KR20080084350A - Structure of solidity improvement for lcd module - Google Patents

Structure of solidity improvement for lcd module Download PDF

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Publication number
KR20080084350A
KR20080084350A KR1020070025987A KR20070025987A KR20080084350A KR 20080084350 A KR20080084350 A KR 20080084350A KR 1020070025987 A KR1020070025987 A KR 1020070025987A KR 20070025987 A KR20070025987 A KR 20070025987A KR 20080084350 A KR20080084350 A KR 20080084350A
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South Korea
Prior art keywords
pcb
lcd
chassis
backlight unit
lcd module
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KR1020070025987A
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Korean (ko)
Inventor
신대철
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엘지이노텍 주식회사
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Priority to KR1020070025987A priority Critical patent/KR20080084350A/en
Publication of KR20080084350A publication Critical patent/KR20080084350A/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
    • G02F1/133308—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
    • 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
    • G02F1/133317—Intermediate frames, e.g. between backlight housing and front frame
    • 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
    • G02F1/133354—Arrangements for aligning or assembling substrates
    • 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)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)

Abstract

A structure for enhancing the strength of an LCD(Liquid Crystal Display) module is provided to install a PCB(Printed Circuit Board) within a chassis to protect the PCB, thereby reinforcing the strength of the PCB and suppressing the detachment of the PCB. An LCD module(10) comprises an LCD panel(11) and a backlight unit(12) positioned at the rear of the LCD panel to supply light to the LCD panel. The backlight unit is fixed to a mold frame(14). A PCB is attached to a rear portion of the backlight unit by an adhesive tape(18). A chassis(17) has a box type structure, of which one surface is completely opened to receive the PCB and the mold frame and the other surface is partially opened or closed. The chassis is formed of a conductive material in order to secure a ground area. An inner surface of the chassis adheres to the PCB by the adhesive tape to realize electric conduction between the PCB and the chassis.

Description

ＬＣＤ 모듈의 강도 개선구조{Structure of solidity improvement for LCD module}Structure of solidity improvement for LCD module

도 1은 종래 기술에 따른 LCD 모듈의 외관을 나타낸 사시도이다.1 is a perspective view showing the appearance of an LCD module according to the prior art.

도 2는 도 1의 A - A선 단면도이다.FIG. 2 is a cross-sectional view taken along the line AA of FIG. 1.

도 3은 종래 기술에 따른 몰드프레임의 구조를 나타낸 사시도이다.3 is a perspective view showing the structure of a mold frame according to the prior art.

도 4는 본 발명에 따른 몰드프레임의 정면 사시도이다.4 is a front perspective view of a mold frame according to the present invention.

도 5는 본 발명에 따른 몰드프레임의 후면 사시도이다.5 is a rear perspective view of the mold frame according to the present invention.

도 6은 본 발명에 따른 몰드프레임이 적용된 LCD 모듈의 단면도이다.6 is a cross-sectional view of an LCD module to which a mold frame according to the present invention is applied.

*도면 중 주요부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

10 - LCD 모듈 11 - LCD10-LCD Module 11-LCD

12 - 백라이트유닛 13 - PCB12-Backlight Unit 13-PCB

14 - 몰드프레임 15 - FPCB14-Moldframe 15-FPCB

16 - 서브LCD 17 - 샤시16-SubLCD 17-Chassis

본 발명은 LCD 모듈의 강도 개선구조에 관한 것이다.The present invention relates to a structure for improving the strength of an LCD module.

일반적인 LCD 모듈은 통상 2매의 도전성 유리판재를 평행하게 배치하고, 그 사이에 유전이방성을 갖는 액정을 주입하여, 외부로부터 인가되는 전압 변화에 따라 달라지는 액정의 편광특성을 이용해 디스플레이하는 방식이다.In general, an LCD module is a system in which two conductive glass sheets are arranged in parallel, and a liquid crystal having dielectric anisotropy is injected therebetween, and a display is performed using a polarization characteristic of the liquid crystal which varies according to a voltage change applied from the outside.

이러한, LCD 모듈(100)은 도 1 및 도 2의 도시와 같이 2매의 도전성 유리판재 사이에 액정물질이 채워진 LCD(110)와, LCD(110)의 후방에 설치되어 LCD(110)에 빛을 제공하는 백라이트유닛(BLU)(120)과, 신호를 전달하기 위하여 에 의해 LCD(110)와 연결된 PCB(140)로 구성되며, LCD(110)와 백라이트유닛(120)은 소정의 몰드프레임(150) 내에 수용되어 지지 고정되고, PCB(140)는 백라이트유닛(120)의 후방에 접착테이프(160)에 의해 부착되는 방식으로 조립된다.The LCD module 100 is provided with an LCD 110 filled with a liquid crystal material between two conductive glass sheets as shown in FIGS. 1 and 2, and is installed at the rear of the LCD 110 to light the LCD 110. It is composed of a backlight unit (BLU) 120 for providing a, and a PCB 140 connected to the LCD 110 by the signal to transfer the signal, the LCD 110 and the backlight unit 120 is a predetermined mold frame ( It is accommodated and fixed in the 150, the PCB 140 is assembled in a manner that is attached to the back of the backlight unit 120 by the adhesive tape 160.

그러나, 종래의 LCD 모듈 구조는 PCB(140)가 백라이트유닛(120)의 후방에 접착테이프(160)에 의해 부착 고정되어 있기 때문에 외부충격 등에 의해 파손의 염려가 있게 되고, PCB(140)와 LCD(110)를 연결하는 FPCB(130)의 탄성력에 의해 들뜸이 발생되어 신뢰성이 저하되는 문제점이 있게 된다.However, in the conventional LCD module structure, since the PCB 140 is attached and fixed by the adhesive tape 160 to the rear of the backlight unit 120, there is a risk of damage due to external impact, etc., and the PCB 140 and the LCD Lifting is generated by the elastic force of the FPCB 130 connecting the 110 there is a problem that the reliability is lowered.

또한, PCB(140)의 후방에는 LCD 모듈을 구성하는 각종 회로소자 및 서브 LCD(170) 등이 배열 설치되어 있으나, 여유공간이 충분하지 못하기 때문에 그라운드 영역이 작아지게 되므로, 결국 ESD(정전기)에 취약하게 된다는 문제점이 있게 된다.In addition, various circuit elements and sub LCDs 170 constituting the LCD module are arranged in the rear of the PCB 140. However, since the ground area is reduced because there is not enough free space, eventually ESD (electrostatic) There is a problem of being vulnerable.

따라서, 본 발명은 전술한 종래의 제반 문제점을 해결하기 위하여 안출된 것으로, 본 발명의 목적은 LCD 모듈의 전체적인 강도를 향상과 더불어 PCB의 들뜸현상 및 ESD를 개선시킬 수 있는 LCD 모듈의 강도 개선구조를 제공함에 있다.Accordingly, the present invention has been made to solve the above-mentioned conventional problems, an object of the present invention is to improve the overall strength of the LCD module, and to improve the strength of the LCD module that can improve the lifting phenomenon and ESD of the PCB In providing.

이러한, 본 발명은 2매의 도전성 유리판재 사이에 액정이 주입되는 LCD; 상기 LCD의 후방에 설치되어 LCD에 빛을 제공하는 백라이트유닛; 상기 LCD와 백라이트유닛을 지지 고정하는 몰드프레임; 상기 백라이트유닛의 후방에 부착되며, 신호의 전달이 가능하도록 상기 LCD와 FPCB에 의해 연결되는 PCB; 상기 PCB를 감싸는 형태로 상기 PCB를 지지 고정하는 샤시를 포함하여 구성된다.This, the present invention is an LCD in which a liquid crystal is injected between two conductive glass sheet; A backlight unit installed at the rear of the LCD to provide light to the LCD; A mold frame supporting and fixing the LCD and the backlight unit; A PCB attached to the rear of the backlight unit and connected by the LCD and the FPCB to enable signal transmission; It is configured to include a chassis for supporting and fixing the PCB in the form surrounding the PCB.

이하, 본 발명이 속하는 기술분야에서 통상의 지식을 가진자가 본 발명을 용이하게 실시할 수 있을 정도로 본 발명의 바람직한 실시 예를 첨부된 도면을 참조하여 상세하게 설명하면 다음과 같다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings such that those skilled in the art may easily implement the present invention.

도 3은 본 발명에 따른 LCD 모듈의 구조를 나타낸 측면도이고, 도 4a 및 도 4b는 본 발명에 따른 LCD 모듈의 정면도 및 배면도이다.3 is a side view showing the structure of the LCD module according to the present invention, Figures 4a and 4b is a front view and a rear view of the LCD module according to the present invention.

도 3 및 도 4의 도시와 같이 본 발명에 따른 LCD 모듈(10)은 PCB(13)를 지지 고정하도록 PCB(13)를 감싸면서 설치되는 소정의 샤시(17)를 포함하여 구성된다.As shown in FIGS. 3 and 4, the LCD module 10 according to the present invention includes a predetermined chassis 17 installed while surrounding the PCB 13 to support and fix the PCB 13.

즉, 본 발명에 따른 LCD 모듈(10)은 기존 종래의 LCD 모듈과 동일하게 LCD(11)와, LCD(11)의 후방에 설치되어 LCD(11)에 빛을 제공하는 백라이트유닛(12)이 소정의 몰드프레임(14)에 조립 고정되어 PCB(14)가 백라이트유닛(12)의 후방에 접착테이프(18)에 의해 부착되는 구조와 동일하게 구성되지만, PCB(13)를 지지 고정하면서 보호하는 샤시(17)를 추가적으로 구비하여 PCB(13)의 강도 및 PCB(13)의 고정력 약화로 인한 들뜸현상을 개선시킬 수 있게 되는 것이다.That is, the LCD module 10 according to the present invention is the same as the conventional LCD module LCD 11 and the backlight unit 12 is installed in the rear of the LCD 11 to provide light to the LCD 11 is Assembled and fixed to a predetermined mold frame 14 is configured in the same structure as the PCB 14 is attached to the back of the backlight unit 12 by the adhesive tape 18, but while protecting and fixing the PCB 13 The chassis 17 may be additionally provided to improve the lifting phenomenon due to the strength of the PCB 13 and the weakening of the fixing force of the PCB 13.

이러한, 샤시(17)는 박스형태의 구조로 일면에는 완전 개방되어 PCB(13) 및 몰드프레임(14)이 수용될 수 있도록 구성되고, 다른 일면에는 일부분만이 개방되거나 막혀지는 형태를 갖는다.The chassis 17 has a box-like structure, which is completely open at one surface to accommodate the PCB 13 and the mold frame 14, and has a form in which only a part of the chassis 17 is opened or blocked.

이때, 일부만이 개방되는 구조는 실시예에 따라 추가적으로 구비되는 서브 LCD(16)의 장착을 가능하게 하거나 PCB(13) 상에 실장된 부품과의 간섭을 피하기 위함이다.At this time, only a part of the open structure is to enable the mounting of the additional sub-LCD 16 according to the embodiment or to avoid interference with the components mounted on the PCB (13).

또한, 샤시(17)의 하단부에는 PCB(13)와 LCD(11)가 전기적으로 연결되기 위한 FPCB(15)의 연결통로를 제공하기 위한 연결홈(17a)이 구비될 수 있다.In addition, the lower end of the chassis 17 may be provided with a connection groove 17a for providing a connection passage of the FPCB 15 for electrically connecting the PCB 13 and the LCD 11.

한편, 샤시(17)는 PCB(13)의 그라운드 영역확보를 위하여 도전성 재질로 형성되며, 내부 면이 PCB(13)와 도전성테이프(19)에 의해 부착되어 PCB(13)와 샤시(17)가 전기적인 도통이 가능하도록 구성됨으로써, PCB(13)의 협소한 그라운드 영역을 커버시킬 수 있음은 물론, ESD(정전기)의 발생 차단을 강화시켜줄 수 있게 된다.On the other hand, the chassis 17 is formed of a conductive material to secure the ground area of the PCB 13, the inner surface is attached by the PCB 13 and the conductive tape 19, the PCB 13 and the chassis 17 is By being configured to enable electrical conduction, it is possible to cover the narrow ground area of the PCB 13, as well as to enhance the blocking of the generation of ESD (electrostatic).

따라서, 샤시(17)의 내부에는 PCB(13)의 후방이 도전성테이프(19)에 의해 부 착되고, 다시 PCB(13)의 전방은 접착테이프(18)에 의해 백라이트유닛(12)의 후방에 부착되는 구조를 가지기 때문에 PCB(13)는 견고한 구조로 고정이 가능하기 때문에 PCB(13)의 전체적인 내구성의 향상은 물론, 고정력 약화에 의한 들뜸현상을 해소할 수 있게 된다.Accordingly, the rear of the PCB 13 is attached to the inside of the chassis 17 by the conductive tape 19, and the front of the PCB 13 is attached to the rear of the backlight unit 12 by the adhesive tape 18. Since the PCB 13 can be fixed in a rigid structure because it has a structure to be attached, it is possible to solve the lifting phenomenon due to the weakening of the fixing force, as well as the overall durability of the PCB (13).

이상, 본 발명을 바람직한 실시 예를 이용하여 상세히 설명하였으나, 본 발명의 범위는 특정 실시 예에 한정되는 것은 아니며, 첨부된 특허청구범위에 의하여 해석되어야 할 것이다. 또한, 이 기술분야에서 통상의 지식을 습득한 자라면, 본 발명의 범위에서 벗어나지 않으면서도 많은 수정과 변형이 가능함을 이해하여야 할 것이다.As mentioned above, although this invention was demonstrated in detail using the preferable embodiment, the scope of the present invention is not limited to a specific embodiment, Comprising: It should be interpreted by the attached Claim. In addition, those skilled in the art should understand that many modifications and variations are possible without departing from the scope of the present invention.

상술한 바와 같이 본 발명에 따른 LCD 모듈의 강도 개선구조에 의하면, PCB가 보호되는 구조로 샤시의 내부에 부착 설치되기 때문에 PCB의 강도를 개선시킬 수 있게 됨은 물론 PCB의 들뜸현상을 억제할 수 있게 되고, 또한 샤시와 PCB의 그라운드영역을 도통시켜 ESD를 강화시킬 수 있게 되는 등의 효과를 제공한다.As described above, according to the strength improvement structure of the LCD module according to the present invention, since the PCB is protected and installed inside the chassis, the strength of the PCB can be improved and the lifting of the PCB can be suppressed. In addition, the grounding area of the chassis and the PCB can be conducted to enhance ESD.

Claims (4)

2매의 도전성 유리판재 사이에 액정이 주입되는 LCD;An LCD in which liquid crystal is injected between two conductive glass plates; 상기 LCD의 후방에 설치되어 LCD에 빛을 제공하는 백라이트유닛;A backlight unit installed at the rear of the LCD to provide light to the LCD; 상기 LCD와 백라이트유닛을 지지 고정하는 몰드프레임;A mold frame supporting and fixing the LCD and the backlight unit; 상기 백라이트유닛의 후방에 부착되며, 신호의 전달이 가능하도록 상기 LCD와 FPCB에 의해 연결되는 PCB;A PCB attached to the rear of the backlight unit and connected by the LCD and the FPCB to enable signal transmission; 상기 PCB를 감싸는 형태로 상기 PCB를 지지 고정하는 샤시를 포함하여 구성되는 LCD 모듈의 강도 개선구조.Strength improvement structure of the LCD module comprising a chassis for supporting and fixing the PCB in the form of wrapping the PCB. 제 1 항에 있어서,The method of claim 1, 상기 샤시는,The chassis, 상기 PCB와 몰드프레임이 수용되는 형태인 LCD 모듈의 강도 개선구조.Strength improvement structure of the LCD module in the form that accommodates the PCB and the mold frame. 제 1 항 또는 제 2 항에 있어서,The method according to claim 1 or 2, 상기 샤시는 도전성의 재질로 형성되고, 내부에는 상기 샤시와 PCB가 전기적으로 도통이 가능하도록 도전성 테이프에 의해 부착되는 것인 LCD 모듈의 강도 개선구조.The chassis is formed of a conductive material, the inside of the LCD module strength improvement structure that the chassis and the PCB is attached by a conductive tape to enable electrical conduction. 제 1 항 또는 제 2 항에 있어서,The method according to claim 1 or 2, 상기 샤시는 서브 LCD를 장착하거나, PCB상에 실장된 부품과의 간섭을 피하기 위한 일부 개방부를 더욱 포함하는 것인 LED 모듈의 강도 개선구조.The chassis further includes a partial opening for mounting the sub-LCD or to avoid interference with components mounted on the PCB.
KR1020070025987A 2007-03-16 2007-03-16 Structure of solidity improvement for lcd module KR20080084350A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8872993B2 (en) 2011-01-19 2014-10-28 Samsung Display Co., Ltd. Liquid crystal display apparatus
US8982295B2 (en) 2010-12-23 2015-03-17 Samsung Display Co., Ltd. Display device comprising a frame having a top segment that includes a first top flat part, a second top flat part, and a top uplifted part interposed between the first and second top flat parts
US9958599B2 (en) 2015-10-02 2018-05-01 Samsung Display Co., Ltd. Display device
US11901314B2 (en) 2021-05-21 2024-02-13 Samsung Display Co., Ltd. Electronic device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8982295B2 (en) 2010-12-23 2015-03-17 Samsung Display Co., Ltd. Display device comprising a frame having a top segment that includes a first top flat part, a second top flat part, and a top uplifted part interposed between the first and second top flat parts
US8872993B2 (en) 2011-01-19 2014-10-28 Samsung Display Co., Ltd. Liquid crystal display apparatus
US9958599B2 (en) 2015-10-02 2018-05-01 Samsung Display Co., Ltd. Display device
US11901314B2 (en) 2021-05-21 2024-02-13 Samsung Display Co., Ltd. Electronic device

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