating apparatus 17 for more conveying downstream by panel than the second dust collect plant 16；If
It is placed in the second skew check device 18 for more conveying downstream by panel than the second laminating apparatus 17；It is arranged at than the second skew inspection
Look into the second inversion set 19 that device 18 more conveys downstream by panel；And be arranged at than the second inversion set 19 more by panel
Convey the flaw detection apparatus 21 in downstream.
First adsorbent equipment 11 has：Keep liquid crystal panel P and both vertically and horizontally it is being carried out freely
Conveying, and carry out the panel maintaining part 11a of liquid crystal panel P calibration；And such as panel maintaining part 11a is arranged at, detect
Calibration camera (video camera) 11b of liquid crystal panel P calibration benchmark.
Panel maintaining part 11a is transported to the liquid crystal panel P in the final position of upstream process upper table by means of vacuum suction
Kept in face of it, and liquid crystal panel P is transported to bonding process (upstream side conveyer with still keeping horizontality
6) originating location, unclamps above-mentioned absorption in the position, liquid crystal panel P is handed on upstream side conveyer 6.
Calibration camera 11b photographs the conveying side of the liquid crystal panel P up to the final position of such as upstream process from below
Rostral (downstream) forward.Calibration camera 11b camera data is transported to above-mentioned control unit 20, and control unit 20 is taken the photograph according to this
As data act panel maintaining part 11a.By means of this, implement calibrations of the liquid crystal panel P relative to upstream side conveyer 6.This
When, implementing liquid crystal panel P, in the horizontal direction orthogonal with conveying direction, (hereinafter referred to as part is wide relative to upstream side conveyer 6
Spend direction) on positioning and the positioning on the direction of rotation (hereinafter referred to as direction of rotation) rotated around vertical axis.Calibration
Video camera 11b constitutes a part for following camera devices 10.
First dust collect plant 12 close to the first laminating apparatus 13 bonding position be arranged at its panel conveying upstream side, disappear
Except will enter bonding position before liquid crystal panel P lower face side electrostatic and carry out dust.
First laminating apparatus 13 sticks the patch for being cut to given size in the lower surface for the liquid crystal panel P for entering bonding position
Close piece F5.
First laminating apparatus 13 possesses while releasing optical sheet F while by optical sheet F from the coiled material R1 that wrapped around optical sheet F
The conveying device 22 that is conveyed along its length direction and by conveying device 22 from the laminatings of the optical sheet F specific lengths separated
Piece F5 is attached to the compression roller 23 on the liquid crystal panel P of the conveying of upstream side conveyer 6 lower surface.
Conveying device 22 is the device that adhesive piece F5 is conveyed by the use of barrier film F3 as carrier, is had：To having wound banding
The roller maintaining part 22a that optical sheet F coiled material R1 is kept and releases optical sheet F along its length direction；In order to along rule
The optical sheet F that fixed transport path guiding is released from coiled material R1, multiple guide roller 22b on F volumes of optical sheet；To transport path
On optical sheet F implement hemisection cutter device 22c；F volumes of the optical sheet of hemisection will be implemented on acute angle, while from barrier film F3
Upper separation adhesive piece F5, while providing the edge of a knife 22d to bonding position by adhesive piece F5；And to batching through edge of a knife 22d
Through be individual layer barrier film F3 the reeling end 22e that are kept of separate roller R2.
Positioned at the roller maintaining part 22a and the terminal positioned at conveying device 22 of the starting point of conveying device 22 reeling end 22e
It is driven with being such as mutually in step.By means of this, while released optical sheet F successively to its conveying direction from roller maintaining part 22a,
While batching the barrier film F3 through edge of a knife 22d by reeling end 22e.Below by the optical sheet F (barrier film F3) of conveying device 22 conveying
Direction upstream side is referred to as piece conveying upstream side；Conveyance direction downstream side is referred to as piece conveying downstream.
Each guide roller 22b can be such that the direct of travel of the optical sheet F in conveying changes along transport path, and multiple guiding
Roller 22b at least a portion can change, so as to be adjusted to the tension force of the optical sheet F in conveying.
Cutter device 22c is when optical sheet F releases defined length, in the width orthogonal with optical sheet F length direction
A part for optical sheet F thickness direction is cut (implementation hemisection) on the whole width in direction.
The tension force that cutter device 22c works in being conveyed according to optical sheet F, adjusts the advance and retreat position of incisory blade,
Avoid optical sheet F (barrier film F3) from being cut off and (leave defined thickness in barrier film F3), implement to switch to adhesive linkage F2 during above-mentioned hemisection
Near barrier film F3 interface.Further, incisory blade can also be replaced with laser aid.
On optical sheet F after hemisection, by cutting optical component F1 and surface protection film F4 in its thickness direction, formed
Across the line of cut of the whole width of optical sheet F width.A plurality of line of cut the optical sheet F of banding length direction simultaneously
Row is formed.In the case where for example conveying the liquid crystal panel P bonding process of same size, a plurality of line of cut is optical sheet F's
Formed at equal intervals on length direction.Optical sheet F is divided into multiple regions in the longitudinal direction by above-mentioned a plurality of line of cut.In optical sheet
The region clipped on F length direction by adjacent pair line of cut is respectively as a piece of in adhesive piece F5.
Edge of a knife 22d is configured at the lower section of upstream side conveyer 6, at least in its whole width on optical sheet F width
Upper extension.The edge of a knife 22d and optical sheet F after hemisection barrier film F3 side sliding contacts it is rolled up.
Edge of a knife 22d has：To face when from optical sheet F width (width of upstream side conveyer 6)
Under posture configuration the first face；Square on the first face, the width from optical sheet F is relative to the first face formation acute angle
Second face of ground configuration；And first top ends that intersects with the second face of face.
It is acute angle that optical sheet F is rolled up in edge of a knife 22d top ends.Optical sheet F turns back to form sharp in edge of a knife 22d top ends
During angle, make adhesive piece F5 piece (シ ー ト pieces) separated with barrier film F3.Edge of a knife 22d top ends are defeated close to the panel of compression roller 23
Downstream is sent to configure.The liquid crystal conveyed by means of the edge of a knife 22d adhesive piece F5 isolated from barrier film F3 with upstream side conveyer belt 6
Panel P lower surface is overlapping, and is imported between a pair of doubling rollers of compression roller 23.
Compression roller 23 possesses a pair of the doubling roller 23a axially configured in parallel to each other.Rule are formed between a pair of doubling roller 23a
It is the bonding position of the first laminating apparatus 13 in fixed gap, the gap.Led after liquid crystal panel P and adhesive piece F5 are overlapped
Enter in above-mentioned gap.These liquid crystal panels P and adhesive piece F5 is clamped by each doubling roller 23a and sent out to panel conveying downstream.
By means of this, adhesive piece F5 fits in liquid crystal panel P lower surfaces and forms one.The panel after this laminating is referred to as one side below
Fit panel P11.
First skew check device 14 is to single-sided lamination panel P11, the adhesive piece F5 fitted by the first laminating apparatus 13
The position fitted on liquid crystal panel P whether suitable (whether position is offset in the margin of tolerance) is checked.First skew inspection
Look into the ora terminalis that device 14 possesses the adhesive piece F5 that upstream side and downstream can be conveyed to such as single-sided lamination panel P11 panel
A pair of the video camera 14a shot.The camera data that each video camera 14a is obtained is sent to above-mentioned control unit 20, according to this
Camera data judges whether adhesive piece F5 and liquid crystal panel P relative position is suitable.It is judged as above-mentioned relative position improper
Single-sided lamination panel P11 be sent to by extractor (not shown) outside system.
First inversion set 15 possesses the conveying direction structure inclined rotation at 45 ° viewed from above to such as liquid crystal panel P
Axle 15a and the final position of upstream side conveyer 6 and the originating location of downstream conveyer 7 are supported on by rotary shaft 15a
Between reverse arm 15b.Reverse arm 15b keeps reaching through the first skew check device 14 by means of actions such as absorption, clampings
Single-sided lamination the panel P11, reverse arm 15b in final position of side conveyer 6 are swum by rotating 180 ° around rotary shaft 15a,
Make single-sided lamination panel P11 positive and negative reversely, while conversion direction, such as abreast convey the short side with above-mentioned viewing area P4
Single-sided lamination panel P11, the long side be converted to viewing area P4 is abreast conveyed.
The above-mentioned each optical component F1 fitted on liquid crystal panel P positive and negative two faces that is reversed in mutually hangs down polarization axis direction
Carried out in the case of straight configuration.Upstream side conveyer 6 and downstream conveyer 7 are all using the direction to the left of the right side from figure as liquid
Crystal panel P conveying direction, but during due to via the first inversion set 15, upstream side conveyer 6 and the vertical view of downstream conveyer 7
There is the skew of ormal weight.That is, due to via the first inversion set 15, between upstream side conveyer 6 and downstream conveyer 7
Configuration skew be cancelled.
Further, in the case of simply making the positive and negative reversions of liquid crystal panel P, for example possess parallel with conveying direction turn using having
The inversion set of the reverse arm of moving axis.In this case, if configured to the piece of the first laminating apparatus 13 is defeated when overlooking
Direction and the piece conveying direction of the second laminating apparatus 17 is sent to be mutually perpendicular to, can fit polarization axle in liquid crystal panel P positive and negative
The orthogonal optical component F1 in direction.
Reverse arm 15b has the calibration function as the panel maintaining part 11a of above-mentioned first adsorbent equipment 11.First is anti-
Set and the same calibration camera 11b (camera device 10) of above-mentioned first adsorbent equipment 11 in rotary device 15.
Second dust collect plant 16 is arranged at its panel conveying upstream side close to the bonding position of the second laminating apparatus 17, right
The lower face side that the single-sided lamination panel P11 of bonding position will be imported into is destaticed and dedusting.
Second 17 pairs of laminating apparatus is imported into the single-sided lamination panel P11 of bonding position lower surface, and laminating is cut to rule
The adhesive piece F5 of fixed size.Second laminating apparatus 17 possesses the conveying device 22 as above-mentioned first laminating apparatus 13 and squeezed
Pressure roller 23.
In gap between a pair of doubling roller 23a of compression roller 23 (bonding position of the second laminating apparatus 17), with mutual
Overlapping state imports single-sided lamination panel P11 and adhesive piece F5, is integrally pasted in single-sided lamination panel P11 lower surface
Close adhesive piece F5.The panel after this laminating is referred to as two sides laminating panel P12 below.
Second skew check device 18 checks the adhesive piece that two sides laminating panel P12 the second laminating apparatus of utilization 17 is fitted
Whether positions of the F5 relative to liquid crystal panel P be suitable (whether position is offset in the margin of tolerance).Second skew check device 18
Possess the ora terminalis for the adhesive piece F5 for conveying upstream side and downstream to such as two sides laminating panel P12 panel is shot one
To video camera 18a.Each video camera 18a camera data is sent to above-mentioned control unit 20, is judged to fit according to the camera data
Whether piece F5 and liquid crystal panel P relative position are suitable.It is judged as the inappropriate two sides laminating panel P12 of above-mentioned relative position
It is sent to by extractor (not shown) outside system.
Second inversion set 19 makes to make the liquid crystal panel P of its backlight on the side (fit on two sides using the first inversion set 15
Panel P12) positive and negative reversion, make its with feeding film applying system 1 when as make display surface one on the side.
21 pairs of flaw detection apparatus has made the liquid crystal panel P (two sides of display surface one on the side through the second inversion set 19
Fit panel P12), from its lower face side (backlight side) irradiation light, carried out with video camera 21a from upper surface side (display surface side)
Shoot, check that two sides laminating panel P12 has zero defect (situations such as laminating is bad) according to the camera data.
The liquid crystal panel P then carried out below to this embodiment calibration is illustrated.Further, the following description is recorded
The example calibrated in the final position of upstream process using the first adsorbent equipment 11, but can also be in upstream side conveyer
6 originating location is carried out.Also, the calibration carried out using the second inversion set 19 is similarly carried out.
Reference picture 1, the panel maintaining part 11a of the first adsorbent equipment 11, after liquid crystal panel P calibration is carried out, by this
Liquid crystal panel P is placed in the originating location of upstream side conveyer 6 so that the liquid crystal of bonding position is imported by upstream side conveyer 6
Panel P is in assigned position in above-mentioned part width and rotation direction., can be to liquid on the final position of upstream process
A pair of camera devices 10 that crystal panel P assigned position is shot are symmetrically arranged on above-mentioned part width, with
Just liquid crystal panel P calibration can be carried out.
As shown in Figure 5,6, each camera device 10 possesses respectively：Liquid crystal panel P in the final position for reaching upstream process
Conveying direction before rostral (downstream) end above keep at a distance the Lighting Division 11c of configuration；In liquid crystal panel P and illumination
The light diffusing board 11d of liquid crystal panel P sides configuration is inclined between portion 11c；And configured in liquid crystal panel P lower section, using saturating
Liquid crystal panel P Lighting Division 11c light is crossed, the outer most edge (marginal portion) of the black matrix" BM comprising viewing area P4 is shot
The above-mentioned calibration camera 11b at the position of assigned position (corner).
Lighting Division 11c is configured in the above-mentioned of the black matrix" BM of rostral before liquid crystal panel P conveying direction outer most edge
Above the corner of part width both sides.Lighting Division 11c is made up of for example high briliancy LED, makes its optical axis c2 along liquid crystal
Panel P thickness direction and towards above-mentioned two corner configuration.
Light diffusing board 11d inclined liquid crystal panel P sides configurations between Lighting Division 11c and liquid crystal panel P.Light diffusing board 11d shapes
As the tabular parallel with liquid crystal panel P, peripheral part weight when being configured as overlooking liquid crystal panel P with above-mentioned two corner
It is folded.
Calibration camera 11b is oppositely disposed in liquid crystal panel P thickness direction and Lighting Division 11c, and make its optical axis c1 with
Lighting Division 11c optical axis c2 is consistent.Calibration camera 11b is made up of the photographing element such as CCD, light accepting part is added upward
To configure, the light of the Lighting Division 11c through above-mentioned corner periphery is received.
Further, each camera device 10 can be moved on above-mentioned part width so that conveying is on part width
Above-mentioned corner periphery can also be imaged during the different liquid crystal panel P such as size.
Above-mentioned control unit 20 obtains liquid crystal panel P positional information, counter plate according to calibration camera 11b camera data
Maintaining part 11a carries out action control.Specifically, control unit 20 implements defined figure to calibration camera 11b camera data
As processing, the summit t in above-mentioned two corner is detected.
According to the summit t in two corners positional information, liquid crystal panel P above-mentioned part width and rotation direction is obtained
On positional information.
Reference picture 7,8, in above-mentioned image procossing, to the brightness settings threshold of such as calibration camera 11b camera data
Value, black matrix" BM light and shade and trim line (trim line of the part of zoning pixel) etc. are deleted as noise.By means of this,
From the image of the apperance for the grid for mirroring black matrix" BM as shown in Figure 7, obtain only mirroring black matrix" BM most as shown in Figure 8
The image of the shape of outside.
Control unit 20 from the image after above-mentioned image procossing, find in above-mentioned outmost shape along liquid crystal panel P
Conveying direction longitudinal edge e1 and the transverse edge e2 of width along part.Control unit 20 is by each edge e1, e2
Intersection point, i.e. above-mentioned corner summit t as liquid crystal panel P calibration benchmaring.Also it is possible to will as shown in Figure 7
Video make image record in control unit 20 in advance, pass through the image contrast with the record, carry out liquid crystal panel P calibration.
Reference picture 5,6, control unit 20 fits panel maintaining part 11a according to the positional information obtained from above-mentioned calibration benchmark
Work as action, with the originating location calibrating crystal panel P relative to upstream side conveyer 6.That is, panel maintaining part 11a from
The final position of upstream process to the upstream side the originating location absorption conveying liquid crystal panel P of conveyer 6 when, implement liquid crystal panel P
Originating location, the above-mentioned part width relative to upstream side conveyer 6 on and rotation direction on positioning.
Lighting Division 11c uses high briliancy LED to ensure briliancy, and the liquid crystal panel on the final position of upstream process
P top is kept than larger interval, to ensure mobile space during panel maintaining part 11a absorption conveying liquid crystal panel P.
Liquid crystal panel Ps of the light diffusing board 11d on the final position of upstream process top, with its keep it is smaller away from
From, so that, liquid crystal panel P can rise the distance of ormal weight, and close to liquid crystal panel P (2 points of Fig. 5 during above-mentioned rising
Shown in dotted line) upper surface.By means of this, the above-mentioned corner periphery of liquid crystal panel P during to above-mentioned rising, Lighting Division 11c's
Light ensures its briliancy, and effectively luminous intensity distribution.
A pair of camera devices 10 mutually space out in above-mentioned part width, and panel maintaining part 11a can be along defeated
Direction is sent to pass through therebetween.That is, appearance and size s1 than a pair of shootings of the panel maintaining part 11a in above-mentioned part width
Interval s2 between device 10 (especially proximate between liquid crystal panel P a pair of light diffusing board 11d) is also small.It can also be that panel is protected
A pair of camera devices 10 shift to an earlier date the mobile structure mutually left on above-mentioned part width when holding portion 11a movements.
Herein, in existing rectangle liquid crystal panel, when there was only setting calibration mark at three in four corners during vertical view, have
When the liquid crystal panel conveying direction before the calibration mark of rostral exist only in a corner of above-mentioned part width.
In this case, it is impossible to carry out the calibration of above-mentioned liquid crystal panel, it is therefore necessary to make calibration camera 11b to conveying direction upstream
(that is, liquid crystal panel is transported to calibration camera 11b conveyance direction downstream side) is moved in side, or is necessary liquid crystal
Panel rotates 90 ° or 180 ° around vertical axis.
And in this embodiment, liquid crystal is found in the edge of the black matrix" BM by detecting liquid crystal panel P from the edge
Panel P calibration benchmark, even the situation of desired calibration mark is not present in rostral before liquid crystal panel P conveying direction
Under, also it can find calibration benchmark in the both sides of liquid crystal panel P at least part width.Therefore, liquid crystal is not conveyed additionally
Panel P rotates it, it becomes possible to carry out liquid crystal panel P calibration.
On the inside of black matrix" BM edge, outer edge when being usually located at liquid crystal panel P vertical view, therefore it is not readily susceptible to
Pollution or the influence of foreign matter attachment, even and liquid crystal panel P is also not susceptible to breach etc. using in the case of glass substrate
Influence.It is not easy hair it is thus impossible to enough situations for reading calibration benchmark very well are inhibited, situations such as system outage
It is raw.
Further, liquid crystal panel P is calibrated after one or both adhesive piece F5 (Polarizer) that fitted of positive and negative
In the case of, sometimes due to adhesive piece F5 structure relation, using the light such as the white light of usual wavelength carry out shooting have
Difficult (detection of calibration benchmark becomes difficult).In this case, take Lighting Division 11c light is changed into it is red, blue, green
Deng the wavelength of light, the reply method for making it be not susceptible to the influence of Polarizer.
As described above, the optics of this embodiment shows that the calibrating installation of part possesses：Shoot liquid crystal panel P viewing area
The camera device 10 of the assigned position (corner) of domain P4 black matrix" BM outer most edge；And with above-mentioned assigned position at least
A part carries out the control unit 20 of above-mentioned liquid crystal panel P calibration as calibration benchmark.
If using this structure, even desired calibration is not present in liquid crystal panel P conveying direction front side
In the case of mark, also can using the assigned position of liquid crystal panel P viewing area P4 black matrix" BM outer most edge as
Main or secondary calibration benchmark is used, it is not necessary to which the setting free degree that taking makes camera device 10 reduces or to make liquid crystal panel P extra
The unit of rotation, can suppress the maximization and complication of the equipment of film applying system 1.
Also, the outer edges of liquid crystal panel P in itself are easier occur pollution and breach etc., calibration benchmark is used as using the position
In use, easily occur situation about can not read very well, by by the regulation of the above-mentioned outer most edge on the inside of above-mentioned outer edge
Position is used as calibration benchmark, and calibration benchmark can reliably be read, it is possible to increase the stability of system operation.
Herein, the optics of this embodiment shows that the calibration method of part is included：Shoot liquid crystal panel P viewing area
The process of the assigned position (corner) of P black matrix" BM outer most edge；And made with least a portion of above-mentioned assigned position
For calibration benchmark, the process for carrying out above-mentioned liquid crystal panel P calibration can obtain showing the calibrating installation of part with above-mentioned optics
Identical action effect.
Also, above-mentioned optics show the above-mentioned camera device 10 of the calibrating installation of part be arranged at above-mentioned liquid crystal panel P with
The both sides of the orthogonal part width of conveying direction, take the photograph to the corner of the conveying direction front side of above-mentioned outer most edge
Picture, because above-mentioned control unit 20 is using the summit t in above-mentioned corner as calibration benchmark, the rostral before liquid crystal panel P conveying direction
The part width orthogonal with conveying direction both sides, calibration benchmark is easily found, before liquid crystal panel P conveying direction
Rostral can be calibrated rapidly at the time of reaching assigned position.
Also, at this moment above-mentioned camera device 10 is movably disposed in above-mentioned part width, therefore also can be easily
Tackle the different liquid crystal panel P of part width calibration.
Also, above-mentioned optics shows that the above-mentioned camera device 10 of the calibrating installation of part has：It is configured at above-mentioned liquid crystal panel P
The side just tossed about, to above-mentioned assigned position irradiation light Lighting Division 11c and be configured at above-mentioned liquid crystal panel P just
The opposite side tossed about, receives the light of the above-mentioned Lighting Division 11c through above-mentioned assigned position, above-mentioned assigned position is imaged
Calibration camera 11b, therefore, it is possible to using the light of the Lighting Division 11c through above-mentioned assigned position, with 11b pairs of calibration camera
Above-mentioned assigned position is brightly shot, and calibration benchmark can be found well.
Also, at this moment above-mentioned camera device 10 have be configured at above-mentioned regulation in the above-mentioned liquid crystal panel P side just tossed about
Light diffusing board 11d between position and above-mentioned Lighting Division 11c, the Lighting Division irradiated to above-mentioned assigned position is able to ensure that with this
The briliancy of 11c light, it is possible to increase the Lighting Division 11c configuration free degree.
Further, the invention is not restricted to above-mentioned embodiment, for example, the photograph set in calibration camera 11b sides can also be utilized
Bright portion 11c light or natural light (this local light) is imaged in liquid crystal panel P reflected light to liquid crystal panel P.Can
So that calibration camera 11b and Lighting Division 11c each optical axis c1, c2 thickness direction of at least one relative to liquid crystal panel P
Tilt, or calibration camera 11b and Lighting Division 11c each optical axis c1, c2 is mutually in staggered configuration.Can also be to liquid crystal panel P
Positive and negative at least first, from top fit optical component.The top in the corner of black matrix" BM outer most edge is not limited to,
Calibration benchmark can be used as using the gap of outer most edge or step difference etc..Black matrix" BM edge and other calibrations can also be remembered
Number it is combined the calibration for carrying out liquid crystal panel P.
Also, the present invention, which can also be used in optics, shows that the optics of positive and negative only one side's laminating optical component of part shows
Show equipment, configuration backlight or reflecting plate as a variety of optical display means such as the display device of illuminator.Optical display means
During formation, it would however also be possible to employ diffusing panel, anti-dazzle photosphere, antireflection film, protection board, prism array and lens array sheet etc. is suitable
Part upper one layer or more than two layers of configuration in place structure.
Also, optics shows that each optical element fitted on two faces of positive and negative of part can have identical in the present invention
Structure, it is possible to have different structures.The bonding process of each optical element can be carried out simultaneously, substantially can also be entered simultaneously
OK, in the case of and carrying out when different, any advanced row of one side in positive and negative.It can also use to each liquid crystal surface
Plate cuts completely through optical element for a piece of plate sheet, conveys the structure that the thin slice is fitted in liquid crystal panel.
Moreover, the composition of above-mentioned embodiment is one of present invention example, can in the range of the main idea of the invention is not departed from
To there is various changes.
Symbol description
1 film applying system (production systems of optical display means)
10 camera devices
11b calibration cameras (video camera)
11c Lighting Divisions
11d light diffusing boards
20 control units
P liquid crystal panels (optics display part)
P4 viewing areas
BM black matrix"s
T summits.
Claims (6)
1. a kind of optics shows the calibrating installation of part, it is characterised in that possess：
Camera device, it shoots the assigned position of the outer most edge of the black matrix" in the viewing area of optics display part；
Inversion set, it has the maintaining part for keeping the optics to show part, and the inversion set makes the optics show zero
Part is positive and negative reversely；And
Control unit, it carries out the school that the optics shows part using at least a portion of the assigned position as calibration benchmark
Standard,
The control unit is in the inversion set while keeping the optics to show part while its is anti-by the maintaining part
During turning, control the maintaining part of the inversion set and carry out the calibration,
The camera device is arranged at the both sides that the optics shows the part width orthogonal with conveying direction of part
In at least side, the corner for rostral of being gone forward to the outer most edge, the described conveying direction of the black matrix" is imaged.
2. optics according to claim 1 shows the calibrating installation of part, it is characterised in that the control unit detects institute
The summit in corner is stated, using the summit as calibration benchmark.
3. optics according to claim 1 shows the calibrating installation of part, it is characterised in that the camera device is set
For that can be moved on the part width.
4. optics according to claim 1 shows the calibrating installation of part, it is characterised in that the camera device has：
The side just tossed about that the optics shows part is configured at, to the Lighting Division of the assigned position irradiation light；And
The opposite side just tossed about that the optics shows part is configured at, reception is through the Lighting Division of the assigned position
Light, camera is carried out to the assigned position.
5. optics according to claim 4 shows the calibrating installation of part, it is characterised in that
The camera device have the optics show part the side just tossed about be configured at the assigned position with it is described
Light diffusing board between Lighting Division.
6. a kind of optics shows the calibration method of part, it is characterised in that include：
The process that the assigned position of the outer most edge of the black matrix" in the viewing area of part is imaged is shown to optics；
Keep the optics to show part, and the optics is shown the positive and negative reverse process of part；And
Using at least a portion of the assigned position as calibration benchmark, the process that the optics shows the calibration of part is carried out,
During keeping the optics to show part while being inverted, the calibration is carried out,
In the process of the shooting, the both sides of the part width orthogonal with conveying direction of part are shown in the optics
In at least side, the corner for rostral of being gone forward to the outer most edge, the described conveying direction of the black matrix" is imaged.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-054621 | 2012-03-12 | ||
| JP2012054621 | 2012-03-12 | ||
| PCT/JP2013/056798 WO2013137248A1 (en) | 2012-03-12 | 2013-03-12 | Device for aligning optical display component and method for aligning optical display component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104145299A CN104145299A (en) | 2014-11-12 |
| CN104145299B true CN104145299B (en) | 2017-09-22 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380007421.0A Expired - Fee Related CN104145299B (en) | 2012-03-12 | 2013-03-12 | Optics shows that the calibrating installation and optics of part show the calibration method of part |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP6490963B2 (en) |
| KR (1) | KR101979054B1 (en) |
| CN (1) | CN104145299B (en) |
| TW (1) | TWI576231B (en) |
| WO (1) | WO2013137248A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018003578A1 (en) * | 2016-06-30 | 2018-01-04 | 日本電産サンキョー株式会社 | Alignment device |
| JP6786381B2 (en) * | 2016-06-30 | 2020-11-18 | 日本電産サンキョー株式会社 | Alignment device |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3731666B2 (en) * | 2003-05-16 | 2006-01-05 | セイコーエプソン株式会社 | Image processing system, projector, program, information storage medium, and image processing method |
| JP2006067272A (en) * | 2004-08-27 | 2006-03-09 | Matsushita Electric Ind Co Ltd | Apparatus and method for camera calibration |
| JP2006091231A (en) * | 2004-09-22 | 2006-04-06 | Seiko Epson Corp | Method of manufacturing electro-optical device |
| JP4304165B2 (en) * | 2005-04-08 | 2009-07-29 | 株式会社 インテグレイテッド ソリューションズ | Exposure method and exposure apparatus |
| JP4742718B2 (en) * | 2005-07-20 | 2011-08-10 | 富士電機株式会社 | Panel inspection device |
| JP2007315882A (en) * | 2006-05-25 | 2007-12-06 | Dainippon Printing Co Ltd | Apparatus and method for positioning substrate, and device and method for manufacturing color filter |
| JP4923783B2 (en) * | 2006-06-29 | 2012-04-25 | 凸版印刷株式会社 | Color filter drawing method |
| JP2009103833A (en) * | 2007-10-22 | 2009-05-14 | Sharp Corp | Display device |
| JP4307510B1 (en) | 2007-12-27 | 2009-08-05 | 日東電工株式会社 | Optical display device manufacturing system and method |
| JP2010015103A (en) * | 2008-07-07 | 2010-01-21 | Hitachi High-Technologies Corp | Filter inspection device, filter manufacturing device, and display panel manufacturing method |
| JP4676026B1 (en) * | 2010-09-17 | 2011-04-27 | 日東電工株式会社 | Liquid crystal display device manufacturing system and manufacturing method |
-
2013
- 2013-03-12 TW TW102108599A patent/TWI576231B/en not_active IP Right Cessation
- 2013-03-12 CN CN201380007421.0A patent/CN104145299B/en not_active Expired - Fee Related
- 2013-03-12 KR KR1020147020412A patent/KR101979054B1/en active IP Right Grant
- 2013-03-12 JP JP2014504927A patent/JP6490963B2/en not_active Expired - Fee Related
- 2013-03-12 WO PCT/JP2013/056798 patent/WO2013137248A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN104145299A (en) | 2014-11-12 |
| KR20140133813A (en) | 2014-11-20 |
| TW201336671A (en) | 2013-09-16 |
| TWI576231B (en) | 2017-04-01 |
| JPWO2013137248A1 (en) | 2015-08-03 |
| KR101979054B1 (en) | 2019-05-15 |
| JP6490963B2 (en) | 2019-03-27 |
| WO2013137248A1 (en) | 2013-09-19 |
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