KR0151875B1 - Lcd device module - Google Patents

Lcd device module

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Publication number
KR0151875B1
KR0151875B1 KR1019940040517A KR19940040517A KR0151875B1 KR 0151875 B1 KR0151875 B1 KR 0151875B1 KR 1019940040517 A KR1019940040517 A KR 1019940040517A KR 19940040517 A KR19940040517 A KR 19940040517A KR 0151875 B1 KR0151875 B1 KR 0151875B1
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KR
South Korea
Prior art keywords
lcd
pcb
lcd module
cover
module
Prior art date
Application number
KR1019940040517A
Other languages
Korean (ko)
Other versions
KR960024540A (en
Inventor
장성욱
Original Assignee
엄길용
오리온전기주식회사
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Application filed by 엄길용, 오리온전기주식회사 filed Critical 엄길용
Priority to KR1019940040517A priority Critical patent/KR0151875B1/en
Publication of KR960024540A publication Critical patent/KR960024540A/en
Application granted granted Critical
Publication of KR0151875B1 publication Critical patent/KR0151875B1/en

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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/133308Support structures for LCD panels, e.g. frames or bezels
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/133308Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133334Electromagnetic shields

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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)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)

Abstract

본 발명은 LCD 모듈에 관한 것으로서, 사각 틀체 형상의 홀더의 내측에 LCD 판넬과 백라이트 및 PCB가 순차적으로 탑재되어 있으며, 상기 LCD 판넬의 전기신호나 액정의 동작이 외부의 전기장에 의해 영향을 받는 것을 방지하기 위하여 상기 PCB의 중앙 부분에 부드러운 도전물질로된 도전시트와 중앙 부분이 제거된 도전성 판재로된 커버를 설치하여 LCD 모듈을 형성하였으므로, 커버의 무게가 감소되어 경량화할 수 있으며, 커버의 중앙 부분이 제거되어 있어 LCD 모듈이 탑재되는 장치의 공간 활용이 용이한 이점이 있다.The present invention relates to an LCD module, in which an LCD panel, a backlight, and a PCB are sequentially installed inside a holder having a rectangular frame shape, and an electrical signal or a liquid crystal operation of the LCD panel is affected by an external electric field. In order to prevent the LCD module was formed by installing a cover made of a conductive sheet made of a soft conductive material and a conductive plate with the center portion removed in the center portion of the PCB, the weight of the cover can be reduced and the weight can be reduced. Since the part is removed, there is an advantage in that the space on which the LCD module is mounted can be easily utilized.

Description

액정표시장치 모듈LCD Display Module

제1도는 본발명에 따른 액정표시장치 모듈의 단면도.1 is a cross-sectional view of a liquid crystal display module according to the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 홀더 2 : 액정표시장치 판넬1 Holder 2 Liquid Crystal Display Panel

3 : 백라이트 판넬 4 : 인쇄회로기판3: backlight panel 4: printed circuit board

5 : 도전시트 6 : 커버5: conductive sheet 6: cover

7 : 다리7: legs

본 발명은 액정표시장치(Liquid Crystal Display; 이하 LCD라 칭함) 모듈에 관한 것으로서, 특히 LCD 판넬과 백라이트 및 인쇄회로기판(print circuit board; 이하 PCB라 칭함)이 사각틀체 형상의 홀더에 탑재되어 고정되어 있는 LCD 모듈에서 PCB의 후면에 탑재되어 PCB를 보호하고 전자파를 차폐하는 커버를 설치하는데, 상기 커버를 중앙 부분이 제거된 형태로 사용하고, 제거된 부분의 안측에는 차폐용 시트를 설치하여 여유공간을 활용할 수 있으며, 경량화할 수 있는 LCD 모듈에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid crystal display (LCD) module, and in particular, an LCD panel, a backlight, and a printed circuit board (hereinafter referred to as a PCB) are mounted on a holder having a rectangular frame shape. In the LCD module, a cover is installed on the back of the PCB to protect the PCB and to shield electromagnetic waves. The cover is used in a form in which the center part is removed, and a shielding sheet is installed on the inner side of the removed part. The present invention relates to an LCD module that can utilize space and can be reduced in weight.

평판표시장치의 일종인 LCD는 액체의 유동성과 결정의 광학적 성격을 겸비하는 액정(Liquid Crystal)에 전계를 가하여 광학적 이방성을 변화시키는 장치로서, 종래 음극선관(Cathode Ray Tube)에 비해 소비전력이 낮고, 경박단소화가 용이하며 대형화 및 고정세화가 가능하여 널리 사용되고 있다.LCD, which is a kind of flat panel display device, changes the optical anisotropy by applying an electric field to liquid crystal, which combines the liquidity of liquid and the optical characteristics of crystal.It has lower power consumption than conventional cathode ray tube. It is widely used because it is easy to make small and light, small and large, and high in size.

일반적으로 LCD 판넬은 투명전극 패턴과 화소전극이 스위칭 소자와 연결되는 하측 액정기판과 공통전극이 형성되어 있는 상측 액정기판이 실패턴 및 스페이서에 의해 접착되고 그 사이의 공간에 액정이 빌봉되어 있는 형태로 구성된다.In general, an LCD panel is a type in which a transparent liquid crystal pattern, a lower liquid crystal substrate on which a pixel electrode is connected to a switching element, and an upper liquid crystal substrate on which a common electrode is formed are bonded by a failure turn and a spacer, and a liquid crystal is sealed in a space therebetween. It consists of.

상기와 같은 LCD 판넬은 독립적으로 화면을 나타내지 못하므로, 발광소자, 예를 들어 이.엘(electro luminescence; 이하EL이라 칭함)소자나 발광 다이오드(light emitting diode; 이하 LED라 칭함)판넬과 함께 모듈의 형태로 사용된다.The LCD panel as described above does not display the screen independently, so that the module together with a light emitting device, for example, an electro luminescence (EL) device or a light emitting diode (LED) panel Used in the form of

일반적인 LCD 모듈을 설명하면 다음과 같다.The following describes the general LCD module.

먼저, 사각 틀체 형상의 모듈 홀더의 내측에 LCD 판넬과 백 라이트 판넬 및 PCB가 순차적으로 탑재되어 있으며, 상기 PCB의 일측은 상기 모듈 홀더의 외부로 돌출되어 구동회로 및 전원과 연결된다.First, an LCD panel, a backlight panel, and a PCB are sequentially mounted inside a rectangular frame-shaped module holder, and one side of the PCB protrudes out of the module holder to be connected to a driving circuit and a power source.

여기서 상기 LCD 판넬의 일측에는 외부와의 전기적 연결을 위한 접촉패드들이 형성되어 있으며, 상기 PCB에도 상기 LCD 판넬의 접촉패드들과 연결되는 접촉단자들이 구비되어 있다.Here, one side of the LCD panel is formed with contact pads for electrical connection to the outside, the PCB is also provided with contact terminals connected to the contact pads of the LCD panel.

상기 LCD 판넬의 접촉패드와 PCB의 접촉단자들은 두장의 절연 필름 사이에 도전 패턴이 형성되어 있는 플렉시블(flexible)한 히트 실이나 이방성 도전고무의 양측에 절연 고무가 접착되어있는 제브라를 사용하여 연결된다.The contact pads of the LCD panel and the contact terminals of the PCB are connected by using a zebra having an insulating rubber bonded to both sides of a flexible heat seal or anisotropic conductive rubber having a conductive pattern formed between two insulating films. .

또한 상기 PCB의 후면에는 강재로된 전자파 차폐용커버가 삽입되어 있다. 이때 상기 모듈 홀더는 몸체의 양측에 T자형 또는 L자형 다리들이 일체로 부착되어 있어, 조립이 완료된 상태에서 다리들을 휘어 내부에 탑재된 소자들을 고정시킨다.In addition, the electromagnetic shielding cover made of steel is inserted into the back of the PCB. At this time, the module holder is attached to the T-shaped or L-shaped legs are integrally attached to both sides of the body, the legs are bent in the completed state to fix the elements mounted therein.

상기와 같은 종래 기술에 따른 LCD 모듈은 전자파 차폐용 커버가 직사각 형상의 금속판재로 형성되어 있어 LCD 모듈의 무게가 증가되고, LCD 모듈이 탑재되는 장치의 공간활용이 어려워 부피가 증가되는 문제점이 있다.LCD module according to the prior art as described above has a problem that the electromagnetic shielding cover is formed of a rectangular metal plate material to increase the weight of the LCD module, it is difficult to utilize the space of the device on which the LCD module is mounted, the volume is increased. .

본 발명은 상기와 같은 문제점을 해결하기 위한 것으로서, 본 발명의 목적은 LCD 모듈의 배면에 삽입되는 전자파 차폐용 커버를 중앙 부분이 제거된 사각띠 형상의 판재를 사용하고, 노출되는 중앙 부분을 가벼운 도전시트로 막아 LCD의 무게를 감소시키고, 모듈 탑재 장치의 공간 활용이 용이하도록 하여 부피를 감소시킬 수 있는 LCD 모듈을 제공함에 있다.The present invention is to solve the above problems, an object of the present invention is to use a rectangular band-shaped plate material is removed from the center portion of the electromagnetic shielding cover is inserted into the back of the LCD module, and the center portion is light The present invention provides an LCD module capable of reducing volume by blocking a conductive sheet to reduce the weight of the LCD and facilitating the space utilization of the module mounting apparatus.

상기와 같은 목적을 달성하기 위한 본 발명에 따른 LCD 모듈의 특징은, LCD 판넬과 백라이트 및 PCB가 사각틀체 형상의 홀더에 탑재되어 있는 LCD 모듈에 있어서, 상기 PCB 후면의 중앙 부분에 탑재되는 전자파 탑재용 도전 시트와, 상기 도전시트의 테두리 부분과 중첩되고 중앙부분이 제거된 사각형상의 커버를 구비함에 있다.Features of the LCD module according to the present invention for achieving the above object, in the LCD module, the LCD panel and the backlight and the PCB is mounted in a rectangular frame-shaped holder, the electromagnetic wave is mounted on the center portion of the back of the PCB And a rectangular cover which overlaps the edge portion of the conductive sheet and has the center portion removed.

이하, 본 발명에 따른 LCD 모듈에 관하여 첨부도면을 참조하여 상세히 께서 한다.Hereinafter, the LCD module according to the present invention will be described in detail with reference to the accompanying drawings.

제1도는 본 발명에 따른 LCD 모듈의 단면도이다.1 is a cross-sectional view of an LCD module according to the present invention.

먼저, 사각 틀체 형상의 홀더(1)에 LCD 판넬(2)과 백라이트 판넬(3) 및 PCB(4)가 순차적으로 탑재되어 있으며, 상기 PCB(4)의 중앙부분에는 전자파 차폐용 도전시트(5)와 중앙부분이 제거된 사각띠 형상의 커버(6)가 탑재되어 있다. 이때 상기 커버(6)는 판금 가공된 금속재질로서, 상기 도전시트(5)의 테두리 부분과 중첩되어 고정시키며, 상기 홀더(1)의 다리(7)가 내측 방향으로 절곡되어 내부의 소자들을 고정시킨다. 상기의 전자파 차폐용 도전시트(5)와 커버(6)는 LCD의 신호나 액정동작이 외부의 전기장에 의해 영향을 받는 것을 방지하기 위한 것으로서, 고화질 및 고정세화된 LCD일수록 전기 신호의 클럭수가 증가되므로, 필요성이 증가된다.First, the LCD panel 2, the backlight panel 3, and the PCB 4 are sequentially mounted on a holder 1 having a rectangular frame shape, and a conductive sheet 5 for shielding electromagnetic waves at the center of the PCB 4 is mounted. ) And a rectangular strip-shaped cover 6 with the center portion removed. At this time, the cover 6 is a metal sheet metal processing, overlapping and fixed to the edge portion of the conductive sheet 5, the legs 7 of the holder 1 is bent inward to fix the elements inside Let's do it. The electromagnetic shielding conductive sheet 5 and the cover 6 are for preventing the LCD signal or the liquid crystal operation from being influenced by an external electric field. Therefore, the necessity is increased.

또한 상기 홀더(1)와 다리(7)는 금속재질로 형성된다.In addition, the holder 1 and the leg 7 are formed of a metallic material.

여기서 상기 LCD 판넬(2)과 PCB(4)의 접촉단자들은 여러 가지 종류의 연결 수단에 의해 연결되며, 상기 연결수단은 플렉시블(flexible)한 히트 실이나, 이방성 도전고무의 양측에 절연 고무가 접착되어 있는 제브라(ZEBRA;8)를 사용한다.Here, the contact terminals of the LCD panel 2 and the PCB 4 are connected by various kinds of connecting means, and the connecting means is a flexible heat seal or insulating rubber is adhered to both sides of the anisotropic conductive rubber. Use ZEBRA (8).

이상에서 설명한 바와 같이, 본 발명에 따른 LCD 모듈은 사각 틀체 형상의 홀더의 내측에 LCD 판넬과 백라이트 및 PCB가 순차적으로 탑재되어 있으며, 상기 LCD 판넬의 전기신호나 액정의 동작이 외부의 전기장에 의해 영향을 받는 것을 방지하기 위하여 상기 PCB의 중앙 부분에 부드러운 도전물질로 된 도전시크와 중앙 부분이 제거된 도전성 판재로된 커버를 설치하여 LCD 모듈을 형성하였으므로, 커버의 무게가 감소되어 경량화할 수 있으며, 커버의 중앙 부분이 제거되어 있어 LCD 모듈이 탑재되는 장치의 공간 활용이 용이하다.As described above, in the LCD module according to the present invention, an LCD panel, a backlight, and a PCB are sequentially mounted inside the holder having a rectangular frame shape, and an electrical signal or liquid crystal operation of the LCD panel is caused by an external electric field. In order to prevent being affected, the LCD module was formed by installing a cover made of a conductive sheet made of a soft conductive material and a conductive plate with the center portion removed in the center portion of the PCB, so that the weight of the cover can be reduced and reduced in weight. The center part of the cover has been removed, making it easy to utilize the space of the device on which the LCD module is mounted.

Claims (1)

LCD 판넬과 백라이트 판넬 및 PCB가 사각틀체 형상의 홀더에 순차적으로 탑재되어 있는 LCD 모듈에 있어서, 상기 PCB의 후면 중앙 부분에 탑재되는 전자파 차단용 도전시트와, 상기 도전시트의 테두리 부분과 중첩되고 중앙부분이 제거된 사각 띠 형상의 금속재 커버를 구비하는 액정표시장치 모듈.An LCD module in which an LCD panel, a backlight panel, and a PCB are sequentially mounted in a holder having a rectangular frame shape, comprising: a conductive sheet for blocking electromagnetic waves mounted on a central portion of the rear side of the PCB, and overlapping and overlapping an edge portion of the conductive sheet; A liquid crystal display module comprising a rectangular metal cover with a portion removed.
KR1019940040517A 1994-12-31 1994-12-31 Lcd device module KR0151875B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940040517A KR0151875B1 (en) 1994-12-31 1994-12-31 Lcd device module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940040517A KR0151875B1 (en) 1994-12-31 1994-12-31 Lcd device module

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KR960024540A KR960024540A (en) 1996-07-20
KR0151875B1 true KR0151875B1 (en) 1998-10-15

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100502159B1 (en) * 1998-07-03 2005-10-12 삼성전자주식회사 Ground Clip Type LCD Module
KR100568021B1 (en) * 1998-11-06 2006-08-21 삼성전자주식회사 Mounting structure of LCD display module and module mounting cover
US7382631B2 (en) 2005-03-08 2008-06-03 Samsung Electronics Co., Ltd. Circuit board mounting panel for electrical appliance

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100319205B1 (en) * 1998-03-17 2002-04-22 윤종용 Electromagnetic shielding device of liquid crystal display device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100502159B1 (en) * 1998-07-03 2005-10-12 삼성전자주식회사 Ground Clip Type LCD Module
KR100568021B1 (en) * 1998-11-06 2006-08-21 삼성전자주식회사 Mounting structure of LCD display module and module mounting cover
US7382631B2 (en) 2005-03-08 2008-06-03 Samsung Electronics Co., Ltd. Circuit board mounting panel for electrical appliance

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