KR100759407B1 - Dual Liquid Crystal Display Device Module - Google Patents

Dual Liquid Crystal Display Device Module

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Publication number
KR100759407B1
KR100759407B1 KR1020010062151A KR20010062151A KR100759407B1 KR 100759407 B1 KR100759407 B1 KR 100759407B1 KR 1020010062151 A KR1020010062151 A KR 1020010062151A KR 20010062151 A KR20010062151 A KR 20010062151A KR 100759407 B1 KR100759407 B1 KR 100759407B1
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KR
South Korea
Prior art keywords
liquid crystal
pcb
crystal display
attached
sided tape
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KR1020010062151A
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Korean (ko)
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KR20030030288A (en
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남택천
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삼성에스디아이 주식회사
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Priority to KR1020010062151A priority Critical patent/KR100759407B1/en
Publication of KR20030030288A publication Critical patent/KR20030030288A/en
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Publication of KR100759407B1 publication Critical patent/KR100759407B1/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
    • G02F1/1335—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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/0091—Positioning aspects of the light source relative to the light guide
    • 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
    • G02F1/133342—Constructional arrangements; Manufacturing methods for double-sided displays

Abstract

본 발명의 목적은 PCB두께와 두 양면 테이프 중 하나의 양면 테이프에 해당하는 두께를 감소시켜 종래 비해 더욱 슬림화된 듀얼 액정표시장치 모듈을 제공하는 것으로, 듀얼 액정표시장치 모듈은 관통구멍이 형성되는 PCB, 이 PCB의 하면에 부착되는 양면 테이프, 양면 테이프의 하면에 부착되는 메인 백라이트, 메인 백라이트의 하면에 부착되고 FPC를 통해 상기 PCB와 접속되는 메인 액정표시소자, 상기 관통구멍의 내부로 삽입되어 상기 양면 테이프의 상면에 부착되는 서브 백라이트, 및 상기 서브 백라이트의 상면에 부착되고 FPC를 통해 상기 PCB와 접속되는 서브 액정표시소자를 포함한다.An object of the present invention is to provide a slimmer dual liquid crystal display module more slimmer than conventional by reducing the thickness of the PCB and the thickness of one of the two-sided tape of the two-sided tape, the dual liquid crystal display module is a PCB through-hole is formed A double-sided tape attached to the lower surface of the PCB, a main backlight attached to the lower surface of the double-sided tape, a main liquid crystal display element attached to the lower surface of the main backlight and connected to the PCB through an FPC, inserted into the through hole And a sub backlight attached to the upper surface of the double-sided tape, and a sub liquid crystal display device attached to the upper surface of the sub backlight and connected to the PCB through the FPC.

듀얼, 액정표시소자, 슬림화, PCB, 관통구멍Dual, LCD, Slim, PCB, Through Hole

Description

듀얼 액정표시장치 모듈{Dual Liquid Crystal Display Device Module}Dual Liquid Crystal Display Device Module

도 1은 종래 듀얼 액정표시장치 모듈을 도시한 단면도.1 is a cross-sectional view showing a conventional dual liquid crystal display module.

도 2는 본 발명에 따른 듀얼 액정표시장치 모듈을 도시한 단면도.2 is a cross-sectional view showing a dual LCD module according to the present invention.

본 발명은 액정표시장치에 관한 것으로, 보다 상세하게는 양측으로 화상을 표시하는 듀얼 액정표시장치 모듈에 관한 것이다.The present invention relates to a liquid crystal display device, and more particularly, to a dual liquid crystal display module for displaying an image on both sides.

일반적으로 액정표시장치(Liquid Crystal Display)는 외부로부터 인가되는 전압에 의해 액정의 배열 방향이 변화되는 유전이방성을 이용하여, 백라이트로부터 조사된 광(光)을 선택적으로 투과시켜 문자나 숫자 혹은 기타 임의의 아이콘을 표시하는 장치이다.In general, a liquid crystal display uses dielectric anisotropy in which the arrangement direction of liquid crystals is changed by a voltage applied from the outside, and selectively transmits light irradiated from the backlight to generate letters, numbers, or other arbitrary matters. The device displays the icon.

이러한 액정표시장치는, 단방향으로 화상을 표시하는 구조에서 평행하게 배치된 투명한 2매의 글라스기판의 대향면에 ITO 투명전극을 형성하고, 그 내부에 액정물질을 주입하여 밀봉한 구성으로 되며, 글라스기판의 외측면에 실제적으로 디스플레이의 효과를 얻기 위해 백라이트 광을 선편광시켜 주는 편광판을 부착한 구성으로 이루어진다. Such a liquid crystal display device has a structure in which an ITO transparent electrode is formed on opposite surfaces of two transparent glass substrates arranged in parallel in a structure of displaying an image in a unidirectional direction, and a liquid crystal material is injected thereinto to seal the glass. On the outer surface of the substrate, a polarizing plate for linearly polarizing the backlight light is attached in order to obtain the effect of the display.                         

액정표시장치 중에서 최근들어 주목받고 있는 듀얼 액정표시장치는 양방향으로 화상을 표시하는 장치로서 PCB를 사이에 두고 양면에 액정패널이 설치된 구조이다.The dual liquid crystal display device, which is recently attracting attention among liquid crystal display devices, is a device that displays images in both directions, and has a structure in which liquid crystal panels are installed on both sides of the PCB.

도 1에서는 종래 듀얼 액정표시장치 모듈을 단면도로 나타내고 있다.1 illustrates a cross-sectional view of a conventional dual liquid crystal display module.

도 1에 도시된 PCB(1)를 기준으로, PCB(1)의 하면에는 메인 백라이트(3)가 메인 양면 테이프(5)에 의해 부착되고, 메인 백라이트(3)의 하면에는 메인 액정패널(7)이 부착된다.Based on the PCB 1 shown in FIG. 1, the main backlight 3 is attached to the lower surface of the PCB 1 by the main double-sided tape 5, and the main liquid crystal panel 7 is attached to the lower surface of the main backlight 3. ) Is attached.

그리고 PCB(1)의 상면에는 서브 백라이트(9)가 서브 양면 테이프(11)에 의해 부착되고, 서브 백라이트(9)의 상면에 서브 액정패널(13)이 부착된다.The sub backlight 9 is attached to the upper surface of the PCB 1 by the sub double-sided tape 11, and the sub liquid crystal panel 13 is attached to the upper surface of the sub backlight 9.

상기 메인 액정패널(7)과 서브 액정패널(13)은 PCB(1)에 FPC(Flexible Printed Circuit)(15)에 의해 각각 접속된다.The main liquid crystal panel 7 and the sub liquid crystal panel 13 are connected to the PCB 1 by FPC (Flexible Printed Circuit) 15, respectively.

이와 같은 단면 구조로 이루어진 듀얼 액정표시장치 모듈은 도 1에서도 알 수 있듯이, PCB의 양측면에 메인 양면 테이프와 서브 양면 테이프가 이중으로 부착되는 설계로 제작된다.As shown in FIG. 1, the dual liquid crystal display module having the cross-sectional structure as described above is manufactured in a design in which the main double-sided tape and the sub-double-sided tape are doublely attached to both sides of the PCB.

그러나, 더욱더 슬림화되고 있는 액정표시장치의 모듈 설계를 감안할 때 양면 테이프가 이중으로 부착되는 것을 줄일 수 있다면 액정표시장치의 두께를 감소시킬 수 있고, 나아가 전자제품을 슬림화할 수 있을 것이다.However, in view of the module design of the liquid crystal display device, which is becoming slimmer, if the double-sided tape can be reduced in double attachment, the thickness of the liquid crystal display device can be reduced, and further, the electronic product can be made slimmer.

이와 같은 기술적 내용을 반영하여 안출된 본 발명은 PCB두께와 두 양면 테이프 중 하나의 양면 테이프에 해당하는 두께를 감소시켜 종래 비해 더욱 슬림화된 듀얼 액정표시장치 모듈을 제공함에 그 목적이 있다.SUMMARY OF THE INVENTION The present invention has been made in view of the above technical contents, and has an object of providing a slimmer dual LCD module by reducing the thickness corresponding to one sided tape of a PCB thickness and two sided tapes.

상기와 같은 목적을 달성하기 위해서 본 발명의 듀얼 액정표시장치 모듈은, 관통구멍이 형성되는 PCB, 이 PCB의 하면에 부착되는 양면 테이프, 양면 테이프의 하면에 부착되는 메인 백라이트, 메인 백라이트의 하면에 부착되고 FPC를 통해 상기 PCB와 접속되는 메인 액정패널, 상기 관통구멍의 내부로 삽입되어 상기 양면 테이프의 상면에 부착되는 서브 백라이트, 및 상기 서브 백라이트의 상면에 부착되고 FPC를 통해 상기 PCB와 접속되는 서브 액정패널을 포함한다.In order to achieve the above object, the dual liquid crystal display module of the present invention includes a PCB having a through hole, a double-sided tape attached to a lower surface of the PCB, a main backlight attached to a lower surface of the double-sided tape, and a lower surface of the main backlight. A main liquid crystal panel attached and connected to the PCB through an FPC, a sub backlight inserted into the through hole and attached to an upper surface of the double-sided tape, and attached to an upper surface of the sub backlight and connected to the PCB through an FPC. And a sub liquid crystal panel.

이하, 첨부된 도면에 의거하여 본 발명에 따른 바람직한 실시예를 상세히 설명한다. 도 2는 본 발명에 따른 듀얼 액정표시장치 모듈을 도시한 단면도이다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. 2 is a cross-sectional view illustrating a dual liquid crystal display module according to the present invention.

본 발명의 듀얼 액정표시장치 모듈은 PCB(21)에 2개의 액정패널이 설치되는 것으로, 두 액정패널에서 표시되는 화상은 서로 반대 방향으로 보여지도록 배치된다. 즉, 도 2를 기준으로, 메인 액정패널(23)은 하방으로 화상이 표시되도록 배치되며 서브 액정패널(25)은 상방으로 화상이 표시되도록 배치된다.In the dual liquid crystal display module of the present invention, two liquid crystal panels are installed on the PCB 21, and the images displayed on the two liquid crystal panels are arranged to be viewed in opposite directions to each other. That is, based on FIG. 2, the main liquid crystal panel 23 is disposed to display an image downward, and the sub liquid crystal panel 25 is disposed to display an image upward.

PCB(21)는 액정패널에 원하는 화상이 표시되도록 회로가 형성되며, 중심부에는 본 발명의 특징에 따라 관통구멍(21a)이 형성된다.The PCB 21 is formed with a circuit such that a desired image is displayed on the liquid crystal panel, and a through hole 21a is formed in the center of the PCB 21 in accordance with a feature of the present invention.

관통구멍(21a)의 하부에는 양면 테이프(27)가 관통구멍(21a)을 막으면서 PCB(21)에 부착되고, 양면 테이프(27)의 하면에는 메인 백라이트(29) 및 메인 액정패널(23)이 순차적으로 부착된다.A double-sided tape 27 is attached to the PCB 21 at the lower portion of the through-hole 21a while blocking the through-hole 21a, and the main backlight 29 and the main liquid crystal panel 23 are disposed on the lower surface of the double-sided tape 27. Are attached sequentially.

관통구멍(21a)의 내부에는 서브 백라이트(31)가 삽입되어 상술한 양면 테이 프(27)의 상면에 부착된다.The sub backlight 31 is inserted into the through hole 21a and attached to the upper surface of the double-sided tape 27 described above.

서브 백라이트(31)의 상면에는 서브 액정패널(25)이 부착된다.The sub liquid crystal panel 25 is attached to an upper surface of the sub backlight 31.

이러한 서브 액정패널(25)과 상술한 메인 액정패널(23)은 FPC(33)를 이용하여 PCB(21)의 상면과 하면에 형성된 회로에 각각 접속된다.The sub liquid crystal panel 25 and the above-described main liquid crystal panel 23 are connected to circuits formed on the upper and lower surfaces of the PCB 21 using the FPC 33, respectively.

이와 같은 구조에서 사용되는 메인 백라이트(29)와 서브 백라이트(31)는 EL 소자 (Electroluminescence element) 또는 LED(Light Emitting Diode) 등 액정패널의 종류에 따라 다양한 램프가 사용될 수 있을 것이다.As the main backlight 29 and the sub backlight 31 used in such a structure, various lamps may be used according to the type of liquid crystal panel such as an EL element (Electroluminescence element) or an LED (Light Emitting Diode).

이상과 같이 구성되는 본 발명의 듀얼 액정표시장치 모듈은 PCB에 관통구멍을 뚫어, 그 관통구멍으로 삽입된 서브 백라이트가 양면 테이프의 상면에 부착됨으로써 종래에 비해서 PCB두께와 서브 백라이트를 PCB에 부착하기 위해 사용되었던 양면 테이프의 두께만큼 얇게 설계가 가능하게 된다.In the dual liquid crystal display module according to the present invention configured as described above, a through hole is formed in the PCB, and the sub backlight inserted into the through hole is attached to the upper surface of the double-sided tape to attach the PCB thickness and the sub backlight to the PCB. It is possible to design as thin as the thickness of the double-sided tape used for.

이상에서 살펴본 바와 같이 본 발명에 따른 듀얼 액정표시장치 모듈에 의하면, PCB에 관통구멍을 뚫어 서브 백라이트를 PCB 하면에 부착된 양면 테이프의 상면에 부착함으로써, PCB의 두께 0.4mm 와 서브 백라이트를 부착하기 위해 사용됐던 서브 양면 테이프의 두께 0.15mm 만큼 듀얼 액정표시장치 모듈을 슬림화할 수 있게 된다.As described above, according to the dual liquid crystal display module according to the present invention, by attaching the sub backlight to the upper surface of the double-sided tape attached to the lower surface of the PCB by drilling through holes in the PCB, the thickness of the PCB and the sub backlight are attached. The dual liquid crystal display module can be made slimmer by 0.15mm in thickness of the sub double-sided tape used for this purpose.

따라서, 듀얼 액정표시장치 모듈이 사용되는 전자제품의 전체 두께를 줄일 수 있게 되어 제품의 품질이 향상된다.Therefore, the overall thickness of the electronic product in which the dual liquid crystal display module is used can be reduced, thereby improving product quality.

또한, 서브 백라이트를 부착하기 위한 양면 테이프가 없어도 되기 때문에 듀 얼 액정표시장치 모듈의 제품 원가를 줄일 수 있게 된다.In addition, since the double-sided tape for attaching the sub backlight is not required, product cost of the dual LCD module can be reduced.

Claims (1)

관통구멍이 형성되는 PCB,PCB through-holes are formed, 상기 PCB의 하면에 부착되는 양면 테이프,Double-sided tape attached to the lower surface of the PCB, 상기 양면 테이프의 하면에 부착되는 메인 백라이트,A main backlight attached to the lower surface of the double-sided tape, 상기 메인 백라이트의 하면에 부착되고 FPC를 통해 상기 PCB와 접속되는 메인 액정패널,A main liquid crystal panel attached to a bottom surface of the main backlight and connected to the PCB through an FPC; 상기 관통구멍의 내부로 삽입되어 상기 양면 테이프의 상면에 부착되는 서브 백라이트, 및A sub backlight inserted into the through hole and attached to an upper surface of the double-sided tape; and 상기 서브 백라이트의 상면에 부착되고 FPC를 통해 상기 PCB와 접속되는 서브 액정패널을 포함하는 듀얼 액정표시장치 모듈.And a sub liquid crystal panel attached to an upper surface of the sub backlight and connected to the PCB through an FPC.
KR1020010062151A 2001-10-09 2001-10-09 Dual Liquid Crystal Display Device Module KR100759407B1 (en)

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CN106773386B (en) * 2016-12-23 2020-09-01 武汉华星光电技术有限公司 Double-sided display device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0830234A (en) * 1994-07-13 1996-02-02 Sharp Corp Liquid crystal display device and projector using same
KR20010000974A (en) * 1998-11-02 2001-01-05 윤종용 Both-sides liquid crystal display in cellular phone with folder type
KR20010016833A (en) * 1999-08-04 2001-03-05 서평원 Apparatus For Liquid Crystal Display in A Folder Form Mobile Telecommunication Terminal
KR20020039273A (en) * 2001-02-07 2002-05-25 송문섭 Apparatus for dual display of polder mobile terminal

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0830234A (en) * 1994-07-13 1996-02-02 Sharp Corp Liquid crystal display device and projector using same
KR20010000974A (en) * 1998-11-02 2001-01-05 윤종용 Both-sides liquid crystal display in cellular phone with folder type
KR20010016833A (en) * 1999-08-04 2001-03-05 서평원 Apparatus For Liquid Crystal Display in A Folder Form Mobile Telecommunication Terminal
KR20020039273A (en) * 2001-02-07 2002-05-25 송문섭 Apparatus for dual display of polder mobile terminal

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