KR20030040839A - Liquid crystal display for terminal of cellular phone - Google Patents
Liquid crystal display for terminal of cellular phone Download PDFInfo
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- KR20030040839A KR20030040839A KR1020010071426A KR20010071426A KR20030040839A KR 20030040839 A KR20030040839 A KR 20030040839A KR 1020010071426 A KR1020010071426 A KR 1020010071426A KR 20010071426 A KR20010071426 A KR 20010071426A KR 20030040839 A KR20030040839 A KR 20030040839A
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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
- G02F1/13458—Terminal pads
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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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
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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
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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
Description
본 발명은 핸드폰 단말기용 액정표시장치에 관한 것으로, 보다 상세하게는, 액정 패널과 인쇄회로기판간의 전기적 접속 방식에 관한 것이다.The present invention relates to a liquid crystal display device for a mobile phone terminal, and more particularly, to an electrical connection method between a liquid crystal panel and a printed circuit board.
액정표시장치(Liquid Crystal Display)는 경박,단소하고 저전압구동과 저전력소모라는 장점을 바탕으로 널리 이용되어 왔으며, 그 응용분야도 단순한 시계 및 정보기기의 단말기로부터 휴대폰, 캠코더, 노트북 및 데스크탑 컴퓨터의 모니터 등으로 넓어지고 있다.Liquid crystal displays have been widely used on the basis of the advantages of thin, simple, low voltage driving and low power consumption, and their applications are as simple as monitoring of mobile phones, camcorders, notebooks and desktop computers from terminals of watches and information equipment. It is widening on the back.
특히, 박막 트랜지스터(Thin Film Trnnsistor) 액정표시장치는 그 동안 단점으로 지적되어 온 좁은 시야각과 화질을 개선하여 씨알티(CRT)에 견줄만한 시야각을 갖게 되었고, 아울러, 휘도, 색좌표, 플리커, 크로스토크 및 잔상 등의 문제를 어느 정도 개선하여 TV에도 적용되고 있는 실정이다.In particular, the thin film transistor liquid crystal display has a narrow viewing angle and image quality, which has been pointed out as a disadvantage, and has a viewing angle comparable to that of CRT. In addition, some problems such as afterimage and the like are being applied to TVs.
한편, 상기 박막 트랜지스터 액정표시장치(이하, TFT-LCD)는 대부분 노트북 컴퓨터에 응용되어 왔는데, 최근의 핸드폰이 단순히 이동전화기로서의 기능 뿐 아니라 인터넷 서비스의 기능을 요구함에 따라, 핸드폰 단말기에도 적용되고 있다.On the other hand, the thin film transistor liquid crystal display device (hereinafter referred to as TFT-LCD) has been applied to most notebook computers. Recently, mobile phones are not only used as mobile phones but also as functions of Internet services. .
핸드폰 단말기에 적용되는 TFT-LCD는 크게 액정 패널과, 도광판을 포함한 백 라이트 유니트, 및 도광판의 하부에 배치되면서 액정 패널과 전기적으로 연결되어 상기 액정 패널에 소정의 구동 신호를 전달하는 인쇄회로기판(Printed Circuit Board : 이하, PCB)으로 이루어지며, 여기서, 상기 액정 패널과 PCB는 통상 스프링 커넥터(spring connector)에 의해 전기적으로 연결된다.The TFT-LCD applied to a mobile phone terminal is largely a liquid crystal panel, a backlight unit including a light guide plate, and a printed circuit board which is disposed under the light guide plate and is electrically connected to the liquid crystal panel to transmit predetermined driving signals to the liquid crystal panel. Printed Circuit Board (hereinafter, referred to as PCB), wherein the liquid crystal panel and the PCB are usually electrically connected by a spring connector.
도 1 및 도 2는 종래 기술에 따른 핸드폰 단말기용 액정표시장치에서의 액정 패널과 PCB간의 전기적 연결을 설명하기 위한 도면이다.1 and 2 are views for explaining the electrical connection between the liquid crystal panel and the PCB in the liquid crystal display device for a mobile phone terminal according to the prior art.
도시된 바와 같이, 액정 패널(2)과 PCB(6)는 백 라이트 유니트(도시안됨)의 부품인 도광판(4)의 개재하에 적층 배치되며, 상기 액정 패널(2)의 각 패드(도시안됨)와 PCB(6)의 각 전극단자(도시안됨)는 상기 도광판(4)의 홈 내에 삽입 고정된 스프링 커넥터(10)에 의해 전기적으로 상호 연결된다.As shown, the liquid crystal panel 2 and the PCB 6 are stacked and interposed under the light guide plate 4 which is a part of the backlight unit (not shown), and each pad of the liquid crystal panel 2 is shown. And each electrode terminal (not shown) of the PCB 6 are electrically interconnected by a spring connector 10 inserted into and fixed in the groove of the light guide plate 4.
그러나, 종래의 핸드폰 단말기용 액정표시장치는 액정 패널과 PCB간의 전기적 연결을 위해 ACF(Anisotrophic Conductive Film) 및 FPC(Flexible Printed Circuit)이 사용되어야 하므로, 가격이 비싼 단점이 있고, 특히, 이러한 부품들의 사용으로 인해 액정 패널과 PCB간의 접속 불량이 발생될 확률이 높은 단점이 있다.However, the conventional liquid crystal display device for a mobile phone terminal has a disadvantage that the price is expensive because an anisotrophic conductive film (ACF) and flexible printed circuit (FPC) must be used for the electrical connection between the liquid crystal panel and the PCB. Due to the use, there is a high possibility of a poor connection between the liquid crystal panel and the PCB.
따라서, 본 발명은 상기한 종래 기술의 문제점을 감안하여 안출한 것으로, 가격을 낮추면서 액정 패널과 PCB간의 접속 불량이 방지되도록 한 핸드폰 단말기용 액정표시장치를 제공함에 그 목적이 있다.Accordingly, an object of the present invention is to provide a liquid crystal display device for a mobile phone terminal which prevents a poor connection between a liquid crystal panel and a PCB while reducing the price.
도 1 및 도 2는 종래 기술에 따른 핸드폰 단말기용 액정표시장치에서의 액정 패널과 인쇄회로기판간의 전기적 연결을 설명하기 위한 도면.1 and 2 are views for explaining the electrical connection between the liquid crystal panel and the printed circuit board in the liquid crystal display device for a mobile phone according to the prior art.
도 3은 본 발명의 실시예에 따른 핸드폰 단말기용 액정표시장치에서의 액정 패널을 도시한 도면.3 is a view showing a liquid crystal panel in the liquid crystal display device for a mobile phone terminal according to an embodiment of the present invention.
도 4 및 도 5는 본 발명의 실시예에 따른 핸드폰 단말기용 액정표시장치에서의 액정 패널과 인쇄회로기판간의 전기적 연결을 설명하기 위한 도면.4 and 5 are views for explaining the electrical connection between the liquid crystal panel and the printed circuit board in the liquid crystal display device for a mobile phone terminal according to an embodiment of the present invention.
* 도면의 주요부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings
2 : 액정 패널 4 : 도광판2: liquid crystal panel 4: light guide plate
6 : 인쇄회로기판 10 : 스프링 커넥터6: printed circuit board 10: spring connector
12 : 스프링 핀12: spring pin
상기의 목적을 달성하기 위한 본 발명의 핸드폰 단말기용 액정표시장치는, 일측 가장자리에 수 개의 패드를 갖는 액정 패널과, 상기 액정 패널의 하부에 배치되는 도광판과, 상기 도광판의 하부에 배치되며 상기 액정 패널의 패드와 전기적으로 연결되는 수 개의 전극단자를 갖는 인쇄회로기판을 포함하는 핸드폰 단말기용 액정표시장치에 있어서, 상기 액정 패널은 그의 각 패드에 스프링 핀(spring pin)이 설치되어, 이 스프링 핀이 압착되는 것에 의해 상기 액정 패널의 패드와 인쇄회로기판의 전극단자간이 직접 전기적으로 연결되는 것을 특징으로 한다.According to an aspect of the present invention, there is provided a liquid crystal display device for a mobile phone terminal, the liquid crystal panel having several pads at one edge thereof, a light guide plate disposed under the liquid crystal panel, and a liquid crystal panel disposed under the light guide plate. A liquid crystal display device for a mobile phone terminal comprising a printed circuit board having several electrode terminals electrically connected to pads of a panel, wherein the liquid crystal panel is provided with a spring pin on each pad thereof. By the compression, the pads of the liquid crystal panel and the electrode terminals of the printed circuit board are directly electrically connected.
본 발명에 따르면, 액정 패널과 PCB간의 전기적 연결이 상기 액정 패널에 설치된 스프링 핀에 의해 이루어지기 때문에 상기 액정 패널과 PCB간의 전기적 연결을 위한 ACF 및 FPC가 필요치 않으며, 따라서, 전기적 접속 신뢰성을 향상시킬 수 있으며, 아울러, 제조 비용을 절감할 수 있다.According to the present invention, since the electrical connection between the liquid crystal panel and the PCB is made by a spring pin installed in the liquid crystal panel, ACF and FPC are not required for the electrical connection between the liquid crystal panel and the PCB, thus improving the electrical connection reliability. In addition, the manufacturing cost can be reduced.
(실시예)(Example)
이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 보다 상세하게 설명하도록 한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
도 3 내지 도 5는 본 발명의 실시예에 따른 핸드폰 단말기용 액정표시장치에서의 액정 패널 및 상기 액정 패널과 PCB간의 전기적 연결을 설명하기 위한 도면으로서, 이를 설명하면 다음과 같다.3 to 5 are views for explaining the liquid crystal panel and the electrical connection between the liquid crystal panel and the PCB in the liquid crystal display device for a mobile phone terminal according to an embodiment of the present invention.
도 3을 참조하면, 본 발명의 액정 패널(2)은 그의 일측 가장자리에 수 개의 패드(도시안됨)가 구비되며, 각 패드(도시안됨)에는 스프링 핀(12)이 설치된다. 상기 스프링 핀(12)은 대략 "S"자 형상으로서, 예컨데, 솔더링(soldering)에 의해 각 패드에 설치되며, 아울러, 전기적으로 연결된다.Referring to FIG. 3, the liquid crystal panel 2 of the present invention is provided with several pads (not shown) at one edge thereof, and spring pins 12 are provided at each pad (not shown). The spring pin 12 has an approximately "S" shape, for example, is installed on each pad by soldering and is electrically connected.
도 4 및 도 5를 참조하면, 각 패드에 스프링 핀(12)이 설치된 액정 패널(2)이 도광판(도시안됨)의 개재하에 PCB(6) 상에 일정 압으로 고정 배치된다. 상기 PCB(12)는 상기 액정 패널(2)의 각 패드에 대응하는 위치에 대응하는 수만큼 수 개의 전극단자(도시안됨)가 구비되어 있으며, 이때, 상기 액정 패널(2)의 각 패드에 설치된 스프링 핀(12)이 눌려지는 것에 의해 상기 액정 패널(2)의 각 패드와 PCB(12)의 각 전극단자는 전기적으로 각각 상호 연결된다.4 and 5, a liquid crystal panel 2 having spring pins 12 provided on each pad is fixedly disposed on the PCB 6 under a light guide plate (not shown). The PCB 12 includes a plurality of electrode terminals (not shown) corresponding to the positions corresponding to the respective pads of the liquid crystal panel 2, and at this time, the pads 12 are provided on each pad of the liquid crystal panel 2. As the spring pin 12 is pressed, each pad of the liquid crystal panel 2 and each electrode terminal of the PCB 12 are electrically connected to each other.
상기와 같은 본 발명의 핸드폰 단말기용 액정표시장치에 따르면, 액정 패널과 PCB간의 전기적 연결이 단지 스프링 핀에 의해서 이루어지므로, 종래의 그것과비교해서, ACF 및 FPC의 사용이 생략될 수 있다.According to the liquid crystal display device for a mobile phone terminal of the present invention as described above, since the electrical connection between the liquid crystal panel and the PCB is made only by the spring pin, in comparison with the conventional one, the use of ACF and FPC can be omitted.
따라서, 본 발명은 액정 패널과 PCB간을 전기적으로 연결함에 있어서, ACF 및 FPC의 사용을 생략할 수 있으므로, 이에 해당하는 만큼 제조 비용 및 시간을 줄일 수 있고, 특히, 종래에는 ACF 및 FPC의 사용으로 인해 접속 불량이 발생될 확률이 높지만, 본 발명의 경우에는 액정 패널의 패드에 설치된 스프링 핀이 PCB의 전극단자와 직접 접속되므로, 접속 불량이 발생될 확률도 현저하게 줄일 수 있다.Therefore, the present invention can omit the use of the ACF and FPC in the electrical connection between the liquid crystal panel and the PCB, it is possible to reduce the manufacturing cost and time as it corresponds, in particular, the conventional use of the ACF and FPC Due to the high probability of poor connection, in the case of the present invention, since the spring pins provided on the pads of the liquid crystal panel are directly connected to the electrode terminals of the PCB, the possibility of poor connection can be significantly reduced.
결과적으로, 본 발명은 단지 액정 패널의 각 패드에 스프링 핀을 설치하는 것만으로, 매우 용이하면서 신뢰성 있게 액정 패널과 PCB간의 전기적 접속을 달성할 수 있다.As a result, the present invention can achieve electrical connection between the liquid crystal panel and the PCB very easily and reliably only by providing spring pins to each pad of the liquid crystal panel.
이상에서와 같이, 본 발명은 액정 패널의 각 패드에 스프링 핀을 설치하여 이 스프링 핀의 압착에 의해 상기 액정 패널과 PCB간의 전기적 접속이 이루어지도록 하는 바, 부품수 및 공정 축소에 따라 제조 비용을 절감할 수 있음은 물론 작업성을 향상시킬 수 있고, 특히, 액정 패널과 PCB간의 전기적 접속이 간접이 아닌 직접적으로 이루어지는 것으로 인해 핸드폰 단말기용 액정표시장치의 신뢰성을 향상시킬 수 있다.As described above, the present invention is to provide a spring pin to each pad of the liquid crystal panel, so that the electrical connection between the liquid crystal panel and the PCB is made by pressing the spring pin, the manufacturing cost according to the number of parts and process reduction Not only can it be reduced, but it is also possible to improve workability, and in particular, the electrical connection between the liquid crystal panel and the PCB is made indirectly rather than indirectly, thereby improving the reliability of the liquid crystal display device for a mobile phone terminal.
기타, 본 발명은 그 요지가 일탈하지 않는 범위에서 다양하게 변경하여 실시할 수 있다.In addition, this invention can be implemented in various changes in the range which does not deviate from the summary.
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| KR1020010071426A KR20030040839A (en) | 2001-11-16 | 2001-11-16 | Liquid crystal display for terminal of cellular phone |
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| KR1020010071426A KR20030040839A (en) | 2001-11-16 | 2001-11-16 | Liquid crystal display for terminal of cellular phone |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100800686B1 (en) * | 2006-11-24 | 2008-02-01 | 삼성전자주식회사 | Lcd module and liquid crystal display device |
| KR100811897B1 (en) * | 2001-11-16 | 2008-03-10 | 비오이 하이디스 테크놀로지 주식회사 | Liquid crystal display for terminal of cellular phone |
| KR101038756B1 (en) * | 2008-10-14 | 2011-06-03 | 송기용 | Building panel-unit and beam form system using the same |
-
2001
- 2001-11-16 KR KR1020010071426A patent/KR20030040839A/en not_active Application Discontinuation
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100811897B1 (en) * | 2001-11-16 | 2008-03-10 | 비오이 하이디스 테크놀로지 주식회사 | Liquid crystal display for terminal of cellular phone |
| KR100800686B1 (en) * | 2006-11-24 | 2008-02-01 | 삼성전자주식회사 | Lcd module and liquid crystal display device |
| US7826024B2 (en) | 2006-11-24 | 2010-11-02 | Samsung Electronics Co., Ltd. | LCD module and liquid crystal imaging means using the same |
| KR101038756B1 (en) * | 2008-10-14 | 2011-06-03 | 송기용 | Building panel-unit and beam form system using the same |
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