KR100551439B1 - LCD Module - Google Patents

LCD Module Download PDF

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Publication number
KR100551439B1
KR100551439B1 KR1019980036439A KR19980036439A KR100551439B1 KR 100551439 B1 KR100551439 B1 KR 100551439B1 KR 1019980036439 A KR1019980036439 A KR 1019980036439A KR 19980036439 A KR19980036439 A KR 19980036439A KR 100551439 B1 KR100551439 B1 KR 100551439B1
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South Korea
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lcd panel
lcd
drive
driving drive
lcd module
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KR1019980036439A
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Korean (ko)
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KR20000018712A (en
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장규정
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삼성전자주식회사
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Priority to KR1019980036439A priority Critical patent/KR100551439B1/en
Publication of KR20000018712A publication Critical patent/KR20000018712A/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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • G02F1/13452—Conductors connecting driver circuitry and terminals of panels
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • 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
    • G02F1/1336—Illuminating devices
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/18—Printed circuits structurally associated with non-printed electric components
    • H05K1/189—Printed circuits structurally associated with non-printed electric components characterised by the use of a flexible or folded printed circuit

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)

Abstract

LCD 패널상에 구동 드라이브 IC들을 싱글 뱅크 형태(single bank type)이면서 지그재그 형상으로 배열한 후, 실장하고, FPC에 의하여 인쇄회로기판과 연결시킨 LCD 패널을 구비한 LCD 모듈이 개시되고 있다.Disclosed are an LCD module having an LCD panel in which drive drive ICs are arranged on a LCD panel in a single bank type and in a zigzag form, and then mounted and connected to a printed circuit board by an FPC.

본 발명에 의하면 수납공간이 형성되어 램프 어셈블리, 반사판, 도광판, 광학 시트들이 차례대로 적층된 몰드프레임과, 광학 시트들의 상부에 놓여져 화상을 표시하는 LCD 패널을 포함하며, LCD 패널에 형성된 게이트 입력 패드 및 데이터 입력 패드와 게이트 입력 패드 및 데이터 입력 패드와 소정 간격 이격되어 형성된 출력 패드에 본딩되는 구동 드라이드 IC는 싱글 뱅크 타입으로 적어도 2 열 이상이 지그재그 형상으로 실장되고, 출력 패드는 플랙시블 프린트 서킷의 일측 단부에 이방성 도전 필름에 의하여 본딩된다.According to the present invention, a storage space is formed and includes a mold frame in which a lamp assembly, a reflector, a light guide plate, and optical sheets are sequentially stacked, and an LCD panel placed on top of the optical sheets to display an image. And a driving drive IC bonded to the data input pad, the gate input pad, and the output pad formed to be spaced apart from the data input pad by a predetermined distance, is a single bank type, and at least two rows are mounted in a zigzag shape, and the output pad is formed of a flexible printed circuit. It is bonded by an anisotropic conductive film at one end.

Description

엘씨디 모듈LCD Module

본 발명은 LCD 모듈에 관한 것으로, 더욱 상세하게는 LCD 패널상에 구동 드라이브 IC들을 싱글 뱅크 형태(single bank type)이면서 지그재그 형상으로 배열한 후, 실장하고, FPC에 의하여 인쇄회로기판과 연결시킨 LCD 패널을 구비한 LCD 모듈에 관한 것이다.The present invention relates to an LCD module, and more particularly, to drive LCDs in a single bank type and zigzag array, mounted on an LCD panel, and then mounted and connected to a printed circuit board by an FPC. An LCD module having a panel.

최근들어 급속한 발전을 보이고 있는 LCD 모듈은 CRT 방식에 의하여 획기적인 크기 및 중량 감소의 이점으로 인하여 그 보급이 증대되고 있는 실정이다.In recent years, LCD modules, which have been rapidly developing, have been widely spread due to the advantages of the size and weight reduction of CRTs.

이와 같은 장점을 갖는 LCD 모듈은 두 장의 유리판중 어느 하나의 판에 전기장을 형성시키기 위한 박막 트랜지스터(Thin Flim Transistor)와 트랜지스터의 턴 - 온에 의하여 자기장이 형성되는 공통전극을 형성하고, 나머지 하나의 기판에 공통전극과 칼라필터 기판을 형성하고, 두 장의 유리판 사이에 전기장에 의하여 배열이 변화되는 액정을 주입한 LCD 패널과, LCD 패널에 빛을 인가하여 액정의 배열 상태에 따라서 LCD 패널로 광이 입사되도록 광을 공급하는 백라이트 어셈블리로 크게 구성된다.An LCD module having such an advantage forms a thin film transistor (Thin Flim Transistor) for forming an electric field in one of two glass plates and a common electrode in which a magnetic field is formed by the turn-on of the transistor. A common electrode and a color filter substrate are formed on a substrate, and an LCD panel in which a liquid crystal whose arrangement is changed by an electric field is injected between two glass plates, and light is applied to the LCD panel by applying light to the LCD panel. It is largely composed of a backlight assembly for supplying light to be incident.

이들중 LCD 패널에 형성된 박막 트랜지스터를 선택적으로 턴-온시키기 위해서는 LCD 패널에는 박막 트랜지스터와 연결된 게이트 라인 및 데이터 라인이 형성되며 이들을 구동시키기 위해서 각각의 라인의 단부에 형성된 게이트 라인 패드와 데이터 라인 패드에는 이방성 도전 필름(ACF)에 의하여 구동 드라이브 IC가 내장된 테이프 캐리어 패키지의 일측단부가 결합되고 타측 단부는 인쇄회로기판과 결합된다. Among them, gate lines and data lines connected to the thin film transistors are formed in the LCD panel to selectively turn on the thin film transistors formed in the LCD panel. The gate line pads and the data line pads formed at the end of each line are driven to drive them. An anisotropic conductive film (ACF) is coupled to one end of the tape carrier package in which the drive drive IC is embedded, and the other end is coupled to the printed circuit board.

최근에는 테이프 캐리어를 사용하지 않고 LCD 글래스의 상면에 직접 구동 드라이브 IC를 실장한 후, 구동드라이브 IC와 인쇄회로기판을 FPC에 의하여 연결하는 칩 온 글래스 방식의 LCD 패널이 개발된 바 있다.Recently, a chip-on-glass LCD panel has been developed in which a direct drive driver IC is mounted on the upper surface of the LCD glass without using a tape carrier, and then the drive drive IC and the printed circuit board are connected by FPC.

그러나, 이와 같은 종래 칩 온 글래스 방식의 경우 구동 드라이브 IC가 듀얼 뱅크 형태 즉, 게이트 라인 및 데이터 라인이 형성된 LCD 글래스의 양쪽 단부에 형성되어 LCD 글래스의 크기를 증대시키는 문제점이 있다.However, the conventional chip-on-glass method has a problem in that the driving drive IC is formed at both ends of the LCD glass in which the dual bank form, that is, the gate line and the data line are formed, to increase the size of the LCD glass.

따라서, 본 발명은 이와 같은 종래 문제점을 감안한 것으로써, 본 발명의 목적은 LCD 글래스의 일측 단부에만 구동 드라이브 IC를 싱글 뱅크 타입으로 형성하되 구동 드라이브 IC를 적어도 2 열 이상이 지그재그 타입으로 배열함에 있다.Accordingly, the present invention has been made in view of such a conventional problem, and an object of the present invention is to form a drive bank IC in a single bank type only at one end of the LCD glass, but at least two or more rows of the drive drive ICs are arranged in a zigzag type. .

이와 같은 본 발명의 목적을 달성하기 위한 본 발명의 LCD 모듈은 수납공간이 형성되어 램프 어셈블리, 반사판, 도광판, 광학 시트들이 차례대로 적층된 몰드프레임과, 광학 시트들의 상부에 놓여져 화상을 표시하는 LCD 패널을 포함하다. 또한, LCD 모듈은 LCD 패널 상에 싱글 뱅크 타입으로 적어도 2열 이상이 지그재그 형상으로 실장되어 데이터 라인과 연결되는 테이터 구동 드라이브 IC와, LCD 패널 상에 실장되어 게이트 라인과 연결되는 게이트 구동 드라이브 IC와, 이방성 도전 필름을 통해 LCD 패널과 연결되는 플랙시블 프린트 서킷을 포함하는 것을 특징으로 한다.In order to achieve the object of the present invention, the LCD module of the present invention has an accommodating space in which a lamp assembly, a reflecting plate, a light guide plate, and an optical sheet are sequentially stacked, and an LCD placed on top of the optical sheets to display an image. Contains a panel. In addition, the LCD module includes a data drive driver IC mounted in a single bank type on the LCD panel in at least two columns in a zigzag shape and connected to a data line, and a gate drive drive IC mounted on the LCD panel and connected to a gate line. And a flexible printed circuit connected to the LCD panel through the anisotropic conductive film.

이하, 본 발명 LCD 모듈을 첨부된 도면을 참조하여 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings, the present invention LCD module as follows.

본 발명에 의한 LCD 모듈은 구동드라이브 IC가 직접 LCD 글래스에 실장됨과 동시에 적어도 2 열이 지그재그로 배열되고 각 구동드라이브 IC는 FPC에 의하여 인쇄회로기판과 연결된 LCD 패널(100)과, LCD 패널(100)에 광을 인가하는 램프 어셈블리, 빛을 안내하는 도광판 및 광학 시트들과 이들을 수납하는 몰드프레임으로 구성된다.In the LCD module according to the present invention, the driving drive IC is directly mounted on the LCD glass, and at least two rows are arranged in a zigzag, and each driving drive IC is connected to the LCD panel 100 and the LCD panel 100 by FPC. ), A lamp assembly for applying light to the light guide, a light guide plate for guiding light, and an optical sheet, and a mold frame for housing them.

이들중 본 발명의 핵심 부분인 LCD 패널을 첨부된 도면을 참조하여 보다 상세하게 설명하면 다음과 같다.Among them, the LCD panel, which is a key part of the present invention, will be described in detail with reference to the accompanying drawings.

먼저, 첨부된 도 1에 도시된 바와 같이, LCD 패널(100)의 TFT 기판(10)에 반도체 박막 공정에 의하여 게이트 라인(20) 및 게이트 라인(20)의 단부에 형성된 게이트 입력 패드(미도시)가 형성되고, 게이트 입력 패드(미도시)와 소정 간격 이격된 곳에는 FPC(40)의 피치와 동일한 출력 라인(42) 및 출력 패드(미도시)를 형성한다.First, as shown in FIG. 1, a gate input pad (not shown) formed at an end portion of the gate line 20 and the gate line 20 by a semiconductor thin film process on the TFT substrate 10 of the LCD panel 100. ) And an output line 42 and an output pad (not shown) that are equal to the pitch of the FPC 40 are formed at a spaced distance from the gate input pad (not shown).

이와 같이 입력 패드와 출력 패드가 형성되면 입력 패드 및 출력 패드와 대응하는 곳에 범프(bump)가 형성된 게이트 구동드라이브 IC(50)를 실장한다.When the input pads and the output pads are formed as described above, the gate driving drive ICs 50 in which bumps are formed are mounted on the input pads and the output pads.

이때, 게이트 라인(20)의 입력 패드와 출력 패드에 게이트 구동 드라이브 IC(50)가 본딩되었을 때 게이트 구동 드라이브 IC(50)의 위치는 일자 형상으로 한 줄이 형성되지만, 데이터 라인(25)의 입력 패드와 출력 패드에 데이터 구동 드라이브 IC(55)가 본딩되었을 때 데이터 구동 드라이브 IC(55)의 위치는 적어도 2 줄 이상이 지그재그 방식으로 구성된다. 미설명 도면 부호 35, 45는 플랙시블 프린터 서킷(FPC)이다.At this time, when the gate driving drive IC 50 is bonded to the input pad and the output pad of the gate line 20, the position of the gate driving drive IC 50 is formed in a straight line, but the position of the data line 25 When the data driving drive IC 55 is bonded to the input pad and the output pad, the position of the data driving drive IC 55 is configured in a zigzag manner at least two lines. Reference numerals 35 and 45 are flexible printer circuits (FPCs).

이와 같이 게이트 라인(20) 및 데이터 라인(25)에 형성된 입력 패드와 출력 패드에 게이트 및 데이터 구동 드라이브 IC(50,55)가 도시된 바와 같이 본딩된 후, 출력 라인(42)에는 이방성 도전 필름(ACF)이 부착되고, ACF에는 FPC(35,40,45)가 부착되는데, 이때 FPC(35,40,45)는 적어도 2 개 이상으로 나뉘어져 부착되는 것이 바람직하다.As described above, after the gate and data driving drive ICs 50 and 55 are bonded to the input pads and the output pads formed on the gate line 20 and the data line 25, the anisotropic conductive film is formed on the output line 42. (ACF) is attached, FPC (35, 40, 45) is attached to the ACF, wherein the FPC (35, 40, 45) is preferably divided into at least two or more attached.

도 2에는 다른 실시예가 도시되고 있다.Another embodiment is shown in FIG. 2.

도 2의 실시예에 의하면, 게이트 구동 드라이브 IC(50)는 TFT 기판에 적어도 2 열 이상이 지그재그 방식으로 결합되며 데이터 구동 드라이브 IC(55) 또한 TFT 기판에 적어도 2열 이상이 지그재그 방식으로 결합됨을 도시하고 있다.According to the embodiment of Fig. 2, the gate drive drive IC 50 is coupled in a zigzag manner at least two rows to the TFT substrate, and the data drive drive IC 55 is also coupled in a zigzag manner to the TFT substrate. It is shown.

이상에서 상세하게 설명한 바와 같이, LCD 패널의 TFT 기판에 게이트 구동 드라이브 IC와 데이터 구동 드라이브 IC를 적어도 2 열 이상으로 지그재그 형태로 본딩하여 LCD 패널의 크기를 절감하여 LCD 모듈의 전체 크기를 절감시킴에 있다.As described in detail above, the gate drive driver IC and the data drive drive IC are bonded to the TFT substrate of the LCD panel in at least two rows in a zigzag form to reduce the size of the LCD panel and thereby reduce the overall size of the LCD module. have.

도 1은 본 발명의 일실시예를 도시한 LCD 패널의 평면도.1 is a plan view of an LCD panel showing an embodiment of the present invention.

도 2는 본 발명의 다른 실시예를 도시한 LCD 패널의 평면도.2 is a plan view of an LCD panel showing another embodiment of the present invention.

Claims (3)

수납공간이 형성되어 램프 어셈블리, 반사판, 도광판, 광학 시트들이 차례대로 적층된 몰드프레임과;A mold frame in which a storage space is formed and the lamp assembly, the reflector, the light guide plate, and the optical sheets are sequentially stacked; 상기 광학 시트들의 상부에 놓여져 화상을 표시하는 LCD 패널과;An LCD panel placed on top of the optical sheets to display an image; 상기 LCD 패널 상에 싱글 뱅크 타입으로 적어도 2열 이상이 지그재그 형상으로 실장되어 데이터 라인과 연결되는 데이터 구동 드라이브 IC와;A data driving drive IC mounted on the LCD panel in at least two columns in a zigzag shape and connected to a data line in a single bank type; 상기 LCD 패널 상에 싱극 뱅크 타입으로 실장되어 게이트 라인과 연결되는 게이트 구동 드라이브 IC와;A gate driving drive IC mounted on the LCD panel in a singular bank type and connected to a gate line; 이방성 도전 필름을 통해 상기 LCD 패널과 연결되는 플랙시블 프린트 서킷을 포함하는 LCD모듈.An LCD module comprising a flexible print circuit connected to the LCD panel through an anisotropic conductive film. 제 1 항에 있어서, 상기 데이터 구동 드라이브 IC는 2 열로 지그재그 형상으로 배치되며, 상기 데이터 구동 드라이브 IC와 전기적으로 연결되는 상기 플랙시블 프린터 서킷은 적어도 2 개 이상인 것을 특징으로 하는 LCD 모듈.The LCD module according to claim 1, wherein the data driving drive ICs are arranged in two rows in a zigzag shape, and at least two flexible printer circuits electrically connected to the data driving drive ICs. 제 1 항에 있어서, 상기 게이트 구동 드라이브 IC는 싱글 뱅크 타입으로 2 열로 지그재그 형상으로 실장된 것을 특징으로 하는 LCD 모듈.The LCD module of claim 1, wherein the gate driving driver IC is mounted in a zigzag shape in two rows in a single bank type.
KR1019980036439A 1998-09-04 1998-09-04 LCD Module KR100551439B1 (en)

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JP3630116B2 (en) * 2000-08-10 2005-03-16 セイコーエプソン株式会社 Electro-optic unit and electronic equipment
JP3781967B2 (en) * 2000-12-25 2006-06-07 株式会社日立製作所 Display device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0246426A (en) * 1988-08-06 1990-02-15 Seiko Epson Corp Packaging structure
JPH07325315A (en) * 1994-05-31 1995-12-12 Kyocera Corp Display device
JPH086060A (en) * 1995-07-13 1996-01-12 Seikosha Co Ltd Connection structure of integrated circuit chip
JPH1039789A (en) * 1996-07-29 1998-02-13 Denso Corp Matrix type display device and display panel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0246426A (en) * 1988-08-06 1990-02-15 Seiko Epson Corp Packaging structure
JPH07325315A (en) * 1994-05-31 1995-12-12 Kyocera Corp Display device
JPH086060A (en) * 1995-07-13 1996-01-12 Seikosha Co Ltd Connection structure of integrated circuit chip
JPH1039789A (en) * 1996-07-29 1998-02-13 Denso Corp Matrix type display device and display panel

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