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KR100468205B1 - LCD Display - Google Patents

LCD Display Download PDF

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Publication number
KR100468205B1
KR100468205B1 KR1019970036819A KR19970036819A KR100468205B1 KR 100468205 B1 KR100468205 B1 KR 100468205B1 KR 1019970036819 A KR1019970036819 A KR 1019970036819A KR 19970036819 A KR19970036819 A KR 19970036819A KR 100468205 B1 KR100468205 B1 KR 100468205B1
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South Korea
Prior art keywords
circuit board
printed circuit
driving printed
mold frame
lcd panel
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KR1019970036819A
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Korean (ko)
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KR19990014969A (en
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동영화
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삼성전자주식회사
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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
    • G02F1/1345—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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/54—Arrangements for reducing warping-twist

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

Abstract

본 발명은 액정표시장치에 관한 것으로, 구동 인쇄회로기판의 소정 영역에 돌출부를 형성하여 상기 구동 인쇄회로기판을 백라이트 넘어로 벤트시켜 몰드 프레임에 형성된 수납부에 구동 인쇄회로기판의 돌출부를 수납 체결함으로써, 구동 인쇄회로기판을 몰드 프레임에 고정시키는 체결시간이 단축되고, 이로 인해 제품의 생산성 향상을 기대할 수 있다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid crystal display device, wherein a protrusion is formed in a predetermined area of a driving printed circuit board, and the driving printed circuit board is bent beyond the backlight to receive and fasten the protrusion of the driving printed circuit board to an accommodating portion formed in a mold frame. In addition, the fastening time for fixing the driving printed circuit board to the mold frame is shortened, thereby improving productivity of the product.

Description

액정표시장치LCD Display

본 발명은 액정표시장치에 관한 것으로, 더욱 상세하게는 구동 인쇄회로기판을 벤트시켜 백라이트 어셈블리 후면의 몰드 프레임에 삽입결합할 수 있도록 한 액정표시장치에 관한 것이다.The present invention relates to a liquid crystal display device, and more particularly, to a liquid crystal display device which allows the driving printed circuit board to be bent and inserted into a mold frame at the rear of the backlight assembly.

일반적으로 액정표시장치의 경박단소화, 대화면화, 저소비전력의 추세에 따라 하루가 다르게 액정표시장치의 차세대 제품들이 속속 선보이고 있으며, 특히, LCD 패널이 대형화되면서 구동 인쇄회로기판을 백라이트 어셈블리의 전방에 위치시키는 직선형이 구동 인쇄회로기판을 백라이트 어셈블리 배면에 위치시키는 굴곡형으로 전환되고 있다.In general, next-generation products of liquid crystal display devices are being introduced one after another according to the trend of light and thin, large screen, and low power consumption of liquid crystal display devices. The positioning linear has been converted to a curved type for placing the driving printed circuit board on the backside of the backlight assembly.

도 1은 종래의 기술에 대한 액정표시장치를 개략적으로 나타낸 배면도이다.1 is a rear view schematically showing a liquid crystal display device according to the related art.

도시된 바와 같이, LCD 패널(미도시)과 백라이트 어셈블리(미도시)를 수용한 몰드 프레임(1)이 위치해 있다.As shown, a mold frame 1 is housed containing an LCD panel (not shown) and a backlight assembly (not shown).

또한, 몰드 프레임(1)의 상부 영역에는 LCD 패널과 전기적으로 연결되어 있는 탭 IC(2)들이 백라이트 어셈블리를 수용한 몰드 프레임(1)의 후면을 넘어 벤트되어 있으며, 탭 IC(2) 일측단부의 접속패드(미도시)들에는 구동 인쇄회로기판(3)의 접속패드(미도시)들이 전기적으로 연결되어 있다. 이러한 구동 인쇄회로기판(3)은 스크류(4)에 의해 몰드 프레임(1)에 고정되어 있다.In addition, in the upper region of the mold frame 1, the tab ICs 2 electrically connected to the LCD panel are bent beyond the rear surface of the mold frame 1 accommodating the backlight assembly. Connection pads (not shown) of the driving printed circuit board 3 are electrically connected to the connection pads (not shown). The driving printed circuit board 3 is fixed to the mold frame 1 by a screw 4.

또한, 몰드 프레임(1)의 하부 영역에는 램프(미도시)가 설치되어 있고, 램프의 전극과 전기적으로 연결되어 있는 램프 와이어(5)와, 램프 와이어(5)의 일측 단부에 전기적으로 연결되어 있는 커넥터(6)가 몰드 프레임(1) 외측으로 나와 있다.In addition, a lower portion of the mold frame 1 is provided with a lamp (not shown), and is electrically connected to one end of the lamp wire 5 and the lamp wire 5 electrically connected to the electrode of the lamp. The connector 6 is out of the mold frame 1.

이와 같은 구조의 액정표시장치의 결합과정을 보다 상세히 설명하면 다음과 같다.The coupling process of the liquid crystal display device having such a structure will be described in detail as follows.

먼저, 소정의 골격을 이루는 몰드 프레임(1)에 백라이트 어셈블리를 조립한다.First, the backlight assembly is assembled to a mold frame 1 forming a predetermined skeleton.

그리고 나서, 구동 인쇄회로기판(3)의 접속패드들에 전기적으로 연결되어 있는 탭 IC(2)와 전기적으로 연결되어 있는 LCD 패널을 백라이트 어셈블리의 상부에 위치시킨 후 탭 IC(2)의 소정 영역을 굴절시켜 탭 IC(2)와 구동 인쇄회로기판(3)을 백라이트 어셈블리의 넘어 몰드 프레임(1)의 배면상에 위치시킨다.Then, an LCD panel electrically connected to the tab IC 2 electrically connected to the connection pads of the driving printed circuit board 3 is positioned on the upper part of the backlight assembly, and then a predetermined area of the tab IC 2 is located. Is refracted to position the tab IC 2 and the driving printed circuit board 3 on the back of the mold frame 1 beyond the backlight assembly.

이어서, 스크류(4)를 사용하여 구동 인쇄회로기판(3)과 몰드 프레임(1)을 상호 고정하여 구동 인쇄회로기판(3)의 유동을 방지한다.Subsequently, the driving printed circuit board 3 and the mold frame 1 are fixed to each other using a screw 4 to prevent the flow of the driving printed circuit board 3.

그러나, 스크류를 사용하여 몰드 프레임 뒤로 벤트된 구동 인쇄회로기판을 몰드 프레임에 고정시킬 때, 작업자의 실수에 의해 스크류가 완전히 체결되지 못하여 풀리게 될 경우에 발생하는 제품의 불량 및 이에 따른 제품의 신뢰성이 저하되는 문제점이 있었다.However, when fixing the driving printed circuit board bent behind the mold frame to the mold frame by using a screw, the defect of the product and the reliability of the product that occurs when the screw is not fully tightened due to the operator's mistake There was a problem of deterioration.

또한, 스크류의 체결 시간에 따른 제품의 생산성이 저하되는 문제점이 있었다.In addition, there is a problem that the productivity of the product decreases according to the fastening time of the screw.

따라서, 본 발명의 목적은 스크류를 사용하여 구동 인쇄회로기판을 몰드 프레임에 고정하지 않고 구동 인쇄회로기판을 몰드 프레임에 수납 고정할 수 있는 액정표시장치를 제공하는데 있다.Accordingly, an object of the present invention is to provide a liquid crystal display device capable of storing and fixing a driving printed circuit board to a mold frame without fixing the driving printed circuit board to a mold frame by using a screw.

이와 같은 목적을 달성하기 위해서, 본 발명은 LCD 패널과;In order to achieve the above object, the present invention is an LCD panel;

상기 LCD 패널의 배면에 위치하여 소정의 광을 상기 LCD 패널을 향해 투사하는 백라이트 어셈블리와;A backlight assembly positioned on a rear surface of the LCD panel to project predetermined light toward the LCD panel;

상기 LCD 패널의 일측에 위치하고 소정의 단부영역에 돌출부가 형성된 구동 인쇄회로기판과;A driving printed circuit board located at one side of the LCD panel and having a protrusion formed at a predetermined end region;

상기 구동 인쇄회로기판과 상기 LCD 패널을 전기적으로 연결하는 탭 IC와;A tap IC electrically connecting the driving printed circuit board and the LCD panel;

상기 LCD 패널과 상기 백라이트 어셈블리를 수용하여 이를 지지고정하며 상기 탭 IC의 소정 영역이 벤트되어 상기 구동 인쇄회로기판의 돌출부가 끼워져 결합고정되는 수납부를 갖는 몰드 프레임을 포함하는 것을 특징으로 한다.And a mold frame having an accommodating portion for accommodating and supporting the LCD panel and the backlight assembly and fixing a predetermined region of the tab IC so that the protrusion of the driving printed circuit board is inserted into and fixed to the LCD panel and the backlight assembly.

이하 첨부된 도면을 참조하여 본 발명의 실시예를 보다 상세히 설명하면 다음과 같다. 종래와 동일한 부분에는 동일한 부호를 부여를 한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. The same code | symbol is attached | subjected to the same part as before.

도 2는 본 발명의 실시예에 따른 액정표시장치를 개략적으로 나타낸 배면도이다.2 is a rear view schematically illustrating a liquid crystal display according to an exemplary embodiment of the present invention.

도시된 바와 같이, LCD 패널(미도시)과 백라이트 어셈블리(미도시)를 수용한 몰드 프레임(11)이 위치해 있다.As shown, a mold frame 11 is housed containing an LCD panel (not shown) and a backlight assembly (not shown).

또한, 몰드 프레임(11)의 상부 영역에는 LCD 패널과 전기적으로 연결되어 있는 탭 IC(2)들이 백라이트 어셈블리를 수용한 몰드 프레림(11)의 후면을 넘어 벤트되어 있으며, 탭 IC(2) 일측단부의 접속패드(미도시)들에는 구동 인쇄회로기판(13)의 접속패드(미도시)들이 전기적으로 연결되어 있다. 여기서, 본 발명에 따르면, 구동 인쇄회로기판(13)은 단축 길이 방향의 양측단부에 소정 형태의 돌출부(14)가 돌출되어 있으며, 장축 길이 방향의 일측단부에 소정 형태의 돌출부(15)가 소정 간격 이격되어 돌출되어 있다.In addition, in the upper region of the mold frame 11, the tab ICs 2 electrically connected to the LCD panel are bent over the rear surface of the mold praim 11 containing the backlight assembly, and the tab IC 2 is one side. Connection pads (not shown) of the driving printed circuit board 13 are electrically connected to connection pads (not shown) at the end. According to the present invention, the driving printed circuit board 13 has a protrusion 14 having a predetermined shape protruding from both side ends of the short axis length direction, and the protrusion 15 of a predetermined shape is predetermined at one end of the long axis length direction. It is spaced apart and protrudes.

또한, 돌출부(14)(15)가 위치하는 몰드 프레임(11) 영역에는 돌출부(14)(15)가 수납되어 고정될 수 있는 수납부(14')(15')가 형성되어 있다.In addition, in the mold frame 11 region where the protrusions 14 and 15 are located, the receiving portions 14 'and 15' are formed in which the protrusions 14 and 15 can be received and fixed.

또한, 몰드 프레임(11)의 하부 영역에는 램프(미도시)가 설치되어 있고, 램프의 전극과 전기적으로 연결되어 있는 램프 와이어(5)와, 램프 와이어(5)의 일측 단면부에 전기적으로 연결되어 있는 커넥터(6)가 몰드 프레임(11) 외측으로 나와 있다.In addition, a lamp (not shown) is installed in the lower region of the mold frame 11, and is electrically connected to a lamp wire 5 electrically connected to an electrode of the lamp, and to one end surface of the lamp wire 5. The connector 6 which has been made emerges out of the mold frame 11.

이와 같은 구조의 액정표시장치의 결합과정을 보다 상세히 설명하면 다음과 같다.The coupling process of the liquid crystal display device having such a structure will be described in detail as follows.

먼저, 소정의 골격을 이루는 몰드 프레임(11)에 백라이트 어셈블리(미도시)를 조립한다.First, a backlight assembly (not shown) is assembled to a mold frame 11 forming a predetermined frame.

그리고 나서, 구동 인쇄회로기판(13)의 접속패드(미도시)들에 전기적으로 연결되어 있는 탭 IC(2)와 전기적으로 연결되어 있는 LCD 패널(미도시)을 백라이트 어셈블리의 상부에 위치시킨 후 탭 IC(2)의 소정 영역을 굴절시켜 탭 IC(2)와 구동 인쇄회로기판(13)을 백라이트 어셈블리를 넘어 몰드 프레임(11)의 배면상에 위치시킨다.Then, the LCD panel (not shown) electrically connected to the tab IC 2 electrically connected to the connection pads (not shown) of the driving printed circuit board 13 is positioned on the top of the backlight assembly. A predetermined area of the tab IC 2 is refracted to position the tab IC 2 and the driving printed circuit board 13 on the back surface of the mold frame 11 beyond the backlight assembly.

이어서, 구동 인쇄회로기판(13)의 돌출부(14)(15)를 수납부(14')(15')에 끼워서 결합하여 구동 인쇄회로기판(13)의 유동을 방지한다.Subsequently, the protrusions 14 and 15 of the driving printed circuit board 13 are inserted into the accommodating portions 14 'and 15' to prevent the flow of the driving printed circuit board 13.

이와 같이 구동 인쇄회로기판의 돌출부를 수납부에 끼워 결합함으로써 종래에 스크류의 체결시간 보다 단축되고 스크류의 풀림으로 발생하는 제품의 불량을 방지할 수 있다.As such, by fitting the protrusion of the driving printed circuit board into the housing part, it is possible to shorten the screw fastening time and prevent the defect of the product caused by the loosening of the screw.

이상에서 살펴본 바와 같이, 본 발명은 구동 인쇄회로기판의 소정 영역에 돌출부를 형성하여 상기 구동 인쇄회로기판을 백라이트 넘어로 벤트시켜 몰드 프레임에 형성된 수납부에 구동 인쇄회로기판의 돌출부를 수납 체결함으로써, 구동 인쇄회로기판을 몰드 프레임에 고정시키는 체결시간이 단축되고, 이로 인해 제품의 생산성이 향상되는 효과가 있다.As described above, the present invention forms a protrusion in a predetermined area of the driving printed circuit board to vent the driving printed circuit board beyond the backlight to receive and fasten the protrusion of the driving printed circuit board to an accommodating portion formed in a mold frame. Fastening time for fixing the driving printed circuit board to the mold frame is shortened, thereby improving the productivity of the product.

도 1은 종래의 기술에 의한 액정표시장치를 개략적으로 나타낸 배면도.1 is a rear view schematically showing a liquid crystal display device according to the related art.

도 2는 본 발명의 실시예에 따른 액정표시장치를 개략적으로 나타낸 배면도.2 is a rear view schematically illustrating a liquid crystal display according to an exemplary embodiment of the present invention.

Claims (3)

LCD 패널;LCD panel; 상기 LCD 패널에 전기적으로 연결된 탭 IC;A tap IC electrically connected to the LCD panel; 일측면은 상기 탭 IC 와 연결되고, 타측면 상에 적어도 일부 영역에 돌출부가 형성된 구동 인쇄회로기판;A driving printed circuit board having one side connected to the tab IC and having a protrusion formed on at least a partial region on the other side; 상기 LCD 패널 배면에 위치하여 광을 상기 LCD 패널을 향해 투사하는 백라이트 어셈블리; 및A backlight assembly positioned at a rear surface of the LCD panel to project light toward the LCD panel; And 상기 LCD 패널 및 백라이트 어셈블리를 수납하며, 상기 돌출부와 대응하는 영역에 상기 돌출부를 수납하는 수납홈이 형성되어 있는 몰드프레임을 포함하는 것을 특징으로 하는 액정표시장치.And a mold frame accommodating the LCD panel and the backlight assembly and having a receiving groove accommodating the protrusion in an area corresponding to the protrusion. 제1항에 있어서, 상기 돌출부는 탭 IC 와 연결되는 면과 대향되는 면에 형성되는 액정표시장치.The liquid crystal display device of claim 1, wherein the protrusion part is formed on a surface opposite to a surface connected to the tab IC. 제2항에 있어서, 상기 돌출부는 상기 구동 인쇄회로기판의 두께 방향에 수직방향으로 돌출 되어 있는 것을 특징으로 하는 액정표시장치.The liquid crystal display of claim 2, wherein the protrusion protrudes in a direction perpendicular to the thickness direction of the driving printed circuit board.
KR1019970036819A 1997-08-01 1997-08-01 LCD Display Expired - Fee Related KR100468205B1 (en)

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KR100949488B1 (en) * 2003-04-15 2010-03-24 엘지디스플레이 주식회사 LCD and its manufacturing method

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JPH0996799A (en) * 1995-10-02 1997-04-08 Hitachi Ltd Liquid crystal display

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JPH04107497A (en) * 1990-08-28 1992-04-08 Seiko Epson Corp Liquid crystal display device
JPH0580316A (en) * 1991-09-19 1993-04-02 Casio Comput Co Ltd Liquid crystal display module
JPH07281206A (en) * 1994-02-18 1995-10-27 Canon Inc Display device
JPH07261187A (en) * 1994-03-17 1995-10-13 Hitachi Ltd Liquid crystal display
JPH08166592A (en) * 1994-12-14 1996-06-25 Canon Inc Liquid crystal display
JPH0996799A (en) * 1995-10-02 1997-04-08 Hitachi Ltd Liquid crystal display

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