WO2018003577A1 - アライメント装置 - Google Patents

アライメント装置 Download PDF

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Publication number
WO2018003577A1
WO2018003577A1 PCT/JP2017/022546 JP2017022546W WO2018003577A1 WO 2018003577 A1 WO2018003577 A1 WO 2018003577A1 JP 2017022546 W JP2017022546 W JP 2017022546W WO 2018003577 A1 WO2018003577 A1 WO 2018003577A1
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WO
WIPO (PCT)
Prior art keywords
panel
stage
liquid crystal
camera
display panel
Prior art date
Application number
PCT/JP2017/022546
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
正 荒井
佐藤　史朗
昌輝 久保田
Original Assignee
日本電産サンキョー株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日本電産サンキョー株式会社 filed Critical 日本電産サンキョー株式会社
Priority to CN201790000783.0U priority Critical patent/CN209015609U/zh
Priority to TW106122096A priority patent/TW201806068A/zh
Publication of WO2018003577A1 publication Critical patent/WO2018003577A1/ja

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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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements

Definitions

  • the present invention relates to an alignment apparatus for aligning a display panel such as a liquid crystal panel.
  • a panel processing system for inspecting and correcting a liquid crystal panel is known (for example, see Patent Document 1).
  • the panel processing system described in Patent Document 1 includes a plurality of conveyor units, an inspection device for inspecting a liquid crystal panel, a repeater device for correcting the liquid crystal panel, and a liquid crystal panel determined to be defective by the inspection device from the conveyor unit.
  • a panel sending device for sending out toward the device.
  • the panel sending device includes a lifter that lifts the liquid crystal panel from the conveyor unit, an alignment mechanism that aligns the liquid crystal panel lifted by the lifter, and a slide mechanism that conveys the liquid crystal panel that is aligned by the alignment mechanism toward the repairer device. It consists of and.
  • an object of the present invention is to reduce the time until the display panel is carried into the next process after the alignment of the display panel is completed in the alignment apparatus for aligning the display panel. Is to provide a simple alignment apparatus.
  • an alignment apparatus for aligning a display panel, wherein a predetermined direction orthogonal to the vertical direction is a first direction, and the first direction and the vertical direction are When the orthogonal direction is the second direction, the panel stage on which the display panel is placed, the panel stage is rotated with the vertical direction as the axis direction of rotation, and the panel stage is moved in the first direction and the second direction.
  • a moving mechanism that aligns the display panel and a camera that is arranged above the panel stage and detects the edge of the display panel, and the movable amount of the panel stage that is moved by the moving mechanism in the first direction is
  • the panel stage moved by the moving mechanism is larger than the movable amount in the second direction, and the panel stage moves in the first direction.
  • the display panel is movable between the edge detection position where the display panel is placed on the lower side of the camera and the panel unloading position where the display panel is unloaded from the panel stage.
  • the panel stage is moved from the edge detection position to the panel carry-out position while aligning the display panel based on the above.
  • the moving mechanism is a panel in which the display panel is unloaded from the edge detection position where the display panel is arranged on the lower side of the camera while aligning the display panel based on the detection result of the camera.
  • the panel stage is moved to the unloading position. Therefore, according to the present invention, when the alignment of the display panel is completed, the panel stage on which the display panel is placed can be moved to the panel unloading position. It becomes possible to carry out the display panel from the panel stage in time. Therefore, in the present invention, it is possible to shorten the time until the display panel is carried into the next process after the alignment of the display panel is completed, and the cycle time in the alignment apparatus can be shortened. become.
  • the display panel is preferably supplied to a panel stage disposed at the edge detection position. If comprised in this way, after a display panel is mounted in a panel stage, it will become possible to detect the edge of a display panel with a camera for a short time. Therefore, after the display panel is placed on the panel stage, the time until the edge of the display panel is detected by the camera can be shortened, and the time cycle in the alignment apparatus can be further shortened. Become.
  • the alignment apparatus includes an illumination that is disposed above the panel stage and disposed below the camera.
  • the illumination is disposed at a position that is out of the field of view of the camera, and the panel stage is configured to receive indirect light or directly. It is preferable to irradiate light.
  • the display on the panel stage can be performed using a common illumination.
  • the entire panel can be irradiated with light.
  • the illumination is arranged at a position out of the camera's field of view, the display is displayed on the panel stage even when the display panel is supplied to the panel stage arranged at the edge detection position. This makes it possible to prevent interference between the robot that supplies the panel and the illumination.
  • the illumination is preferably bar illumination comprising a plurality of light emitting diodes arranged in a straight line. If comprised in this way, it will become easy to irradiate uniform indirect light or direct light to the whole display panel on a panel stage.
  • the outer shape of the panel stage when viewed from above and below is larger than the outer shape of the display panel. It is preferable that a member is attached and the phase of the polarizing filter and the phase of the polarizing member are shifted by 90 °.
  • the outer shape of the panel stage when viewed from above and below is larger than the outer shape of the display panel, and the upper surface of the panel stage may be white. If comprised in this way, it will become possible to raise the contrast of the edge of the display panel reflected in a camera, and the upper surface of a panel stage. Therefore, the edge of the display panel can be accurately detected by the camera, and as a result, the display panel can be accurately aligned.
  • the alignment apparatus for aligning the display panel in the alignment apparatus for aligning the display panel, it is possible to shorten the time until the display panel is carried into the next process after the alignment of the display panel is completed. It becomes possible.
  • FIG. 1 It is a side view of the conveyance system in which the alignment apparatus concerning embodiment of this invention is integrated. It is a top view which shows a conveyance system from the EE direction of FIG. It is a perspective view of the supply unit shown in FIG. It is a top view of the supply unit shown in FIG. It is a perspective view of the alignment apparatus shown in FIG.
  • FIG. 1 is a side view of a transport system 1 in which an alignment apparatus 10 according to an embodiment of the present invention is incorporated.
  • FIG. 2 is a plan view showing the transport system 1 from the EE direction of FIG.
  • the alignment apparatus 10 of this embodiment is an apparatus for aligning the liquid crystal panel 2 that is a display panel.
  • the alignment apparatus 10 is used by being incorporated in the transport system 1.
  • the transport system 1 is incorporated in a production line for small liquid crystal displays used in portable devices and the like.
  • the transport system 1 transports the liquid crystal panel 2 and supplies the liquid crystal panel 2 to a processing device 14 (see FIG. 2) that performs predetermined processing on the liquid crystal panel 2.
  • the transport system 1 transports a small liquid crystal panel 2 (for example, a liquid crystal panel 2 of 4 inches to 10 inches).
  • the liquid crystal panel 2 transported by the transport system 1 may be a medium-sized liquid crystal panel (for example, a 15-inch liquid crystal panel).
  • the liquid crystal panel 2 is formed in a rectangular flat plate shape. Data such as inspection data of the liquid crystal panel 2 is recorded at a location outside the display area of the liquid crystal panel 2. Specifically, data such as inspection data is recorded as a two-dimensional code or a one-dimensional code at a location outside the display area of the liquid crystal panel 2. That is, optically readable data is recorded at a location outside the display area of the liquid crystal panel 2.
  • the polarizing plate polarizing film
  • the liquid crystal panel 2 may be mounted with an FPC or a chip, or may not be mounted with an FPC or a chip.
  • the transport system 1 includes two conveyors 4 and 5 that transport a tray 3 that can accommodate the liquid crystal panel 2.
  • the conveyors 4 and 5 convey the trays 3 stacked in a plurality of stages (that is, the stacked trays 3) linearly in the horizontal direction.
  • the conveyors 4 and 5 linearly convey the trays 3 stacked in 20 stages in the horizontal direction.
  • the conveyance direction of the tray 3 by the conveyors 4 and 5 (X direction in FIG. 1 and the like) is referred to as “front-rear direction”, and the direction perpendicular to the vertical direction and the front-rear direction (Y in FIG. 1 and the like).
  • Direction is the “left-right direction”.
  • one side in the front-rear direction (X1 direction side in FIG. 1 etc.) is the “front” side
  • the opposite side (X2 direction side in FIG. 1 etc.) is the “rear (rear) side”.
  • (Y1 direction side in FIG. 2 etc.) is the “right” side
  • the opposite side (Y2 direction side in FIG. 2 etc.) is the “left” side.
  • the processing device 14 is disposed on the rear side of the transport system 1.
  • the transport system 1 includes two tray stages 6 and 7 on which the tray 3 is placed, a robot 8 that transports the tray 3 between the conveyors 4 and 5 and the tray stages 6 and 7, and the tray stage 6.
  • 7 is provided with a robot 9 that carries the liquid crystal panel 2 out of the tray 3 and a supply unit 11 that receives the liquid crystal panel 2 from the robot 9 and supplies the liquid crystal panel 2 to the processing device 14.
  • the alignment apparatus 10 is incorporated in the supply unit 11.
  • the tray stages 6 and 7 are arranged behind the conveyors 4 and 5.
  • the supply unit 11 is disposed behind the tray stages 6 and 7.
  • the transport system 1 includes a main body frame 12 on which the conveyors 4 and 5, the tray stages 6 and 7, the robot 8 and the supply unit 11 are installed, and a main body frame 13 on which the robot 9 is installed.
  • the upper surface of the main body frame 12 is formed in a planar shape perpendicular to the vertical direction, and the conveyors 4 and 5, the tray stages 6 and 7, the robot 8, and the supply unit 11 are installed on the upper surface of the main body frame 12.
  • the main body frame 13 is a portal frame formed in a substantially gate shape, and is installed so as to straddle the rear end portion of the main body frame 12 in the left-right direction.
  • the robot 9 is installed on the upper surface of the main body frame 13.
  • the conveyors 4 and 5 are roller conveyors including a plurality of rollers.
  • the conveyor 4 and the conveyor 5 are adjacently arranged in the left-right direction.
  • the conveyor 4 conveys the stacked trays 3 toward the rear side
  • the conveyor 5 conveys the stacked trays 3 toward the front side.
  • a plurality of liquid crystal panels 2 are accommodated in the tray 3 conveyed by the conveyor 4.
  • the liquid crystal panel 2 is not accommodated in the tray 3 conveyed by the conveyor 5, and the tray 3 conveyed by the conveyor 5 is an empty tray.
  • the conveyors 4 and 5 may be belt conveyors or the like.
  • a tray 3 in a stacked state that is carried by an operator from a temporary shelf (not shown) is placed on the front end side of the conveyor 4, a tray 3 in a stacked state that is carried by an operator from a temporary shelf (not shown) is placed.
  • the stacked tray 3 placed on the front end side of the conveyor 4 is transported to the rear side, and the stacked tray 3 transported to the rear end side of the conveyor 4 is stacked by the robot 8 as described later. It is separated. Also, empty trays 3 are stacked on the rear end side of the conveyor 5 by the robot 8 as will be described later.
  • the robot 8 empty trays 3 are stacked on the rear end side of the conveyor 5 by the robot 8 as will be described later.
  • a single tray 3 is placed on the tray stages 6 and 7.
  • the tray stages 6 and 7 are fixed to the main body frame 12.
  • the tray stage 6 and the tray stage 7 are arranged in a state with a predetermined interval in the left-right direction.
  • the tray stage 6 is disposed at substantially the same position as the conveyor 4 in the left-right direction
  • the tray stage 7 is disposed at substantially the same position as the conveyor 5 in the left-right direction.
  • the upper surfaces of the tray stages 6 and 7 are formed in a planar shape perpendicular to the vertical direction.
  • the robot 8 is a so-called three-axis orthogonal robot.
  • the robot 8 includes a main body frame 15 formed in a gate shape, a movable frame 16 held by the main body frame 15 so as to be slidable in the left-right direction with respect to the main body frame 15, and the movable frame 16
  • the movable frame 17 is held by the movable frame 16 so as to be slidable in the front-rear direction
  • the movable frame 18 is held by the movable frame 17 so as to be slidable in the vertical direction with respect to the movable frame 17.
  • a tray grip 19 attached to the movable frame 18.
  • the robot 8 includes a drive mechanism that slides the movable frame 16 in the left-right direction, a drive mechanism that slides the movable frame 17 in the front-rear direction, and a drive mechanism that slides the movable frame 18 in the up-down direction.
  • the height of the main body frame 15 is higher than the height of the conveyors 4 and 5, and the main body frame 15 is installed so as to straddle the conveyors 4 and 5 in the left-right direction.
  • the movable frame 16 is attached to the upper surface side of the main body frame 15.
  • the movable frame 16 is disposed on the upper side of the stacked trays 3 placed on the conveyors 4 and 5.
  • the movable frame 17 is attached to the right side of the movable frame 16.
  • the movable frame 18 is attached to the rear end side of the movable frame 17.
  • the tray grip 19 is attached to the lower end of the movable frame 18.
  • the tray gripping portion 19 includes a plurality of suction portions that suck and grip the tray 3. When the robot 8 transports the tray 3, the suction unit contacts the upper surface of the tray 3 and vacuum-sucks the tray 3.
  • the robot 8 carries the tray 3 from the conveyor 4 to the tray stages 6 and 7 and carries the tray 3 from the tray stages 6 and 7 to the conveyor 5. Specifically, the robot 8 transports the stacked trays 3 conveyed to the rear end side of the conveyor 4 one by one to the tray stage 6 or the tray stage 7, and stacks the trays on the conveyor 4. Step 3 Further, the robot 8 conveys one empty tray 3 from the tray stage 6 or the tray stage 7 to the rear end side of the conveyor 5 and stacks the trays 3 on the conveyor 5.
  • the robot 9 is a so-called parallel link robot.
  • the robot 9 includes a main body 20, three levers 21 connected to the main body 20, three arm parts 22 connected to each of the three levers 21, and three arm parts 22.
  • a head unit 23 to be connected and a panel gripping part 24 attached to the head unit 23 are provided.
  • the robot 9 is installed so as to hang from the upper surface of the main body frame 13.
  • the main body 20 is disposed above the tray stages 6 and 7 and is disposed behind the main body frame 15 of the robot 8.
  • the three levers 21 are connected to the main body 20 so as to extend radially at substantially equal angular pitches toward the outer periphery of the main body 20. That is, the three levers 21 are connected to the main body 20 so as to extend radially at a pitch of about 120 ° toward the outer peripheral side of the main body 20. Further, the base end sides of the three levers 21 are connected to the main body 20 so as to be rotatable.
  • a motor 25 with a speed reducer that rotates the lever 21 is disposed at a connecting portion between the main body 20 and the lever 21.
  • the robot 9 of this embodiment includes three motors 25 that rotate each of the three levers 21. The output shaft of the motor 25 is fixed to the base end side of the lever 21.
  • the proximal end side of the arm portion 22 is connected to the distal end side of the lever 21 so as to be rotatable.
  • the arm portion 22 is configured by two linear arms that are parallel to each other, and the base end sides of the two arms are rotatably connected to the distal end side of the lever 21.
  • the head unit 23 is rotatably connected to the distal end sides of the three arm portions 22.
  • the panel grip 24 is attached to the lower end of the head unit 23.
  • the panel gripping portion 24 includes a plurality of suction portions that vacuum-suck the liquid crystal panel 2.
  • the liquid crystal panel 2 is gripped by sucking the upper surface of the liquid crystal panel 2 by the suction portion.
  • a motor is attached to the upper end of the head unit 23.
  • the panel grip portion 24 is connected to this motor, and can be rotated with the power of this motor as the axial direction of rotation.
  • the three motors 25 are individually driven, so that the head unit 23 is maintained in a predetermined posture in a predetermined area at any position in the vertical direction, the horizontal direction, and the front-rear direction. In this state (specifically, with the panel gripping portion 24 facing downward), the head unit 23 can be moved.
  • the robot 9 carries out the liquid crystal panels 2 one by one from the tray 3 placed on the tray stages 6 and 7. Specifically, the robot 9 carries out the liquid crystal panels 2 one by one from the tray 3 until the tray 3 placed on the tray stages 6 and 7 becomes empty. Further, the robot 9 conveys the liquid crystal panel 2 carried out from the tray 3 to a panel stage 39 described later.
  • FIG. 3 is a perspective view of the supply unit 11 shown in FIG.
  • FIG. 4 is a plan view of the supply unit 11 shown in FIG.
  • FIG. 5 is a perspective view of the alignment apparatus 10 shown in FIG.
  • the supply unit 11 includes a data reading device 31 that reads data recorded on the liquid crystal panel 2 in addition to the alignment device 10.
  • the alignment device 10 aligns the liquid crystal panel 2 before the data reading device 31 reads the data on the liquid crystal panel 2.
  • the supply unit 11 also includes a robot 33 that transports the liquid crystal panel 2 after the data is read by the data reader 31 to the processing device 14, and an ionizer ( Static electricity removing device) 34, transport device 35 that transports liquid crystal panel 2 that has been aligned by alignment device 10 toward robot 33, and liquid crystal panel 2 that has been aligned by alignment device 10 is transported to transport device 35. And a base plate 37 on which these components are mounted and fixed.
  • the alignment device 10 is placed on the right front end side of the base plate 37.
  • the robot 33 is placed on the left rear end side of the base plate 37.
  • the data reading device 31 is placed on the left front end side of the base plate 37.
  • the robot 36 is disposed adjacent to the rear side of the alignment apparatus 10.
  • the conveyance device 35 is disposed between the data reading device 31 and the robot 33 and the alignment device 10 in the left-right direction.
  • the ionizer 34 is disposed above the transport device 35.
  • the base plate 37 is placed and fixed on the rear end portion of the upper surface of the main body frame 12.
  • the alignment apparatus 10 rotates the panel stage 39 on which the liquid crystal panel 2 carried out from the tray 3 on the tray stages 6 and 7 by the robot 9 is placed, and the vertical direction is the axis direction of rotation.
  • a moving mechanism 40 that moves the panel stage 39 in the left-right direction and the front-rear direction to align the liquid crystal panel 2 is provided.
  • the alignment apparatus 10 includes a camera 41 and an illumination 42 that are disposed above the panel stage 39.
  • the panel stage 39 is formed in a rectangular flat plate shape.
  • the upper surface of the panel stage 39 is a plane orthogonal to the vertical direction.
  • the outer shape of the panel stage 39 when viewed from above and below is larger than the outer shape of the liquid crystal panel 2.
  • the liquid crystal panel 2 is such that the center of the liquid crystal panel 2 and the center of the panel stage 39 are substantially coincident when viewed from above and below, and the direction of the long side of the liquid crystal panel 2 and the direction of the long side of the panel stage 39 Is placed on the panel stage 39 so as to substantially match.
  • the panel stage 39 includes a plurality of suction units that vacuum-suck the liquid crystal panel 2 placed on the upper surface of the panel stage 39.
  • the plurality of suction portions are arranged at the center portion of the panel stage 39.
  • a polarizing member (polarizing plate or polarizing film) 43 formed in a flat plate shape or a film shape is attached to the upper surface of the panel stage 39. Specifically, the polarizing member 43 is affixed on the upper surface of the panel stage 39 at a position where the suction portion is not disposed.
  • the moving mechanism 40 has a movable frame 46 that holds the panel stage 39 so as to be rotatable, a movable frame 47 that holds the movable frame 46 so as to be slidable in the front-rear direction, and can be slid in the left-right direction.
  • a fixed frame 48 that holds the movable frame 46, a rotation mechanism that rotates the panel stage 39 relative to the movable frame 46, and a drive mechanism that slides the movable frame 46 back and forth with respect to the movable frame 47.
  • a drive mechanism that slides the movable frame 47 in the left-right direction with respect to the fixed frame 48.
  • the fixed frame 48 is fixed to the base plate 37.
  • a drive mechanism that slides the movable frame 46 in the front-rear direction is provided for aligning the liquid crystal panel 2 placed on the panel stage 39.
  • the drive mechanism that slides the movable frame 47 in the left-right direction aligns the liquid crystal panel 2 placed on the panel stage 39, and the liquid crystal panel between an edge detection position 39A and a panel carry-out position 39B described later. 2 is provided for transporting.
  • the movable amount (maximum moving amount) of the panel stage 39 moved by the moving mechanism 40 in the left-right direction is larger than the movable amount (maximum moving amount) of the panel stage 39 moved by the moving mechanism 40 in the front-rear direction. It is getting bigger.
  • the movable amount of the panel stage 39 in the left-right direction is about 250 mm
  • the movable amount of the panel stage 39 in the front-rear direction is about 10 mm.
  • the left-right direction (Y direction) of this embodiment is a first direction that is a predetermined direction (one horizontal direction) orthogonal to the vertical direction
  • the front-rear direction (X direction) is the up-down direction (vertical direction).
  • a second direction orthogonal to the first direction is a predetermined direction (one horizontal direction) orthogonal to the vertical direction
  • X direction is the up-down direction (vertical direction).
  • a second direction orthogonal to the first direction is orthogonal to the first direction.
  • a rotation mechanism for rotating the panel stage 39 is provided for aligning the liquid crystal panel 2 placed on the panel stage 39, and the panel stage 39 rotated by the moving mechanism 40 is rotated.
  • the possible amount (maximum rotation amount) is, for example, about ⁇ 10 °.
  • the illumination 42 is a bar illumination including a plurality of light emitting diodes (LEDs) arranged linearly in the left-right direction.
  • the illumination 42 is disposed below the camera 41 and at a position outside the field of view of the camera 41.
  • the illumination 42 is arranged on the lower back side of the camera 41.
  • the illumination 42 irradiates the panel stage 39 with indirect light.
  • the camera 41 is disposed above the panel stage 39 so that the center of the panel stage 39 in the front-rear direction matches the optical axis of the camera 41 in the front-rear direction.
  • the camera 41 detects the edge of the liquid crystal panel 2 placed on the panel stage 39 from above. Specifically, the camera 41 detects the positions of four corners of the liquid crystal panel 2 formed in a rectangular shape.
  • the camera 41 includes a polarization filter 50.
  • the polarizing filter 50 is attached to the tip of the lens of the camera 41 so that the polarizing filter 50 can be rotated with the vertical direction as the axial direction of the rotation.
  • the phase of the polarizing filter 50 of the camera 41 and the phase of the polarizing member 43 of the panel stage 39 are shifted by 90 °. That is, the polarization direction of the polarizing filter 50 and the polarization direction of the polarizing member 43 are shifted by 90 °. For this reason, the panel stage 39 captured by the camera 41 becomes black.
  • the panel stage 39 has an edge detection position 39A in which the liquid crystal panel 2 is disposed below the camera 41 (specifically, the liquid crystal panel 2 is disposed directly below the camera 41) in the left-right direction (FIGS. 3 to 5). 5) and a panel carry-out position 39B (position shown by a two-dot chain line in FIGS. 4 and 5) from which the liquid crystal panel 2 is carried out from the panel stage 39 by the robot 36.
  • the panel stage 39 moves to the right end side of the fixed frame 48
  • the panel stage 39 reaches the edge detection position 39A
  • the panel stage 39B is reached.
  • the liquid crystal panel 2 carried out by the robot 9 from the tray 3 on the tray stages 6 and 7 is supplied to the panel stage 39 disposed at the edge detection position 39A.
  • the moving mechanism 40 moves the panel stage 39 from the edge detection position 39A to the panel carry-out position 39B while aligning the liquid crystal panel 2 based on the detection result of the edge of the liquid crystal panel 2 by the camera 41.
  • the moving mechanism 40 is based on the detection result of the edge of the liquid crystal panel 2 by the camera 41, and at least one of the rotation operation of the panel stage 39 and the sliding operation of the movable frame 46 in the front-rear direction. While performing the above, the movable frame 47 is slid leftward to move the panel stage 39 to the panel unloading position 39B.
  • the moving mechanism 40 may start the movement of the panel stage 39 to the panel carry-out position 39B after the detection result of the camera 41 is output, or may wait for the detection result of the camera 41 to move to the panel carry-out position 39B.
  • the movement of the panel stage 39 may be started.
  • the moving mechanism 40 may start the alignment of the liquid crystal panel 2 in the middle of moving the panel stage 39 to the panel carry-out position 39B, or after moving the panel stage 39 to the panel carry-out position 39B.
  • the alignment may be started.
  • the liquid crystal panel 2 is aligned in the left-right direction, the amount of movement of the panel stage 39 from the edge detection position 39A to the left is not necessarily constant. That is, according to the placement position of the liquid crystal panel 2 with respect to the panel stage 39, the panel carry-out position 39B slightly varies in the left-right direction.
  • the transport device 35 includes four slide stages 52 on which the liquid crystal panel 2 is placed, a movable frame 53 to which the four slide stages 52 are fixed, and a movable frame 53 so that sliding in the front-rear direction is possible. And a drive mechanism that slides the movable frame 53 in the front-rear direction with respect to the fixed frame 54.
  • the four slide stages 52 are adjacently arranged in the front-rear direction.
  • the slide stage 52 includes a plurality of suction units that vacuum-suck the liquid crystal panel 2 placed on the upper surface of the slide stage 52.
  • the fixed frame 54 is fixed to the base plate 37.
  • the robot 36 can slide in the left-right direction, a panel gripping portion 55 that holds the liquid crystal panel 2 by vacuum suction, a movable frame 56 that holds the panel gripping portion 55 so as to be able to slide in the vertical direction.
  • a fixed frame 57 that holds the movable frame 56, a lifting mechanism that raises and lowers the panel gripping portion 55 relative to the movable frame 56, and a drive mechanism that slides the movable frame 56 left and right relative to the fixed frame 57. It has.
  • the fixed frame 57 is fixed to the base plate 37.
  • the panel grip 55 is disposed at the same position as the panel stage 39 in the front-rear direction.
  • the robot 36 transports the liquid crystal panel 2 (that is, the liquid crystal panel 2 after being aligned by the alignment apparatus 10) on the panel stage 39 disposed at the panel carry-out position 39B to the slide stage 52. Specifically, the robot 36 holds the upper surface of the liquid crystal panel 2 on the panel stage 39 arranged at the panel carry-out position 39B by vacuum suction with the panel holding portion 55, moves to the front end side, and stops.
  • the liquid crystal panel 2 is sequentially conveyed from the panel stage 39 to each of the four slide stages 52.
  • the transport device 35 moves the slide stage 52 backward to transport the liquid crystal panel 2 to the rear end side of the transport device 35. To do.
  • the robot 33 includes four panel gripping portions 58 that grip the liquid crystal panel 2 by vacuum suction, a movable frame 59 that holds the panel gripping portion 58 so as to be able to slide in the vertical direction, and a horizontal direction.
  • a fixed frame 60 that holds the movable frame 59 so as to be slidable, an elevating mechanism that raises and lowers the panel gripper 58 with respect to the movable frame 59, and a movable frame 59 that slides in the left-right direction with respect to the fixed frame 60.
  • Drive mechanism The four panel grips 58 are adjacently arranged in the front-rear direction. The pitch of the four panel grips 58 in the front-rear direction is equal to the pitch of the four slide stages 52 in the front-rear direction.
  • the fixed frame 60 is fixed to the base plate 37.
  • the robot 33 carries the liquid crystal panel 2 transported to the rear end side of the transport device 35 by the transport device 35 into the processing device 14. Specifically, the robot 33 holds the upper surfaces of the four liquid crystal panels 2 placed on the four slide stages 52 by vacuum suction using the four panel holding portions 58, respectively. Four liquid crystal panels 2 are carried into the processing apparatus 14 together from the slide stage 52.
  • the data reader 31 is movable so that it can slide in the vertical direction, and a camera 62 that reads optically readable data such as a two-dimensional code and a one-dimensional code, a movable frame 63 to which the camera 62 is attached.
  • a frame 66 a lifting mechanism that moves the movable frame 63 up and down relative to the movable frame 64, a drive mechanism that slides the movable frame 64 in the front-rear direction relative to the movable frame 65, and a left and right movable frame 65 relative to the fixed frame 66 And a drive mechanism that slides in the direction.
  • the fixed frame 66 is fixed to the base plate 37.
  • the data reading device 31 includes illumination for irradiating the liquid crystal panel 2 with light.
  • the data reading device 31 reads the data of the liquid crystal panel 2 placed on the slide stage 52 of the transport device 35 after the position adjustment by the alignment device 10.
  • the data of the liquid crystal panel 2 read by the data reading device 31 is linked to the liquid crystal panel 2 from which the data has been read as individual data of the liquid crystal panel 2 from which the data has been read.
  • the ionizer 34 is disposed above the transport device 35.
  • the ionizer 34 is disposed behind the data reader 31 and removes static electricity from the liquid crystal panel 2 after data is read by the data reader 31.
  • the moving mechanism 40 of the alignment apparatus 10 aligns the liquid crystal panel 2 based on the detection result of the edge of the liquid crystal panel 2 by the camera 41, while the liquid crystal panel 2 moves to the camera 41.
  • the panel stage 39 is moved from the edge detection position 39A arranged on the lower side to the panel carry-out position 39B from which the liquid crystal panel 2 is carried out by the robot 36.
  • the panel stage 39 on which the liquid crystal panel 2 is placed can be moved to the panel carry-out position 39B.
  • the liquid crystal panel 2 can be carried out from the panel stage 39 to the slide stage 52 by the robot 36 in a short time. Therefore, in this embodiment, it is possible to shorten the time until the liquid crystal panel 2 is placed on the slide stage 52 after the alignment of the liquid crystal panel 2 is completed, and the cycle time in the alignment apparatus 10 is shortened. It becomes possible to do.
  • the liquid crystal panel 2 carried out by the robot 9 from the tray 3 on the tray stages 6 and 7 is supplied to the panel stage 39 disposed at the edge detection position 39A. After the panel 2 is placed, the time until the edge of the liquid crystal panel 2 is detected by the camera 61 can be shortened. Therefore, in this embodiment, the time cycle in the alignment apparatus 10 can be further shortened.
  • the illumination 42 irradiates the panel stage 39 with indirect light. Therefore, in this embodiment, even when the size of the liquid crystal panel 2 placed on the panel stage 39 changes, the entire liquid crystal panel 2 on the panel stage 39 can be irradiated with light using the common illumination 42. It becomes possible.
  • the illumination 42 is disposed at a position outside the field of view of the camera 41, the liquid crystal panel 2 is supplied to the panel stage 39 disposed at the edge detection position 39A by the robot 9 which is a parallel link robot. Even in such a case, interference between the robot 9 and the illumination 42 can be prevented. Further, in this embodiment, since the illumination 42 is bar illumination, uniform indirect light can be easily applied to the entire liquid crystal panel 2 on the panel stage 39.
  • the phase of the polarizing filter 50 of the camera 41 and the phase of the polarizing member 43 of the panel stage 39 are shifted by 90 °, and the panel stage 39 reflected in the camera 41 becomes black. Therefore, in this embodiment, it is possible to increase the contrast between the edge of the liquid crystal panel 2 captured by the camera 41 and the upper surface of the panel stage 39. Therefore, in this embodiment, the camera 41 can accurately detect the edge of the liquid crystal panel 2, and as a result, the liquid crystal panel 2 can be accurately aligned.
  • the moving mechanism 40 includes a movable frame that holds the movable frame 46 so as to be slidable in the left-right direction, a drive mechanism that slides the movable frame 46 in the left-right direction with respect to the movable frame, You may provide the fixed frame holding this movable frame so that the slide to the front-back direction is possible, and the drive mechanism which slides a movable frame to the front-back direction with respect to this fixed frame. Even in this case, the movable amount in the left-right direction of the panel stage 39 moved by the moving mechanism 40 is larger than the movable amount in the front-rear direction of the panel stage 39 moved by the moving mechanism 40.
  • the liquid crystal panel 2 is supplied to the panel stage 39 arranged at the edge detection position 39A, but the liquid crystal panel 2 is supplied to the panel stage 39 arranged at a position shifted from the edge detection position 39A. Also good.
  • the illumination 42 is bar illumination, the illumination 42 may be illumination other than bar illumination. In the embodiment described above, the illumination 42 irradiates the panel stage 39 with indirect light. However, the illumination 42 may irradiate the panel stage 39 with direct light.
  • the polarizing member 43 may not be attached to the upper surface of the panel stage 39.
  • the panel stage 39 is formed of a white plate such as polyacetal, and the upper surface of the panel stage 39 is white. Even in this case, since the contrast between the edge of the liquid crystal panel 2 reflected on the camera 41 and the upper surface of the panel stage 39 can be increased, the edge of the liquid crystal panel 2 can be accurately detected by the camera 41. As a result, the liquid crystal panel 2 can be accurately aligned.
  • the robot 8 is a three-axis orthogonal robot, but the robot 8 may be a horizontal articulated robot.
  • the robot 9 is a parallel link robot, but the robot 9 may be a horizontal articulated robot.
  • the display panel that is aligned by the alignment apparatus 10 is the liquid crystal panel 2.
  • the display panel that is aligned by the alignment apparatus 10 may be a display panel other than the liquid crystal panel 2.
  • the display panel that is aligned by the alignment apparatus 10 may be an organic EL panel.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
PCT/JP2017/022546 2016-06-30 2017-06-19 アライメント装置 WO2018003577A1 (ja)

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JP2018120156A (ja) * 2017-01-27 2018-08-02 日本電産サンキョー株式会社 アライメント装置

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JP2009280338A (ja) * 2008-05-21 2009-12-03 Kuraimu Prod Kk ワーク貼合装置およびワーク貼合方法
JP2011237530A (ja) * 2010-05-07 2011-11-24 Micronics Japan Co Ltd パネル処理システム及びパネル処理方法
WO2014185097A1 (ja) * 2013-05-17 2014-11-20 住友化学株式会社 剥離装置及び光学表示デバイスの生産システム
WO2014185099A1 (ja) * 2013-05-17 2014-11-20 住友化学株式会社 光学表示デバイスの生産システム
WO2014208526A1 (ja) * 2013-06-24 2014-12-31 住友化学株式会社 光学表示デバイスの生産システム
JP2015034882A (ja) * 2013-08-08 2015-02-19 住友化学株式会社 光学表示デバイスの生産システム
JP2015158603A (ja) * 2014-02-24 2015-09-03 株式会社Sat 基板の貼り合せ装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009280338A (ja) * 2008-05-21 2009-12-03 Kuraimu Prod Kk ワーク貼合装置およびワーク貼合方法
JP2011237530A (ja) * 2010-05-07 2011-11-24 Micronics Japan Co Ltd パネル処理システム及びパネル処理方法
WO2014185097A1 (ja) * 2013-05-17 2014-11-20 住友化学株式会社 剥離装置及び光学表示デバイスの生産システム
WO2014185099A1 (ja) * 2013-05-17 2014-11-20 住友化学株式会社 光学表示デバイスの生産システム
WO2014208526A1 (ja) * 2013-06-24 2014-12-31 住友化学株式会社 光学表示デバイスの生産システム
JP2015034882A (ja) * 2013-08-08 2015-02-19 住友化学株式会社 光学表示デバイスの生産システム
JP2015158603A (ja) * 2014-02-24 2015-09-03 株式会社Sat 基板の貼り合せ装置

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