TW201527194A - Device and method for conveying and testing optical member bonded panel - Google Patents

Device and method for conveying and testing optical member bonded panel Download PDF

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Publication number
TW201527194A
TW201527194A TW103141139A TW103141139A TW201527194A TW 201527194 A TW201527194 A TW 201527194A TW 103141139 A TW103141139 A TW 103141139A TW 103141139 A TW103141139 A TW 103141139A TW 201527194 A TW201527194 A TW 201527194A
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panel
conveyor
optical
optical member
bonding
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TW103141139A
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Chinese (zh)
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Tatsuya Tsuchioka
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Sumitomo Chemical Co
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/8914—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the material examined
    • 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
    • G02F1/1306—Details
    • G02F1/1309—Repairing; Testing
    • 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
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N2021/9513—Liquid crystal panels

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Nonlinear Science (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Immunology (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Liquid Crystal (AREA)
  • Structure Of Belt Conveyors (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)

Abstract

A device for conveying and testing an optical member bonded panel of the present application carries out an optical test while conveying the bonded optical member panel P12 in a certain direction. A panel conveyor device 60 includes an upper side conveyor 61 which conveys a panel to an optical test position K and a lower side conveyor 62 which conveys the panel immediately after the panel passes through the optical test position K, wherein the upper side conveyor 61 is formed of a roller conveyor 61A and the lower side conveyor 62 is formed of a flat belt conveyor 62A which is formed of a flat belt 71 in which a conveyor surface on which the panel is loaded is flat.

Description

光學構件貼合面板的搬送檢查裝置及搬送檢查方法 Transport inspection device for optical member bonding panel and transport inspection method

本發明係有關一邊搬送光學構件貼合面板一邊進行光學檢查之光學構件貼合面板的搬送檢查裝置及搬送檢查方法。 The present invention relates to a transport inspection device and a transport inspection method for an optical member bonding panel that performs optical inspection while transporting an optical member bonding panel.

本申請案係根據2013年11月28日在日本提出申請之特願2013-246551號申請案主張優先權，並在此引用其內容。 The present application claims priority from Japanese Patent Application No. 2013-246551, filed on Jan.

以往，以製造液晶顯示器等之光學構件貼合面板之製造裝置而言，專利文獻1或專利文獻2所記載之製造裝置已為人所熟知。光學構件貼合面板係將偏光膜等的光學構件貼合在液晶面板等的光學顯示零件。於貼合光學顯示零件與光學構件之貼合裝置的下游側，設置有一邊搬送光學構件貼合面板，一邊進行此光學構件貼合面板的概觀檢查之光學檢查裝置。在光學檢查裝置中，藉由從光學構件貼合面板的一面側照射光，且拍攝其穿透光或反射光，來檢查貼合時的氣泡之進入與光學構件的表面之瑕疵的有無，以及光學顯示零件本身的缺陷(配向不良等)之 有無等。 Conventionally, a manufacturing apparatus described in Patent Document 1 or Patent Document 2 is known as a manufacturing apparatus for manufacturing an optical member bonding panel such as a liquid crystal display. In the optical member bonding panel, an optical member such as a polarizing film is bonded to an optical display component such as a liquid crystal panel. On the downstream side of the bonding apparatus for bonding the optical display part and the optical member, an optical inspection apparatus for performing an inspection of the optical member bonding panel while conveying the optical member bonding panel is provided. In the optical inspection apparatus, by irradiating light from one side of the optical member bonding panel and photographing the transmitted light or reflected light, the presence or absence of the entrance of the bubble at the time of bonding and the surface of the optical member is examined, and Optical display of defects in the part itself (poor alignment, etc.) There are no waiting.

在上述習知技術中，為了檢測液晶面板之TFT等的液晶部之缺損以及異物進入到偏光膜與液晶面板之間等所引起之貼合不良等，於搬送線的中途，設置具有光源及線性CCD(直線式影像感測器)之檢查光學系統(自動檢查裝置)。檢查光學系統藉由掃描液晶面板的檢查面，且進行其拍攝與影像處理，來檢測前述缺損與貼合不良等之產品不良。 In the above-described conventional technique, in order to detect defects such as defects in the liquid crystal portion of the TFT or the like of the liquid crystal panel and adhesion between the polarizing film and the liquid crystal panel, the light source and the linear line are provided in the middle of the transport line. Inspection optical system (automatic inspection device) of CCD (Linear Image Sensor). The inspection optical system detects defects such as defects and poor bonding by scanning the inspection surface of the liquid crystal panel and performing imaging and image processing.

在此檢查步驟中，常常係一邊利用滾輪輸送機搬送液晶面板一邊檢測產品不良，由於液晶基板為硬質的玻璃板，並且滾輪輸送機的滾輪係隔著適當的間隔而排列，故液晶面板的前端續進到滾輪上時，液晶面板的前端觸碰到滾輪而容易產生振動。結果，尤其在使用穿透光之檢查部中，會有容易發生伴隨著振動之漏光引起之缺陷檢測的錯誤資訊之問題。另一方面，為了抑制前述振動的發生而思及了降低液晶面板的搬送速度，然而，此時會有檢查步驟的效率降低之問題。 In this inspection step, the product is often detected while transporting the liquid crystal panel by the roller conveyor. Since the liquid crystal substrate is a hard glass plate and the rollers of the roller conveyor are arranged at appropriate intervals, the front end of the liquid crystal panel When moving on to the roller, the front end of the LCD panel touches the roller and is prone to vibration. As a result, in particular, in the inspection portion using the transmitted light, there is a problem that error information accompanying the detection of the defect due to the light leakage of the vibration is likely to occur. On the other hand, in order to suppress the occurrence of the above-mentioned vibration, it is considered that the transport speed of the liquid crystal panel is lowered. However, at this time, there is a problem that the efficiency of the inspection step is lowered.

此外，以利用滾輪輸送機以外之搬送手段而言，專利文獻3所記載之搬送檢查裝置已為人所熟知。在此搬送檢查裝置中，使用旋轉框式的輸送機作為面板(液晶面板等之被檢查面板)的搬送手段。此旋轉框式的輸送機係指於與面板的搬送方向呈正交之方向配置一對旋轉框，且使連結板的兩端，以可沿著旋轉框移動之方式扣合到上述旋轉框。並且，旋轉框式的輸送機係將把持面板的前端 緣之把持體安裝在連結板，利用纜線驅動機構使連結板沿著旋轉框移動，藉以將把持體把持之面板朝一定方向搬送。 In addition, the conveyance inspection apparatus described in Patent Document 3 is well known as a conveyance means other than the roller conveyor. In this conveyance inspection apparatus, a rotary frame type conveyor is used as a conveyance means of a panel (inspected panel such as a liquid crystal panel). In the rotary frame type conveyor, a pair of rotating frames are disposed in a direction orthogonal to the conveying direction of the panel, and both ends of the connecting plate are engaged with the rotating frame so as to be movable along the rotating frame. Moreover, the rotating frame conveyor will hold the front end of the panel The edge holding body is attached to the connecting plate, and the connecting plate is moved along the rotating frame by the cable driving mechanism, thereby transporting the panel held by the holding body in a certain direction.

[先前技術文獻] [Previous Technical Literature] [專利文獻] [Patent Literature]

[專利文獻1]日本國專利第4079716號公報 [Patent Document 1] Japanese Patent No. 4079716

[專利文獻2]日本國專利第4307510號公報 [Patent Document 2] Japanese Patent No. 4307510

[專利文獻3]日本特開2001-305062號公報 [Patent Document 3] Japanese Patent Laid-Open Publication No. 2001-305062

但是，一邊利用滾輪輸送機搬送液晶面板一邊進行光學檢查時，如前述，面板的前端續進到滾輪上時產生振動，據此有產生缺陷檢測的錯誤資訊之問題。此外，使用如專利文獻3所示之旋轉框式的輸送機作為滾輪輸送機以外的搬送手段時，液晶面板的支撐狀態容易變得不穩定，故進行光學檢查時可能容易產生缺陷檢測的錯誤資訊。 However, when optical inspection is performed while conveying the liquid crystal panel by the roller conveyor, as described above, vibration occurs when the front end of the panel continues to the roller, and there is a problem that error information of defect detection occurs. In addition, when a rotating frame type conveyor as disclosed in Patent Document 3 is used as a conveying means other than the roller conveyor, the supporting state of the liquid crystal panel tends to be unstable, so that it is easy to cause error information of defect detection during optical inspection. .

本發明係鑑於上述問題而研創者，其目的係提供一種光學構件貼合面板之搬送檢查裝置及搬送檢查方法，一邊搬送光學構件貼合面板一邊進行光學檢查時，可抑制光學構件貼合面板的振動引起之缺陷檢測的錯誤資訊，且可實施效率佳的檢查。 The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a transport inspection device and a transport inspection method for an optical member bonding panel, and to suppress optical member bonding panels when performing optical inspection while transporting an optical member bonding panel. Error information for the detection of defects caused by vibration, and an efficient inspection can be performed.

為了解決上述課題，本發明的光學構件貼 合面板之搬送檢查裝置及搬送檢查方法具有以下所示之構成。 In order to solve the above problems, the optical member of the present invention is attached The conveyance inspection apparatus and the conveyance inspection method of the panel are as follows.

[1]一種光學構件貼合面板的搬送檢查裝置，其係一邊利用搬送裝置將光學構件貼合面板朝一定方向搬送，一邊利用配置在搬送路徑中途之光學檢查裝置進行前述光學構件貼合面板的檢查，前述搬送裝置係具備有上游側輸送機以及下游側輸送機，該上游側輸送機係將前述光學構件貼合面板搬送到前述光學檢查裝置之光學檢查位置，該下游側輸送機係從緊接於前述光學檢查位置之後起，將前述光學構件貼合面板予以搬送，至少前述下游側輸送機係由承載前述光學構件貼合面板之搬送面為平坦的平皮帶構成之平皮帶輸送機所構成。 [1] A conveyance inspection device for an optical member bonding panel, wherein the optical member bonding panel is conveyed in a predetermined direction by a conveyance device, and the optical member bonding panel is performed by an optical inspection device disposed in the middle of the conveyance path. In the inspection, the conveying device includes an upstream conveyor and a downstream conveyor, and the upstream conveyor conveys the optical member bonding panel to an optical inspection position of the optical inspection device, and the downstream conveyor is tight The optical member bonding panel is transported after the optical inspection position, and at least the downstream conveyor is composed of a flat belt conveyor that is a flat belt that carries the flat surface of the optical member bonding panel. .

[2]在[1]所記載之光學構件貼合面板之搬送檢查裝置中，前述上游側輸送機係由滾輪輸送機所構成。 [2] The transport inspection device for an optical member bonding panel according to [1], wherein the upstream conveyor is constituted by a roller conveyor.

[3]在[1]所記載之光學構件貼合面板之搬送檢查裝置中，前述上游側輸送機係由與前述下游側輸送機相同的平皮帶輸送機所構成，且至少於構成前述上游側輸送機之平皮帶輸送機的佈局區域，確保有可由前述光學檢查裝置進行光學檢查的空間。 [3] The transport inspection device for an optical member bonding panel according to [1], wherein the upstream conveyor is configured by a flat belt conveyor similar to the downstream conveyor, and at least constitutes the upstream side The layout area of the flat belt conveyor of the conveyor ensures a space for optical inspection by the aforementioned optical inspection device.

[4]一種光學構件貼合面板的搬送檢查方法，其係一邊將光學構件貼合面板朝一定方向搬送，且一邊利用配置在搬送路徑中途之光學檢查裝置進行前述光學構件貼合面板的檢查，前述光學構件貼合面板之搬送步驟係包含上游側搬送步驟與下游側搬送步驟，該上游側搬送步驟係 將前述光學構件貼合面板搬送到前述光學檢查裝置之光學檢查位置，該下游側搬送步驟係從緊接於前述光學檢查位置之後起，將前述光學構件貼合面板予以搬送，至少前述下游側搬送步驟係由承載前述光學構件貼合面板之搬送面為平坦的平皮帶構成之平皮帶輸送機所進行的搬送步驟。 [4] A method of transporting an optical member bonding panel, wherein the optical member bonding panel is transported in a predetermined direction, and the optical member bonding panel is inspected by an optical inspection device disposed in the middle of the transport path. The transport step of the optical member bonding panel includes an upstream side transporting step and a downstream side transporting step, and the upstream side transporting step is The optical member bonding panel is transported to an optical inspection position of the optical inspection apparatus, and the downstream side transporting step transports the optical member bonding panel from immediately after the optical inspection position, and at least the downstream side conveyance The step is a transport step performed by a flat belt conveyor comprising a flat belt having a flat conveying surface of the optical member bonding panel.

再者，在本發明中所說明之緊接於光學檢查位置之後，係指較光學檢查位置更靠近光學構件貼合面板的搬送方向下游側，並且在光學檢查位置之附近的位置。 In addition, immediately after the optical inspection position described in the present invention means a position closer to the downstream side in the transport direction of the optical member bonding panel than the optical inspection position, and in the vicinity of the optical inspection position.

依據本發明，光學構件貼合面板的前端一通過光學檢查位置之後，立即被轉送到平皮帶上，而在利用該平皮帶搬送光學構件貼合面板期間，幾乎不再產生轉送引起的振動。藉此方式，將如使用有滾輪輸送機的情況，因每在光學構件貼合面板的前端被轉送到滾輪上時發生振動而產生缺陷錯誤資訊之現象予以抑制。 According to the present invention, the front end of the optical member bonding panel is immediately transferred to the flat belt after passing through the optical inspection position, and the vibration caused by the transfer is hardly generated during the bonding of the panel by the flat belt conveying optical member. In this way, if a roller conveyor is used, the phenomenon of occurrence of defect error information is generated every time the vibration is generated when the front end of the optical member bonding panel is transferred to the roller.

1‧‧‧膜貼合系統 1‧‧‧ film bonding system

5‧‧‧輸送機 5‧‧‧Conveyor

6‧‧‧上游側輸送機 6‧‧‧Upstream conveyor

7‧‧‧下游側輸送機 7‧‧‧ downstream conveyor

11‧‧‧第1吸附裝置 11‧‧‧1st adsorption device

11a‧‧‧面板保持部 11a‧‧‧ Panel Holder

11b‧‧‧對準照相機 11b‧‧‧Aligning the camera

12‧‧‧第1集塵裝置 12‧‧‧1st dust collecting device

13‧‧‧第1貼合裝置 13‧‧‧1st bonding device

14‧‧‧第1偏差檢查裝置 14‧‧‧1st deviation inspection device

14a、18a‧‧‧照相機 14a, 18a‧‧‧ camera

15‧‧‧第1反轉裝置 15‧‧‧1st reversal device

15a‧‧‧轉動軸 15a‧‧‧Rotary axis

15b‧‧‧反轉臂 15b‧‧‧Reverse arm

15c‧‧‧對準照相機 15c‧‧ aligning the camera

16‧‧‧第2集塵裝置 16‧‧‧2nd dust collecting device

17‧‧‧第2貼合裝置 17‧‧‧2nd bonding device

18‧‧‧第2偏差檢查裝置 18‧‧‧2nd deviation inspection device

19‧‧‧第2反轉裝置 19‧‧‧2nd reversal device

20‧‧‧第2吸附裝置 20‧‧‧2nd adsorption device

22‧‧‧搬送裝置 22‧‧‧Transporting device

22a‧‧‧滾筒保持部 22a‧‧‧Roller Holder

22b‧‧‧導引滾輪 22b‧‧‧guide wheel

22c‧‧‧切斷裝置 22c‧‧‧cutting device

22d‧‧‧刀緣 22d‧‧‧Knife Edge

22e‧‧‧捲繞部 22e‧‧‧Winding Department

23‧‧‧擠壓滾筒 23‧‧‧Squeeze roller

23a‧‧‧貼合滾筒 23a‧‧‧Adhesive roller

24‧‧‧自由滾輪輸送機 24‧‧‧Free roller conveyor

26‧‧‧吸附墊片 26‧‧‧Adsorption gasket

30‧‧‧缺陷檢查裝置(光學檢查裝置) 30‧‧‧ Defect inspection device (optical inspection device)

31‧‧‧第1檢查單元 31‧‧‧1st inspection unit

32‧‧‧第2檢查單元 32‧‧‧2nd inspection unit

33‧‧‧第3檢查單元 33‧‧‧3rd inspection unit

40‧‧‧控制部 40‧‧‧Control Department

50‧‧‧搬送檢查裝置 50‧‧‧Transportation inspection device

60‧‧‧搬送裝置 60‧‧‧Transporting device

61‧‧‧上游側輸送機 61‧‧‧Upstream conveyor

61A‧‧‧滾輪輸送機 61A‧‧‧Roller conveyor

61B‧‧‧滾輪 61B‧‧‧Roller

62‧‧‧下游側輸送機 62‧‧‧ downstream conveyor

62A‧‧‧平皮帶輸送機 62A‧‧‧ flat belt conveyor

71‧‧‧平皮帶 71‧‧‧ flat belt

72、73‧‧‧滾筒 72, 73‧‧‧ Roller

74‧‧‧驅動滾筒 74‧‧‧ drive roller

75‧‧‧支撐滾筒 75‧‧‧Support roller

76‧‧‧張力滾筒 76‧‧‧Tensile roller

77‧‧‧驅動馬達 77‧‧‧Drive motor

78‧‧‧張力機構 78‧‧‧ Tension mechanism

311、321‧‧‧照明光源 311, 321‧‧‧ illumination source

312、322‧‧‧拍攝裝置 312, 322‧‧ ‧ camera

331‧‧‧照明光源 331‧‧‧Light source

332‧‧‧第1拍攝裝置 332‧‧‧1st camera

333‧‧‧第2拍攝裝置 333‧‧‧2nd camera

A‧‧‧箭視方向 A‧‧‧Arrow direction

F‧‧‧光學片 F‧‧‧ optical film

F1‧‧‧光學構件 F1‧‧‧Optical components

F2‧‧‧黏著層 F2‧‧‧Adhesive layer

F3‧‧‧分離膜 F3‧‧‧Separation membrane

F4‧‧‧表面保護膜 F4‧‧‧Surface protection film

F5‧‧‧貼合片 F5‧‧‧Fitting film

F6‧‧‧偏光板 F6‧‧‧ polarizing plate

F7‧‧‧第1膜 F7‧‧‧1st film

F8‧‧‧第2膜 F8‧‧‧2nd film

K‧‧‧光學檢查位置 K‧‧‧ Optical inspection position

P‧‧‧液晶面板 P‧‧‧ LCD panel

P1‧‧‧第1基板 P1‧‧‧1st substrate

P2‧‧‧第2基板 P2‧‧‧2nd substrate

P3‧‧‧液晶層 P3‧‧‧ liquid crystal layer

P4‧‧‧顯示區域 P4‧‧‧ display area

P11‧‧‧單面貼合面板 P11‧‧‧Single-sided fitting panel

P12‧‧‧兩面貼合面板(光學構件貼合面板) P12‧‧‧Two-sided fitting panel (optical member fitting panel)

R‧‧‧滑軌 R‧‧‧rails

R1‧‧‧原料滾筒 R1‧‧‧Material Roller

R2‧‧‧分離膜滾筒 R2‧‧‧Separation membrane roller

S‧‧‧止擋器 S‧‧‧stopper

S1‧‧‧搬送方向 S1‧‧‧Transfer direction

Sf1‧‧‧第1主面 Sf1‧‧‧1st main face

Sf2‧‧‧第2主面 Sf2‧‧‧2nd main face

第1圖係顯示包含本發明的一實施形態之光學構件貼合面板的搬送檢查裝置之光學構件貼合面板的製造裝置之示意圖。 1 is a schematic view showing a manufacturing apparatus of an optical member bonding panel including a conveyance inspection device of an optical member bonding panel according to an embodiment of the present invention.

第2圖係第1圖的A箭視方向所見的圖。 Fig. 2 is a view seen in the direction of arrow A of Fig. 1.

第3圖係液晶面板的平面圖。 Fig. 3 is a plan view of a liquid crystal panel.

第4圖係偏光膜片的剖面圖。 Fig. 4 is a cross-sectional view of a polarizing film.

第5圖係示意性地顯示實施形態的搬送檢查裝置之側 視圖。 Fig. 5 is a view schematically showing the side of the conveyance inspection device of the embodiment view.

第6圖係示意性地顯示實施形態的搬送檢查裝置之平面圖。 Fig. 6 is a plan view schematically showing the conveyance inspection device of the embodiment.

第7圖係顯示搬送檢查裝置中之平皮帶輸送機的構成之側視圖。 Fig. 7 is a side view showing the configuration of a flat belt conveyor in the conveyance inspection device.

第8圖示意性地顯示光學檢查裝置之側視圖。 Fig. 8 is a view schematically showing a side view of the optical inspection apparatus.

以下，一邊參照圖式一邊說明本發明的實施形態，惟本發明不限定於以下的實施形態。此外，在以下所有的圖式中，為了容易觀看圖式，適當地改變各構成要素的尺寸與比率等。再者，在以下的說明及圖式中，對於相同或相當之要素標示相同的符號，並省略重複的說明。 Hereinafter, embodiments of the present invention will be described with reference to the drawings, but the present invention is not limited to the following embodiments. In addition, in all of the following drawings, the size, ratio, and the like of each constituent element are appropriately changed in order to facilitate viewing of the drawings. In the following description and the drawings, the same or corresponding elements are designated by the same reference numerals, and the repeated description is omitted.

在以下的說明中，視需要而設定XYZ正交座標系，且一邊參照此XYZ正交座標系一邊就各構件的位置關係加以說明。在本實施形態中，將光學顯示零件之液晶面板的搬送方向設為X方向，且將在液晶面板的面內與X方向呈正交之方向(液晶面板的寬方向)設為Y方向，而將與X方向及Y方向呈正交之方向設為Z方向。在此，X方向與Y方向係在水平面內，Z方向係鉛直方向(上下方向)。 In the following description, the XYZ orthogonal coordinate system is set as needed, and the positional relationship of each member will be described with reference to the XYZ orthogonal coordinate system. In the present embodiment, the transport direction of the liquid crystal panel of the optical display component is set to the X direction, and the direction orthogonal to the X direction (the width direction of the liquid crystal panel) in the plane of the liquid crystal panel is set to the Y direction. The direction orthogonal to the X direction and the Y direction is defined as the Z direction. Here, the X direction and the Y direction are in the horizontal plane, and the Z direction is in the vertical direction (up and down direction).

以下，參照圖式就包含本發明的一實施形態之搬送檢查裝置之光學構件貼合面板的製造裝置之膜貼合系統1加以說明。 Hereinafter, a film bonding system 1 including a manufacturing apparatus of an optical member bonding panel of a conveyance inspection device according to an embodiment of the present invention will be described with reference to the drawings.

第1圖係顯示本實施形態的膜貼合系統1之概略構成 圖。 Fig. 1 is a view showing the schematic configuration of a film bonding system 1 of the present embodiment. Figure.

膜貼合系統1係例如於液晶面板、有機EL面板等的面板狀之光學顯示零件上，貼合偏光膜、反射防止膜、光擴散膜等膜狀之光學構件。 The film bonding system 1 is a film-shaped optical member such as a polarizing film, an antireflection film, or a light diffusion film, for example, on a panel-shaped optical display component such as a liquid crystal panel or an organic EL panel.

此外，在本實施形態中，例示液晶面板P作為前述光學顯示零件，且例示將貼合片F5貼合在液晶面板P的表背兩面而形成之兩面貼合面板P12作為光學構件貼合面板，惟本發明不限定於此。此外，就液晶面板P的大小而言，最好是30英吋(457mm×609mm)以上，而通常在100英吋(1524mm×2032mm)以下。並且，液晶面板P的厚度通常是1.2mm以下，且通常在0.5mm以上。 In the present embodiment, the liquid crystal panel P is exemplified as the optical display component, and the double-sided bonding panel P12 formed by bonding the bonding sheet F5 to the front and back surfaces of the liquid crystal panel P is exemplified as an optical member bonding panel. However, the invention is not limited thereto. Further, the size of the liquid crystal panel P is preferably 30 inches (457 mm × 609 mm) or more, and is usually 100 inches (1524 mm × 2032 mm) or less. Further, the thickness of the liquid crystal panel P is usually 1.2 mm or less, and is usually 0.5 mm or more.

如第1圖所示，本實施形態之膜貼合系統1係設置作為液晶面板P之生產線的一步驟。膜貼合系統1之各部分係透過電子控制裝置之控制部40來進行綜合控制。 As shown in Fig. 1, the film bonding system 1 of the present embodiment is a step of providing a production line of the liquid crystal panel P. Each part of the film bonding system 1 is integrated and controlled by the control unit 40 of the electronic control unit.

第2圖係第1圖所示之A箭視方向所見的圖。 Fig. 2 is a view seen in the direction of arrow A shown in Fig. 1.

如第2圖所示，本實施形態之膜貼合系統1係對於液晶面板P的搬送方向，於中途將液晶面板P的姿態反轉90°。膜貼合系統1係於液晶面板P的表背面，貼合偏光軸相互朝向正交的方向之偏光膜(第4圖所示之光學構件F1)。 As shown in FIG. 2, the film bonding system 1 of the present embodiment reverses the posture of the liquid crystal panel P by 90° in the middle of the conveyance direction of the liquid crystal panel P. The film bonding system 1 is attached to the front and back surfaces of the liquid crystal panel P, and a polarizing film (optical member F1 shown in FIG. 4) in which the polarization axes are orthogonal to each other is bonded.

第3圖係從液晶層P3的厚度方向觀看液晶面板P的平面圖。液晶面板P係具備第1基板P1、第2基板P2以及液晶層P3。第1基板P1從平面來看係呈長方形。 第2基板P2係與第1基板P1相對向配置，且呈比第1基板P1更小的長方形。液晶層P3係被封入在第1基板P1與第2基板P2之間。液晶面板P從平面來看係形成為比照具有長邊與短邊之第1基板P1的外形之長方形，而將從平面來看落在液晶層P3外周的內側之區域設為顯示區域P4。 Fig. 3 is a plan view of the liquid crystal panel P as viewed from the thickness direction of the liquid crystal layer P3. The liquid crystal panel P includes a first substrate P1, a second substrate P2, and a liquid crystal layer P3. The first substrate P1 has a rectangular shape in plan view. The second substrate P2 is disposed to face the first substrate P1 and has a smaller rectangular shape than the first substrate P1. The liquid crystal layer P3 is sealed between the first substrate P1 and the second substrate P2. The liquid crystal panel P is formed in a rectangular shape in which the outer shape of the first substrate P1 having the long sides and the short sides is formed in a plan view, and a region falling inside the outer periphery of the liquid crystal layer P3 as viewed in plan is referred to as a display region P4.

第4圖係包含貼合於液晶面板P之光學構件F1的光學片F之剖面圖。在第4圖中，方便上，省略剖面圖之各層的剖面網點。 Fig. 4 is a cross-sectional view of the optical sheet F including the optical member F1 attached to the liquid crystal panel P. In Fig. 4, in the convenience, the section dots of the respective layers of the sectional view are omitted.

如第4圖所示，光學片F係具有：膜狀之前述光學構件F1；黏著層F2，係設置在光學構件F1之一方的面(在第4圖為上面)；分離膜F3，係隔著黏著層F2而以可分離之方式積層在光學構件F1之一方的面；以及表面保護膜F4，係積層在光學構件F1之另一方的面(在第4圖為下面)。光學構件F1係作為偏光板而發揮功能，且被貼合在遍及液晶面板P之顯示區域P4的整個區域及其周邊區域。 As shown in Fig. 4, the optical sheet F has the film-shaped optical member F1, and the adhesive layer F2 is provided on one surface of the optical member F1 (upper in Fig. 4); the separation film F3 is separated. The surface of the optical member F1 is detachably laminated on the surface of the optical member F1, and the surface protective film F4 is laminated on the other surface of the optical member F1 (the lower side in FIG. 4). The optical member F1 functions as a polarizing plate and is bonded to the entire region of the display region P4 of the liquid crystal panel P and its peripheral region.

光學構件F1係在一方的面殘留黏著層F2且將分離膜F3分離之狀態下，隔著黏著層F2被貼合在液晶面板P。以下，將從光學片F去除掉分離膜F3之部分稱為貼合片F5。 In the state in which the adhesive layer F2 remains on one surface and the separation film F3 is separated, the optical member F1 is bonded to the liquid crystal panel P via the adhesive layer F2. Hereinafter, a portion from which the separation film F3 is removed from the optical sheet F is referred to as a bonding sheet F5.

分離膜F3係保護黏著層F2及光學構件F1，直到從黏著層F2分離為止。表面保護膜F4係與光學構件F1一起被貼合在液晶面板P。表面保護膜F4係相對於光學構件F1而言，被配置在液晶面板P的相反側以保護光學構件F1，並且於預定的時點從光學構件F1被分離。 此外，亦可為光學片F不包含表面保護膜F4之構成，或表面保護膜F4不從光學構件F1分離之構成等。 The separation membrane F3 protects the adhesive layer F2 and the optical member F1 until it is separated from the adhesive layer F2. The surface protective film F4 is bonded to the liquid crystal panel P together with the optical member F1. The surface protective film F4 is disposed on the opposite side of the liquid crystal panel P with respect to the optical member F1 to protect the optical member F1, and is separated from the optical member F1 at a predetermined timing. Further, the optical sheet F may not include the surface protective film F4, or the surface protective film F4 may not be separated from the optical member F1.

光學構件F1係具有：板狀的偏光板F6；第1膜F7，係利用接著劑等接合在偏光板F6之一方的面；以及第2膜F8，係利用接著劑等接合在偏光板F6之另一方的面。第1膜F7及第2膜F8例如為保護偏光板F6之保護膜。 The optical member F1 has a plate-shaped polarizing plate F6; the first film F7 is bonded to one surface of the polarizing plate F6 by an adhesive or the like; and the second film F8 is bonded to the polarizing plate F6 by an adhesive or the like. The other side. The first film F7 and the second film F8 are, for example, protective films for protecting the polarizing plate F6.

再者，光學構件F1可為一層光學層所構成之單層構造，亦可為相互積層有複數層光學層之積層構造。前述光學層係除了偏光板F6之外，亦可為相位差膜與提高亮度膜等。第1膜F7與第2膜F8之至少一方，亦可施加保護液晶顯示元件的最外面之硬塗層處理、或施以可得到包含遮光處理的防眩等之效果的表面處理。光學構件F1亦可不包含第1膜F7與第2膜F8之至少一方。例如省略第1膜F7時，亦可隔著黏著層F2將分離膜F3貼合於光學構件F1之一方的面。 Furthermore, the optical member F1 may have a single layer structure composed of one optical layer, or may have a laminated structure in which a plurality of optical layers are laminated to each other. The optical layer may be a retardation film, a brightness enhancement film, or the like in addition to the polarizing plate F6. At least one of the first film F7 and the second film F8 may be subjected to a surface treatment for protecting the outermost hard coat layer of the liquid crystal display element or applying an effect of providing anti-glare or the like including a light-shielding treatment. The optical member F1 may not include at least one of the first film F7 and the second film F8. For example, when the first film F7 is omitted, the separation film F3 may be bonded to one surface of the optical member F1 via the adhesive layer F2.

其次，就本實施形態之膜貼合系統1，加以詳細說明。 Next, the film bonding system 1 of the present embodiment will be described in detail.

第1圖所示，本實施形態之膜貼合系統1係具備輸送機(搬送裝置)5，該輸送機5係從圖中右側的液晶面板P之搬送方向上游側(正X方向側)直到圖中左側的液晶面板P之搬送方向下游側(負X方向側)，以水平狀態搬送液晶面板P。輸送機5係於之後加以詳述，而直到光學檢查位置為止，幾乎大部分由滾輪輸送機所構成，而從緊接於光學 檢查位置之後，係一部分由平皮帶輸送機所構成。 As shown in Fig. 1, the film bonding system 1 of the present embodiment includes a conveyor (transporting device) 5 which is from the upstream side (positive X direction side) of the liquid crystal panel P on the right side in the drawing until In the downstream direction (negative X direction side) of the transport direction of the liquid crystal panel P on the left side of the figure, the liquid crystal panel P is conveyed in a horizontal state. The conveyor 5 is detailed later, and until the optical inspection position, almost all of it consists of a roller conveyor, and from the optical After checking the position, part of it is made up of a flat belt conveyor.

輸送機5係以後述之第1反轉裝置15作為交界，區分為上游側輸送機6與下游側輸送機7。如第2圖所示，在上游側輸送機6中，液晶面板P係以顯示區域P4的短邊(或長邊)沿著搬送方向之方式予以搬送。另一方面，在下游側輸送機7中，液晶面板P係以顯示區域P4的長邊(或短邊)沿著搬送方向之方式予以搬送。將從帶狀的前述光學片F切出預定長度之貼合片F5，貼合於此液晶面板P的表背面。 The conveyor 5 is divided into the upstream conveyor 6 and the downstream conveyor 7 as a boundary between the first reversing device 15 described later. As shown in Fig. 2, in the upstream conveyor 6, the liquid crystal panel P is conveyed so that the short side (or the long side) of the display area P4 is along the conveyance direction. On the other hand, in the downstream conveyor 7, the liquid crystal panel P is conveyed so that the long side (or short side) of the display area P4 may be along the conveyance direction. The bonding sheet F5 of a predetermined length is cut out from the strip-shaped optical sheet F, and bonded to the front and back surfaces of the liquid crystal panel P.

此外，上游側輸送機6係在後述之第1吸附裝置11中，具備獨立於下游側之自由滾輪輸送機24。另一方面，下游側輸送機7係在後述之第2吸附裝置20中，具備獨立於下游側之自由滾輪輸送機24。 Further, the upstream conveyor 6 is provided in a first adsorption device 11 to be described later, and includes a free roller conveyor 24 that is independent of the downstream side. On the other hand, the downstream conveyor 7 is provided with a free roller conveyor 24 which is independent of the downstream side in the second adsorption device 20 which will be described later.

本實施形態之膜貼合系統1係具備：第1吸附裝置11、第1集塵裝置12、第1貼合裝置13、第1偏差檢查裝置14、第1反轉裝置15、第2集塵裝置16、第2貼合裝置17、第2偏差檢查裝置18、第2反轉裝置19、第2吸附裝置20、缺陷檢查裝置(光學檢查裝置)30以及控制部40。 The film bonding system 1 of the present embodiment includes the first adsorption device 11, the first dust collecting device 12, the first bonding device 13, the first deviation inspection device 14, the first inverting device 15, and the second dust collecting device. The device 16, the second bonding device 17, the second deviation inspection device 18, the second inverting device 19, the second adsorption device 20, the defect inspection device (optical inspection device) 30, and the control unit 40.

第1吸附裝置11係吸附液晶面板P並搬送到上游側輸送機6，並且進行液晶面板P的對準(定位)。第1吸附裝置11係具有：面板保持部11a、對準照相機11b、以及滑軌R。 The first adsorption device 11 adsorbs the liquid crystal panel P and transports it to the upstream conveyor 6 to perform alignment (positioning) of the liquid crystal panel P. The first adsorption device 11 includes a panel holding portion 11a, an alignment camera 11b, and a slide rail R.

面板保持部11a係將來自上游側輸送機6 而靠接於下游側的止擋器S之液晶面板P，以可移動於上下方向及水平方向之方式予以保持，並且進行液晶面板P的對準。面板保持部11a係透過真空吸附，將靠接於止擋器S之液晶面板P的上面予以吸附保持。面板保持部11a係在吸附保持液晶面板P之狀態下，於滑軌R上移動且搬送液晶面板P。面板保持部11a係於上述搬送結束時，將前述吸附保持解除，且將液晶面板P送到自由滾輪輸送機24。 The panel holding portion 11a will be from the upstream side conveyor 6 On the other hand, the liquid crystal panel P of the stopper S abutting on the downstream side is held so as to be movable in the vertical direction and the horizontal direction, and the liquid crystal panel P is aligned. The panel holding portion 11a is suction-held by vacuum suction to hold the upper surface of the liquid crystal panel P that is in contact with the stopper S. The panel holding portion 11a moves on the slide rail R and conveys the liquid crystal panel P while sucking and holding the liquid crystal panel P. The panel holding portion 11a releases the suction and holds the liquid crystal panel P to the free roller conveyor 24 when the conveyance is completed.

對準照相機11b係在面板保持部11a保持靠接於止擋器S之液晶面板P且上升之狀態下，拍攝液晶面板P的對準記號、前端形狀等。對準照相機11b之拍攝資料係傳送到控制部40，且根據此拍攝資料，面板保持部11a作動而進行對於搬送目的之自由滾輪輸送機24之液晶面板P的對準。亦即，液晶面板P係在已考量對於自由滾輪輸送機24之搬送方向、與搬送方向正交之方向、以及液晶面板P之垂直軸周圍的旋轉方向的偏差程度之狀態下，被搬送到自由滾輪輸送機24。 The alignment camera 11b captures the alignment mark, the front end shape, and the like of the liquid crystal panel P while the panel holding portion 11a is held by the liquid crystal panel P of the stopper S and is raised. The photographing data of the alignment camera 11b is transmitted to the control unit 40, and based on the photographing data, the panel holding portion 11a is actuated to perform alignment of the liquid crystal panel P of the free roller conveyor 24 for the purpose of transport. In other words, the liquid crystal panel P is transported to the state in consideration of the degree of deviation between the direction of transport of the free roller conveyor 24, the direction orthogonal to the transport direction, and the direction of rotation around the vertical axis of the liquid crystal panel P. Roller conveyor 24.

在此，利用面板保持部11a在滑軌R上搬送之液晶面板P係在被吸附墊片26吸附之狀態下，前端部與後述之貼合片F5一起被擠壓滾筒23夾持。 Here, the liquid crystal panel P conveyed by the panel holding portion 11a on the slide rail R is sucked by the suction pad 26, and the tip end portion is sandwiched by the pressing roller 23 together with the bonding sheet F5 which will be described later.

第1集塵裝置12係設置在第1貼合裝置13的貼合位置之擠壓滾筒23之液晶面板P的搬送上游側。第1集塵裝置12係為了將被導入到貼合位置前之液晶面板P周邊的塵埃，尤其是下面側的塵埃予以去除，而進行靜電 的消除及集塵。 The first dust collecting device 12 is provided on the upstream side of the liquid crystal panel P of the pressing drum 23 at the bonding position of the first bonding device 13 . The first dust collecting device 12 performs static electricity in order to remove dust around the liquid crystal panel P before being introduced to the bonding position, in particular, dust on the lower side. Elimination and dust collection.

第1貼合裝置13係設置在較第1吸附裝置11更靠近面板搬送下游側。第1貼合裝置13係對於被導入到貼合位置之液晶面板P的下面，進行切割成預定大小之貼合片F5的貼合。 The first bonding apparatus 13 is provided closer to the panel transport downstream side than the first adsorption apparatus 11. The first bonding apparatus 13 is bonded to the lower surface of the liquid crystal panel P that is introduced to the bonding position, and is bonded to the bonding sheet F5 of a predetermined size.

第1貼合裝置13係具備搬送裝置22以及擠壓滾筒23。 The first bonding apparatus 13 includes a conveying device 22 and a pressing drum 23 .

搬送裝置22係從捲繞有光學片F之原料滾筒R1捲出光學片F，且將光學片F沿著其長邊方向搬送。搬送裝置22係以分離膜F3作為載體來搬送貼合片F5。搬送裝置22係具有滾筒保持部22a、複數個導引滾輪22b、切斷裝置22c、及刀緣22d、以及捲繞部22e。 The transport device 22 winds up the optical sheet F from the material roll R1 around which the optical sheet F is wound, and transports the optical sheet F along the longitudinal direction thereof. The conveying device 22 conveys the bonding sheet F5 using the separation film F3 as a carrier. The conveying device 22 includes a drum holding portion 22a, a plurality of guide rollers 22b, a cutting device 22c, a blade edge 22d, and a winding portion 22e.

滾筒保持部22a係將捲繞有帶狀的光學片F之原料滾筒R1予以保持，並且將光學片F沿著其長邊方向捲出。 The roller holding portion 22a holds the material roll R1 around which the strip-shaped optical sheet F is wound, and winds the optical sheet F in the longitudinal direction thereof.

複數個導引滾輪22b係捲附於光學片F以引導從原料滾筒R1捲出之光學片F沿著預定的搬送路徑。 A plurality of guide rollers 22b are attached to the optical sheet F to guide the optical sheet F taken up from the stock roll R1 along a predetermined transport path.

切斷裝置22c係對於在搬送路徑上的光學片F施以半切割。 The cutting device 22c applies a half cut to the optical sheet F on the transport path.

刀緣22d係將施有半切割之光學片F捲附成銳角而使貼合片F5從分離膜F3分離，且將此貼合片F5供應到貼合位置。 The blade edge 22d is formed by attaching the half-cut optical sheet F to an acute angle to separate the bonding sheet F5 from the separation film F3, and supplying the bonding sheet F5 to the bonding position.

捲繞部22e係保持用以捲收經由刀緣22d而成為單獨個體之分離膜F3之分離膜滾筒R2。 The winding portion 22e holds a separation film roll R2 for winding up the separation film F3 which is a separate body via the blade edge 22d.

位於搬送裝置22的起點之滾筒保持部22a與位於搬送裝置22的終點之捲繞部22e係例如相互同步地驅動。藉此，滾筒保持部22a係將光學片F朝其搬送方向捲出的同時，捲繞部22e係將經由刀緣22d之分離膜F3捲收。以下，將搬送裝置22中之光學片F(分離膜F3)的搬送方向上游側稱為片搬送上游側，而將搬送方向下游側稱為片搬送下游側。 The roller holding portion 22a located at the starting point of the conveying device 22 and the winding portion 22e located at the end point of the conveying device 22 are driven in synchronization with each other, for example. Thereby, the roller holding portion 22a winds up the optical sheet F in the conveyance direction, and the winding portion 22e is wound up through the separation film F3 of the blade edge 22d. Hereinafter, the upstream side in the transport direction of the optical sheet F (separation film F3) in the transport device 22 is referred to as a sheet transport upstream side, and the downstream side in the transport direction is referred to as a sheet transport downstream side.

各導引滾輪22b係使搬送中的光學片F之前進方向沿著搬送路徑變化，並且以複數個導引滾輪22b之至少一部分調整搬送中的光學片F的張力之方式而可移動。 Each of the guide rollers 22b is configured to move the optical sheet F in the forward direction along the transport path, and to move the tension of the optical sheet F during transport by adjusting at least a part of the plurality of guide rollers 22b.

再者，於滾筒保持部22a與切斷裝置22c之間，亦可配置未圖示之躍動滾筒。躍動滾筒係於利用切斷裝置22c切斷光學片F之間，吸收從滾筒保持部22a搬送之光學片F的捲出量。 Further, a jump roller (not shown) may be disposed between the drum holding portion 22a and the cutting device 22c. The oscillating roller is used to cut between the optical sheets F by the cutting device 22c, and absorbs the amount of winding of the optical sheet F conveyed from the roller holding portion 22a.

切斷裝置22c係於光學片F捲出預定長度之際，遍及與光學片F的長邊方向正交之寬度方向的整個寬度，進行切斷光學片F之厚度方向的一部分之半切割。 When the optical sheet F is wound up by a predetermined length, the cutting device 22c cuts a part of the thickness of the optical sheet F in the thickness direction over the entire width in the width direction orthogonal to the longitudinal direction of the optical sheet F.

切斷裝置22c係以不會因為作用於光學片F的搬送中之張力使得光學片F(分離膜F3)斷裂之方式(在分離膜F3殘留預定厚度之方式)，調整切斷刃的進退位置，施加前述半切割直到黏著層F2與分離膜F3的界面附近為止。此外，亦可使用雷射裝置取代切斷刃。 The cutting device 22c adjusts the advancement and retreat position of the cutting blade in such a manner that the optical sheet F (separation film F3) is not broken due to the tension in the transport of the optical sheet F (the separation film F3 remains in a predetermined thickness). The aforementioned half cut is applied until the vicinity of the interface between the adhesive layer F2 and the separation film F3. In addition, a laser device can be used instead of the cutting blade.

半切割後之光學片F中，藉由於其厚度方 向切斷光學構件F1及表面保護膜F4，而形成跨越光學片F之寬度方向的整個寬度之切線。切線係以在帶狀的光學片F之長邊方向排列複數條之方式形成。例如搬送相同大小的液晶面板P之貼合步驟的情況，複數條切線係在光學片F之長邊方向等間隔地形成。光學片F係透過前述複數條切線在長邊方向被區分為複數個區域。在光學片F之長邊方向相鄰之一對切線之間的區域係分別作為貼合片F5中之一個板片。 In the half-cut optical sheet F, due to its thickness The optical member F1 and the surface protective film F4 are cut to form a tangent across the entire width of the optical sheet F in the width direction. The tangent is formed by arranging a plurality of strips in the longitudinal direction of the strip-shaped optical sheet F. For example, in the case of a bonding step of transporting the liquid crystal panel P of the same size, a plurality of tangential lines are formed at equal intervals in the longitudinal direction of the optical sheet F. The optical sheet F is divided into a plurality of regions in the longitudinal direction by the plurality of tangent lines. The area between the pair of tangent lines adjacent to each other in the longitudinal direction of the optical sheet F is respectively one of the sheets of the bonding sheet F5.

刀緣22d係配置在上游側輸送機6的下方，且延伸在光學片F的寬度方向至少遍及其整個寬度。刀緣22d係以滑動接合於半切割後之光學片F的分離膜F3側之方式而將其捲附。 The blade edge 22d is disposed below the upstream side conveyor 6, and extends over at least the entire width of the optical sheet F in the width direction. The blade edge 22d is wound by being slidably joined to the side of the separation film F3 of the half-cut optical sheet F.

刀緣22d係具有：第1面，係從光學片F的寬度方向(上游側輸送機6之寬度方向)來看，配置成下傾的姿態；第2面，係在第1面之上方，從光學片F之寬度方向來看，與第1面配置成銳角；以及第1面及第2面交界之前端部。 The blade edge 22d has a first surface which is disposed in a downwardly inclined posture as viewed in the width direction of the optical sheet F (the width direction of the upstream conveyor 6), and the second surface is above the first surface. When viewed from the width direction of the optical sheet F, the first surface is disposed at an acute angle; and the first surface and the second surface are at an end portion before the boundary.

刀緣22d係在其前端部將光學片F捲附成銳角。光學片F於刀緣22d的前端部以銳角回折時，使貼合片F5的板片從分離膜F3分離。刀緣22d係配置在擠壓滾筒23的面板搬送上游側，並且刀緣22d的尖端部係配置接近於擠壓滾筒23的面板搬送下游側。透過刀緣22d從分離膜F3分離之貼合片F5係重疊在被吸附於第1吸附裝置11之狀態的液晶面板P之下面，且被導入到擠壓滾筒23之一 對貼合滾筒23a間。 The blade edge 22d winds the optical sheet F at an acute angle at its front end portion. When the optical sheet F is folded back at an acute angle at the front end portion of the blade edge 22d, the sheet of the bonding sheet F5 is separated from the separation film F3. The blade edge 22d is disposed on the panel conveyance upstream side of the squeeze roller 23, and the tip end portion of the blade edge 22d is disposed close to the panel conveyance downstream side of the squeeze roller 23. The bonding sheet F5 separated from the separation film F3 by the blade edge 22d is superposed on the lower surface of the liquid crystal panel P adsorbed to the first adsorption device 11, and is introduced into one of the squeeze rollers 23. Between the bonding rollers 23a.

擠壓滾筒23係將搬送裝置22從光學片F分離之預定長度的貼合片F5，貼合於由上游側輸送機6所搬送之液晶面板P的下面。擠壓滾筒23係具有相互平行於軸方向而配置之一對貼合滾筒23a、23a(上面的貼合滾筒23a係於上下方向移動)。於一對貼合滾筒23a、23a間形成預定的間隙，此間隙內係成為第1貼合裝置13的貼合位置。液晶面板P及貼合片F5係相互重疊而導入到前述間隙內。該等液晶面板P及貼合片F5係被各貼合滾筒23a擠壓的同時被送出到上游側輸送機6的面板搬送下游側。藉此，貼合片F5係一體地被貼合在液晶面板P的下面。 The squeezing roller 23 is bonded to the lower surface of the liquid crystal panel P conveyed by the upstream conveyor 6 by the bonding sheet F5 of the predetermined length which isolates the conveyance apparatus 22 from the optical sheet F. The squeeze roller 23 has a pair of bonding rollers 23a and 23a disposed so as to be parallel to the axial direction (the upper bonding roller 23a is moved in the vertical direction). A predetermined gap is formed between the pair of bonding rolls 23a and 23a, and the gap is the bonding position of the first bonding apparatus 13. The liquid crystal panel P and the bonding sheet F5 are superposed on each other and introduced into the gap. The liquid crystal panel P and the bonding sheet F5 are sent to the downstream side of the panel conveyance of the upstream conveyor 6 while being pressed by the bonding rollers 23a. Thereby, the bonding sheet F5 is integrally bonded to the lower surface of the liquid crystal panel P.

以下，將此貼合後的面板稱為單面貼合面板P11。 Hereinafter, the bonded panel is referred to as a single-sided bonding panel P11.

第1偏差檢查裝置14係設置在較第1貼合裝置13更靠近面板搬送下游側。第1偏差檢查裝置14係檢查單面貼合面板P11中，相對於液晶面板P之貼合片F5的位置是否適當(位置偏差是否在公差範圍內)。第1偏差檢查裝置14係例如具有一對照相機14a、14a，該一對照相機14a、14a係拍攝單面貼合面板P11的面板搬送上游側及下游側之貼合片F5的端緣。該等一對照相機14a、14a之拍攝資料係被傳送到控制部40，而根據此拍攝資料來判定貼合片F5及液晶面板P的相對位置是否適當。被判定為前述相對位置不適當之單面貼合面板P11係利用未圖示之排出手段被排出到系統外。 The first deviation inspection device 14 is disposed closer to the panel conveyance downstream side than the first bonding device 13 . The first deviation inspection device 14 checks whether the position of the bonding sheet F5 of the liquid crystal panel P is appropriate in the single-sided bonding panel P11 (whether the positional deviation is within the tolerance range). The first deviation inspection device 14 includes, for example, a pair of cameras 14a and 14a that capture the edge of the bonding sheet F5 on the upstream and downstream sides of the panel transporting single-sided bonding panel P11. The photographing data of the pair of cameras 14a and 14a is transmitted to the control unit 40, and it is determined whether or not the relative positions of the bonding sheet F5 and the liquid crystal panel P are appropriate based on the photographing data. The single-sided bonding panel P11 that is determined to be inappropriate in the relative position is discharged to the outside of the system by a discharge means (not shown).

第1反轉裝置15係設置在較第1偏差檢查 裝置14更靠近面板搬送下游側，將到達上游側輸送機6的終點位置之液晶面板P搬送到下游側輸送機7的起點位置。第1反轉裝置15係例如具有轉動軸15a以及反轉臂15b。轉動軸15a係對於液晶面板P的搬送方向，從平面來看傾斜45°，反轉臂15b係藉由轉動軸15a而被支撐在上游側輸送機6的終點位置及下游側輸送機7的起點位置之間。 The first inversion device 15 is set to be in the first deviation check The apparatus 14 is transported to the downstream side of the panel, and the liquid crystal panel P that has reached the end position of the upstream conveyor 6 is transported to the starting position of the downstream conveyor 7. The first inverting device 15 has, for example, a rotating shaft 15a and an inverting arm 15b. The rotation shaft 15a is inclined by 45° from the plane in the conveyance direction of the liquid crystal panel P, and the reverse arm 15b is supported by the rotation shaft 15a at the end position of the upstream conveyor 6 and the starting point of the downstream conveyor 7. Between locations.

反轉臂15b係透過吸附與夾持等將經由第1偏差檢查裝置14到達上游側輸送機6的終點位置之單面貼合面板P11予以保持。反轉臂15b係藉由以轉動軸15a轉動180°，而使單面貼合面板P11的表背面反轉。反轉臂15b係例如使與前述顯示區域P4的短邊(或長邊)平行地被搬送之單面貼合面板P11，以與顯示區域P4的長邊(或短邊)平行地被搬送之方式進行方向轉換。 The reverse arm 15b is held by the single-sided bonding panel P11 that reaches the end position of the upstream conveyor 6 via the first deviation inspection device 14 by suction, nip, or the like. The reverse arm 15b is rotated by 180° with the rotation shaft 15a to reverse the front and back surfaces of the single-sided bonding panel P11. The reverse arm 15b is, for example, a single-sided bonding panel P11 that is conveyed in parallel with the short side (or long side) of the display region P4, and is transported in parallel with the long side (or short side) of the display region P4. The way to change direction.

前述反轉係定為在貼合於液晶面板P的表背面之各光學構件F1配置成偏光軸方向相互成直角的情況下進行。上游側輸送機6及下游側輸送機7皆以第1圖中從右側朝左側之方向作為液晶面板P的搬送方向，惟經由第1反轉裝置15，使得上游側輸送機6及下游側輸送機7從平面來看偏移預定量。 The inversion is performed when the optical members F1 attached to the front and back surfaces of the liquid crystal panel P are disposed such that the directions of the polarization axes are at right angles to each other. In the upstream side conveyor 6 and the downstream side conveyor 7, the direction from the right side to the left side in the first drawing is the conveying direction of the liquid crystal panel P, but the upstream conveyor 6 and the downstream side are conveyed via the first reversing device 15. The machine 7 is offset by a predetermined amount from the plane.

再者，僅使液晶面板P的表背面反轉時，例如可使用具備：具有與搬送方向平行的轉動軸之反轉臂的反轉裝置。此時，從平面來看，若將第1貼合裝置13之片搬送方向與第2貼合裝置17的片搬送方向配置為相互呈直角，則可將偏光軸方向互為直角之光學構件F1貼合於 液晶面板P之表背面。 In addition, when only the front and back surfaces of the liquid crystal panel P are reversed, for example, an inverting device including an inversion arm having a rotation axis parallel to the conveyance direction can be used. In this case, when the sheet conveying direction of the first bonding apparatus 13 and the sheet conveying direction of the second bonding apparatus 17 are arranged at right angles to each other, the optical member F1 in which the polarization axis directions are at right angles to each other can be obtained. Fitted to The back of the LCD panel P.

反轉臂15b係具有與前述第1吸附裝置11的面板保持部11a相同的對準功能。於第1反轉裝置15中設置有與前述第1吸附裝置11的對準照相機11b相同的對準照相機15c。 The reverse arm 15b has the same alignment function as the panel holding portion 11a of the first adsorption device 11. The first inverting device 15 is provided with the same alignment camera 15c as the alignment camera 11b of the first adsorption device 11.

第2吸附裝置20係具備有與第1吸附裝置11相同的構成，故於相同部分標示相同符號加以說明。第2吸附裝置20係吸附單面貼合面板P11並搬送到下游側輸送機7，並且進行單面貼合面板P11的對準(定位)。第2吸附裝置20係具有：面板保持部11a、對準照相機11b、以及滑軌R。 The second adsorption device 20 has the same configuration as that of the first adsorption device 11, and the same portions are denoted by the same reference numerals. The second adsorption device 20 adsorbs the single-sided bonding panel P11 and conveys it to the downstream conveyor 7 and performs alignment (positioning) of the single-sided bonding panel P11. The second adsorption device 20 includes a panel holding portion 11a, an alignment camera 11b, and a slide rail R.

面板保持部11a係將來自下游側輸送機7而靠接於下游側的止擋器S之單面貼合面板P11，以可移動於上下方向及水平方向之方式予以保持，並且進行單面貼合面板P11之對準。面板保持部11a係透過真空吸附，將靠接於止擋器S之單面貼合面板P11的上面予以吸附保持。面板保持部11a係在吸附保持單面貼合面板P11之狀態下，於滑軌R上移動且搬送單面貼合面板P11。面板保持部11a係於上述搬送結束時，將前述吸附保持解除，且將單面貼合面板P11送到自由滾輪輸送機24。 The panel holding portion 11a is a single-sided bonding panel P11 that contacts the downstream side conveyor 7 and abuts against the downstream side of the stopper S, and is held in a movable manner in the vertical direction and the horizontal direction. Alignment of the panel P11. The panel holding portion 11a is suction-held by vacuum suction, and is attached to the upper surface of the single-sided bonding panel P11 that abuts the stopper S. The panel holding portion 11a moves on the slide rail R in a state in which the single-sided bonding panel P11 is sucked and held, and conveys the single-sided bonding panel P11. The panel holding portion 11a releases the suction holding when the conveyance is completed, and sends the single-sided bonding panel P11 to the free roller conveyor 24.

對準照相機11b係在面板保持部11a保持靠接於止擋器S之單面貼合面板P11且上升之狀態下，拍攝單面貼合面板P11之對準記號、前端形狀等。對準照相機11b之拍攝資料係被傳送到控制部40，且根據此拍攝資 料，面板保持部11a作動而進行對於搬送目的之自由滾輪輸送機24之單面貼合面板P11的對準。亦即，單面貼合面板P11係在已考量對於自由滾輪輸送機24之搬送方向、與搬送方向正交之方向、以及單面貼合面板P11之垂直軸周圍的旋轉方向的偏差程度之狀態下，被搬送到自由滾輪輸送機24。 The alignment camera 11b captures the alignment mark, the front end shape, and the like of the single-sided bonding panel P11 while the panel holding portion 11a is held in contact with the one-side bonding panel P11 of the stopper S. The photographing data of the alignment camera 11b is transmitted to the control section 40, and according to the photographing capital The panel holding portion 11a is actuated to perform alignment of the single-sided bonding panel P11 of the free roller conveyor 24 for the purpose of transportation. In other words, the single-sided bonding panel P11 is in a state in which the degree of deviation from the direction of conveyance of the free roller conveyor 24, the direction orthogonal to the conveying direction, and the direction of rotation around the vertical axis of the single-sided bonding panel P11 has been considered. Next, it is transported to the free roller conveyor 24.

第2集塵裝置16係設置在第2貼合裝置17的貼合位置之擠壓滾筒23之液晶面板P的搬送方向上游側。第2集塵裝置16係為了將被導入到貼合位置前之單面貼合面板P11周邊的塵埃，尤其是下面側的塵埃予以去除，而進行靜電的消除及集塵。 The second dust collecting device 16 is provided on the upstream side in the transport direction of the liquid crystal panel P of the squeeze roller 23 at the bonding position of the second bonding device 17 . The second dust collecting device 16 removes dust around the single-sided bonding panel P11 before being introduced to the bonding position, in particular, the dust on the lower side, thereby eliminating static electricity and collecting dust.

第2貼合裝置17係設置在較第2集塵裝置16更靠近面板搬送下游側。第2貼合裝置17係對於被導入到貼合位置之單面貼合面板P11的下面，進行切割成預定大小之貼合片F5的貼合。第2貼合裝置17係具備與前述第1貼合裝置13同樣的搬送裝置22及擠壓滾筒23。 The second bonding apparatus 17 is provided closer to the panel transport downstream side than the second dust collecting device 16. The second bonding apparatus 17 is bonded to the lower surface of the single-sided bonding panel P11 that is introduced to the bonding position, and is bonded to the bonding sheet F5 of a predetermined size. The second bonding apparatus 17 includes a conveying device 22 and a pressing roller 23 similar to those of the first bonding device 13 described above.

單面貼合面板P11及貼合片F5係以相互重疊之狀態被導入到擠壓滾筒23之一對貼合滾筒23a間的間隙內(第2貼合裝置17之貼合位置)，貼合片F5係一體地被貼合在單面貼合面板P11的下面。 The single-sided bonding panel P11 and the bonding sheet F5 are introduced into a gap between one of the pressing rolls 23 and the bonding roll 23a (the bonding position of the second bonding device 17) in a state of being overlapped with each other, and are bonded. The sheet F5 is integrally bonded to the lower surface of the single-sided bonding panel P11.

以下，將此貼合後的面板稱為兩面貼合面板P12(光學構件貼合面板)。 Hereinafter, the bonded panel is referred to as a double-sided bonding panel P12 (optical member bonding panel).

第2偏差檢查裝置18係設置在較第2貼合裝置17更靠近面板搬送下游側。第2偏差檢查裝置18係 檢查兩面貼合面板P12中，相對於單面貼合面板P11之貼合片F5的位置是否適當(位置偏差是否在公差範圍內)。第2偏差檢查裝置18係例如具有一對照相機18a、18a，該一對照相機18a、18a係拍攝兩面貼合面板P12的面板搬送上游側及下游側之貼合片F5的端緣。該等一對照相機18a、18a之拍攝資料係被傳送到控制部40，而根據此拍攝資料來判定貼合片F5及液晶面板P之相對位置是否適當。被判定為前述相對位置不適當之兩面貼合面板P12係利用未圖示之排出手段被排出到系統外。 The second deviation inspection device 18 is provided closer to the panel conveyance downstream side than the second bonding device 17 . Second deviation inspection device 18 It is checked whether or not the position of the bonding sheet F5 of the single-sided bonding panel P11 is appropriate in the double-sided bonding panel P12 (whether the positional deviation is within the tolerance range). The second deviation inspection device 18 includes, for example, a pair of cameras 18a and 18a that capture the end edges of the bonding sheet F5 on the upstream and downstream sides of the panel transporting the double-sided bonding panel P12. The photographing data of the pair of cameras 18a and 18a is transmitted to the control unit 40, and it is determined whether or not the relative positions of the bonding sheet F5 and the liquid crystal panel P are appropriate based on the photographing data. The double-sided bonding panel P12 that is determined to be inappropriate in the relative position is discharged to the outside of the system by a discharge means (not shown).

第2反轉裝置19係設置在較第2偏差檢查裝置18更靠近面板搬送下游側。第2反轉裝置19係使經由第1反轉裝置15而將背光板側朝上之液晶面板P(兩面貼合面板P12)的表背面反轉，與搬入到膜貼合系統1時相同地，將液晶面板P之顯示面側朝上。 The second reversing device 19 is disposed closer to the panel transport downstream than the second deviation inspection device 18. The second reversing device 19 reverses the front and back surfaces of the liquid crystal panel P (the double-sided bonding panel P12) whose backlight side is upward via the first reversing device 15, and is the same as when the film bonding system 1 is carried in. , the display surface side of the liquid crystal panel P faces up.

缺陷檢查裝置(光學檢查裝置)30係設置在較第2反轉裝置19更靠近面板搬送下游側。缺陷檢查裝置30係檢查兩面貼合面板P12的缺陷(貼合不良等)之有無。就成為檢查對象之缺陷而言，可舉出貼合液晶面板與貼合片時之異物與氣泡的進入、貼合片之表面的瑕疵、存在於液晶面板之配向不良等的缺陷。 The defect inspection device (optical inspection device) 30 is provided closer to the panel conveyance downstream side than the second inversion device 19. The defect inspection device 30 checks for the presence or absence of a defect (a poor fit or the like) of the double-sided bonding panel P12. The defects to be inspected include defects such as entry of foreign matter and bubbles when the liquid crystal panel and the bonding sheet are bonded, flaws on the surface of the bonding sheet, and poor alignment of the liquid crystal panel.

此外，在本實施形態中，作為綜合控制膜貼合系統1的各部分之電子控制裝置的控制部40係包含電腦系統而構成。此電腦系統係具備CPU等之運算處理部及記憶體、硬碟等之記憶部。 Further, in the present embodiment, the control unit 40 as an electronic control unit that integrally controls the respective portions of the film bonding system 1 includes a computer system. This computer system includes an arithmetic processing unit such as a CPU, and a memory unit such as a memory or a hard disk.

本實施形態的控制部40係包含可執行與電腦系統之外部的裝置進行通訊的界面。控制部40亦可連接可輸入輸入信號之輸入裝置。上述輸入裝置係包含鍵盤、滑鼠等的輸入機器，或可輸入來自電腦系統外部的裝置之資料的通訊裝置等。控制部40亦可包含顯示膜貼合系統1的各部分之動作狀況的液晶顯示器等之顯示裝置，或亦可與顯示裝置連接。 The control unit 40 of the present embodiment includes an interface that can perform communication with devices external to the computer system. The control unit 40 can also be connected to an input device that can input an input signal. The input device is an input device including a keyboard, a mouse, or the like, or a communication device that can input data from a device external to the computer system. The control unit 40 may include a display device such as a liquid crystal display that displays the operation state of each portion of the film bonding system 1, or may be connected to the display device.

於控制部40之記憶部中，安裝有控制電腦系統之作業系統(OS)。於控制部40之記憶部中記錄有程式，該程式係使運算處理部控制膜貼合系統1的各部分，藉以使膜貼合系統1的各部分執行用以使光學片F精準地搬送之處理。包含於記憶部記錄之程式的各種資訊係可由控制部40之運算處理部來讀取。控制部40亦可包含執行膜貼合系統1之各部分的控制所需之各種處理的特殊應用積體電路(application specific integrated circuits，ASIC)等之邏輯電路。 An operating system (OS) for controlling the computer system is installed in the memory unit of the control unit 40. A program is recorded in the memory unit of the control unit 40, and the program causes the arithmetic processing unit to control each portion of the film bonding system 1 so that each portion of the film bonding system 1 is executed to accurately transport the optical sheet F. deal with. The various information included in the program recorded in the memory unit can be read by the arithmetic processing unit of the control unit 40. The control unit 40 may include a logic circuit such as an application specific integrated circuit (ASIC) that performs various processes required for controlling the respective portions of the film bonding system 1.

記憶部係包含RAM(Random Access Memory,隨機存取記憶體)、ROM(Read Only Memory，唯讀記憶體)等之半導體記憶體、硬碟、CD-ROM讀取裝置、碟型記憶媒體等之外部記憶裝置等之概念。記憶部在功能上係設定為記憶描述有第1吸附裝置11、第1集塵裝置12、第1貼合裝置13、第1偏差檢查裝置14、第1反轉裝置15，第2集塵裝置16、第2貼合裝置17、第2偏差檢查裝置18、第2反轉裝置19、第2吸附裝置20、缺陷檢查裝置30的 動作之控制步驟的程式軟體之記憶區域，以及其他各種記憶區域。 The memory unit includes a semiconductor memory such as a RAM (Random Access Memory) or a ROM (Read Only Memory), a hard disk, a CD-ROM reading device, a disk type memory medium, or the like. The concept of external memory devices and the like. The memory unit is functionally configured to describe the first adsorption device 11, the first dust collecting device 12, the first bonding device 13, the first deviation inspection device 14, the first inversion device 15, and the second dust collecting device. 16. The second bonding device 17, the second deviation inspection device 18, the second reversing device 19, the second adsorption device 20, and the defect inspection device 30 The memory area of the program software that controls the steps of the action, as well as various other memory areas.

(搬送檢查裝置) (transport inspection device)

其次，就本實施形態的搬送檢查裝置加以詳細說明。 Next, the conveyance inspection device of this embodiment will be described in detail.

第5圖係示意性地顯示搬送檢查裝置之側視圖，第6圖係僅取出搬送檢查裝置中的搬送裝置並示意性地顯示之平面圖。再者，第7圖係顯示搬送裝置中之平皮帶輸送機的構成之側視圖，第8圖係示意性地顯示缺陷檢查裝置之側視圖。 Fig. 5 is a side view schematically showing the conveyance inspection device, and Fig. 6 is a plan view schematically showing only the conveyance device in the conveyance inspection device. Further, Fig. 7 is a side view showing the configuration of a flat belt conveyor in the conveying device, and Fig. 8 is a side view schematically showing the defect inspection device.

如第5圖所示，此搬送檢查裝置50係利用搬送裝置60將兩面貼合面板(光學構件貼合面板)P12朝一定方向搬送(第5圖中箭頭符號S1方向)，並且利用配置在搬送路徑中途之缺陷檢查裝置(光學檢查裝置)30來進行兩面貼合面板的光學檢查。 As shown in Fig. 5, the conveyance inspection device 50 conveys the double-sided bonding panel (optical member bonding panel) P12 in a predetermined direction by the conveying device 60 (in the direction of the arrow symbol S1 in Fig. 5), and arranges the transportation by the arrangement. The defect inspection device (optical inspection device) 30 in the middle of the path performs optical inspection of the double-sided bonding panel.

在第5圖及第8圖中，符號Sf1為兩面貼合面板(光學構件貼合面板)P12之下面(第1主面)，例如安裝背光板之面。符號Sf2係兩面貼合面板P12之上面(第2主面)，例如影像顯示面。 In the fifth and eighth figures, the symbol Sf1 is a lower surface (first main surface) of the double-sided bonding panel (optical member bonding panel) P12, for example, a surface on which a backlight panel is mounted. The symbol Sf2 is bonded to the upper surface (second main surface) of the panel P12 on both sides, for example, an image display surface.

如第5圖及第8圖所示，本實施形態的搬送檢查裝置50中之缺陷檢查裝置30係從搬送方向的上游側朝下游側，依序具備有：下面反射檢查用之第1檢查單元31；上面反射檢查用之第2檢查單元32；以及穿透檢查用之第3檢查單元33。 As shown in Fig. 5 and Fig. 8, the defect inspection device 30 of the transport inspection device 50 of the present embodiment is provided with a first inspection unit for the lower reflection inspection from the upstream side to the downstream side in the conveyance direction. 31; the second inspection unit 32 for the upper reflection inspection; and the third inspection unit 33 for the penetration inspection.

首先，最上游側之第1檢查單元31係具備 有配置在面板搬送線的下側之照明光源311與拍攝裝置312。此第1檢查單元31係對於經由第2反轉裝置19而使顯示面側朝上之兩面貼合面板P12，從照明光源311對著第1主面(下面)Sf1傾斜地照射光，並利用拍攝裝置312拍攝第1主面Sf1所反射之光。然後，根據此拍攝資料來檢查兩面貼合面板P12的下面(影像顯示面之相反側的面)之缺陷的有無。 First, the first inspection unit 31 on the most upstream side is provided There are an illumination source 311 and an imaging device 312 disposed on the lower side of the panel transport line. In the first inspection unit 31, the panel P12 is attached to both sides of the display surface side with the second reversing device 19, and the illumination light source 311 is obliquely irradiated toward the first main surface (lower surface) Sf1, and is photographed by the illumination source 311. The device 312 captures the light reflected by the first main surface Sf1. Then, based on the photographed data, the presence or absence of a defect of the lower surface of the double-sided bonding panel P12 (the surface on the opposite side of the image display surface) is checked.

其次，第2檢查單元32係具備有配置在面板搬送線的上側之照明光源321與拍攝裝置322。此第2檢查單元32係對於經由第2反轉裝置19而使顯示面側朝上之兩面貼合面板P12，從照明光源321對著第2主面(上面)Sf2傾斜地照射光，並利用拍攝裝置322拍攝第2主面Sf所反射之光。然後，根據此拍攝資料來檢查兩面貼合面板P12的上面(影像顯示面)之缺陷的有無。 Next, the second inspection unit 32 includes an illumination light source 321 and an imaging device 322 disposed on the upper side of the panel transport line. In the second inspection unit 32, the panel P12 is attached to both sides of the display surface side via the second inversion device 19, and the illumination light source 321 is obliquely irradiated toward the second main surface (upper surface) Sf2, and is photographed by the illumination. The device 322 captures the light reflected by the second main surface Sf. Then, based on the photographed data, the presence or absence of a defect on the upper surface (image display surface) of the double-sided bonding panel P12 is checked.

其次，最下游側之第3檢查單元33係具備有照明光源331與2個拍攝裝置(第1拍攝裝置332及第2拍攝裝置333)。照明光源331係從第1主面(下面)Sf1之側對兩面貼合面板P12照射光。2個拍攝裝置係從第2主面(上面)Sf2之側拍攝照明光源331所照亮之兩面貼合面板P12的畫像。 Next, the third inspection unit 33 on the most downstream side is provided with an illumination light source 331 and two imaging devices (the first imaging device 332 and the second imaging device 333). The illumination light source 331 illuminates the double-sided bonding panel P12 from the side of the first main surface (lower surface) Sf1. The two imaging devices image the two-sided bonding panel P12 illuminated by the illumination light source 331 from the side of the second main surface (upper surface) Sf2.

照明光源331係對著第1主面Sf1，大致垂直地使第1光入射。第1拍攝裝置332係隔著兩面貼合面板P12，配置在照明光源321的光軸上，且拍攝照明光源331射出且穿透兩面貼合面板P1的光中，大致呈直線朝鉛 直上方行進之光的影像。再者，第2拍攝裝置333係配置在偏離照明光源331的光軸之位置，且拍攝照明光源331射出且透過兩面貼合面板P12而散射之光中，朝傾斜上方穿透而行進之光的影像。 The illumination light source 331 is directed to the first main surface Sf1 to make the first light incident substantially perpendicularly. The first imaging device 332 is disposed on the optical axis of the illumination light source 321 via the double-sided bonding panel P12, and the light that is emitted from the illumination light source 331 and penetrates the double-sided bonding panel P1 is substantially straight toward the lead. An image of the light traveling straight up. In addition, the second imaging device 333 is disposed at a position deviated from the optical axis of the illumination light source 331, and the light that is emitted by the illumination light source 331 and transmitted through the double-sided bonding panel P12 is scattered toward the obliquely upward direction. image.

第3檢查單元33係根據第1拍攝裝置332的拍攝結果，檢測從光軸方向看時之與第2主面Sf2平行之面內的穿透率之分布，檢測出穿透率大的部分為缺陷部分。於兩面貼合面板P12產生配向不良，或在光學構件的表面有瑕疵等時，因其部分之穿透率比其他部分變得更高，故檢測從光軸方向來看時之穿透率的分布，可檢測出配向不良，光學構件之瑕疵的有無等。 The third inspection unit 33 detects the distribution of the transmittance in the plane parallel to the second principal surface Sf2 when viewed from the optical axis direction, based on the imaging result of the first imaging device 332, and detects that the transmittance is large. Defective part. When the double-sided bonding panel P12 is misaligned, or when the surface of the optical member is flawed, the transmittance of the portion is higher than that of the other portions, so that the transmittance when viewed from the optical axis direction is detected. The distribution can detect the poor alignment, the presence or absence of defects in the optical member, and the like.

此外，第3檢查單元33係根據第2拍攝裝置333之拍攝結果，檢測對於光軸朝傾斜方向看時之與第2主面Sf2平行之面內的穿透率之分布，檢測出穿透率大之部分為缺陷部分。於兩面貼合面板P12有異物、氣泡等時，從照明光源331射出之光因異物、氣泡等而散射，且散射光的一部分入射到第2拍攝裝置333。另一方面，無異物、氣泡等時，不產生散射光，故第2拍攝裝置333之拍攝影像會變暗。因此，檢測對於光軸朝傾斜方向看時之穿透率的分布時，可檢測出異物、氣泡等之有無。 Further, the third inspection unit 33 detects the distribution of the transmittance in the plane parallel to the second principal surface Sf2 when the optical axis is viewed in the oblique direction, based on the imaging result of the second imaging device 333, and detects the transmittance. The big part is the defective part. When there is foreign matter, air bubbles, or the like on the double-sided bonding panel P12, the light emitted from the illumination light source 331 is scattered by foreign matter, air bubbles, or the like, and a part of the scattered light is incident on the second imaging device 333. On the other hand, when there is no foreign matter, air bubbles, or the like, no scattered light is generated, and thus the captured image of the second imaging device 333 is darkened. Therefore, when the distribution of the transmittance when the optical axis is viewed in the oblique direction is detected, the presence or absence of foreign matter, bubbles, or the like can be detected.

並且，不僅於第2主面Sf2側有異物、氣泡等之情況，在第1主面Sf1側有異物、氣泡等之情況時，從照明光源331射出之光亦因該異物、氣泡等而散射。因此，依據第3檢查單元33，可在第2主面Sf2側及第1主 面Sf1側的兩面側檢測異物、氣泡等之有無。 In addition, when there is a foreign matter, a bubble, or the like on the side of the second main surface Sf2, when there is a foreign matter or a bubble on the side of the first main surface Sf1, the light emitted from the illumination source 331 is also scattered by the foreign matter, bubbles, or the like. . Therefore, according to the third inspection unit 33, the second main surface Sf2 side and the first main unit are available. The presence or absence of foreign matter, bubbles, and the like is detected on both sides of the surface Sf1 side.

然而，尤其以穿透檢查用之第3檢查單元33進行光學檢查之際，利用滾輪輸送機以一定的速度以上搬送長方形之兩面貼合面板P12，尤其以長邊位於搬送方向的前端與後端，短邊位於與搬送方向平行之姿態搬送時，可能產生漏光引起之缺陷檢測的錯誤資訊。亦即，利用滾輪輸送機進行搬送時，兩面貼合面板P12之前端連續不斷地被承載到滾輪上時，兩面貼合面板P12可能於Z方向產生振動。結果，可能產生漏光之缺陷檢測的錯誤資訊。 However, in particular, when the optical inspection is performed by the third inspection unit 33 for penetration inspection, the rectangular double-sided bonding panel P12 is conveyed by a roller conveyor at a constant speed or higher, in particular, the front end and the rear end of the long side in the transport direction. When the short side is placed in a posture parallel to the transport direction, an error message indicating the defect detection due to light leakage may occur. That is, when the front end of the double-sided bonding panel P12 is continuously carried on the roller by the roller conveyor, the double-sided bonding panel P12 may vibrate in the Z direction. As a result, error information of defect detection of light leakage may occur.

為此，在此實施形態之搬送檢查裝置50的搬送裝置60中，如第5圖、第6圖所示，將兩面貼合面板P12搬送到第3檢查單元33之光學檢查位置K為止之上游側輸送機61，係與其上游側相同地由滾輪輸送機61A所構成。另一方面，從緊接於光學檢查位置K之後起，搬送兩面貼合面板P12之下游側輸送機62，係由使用承載兩面貼合面板P12之搬送面為平坦的平皮帶71之平皮帶輸送機62A所構成。 For this reason, in the conveying device 60 of the conveyance inspection device 50 of the embodiment, as shown in FIGS. 5 and 6, the double-sided bonding panel P12 is transported to the upstream of the optical inspection position K of the third inspection unit 33. The side conveyor 61 is constituted by the roller conveyor 61A in the same manner as the upstream side thereof. On the other hand, from the immediately after the optical inspection position K, the downstream conveyor 62 that conveys the double-sided bonding panel P12 is conveyed by a flat belt that uses a flat belt 71 that carries the flat surface of the double-sided bonding panel P12. The machine 62A is constructed.

上游側輸送機61之滾輪輸送機61A相當於前述輸送機5(下游側輸送機7)的下游側之一部分。如第6圖所示，滾輪輸送機61A係隔著預定的間隔排列多數滾輪61B，且於滾輪輸送機61A之佈局區域存在較多的保留空間。因此，可容易將穿透型之第3檢查單元33配置在上述保留空間。 The roller conveyor 61A of the upstream side conveyor 61 corresponds to a part of the downstream side of the said conveyor 5 (downstream side conveyor 7). As shown in Fig. 6, the roller conveyor 61A has a plurality of rollers 61B arranged at predetermined intervals, and there is a large amount of reserved space in the layout area of the roller conveyor 61A. Therefore, the third inspection unit 33 of the penetration type can be easily disposed in the above-described reserved space.

此外，平皮帶輸送機62A係如第6圖所示， 以兩面貼合面板P12可被續載到緊接於穿透檢查用的第3檢查單元33的檢查位置K後之方式而配置。於此實施形態時，平皮帶輸送機62A係與搬送方向S1平行地配置複數台比搬送之面板寬度更小的輸送機，而於鄰接之平皮帶輸送機62A彼此之間隔著適當的空間。於鄰接之平皮帶輸送機62A之間的空間，視需要配置各種感測器類。該等複數台之相互平行地排列之平皮帶輸送機62A係藉由同步驅動，而可朝搬送方向S1水平地搬送兩面貼合面板P12。 In addition, the flat belt conveyor 62A is as shown in Fig. 6, The double-sided bonding panel P12 can be continuously loaded to the inspection position K immediately after the third inspection unit 33 for penetration inspection. In the embodiment, the flat belt conveyor 62A arranges a plurality of conveyors having a smaller panel width than the conveyance direction S1 in parallel with the conveyance direction S1, and the adjacent flat belt conveyors 62A are spaced apart from each other by an appropriate space. In the space between the adjacent flat belt conveyors 62A, various types of sensors are disposed as needed. The flat belt conveyor 62A in which the plurality of stages are arranged in parallel with each other can be horizontally conveyed to the double-sided bonding panel P12 in the conveyance direction S1 by synchronous driving.

平皮帶輸送機62A係如第7圖所示，將無端狀的平皮帶7掛在於搬送方向分離而配置之前後的滾筒72、73、驅動滾筒74、支撐滾筒75、張力滾筒76等，藉由驅動馬達77使驅動滾筒輪74旋轉而使得平皮帶71朝一定方向環繞。然後，將載置在環繞之平皮帶上側的直線移動區間之被搬送物朝一定方向搬送。此外，藉由利用張力機構78施力到張力滾筒76以施力到平皮帶71，以穩定地將被搬送物支撐於水平狀態來搬送。 As shown in Fig. 7, the flat belt conveyor 62A is a drum 72, 73, a driving drum 74, a supporting drum 75, a tension roller 76, and the like which are arranged in a direction in which the endless flat belt 7 is separated in the conveying direction. The drive motor 77 rotates the drive roller 74 to cause the flat belt 71 to wrap in a certain direction. Then, the conveyed object placed in the linear movement section on the upper side of the flat belt is conveyed in a predetermined direction. In addition, the tension roller 76 is biased by the tension mechanism 78 to apply the force to the flat belt 71 to stably convey the object to be conveyed in a horizontal state.

依據此搬送檢查裝置50，將兩面貼合面板P12搬送到光學檢查位置K為止之上游側搬送步驟係成為由滾輪輸送機61A進行之搬送步驟，而將兩面貼合面板P12從光學檢查位置K起搬送之下游側搬送步驟，係成為由平皮帶輸送機進行之搬送步驟。 According to the conveyance inspection device 50, the upstream conveyance step of transporting the double-sided bonding panel P12 to the optical inspection position K is performed by the roller conveyor 61A, and the double-sided bonding panel P12 is from the optical inspection position K. The downstream side conveying step of the conveyance is a conveying step by a flat belt conveyor.

因此，兩面貼合面板P12之前端係於通過光學檢查位置K之後即立刻被續載到平皮帶71。並且，利用平皮帶71搬送之期間，續載引起之振動變得不易在兩面貼 合面板P12產生之外，兩面貼合面板P12受到平皮帶71之緩衝作用、穩定支撐作用，故可抑制使用滾輪輸送機的情況下，每當被續載到滾輪上時發生振動而產生之缺陷錯誤資訊。結果，可提高兩面貼合面板P12之搬送速度，且可提高生產效率。另外，依據本實施形態之搬送檢查裝置50，可將50英吋大小之面板設為長邊行進之姿態(使長邊朝向搬送方向的前端與後端之姿態)，而一邊以250mm/sec之搬送速度進行搬送一邊進行穿透檢查。 Therefore, the front end of the double-sided fitting panel P12 is continuously loaded to the flat belt 71 immediately after passing through the optical inspection position K. Moreover, during the conveyance by the flat belt 71, the vibration caused by the reloading becomes difficult to stick on both sides. In addition to the production of the panel P12, the double-sided bonding panel P12 is subjected to the cushioning action and the stable supporting function of the flat belt 71, so that it is possible to suppress the occurrence of vibrations generated when the roller conveyor is continuously loaded onto the roller. Error message. As a result, the conveying speed of the double-sided bonding panel P12 can be improved, and the production efficiency can be improved. Further, according to the transport inspection device 50 of the present embodiment, the panel having a size of 50 inches can be set to a posture in which the long side travels (the long side is oriented toward the front end and the rear end in the transport direction), and the side is 250 mm/sec. Penetration inspection is performed while transporting at the transport speed.

再者，上游側輸送機61係由在滾輪間確保有間隔之滾輪輸送機61A所構成，故可利用滾輪間的空間進行光學檢查裝置(第3檢查單元33等)之光學檢查。此外，透過個別的滾輪來搬送兩面貼合面板P12，故亦可大大提高使兩面貼合面板P12的搬送暫時停止等之搬送上的自由度。 Further, since the upstream conveyor 61 is constituted by the roller conveyor 61A that ensures a space between the rollers, the optical inspection device (the third inspection unit 33 or the like) can be optically inspected by the space between the rollers. Further, since the double-sided bonding panel P12 is conveyed by the individual rollers, the degree of freedom in the transportation such as temporarily stopping the conveyance of the double-sided bonding panel P12 can be greatly improved.

以上，參照圖式說明了本發明之較佳實施形態之一例，然而本發明當然不限定於此種例示。在上述例中所示之各構成構件的諸形狀與組合等僅為一例，在不脫離本發明的主旨之範圍內，可根據設計要求等作種種變更。 Hereinabove, an example of a preferred embodiment of the present invention has been described with reference to the drawings, but the present invention is of course not limited to such an example. The shapes, combinations, and the like of the respective constituent members shown in the above examples are merely examples, and various modifications can be made according to design requirements and the like without departing from the gist of the invention.

例如，在上述實施形態中，以滾輪輸送機61A構成上游側輸送機61之情況進行說明，惟亦可利用與下游側輸送機62相同的平皮帶輸送機來構成上游側輸送機61。此時，較佳係在構成上游側輸送機61之平皮帶輸送機的佈局區域，確保有可進行透光檢查用的第3檢查單 元33等之光學檢查的空間。如此，不僅下游側輸送機62，上游側輸送機61亦由平皮帶輸送機構成時，可抑制到達光學檢查位置K為止之搬送時的轉送所引起之振動，而更可提高檢查的信賴度。 For example, in the above-described embodiment, the case where the roller conveyor 61A constitutes the upstream conveyor 61 will be described, but the upstream conveyor 61 may be configured by the same flat belt conveyor as the downstream conveyor 62. In this case, it is preferable to ensure a third checklist for the light transmission inspection in the layout area of the flat belt conveyor constituting the upstream conveyor 61. The space for optical inspection of Yuan 33 et al. In this way, not only the downstream conveyor 62 but also the upstream conveyor 61 is configured by the flat belt conveyor, the vibration caused by the transfer at the time of the conveyance to the optical inspection position K can be suppressed, and the reliability of the inspection can be improved.

此外，上游側輸送機61與下游側輸送機62皆以平皮帶輸送機構成時，亦能夠以使用兩者為一體連續之平皮帶之共同的平皮帶輸送機來構成。以此方式構成時，可消除從上游側輸送機朝下游側輸送機之續載，故更可提高振動抑制效果。 Further, when both the upstream side conveyor 61 and the downstream side conveyor 62 are formed of a flat belt conveyor, they can also be constructed by a flat belt conveyor which is a common flat belt which is continuous with both. According to this configuration, the load from the upstream conveyor to the downstream conveyor can be eliminated, so that the vibration suppression effect can be further improved.

再者，本發明至少利用平皮帶輸送機來構成從緊接於光學檢查位置K之後起搬送面板之下游側輸送機62即可。 Furthermore, the present invention can be constructed by using at least a flat belt conveyor to transport the downstream conveyor 62 from the panel immediately after the optical inspection position K.

[產業上之利用可能性] [Industry use possibility]

本發明之光學構件貼合面板的搬送檢查裝置及搬送檢查方法係於搬送光學構件貼合面板中進行光學檢查時，可抑制光學構件貼合面板的振動引起之缺陷檢測的錯誤資訊，且可實施有效的檢查，故可提供生產效率佳的搬送檢查裝置及搬送檢查方法。 In the optical member bonding panel, the transport inspection device and the transport inspection method of the present invention are capable of suppressing the error information of the defect detection caused by the vibration of the optical member bonding panel, and performing the optical inspection on the optical member bonding panel. Effective inspection, it is possible to provide a transport inspection device and a transport inspection method with good production efficiency.

5‧‧‧輸送機 5‧‧‧Conveyor

7‧‧‧下游側輸送機 7‧‧‧ downstream conveyor

30‧‧‧缺陷檢查裝置(光學檢查裝置) 30‧‧‧ Defect inspection device (optical inspection device)

31‧‧‧第1檢查單元 31‧‧‧1st inspection unit

32‧‧‧第2檢查單元 32‧‧‧2nd inspection unit

33‧‧‧第3檢查單元 33‧‧‧3rd inspection unit

50‧‧‧搬送檢查裝置 50‧‧‧Transportation inspection device

60‧‧‧搬送裝置 60‧‧‧Transporting device

61‧‧‧上游側輸送機 61‧‧‧Upstream conveyor

61A‧‧‧滾輪輸送機 61A‧‧‧Roller conveyor

61B‧‧‧滾輪 61B‧‧‧Roller

62‧‧‧下游側輸送機 62‧‧‧ downstream conveyor

62A‧‧‧平皮帶輸送機 62A‧‧‧ flat belt conveyor

71‧‧‧平皮帶 71‧‧‧ flat belt

311、321‧‧‧照明光源 311, 321‧‧‧ illumination source

312、322‧‧‧拍攝裝置 312, 322‧‧ ‧ camera

331‧‧‧照明光源 331‧‧‧Light source

332‧‧‧第1拍攝裝置 332‧‧‧1st camera

333‧‧‧第2拍攝裝置 333‧‧‧2nd camera

K‧‧‧光學檢查位置 K‧‧‧ Optical inspection position

P12‧‧‧兩面貼合面板(光學構件貼合面板) P12‧‧‧Two-sided fitting panel (optical member fitting panel)

S1‧‧‧搬送方向 S1‧‧‧Transfer direction

Sf1‧‧‧第1主面 Sf1‧‧‧1st main face

Sf2‧‧‧第2主面 Sf2‧‧‧2nd main face

Claims (4)

一種光學構件貼合面板之搬送檢查裝置，其係一邊利用搬送裝置將光學構件貼合面板朝一定方向搬送，一邊利用配置在搬送路徑中途之光學檢查裝置進行前述光學構件貼合面板的檢查，前述搬送裝置係具備有上游側輸送機以及下游側輸送機，該上游側輸送機係將前述光學構件貼合面板搬送到前述光學檢查裝置之光學檢查位置，該下游側輸送機係從緊接於前述光學檢查位置之後起，將前述光學構件貼合面板予以搬送，至少前述下游側輸送機係由承載前述光學構件貼合面板之搬送面為平坦的平皮帶構成之平皮帶輸送機所構成。 In the optical member bonding panel of the optical member bonding panel, the optical member bonding panel is inspected by the optical inspection device disposed in the middle of the transport path, and the optical member bonding panel is inspected by the optical device. The transport apparatus includes an upstream conveyor that transports the optical member bonding panel to an optical inspection position of the optical inspection apparatus, and a downstream conveyor that follows from the optical conveyor After the optical inspection position, the optical member bonding panel is conveyed, and at least the downstream conveyor is configured by a flat belt conveyor that is a flat belt that carries the flat surface of the optical member bonding panel. 如申請專利範圍第1項所述之光學構件貼合面板之搬送檢查裝置，其中，前述上游側輸送機係由滾輪輸送機所構成。 The transport inspection device for an optical member bonding panel according to the first aspect of the invention, wherein the upstream conveyor is constituted by a roller conveyor. 如申請專利範圍第1項所述之光學構件貼合面板之搬送檢查裝置，其中，前述上游側輸送機係由與前述下游側輸送機相同的平皮帶輸送機所構成，且至少於構成前述上游側輸送機之平皮帶輸送機的佈局區域，確保有可由前述光學檢查裝置進行光學檢查的空間。 The transport inspection device for an optical member bonding panel according to the first aspect of the invention, wherein the upstream conveyor is configured by a flat belt conveyor similar to the downstream conveyor, and at least constitutes the upstream The layout area of the flat conveyor of the side conveyor ensures a space for optical inspection by the aforementioned optical inspection device. 一種光學構件貼合面板的搬送檢查方法，其係一邊將光學構件貼合面板朝一定方向搬送，且一邊利用配置在搬送路徑中途之光學檢查裝置進行前述光學構件貼合面 板的檢查，前述光學構件貼合面板之搬送步驟係包含上游側搬送步驟與下游側搬送步驟，該上游側搬送步驟係將前述光學構件貼合面板搬送到前述光學檢查裝置之光學檢查位置，該下游側搬送步驟係從緊接於前述光學檢查位置之後起，將前述光學構件貼合面板予以搬送，至少前述下游側搬送步驟係由承載前述光學構件貼合面板之搬送面為平坦的平皮帶構成之平皮帶輸送機所進行的搬送步驟。 A method of transporting an optical member bonding panel, wherein the optical member bonding panel is transported in a predetermined direction, and the optical member bonding surface is performed by an optical inspection device disposed in the middle of the transport path In the inspection of the board, the transport step of the optical member bonding panel includes an upstream side transporting step and a downstream side transporting step, and the upstream side transporting step transports the optical member bonding panel to an optical inspection position of the optical inspection apparatus. The downstream side transporting step transports the optical member bonding panel from immediately after the optical inspection position, and at least the downstream side transporting step is constituted by a flat belt that carries the optical member bonding panel with a flat conveying surface. The transport step carried out by the flat belt conveyor.
TW103141139A 2013-11-28 2014-11-27 Device and method for conveying and testing optical member bonded panel TW201527194A (en)

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