KR20080106394A - The roll with hardening system mounted on - Google Patents

The roll with hardening system mounted on Download PDF

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KR20080106394A
KR20080106394A KR1020080098886A KR20080098886A KR20080106394A KR 20080106394 A KR20080106394 A KR 20080106394A KR 1020080098886 A KR1020080098886 A KR 1020080098886A KR 20080098886 A KR20080098886 A KR 20080098886A KR 20080106394 A KR20080106394 A KR 20080106394A
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South Korea
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roll
quartz
curing system
light
hardening system
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KR1020080098886A
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Korean (ko)
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KR100977478B1 (en
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김준섭
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(주)피엔티
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
    • B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
    • B05D3/065—After-treatment
    • B05D3/067—Curing or cross-linking the coating
    • 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
    • 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
    • G02F2202/00—Materials and properties
    • G02F2202/28—Adhesive materials or arrangements

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

A roll having a hardening system is provided to reduce the number of diffusing sheet, thereby reducing the thickness of the LCD device and manufacturing cost. A pressing roll(15) and quartz roll(20) Sheets having fine cell shape patterns are pressed by the pressing roll, and a quart roll. A hardening system(25) sticks the sheets. A light blocking roll(48) blocks light from the gap between the pressing roll and the quartz roll. A roll having a hardening system includes the hardening system which is placed the most adjacent place of the creatures of quartz roll, and brackets(29a,29b) which control the height of the hardening system and rotation angle.

Description

경화시스템이 장착된 롤{The roll with hardening system mounted on}Roll with hardening system mounted on

본 발명은 경화시스템이 장착된 롤에 관한 것으로서, 석영관(Quartz Tube)을 롤(Roll)로 하고 그 내부에 경화용 파장을 발생하는 경화 장치를 장착시켜 별도의 경화장치가 없이 직접 피조물에 경화용 파장을 조사하는 동시에 가압을 하므로서 요구하는 피조물들의 합착이 가능하도록 한 경화시스템이 장착된 롤에 관한 것이다.The present invention relates to a roll equipped with a curing system, wherein a quartz tube is used as a roll, and a curing device that generates a curing wavelength is mounted therein, thereby curing the workpiece directly without a separate curing device. The present invention relates to a roll equipped with a curing system which enables the bonding of required components by applying pressure while simultaneously irradiating a molten wavelength.

영상표시수단으로 각광을 받고 있는 액정표시장치(LCD: Liquid Crystal Display)는 기존의 전자총을 사용하고 진공관 내 조사된 데이터를 일정한 지점까지 안내하는 전류를 방출하여 요구되는 지점에 도달시켜 영상화하는 음극선관(CRT: Cathode-Ray Tube)과는 달리 전력소모가 매우 적고, 얇고 가벼운 특징이 있어 급속한 개발 및 보급이 이루어지는데, 이러한 액정표시장치는 자체적으로 빛을 발산하지 못하여 필요한 광원을 얻고자 반드시 액정 패널(Panel) 후면에 광원을 조사하는 백라이트 유닛(BLU: Back Light Unit)이라는 장치를 사용하는 바, 이 장치는 필요한 광원을 얻기 위하여 아크릴로 구성된 도광판 위에 반사판, 확산시트, 프리즘시트 등의 필름 형 부품을 여러 장 채택하여 구성하게 된다.A liquid crystal display (LCD), which has been spotlighted as an image display means, uses a conventional electron gun and emits a current guiding the irradiated data in a vacuum tube to a certain point to reach a required point and image it. Unlike (CRT: Cathode-Ray Tube), it has very low power consumption, thin and light features, so rapid development and dissemination is possible. These liquid crystal display devices do not emit light by themselves and must obtain a necessary light source. (Panel) Back Light Unit (BLU) is used to irradiate the light source on the back side, which is a film-type component such as reflector, diffuser sheet, prism sheet, etc. It is composed of several chapters.

상기 백라이트 유닛에 사용되는 광학용 시트는 한쪽에 셀 형상의 면을 갖고, 다른 한쪽에는 매끄러운 면을 갖는 투명한 중합체 물질로 이루어지며, 이에 입사되는 광선은 표면에 형성된 셀 형상으로 인해 입사광의 상당한 부분은 투과되고, 그 나머지는 전반사가 되는 등 그 광학용 시트의 특성에 따라 요구되는 빛의 확산과 반사 등의 역할을 수행하여 최종적으로 액정표시장치의 광원을 얻게 된다.The optical sheet used in the backlight unit is made of a transparent polymer material having a cell-shaped surface on one side and a smooth surface on the other side, and the incident light beam is a large part of the incident light due to the cell shape formed on the surface. The light is transmitted, and the remaining light is totally reflected, and thus the light source of the liquid crystal display is finally obtained by performing the role of diffusion and reflection of light required according to the characteristics of the optical sheet.

이러한 광학용 시트를 제작함에 있어서, 미세한 패턴을 형성한 마스터롤(Pattern Roll)과 가압롤(Pressure Roll)의 사이로 이송되는 필름의 한쪽 표면에 자외선 경화 도료를 도포하고, 상기 마스터롤과 가압롤에 의해 자외선 경화도료가 도포된 필름의 표면을 가압하여 일정한 간격으로 셀 형상의 미세한 패턴을 형성한 필름에 자외선을 조사하여 경화시키고, 이 패턴을 보호하기 위하여 보호시트를 부착하는 롤 코팅장치에 의해 필요로 하는 광학용 시트를 제작하게 된다.In manufacturing such an optical sheet, an ultraviolet curable paint is applied to one surface of the film transferred between a master roll and a pressure roll in which a fine pattern is formed, and applied to the master roll and the pressure roll. Pressurizes the surface of the film coated with UV curable paint to form a cell-shaped fine pattern at regular intervals, and irradiates and hardens the film by UV rays, and is required by a roll coating apparatus to attach a protective sheet to protect the pattern. The sheet for optics made into is produced.

이와 같이 제작된 광학용 시트는 각각의 용도로 여러 겹을 겹쳐 액정표시 장치에서 요구하는 광원을 제공하게 되는데 이때 눈에 보이지 않는 미세한 패턴을 가진 필름을 여러 장 겹치는 과정이 매우 정교한 작업이라 작업과정에서의 불량발생 및 완제품을 최종 검사하는 과정에서도 요구되는 광원이 부분적으로 발생되지 않아 액정표시장치에 얼룩과 같은 현상을 나타내는 문제점을 가지고 있어 수율이 현저히 떨어지는 생산과정의 문제점을 가지고 있었다.The optical sheet manufactured as described above overlaps several layers for each use to provide a light source required by the liquid crystal display device. At this time, the process of overlapping a plurality of films having a fine pattern invisible is very sophisticated. In the process of final inspection of defects and finished products, the required light source was not partially generated, so that the liquid crystal display device had a problem such as staining.

이에 본 발명은 상기와 같은 문제점을 감안하여 발명한 것으로, 본 발명은 각각의 용도를 갖는 여러 장의 패턴 시트를 하나로 일원화하는 장치에 관한 것으로, 각각의 용도를 갖는 두장 혹은 석장의 패턴 시트(5,7,10)를 가압하여 합지하는 가압롤(15)과 본 발명의 근원이 되는 석영롤(20) 내부에 자외선을 조사하는 경화시스템(25)이 패턴 시트 상호간에 가압과 동시에 경화되도록 하여 한 시트로 합착하는 대략적인 구성을 갖는다.Accordingly, the present invention has been invented in view of the above problems, and the present invention relates to an apparatus for unifying several sheets of pattern sheets having respective uses into one, and having two or three pattern sheets having respective uses (5, 7,10) a sheet in which a pressing roll 15 for pressing and laminating and a curing system 25 for irradiating ultraviolet rays to the inside of the quartz roll 20 as a source of the present invention are cured simultaneously with pressing between the pattern sheets. It has an approximate configuration of bonding to.

상기와 같이 구성된 본 발명은, 석장이 사용되는 확산시트를 한 장으로 하거나 확산시트와 반사시트, 혹은 프리즘시트와 확산시트 등 여러 겹으로 사용되던 시트를 한, 두장으로 줄일 수 있어 생산성 향상과 불량률 감소, 원가절감 및 액정표시장치의 두께를 줄일 수 있는 획기적인 효과가 있다.According to the present invention configured as described above, one sheet or two sheets of diffusion sheet used as a stone can be used, or a sheet used in multiple layers such as a diffusion sheet and a reflection sheet, or a prism sheet and a diffusion sheet can be reduced to one or two sheets to improve productivity and a defective rate. There is a significant effect to reduce, reduce the cost and the thickness of the liquid crystal display device.

본 발명은 경화시스템이 장착된 롤에 관한 것으로서, 표면에 셀 형상의 미세한 패턴이 일정한 형태로 형성된 같은 혹은 다른 종류의 시트(5,7,10)를 가압롤(15)과 석영롤(20)사이에 기존의 시트 공급원리와 동일하게 가져오고, 이를 합착하는 경화시스템(25)으로 구성하되, 가압롤(15)의 압력과 석영롤(20)의 경화시스템(25)에서 발생하는 자외선이 동시에 작용하는 특징이 있다.The present invention relates to a roll equipped with a hardening system, wherein the same or different types of sheets (5, 7, 10) having a cell-like fine pattern formed on a surface thereof in a uniform shape are press rolls (15) and quartz rolls (20). It is composed of a curing system 25 brought in the same as the existing sheet feeding principle, and bonded together, the pressure of the pressure roll 15 and the ultraviolet light generated in the curing system 25 of the quartz roll 20 at the same time There is a function that works.

이하 본 발명의 실시 예를 예시 도면을 통해 살펴보면 다음과 같다.An embodiment of the present invention will be described below with reference to the accompanying drawings.

도 1은 본 발명의 측면도를 나타낸 것이고, 도 2는 본 발명의 요부 확대도를 나타낸 것으로, 도시한 바와 같이, 우선 석영롤(20) 내의 경화시스템(25)의 구성을 살펴보면 도시한 바와 같이 유브이램프(26)와 이를 둘러싼 내부가 코팅된 집광형 유브이반사갓(27)과 석영으로 자외선만 통과하여 보낼 수 있는 미러(28)로 구성된 경화시스템(25)을 거치하고 높낮이 및 회전각도를 조절할 수 있는 브라켓(29a, 29b)이 석영롤(20)의 좌우에 프레임(40)에 거치되어 있고, 석영롤(20)의 내부의 온도를 감지할 수 있는 온도감지센서(32)가 브라켓(29a)의 앞에 설치되어 있는 구조로 구성되어 있다.Figure 1 shows a side view of the present invention, Figure 2 shows an enlarged view of the main portion of the present invention, as shown, first look at the configuration of the curing system 25 in the quartz roll 20 as shown Mounting the curing system 25 consisting of a lamp 26, a light collecting type UV reflection shade 27 coated with an interior surrounding it and a mirror 28 that can only pass ultraviolet light through quartz and can adjust the height and rotation angle. Brackets 29a and 29b are mounted on the frame 40 to the left and right of the quartz roll 20, and a temperature sensor 32 capable of sensing the temperature of the inside of the quartz roll 20 includes the bracket 29a. It consists of the structure installed in front.

유브이램프(26)와 피조물(5,7,10)과의 거리는 유브이램프 조사강도와 반비례하며 약해지므로 석영롤(20)의 회전중심(21)과 관계없이 피조물과 가장 근접한 위치에 설치되어야 하며, 이는Since the distance between the UV lamp 26 and the workpieces 5, 7, 10 is inversely proportional to the UV lamp irradiation intensity, the distance between the UV lamps 26 and the workpieces 5, 7, 10 and 10 must be installed at the position closest to the workpiece, regardless of the center of rotation 21 of the quartz roll 20. this is

유브이조사량(mj/㎠) = 유브이강도(kw) × 조사시간(sec)UV irradiation amount (mj / ㎠) = UV strength (kw) × irradiation time (sec)

와 같기 때문에 유브이램프(26)의 성능이 떨어져 교체비용이 과도하게 소요되는 문제점을 보완하고, 피조물(5,7,10)에 조사되는 시간을 최소화 하여 높은 생산성을 가져가기 위함이다.This is to compensate for the problem that the replacement cost is excessively consumed because the performance of the UV lamp 26 is reduced, and to minimize the time to be irradiated to the objects (5, 7, 10) to bring high productivity.

한편 석영롤(20)의 형태는 직경이 큰 원통 롤 형태로, 가압롤(15)과 맞물려 회전하도록 함으로써 가압롤(15)의 압력에 의해 피조물(5,7,10)의 합착이 잘 형성되도록 하는 구성을 갖는다.On the other hand, the quartz roll 20 is formed in a cylindrical roll having a large diameter, and is engaged with the pressure roll 15 to rotate so that the bonding of the workpieces 5, 7, and 10 is well formed by the pressure of the pressure roll 15. It has a configuration.

또한 유브이램프()에서 발생하는 조사량을 집광하는 집광형 유브이반사갓(27)하부에 피조물(5,7,10)의 합착에 유해한 유브이노이즈나 가시광선, 적외선(IR: Infra Red)등은 유브이램프(26) 하부에 위치한 미러(28)에서 반사시켜 유브이반사갓(27) 외부로 유출시키고, 합착 생산에 꼭 필요한 자외선(UV: Ultraviolet)만 미 러(28)를 통과 시켜 불량품이 발생할 수 없는 구조로 하되, 유출된 유해한 빛들은 인체에도 많은 해를 일으키므로 유브이차단커버(45)를 형성하고 이러한 차단막의 형태는 석영롤(26)을 최대한 감싸는 구조로 피조물(5,7,10)에 근접시켜야 하며, 그래도 불가피하게 유출되는 피조물(5,7,10)과 유브이차단커버(45)의 끝단(46)과의 사이에서 나오는 빛은 마지막으로 작업자 방향에 광차단롤(48)을 설치하여 완벽하게 조사되는 직접적인 유해한 빛을 분산시켜 안전하고 쾌적한 작업이 될 수 있도록 한 것이 본 발명이 이루고자하는 구체적인 내용이다.In addition, UV lamps, visible rays, infrared rays (IR: Infra Red), etc., which are harmful to coalescing the objects (5, 7, 10) under the condensing type UV reflection lamp (27) that collect the amount of radiation generated from the UV lamp (), are UV lamps. (26) Reflects from the mirror (28) located in the lower portion to the outside of the UV reflector (27), and passes through the mirror (28) only UV (ultraviolet (UV: Ultraviolet), which is essential for the production of the joints in a structure that can not be defective However, the harmful light leaks cause a lot of harm to the human body to form a UV barrier cover 45, and the shape of the barrier film should be close to the creation (5, 7, 10) in a structure that surrounds the quartz roll 26 as much as possible. However, the light emitted between the created objects 5, 7, 10, and the end 46 of the UV blocking cover 45, which is inevitably leaked, is finally irradiated perfectly by installing a light blocking roll 48 in the worker direction. Should not disperse direct harmful light It is one to be comfortable and the work DETAILED another object of the present invention.

도1은 본 발명의 전체적인 구성 관계를 나타낸 개략도.1 is a schematic diagram showing the overall configuration of the present invention.

도2는 도1에 도시된 석영롤 내의 경화장치 세부도.FIG. 2 is a detailed view of a curing apparatus in the quartz roll shown in FIG.

도3은 본 발명의 전체적인 구성관계를 나타낸 측면도.Figure 3 is a side view showing the overall configuration of the present invention.

[도면의 주요부분에 대한 부호의 설명][Explanation of symbols on the main parts of the drawings]

5, 7, 10 : 피조물(광학용 시트)5, 7, 10: Construct (Optical Sheet)

15 : 가압롤 20 : 석영롤15 press roller 20 quartz roll

25 : 경화시스템 26 : 유브이램프(UV Lamp)25 curing system 26 UV lamp

27 : 집광형유브이반사갓 28 : 미러(Mirror)27: condenser type UV reflection lamp 28: mirror

29a, 29b : 회전 및 높이조절용 브라켓29a, 29b: Bracket for rotation and height adjustment

32 : 온도감지센서 40 : 프레임32: temperature sensor 40: frame

45 : 유브이차단커버 48 : 광차단롤45: UV blocking cover 48: light blocking roll

Claims (4)

경화시스템이 장착된 롤에 있어서In the roll with the curing system 가압롤(15)과 맞물려 회전하는 석영롤(20) 내부에 경화시스템(25)과 석영롤(20)외부에 인체에 유해한 빛을 차단하는 유브이차단커버(45)와 틈새로 유출되는 빛을 마지막으로 차단하는 광차단롤(48)로 구성됨을 특징으로 하는 경화시스템이 장착된 롤.End of the light exiting the gap between the curing system 25 and the quartz roll 20 inside the quartz roll 20 in engagement with the pressure roll 15 and the gap blocking cover 45 and a gap blocking the harmful light to the human body. Roll is equipped with a curing system, characterized in that consisting of a light blocking roll (48) for blocking. 제 1항에 있어서,The method of claim 1, 석영롤(20)의 크기와 관계없이 피조물(5,7,10)과 가장 가까운 위치에 근접하는 경화시스템(25)과 이 경화시스템(25)의 높낮이 및 회전 각도를 조절할 수 있는 브라켓(29a,29b)을 포함한 경화시스템이 장착된 롤.Irrespective of the size of the quartz roll 20, the curing system 25 close to the position closest to the workpieces 5, 7, 10, and the bracket 29a for adjusting the height and rotation angle of the curing system 25, Rolls with hardening system including 29b). 제 1항에 있어서,The method of claim 1, 석영롤(20)을 감싸는 유브이차단커버(45)와 광차단롤(48)이 포함된 경화시스템이 장착된 롤.A roll equipped with a curing system including a UV blocking cover 45 and a light blocking roll 48 surrounding the quartz roll 20. 제 1항에 있어서,The method of claim 1, 석영롤(20) 내부에 온도감지센서(32)를 내장하고, 이를 통해 유브이램프(26)에 인가하는 용량을 조절하는 구성을 포함하는 경화시스템이 장착된 롤.A roll equipped with a curing system including a configuration in which a temperature sensor 32 is embedded in the quartz roll 20, and a capacity to be applied to the UV lamp 26 is adjusted.
KR1020080098886A 2008-10-07 2008-10-07 The roll with hardening system mounted on KR100977478B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110308076A1 (en) * 2010-06-22 2011-12-22 Yeon Heui Nam Apparatus for manufacturing liquid crystal display panel

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JP4537513B2 (en) 1999-06-18 2010-09-01 株式会社トーツヤ Ultraviolet irradiation surface processing equipment
KR20080014429A (en) * 2006-08-11 2008-02-14 삼성전자주식회사 Imprint method
KR100840151B1 (en) * 2006-10-25 2008-06-23 미래나노텍(주) Apparatus and method for manufacturing reflective film

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* Cited by examiner, † Cited by third party
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US20110308076A1 (en) * 2010-06-22 2011-12-22 Yeon Heui Nam Apparatus for manufacturing liquid crystal display panel

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