WO2014059627A1 - Dispositif de connexion pour équipement de test de lcd - Google Patents

Dispositif de connexion pour équipement de test de lcd Download PDF

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Publication number
WO2014059627A1
WO2014059627A1 PCT/CN2012/083090 CN2012083090W WO2014059627A1 WO 2014059627 A1 WO2014059627 A1 WO 2014059627A1 CN 2012083090 W CN2012083090 W CN 2012083090W WO 2014059627 A1 WO2014059627 A1 WO 2014059627A1
Authority
WO
WIPO (PCT)
Prior art keywords
conductive
liquid crystal
lcd
pressing plate
glue stick
Prior art date
Application number
PCT/CN2012/083090
Other languages
English (en)
Chinese (zh)
Inventor
赵林
Original Assignee
Zhao Lin
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 Zhao Lin filed Critical Zhao Lin
Priority to PCT/CN2012/083090 priority Critical patent/WO2014059627A1/fr
Publication of WO2014059627A1 publication Critical patent/WO2014059627A1/fr

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Classifications

    • 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
    • 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
    • G01R1/06—Measuring leads; Measuring probes
    • G01R1/067—Measuring probes
    • G01R1/06711—Probe needles; Cantilever beams; "Bump" contacts; Replaceable probe pins
    • G01R1/06716—Elastic
    • G01R1/06722—Spring-loaded

Definitions

  • the utility model belongs to the field of liquid crystal screen production and detection, in particular to the field of liquid crystal screen detection equipment.
  • the application of the liquid crystal display in various aspects has brought convenience and practicality to the people. Due to the characteristics of the liquid crystal screen itself, the liquid crystal display screen needs necessary detection steps in the production process to ensure the pass rate, and the liquid crystal display in the prior art
  • the detection work is carried out in a card insertion mode.
  • the so-called card insertion mode is to design the connection member of the detection device into a slot type connection slot, insert the connection electrode of the liquid crystal display to be detected into the connection slot, and then pass the detection device to the liquid crystal.
  • connection slot of such a detection device has three disadvantages:
  • the connecting electrode of the liquid crystal display panel is subjected to the wear of the connecting elastic piece at least twice. Since the plating layer of the connecting electrode is very thin, it is easy to fall off after being worn, and there is no problem in the detection, but the peeling of the plating layer when the connecting electrode is pulled out is easy to cause the display screen Become a problem display marked as a good product;
  • the detection process will also cause wear on the connecting elastic piece.
  • the electrode coating on the connecting elastic piece will also fall off after long-term use, which may lead to errors in the detection result.
  • the elastic force of the elastic piece is also likely to occur, and the virtual connection of the connection also appears. The test result is incorrect;
  • the connecting groove has a plurality of connecting elastic pieces, which has high production cost and at the same time has the problem of the second point mentioned above. After the problem occurs, the replacement cost is high, and the production cost of the liquid crystal display is improved as a whole.
  • the purpose of the present invention is to provide a connection device for a liquid crystal panel quality inspection device, which aims to solve the problem that the connection electrode of the liquid crystal display panel in the prior art is easily worn by the connection groove of the detection device.
  • a connecting device for a liquid crystal panel quality inspection device comprising: a pressure plate and a conductive glue stick, wherein the conductive glue stick has a plurality of conductive materials respectively corresponding to the connection electrodes of the liquid crystal screen a ring, the pressure plate is disposed above the conductive glue stick.
  • the platen is provided with a platen conducting electrode corresponding to the conductive ring.
  • a lower pressing plate is disposed under the conductive glue stick, and the lower pressing plate and the pressing plate are connected by an elastic member that can generate a closing pressure between the lower pressing plate and the pressing plate.
  • the connecting device of the liquid crystal panel quality inspection device provided by the utility model is used to place the liquid crystal screen to be detected on the working platform, and the conductive glue stick is placed on the connecting electrode of the liquid crystal panel.
  • the conductive ring is connected to the detecting device through a cable, and the pressing plate presses the conductive glue stick to urge the connecting electrode of the conductive ring and the liquid crystal screen
  • the tight connection is in sufficient contact, and the detection signal of the detecting device can be well input into the liquid crystal panel through the conductive ring for detection. Due to the physical characteristics of the conductive glue stick, the conductive material is subjected to the downward pressure of the pressing plate.
  • the glue stick may be slightly deformed to ensure that the conductive ring is in tight contact with the connection electrode of the liquid crystal screen; or, the conductive glue stick is placed on the working platform, and then the connection electrode of the liquid crystal panel is downwardly
  • the conductive rings of the conductive glue sticks are in one-to-one correspondence, and the pressure plate presses the back surface of the connection electrode to force the connection electrode and the conductive Claudin full contact, will also be capable of detecting a good signal detection apparatus through the conductive ring input to the liquid crystal panel is detected so as to achieve the effect of avoiding the liquid crystal panel is connected to the electrode wear.
  • Figure 1 is a side view of the product of the embodiment provided by the present invention.
  • FIG. 2 is a schematic view of a liquid crystal panel provided by the present invention.
  • Figure 3 is a schematic view of the product of the embodiment provided by the present invention.
  • an embodiment of the present invention provides a connection device for a liquid crystal panel quality inspection apparatus, including a pressure plate 2a and a conductive glue stick 1a.
  • the conductive glue stick 1a has a plurality of liquid crystal panels 3
  • the connecting electrodes 31 respectively correspond to the conductive rings 11a, and the pressing plate 2a is disposed above the conductive glue sticks 1a.
  • the connecting device of the liquid crystal display quality inspection device provided by the present invention is in use.
  • the liquid crystal panel 3 to be inspected is placed on the working platform, and the conductive glue stick 1a is placed above the connection electrode 31 of the liquid crystal panel 3, and the conductive ring 11a is in one-to-one correspondence with the connection electrode 31.
  • the conductive ring 11a is connected to the detecting device through a cable, and the pressing plate 2a presses down the conductive glue stick 1 to urge the conductive ring 11a to be in close contact with the connecting electrode 31 of the liquid crystal panel 3, so that the detecting device can be well
  • the detection signal is input into the liquid crystal panel through the conductive ring 11a for detection. Due to the physical property of the conductive glue stick 1a, the conductive glue stick 1a may be slightly deformed when subjected to the downward pressure of the pressure plate 2a.
  • the conductive rings 11a permit sufficient contact with the tight junctions connecting the electrodes 3 to the liquid crystal panel 31, to achieve the effect of avoiding wear of the connection electrode 31 is a liquid crystal panel 3.
  • the conductive ring 11a on the conductive glue stick 1a is connected to the detecting device through a cable, the conductive ring 11a is often formed by winding a conductive wire on the conductive glue stick 1a, and connecting the conductive ring with a cable.
  • 11a has a certain difficulty, so that the platen 2a is further provided with a platen guide electrode 21a corresponding to the conductive ring 11a, the platen lead electrode 21a is connected to the detecting device by a cable, and the detecting device passes through the platen conducting electrode
  • the full connection of 21a to the conductive ring 11a transmits a signal to the connection electrode 31 located under the conductive glue stick 1a, and the detection operation of the liquid crystal panel 3 is performed.
  • a lower pressing plate 9b is disposed under the conductive glue stick 1b, and the lower pressing plate 9b and the pressing plate 2b pass through the lower pressing plate 9b and the pressing plate.
  • 2b is connected to the elastic member 92b which generates the closing pressure, and presses the elastic member 92b of the connecting portion of the pressing plate 2b and the lower pressing plate 9b, and the connecting electrode 31 of the liquid crystal panel is aligned between the lower pressing plate 9b and the conductive stirring rod 1b.
  • the liquid crystal panel can be detected, and the wear caused when the connection electrode 31 is hardly inserted into the detecting card is avoided.

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

Abstract

L'invention concerne un dispositif de connexion pour un équipement de test de LCD, comprenant une plaque de pression (2a) et une baguette en caoutchouc conducteur (1a), ladite baguette en caoutchouc conducteur (1a) comprenant une pluralité de bagues conductrices (11a) aptes à correspondre de manière respective à des électrodes de connexion (31) d'un LCD (3) ; la plaque de pression (2a) est disposée au-dessus de la baguette en caoutchouc conducteur (1a) ; durant l'utilisation, un LCD (3) nécessitant un test est positionné sur une plateforme de travail, la baguette en caoutchouc conducteur (1a) est positionnée au-dessus des électrodes de connexion (31) du LCD (3), et les bagues conductrices (11a) sont alignées une à une avec les électrodes de connexion (31) ; les bagues conductrices (11a) sont connectées par l'intermédiaire d'un câble à un équipement de test ; la plaque de pression (2a) commence à appliquer une pression sur la baguette en caoutchouc conducteur (1a), ce qui amène les bagues conductrices (11a) à être connectées fermement et en contact total avec les électrodes de connexion (31) du LCD (3), ce qui assure que des signaux de test d'équipement de test peuvent être transférés avec succès par l'intermédiaire des bagues conductrices (11a) vers le LCD (3), ce qui lance le test ; les caractéristiques physiques inhérentes de la baguette en caoutchouc conducteur (1a) permettent à ladite baguette (1a) de se déformer légèrement sous une pression provenant de la plaque de pression (2a), ce qui assure que les bagues conductrices (11a) sont connectées fermement et en contact total avec les électrodes de connexion (31) du LCD (3).
PCT/CN2012/083090 2012-10-17 2012-10-17 Dispositif de connexion pour équipement de test de lcd WO2014059627A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2012/083090 WO2014059627A1 (fr) 2012-10-17 2012-10-17 Dispositif de connexion pour équipement de test de lcd

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2012/083090 WO2014059627A1 (fr) 2012-10-17 2012-10-17 Dispositif de connexion pour équipement de test de lcd

Publications (1)

Publication Number Publication Date
WO2014059627A1 true WO2014059627A1 (fr) 2014-04-24

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ID=50487447

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/083090 WO2014059627A1 (fr) 2012-10-17 2012-10-17 Dispositif de connexion pour équipement de test de lcd

Country Status (1)

Country Link
WO (1) WO2014059627A1 (fr)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61259152A (ja) * 1985-05-14 1986-11-17 Toppan Printing Co Ltd 透明電極の検査方法
CN1527046A (zh) * 2003-03-07 2004-09-08 友达光电股份有限公司 液晶显示面板的测试方法及其设备
CN2836049Y (zh) * 2005-08-30 2006-11-08 上海海晶电子有限公司 电测夹具
US20070153226A1 (en) * 2005-12-29 2007-07-05 Lg.Philips Lcd Co., Ltd. Apparatus for testing liquid crystal display panel
CN101666930A (zh) * 2009-09-28 2010-03-10 友达光电(厦门)有限公司 显示面板测试装置
CN201965370U (zh) * 2010-12-09 2011-09-07 海南清华显示器科技开发有限公司 一种印刷电路板测试架
CN202149991U (zh) * 2011-08-04 2012-02-22 瀚斯宝丽显示科技（南京）有限公司 液晶显示面板检测装置中短路杆之导电胶及其固定装置
CN202771126U (zh) * 2012-09-13 2013-03-06 赵林 一种压杆式液晶屏检测连接装置
CN202771127U (zh) * 2012-09-13 2013-03-06 赵林 一种液晶屏检测连接装置
CN202771124U (zh) * 2012-09-13 2013-03-06 赵林 一种液晶屏质检设备的连接装置
CN202817250U (zh) * 2012-10-09 2013-03-20 赵林 一种金手指连接装置

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61259152A (ja) * 1985-05-14 1986-11-17 Toppan Printing Co Ltd 透明電極の検査方法
CN1527046A (zh) * 2003-03-07 2004-09-08 友达光电股份有限公司 液晶显示面板的测试方法及其设备
CN2836049Y (zh) * 2005-08-30 2006-11-08 上海海晶电子有限公司 电测夹具
US20070153226A1 (en) * 2005-12-29 2007-07-05 Lg.Philips Lcd Co., Ltd. Apparatus for testing liquid crystal display panel
CN101666930A (zh) * 2009-09-28 2010-03-10 友达光电(厦门)有限公司 显示面板测试装置
CN201965370U (zh) * 2010-12-09 2011-09-07 海南清华显示器科技开发有限公司 一种印刷电路板测试架
CN202149991U (zh) * 2011-08-04 2012-02-22 瀚斯宝丽显示科技（南京）有限公司 液晶显示面板检测装置中短路杆之导电胶及其固定装置
CN202771126U (zh) * 2012-09-13 2013-03-06 赵林 一种压杆式液晶屏检测连接装置
CN202771127U (zh) * 2012-09-13 2013-03-06 赵林 一种液晶屏检测连接装置
CN202771124U (zh) * 2012-09-13 2013-03-06 赵林 一种液晶屏质检设备的连接装置
CN202817250U (zh) * 2012-10-09 2013-03-20 赵林 一种金手指连接装置

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