WO2016029522A1 - 平板玻璃用对组系统 - Google Patents

平板玻璃用对组系统 Download PDF

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Publication number
WO2016029522A1
WO2016029522A1 PCT/CN2014/086882 CN2014086882W WO2016029522A1 WO 2016029522 A1 WO2016029522 A1 WO 2016029522A1 CN 2014086882 W CN2014086882 W CN 2014086882W WO 2016029522 A1 WO2016029522 A1 WO 2016029522A1
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WIPO (PCT)
Prior art keywords
platforms
pair
stepped
wide portion
hole
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PCT/CN2014/086882
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English (en)
French (fr)
Inventor
刘亚伟
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深圳市华星光电技术有限公司
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Application filed by 深圳市华星光电技术有限公司 filed Critical 深圳市华星光电技术有限公司
Priority to US14/430,210 priority Critical patent/US9802326B2/en
Publication of WO2016029522A1 publication Critical patent/WO2016029522A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J15/00—Gripping heads and other end effectors
    • B25J15/06—Gripping heads and other end effectors with vacuum or magnetic holding means
    • B25J15/0616—Gripping heads and other end effectors with vacuum or magnetic holding means with vacuum
    • 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
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • H10K71/10—Deposition of organic active material
    • H10K71/191—Deposition of organic active material characterised by provisions for the orientation or alignment of the layer to be deposited
    • 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
    • G02F1/133354—Arrangements for aligning or assembling substrates
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • H10K71/50—Forming devices by joining two substrates together, e.g. lamination techniques

Definitions

  • the present invention relates to the field of flat panel display device manufacturing, and more particularly to a pairing system for flat glass.
  • LCD or OLED In the field of display technology, flat panel display devices such as liquid crystal displays (LCDs) and organic light emitting diodes (OLEDs) have gradually replaced CRT displays and become mainstream products on the market.
  • LCD or OLED is usually fabricated on flat glass (eg, flat glass with a thickness of 0.5 mm).
  • VAS Vauum Alignment System
  • VAS vacuum Alignment System
  • the existing flat glass pairing system includes: a relatively disposed upper pair platform 100 and a lower pair platform 300, wherein the upper pair platform 100 can be compared with the lower pair platform 300 Moving;
  • the upper pair of platforms 100 includes a plurality of first air holes 110 arranged in an array and extending through the upper and lower surfaces thereof, and a plurality of deviations from the first air holes 110 and through the upper pair of platforms 100 a first stepped hole 130 of the upper and lower surfaces, a first mounting seat 150 fixed to the bottom wide portion 134 of the first stepped hole 130, a first suction cup 170 mounted on the first mounting seat 150, and mounting a first rubber member 190 on the first mounting seat 150 and located inside the first suction cup 170;
  • the first rubber member 190 is hollow and has a small thickness, and has an opening, the opening passes through the first
  • the center hole of the mount 150 is in communication with the first stepped hole 130.
  • the structure of the lower pair of platforms 300 is opposite to that of the upper set of platforms 100, and includes a plurality of second air holes 310 arranged in an array and extending through the upper and lower surfaces of the lower set of platforms 300, and a plurality of deviations from the first a second stepped hole 330 extending through the upper and lower surfaces of the lower pair of platforms 300, a second mounting seat 350 fixed to the top wide portion 334 of the second stepped hole 330, and being mounted on the second mounting a second suction cup 370 on the seat 350, and a second rubber member 390 mounted on the second mounting seat 350 and located inside the second suction cup 370; the second rubber member 390 is hollow and has a small thickness It has an opening that communicates with the second stepped hole 330 through a central hole of the second mount 350.
  • the method for pairing flat glass using the above-mentioned existing flat glass pairing system includes the following steps:
  • Step 1 providing the upper substrate 200 and the lower substrate 400 of the group to be paired;
  • Step 2 First, the upper substrate 200 is sent by the robot arm directly below the upper pair of platform 100; then, the upper arm 200 is lifted by the mechanical arm, and the first air hole 110 is evacuated to make the upper substrate. 200 is adsorbed to the upper pair of platforms 100; finally, the mechanical arm is withdrawn, the first air hole 110 is inflated to return to a standard atmospheric pressure, and the upper substrate 200 is sucked by the first suction cup 170;
  • Step 3 First, the lower substrate 400 is sent from the robot arm directly above the lower pair of platform 300; then, the lower arm 400 is lowered by the mechanical arm, and the second air hole 310 is evacuated, so that the lower substrate 400 is adsorbed to the lower pair. Group platform 300; finally the robot arm is withdrawn, the second air hole 310 is inflated to return to a standard atmospheric pressure, and the lower substrate 400 is sucked by the second rubber suction cup 370;
  • Step 4 referring to FIG. 4, the upper platform 100 is slowly moved down until the upper substrate 200 and the lower substrate 400 are paired together;
  • Step 5 referring to FIG. 5, the first and second rubber members 190, 390 are inflated through the first and second stepped holes 130, 330, respectively, so that the first and second rubber members 190, 390 are bubbled, and finally The upper and lower substrates 200, 400 are separated from the first and second suction cups 170, 370, respectively;
  • Step 6 The upper pair of platform 100 rises back to the initial position
  • Step 7 Take out the upper and lower substrates 200 and 400 of the group by the robot arm.
  • the above-described conventional flat glass pairing method uses a pneumatic bubbling method to separate the upper and lower substrates 200 and 400 from the upper and lower pair of platforms 100 and 300.
  • the advantage of this method is that the structure is simpler and the operation is simpler.
  • the disadvantage is that the second rubber parts 190 and 390 for bubbling are aged, just like the hydrogen balloon is repeatedly inflated and deflated after being deflated a plurality of times. . As shown in Figure 5, if on, The degree of aging of the plurality of first and second rubber members 190 and 390 on the lower decks 100, 300 is different, which results in a large air bubble and a small bubbling under the same air pressure.
  • the pressure distribution on the substrate 200 or the lower substrate 400 is uneven, causing a large pressure at some positions of the upper and lower substrates 200, 300, and a small pressure at some positions, thereby causing bending deformation, and the product yield of the flat display device is lowered. .
  • the object of the present invention is to provide a pairing system for flat glass, which improves the existing flat glass pairing system, so that the pressure distribution when the upper and lower substrates are separated from the pair of platforms is uniform, and the products of the flat panel display device are improved. Yield.
  • the present invention provides a pairing system for a flat glass, comprising a relatively disposed upper pair platform and a lower pair platform; the upper pair platform can move up and down relative to the lower pair platform;
  • the upper pair of platforms are provided with a plurality of first stepped holes extending through the upper and lower surfaces thereof, each of the first stepped holes including a first wide portion facing the lower pair of platforms and a first communicating with the first wide portion a narrow portion, each of the first wide portions is mounted with a first suction cup, and a plurality of first push rods respectively extend into the plurality of first stepped holes, and each of the first push rods can follow a first step thereof The axial movement of the hole is up and down;
  • the lower pair of platforms are provided with a plurality of second stepped holes penetrating the upper and lower surfaces thereof, each second The stepped hole includes a second wide portion facing the upper pair of platforms and a second narrow portion communicating with the second wide portion, each second wide portion is mounted with a second suction cup, and the plurality of second push rods respectively extend into the Within a plurality of second stepped holes, each of the second push rods is movable up and down along the axial direction of a second stepped hole in which it is located.
  • the upper pair of platforms further includes a plurality of first air holes arranged in an array through the upper and lower surfaces thereof, and the first wide portion of each of the first step holes is mounted with a first mounting seat, the first a suction cup is mounted on the first mounting seat; the first mounting seat has a first central hole, and the first central hole is in communication with the first stepped hole;
  • the lower pair platform is further provided with a plurality of second air holes arranged in an array through the upper and lower surfaces thereof, and the second wide portion of each of the second step holes is mounted with a second mounting seat, the second The suction cup is mounted on the second mounting seat; the second mounting seat has a second central hole, and the second central hole is in communication with the second stepped hole.
  • the plurality of first stepped holes are symmetric about a center of the upper pair of platforms; the plurality of second stepped holes are symmetric about a center of the lower set of platforms.
  • first push rod adjacent to the first wide portion of the first stepped hole is connected to a first pad, and the other end is connected to a first servo stepping motor; the second push rod is adjacent to the second step One end of the second wide portion of the hole is connected to a second block, and the other end is connected to a second servo stepping motor.
  • the first and second push rods are made of stainless steel, and the first and second blocks are made of Plastic, the first and second suction cups are made of rubber.
  • the present invention provides a flat glass pairing system capable of replacing upper and lower substrates by providing a plurality of push rods instead of the rubber members for bubbling in the existing flat glass pairing system.
  • the pressure distribution is uniform when separated from the group platform, and the product yield of the flat panel display device is improved.
  • FIG. 1 is a schematic cross-sectional view of a conventional pairing system for flat glass
  • FIG. 2 is a bottom view of an upper pair of platforms in a conventional pairing system for flat glass
  • Figure 3 is a cross-sectional view corresponding to the A-A rotation in Figure 2;
  • step 4 is a schematic view of step 4 of the conventional method for grouping flat glass
  • step 5 is a schematic view of step 5 of the conventional method for grouping flat glass
  • Figure 6 is a schematic cross-sectional view showing a pairing system for a flat glass according to the present invention.
  • Figure 7 is a bottom plan view of the upper pair of platforms in the pairing system for the flat glass of the present invention.
  • Figure 8 is a cross-sectional view corresponding to B-B rotation in Figure 7;
  • Figure 9 is a flow chart of the method for grouping the flat glass of the present invention.
  • 10 to 12 are schematic views of step 2 of the method for grouping flat glass
  • FIG. 13 to FIG. 15 are schematic diagrams showing the step 3 of the method for grouping the flat glass according to the present invention.
  • Figure 16 is a schematic view showing the step 4 of the method for grouping flat glass according to the present invention.
  • Figure 17 is a schematic view showing the step 5 of the method for grouping flat glass according to the present invention.
  • the present invention firstly provides a pair system for a flat glass, comprising: a relatively disposed upper pair platform 1 and a lower pair platform 3; and the upper pair platform 1 is powered by a power device ( Driven (not shown), it is possible to move up and down with respect to the lower pair of platforms 3 .
  • the upper pair of platforms 1 are provided with a plurality of first stepped holes 13 extending through the upper and lower surfaces thereof, each of the first stepped holes 13 including a first wide portion 131 facing the lower pair of platforms 3 and the first width a first narrow portion 132 connected to the portion 131, and each of the first wide portions 131 is mounted with a first suction cup 17, a plurality of first
  • the push rods 19 respectively extend into the plurality of first stepped holes 13, and each of the first push rods 19 can move up and down along the axial direction of a first stepped hole 13 in which it is located;
  • a plurality of first air holes 11 arranged in an array are disposed through the upper and lower surfaces thereof.
  • the first wide portion 131 of each of the first step holes 13 is mounted with a first mounting seat 15 for mounting the first suction cup 17
  • the first mounting seat 15 has a first central hole 151, and the first central hole 151 is in communication with the first stepped hole 13.
  • the lower pair of platforms 3 are provided with a plurality of second stepped holes 33 extending through the upper and lower surfaces thereof, each of the second stepped holes 33 including a second wide portion 331 facing the upper pair of platforms 1 and the second width a second narrow portion 332 communicating with the portion 331, each second wide portion 331 is mounted with a second suction cup 37, and a plurality of second push rods 39 respectively extend into the plurality of second stepped holes 33, and each second The push rod 39 can move up and down along the axial direction of a second stepped hole 33 in which it is located; the lower pair of platforms 3 are further provided with a plurality of second air holes 31 arranged in an array through the upper and lower surfaces thereof.
  • a second mounting portion 35 is mounted on the second wide portion 331 of each of the second stepped holes 33, and the second suction cup 37 is mounted on the second mounting seat 35; the second mounting seat 35 has a second center hole 351.
  • the second center hole 351 is in communication with the second stepped hole 33.
  • the first air hole 11 and the second air hole 31 are respectively connected to a vacuuming device (not shown). By vacuuming the first air hole 11, the upper substrate can be adsorbed to the upper pair of platforms 1; Vacuuming the second air holes 31 enables the lower substrate to be adsorbed to the lower pair of stages 3.
  • the first mounting seat 15 and the second mounting seat 35 are respectively configured to mount the first suction cup 17 and the second suction cup 37.
  • the material of the first mounting seat 15 and the second mounting seat 35 is generally aluminum.
  • the first suction cup 17 is configured to continue to suck the upper substrate after returning to a standard atmospheric pressure in the first air hole 11; the second suction cup 37 is configured to return to a standard atmospheric pressure in the second air hole 31. After that, continue to hold the lower substrate.
  • first push rod 19 adjacent to the first wide portion 131 of the first stepped hole 13 is connected to a first spacer 20, and the other end is connected to a first servo stepping motor (not shown);
  • the second push rod 39 is connected to a second spacer 40 at one end of the second wide portion 331 of the second stepped hole 33, and the other end is connected to a second servo stepping motor (not shown).
  • the first servo stepping motor and the second servo stepping motor can respectively drive the first push rod 19 and the second push rod 39 to move up and down, and can accurately control the displacement amount.
  • the first push rod 19 is driven downward by the driving of the first servo stepping motor, passes through and extends out of the pair of platform 1 , and pushes the upper substrate away from the first suction cup 17
  • the second push rod 39 is moved upward by the second servo stepping motor, passes through and extends out of the pair of platforms 3, and pushes the lower substrate out of the second suction cup 37.
  • first push rod 19 and the second push rod 39 are synchronously operated under the control of the first servo stepping motor and the second servo stepping motor, respectively, and the displacement amount of each first push rod 19 is exactly one. Therefore, the displacement amount of each of the second push rods 39 is exactly the same, so that the pressure distribution of the upper and lower substrates is uniform, and the upper and lower substrates are prevented from being bent, so that the product yield of the flat display device can be improved.
  • the first spacer 20 and the second spacer 40 can be arranged to prevent the first push rod 19 from scratching the upper substrate and the second push rod 39 from scratching the lower substrate, and play a certain buffering force.
  • first stepped holes 13 and the second stepped holes 33 are respectively symmetric about the center of the upper pair of platforms 1 and the center of the lower set of platforms 3 .
  • the material of the first suction cup 17 and the second suction cup 37 is rubber.
  • the material of the first push rod 19 and the second push rod 39 is metal.
  • the first push rod 19 and the second push rod 39 are made of stainless steel.
  • the first block 20 and the second block 40 are all columnar bodies, and the cross section thereof may be a regular shape such as a rectangle or a circle.
  • the first block 20 and the second block 40 have a cross section.
  • the material of the first block 20 and the second block 40 is an elastic material.
  • the material of the first block 20 and the second block 40 is plastic.
  • the above-mentioned flat glass pairing system can be used to implement a method for pairing flat glass, comprising the following steps:
  • Step 1 Provide the upper substrate 2 and the lower substrate 4 of the group to be paired.
  • Step 2 The upper substrate 2 is adsorbed by the upper pair platform 1 .
  • the upper pair of platforms 1 are provided with a plurality of first stepped holes 13 extending through the upper and lower surfaces thereof, each of the first stepped holes 13 including a first wide portion 131 facing the lower pair of platforms 3 and the first width a first narrow portion 132 connected to the portion 131, and a first suction cup 17 is mounted on each of the first wide portions 131.
  • a plurality of first push rods 19 respectively extend into the plurality of first stepped holes 13 and each first The push rod 19 is movable up and down along an axial direction of a first stepped hole 13 in which it is located; the upper pair of platform 1 is further provided with a plurality of first air holes 11 arranged in an array through the upper and lower surfaces thereof.
  • a first mounting seat 15 is mounted on the first wide portion 131 of each of the first stepped holes 13, and the first suction cup 17 is mounted on the first mounting seat 15;
  • the first mounting seat 15 has a first central hole 151, the first central hole 151 is in communication with the first stepped hole 13;
  • the first push rod 19 is adjacent to one end of the first wide portion 131 of the first stepped hole 13 and is connected to a first block 20, and One end is connected to a first servo stepping motor.
  • the specific implementation process of the step 2 is: first, the upper substrate 2 is sent directly to the upper platform 1 by a robot arm (not shown); and then the upper substrate 2 is raised by the mechanical arm. At the same time, the first air hole 11 is evacuated, so that the upper substrate 2 is adsorbed to the upper pair of platforms 1; finally, the first air hole 11 is inflated to return to a standard atmospheric pressure, and the upper substrate 2 is the first suction cup of the upper platform 1 17 sucked.
  • Step 3 The lower substrate 4 is adsorbed by the lower pair of platforms 3.
  • the lower pair of platforms 3 are provided with a plurality of second stepped holes 33 extending through the upper and lower surfaces thereof, each The second stepped hole 33 includes a second wide portion 331 facing the upper pair of platforms 1 and a second narrow portion 332 communicating with the second wide portion 331.
  • Each second wide portion 331 is mounted with a second suction cup 37, a plurality of The second push rods 39 respectively extend into the plurality of second stepped holes 33, and each of the second push rods 39 can move up and down along the axial direction of a second stepped hole 33 in which the second stepped holes 33 are located; 3 is further provided with a plurality of second air holes 31 arranged in an array through the upper and lower surfaces thereof, and the second wide portion 331 of each second stepped hole 33 is mounted with a second mounting seat 35, the second suction cup 37 is mounted on the second mounting seat 35; the second mounting seat 35 has a second central hole 351, the second central hole 351 is in communication with the second stepped hole 33; the second push rod 39 is adjacent One end of the second wide portion 331 of the second stepped hole 33 is connected to a second block 40, and the other end is connected to a second servo stepping motor.
  • the specific implementation process of the step 3 is: first, the lower substrate 4 is sent by the robot arm directly above the lower pair of platforms 3; then, the lower arm 4 is lowered by the mechanical arm, and the second is simultaneously
  • the air holes 31 are evacuated so that the lower substrate 4 is attracted to the lower pair of stages 3; finally, the second air holes 31 are inflated to return to a standard atmospheric pressure, and the lower substrate 4 is sucked by the second suction cups 37 of the lower pair of stages 3.
  • Step 4 As shown in FIG. 16, the upper pair of platforms 1 are slowly moved down until the upper substrate 2 and the lower substrate 4 are paired together.
  • Step 5 adopting the first push rod 19 to pass through and extend the upper pair of platform 1 and push
  • the upper substrate 2 is separated from the upper pair of platforms 1;
  • the second push rod 39 is passed through and extended to the lower pair of platforms 3, and the lower substrate 4 is pushed out of the lower pair of platforms 3.
  • the first servo stepping motor accurately drives the first push rod 19 to be displaced downward by a certain distance, so as to pass through and extend out of the pair of platform 1 to push the upper substrate 2 Disengaged from the first suction cup 17, thereby disengaging the upper substrate 2 from the upper pair of platform 1;
  • the second servo stepping motor accurately drives the second push rod 39 to be displaced upward by a certain distance to wear The lower substrate 4 is pushed out of the second suction cup 37, and the lower substrate 4 is disengaged from the lower pair of platforms 3.
  • the first push rod 19 and the second push rod 39 are accurately driven by the second gas servo stepping motor to push the upper and lower substrates 2, 4 out of the first and second suction cups 17, 37, that is, the upper and lower substrates 2, 4 after the pair are separated from the upper and lower pair platforms 1 and 3 by mechanical means.
  • each of the first push rod 19 and the second push rod 39 are synchronously operated under the control of the first servo stepping motor and the second servo stepping motor, respectively, and the displacement amount of each first push rod 19 is exactly the same, each of the first The displacement amount of the two push rods 39 is exactly the same, and the pressure distribution of the upper and lower substrates 2, 4 can be made uniform, and the upper and lower substrates 2, 4 are prevented from being bent, so that the product yield of the flat panel display device can be improved.
  • Step 6 The upper pair of platform 1 rises back to the initial position.
  • Step 7 Take out the upper and lower substrates 2 and 4 of the group by the robot arm.
  • the present invention provides a pairing system for flat glass, which can replace the rubber parts for bubbling in the existing flat glass pairing system by providing a plurality of push rods, so that the upper and lower substrates can be
  • the pressure distribution when the group platform is separated is uniform, and the product yield of the flat panel display device is improved.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Mathematical Physics (AREA)
  • Robotics (AREA)
  • Mechanical Engineering (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)

Abstract

一种平板玻璃用对组系统，包括：相对设置的上、下对组平台（1、3），上对组平台（1）能够相对于下对组平台（3）上下移动；上、下对组平台（1、3）分别设有贯穿其上、下表面的数个第一、第二阶梯孔（13、33），每一第一阶梯孔（13）包括朝向下对组平台（3）的第一宽部（131）及与第一宽部（131）连通的第一窄部（132），每一第二阶梯孔（33）包括朝向上对组平台（1）的第二宽部（331）及与该第二宽部（331）连通的第二窄部（332）；第一、第二吸盘（17、37）分别安装于第一、第二宽部（131、331）上；数个第一、第二推杆（19、39）分别伸入数个第一、第二阶梯孔（13、33）内，且能沿其所在的一个第一、第二阶梯孔（13、33）的轴向上下移动。

Description

平板玻璃用对组系统 技术领域
本发明涉及平板显示器件制程领域，尤其涉及一种平板玻璃用对组系统。
背景技术
在显示技术领域，液晶显示器(Liquid Crystal Display，LCD)与有机发光二极管显示器(Organic Light Emitting Diode，OLED)等平板显示器件已经逐步取代CRT显示器，成为市场上的主流产品。LCD或OLED通常制作在平板玻璃上(如：厚度为0.5mm的平板玻璃)。在LCD或OLED的制作过程中，往往需要一道工序将两片平板玻璃基板对组在一起，并用胶框将二者粘结，以对LCD或OLED实施封装。该对组工序所用到的机台叫做VAS(Vacuum Alignment System，VAS)机台，即真空对组系统。
请参阅图1至图3，现有的平板玻璃用对组系统包括：相对设置的上对组平台100与下对组平台300，所述上对组平台100能够相对于下对组平台300上下移动；所述上对组平台100包括多个呈阵列式排布并贯穿其上、下表面的第一气孔110、数个偏离所述第一气孔110并贯穿该上对组平台100 上、下表面的第一阶梯孔130、固设于所述第一阶梯孔130底部宽部134的第一安装座150、安装于所述第一安装座150上的第一吸盘170、及安装于所述第一安装座150上且位于所述第一吸盘170内部的第一橡胶件190；所述第一橡胶件190呈中空状，厚度较小，其具有一开口，该开口通过第一安装座150的中心孔与第一阶梯孔130连通。所述下对组平台300的结构与上对组平台100相对设置，包括多个呈阵列式排布并贯穿该下对组平台300上、下表面的第二气孔310、多个偏离所述第二气孔310并贯穿该下对组平台300上、下表面的第二阶梯孔330、固设于所述第二阶梯孔330顶部宽部334的第二安装座350、安装于所述第二安装座350上的第二吸盘370、及安装于所述第二安装座350上且位于所述第二吸盘370内部的第二橡胶件390；所述第二橡胶件390呈中空状，厚度较小，其具有一开口，该开口通过第二安装座350的中心孔与所述第二阶梯孔330连通。
使用上述现有的平板玻璃用对组系统对平板玻璃进行对组的方法包括如下步骤：
步骤1、提供待对组的上基板200与下基板400；
步骤2、先将上基板200由机械手臂送至上对组平台100的正下方；再由机械手臂带动上基板200上升，同时对第一气孔110抽真空，使上基板 200被吸附到上对组平台100；最后机械手臂退出，对第一气孔110充气使其恢复至一个标准大气压，上基板200被第一吸盘170吸住；
步骤3、先将下基板400由机械手臂送至下对组平台300的正上方；再由机械手臂带动下基板400下降，同时对第二气孔310抽真空，使下基板400被吸附到下对组平台300；最后机械手臂退出，对第二气孔310充气使其恢复至一个标准大气压，下基板400被第二橡胶吸盘370吸住；
步骤4、请参阅图4，上对组平台100缓慢下移，直至使上基板200与下基板400对组在一起；
步骤5、请参阅图5，分别通过第一、第二阶梯孔130、330向第一、第二橡胶件190、390内充气，使第一、第二橡胶件190、390鼓泡，最终使上、下基板200、400分别脱离第一、第二吸盘170、370；
步骤6、上对组平台100上升回复至初始位置；
步骤7、通过机械手臂将完成对组的上、下基板200、400取出。
上述现有的平板玻璃用对组方法采用充气鼓泡的方式将上、下基板200、400与上、下对组平台100、300分离开来。这种方式的优点是结构较简单、操作较简便，缺点是用于鼓泡的第气第二橡胶件190、390会老化，就像是氢气球被反复充气、放气多次后就会变形。如图5所示，如果上、 下对组平台100、300上的多个第一、第二橡胶件190、390的老化程度不一样，就会导致相同的气压下，有的鼓泡大、有的鼓泡小，施加在上基板200或下基板400上的压力分布不均匀，造成上、下基板200、300的某些位置压力较大、某些位置压力较小，从而产生弯曲变形，使平板显示器件的产品良率下降。
发明内容
本发明的目的在于提供一种平板玻璃用对组系统，对现有的平板玻璃用对组系统进行改进，使上、下基板与对组平台分离时的压力分布均匀，提高平板显示器件的产品良率。
为实现上述目的，本发明提供一种平板玻璃用对组系统，包括相对设置的上对组平台与下对组平台；所述上对组平台能够相对于下对组平台上下移动；
所述上对组平台设有贯穿其上、下表面的数个第一阶梯孔，每一第一阶梯孔包括朝向下对组平台的第一宽部及与该第一宽部连通的第一窄部，每一第一宽部安装有一第一吸盘，数个第一推杆分别伸入所述数个第一阶梯孔内，且每一第一推杆能沿其所在的一个第一阶梯孔的轴向上下移动；
所述下对组平台设有贯穿其上、下表面的数个第二阶梯孔，每一第二 阶梯孔包括朝向上对组平台的第二宽部及与该第二宽部连通的第二窄部，每一第二宽部安装有一第二吸盘，数个第二推杆分别伸入所述数个第二阶梯孔内，且每一第二推杆能沿其所在的一个第二阶梯孔的轴向上下移动。
所述上对组平台还设有贯穿其上、下表面的多个呈阵列式排布的第一气孔，每一第一阶梯孔的第一宽部安装有一第一安装座，所述第一吸盘安装于所述第一安装座上；所述第一安装座具有第一中心孔，该第一中心孔与所述第一阶梯孔连通；
所述下对组平台还设有贯穿其上、下表面的多个呈阵列式排布的第二气孔，每一第二阶梯孔的第二宽部安装有一第二安装座，所述第二吸盘安装于所述第二安装座上；所述第二安装座具有第二中心孔，该第二中心孔与所述第二阶梯孔连通。
所述数个第一阶梯孔关于所述上对组平台的中心对称；所述数个第二阶梯孔关于所述下对组平台的中心对称。
所述第一推杆靠近所述第一阶梯孔的第一宽部的一端连接一第一垫块，另一端连接一第一伺服步进电机；所述第二推杆靠近所述第二阶梯孔的第二宽部的一端连接一第二垫块，另一端连接一第二伺服步进电机。
所述第一、第二推杆的材质为不锈钢，所述第一、第二垫块的材质为 塑胶，所述第一、第二吸盘的材质为橡胶。
本发明的有益效果：本发明提供的一种平板玻璃用对组系统，通过设置多个推杆代替现有的平板玻璃用对组系统中用于鼓泡的橡胶件，能够使上、下基板与对组平台分离时的压力分布均匀，提高平板显示器件的产品良率。
为了能更进一步了解本发明的特征以及技术内容，请参阅以下有关本发明的详细说明与附图，然而附图仅提供参考与说明用，并非用来对本发明加以限制。
附图说明
下面结合附图，通过对本发明的具体实施方式详细描述，将使本发明的技术方案及其他有益效果显而易见。
附图中，
图1为现有的平板玻璃用对组系统的剖面示意图；
图2为现有的平板玻璃用对组系统中上对组平台的仰视图；
图3为对应图2中的A-A旋转剖视图；
图4为现有的平板玻璃用对组方法的步骤4的示意图；
图5为现有的平板玻璃用对组方法的步骤5的示意图；
图6为本发明平板玻璃用对组系统的剖面示意图；
图7为本发明平板玻璃用对组系统中上对组平台的仰视图；
图8为对应图7中的B-B旋转剖视图；
图9为本发明平板玻璃用对组方法的流程图；
图10至图12为本发明平板玻璃用对组方法的步骤2的示意图；
图13至图15为本发明平板玻璃用对组方法的步骤3的示意图；
图16为本发明平板玻璃用对组方法的步骤4的示意图；
图17为本发明平板玻璃用对组方法的步骤5的示意图。
具体实施方式
为更进一步阐述本发明所采取的技术手段及其效果，以下结合本发明的优选实施例及其附图进行详细描述。
请参阅图6至图8，本发明首先提供一种平板玻璃用对组系统，包括：相对设置的上对组平台1与下对组平台3；所述上对组平台1由一动力装置(未图示)驱动，能够相对于下对组平台3上下移动。
所述上对组平台1设有贯穿其上、下表面的数个第一阶梯孔13，每一第一阶梯孔13包括朝向下对组平台3的第一宽部131及与该第一宽部131连通的第一窄部132，每一第一宽部131安装有一第一吸盘17，数个第一 推杆19分别伸入所述数个第一阶梯孔13内，且每一第一推杆19能沿其所在的一个第一阶梯孔13的轴向上下移动；所述上对组平台1还设有贯穿其上、下表面的多个呈阵列式排布的第一气孔11，每一第一阶梯孔13的第一宽部131安装有一第一安装座15，所述第一吸盘17安装于所述第一安装座15上；所述第一安装座15具有第一中心孔151，该第一中心孔151与所述第一阶梯孔13连通。
所述下对组平台3设有贯穿其上、下表面的数个第二阶梯孔33，每一第二阶梯孔33包括朝向上对组平台1的第二宽部331及与该第二宽部331连通的第二窄部332，每一第二宽部331安装有一第二吸盘37，数个第二推杆39分别伸入所述数个第二阶梯孔33内，且每一第二推杆39能沿其所在的一个第二阶梯孔33的轴向上下移动；所述下对组平台3还设有贯穿其上、下表面的多个呈阵列式排布的第二气孔31，每一第二阶梯孔33的第二宽部331安装有一第二安装座35，所述第二吸盘37安装于所述第二安装座35上；所述第二安装座35具有第二中心孔351，该第二中心孔351与所述第二阶梯孔33连通。
所述第一气孔11、第二气孔31分别连接一抽真空装置(未图示)。通过对所述第一气孔11抽真空，能够使上基板被吸附到上对组平台1；通过 对所述第二气孔31抽真空，能够使下基板被吸附到下对组平台3。
所述第一安装座15、第二安装座35分别用于安装第一吸盘17、第二吸盘37。该第一安装座15、第二安装座35的材质一般为铝。
所述第一吸盘17用于在所述第一气孔11内恢复至一个标准大气压后，继续吸住上基板；所述第二吸盘37用于在所述第二气孔31内恢复至一个标准大气压后，继续吸住下基板。
所述第一推杆19靠近所述第一阶梯孔13的第一宽部131的一端连接一第一垫块20，另一端连接一第一伺服步进电机(未图示)；所述第二推杆39靠近所述第二阶梯孔33的第二宽部331的一端连接一第二垫块40，另一端连接一第二伺服步进电机(未图示)。
所述第一伺服步进电机、第二伺服步进电机分别能够驱动第一推杆19、第二推杆39上下位移，并能够精确控制位移量。在上、下基板对组完成后，所述第一推杆19在第一伺服步进电机的驱动下向下移动，穿过并伸出上对组平台1，推动上基板脱离第一吸盘17；所述第二推杆39在第二伺服步进电机的驱动下向上移动，穿过并伸出下对组平台3，推动下基板脱离第二吸盘37。由于第一推杆19、第二推杆39分别在第一伺服步进电机、第二伺服步进电机的控制下同步动作，且每一第一推杆19的位移量精确一 致，每一第二推杆39的位移量精确一致，使得上、下基板所受的压力分布均匀，避免上、下基板产生弯曲，从而能够提高平板显示器件的产品良率。
设置所述第一垫块20、第二垫块40，能够分别避免第一推杆19刮伤上基板及避免第二推杆39刮伤下基板，并起到一定的缓冲力的作用。
进一步的，所述数个第一阶梯孔13、第二阶梯孔33分别关于上对组平台1的中心、下对组平台3的中心对称。
所述第一吸盘17、第二吸盘37的材质为橡胶。
所述第一推杆19、第二推杆39的材质为金属，优选的，所述第一推杆19、第二推杆39的材质为不锈钢。
所述第一垫块20、第二垫块40均为柱状体，其横截面可为矩形、圆形等规则形状，优选的，所述第一垫块20、第二垫块40的横截面为圆形；所述第一垫块20、第二垫块40的材质为弹性材料，优选的，所述第一垫块20、第二垫块40的材质为塑胶。
请参阅图9，上述平板玻璃用对组系统可用于实施平板玻璃用对组方法，包括如下步骤：
步骤1、提供待对组的上基板2与下基板4。
步骤2、采用上对组平台1吸附上基板2。
所述上对组平台1设有贯穿其上、下表面的数个第一阶梯孔13，每一第一阶梯孔13包括朝向下对组平台3的第一宽部131及与该第一宽部131连通的第一窄部132，每一第一宽部131安装有一第一吸盘17，数个第一推杆19分别伸入所述数个第一阶梯孔13内，且每一第一推杆19能沿其所在的一个第一阶梯孔13的轴向上下移动；所述上对组平台1还设有贯穿其上、下表面的多个呈阵列式排布的第一气孔11，每一第一阶梯孔13的第一宽部131安装有一第一安装座15，所述第一吸盘17安装于所述第一安装座15上；所述第一安装座15具有第一中心孔151，该第一中心孔151与所述第一阶梯孔13连通；所述第一推杆19靠近所述第一阶梯孔13的第一宽部131的一端连接一第一垫块20，另一端连接一第一伺服步进电机。
请参阅图10至图12，该步骤2的具体实施过程为：先由机械手臂(未图示)将上基板2送至上对组平台1的正下方；再由机械手臂带动上基板2上升，同时对第一气孔11抽真空，使上基板2被吸附到上对组平台1；最后对第一气孔11充气使其恢复至一个标准大气压，上基板2被上对组平台1的第一吸盘17吸住。
步骤3、采用下对组平台3吸附下基板4。
所述下对组平台3设有贯穿其上、下表面的数个第二阶梯孔33，每一 第二阶梯孔33包括朝向上对组平台1的第二宽部331及与该第二宽部331连通的第二窄部332，每一第二宽部331安装有一第二吸盘37，数个第二推杆39分别伸入所述数个第二阶梯孔33内，且每一第二推杆39能沿其所在的一个第二阶梯孔33的轴向上下移动；所述下对组平台3还设有贯穿其上、下表面的多个呈阵列式排布的第二气孔31，每一第二阶梯孔33的第二宽部331安装有一第二安装座35，所述第二吸盘37安装于所述第二安装座35上；所述第二安装座35具有第二中心孔351，该第二中心孔351与所述第二阶梯孔33连通；所述第二推杆39靠近所述第二阶梯孔33的第二宽部331的一端连接一第二垫块40，另一端连接一第二伺服步进电机。
请参阅图13至图15，该步骤3的具体实施过程为：先由机械手臂将下基板4送至下对组平台3的正上方；再由机械手臂带动下基板4下降，同时对第二气孔31抽真空，使下基板4被吸附到下对组平台3；最后对第二气孔31充气使其恢复至一个标准大气压，下基板4被下对组平台3的第二吸盘37吸住。
步骤4、如图16所示，上对组平台1缓慢下移，直至使上基板2与下基板4对组在一起。
步骤5、如图17所示，采用第一推杆19穿过并伸出上对组平台1，推 动上基板2脱离上对组平台1；采用第二推杆39穿过并伸出下对组平台3，推动下基板4脱离下对组平台3。
具体的，通过开启第一伺服步进电机，由该第一伺服步进电机精确驱动第一推杆19向下位移一定距离，使其穿过并伸出上对组平台1，推动上基板2脱离第一吸盘17，从而使上基板2脱离上对组平台1；通过开启第二伺服步进电机，由该第二伺服步进电机精确驱动第二推杆39向上位移一定距离，使其穿过并伸出下对组平台3，推动下基板4脱离第二吸盘37，从而使下基板4脱离下对组平台3。
该步骤5中，分别通过第气第二伺服步进电机精确驱动第一推杆19、第二推杆39位移，以推动所述上、下基板2、4脱离第一、第二吸盘17、37，即采用机械方式将对组后的上、下基板2、4与上、下对组平台1、3分离。由于第一推杆19、第二推杆39分别在第一伺服步进电机、第二伺服步进电机的控制下同步动作，且每一第一推杆19的位移量精确一致，每一第二推杆39的位移量精确一致，能够使得上、下基板2、4所受的压力分布均匀，避免上、下基板2、4产生弯曲，从而能够提高平板显示器件的产品良率。
步骤6、上对组平台1上升回复至初始位置。
步骤7、通过机械手臂将完成对组的上、下基板2、4取出。
综上所述，本发明提供的一种平板玻璃用对组系统，通过设置多个推杆代替现有的平板玻璃用对组系统中用于鼓泡的橡胶件，能够使上、下基板与对组平台分离时的压力分布均匀，提高平板显示器件的产品良率。
以上所述，对于本领域的普通技术人员来说，可以根据本发明的技术方案和技术构思作出其他各种相应的改变和变形，而所有这些改变和变形都应属于本发明后附的权利要求的保护范围。

Claims (11)

  1. 一种平板玻璃用对组系统，包括：相对设置的上对组平台与下对组平台；所述上对组平台能够相对于下对组平台上下移动；
    所述上对组平台设有贯穿其上、下表面的数个第一阶梯孔，每一第一阶梯孔包括朝向下对组平台的第一宽部及与该第一宽部连通的第一窄部，每一第一宽部安装有一第一吸盘，数个第一推杆分别伸入所述数个第一阶梯孔内，且每一第一推杆能沿其所在的一个第一阶梯孔的轴向上下移动；
    所述下对组平台设有贯穿其上、下表面的数个第二阶梯孔，每一第二阶梯孔包括朝向上对组平台的第二宽部及与该第二宽部连通的第二窄部，每一第二宽部安装有一第二吸盘，数个第二推杆分别伸入所述数个第二阶梯孔内，且每一第二推杆能沿其所在的一个第二阶梯孔的轴向上下移动。
  2. 如权利要求1所述的平板玻璃用对组系统，其中，所述上对组平台还设有贯穿其上、下表面的多个呈阵列式排布的第一气孔，每一第一阶梯孔的第一宽部安装有一第一安装座，所述第一吸盘安装于所述第一安装座上；所述第一安装座具有第一中心孔，该第一中心孔与所述第一阶梯孔连通；
    所述下对组平台还设有贯穿其上、下表面的多个呈阵列式排布的第二 气孔，每一第二阶梯孔的第二宽部安装有一第二安装座，所述第二吸盘安装于所述第二安装座上；所述第二安装座具有第二中心孔，该第二中心孔与所述第二阶梯孔连通。
  3. 如权利要求1所述的平板玻璃用对组系统，其中，所述数个第一阶梯孔关于所述上对组平台的中心对称；所述数个第二阶梯孔关于所述下对组平台的中心对称。
  4. 如权利要求1所述的平板玻璃用对组系统，其中，所述第一推杆靠近所述第一阶梯孔的第一宽部的一端连接一第一垫块，另一端连接一第一伺服步进电机；所述第二推杆靠近所述第二阶梯孔的第二宽部的一端连接一第二垫块，另一端连接一第二伺服步进电机。
  5. 如权利要求1所述的平板玻璃用对组系统，其中，所述第一、第二推杆的材质为不锈钢，所述第一、第二垫块的材质为塑胶，所述第一、第二吸盘的材质为橡胶。
  6. 一种平板玻璃用对组系统，包括：相对设置的上对组平台与下对组平台；所述上对组平台能够相对于下对组平台上下移动；
    所述上对组平台设有贯穿其上、下表面的数个第一阶梯孔，每一第一阶梯孔包括朝向下对组平台的第一宽部及与该第一宽部连通的第一窄部， 每一第一宽部安装有一第一吸盘，数个第一推杆分别伸入所述数个第一阶梯孔内，且每一第一推杆能沿其所在的一个第一阶梯孔的轴向上下移动；
    所述下对组平台设有贯穿其上、下表面的数个第二阶梯孔，每一第二阶梯孔包括朝向上对组平台的第二宽部及与该第二宽部连通的第二窄部，每一第二宽部安装有一第二吸盘，数个第二推杆分别伸入所述数个第二阶梯孔内，且每一第二推杆能沿其所在的一个第二阶梯孔的轴向上下移动；
    所述上对组平台还设有贯穿其上、下表面的多个呈阵列式排布的第一气孔，每一第一阶梯孔的第一宽部安装有一第一安装座，所述第一吸盘安装于所述第一安装座上；所述第一安装座具有第一中心孔，该第一中心孔与所述第一阶梯孔连通；
    所述下对组平台还设有贯穿其上、下表面的多个呈阵列式排布的第二气孔，每一第二阶梯孔的第二宽部安装有一第二安装座，所述第二吸盘安装于所述第二安装座上；所述第二安装座具有第二中心孔，该第二中心孔与所述第二阶梯孔连通。
  7. 如权利要求6所述的平板玻璃用对组系统，其中，所述数个第一阶梯孔关于所述上对组平台的中心对称；所述数个第二阶梯孔关于所述下对组平台的中心对称。
  8. 如权利要求6所述的平板玻璃用对组系统，其中，所述第一推杆靠近所述第一阶梯孔的第一宽部的一端连接一第一垫块，另一端连接一第一伺服步进电机，所述第二推杆靠近所述第二阶梯孔的第二宽部的一端连接一第二垫块，另一端连接一第二伺服步进电机。
  9. 如权利要求6所述的平板玻璃用对组系统，其中，所述第一、第二推杆的材质为不锈钢。
  10. 如权利要求6所述的平板玻璃用对组系统，其中，所述第一、第二垫块的材质为塑胶。
  11. 如权利要求6所述的平板玻璃用对组系统，其中，所述第一、第二吸盘的材质为橡胶。
PCT/CN2014/086882 2014-08-26 2014-09-19 平板玻璃用对组系统 WO2016029522A1 (zh)

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