KR20000014699A - Polarizing plate adherence apparatus of liquid crystal display - Google Patents

Polarizing plate adherence apparatus of liquid crystal display Download PDF

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Publication number
KR20000014699A
KR20000014699A KR1019980034243A KR19980034243A KR20000014699A KR 20000014699 A KR20000014699 A KR 20000014699A KR 1019980034243 A KR1019980034243 A KR 1019980034243A KR 19980034243 A KR19980034243 A KR 19980034243A KR 20000014699 A KR20000014699 A KR 20000014699A
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KR
South Korea
Prior art keywords
roller
polarizing plate
tape
film
glass substrate
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KR1019980034243A
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Korean (ko)
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KR100513653B1 (en
Inventor
박지혁
최상언
Original Assignee
김영환
현대전자산업 주식회사
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Priority to KR10-1998-0034243A priority Critical patent/KR100513653B1/en
Publication of KR20000014699A publication Critical patent/KR20000014699A/en
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Publication of KR100513653B1 publication Critical patent/KR100513653B1/en

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
    • 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
    • G02F1/133528—Polarisers

Abstract

PURPOSE: A polarizing plate adherence apparatus of liquid crystal display is provided to take off a thin film from a polarizing plate and adhere the polarizing plate on a glass substrate. CONSTITUTION: A glass substrate(G) is returned on a plurality of returning rollers(7). A center of the returning roller(7) is separately disposed. A polarizing plate adherence upper/lower roller(1,2) are rotatable disposed between space of the center of the returning roller(7). A roller(3) is disposed on a side part of the polarizing plate adherence lower roller(2). A thin film(F) is adhered on the roller(3) by rotating in an opposite direction of the roller(2). A thin film winding roller(4) is disposed on one side of a thin film adherence roller(3).

Description

액정표시소자의 편광판 부착 장치Polarizer Attachment Device for LCD

본 발명은 액정표시소자의 편광판 부착 장치에 관한 것으로서, 보다 구체적으로는 박막 필름이 부착된 구조의 편광판에서 박리 필름을 떼어내서 편광판만을 액정표시소자의 유리기판에 부착하는 장치에 관한 것이다.The present invention relates to an apparatus for attaching a polarizing plate of a liquid crystal display device, and more particularly, to an apparatus for attaching only a polarizing plate to a glass substrate of a liquid crystal display device by removing a release film from a polarizing plate having a thin film.

일반적으로, 액정의 위상을 변화시켜 원하는 글자나 문자 또는 숫자를 디스플레이시키는 액정표시소자는 2개의 유리기판 사이에 액정이 봉입된 구조의 액정 셀과, 이 액정 셀로 빛을 조사하는 백 라이트 유니트를 포함한다.In general, a liquid crystal display device for changing a phase of a liquid crystal to display desired letters, letters, or numbers includes a liquid crystal cell having a structure in which a liquid crystal is enclosed between two glass substrates, and a backlight unit for irradiating light with the liquid crystal cell. do.

액정 셀은 화소전극이 형성된 하부 유리기판과 상부 유리기판 각각의 내측면에 액정 분자의 초기 배열 상태를 결정하는 배향막을 설치하고, 2개의 유리기판 중 어느 하나의 유리기판상에는 접착제를 프린트하고, 다른 하나의 유리기판에는 스페이서를 코팅한 후, 봉착 공정에서 이들 2개의 유리기판을 겹쳐 포갠 상태로 압착장치의 건조 오븐에 넣고, 열압착을 실시함으로써 제작된다.The liquid crystal cell is provided with an alignment film for determining the initial arrangement state of the liquid crystal molecules on the inner surface of each of the lower glass substrate and the upper glass substrate on which the pixel electrode is formed, and an adhesive is printed on one of the two glass substrates. The glass substrate is coated on one glass substrate, and the two glass substrates are overlapped in the sealing process and placed in a drying oven of the pressing apparatus, followed by thermocompression.

이러한 액정 셀에는 빛이 일정한 방향으로만 입사되도록, 유리기판에 편광판을 부착하게 되는데, 편광판은 박리 필름이 부착된 상태로 보관되도록 되어 있다. 따라서, 편광판을 유리기판에 부착하기 위해서는, 편광판에서 박리 필름을 떼어내야만 한다.The polarizing plate is attached to the glass substrate so that light is incident only in a predetermined direction to the liquid crystal cell, and the polarizing plate is kept in a state where the release film is attached. Therefore, in order to attach the polarizing plate to the glass substrate, the release film must be removed from the polarizing plate.

그런데, 종래에는 편광판에서 박리 필름을 수작업으로 떼어내었다. 이로 인하여, 액정표시소자 제조 공정중 편광판 부착 공정이 상습적인 병목 공정이 되어서, 전체 공정 시간이 길어지는 문제점이 있었다.By the way, conventionally, the peeling film was peeled off manually from the polarizing plate. For this reason, in the liquid crystal display device manufacturing process, the polarizing plate attaching process becomes a habitual bottleneck process, and there is a problem in that the overall process time is long.

따라서, 본 발명은 상기와 같은 문제점을 해소하기 위해 안출된 것으로서, 편광판에서 박리 필름을 자동으로 떼어내고, 편광판을 유리기판에 부착할 수 있는 액정표시소자의 편광판 부착 장치를 제공하는데 목적이 있다.Accordingly, an object of the present invention is to provide an apparatus for attaching a polarizing plate of a liquid crystal display device capable of automatically removing a release film from a polarizing plate and attaching the polarizing plate to a glass substrate.

도 1 내지 도 3은 본 발명에 따른 편광판 부착 장치를 나타낸 것으로서,1 to 3 show a polarizing plate attachment device according to the present invention,

도 1은 편광판에서 박리 필름이 떼어짐과 아울러 박리 필름이 테이프에 부착되는 동작을 나타낸 도면1 is a view showing an operation in which the release film is attached to the tape while the release film is peeled off from the polarizing plate

도 2는 편광판이 유리기판에 부착되는 동작을 나타낸 도면2 is a view illustrating an operation in which a polarizing plate is attached to a glass substrate

도 3은 박리 필름이 부착된 테이프가 권취 롤러에 감겨지는 동작을 나타낸 도면3 is a view showing an operation in which a tape with a release film is wound around a winding roller;

- 도면의 주요 부분에 대한 부호의 설명 --Explanation of symbols for the main parts of the drawing-

G - 유리기판 P - 편광판G-Glass Substrate P-Polarizer

F - 박리 필름 T - 테이프F-Release Film T-Tape

1 - 편광판 부착 상부 롤러 2 - 편광판 부착 하부 롤러1-Upper roller with polarizer 2-Lower roller with polarizer

3 - 박리 필름 부착 롤러 4 - 박리 필름 권취 롤러3-peeling film attachment roller 4-peeling film winding roller

5 - 테이프 공급 롤러 6 - 테이프 권취 롤러5-Tape Feed Roller 6-Tape Winding Roller

7 - 반송 롤러7-conveying roller

상기와 같은 목적을 달성하기 위해 본 발명에 따른 부착 장치는 다음과 같은 구성으로 이루어진다.In order to achieve the above object, the attachment device according to the present invention has the following configuration.

유리기판은 다수의 반송 롤러를 타고 반송된다. 반송 롤러의 중간은 이격배치되고, 그 사이 상하부에 편광판을 유리기판에 부착하는 편광판 부착 상하부 롤러가 회전가능하게 배치된다. 편광판 부착 하부 롤러의 측부에는, 이 롤러와 반대 방향으로 회전되어서 박리 필름이 부착되는 롤러가 인접하게 배치되어서, 편광판 부착 하부 롤러에는 박리 필름이 떼어진 편광판만이 권취된다. 박리 필름 부착 롤러의 측부에 박리 필름 권취 롤러가 인접하게 배치되고, 서로 반대 방향으로 회전된다. 박리 필름 권취 롤러의 일측에는 낱개의 박리 필름이 하나씩 부착되는 테이프를 공급하는 롤러와, 박리 필름이 부착된 테이프가 권취되는 롤러가 배치된다.The glass substrate is conveyed by a plurality of conveying rollers. The middle of the conveyance roller is spaced apart, and the upper and lower rollers with the polarizing plate for attaching the polarizing plate to the glass substrate are disposed rotatably between the upper and lower portions therebetween. On the side part of the lower roller with a polarizing plate, the roller which rotates in the opposite direction to this roller and attaches a peeling film is arrange | positioned adjacent, and only the polarizing plate with which the peeling film was peeled off is wound by the lower roller with a polarizing plate. A peeling film winding roller is arrange | positioned adjacent to the side part of a peeling film sticking roller, and is rotated in the mutually opposite direction. On one side of the release film winding roller, a roller for supplying a tape to which the respective release films are attached one by one, and a roller to which the tape with the release film is wound are disposed.

상기된 본 발명의 구성에 의하면, 편광판 부착 하부 롤러와 박리 필름 부착 롤러 사이로 지나면서 편광판은 편광판 부착 하부 롤러에, 박리 필름은 박리 필름 부착 롤러에 권취되어서, 편광판은 상하부 롤러에 의해 기판에 부착되고, 박리 필름은 테이프에 부착되어 권취 롤러에 감겨지게 된다.According to the above-described configuration of the present invention, the polarizing plate is wound on the lower roller with the polarizing plate and the release film is wound on the roller with the peeling film while passing between the lower roller with the polarizing plate and the roller with the peeling film, and the polarizing plate is attached to the substrate by the upper and lower rollers The release film is attached to the tape and wound around the winding roller.

이하, 본 발명의 바람직한 실시예를 첨부도면에 의거하여 상세히 설명한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1 내지 도 3은 본 발명에 따른 편광판 부착 장치를 나타낸 것으로서, 도 1은 편광판에서 박리 필름이 떼어짐과 아울러 박리 필름이 테이프에 부착되는 동작을 나타낸 도면이고, 도 2는 편광판이 유리기판에 부착되는 동작을 나타낸 도면이며, 도 3은 박리 필름이 부착된 테이프가 권취 롤러에 감겨지는 동작을 나타낸 도면이다.1 to 3 show a polarizing plate attachment apparatus according to the present invention, Figure 1 is a view showing an operation in which the release film is attached to the tape and the peeling film is peeled off from the polarizing plate, Figure 2 is a polarizing plate on the glass substrate It is a figure which shows the operation | movement to attach, and FIG. 3 is a figure which shows the operation | movement by which the tape with a peeling film was wound by the winding roller.

도 1에 도시된 바와 같이, 유리기판(G)은 다수의 반송 롤러(7)를 타고 반송된다. 반송 롤러(7)는 중간이 이격배치되고, 그 사이 상하부에 편광판 부착 상하부 롤러(1,2)가 반대 방향으로 회전되도록 배치된다.As shown in FIG. 1, the glass substrate G is conveyed by a plurality of conveying rollers 7. The conveyance roller 7 is arrange | positioned so that the intermediate | middle may be spaced apart, and the upper and lower rollers 1 and 2 with a polarizing plate may rotate in the opposite direction in the upper and lower parts between them.

박리 필름 부착 롤러(3)는 편광판 부착 하부 롤러(2)의 우측부에 인접,배치되는데, 각 롤러(2,3)는 서로 반대 방향으로 회전된다. 박리 필름(F)상에 부착된 편광판(P)은 각 롤러(2,3) 사이로 진입되어, 편광판(P)은 편광판 부착 하부 롤러(2)에 권취되고, 박리 필름(F)은 박리 필름 부착 롤러(3)에 권취된다.The release film attaching roller 3 is disposed adjacent to the right side of the lower roller attaching the polarizing plate, and the rollers 2 and 3 are rotated in opposite directions to each other. The polarizing plate P attached on the peeling film F enters between each roller 2 and 3, the polarizing plate P is wound up by the lower roller 2 with a polarizing plate, and the peeling film F is attached with a peeling film It is wound up by the roller 3.

한편, 박리 필름 부착 롤러(3)에 권취된 낱개의 박리 필름(F)은 테이프(T)에 부착되어 보관된다. 테이프(T)를 공급하는 롤러(5)가 박리 필름 부착 롤러(3)의 우측에 소정 거리를 두고 배치된다. 테이프 공급 롤러(5)로부터 테이프(T)를 공급받는 박리 필름 권취 롤러(4)가 박리 필름 부착 롤러(3)에 인접하게 배치되어서, 박리 필름(F)을 전달받게 된다. 테이프(T)는 박리 필름 권취 롤러(4)를 지나 테이프 공급 롤러(5)의 하부에 배치된 테이프 권취 롤러(6)로 이어진다. 따라서, 박리 필름(F)은 테이프(T)에 부착되어서, 테이프 권취 롤러(6)에 권취되어진다. 한편, 테이프 공급 및 권취 롤러(5,6)와 박리 필름 권취 롤러(4)는 박리 필름 부착 롤러(3)와 반대 방향으로 회전된다.On the other hand, each peeling film F wound up by the peeling film attachment roller 3 is affixed on the tape T, and is stored. The roller 5 which supplies the tape T is arrange | positioned at the right side of the roller 3 with a peeling film at predetermined distance. The peeling film winding roller 4 which receives the tape T from the tape supply roller 5 is arrange | positioned adjacent to the peeling film attachment roller 3, and receives the peeling film F. As shown in FIG. The tape T passes through the release film winding roller 4 and leads to the tape winding roller 6 disposed below the tape feeding roller 5. Therefore, the peeling film F is affixed on the tape T, and is wound up by the tape winding roller 6. On the other hand, the tape feed and take-up rollers 5 and 6 and the release film take-up roller 4 are rotated in the opposite directions to the release film attaching roller 3.

이하, 상기와 같이 구성된 본 실시예의 동작을 도 1 내지 도 3을 참고로 하여 상세히 설명한다.Hereinafter, the operation of the present embodiment configured as described above will be described in detail with reference to FIGS. 1 to 3.

먼저, 도 1에서, 박리 필름(F)상에 부착된 편광판(P)은 편광판 부착 하부 롤러(2)와 박리 필름 부착 롤러(3) 사이를 지나면서, 편광판 부착 하부 롤러(2)에 권취되고, 편광판(P)에서 떼어진 박리 필름(F)은 박리 필름 부착 롤러(3)에 권취된다.First, in FIG. 1, the polarizing plate P attached on the release film F is wound around the lower roller 2 with the polarizing plate while passing between the lower roller 2 with the polarizing plate and the roller 3 with the release film. The peeling film F peeled off from the polarizing plate P is wound up by the roller 3 with a peeling film.

편광판(P)은 도 2와 같이, 반송 롤러(7)를 타고 반송되는 유리기판(G)에 상하부 롤러(1,2)에 의해 압착되어 부착된다. 한편, 박리 필름(F)은 박리 필름 권취 롤러(4)에 권취되면서, 테이프 공급 롤러(5)에서 공급되는 테이프(T)에 하나씩 부착된다.As shown in FIG. 2, the polarizing plate P is squeezed and attached to the glass substrate G conveyed on the conveying roller 7 by the upper and lower rollers 1 and 2. On the other hand, the peeling film F is attached to the tape T supplied from the tape feed roller 5 one by one, winding up by the peeling film winding roller 4.

이어서, 도 3와 같이, 편광판(P)이 부착된 유리기판(G)은 반출되고, 박리 필름(F)이 부착된 테이프(T)는 테이프 권취 롤러(6)에 권취되어진다.Subsequently, as shown in FIG. 3, the glass substrate G with the polarizing plate P is carried out, and the tape T with the peeling film F is wound around the tape winding roller 6.

상기된 바와 같이 본 발명에 의하면, 편광판에서 박리 필름이 자동으로 떼어지고, 편광판은 상하부 롤러에 의해 유리기판에 부착되며, 박리 필름은 테이프에 자동적으로 부착되어 보관되므로써, 편광판 부착 공정 시간이 단축된다.As described above, according to the present invention, the release film is automatically peeled off from the polarizing plate, the polarizing plate is attached to the glass substrate by the upper and lower rollers, and the release film is automatically attached to the tape and stored so that the time for attaching the polarizing plate is shortened. .

한편, 본 발명은 상술한 특정의 바람직한 실시예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변경 실시가 가능할 것이다.On the other hand, the present invention is not limited to the above-described specific preferred embodiments, and various changes can be made by those skilled in the art without departing from the gist of the invention claimed in the claims. will be.

Claims (1)

유리기판을 반송하는 반송 롤러가 이격배치된 사이의 상하부에 서로 반대 방향으로 회전되도록 배치되어, 상기 유리기판에 편광판을 압착하여 부착하는 편광판 부착 상하부 롤러;Upper and lower rollers with a polarizing plate arranged to rotate in the opposite direction to the upper and lower portions between the conveying roller for transporting the glass substrate in a spaced apart direction, the polarizing plate is pressed to the glass substrate; 상기 편광판 부착 하부 롤러의 측부에 인접,배치되고 서로 반대 방향으로 회전되어서, 상기 편광판에서 박리 필름을 떼어내어서 편광판만이 편광판 부착 하부 롤러에 권취되도록 하고, 떼어진 박리 필름이 부착되는 박리 필름 부착 롤러;Adjacent to the side of the lower roller with a polarizing plate attached, rotated in the opposite direction to remove the peeling film from the polarizing plate so that only the polarizing plate is wound on the lower roller with a polarizing plate, the peeling film attached with the peeled off film roller; 상기 박리 필름 부착 롤러의 측부에 소정 거리를 두고 배치되어, 상기 박리 필름이 부착되는 테이프를 공급하는 테이프 공급 롤러;A tape feed roller disposed at a side of the release film attachment roller at a predetermined distance to supply a tape to which the release film is attached; 상기 박리 필름 부착 롤러에 서로 반대 방향으로 회전되도록 인접,배치되고, 상기 테이프 공급 롤러로부터 테이프를 공급받아, 박리 필름이 테이프에 권취되면서 부착되는 박리 필름 권취 롤러; 및A peeling film winding roller adjacent to and disposed on the peeling film attaching roller in a direction opposite to each other, and receiving a tape from the tape supply roller, and attaching the peeling film while being wound onto the tape; And 상기 박리 필름 권취 롤러로부터 전달된 박리 필름이 부착된 테이프이 권취되는 테이프 권취 롤러를 포함하는 것을 특징으로 하는 액정표시소자의 편광판 부착 장치.And a tape winding roller on which the tape with the release film transferred from the release film winding roller is wound.
KR10-1998-0034243A 1998-08-24 1998-08-24 Polarizer Attachment Device for LCD KR100513653B1 (en)

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Cited By (6)

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KR100799236B1 (en) * 2006-12-05 2008-01-30 주식회사 에스에프에이 Apparatus for attaching polarizer to lcd panel
KR100846323B1 (en) * 2006-12-05 2008-07-16 주식회사 에스에프에이 Apparatus For Attaching Polarizer To LCD Panel
KR101121431B1 (en) * 2009-01-29 2012-03-15 엘아이지에이디피 주식회사 Apparatus for attaching polorizer
KR101341430B1 (en) * 2012-03-30 2013-12-13 주식회사 에스에프에이 Apparatus for attaching polarizing film
KR101485385B1 (en) * 2012-06-29 2015-01-23 가부시키가이샤 히타치세이사쿠쇼 Film sticking device
KR101529757B1 (en) * 2008-01-09 2015-06-17 닛토덴코 가부시키가이샤 Manufacturing system of optical display device and manufacturing method of optical display device

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KR101062454B1 (en) 2009-01-29 2011-09-05 엘아이지에이디피 주식회사 Polarizer Attachment Device
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KR100799236B1 (en) * 2006-12-05 2008-01-30 주식회사 에스에프에이 Apparatus for attaching polarizer to lcd panel
KR100846323B1 (en) * 2006-12-05 2008-07-16 주식회사 에스에프에이 Apparatus For Attaching Polarizer To LCD Panel
KR101529757B1 (en) * 2008-01-09 2015-06-17 닛토덴코 가부시키가이샤 Manufacturing system of optical display device and manufacturing method of optical display device
KR101121431B1 (en) * 2009-01-29 2012-03-15 엘아이지에이디피 주식회사 Apparatus for attaching polorizer
KR101341430B1 (en) * 2012-03-30 2013-12-13 주식회사 에스에프에이 Apparatus for attaching polarizing film
KR101485385B1 (en) * 2012-06-29 2015-01-23 가부시키가이샤 히타치세이사쿠쇼 Film sticking device

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