WO2019054761A1 - Système de remplacement de carte de circuit imprimé flexible (fpcb) pour inspection de panneau d'affichage - Google Patents

Système de remplacement de carte de circuit imprimé flexible (fpcb) pour inspection de panneau d'affichage Download PDF

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Publication number
WO2019054761A1
WO2019054761A1 PCT/KR2018/010722 KR2018010722W WO2019054761A1 WO 2019054761 A1 WO2019054761 A1 WO 2019054761A1 KR 2018010722 W KR2018010722 W KR 2018010722W WO 2019054761 A1 WO2019054761 A1 WO 2019054761A1
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WO
WIPO (PCT)
Prior art keywords
pellet
frame
fpcb
clamp block
display panel
Prior art date
Application number
PCT/KR2018/010722
Other languages
English (en)
Korean (ko)
Inventor
임대균
천영민
윤종대
안재일
Original Assignee
(주)디이엔티
주식회사 디엠엔티
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by (주)디이엔티, 주식회사 디엠엔티 filed Critical (주)디이엔티
Publication of WO2019054761A1 publication Critical patent/WO2019054761A1/fr

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • G01R1/04—Housings; Supporting members; Arrangements of terminals
    • G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays

Definitions

  • the present invention relates to a method of inspecting a display panel, and more particularly, to a method of inspecting a display panel by selecting a clamp block equipped with an appropriate FPCB according to specifications of a display panel mounted on the pellet for inspection, And an FPCB replacement system for a display panel inspection.
  • the use range of the display panel such as a mobile communication terminal, a TV, and a monitor is widely used depending on a use purpose and a utilization purpose.
  • display panels have been widely used in OLED (Organic Light Emitting Diodes) panels, which are called OLED (Future Display) panels in conventional LCD (Liquid Crystal Display) panels.
  • OLED Organic Light Emitting Diodes
  • LCD Liquid Crystal Display
  • Such a display panel is inspected for abnormality while being put on a pellet in a multistage test process which is to be subjected to a production process when it is manufactured.
  • a plurality of display panels to be inspected are mounted on a front surface of a pellet used for inspecting a display panel.
  • the pellets are loaded or unloaded by a lever so that various signals can be applied to the display panel
  • the FPCB is provided.
  • the display panel is manufactured in a variety of specifications according to the use purpose thereof, and the FPCB used therein is also variously provided according to specifications of the display panel.
  • the conventional prior art for the display panel inspection is to perform temperature deterioration of the display panel as disclosed in Korean Patent Registration No. 10-1579090 (hereinafter referred to as "Prior Art Document 1"),
  • a display panel inspection apparatus which improves the inspection accuracy by performing driving and lighting inspection of the display panel by electrical connection of the surface contact of the flexible circuit board.
  • Prior Art Document 2 Korean Patent Registration No. 10-1346895 (hereinafter referred to as "Prior Art Document 2"), aging inspection and lighting inspection are simultaneously performed using a palette capable of measuring a plurality of display panels And a display panel inspection apparatus capable of automatic model replacement according to the change of the inspection object have been proposed.
  • Patent Document 1 Korean Patent Publication No. 10-1579090
  • Patent Document 2 Korean Patent Registration No. 10-1346895
  • the FPCB for inspecting the display panel is not smoothly replaced, but has a disadvantage that it must be manually performed by hand.
  • the prior art document 2 has a contactor dispenser for replacing the contactor, but has a disadvantage that it is not suitable for replacing the FPCB.
  • the present invention provides a method for testing a display panel mounted on a pellet, comprising the steps of: To provide a FPCB replacement system for a display panel inspection.
  • Another specific object of the present invention is to make it possible to securely fix the pellet without being fluidized after the pellet is mounted.
  • Still another specific object of the present invention is to fix the clamp block having the FPCB mounted thereon at the time of inserting into the contact or pellet, and to stop the insertion when a load occurs in the process of inserting the block into the pellet.
  • Another specific object of the present invention is to precisely locate the clamp block on which the FPCB mounted on the pellet is mounted so as to be able to be drawn in or pulled out.
  • Each of the magazine holding the respective clamp blocks on which the FPCB is mounted so as to be inspected by contact with the respective display panels mounted on the pellets on both sides of the pellet setting portion;
  • the pellet setting portion includes a first draw portion including a drawing plate for drawing the pellet provided on the carriage while being transported back and forth on a first guide rail by a first power source and a first power transmitting means, A second power take-off means for moving the first and second power transmission means in a forward and a backward direction on the second guide rails, and a second power take-off means And a lifting frame including a lifting frame for lifting the lever of the pellet by positioning the drawn pellet at a position to be inspected.
  • the drawing plate is further provided with a pair of fixing pins inserted and fixed by respective insertion holes formed in the pellet.
  • each fixing frame located on both sides of the front of the fixing frame part is provided with fixing parts for fixing respective fixing grooves formed on both sides of the front side of the pellet, And pushing the rear end of the pellet toward the fixture of the front mounting frame to fix the pellet without fluidity.
  • the tightly fixed portion includes respective close-contact plates which are reciprocated by the respective reciprocating means and come into contact with the rear end of the pellet.
  • the magazine comprises a frame frame, a plurality of storage spaces formed at both ends of the frame frame on both sides to accommodate the respective clamp blocks, and the frame frame being rotatably mounted on a fixed frame provided on a turntable,
  • the frame is detachably provided by a fixed clamp provided on the fixed frame.
  • the clamp block includes first and second clamp blocks formed in a manner corresponding to the mounting grooves formed in the pellet and detachably attached to the first and second clamp blocks.
  • first and second clamp blocks the respective FPCBs corresponding to the respective display panels to be inspected are detachable .
  • the clamp block setting unit includes a vertical frame that is horizontally transported by the fourth power source and the fourth power transmitting means on the left and right transport rails, a mounting frame that is vertically moved on the vertical rails by the fifth power source and the fifth power transmitting means, And a hand unit which is fixed to the clamping block and moves in a fixed position while being transferred back and forth on the front and rear rails by a sixth power source and a sixth power transmitting means to the mounting frame.
  • the hand unit includes a main body, a pair of grippers inserted in a pair of fixing holes formed in the clamp block on the front side of the main body and fixed and separated while being moved laterally,
  • the clamp block is inserted into the mounting groove of the pellet by the hand unit inside the main body, and the pressure of the pusher is released when the load is generated in the course of fixing the lever to the tip of the lever,
  • a safety part for retracting at the same time as stopping.
  • the main body further includes a conventional camera module for accurately correcting the insertion position of the clamp block when the clamp block is inserted into the tip of the lever through the mounting groove of the pellet by the pusher.
  • the present invention it is possible to easily replace the pellet by selecting a clamp block equipped with an appropriate FPCB according to the specification of the display panel mounted on the pellet for inspection, It is possible to perform the inspection quickly and accurately without inconvenience, and it is possible to maximize the inspection efficiency.
  • the inspection can be made more stable.
  • the clamp block with the FPCB when the clamp block with the FPCB is inserted into the contact or pellet, it can be easily set in the correct position, and the insertion is stopped when a load occurs in the process of inserting the clamp block into the pellet. And the effect of minimizing the damage or breakage of the pellet as well as the clamp block.
  • clamp block on which the FPCB mounted on the pellet is mounted can be precisely positioned and taken in or taken out, accurate inspection can be effected quickly in a short time.
  • FIG. 1 is a perspective view showing an overall structure for explaining the present invention
  • FIGS. 2A to 2C are enlarged perspective views illustrating a process of pulling out and mounting pellets by the pellet setting unit of the present invention
  • FIG. 3 is a partial side view for explaining the process of fixing the pellet mounted on the mounting frame part of the present invention
  • FIGS. 4A to 4C are plan views illustrating a process of setting a clamp block according to the present invention.
  • FIG. 5 is a perspective view for explaining a hand unit of the present invention
  • FIG. 6 is a plan view for explaining the use state according to Fig. 5, Fig.
  • FIG. 7 is a plan view for explaining a use state of another embodiment according to FIG.
  • FIG. 1 is a perspective view showing the entire structure for explaining the present invention
  • FIGS. 2 (a) to 2 (c) are enlarged perspective views for explaining a process of pulling out and putting pellets by the pellet setting part of the present invention
  • 4A to 4C are plan views illustrating a process of setting a clamp block according to an embodiment of the present invention.
  • FIG. 5 is a cross-sectional view of a clamp block according to the present invention
  • FIG. 6 is a plan view for explaining a use state according to FIG. 5
  • FIG. 7 is a plan view for explaining a use state according to another embodiment according to FIG.
  • a typical display panel is manufactured in a variety of specifications according to the use purpose thereof, and the FPCB used therein is also variously provided according to specifications of the display panel.
  • the present invention is intended to facilitate replacement of pellets by selecting a clamp block equipped with an appropriate FPCB according to specifications of a display panel mounted on the pellet for inspection.
  • the FPCB replacement system 1 for a display panel inspection comprises a base frame 10 manufactured in the form of a frame by a conventional bar-shaped frame; A plurality of display panels P1 to be inspected are mounted on the rear side of the base frame 10 and pellets P each having a lever P2 capable of being loaded and unloaded by the display panel P1 are multi- And a carriage 20 movably provided by a conventional caster provided on the bottom surface.
  • the bogie has a conventional structure in which a pedestal is provided in a multi-stage so that the pellet can be lifted and the pellet to be inspected is raised.
  • the lever P2 is rotatably coupled to the pellet P by a conventional shaft or pin and is also inserted into the pellet P where the tip of the lever P2 is located, Each mounting groove P3 is formed.
  • the plurality of display panels mounted on each pellet are preferably placed on the same specification, but different specifications may be put on the display panel.
  • the display panels of the same specification to be inspected are placed on each pellet and are inspected. This is to uniformly inspect the display panel mounted on one pellet to improve inspection efficiency.
  • a pellet setting unit 30 for mounting each pellet P provided on the bogie 20 to a position to be inspected together with transportation, on a front base frame 10 of the bogie 20; And a mounting frame part 40 on which pellets P carried by the pellet setting part 30 are mounted and mounted on both sides of the inside and the rear of the pellet setting part 30.
  • Each of the clamp blocks C to which the FPCB is mounted so as to be inspected by contact with the respective display panels P1 mounted on the respective pellets P is provided on each side of the pellet setting portion 30, A magazine 50;
  • the respective clamp blocks C accommodated in the respective magazines 50 are taken out and moved on the front base frame 10 of the pellet setting portion 30 so that the tips of the levers P2 formed on the pellets P
  • a clamp block setting unit 60 for pulling the lever from the tip of the lever and then drawing it into each magazine 50 again.
  • the present invention provides not only one type of display panel but also convenience and high efficiency that a simple and quick inspection can be performed without troublesome or inconvenient display panels of different specifications.
  • the pellets on which the display panel to be inspected to be inspected are transported from the truck by the pellet setting unit together with the transportation is mounted on the mounting frame unit.
  • the clamp block corresponding to the display panel mounted on the pellet is pulled out from the magazine by the clamp block setting unit and inserted into the mounting groove formed in the pellet.
  • the clamp block is inserted to be connected to the tip of the lever which can be loaded and unloaded. do.
  • the lever After checking the abnormality, the lever is unloaded again, the clamp block is set again by the clamp block setting part, and then the clamp block is drawn out and fed to the magazine.
  • pellets to be inspected are transported and mounted on a truck, and a clamp block provided on the magazine is selected according to the display panel of the pellet that is carried and mounted,
  • the present invention provides not only the various conventional display panels to be inspected but also the convenience of being able to perform the inspection within a short period of time in a simple and convenient manner without inconvenience or inconvenience as well as high inspection efficiency.
  • the pellet setting portion 30 is provided with a first power source (not shown) such as a motor or a cylinder, a conventional gear engagement or belt or sprocket connection method linked with the first power source, a link connection method, A drawing plate 32B for drawing the pellets P provided on the carriage 20 while being transported back and forth on the first guide rail 32A by a first power transmission means (not shown) And includes a first draw-out portion 32 which includes the first draw-
  • a first power source such as a motor or a cylinder, a conventional gear engagement or belt or sprocket connection method linked with the first power source, a link connection method,
  • a drawing plate 32B for drawing the pellets P provided on the carriage 20 while being transported back and forth on the first guide rail 32A by a first power transmission means (not shown)
  • a first draw-out portion 32 which includes the first draw-
  • the entire first draw-out portion 32 is connected to a common second power source (not shown), such as the first power source, and a second second power transmission means (not shown) in the form of the first power transmission means, (Not shown), such as the first power source, on the column frame 35 located on both sides, and a second power source (not shown) such as the first power source on both sides of the second guide rail 34A,
  • a third power transmission means such as a power transmission means and the pellet P
  • a lifting frame 36 including a platform 36A for lifting and lowering the lever P2.
  • a pair of fixing pins 32B-1 inserted into respective insertion holes (not shown) formed on the bottom surface of the pellet P and fixed to be securely and stably pulled out are further provided on the drawing plate 32B .
  • the elevating frame is first raised and lowered by the third power source and the third power transmitting means to the position to be drawn out.
  • the drawing plate is moved back to the first and second drawing portions And is transported to the stationary frame section 40 side to mount the drawn pellets P.
  • the elevator frame 36A presses the lever P2 provided on the pellet P while the elevator frame is lowered while the pellet is mounted on the stationary frame part. When the elevator frame is elevated, Can be unloaded.
  • the pellet setting unit again transports the pellets in the reverse order of the above-described order.
  • the pellet setting unit stably pulls out the pellet provided in the carriage with the mounting frame to be inspected, and then transports the pellet to the carriage again when the inspection is completed.
  • the respective fastening frames 42 disposed on both sides of the front of the stationary frame part 40 are provided with respective fixing holes 42A in the form of a roller in which the respective fixing grooves P4 formed on both sides of the pellet are inserted and fixed
  • the rear end of the pellet P is pushed to the rear of each of the mounting frames 40 located on the rear sides of the mounting frame portion 40 to push the pellet P toward the fixing port 42A of the front mounting frame 42, (Not shown).
  • the tightly adhered portion 45 includes respective close-contact plates 45B that are in contact with the rear end of the pellet P while being reciprocated by a respective normal reciprocating means 45A such as a cylinder or the like.
  • the stationary frame part serves to securely inspect the pellet by firmly supporting and fixing the pellet mounted on each of the stationary frame formed before and after the stationary frame without fluidity.
  • the magazine 50 includes a frame 52 in the form of a rectangular frame and a plurality of storage spaces 54 formed at both sides of the inside of the frame 52 to accommodate the respective clamp blocks C, And the mold frame 52 are rotatably mounted on a fixed frame 57 provided on the turntable 56.
  • the mold frame 52 is mounted on the fixed frame 57 in a normal up / And is detachably fixed by a fixing clamp 58 which is fixed or released.
  • the mold frame is rotatably provided on the opposite side of the clamp block setting part provided at the front side when the clamp blocks inserted into the housing space of the mold frame are to be replaced, So that it can be smoothly drawn out and replaced in the storage space.
  • the fixing clamp may be released to replace the entire frame frame from the fixed frame.
  • clamp blocks provided in the storage space are provided on the pellets provided on the carriage with respective FPCBs corresponding to specifications of the respective display panels to be inspected.
  • the magazine holds the clamp block with the FPCB used in the inspection of the display panel mounted on the pellet, and serves to store various types of clamp blocks in the storage spaces on both sides.
  • the clamp block C includes first and second clamp blocks C1 and C2 detachably formed to correspond to the mounting groove P3 formed in the pellet P, (C1) and (C2) include detachable FPCB (F) corresponding to each display panel to be inspected.
  • the first and second clamp blocks are fastened and fixed by conventional bolting, and the FPCB is fixed to each of the first and second clamp blocks by a conventional bracket or by an adhesive member such as double-sided tape or the like.
  • the clamp block setting unit 60 includes a fourth power source (not shown) of the same type as the first power source on the left and right conveying rails 61 and a fourth power transmitting means of the same type as the first power transmitting means
  • a second power source (not shown) of the same form as the first power source and a second power source (not shown) of the same type as the first power transmission means are provided in the vertical frame 62,
  • a mounting frame 64 which is lifted and lowered on the vertical rail 62A by power transmission means (not shown), and a sixth power source (not shown) of the same form as the first power source
  • the fourth power source and the fourth power transmitting means serve to transfer the hand unit from the magazine to the left and right so that the clamp block can be drawn or drawn.
  • the fifth power source and the fifth power transmitting means serve to adjust the height for drawing or inserting the clamp block into the magazine or the pellet.
  • sixth power source and the sixth power transmitting means perform the function of directly drawing or pulling the clamp block while being transferred back and forth.
  • the hand unit 70 is inserted into a pair of fixing holes C3 formed in the clamp block C on the front side of the main body 72 and is moved in a lateral direction
  • a pair of grippers 74 provided so as to be fixed and separated from each other while being fixed by a gripper 74 at the rear of the gripper 74,
  • a safety part 70A for releasing the pressure of the pusher to stop the insertion of the pusher when the load is generated.
  • the gripper and the pusher are provided in respective gripper blocks and pusher blocks positioned in front of the main body, and the gripper block and the pusher block are connected to and connected to the respective connection blocks connected to the inside of the main body.
  • the safety member releases the pressure when a load of more than a pressure set by a pneumatic pressure, a spring, a load cell or the like is generated in a conventional known manner.
  • the hand unit actually grips the clamp block and serves to pull in or pull out the grip block, and grips and releases the clamp block by a pair of grippers.
  • the pusher serves to draw the clamp block into the pellet or the magazine while holding the clamp block by the gripper.
  • the safety member provided in the main body is subjected to load when the gripper is inserted into the pellet by inserting the gripper into the pellet, and when the position is not properly inserted, the load is generated. As a result, pressure is released to prevent damage to the clamp block or damage to the pellet
  • the connection block in the main body connected to the gripper is moved backward on a conventional guide rail to secure safety.
  • Such a safety member is one of important factors that can ensure high safety when the hand unit is not properly set in position with the pellet.
  • the camera module when the camera module is set to a position where the clamp block is to be inserted into the pellet by the clamp block setting unit, if a slight error occurs, the camera module recognizes the error and inserts the clamp block into the pellet To the correct position.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

L'invention concerne un système de remplacement de FPCB destiné à l'inspection de panneau d'affichage, permettant de sélectionner un bloc de serrage sur lequel est montée une FPCB appropriée selon les spécifications d'un panneau d'affichage placé sur une palette pour l'inspection et de faciliter le remplacement sur la palette, le système de remplacement de FPCB pour l'inspection de panneau d'affichage comprenant : un cadre de base ; un chariot ; une unité de réglage de palette ; une unité de cadre de maintien ; des magasins permettant de stocker des blocs de serrage respectifs ; et une unité de réglage de bloc de serrage. En conséquence, le système de remplacement de FPCB destiné à l'inspection de panneau d'affichage permet l'inspection rapide et précise de divers types de panneaux d'affichage de spécifications différentes sans encombre ni inconvénient, ce qui a pour effet de maximiser l'efficacité d'inspection.
PCT/KR2018/010722 2017-09-14 2018-09-13 Système de remplacement de carte de circuit imprimé flexible (fpcb) pour inspection de panneau d'affichage WO2019054761A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2017-0117805 2017-09-14
KR1020170117805A KR101906793B1 (ko) 2017-09-14 2017-09-14 디스플레이 패널 검사를 위한 fpcb 교체시스템

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WO2019054761A1 true WO2019054761A1 (fr) 2019-03-21

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WO (1) WO2019054761A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111798775A (zh) * 2019-04-09 2020-10-20 利尔富(苏州)科技设备有限公司 根据显示面板尺寸间距可变的检测装置

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* Cited by examiner, † Cited by third party
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KR102153910B1 (ko) * 2019-04-09 2020-09-09 주식회사 이엘피 디스플레이 패널의 양측 얼라인 및 검사장치
KR102157070B1 (ko) * 2020-03-03 2020-09-17 주식회사 프로이천 오토 프로브장치
KR102630228B1 (ko) * 2021-12-30 2024-01-29 한화로보틱스 주식회사 기재 운반 핸드, 기재 운반 장치 및 기재 운반 방법

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KR19990016829A (ko) * 1997-08-20 1999-03-15 윤종용 액정 표시판의 투입 및 취출 장치
KR100524085B1 (ko) * 2004-09-17 2005-10-26 주식회사 메디코아 인쇄회로기판 검사용 픽스쳐
JP2006338007A (ja) * 2005-06-03 2006-12-14 Phicom Corp 液晶表示パネル検査装置
KR20110005084A (ko) * 2009-07-09 2011-01-17 아주하이텍(주) 기판 수납 용기와, 이를 구비한 기판 검사 장치
KR101346895B1 (ko) * 2012-11-21 2014-02-13 주식회사 이엘피 Ａｍｏｌｅｄ 패널 검사를 위한 표시 패널 검사 장치 및 그 모델 교체 방법

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KR19990016829A (ko) * 1997-08-20 1999-03-15 윤종용 액정 표시판의 투입 및 취출 장치
KR100524085B1 (ko) * 2004-09-17 2005-10-26 주식회사 메디코아 인쇄회로기판 검사용 픽스쳐
JP2006338007A (ja) * 2005-06-03 2006-12-14 Phicom Corp 液晶表示パネル検査装置
KR20110005084A (ko) * 2009-07-09 2011-01-17 아주하이텍(주) 기판 수납 용기와, 이를 구비한 기판 검사 장치
KR101346895B1 (ko) * 2012-11-21 2014-02-13 주식회사 이엘피 Ａｍｏｌｅｄ 패널 검사를 위한 표시 패널 검사 장치 및 그 모델 교체 방법

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111798775A (zh) * 2019-04-09 2020-10-20 利尔富(苏州)科技设备有限公司 根据显示面板尺寸间距可变的检测装置
CN111798775B (zh) * 2019-04-09 2022-11-15 利尔富(苏州)科技设备有限公司 根据显示面板尺寸间距可变的检测装置

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