KR100643604B1 - Free bending backlight unit - Google Patents

Free bending backlight unit Download PDF

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Publication number
KR100643604B1
KR100643604B1 KR1020050053771A KR20050053771A KR100643604B1 KR 100643604 B1 KR100643604 B1 KR 100643604B1 KR 1020050053771 A KR1020050053771 A KR 1020050053771A KR 20050053771 A KR20050053771 A KR 20050053771A KR 100643604 B1 KR100643604 B1 KR 100643604B1
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KR
South Korea
Prior art keywords
flexible
pcb
guide plate
flexible light
light
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KR1020050053771A
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Korean (ko)
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유영호
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화우테크놀러지 주식회사
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Priority to KR1020050053771A priority Critical patent/KR100643604B1/en
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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00Light guides
    • G02B6/0001Light guides specially adapted for lighting devices or systems
    • G02B6/0011Light guides specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081Mechanical 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
    • G02B6/0086Positioning aspects
    • G02B6/0091Positioning aspects of the light source relative to the light guide
    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; 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
    • G02F1/133305Flexible substrates, e.g. plastics, organic film
    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; 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
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133603Direct backlight with LEDs
    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; 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
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133608Direct backlight including particular frames or supporting means
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F21/00Mobile visual advertising
    • G09F21/02Mobile visual advertising by a carrier person or animal
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F21/00Mobile visual advertising
    • G09F21/04Mobile visual advertising by land vehicles
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00Light guides
    • G02B6/0001Light guides specially adapted for lighting devices or systems
    • G02B6/0011Light guides specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/0035Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/00362-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00Light guides
    • G02B6/0001Light guides specially adapted for lighting devices or systems
    • G02B6/0011Light guides specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/0035Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/004Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0043Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00Light guides
    • G02B6/0001Light guides specially adapted for lighting devices or systems
    • G02B6/0011Light guides specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0066Light guides specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
    • G02B6/0068Arrangements of plural sources, e.g. multi-colour light sources
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/18Printed circuits structurally associated with non-printed electric components
    • H05K1/189Printed circuits structurally associated with non-printed electric components characterised by the use of a flexible or folded printed circuit
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/0058Laminating printed circuit boards onto other substrates, e.g. metallic substrates

Abstract

A flexible backlight unit is provided to realize the flexural transformation, thereby facilitating the installation at any structures having a curved surface, such as vehicles, by coupling a flexible light guiding plate and a PCB such that flat surfaces of the flexible light guiding plate and the PCB parallels each other. A flexible light guiding plate(10) has a plurality of V-shaped grooves(11), concave and convex dots, or printing dots. The flexible light guiding plate is formed of a transparent synthetic resin. A plurality of LEDs(Light Emitting Diodes)(20) and electronic elements are mounted on a PCB(Printed Circuit Board)(30). A reflective sheet is provided on a rear surface of the flexible light guiding plate. The PCB is coupled with the flexible light guiding plate such that a portion of a flat surface of the PCB overlaps one side surface of the flexible light guiding plate.

Description

휨 변형이 자유로운 연성 백라이트 유니트{FREE BENDING BACKLIGHT UNIT} The flexure-free flexible backlight unit {FREE BENDING BACKLIGHT UNIT}

도 1a는 일반적인 도광판의 구성을 보이는 후면도 Fig. 1a is a rear view showing the structure of a general light guide panel

도 1b는 도 1a의 AA선 단면 일부 상세도 Figure 1b is a cross-sectional line AA, some details of Fig. 1a Fig.

도 2는 본 발명에 따른 일 실시예의 구성을 보이는 사시도 Figure 2 is a perspective view showing one embodiment according to the invention

도 3a는 도 2의 단면 일부 상세도 Figure 3a is a part cross-sectional detail of Figure 2 Fig.

도 3b는 도 3a에 대응하는 다른 실시예의 예시도 Figure 3b is a further embodiment illustrated corresponding to Figs. 3a

도 3c는 도 3a에 대응하는 또 다른 실시예의 예시도 Figure 3c is a further example embodiment corresponding to Figure 3a

도 4a 내지 도 4c는 본 발명에 따른 일 사용상태 예시도 Figures 4a to 4c is a diagram of an example use state according to the invention

*도면의 주요 부분에 대한 부호의 설명 * Description of the Related Art

1: 본 발명의 휨 변형이 자유로운 연성 백라이트 유니트 1: the free flexible backlight unit flexure of the present invention

10: 연성 도광판 11: V홈 20: 엘이디(광원) 10: a flexible light guide plate 11: V groove 20: LED (light source)

30: 피씨비 31: 평탄면 40: 반사시트 30: PCB 31: flat surface 40: Reflection sheet

51: 접착제 53: 체결수단 70: 반사커버 51: adhesive 53: connection unit 70: reflected cover

본 발명은 백라이트 유니트에 관한 것으로서, 특히 다수 엘이디의 설치가 효율적으로 이루어짐과 동시에 연성 백라이트 유니트의 특징인 자유로운 휨 변형을 구현하여 차량과 같이 곡면을 포함하는 어떤 구조물에도 설치가 용이하게 이루어짐으로써 야간시 시선 집중기능이 탁월한 역동적인 광고수단 및 디스플레이수단을 제공하며, 독립적으로 설치 및 사용이 가능함으로써 광고용 현수막, 야간경기 응원용구, 피켓, 교통경찰 또는 도로 청소원들이 야간시 착용하는 발광띠, 완장, 샌드위치맨의 앞뒤 걸개 등 그 적용영역이 획기적으로 확장되도록 하는 휨 변형이 자유로운 연성 백라이트 유니트에 관한 것이다. The present invention at night as, in particular, the installation of a number of LED to implement the features of the free flexure of the flexible backlight unit at the same time as efficient yirueojim as easy to install in any structure comprising a curved surface, such as vehicle yirueojim relates to a back light unit attention focused features excellent dynamic ad unit and provide a display means, independently installed and used this can be done by advertising banners, night games support tools, picket, traffic police or road cleaners are light-emitting headband, armband and sandwiches to wear at night the bending deformation of the front and rear hanger such as the application area of ​​the top that significantly extends relates to a flexible free backlight unit.

일반적으로 엘시디(LCD), 광고용, 조명용, 바닥의 전시조명, 유도로 및 데코레이션 등으로 사용되는 백라이트 유니트(Back Light Unit)는 빛을 발광하는 광원이 투광 가능한 아크릴판으로 이루어지는 도광판의 일측에 설치되고, 상기 도광판은 광원의 빛의 경로 및 산란을 유도하기 위하여 일측 표면에 소정 패턴의 홈, 요철 돗트 또는 프린팅 돗트를 형성하여 구성된다. A backlight unit that is used in general LCD (LCD), advertisement, illumination, display light of the floor, the guide and decoration, etc. (Back Light Unit) is installed at a side of the light guide plate is a light source for emitting light comprising a translucent available acrylic the light guide plate is formed by forming a groove, or the concave-convex dot printing dots having a predetermined pattern on one surface in order to induce the path and scattering of light of the light source.

도 1a는 일반적인 백라이트 유니트(100)의 후면도이고, 도 1b는 도 1a의 AA선 단면 일부 상세도이다. Figure 1a is a rear view of a typical back light unit 100, Fig. 1b is a cross-sectional line AA some details of Figure 1a.

도 1a 및 도 1b를 참고하여 그 구조를 살펴보면, 투광가능한 재질로 된 도광판(110)의 측면에 빛을 발광하는 광원(120)이 배치되는데, 상기 도광판의 후면에는 측면에서 발광된 빛을 디스플레이 필름(140)이 취부되는 도광판(110) 전면으로 균 일하게 산란시키기 위한 수평 및 수직 V홈(112)이 다수개 형성되며, 상기 V홈이 형성된 도광판(110)의 후면에는 PET 재질의 반사시트(150)가 부착된다. With reference to Figures 1a and 1b Referring to the structure, light projection is disposed a light source 120 for emitting light to the side of a light guide plate 110 to the available materials, the back side of the light guide panel displays the light emitted from the side film 140, a reflective sheet on the back, the PET material of the horizontal and vertical V-shaped groove 112 is a plurality of formed, the V light guide plate 110, grooves are formed for scattering working strain to the front to be attached light guide plate 110 ( 150) is attached.

이와 같은 구성의 도광판(110)은 광원으로부터 조사된 빛을 도광판의 전면으로 굴절, 산란시키는 V홈(112)의 간격이 광원(120)과 가까울수록 조사된 빛의 손실량이 적어지게 되므로 멀리 배치하고, 광원으로부터 멀어질수록 빛이 투과되는 과정에서 손실되는 양이 많아지게 되므로 점진적으로 좁게 배열하여 휘도의 균일화를 기하고 있다. The light guide plate 110 in the same configuration, since the amount of loss of light, the higher the interval of the V-groove 112 for refracting and scattering of light radiated from the light source to the front of the light guide plate closer to the light source 120 is irradiated becomes less and far place , farther away from the light source to gradually narrow the array, so the amount that is lost in the process by which light is transmitted it can be increased, and the uniformity of brightness groups.

그러나, 종래 기술은 도광판(110)이 경질로 이루어져 벽체나 스탠드에 의지하여 고정적으로만 설치됨으로써 디스플레이기능이 우수한 장점에도 불구하고 활용영역에 제약이 따르는 문제점이 있었다. However, the prior art light guide plate 110 has a problem, and according to a restriction on the utilization area despite consists of a rigid excellent display functions by being installed will only fixed to the wall or the stand advantages.

또한, 도광판을 굽힐 수가 없어 운반 및 보관 관리에도 어려움이 있었다. Also, I can not bend the light guide plate even had difficulty carrying and storage management.

본 출원인은 이러한 문제점에 대한 대안으로서 특허출원 제2005-0011900호로 개시된 "유연성과 착탈수단을 겸비한 백라이트 유니트"를 제안한 바 있다. The present applicant has proposed a bar Patent Application No. 2005-0011900 disclosed arcs "back light unit that combines the flexibility and detachable means" As an alternative to this problem.

상기 선출원 기술은 도광판을 연질 합성수지재로 되는 연성 도광판으로 하여 유연성을 갖도록 하고 설치물에 탈부착이 자유롭도록 벨크로 파이버 파스너 등과 같은 착탈수단을 구비하여 의복 등에 부착이 가능토록 함으로써 움직이는디스플레이수단이 되며 보관 및 관리가 간편해지는 것이다. The earlier application technique to have a flexibility, the flexible light guide plate of a soft synthetic resin material, and so that the detachable to the fixture is free to having a detachable means, such as Velcro fiber fastener is moving display means by ever can be attached to the clothing store and manage the light guide plate It will become easier.

그런데, 이와 같은 연성 도광판을 사용하는 백라이트 유니트에 있어서는 광원을 보다 효율적으로 설치할 수 있어야 되는 과제가 대두되었다. However, this is in the back light unit using such a flexible light pipe problem which should be able to efficiently install than the light emerged.

즉, 도광판의 휨을 자유롭게 하기 위하여 광원인 엘이디소자 및 그 전원부재 를 개별적으로 도광판에 취부함으로써 생산성면에서 문제가 되었다 That is, it was a problem in terms of productivity, by mounting the light source in the LED device and a power supply member individually to the light guide plate in order to free the bending of the light guide plate

본 발명은 상기한 문제점을 해소하기 위하여 안출된 것으로서, The present invention has been made in view of the above problem,

본 발명의 목적은 다수 엘이디의 설치가 효율적으로 이루어짐과 동시에 연성 백라이트 유니트의 특징인 자유로운 휨 변형을 구현하여 차량과 같이 곡면을 포함하는 어떤 구조물에도 설치가 용이하게 이루어짐으로써 야간시 시선 집중기능이 탁월한 역동적인 광고수단 및 디스플레이수단으로서의 휨 변형이 자유로운 연성 백라이트 유니트를 제공함에 있다. An object of the present invention is the installation of a number of LEDs efficiently yirueojim and at the same time flexible by implementing the features of the free flexure of the back light unit superior gaze focus function at night by the installation is easily yirueojim any structure comprising a curved surface, such as a vehicle the dynamic bending deformation as an advertising means and the display means is the free flexible backlight unit to provide.

본 발명의 다른 목적은 독립적으로 설치 및 사용이 가능함으로써 광고용 현수막, 야간경기 응원용구, 피켓, 교통경찰 또는 도로 청소원들이 야간시 착용하는 발광띠, 완장, 샌드위치맨의 앞뒤 걸개 등 그 적용영역이 획기적으로 확장되는 휨 변형이 자유로운 연성 백라이트 유니트를 제공함에 있다. It is another object of the present invention are independently install and use possible by advertising banners, night games support tools, picket, traffic police or road cleaners are its application areas, such as light-emitting headband, armband, front and rear hanger sandwich man to wear at night dramatically the bending deformation that is extended to be free to provide a flexible light unit.

상기한 목적을 달성하는 본 발명에 따른 휨 변형이 자유로운 연성 백라이트 유니트는, 다수의 V홈, 요철 돗트 또는 프린팅 돗트가 형성되며 투광 가능한 연질합성수지재로 이루어지는 연성 도광판, 상기 연성 도광판에 빛을 입사시키기 위한 광원으로서의 다수의 엘이디와 상기 엘이디 및 전자소자가 탑재되는 피씨비, 상기 연성 도광판의 후면에 부여되는 반사시트를 포함하여 구성되는 백라이트 유니트에 있어서, Flexure free flexible backlight unit according to the present invention for achieving the above object, the plurality of V-groove, is formed with a concave-convex dots or printing dots to incident light on the flexible light guide plate, the flexible light guide plate made of soft synthetic resin material transparent as possible in the backlight unit is configured by a reflective sheet to be imparted to the PCB, the back of the flexible light guide plate which is mounted a plurality of LEDs and the LED, and an electronic device as a light source for,

엘이디가 탑재되는 상기 피씨비는 평탄면의 일부가 연성 도광판의 일측면 선단부에 겹쳐지게 결합됨을 특징으로 한다. The LED PCB is mounted is characterized in that part of the flat sides is bonded to one side it overlaps the leading end of the flexible light pipe.

이하, 본 발명의 휨 변형이 자유로운 연성 백라이트 유니트에 대한 실시예를 첨부도면을 참조하여 보다 상세히 설명한다. With reference to the accompanying drawings, an embodiment of a bent and deformed freely flexible back light unit of the present invention will be described in more detail.

도 2는 본 발명에 따른 일 실시예의 구성을 보이는 사시도, 도 3a는 도 2의 단면 일부 상세도이다. Figure 2 is a perspective view showing one embodiment according to the invention, Figure 3a is a partially cross-sectional detailed view of Figure 2; 도 2 및 도 3a에 도시된 바와 같이, 본 발명에 따른 휨 변형이 자유로운 연성 백라이트 유니트(1)는, 다수의 V홈(11), 요철 돗트 또는 프린팅 돗트가 형성되며 투광 가능한 연질합성수지재로 이루어지는 연성 도광판(10), 상기 연성 도광판에 빛을 입사시키기 위한 광원으로서의 다수의 엘이디(LED)(20)와 상기 엘이디 및 전자소자가 탑재되는 피씨비(PCB)(30), 상기 연성 도광판의 후면에 부여되는 반사시트(50)를 포함하여 구성되는 백라이트 유니트에 있어서, 엘이디(20)가 탑재되는 상기 피씨비(30)는 평탄면(31)의 일부가 상기 연성 도광판의 일측면(13) 선단부에 겹쳐지게 결합되는 것이다. As illustrated in Figures 2 and 3a, the bending strain is freely flexible back light unit (1) according to the present invention, a plurality of V grooves 11, unevenness is formed with a dot or printing dots made of soft synthetic resin material transparent as possible a flexible light guide plate 10, a PCB (PCB) (30) which is mounted the flexible light guide plate a plurality of LED (LED) (20) as the light source for incident light on and the LED, and an electronic device, applied to the back of the flexible light guide plate in the backlight unit is configured by a reflective sheet 50 that is, become a part of the PCB 30 includes a flat surface 31 that the LED 20 is mounted overlaps the one side surface 13 leading end of the flexible light guide plate It is coupled.

여기서, 상기 엘이디는 피씨비에 대하여 직립 설치되거나 연결단자를 절곡하여 연성 도광판의 길이방향으로 설치되어도 무방하다(도 3a, 도 3b 참조). Here, the LED is but may be provided in the longitudinal direction of the flexible light guide plate installed upright with respect to the PCB or bending the connector (see Fig. 3a, Fig. 3b).

또한 상기 엘이디(20)는 고휘도의 SMD타입(20a) 또는 일반형(20b)으로 되고, 상기 연성 도광판의 일측변 또는 두 변 이상에 설치될 수 있으며, 상기 연성 도광판(10)은 상하좌우 등 어떤 방향으로 두루마리가 가능할 정도로 유연하고 투광성이 양호한 수지재로 이루어진다. In addition, in any direction, such as the LED 20 is a SMD type (20a) or the general type (20b) of the high intensity, can be installed at one lateral side or two sides or more of the flexible light guide plate, the flexible light guide plate 10 has vertical and horizontal a flexible and made of a good light transmitting resin material, so that a roll possible.

또한, 상기 피씨비(30)는 연성 도광판(10)에 접착 결합됨이 바람직하다. In addition, the PCB 30 is the adhesive bond being preferred for the flexible guide plate (10).

이를 위하여 상기 피씨비(30)의 접착부분에는 접착제가 도포된 후 이형지가 부여되거나 양면접착테이프(51)를 이용하여도 무방하다. The sticky side of the PCB 30. For this purpose there but may be after the adhesive is applied release paper is granted or using a double-sided adhesive tape 51.

상기 피씨비(30)는 연성 도광판에 피스나 리벳과 같은 체결수단(53)을 이용하여 고정될 수도 있다(도 3c 참조). The PCB 30 may be fixed using a fastening means 53 such as a piece or rivets to the flexible light guide plate (see Fig. 3c).

상기 피씨비(30)는 휨이 자유로운 유연재질로 이루어진다. The PCB 30 is formed of a flexible material is warp-free. 하지만 박판으로 이루어짐으로 일반적인 피씨비 소재로 되어도 무방하다. But in general but it may be constituted by any materials in PCB laminates.

그리고, 상기 엘이디(20) 및 피씨비(30)를 둘러싸는 예를 들면 합성수지재 시트와 같은 유연재질의 반사커버(70)가 부여된다. And, for example, surrounding the LED 20 and the PCB 30, the flexible material of the reflection cover 70, such as a synthetic resin sheet is given. 상기 반사커버(70)는 엘이디(20)의 광손실을 차단할 뿐만 아니라 습기나 이물질로부터 피씨비 및 엘이디를 보호한다. The reflective cover 70 protects the PCB and LED from moisture or foreign substances, as well as to block the light loss of the LED (20).

또한, 상기 피씨비(30)에 전원을 공급하기 위한 연결부 또는 배터리가 수반되는 것은 당업자라면 잘 알 것이다. Also, where the connection or battery for supplying power to the PCB 30 will be accompanied by one skilled in the art know well.

이와 같은 구성을 지닌 본 발명에 따른 휨 변형이 자유로운 연성 백라이트 유니트(1)의 작용 및 적용상태를 도 4a 내지 도 4c를 참고하여 살펴본다. Thus, with such a configuration looks at with reference to Fig. 4a to 4c the function and application state of the bending deformation is the free flexible backlight unit 1 according to the invention.

본 발명은 연성 도광판(10)의 일측면(13)에 피씨비(30)의 평탄면(31)이 겹쳐지게, 다시 말하면 두 구성부재의 평탄면(13)(31)이 평행하게 결합됨으로써 다수 엘이디의 설치가 효율적으로 이루어짐과 동시에 연성 도광판의 휨 변형과 동시적으 로 휨 변형이 발생된다. Multiple LED being present invention be a flat surface 31 of the PCB 30 is overlapped with one side 13 of the flexible light guide plate 10, in other words the flat surface 13, 31 is parallel to the joining of two structural members the installation of the yirueojim efficiently and at the same time deflected by bending deformation of the flexible light guide plate and the same time Write is generated.

즉, 다수의 엘이디(20)를 하나의 피씨비(30)에 설치하고 상기 피씨비(30)를 연성 도광판(10)에 단번에 접착함으로써 수 많은 엘이디(20)의 설치가 효율적으로 이루어져 생산성을 향상시킨다. That is, the installation of a large number of LEDs 20 in a PCB (30) and increase productivity, the installation of a number of LEDs 20 by stretch bonded to the PCB 30, the flexible light guide plate 10 is made efficiently.

아울러, 피씨비의 평탄면(31)이 연성 도광판의 평평한 일측면(13)에 대하여 직교방향 결합이 아닌 평행방향으로 겹쳐 결합됨으로써 예를 들면 두루마리 타입으로 권취할 경우, 연성 도광판(10)을 따라 피씨비(30)도 함께 휘어지고 권취되어 연성 도광판의 특징인 자유로운 휨 변형을 구현하는 것이다. In addition, when the flat surface 31 of the PCB is, for example, by binding overlapped in the parallel direction than the direction orthogonal to coupling with respect to a flat one side (13) of the flexible light guide plate to be wound in a roll type, a PCB according to a flexible light guide plate 10 30 is also to be bent is wound implement free flexure characteristics of the flexible light guide plate with.

이와 같은 본 발명에 따른 휨 변형이 자유로운 연성 백라이트 유니트(1)는, 예를 들면, 차량과 같이 곡면을 포함하는 어떤 구조물에도 설치가 용이하게 이루어지며, 활동성을 갖춘 대상물에 부가하여 야간에 공중의 시선 집중기능이 탁월한 역동적인 광고수단 및 디스플레이수단으로 작동하게 된다(도 4a, 도 4b 참조). Such a flexure is free flexible backlight unit 1 according to the invention is, for example, is made to be easy to install in any structure comprising a curved surface, such as the vehicle, in addition to the subject with the activity of the air during the night attention is focusing function is activated, the excellent dynamic advertising means, and display means (see Fig. 4a, Fig. 4b).

이때 설치 대상물에 대한 고정은 양면접착테이프 또는 피스와 같은 체결수단을 이용한다. The fixing of the installation object is used in a fastening means, such as double-sided adhesive tape or a piece.

또한, 본 발명은 차량과 같은 어떤 대상물에 고정되지 않고 독립적으로 설치 및 사용이 가능하다. In addition, the present invention can be installed and used independently without being fixed to any object such as a vehicle. 예를 들면, 광고용 현수막, 야간경기 응원용구, 피켓, 교통경찰 또는 도로 청소원들이 야간시 착용하는 발광띠, 완장, 샌드위치맨의 앞뒤 걸개 등 그 적용영역이 무궁무진하다(도 4c 참조). For example, advertising banners, its application area, such as night game support tools, picket, traffic police or road cleaners are light-emitting headband, armband, front and rear hanging Sandwich Man wearing at night are endless (see Fig. 4c).

한편, 본 발명은 두루마리가 가능하여 대형일 경우에도 보관 및 운반이 자유로우며 관리 또한 매우 간편하다. On the other hand, the method is also very easy to manage the storage and delivery are free, even if the roll has to be a large one.

이상, 본 발명의 바람직한 실시예를 첨부된 도면들을 참조로 설명하였다. It has been described above with reference to the accompanying drawings a preferred embodiment of the present invention. 여기서, 본 명세서 및 청구범위에 사용된 용어나 단어는 통상적이거나 사전적인 의미로 한정해서 해석되어서는 아니되며, 본 발명의 기술적 사상에 부합하는 의미와 개념으로 해석되어야만 한다. Here, the specification and be construed as limited to the term general and dictionary meanings used in the claims are not to be interpreted based on the meanings and concepts corresponding to technical aspects of the present invention. 따라서, 본 명세서에 기재된 실시예와 도면에 도시된 구성은 본 발명의 가장 바람직한 일 실시예에 불과할 뿐이고 본 발명의 기술적 사상을 모두 대변하는 것은 아니므로, 본 출원시점에 있어서 이들을 대체할 수 있는 다양한 균등물과 변형예들이 있을 수 있음을 이해하여야 한다. Accordingly, the configuration shown in the examples and figures disclosed herein are in not intended to limit the scope of the present merely nothing but the embodiment most preferred embodiment of the present invention invention, a variety that can be made thereto according to the present application point It should be understood that there are equivalents and modifications.

이상에서 상세히 살펴 본 바와 같이, 본 발명에 따른 휨 변형이 자유로운 연성 백라이트 유니트는, 연성 도광판에 피씨비의 평탄면이 겹쳐지게 두 구성부재의 평탄면이 평행하게 결합됨으로써 다수 엘이디의 설치가 효율적으로 이루어짐과 동시에 연성 백라이트 유니트의 특징인 자유로운 휨 변형을 구현하여 차량과 같이 곡면을 포함하는 어떤 구조물에도 설치가 용이하게 이루어짐으로써 야간시 시선 집중기능이 탁월한 역동적인 광고수단 및 디스플레이수단을 제공하는 뛰어난 효과가 있다. As seen in detail at above, the bent and deformed freely flexible back light unit according to the invention is characterized by being a flat surface of the PCB be two configurations are parallel coupled flat surface of the member overlaps the flexible light guide plate installation is effectively constituted by any of a number of LED by simultaneously implementing a free flexure characteristics of the flexible backlight unit to the installation is easily yirueojim any structure comprising a curved surface, such as a vehicle is outstanding effect of providing night when attention focus function is an excellent dynamic advertising means, and display means have.

또한, 독립적으로 설치 및 사용이 가능함으로써 광고용 현수막, 야간경기 응원용구, 피켓, 교통경찰 또는 도로 청소원들이 야간시 착용하는 발광띠, 완장, 샌드위치맨의 앞뒤 걸개 등 그 적용영역이 획기적으로 확장되는 탁월한 이점이 있다. In addition, independently of installation and use is possible by advertising banners, night games support tools, picket, traffic police or road cleaners are its application areas, such as light-emitting headband, armband, front and rear hanger sandwich man to wear at night excellent being dramatically extended there is an advantage.

Claims (2)

  1. 다수의 V홈(11), 요철 돗트 또는 프린팅 돗트가 형성되며 투광 가능한 연질합성수지재로 이루어지는 연성 도광판(10), 상기 연성 도광판에 빛을 입사시키기 위한 광원으로서의 다수의 엘이디(20)와 상기 엘이디 및 전자소자가 탑재되는 피씨비(30), 상기 연성 도광판의 후면에 부여되는 반사시트(50)를 포함하여 구성되는 백라이트 유니트에 있어서, A plurality of V-grooves 11, the uneven dots or printed dot is formed and the transparent possible soft synthetic resin material flexible light guide plate 10, a plurality of LEDs 20 as a light source for the incident light to the flexible guide plate made of the above LED and in the backlight unit is configured by including a PCB 30, a reflection sheet 50 is imparted to the back of the flexible light guide plate where the electronic component is mounted,
    엘이디(20)가 탑재되는 상기 피씨비(30)는 평탄면(31)의 일부가 상기 연성 도광판의 일측면(13) 선단부에 겹쳐지게 결합됨을 특징으로 하는 휨 변형이 자유로운 연성 백라이트 유니트. The PCB 30 has the flat surface 31 is bent and deformed freely flexible back light unit, it characterized in that the coupling part overlap to an aspect 13, the front end portion of the flexible light guide plate in which the LED 20 is mounted.
  2. 제 1항에 있어서, According to claim 1,
    상기 피씨비(30)는 휨이 자유로운 유연재질로 이루어짐을 특징으로 하는 휨 변형이 자유로운 연성 백라이트 유니트. The PCB 30 includes a flexible back light unit is deflected, characterized by bending the free made of an flexible material free.
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