CN101631989B - 柔性大功率led照明系统 - Google Patents

柔性大功率led照明系统 Download PDF

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CN101631989B
CN101631989B CN2006800392228A CN200680039222A CN101631989B CN 101631989 B CN101631989 B CN 101631989B CN 2006800392228 A CN2006800392228 A CN 2006800392228A CN 200680039222 A CN200680039222 A CN 200680039222A CN 101631989 B CN101631989 B CN 101631989B
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pcb
radiator
led
light engine
terminal
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CN101631989A (zh
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马修·姆拉科维奇
杰弗里·诺尔
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Karent Lighting Solutions Co ltd
Current Lighting Solutions LLC
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Gelcore LLC
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/002—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips making direct electrical contact, e.g. by piercing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/10—Lighting devices or systems using a string or strip of light sources with light sources attached to loose electric cables, e.g. Christmas tree lights
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/34—Supporting elements displaceable along a guiding element
    • F21V21/35—Supporting elements displaceable along a guiding element with direct electrical contact between the supporting element and electric conductors running along the guiding element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
    • F21V29/713—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements in direct thermal and mechanical contact of each other to form a single system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • F21V29/763—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V31/00—Gas-tight or water-tight arrangements
    • F21V31/04—Provision of filling media
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating 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
    • G09F9/33—Indicating 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/717—Structural association with built-in electrical component with built-in light source
    • H01R13/7175—Light emitting diodes (LEDs)
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/14—Rails or bus-bars constructed so that the counterparts can be connected thereto at any point along their length
    • H01R25/142—Their counterparts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/14—Rails or bus-bars constructed so that the counterparts can be connected thereto at any point along their length
    • H01R25/147—Low voltage devices, i.e. safe to touch live conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/65—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal
    • H01R12/67—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal insulation penetrating terminals
    • H01R12/675—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal insulation penetrating terminals with contacts having at least a slotted plate for penetration of cable insulation, e.g. insulation displacement contacts for round conductor flat cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
    • H01R4/2425—Flat plates, e.g. multi-layered flat plates
    • H01R4/2429—Flat plates, e.g. multi-layered flat plates mounted in an insulating base
    • H01R4/2433—Flat plates, e.g. multi-layered flat plates mounted in an insulating base one part of the base being movable to push the cable into the slot

Abstract

本发明公开了一种串式发光引擎，其包括柔性电源线、IDC端子、PCB、以及LED。柔性电源线包括电线和用于电线的绝缘材料。散热器连接至电源线。IDC端子插入穿过绝缘材料并且与电线电连通。PCB至少部分地容纳在散热器中。PCB包括具有电路的第一表面和与第一表面相对的第二表面。电路与IDC端子电连通。第二表面抵靠散热器的表面，以使热量从LED传输到散热器中。LED安装至PCB的第一表面并且与电路电连通。

Description

柔性大功率LED照明系统
技术领域
发光二极管(LED)以各种形式用作基本的照明结构，如户外标志和装饰照明。基于LED的发光串已经用于槽型字母(channelletter)系统、建筑上的边界管应用、橱柜下面的照明应用、以及用于普通的照明，常常替代传统的氖气灯或荧光灯。
背景技术
提供能够替代氖气灯或荧光灯的照明系统的已知尝试包括：将LED光源机械地固定到柔性电线上。其它的已知系统将LED安装在通过电跨接线相互连接的印刷电路板上。这些已知的大功率LED产品需要安装于传导表面，以散发由LED产生的热量，并且由于外力或较差的安装技术而导致易于发生机械和电故障。这些已知系统还具有有限的柔性，且具有有限的线性分辨率。另外，这些系统中的一些不便于用户更换独立的LED或LED组件。
因此，期望提供一种克服前面所提到的缺点的LED发光引擎(engine)。
发明内容
串式发光引擎(string light engine)包括柔性电源线、散热器、IDC端子、PCB、以及LED。柔性电源线包括电线和用于电线的绝缘材料。散热器连接于电源线。IDC端子插入穿过绝缘材料并且与电线电连通。PCB至少部分地容纳在散热器中。PCB包括具有电路的第一表面和与第一表面相对的第二表面。该电路与IDC端子电连通。第二表面紧靠散热器的表面以使热量从LED传输到散热器中。LED安装至PCB的第一表面并且与电路电连通。
制造串式发光引擎的方法包括如下步骤：将IDC端子插入到柔性电源线中；将IDC端子机械地连接至设置在PCB的第一表面上的电连接器；以及将PCB插入到散热器中。电连接器包括电插座和凸形端子(male terminal)中的至少一个，并且IDC端子在柔性电源线与安装在PCB的第一表面上的LED之间提供电连通。
串式发光引擎包括柔性电源线和连接于电源线的多个LED组件。柔性电源线包括第一电线和第二电线。每个组件均包括热传导PCB、LED、热传导第一壳体部、电绝缘第二壳体部、以及IDC端子。热传导PCB具有印刷在第一表面上的电路。LED安装至PCB的第一表面并且与电路电连通。热传导第一壳体部容纳PCB。电绝缘第二壳体部连接至第一壳体部。第二壳体部将PCB保持在第一壳体部的表面上。IDC端子操作性地连接至PCB并且插入到电源线的绝缘材料中以使LED通过IDC端子与第一电线电连通。
附图说明
图1是LED发光引擎的透视图。
图2是图1的LED发光引擎的LED组件的分解视图。
图3是图1的LED发光引擎的电线插口组件的分解视图。
图4是图1的LED发光引擎的LED组件与电线插口组件之间的连接的视图。
图5是图1发光引擎的连接于一个电线插口组件的一个LED组件的平面图。
图6是图1的LED发光引擎的连接于一个电线插口组件的一个LED组件的侧视图。
图7是图1的发光引擎的连接于一个电线插口组件的一个LED组件的端视图。
图8示出了设置在槽形字母壳体中的图1的发光引擎。
图9是柔性LED发光引擎的一个替换实施例的透视图。
图10是图9中所示的发光引擎的LED组件的透视图。
图11是图10的LED组件的一部分的分解视图。
图12是图10的LED组件的散热器的主视图。
图13是图10的LED组件的PCB定位器的第一透视图。
图14是图13中所示PCB定位器的与第一透视图相反的第二透视图。
图15是端子保持器以及从用于图10中所示的LED组件的端子保持器上拆除的端子的透视图。
图16是端子保持器以及附有的设置在图15的端子保持器内的端子的侧视图。
图17是图10的LED组件的盖的透视图。
图18是图17中所示的盖的端视图。
具体实施方式
参照图1，发光二极管(LED)发光引擎10包括柔性电缆12、连接于柔性电缆的电线插口组件14、以及选择性地连接于电线插口组件的LED组件16。发光引擎10可安装至各种不同的结构并可用在各种不同的环境中，一些实例包括槽形字母和箱体标志灯饰(图8)，穹形发光引擎、以及壁橱下面的重点发光引擎等，这里只列出少数几个实例。
参照图2，柔性电缆12包括由绝缘包皮26包围的多条导线18、22和24。图中示出了三条导线；然而，电缆可包括几条至多条导线，其中一些导线可以传输电力而一些导线可以传送电信号等。优选地，导线是14美国线规(AWG)或16AWG的；然而，可使用其他粗度的导线。在电流流经电缆时，所述导线可被称为正导线18、负导线24以及串联导线22。导线18、22和24电连接至电源(未示出)以将电压提供给LED组件16以用于照明，该电源可包括低电压输出电源。导体18、22和24平行于电缆12的纵向轴线延伸并在一个平面中彼此对齐。在电缆12被放置在与该平面相交的边缘(例如，图2中电缆的较薄的边缘)上时，这种定位使得电缆12易于弯曲。电缆12还包括形成在绝缘包皮26中的V形槽28和32。槽28和32平行于导线18、22和24沿电缆12纵向地延伸。槽28和32处于相邻的导线18、22和24之间。
在替换实施例中，可通过其他供电系统将电力传输至LED组件16。例如，电线插口组件14(在该实例中可将其称为支座或支座组件)可连接于柔性电路(例如，柔性材料上的铜迹线)或连接于引线框架(例如，由模制金属电总线形成的绝缘引线框架)。柔性电路与引线框架可通过电线、电跨接线等相互连接。
如图3中所示，电线插口组件14包括盖34、基座36、以及绝缘移位连接(IDC)端子38和42。电线插口组件14使得LED组件16选择性地连接于电缆12。因此，电线插口组件14可称作支座、一部分支座或支座组件。在图中所示的实施例中，电线插口组件14插入到LED组件16中，这允许方便地更换LED组件。在替换实施例中，LED组件16可插入到电线插口组件14中，或者LED组件16可以以其他传统方式选择性地连接至电线插口组件14。利用这些类型的连接，可在无需露出电缆12的导线18、22和24的情况下进行发光引擎10上的一个LED组件16的更换。
盖34包括绕电缆12而装配的基本为反C形的部分52。盖34的上部54具有当将盖连接至基座36时使用的一对开口56和58。盖的下部62包括狭槽64。下部62平行于上部54，并且与上部54相隔等于电缆12高度的距离，该高度是在导线18、22和24的平面中测得的。盖34还包括形成在上部54与下部62之间的反C形部52的内表面上的纵向脊66和68。脊66和68容纳在电缆12的槽28和32中。基架72从C形部52向下悬垂。基架72包括沿基架纵向隔开的多个细长槽74。基架72还包括位于狭槽74下方的平台76。平台76可安置在发光引擎10将被安装的表面上或者抵靠在该表面上。
通过将基座36装配到上部54与下部62之间的反C形部52中而使基座36连接于盖34，其中电缆12夹在基座与盖之间。基座36包括位于上表面84上的两个翼片80和82，这两个翼片容纳在盖34的上部54中的开口56和58中。基座36还包括位于下表面88上的舌片86，该舌片滑动进入到盖34的下部62中的狭槽64中。狭槽92和94容纳IDC端子38和42。狭槽96容纳导线分隔器44。当盖34容纳基座36时，上部54覆盖基座的上表面84以覆盖狭槽92和94以及IDC端子38和42的大部分。基座36进一步包括沿基座的邻近LED组件16的表面形成的下部纵向槽口98以及形成在基座的相对横向侧部上的下部横向槽口100和102。槽口98、100和102有助于电线插口组件14与LED组件16之间的插入连接摩擦配合。除了所述的电线插口组件14与电缆12之间的机械连接之外，电线插口组件14可与电缆12一起形成或者以其他方式固定于电缆。
IDC端子38和42刺穿包围导线18、22和24的绝缘材料26以提供电连接。IDC端子38和42均包括叉形插脚104和106，该插脚具有隔开的尖齿且足够锋利以刺穿绝缘包皮26，从而插脚不会切割导线18、22和24，而是将导线容纳在尖齿之间。IDC端子38和42还包括凸形端子销108和112，当端子被容纳在基座36的上表面84上的狭槽92和94中时该凸形端子销从基座朝向LED组件16延伸。IDC端子38和42基本上是S形的并且第一插脚104沿电缆12的纵向轴线与第二插脚106分隔。导线分隔器44在插脚104与106之间隔开，以使得如果LED组件16以并联/串联结构连接，则串联导线22就在插脚之间被切割。已经描述了具体的端子38和42；然而，也可使用其他端子取代IDC端子在导线与LED组件之间提供电连接。此外，替换端子可通过焊接、电线跨接、端子上的卷边、或其他电-机械连接而连接至电线和/或供电系统。
参照图4，电线插口组件14插入到LED组件16中。LED组件16包括安装插座(mounting receptacle)120，电线插口组件14装配到该安装插座中。更具体地，基座36和盖34的上部54被插座120容纳。如上所述的，在替换实施例中，LED组件16可插入到电线插口组件14中，或者电线插口组件和LED组件可以以其他传统方式选择性地相互连接。
返回来参照图2，LED组件16包括固定于基座124的盖122。盖122包括位于盖的相对侧上的两个侧翼片126和128以及位于盖的后部上的两个后翼片132和134。盖122还包括两个位于盖的相对侧上的两个弹性卡子136和138。弹性卡子136和138包括多个凸边142(图2中仅可见到一个)。在相应侧翼片126和128以及相应卡子136和138的前方(即，朝向电线插口组件14)，一对侧壁144和146从盖122的相对侧悬垂。每个侧壁144和146均包括朝向彼此延伸的下延伸部148和152。下延伸部148和152与盖122的上表面150分隔开以限定LED组件16的安装插座120。盖122还包括开口154，LED156通过该开口伸出。
LED组件16的盖122连接于LED组件的基座124以覆盖通向LED 156的电连接。基座124包括彼此相对的侧壁160和162。每个侧壁160和162均包括容纳盖122上的相应侧翼片126和128的相应槽口164和166。后壁168连接侧壁160和162并且还包括容纳盖122的后翼片132和134的槽口172和174。侧壁160和162在每个侧壁的前方形成向外的直角弯曲以容纳弹性卡子136和138。卡子136和138装配到侧壁160和162的内部并且每个凸边142均贴附在每个侧壁的底部上以将盖122连接至基座124。
侧连接翼片176和178从侧壁160和162延伸。侧连接翼片176和178包括位于安装表面186和188中的开口182和184(图3)，该开口可容纳紧固件(未示出)以将LED组件16连接至相关表面，诸如形成在槽型字母和箱体标志灯饰、穹形发光引擎、和橱柜中的表面。如图6和7中所见，安装表面186和188与平台76隔开并且在平台76的下方。参照图1，LED组件16沿比照电缆12的方向安装以提高电缆的最大柔性，也就是说，LED 156面向平行于与电缆12的导线18、22和24相交的平面的方向。
从后壁168延伸的多个翅片(fin)190可提供用于LED 156的散热器。翅片被示为散热器，然而，散热器还可包括销或其他结构以增加散热器的表面积。翅片190从后壁168向后并向下延伸。翅片向下延伸几乎到达每个侧连接翼片176和178的安装表面186和188，如图6和7中所见，以使散热器的表面积最大化。如图7中所见，翅片190还朝向前方(即，朝向电缆12)、远离基座124的上部而延伸，以再次使表面积最大化。具体地参照图6，翅片190与电线插口组件14的基架72中的狭槽74对齐，因此空气可流动通过狭槽74以及流过翅片190之间，从而冷却LED 156。
LED 156安装至支撑件192，支撑件192容纳在LED组件16的基座124中。优选地，支撑件192包括热传导材料，例如，热带、热衬垫、热油脂、或者精整光面，以使由LED 156产生的热量朝向翅片190传输，热量可在该翅片处消散。支撑件192通过紧固件194和196固定在基座124中；然而，该支撑件可采用其他传统方式固定至基座124。
电插座198安装在支撑件192上并容纳来自电线插口组件14的端子38和42的凸形端子销108和112。电插座198通过电路(未示出)电连接至LED 156的引线202和204。该电路可印刷在支撑件192上，或者可提供电线以将插座连接至引线202和204。该电路可包括电压管理电路。
在替换地实施例中，与电插座198类似的电插座可安装至电线插口组件14。电线插口组件上的这个电插座可容纳电连接至LED156的凸形插入件。可替换地，可以以其他传统方式实现导线18、22和24与LED 156之间的电连接，其中其他传统方式包括焊接、电线跨接、端子上的卷边、或者其他电-机械连接。
如图4中所见，LED组件16容纳电线插口组件14以将LED组件安装至电缆12。这种连接使得在从电缆12上拆除LED组件16时不会露出由IDC端子38和42形成的孔。参照图2，基座36和盖34的上部54容纳在下延伸部148和152与盖122的上表面之间，以使延伸部148和152装配到电线插口组件的基座36的下横向槽口100和102中。基座36的下纵向槽口98靠在LED 156的支撑件192上。凸形端子销108和112被电插座198容纳以在LED 156与导线18、22和24之间提供电连接。因此，在LED组件16与电线插口或安装组件14之间存在摩擦配合，从而可选择性地从电缆12上拆除LED组件并且由IDC端子形成的孔不会露出。LED组件16与安装组件14之间的插入式连接有助于容易的安装和LED的更换。并且，提供在LED组件16上的散热器允许发光引擎10散发热量，而不需要将发光引擎安装至热传导表面上。
参照图9，发光二极管(LED)发光引擎210的替换实施例包括可与柔性电缆12(图1)相似的柔性电源线212、以及连接于柔性电源线的多个LED组件214。发光引擎10可安装至各种不同的结构并且可用在各种不同的环境中，一些实例包括槽型字母和箱体标志灯饰(诸如图8中所示的)、穹形发光引擎和壁橱下方的加强发光引擎。
柔性电源线212包括多条电线，这些电线在所示的实施例中是正极(+)线216、负极(-)线218、以及串联电线222。该电源线还包括包围电线216、218、和222的绝缘包皮224。电线216、218和222大体上位于一个平面中，该平面会作为弯曲平面被提及。当发光引擎210被安装至平面结构时，所述实施例中的弯曲平面大体上垂直于该结构。当电源线212被放置在与弯曲平面相交的边缘上时，这种定位使该电源线能容易地弯曲。电源导线212还可包括形成在绝缘包皮224中并在相邻导线之间的V形槽。可通过其他电力输送系统将电力传输至LED组件，其他电力输送系统诸如柔性电路和/或引线框架，这些已经在上面描述过了。
参照图10，每个LED组件214大体上包括散热器230、LED232、印刷电路板234(图11)、印刷电路板定位器236、IDC端子保持器238、以及电源线盖240。参照图11，与支撑件192(图2)类似，所示实施例的印刷电路板234大体上包括金属芯242，该金属芯242具有设置在金属芯上方的绝缘层244。因此，所示实施例中的PCB 234是金属芯印刷电路板(MCPCB)；然而，可使用其他的PCB和/或支撑件。电路(未示出)在MCPCB 234的绝缘表面244上形成。LED 232安装在绝缘表面244上。触点246从LED 232延伸并且在印刷电路与LED之间提供电连接。正极凸形接触端子248和负极凸形接触端子252均从PCB 234的纵向边缘延伸。接触端子248和252与印刷在PCB 234上的电路电连通。接触端子248和252被焊接至印刷电路板234并且在末端处弯曲。在所示的实施例中，电阻器254被设置在绝缘表面244上并且通过印刷在PCB 234上的电路与LED 232电连通。针对连接至导线212的不同LED组件214，PCB上的电路可能是不同的。例如，如果LED组件以串联/并联结构相互连接，则PCB上的电路可因此改变。当组装组件214时，将热膜256设置在PCB 234的下表面258上，以促进PCB与散热器230之间的热传导。
散热器230被构造成用于接收并容纳PCB 234的至少一部分。所示实施例中的散热器230由热传导材料(例如锌合金)制成。在所示的实施例中，散热器230被形成(例如铸造)为整体单元，该单元包括限定了基本平坦的上表面272和基本平坦的下表面274的上部270。该上部270限定出基本为U形的槽口276，该槽口容纳PCB定位器236和IDC端子保持器238(图10)。紧固件开口278延伸穿过散热器230的上部270。紧固件开口278容纳紧固件(例如，铆钉)以使LED组件214(图9)能够连接至相关结构。
截平的碗形部282从上部270的上表面272向上延伸。该截平的碗形部282限定出截平的或部分截头圆锥形的反射表面284，如图10中所示，当PCB 234被散热器230容纳时，该表面朝向LED 232向下逐渐缩减。该部分碗形部282和反射表面284具有关于其转动轴线去除的区段以便容纳LED 232。该部分碗形部282和反射表面284可采用其他构造，例如反射表面可以是抛物线形的并且该表面不需要像在图中所示的那样被一分为二。当印刷电路板被散热器容纳时，散热器230的上部270中的截平的碗形部282延伸越过印刷电路板234的上表面244的至少一部分。在所示的实施例中，该截平的碗形部282限定出开口，例如，半圆形槽口286，当印刷电路板234被散热器230容纳时，该槽口容纳LED 232。
一体的散热器230还包括与上部270隔开的中心部292。上部270和中心部292通过基本为U形的侧壁294而相互连接。该中心部292限定出基本平坦的上表面296和基本平坦的下表面298。中心部292在上部270下方延伸出去并进入到限定在上部270中的槽口276的下方。上部270、中心部292、以及侧壁294限定出一个空腔302，PCB 234就被容纳在这个空腔中。热膜256设置在印刷电路板234的下表面258与中心部292的上表面296之间。因此，热量通过热膜256从印刷电路板234传输到中心部292中，在中心部处热量可散布到散热器230的侧壁294和上部270中。
基本上U形的下部件310从中心件292向下延伸。下部件限定基本平坦的上表面312和基本平坦的下表面314。下部空腔316被限定在下部件310与中心件292之间。在下部310的相对侧上，L形凸缘318从中心件292的下表面298向下延伸。突出部322也从中心件292的下表面298向下悬垂。该突出部322设置在空腔316的内部。支柱324从侧壁294的前部边缘向下延伸。如图12中所见，每个支柱324均终止在与下部件310的下表面314共面的平面中。因此，支柱324和下部元件310的下表面314提供三点接触，以便保持散热器230相对于发光引擎210(图9)将被安装于其上的相关结构的平面的平面度。支柱324邻近紧固件开口278定位以向散热器230提供稳定性，从而防止在将紧固件铆接或旋拧到相关结构内的过程中的任何变形。支柱324还将电源线212与延伸穿过开口278的任何紧固件分隔开。
如图10中所示，PCB定位器236连接至散热器230。参照图13，所包含的PCB定位器236是一体形成的元件，与散热器230类似，该元件可形成(例如铸造或模塑)为整体。在所示的实施例中，PCB定位器236是由硬质塑料材料铸成的。PCB定位器236包括底壁(base wall)330，该底壁具有第一表面332和与第一表面相对的第二表面334。上槽口328在底壁330的相对端处形成，将在下面更加详细地描述该上槽口的作用。多个元件从这些表面延伸以连接至散热器230或盖238。PCB定位器236包括上悬臂部336，当PCB定位器236连接至散热器时，该上悬臂部从底壁330的第二表面334朝向散热器230延伸。一个截平的或部分的碗形部338从该悬臂部336向上延伸并限定出部分截头圆锥形的反射表面340。截平的碗形部338限定了容纳LED 232的半圆形槽口342。当PCB定位器236被固定于散热器230时，PCB定位器236的截平的碗形部338与散热器230的截平的碗形部282对准以提供用于LED 232的反射表面，在这里结合起来的反射表面284和340围绕LED 232形成了完整一周。
下中心插脚344从底壁330的第二表面334延伸。每个下中心插脚334均包括开口346和倾斜的末端348。当PCB定位器236连接至散热器230时，下中心插脚344被容纳在下空腔316的内部(图12)并且槽口342容纳突出部322。倾斜的末端348使每个插脚更容易地移动越过相应突出部322。因此，下中心插脚344是有些回弹力的，以滑动越过散热器230的槽口342(图12)。
外部插脚350也沿着与下中心插脚344大体相同的方向从PCB定位器236的底壁330的第二表面334延伸。该外部插脚350包括L形槽352。该L形槽352容纳从散热器230的中心部292悬垂的L形插脚318(图12)。外部插脚350被接收在散热器230的下部310(图11和12)的相对侧部上。凸轮臂354也沿着与悬臂部336大体相同的方向从底壁330的第二表面334延伸。凸轮臂354设置在下插脚344和350的上方。凸轮臂包括倾斜端356。当PCB定位器236被容纳在散热器的上部空腔302内部时，凸轮臂354接触散热器230的上部270的下表面274(图11和12)。凸轮臂354是有回弹力的并且在PCB 234上提供向下的力，以使PCB被压在中心件292的上表面296上，从而在PCB 234与上表面296之间提供更多的接触以促进二者之间更多的热传导。
狭槽360延伸穿过底壁330并容纳凸形端子248和252(图11)，当PCB 234和PCB定位器236容纳于散热器230的空腔302内部时，该凸形端子从印刷电路板234延伸。中心L形指状部362沿大体上正常的方向从中心壁330的第一表面332向后延伸。该中心指状部设置在形成在底壁330中的狭槽360的下方。外臂364也从中心壁330的第二表面332延伸。每个外臂364均包括倾斜的末端366和开口368。
参照图15，端子保持器238通常包括一体形成的塑料本体380(例如通过铸造和模塑而形成为整体)，该塑料本体具有平坦的上表面382。如图16中更清楚地看到的，本体380包括延伸远离本体其余部分的悬臂部384。返回来参照图15，开口386穿过悬臂部384而形成。端子保持器的本体380还包括多个狭槽，这些狭槽允许端子保持器借助PCB定位器236(图10)连接至散热器230(图10)并且还连接至盖238(图10)。多个翼片388(图中仅有一个可见)从本体380的相对平坦横向表面延伸。狭槽392形成在本体380中并且从翼片388朝向前部表面延伸并且在该前部表面处终止，该前部表面与悬臂部相对。翼片388朝向槽口392向下倾斜。参照图13，从PCB定位器236的底壁330的第一表面332延伸的外臂364与翼片338协作以将PCB定位器236连接至端子保持器238。外壁的倾斜端366压制倾斜翼片388，直到翼片388容纳于臂364的开口368内部为止。在所示的实施例中，该臂包括容纳在槽口392内部的连接板(web)。返回来参照图15，端子保持器238的本体380还包括在中心设置的多个L形槽道394。这些L形槽道394容纳从PCB定位器236的底壁330的第一表面332延伸的臂362(图13)。端子保持器238的本体380还包括下部中心L形槽口396，以有助于端子保持器238与盖240之间的连接。
端子保持器238容纳绝缘移位导线(IDC)端子，该端子在所示实施例中是第一或高处端子400和第二或下部端子402。该IDC端子400和402由导电材料(例如，金属)制成。第一端子400容纳于狭槽404中，该狭槽从本体380的底表面朝向上表面382向上延伸。狭槽404在底部表面开启并且被设置在中心L形槽道394与本体的侧横向壁之间。槽道404基本上是U形的。第一IDC端子400包括具有多个尖的端部的第一叉状部406，这些尖的端部插入穿过电源线212的绝缘材料224(图9)以提供电源线212的电线216、218或222中之一与LED 232的电连接。第一IDC端子400还包括与第一叉状部406相对的第二倒圆叉状部408，该叉状部被构造成用于在端子保持器238借助PCB定位器236连接于散热器230时容纳从印刷电路板234延伸的凸形正端子248(图11)。凸形正端子248的弯曲部在第一IDC端子400的第二叉状区域中被略微压缩，以便于在凸形端子248(进而在印刷电路板234)与IDC端子400之间提供更可靠的电连接。第一IDC端子400还包括U形槽道412，该槽道介于第一叉状尖部406与第二叉状部408之间。突出部414向内延伸到U形槽道412中。这些突出部414提供弹性配合，以使第一IDC端子400被贴合地保持在形成于端子保持器238的本体380中的U形槽道404内部。
第二U形槽口412也形成在端子保持器238的本体380中以容纳第二IDC端子402。由于第一尖的叉状部416被设置在第一IDC端子400的第一叉状端406下方，因此第二IDC端子被称作下部端子。第一叉状端406被插入到电源线212的绝缘材料224(图9)中以连接至电线216、218或222中之一。下部IDC端子402的第二叉状端418容纳负凸形导线252，该负凸形导线以与参照第一IDC端子400所述类似的方式从印刷电路板234延伸。第二IDC端子402还包括U形槽道422和隆起部或突起部424，它们与第一IDC端子400的U形槽道412和隆起部414类似。如图16中所见，各个IDC端子400和402的尖端406和416垂直地彼此隔开，以使它们接触电源线212的分离线(图9)。IDC端子的尖的叉状端的定位取决于LED组件214沿电源线212的定位以及LED组件是否以并联、串联、或串联/并联的结构被连接。因此，尖端406和416(即，延伸进入电源线212的端部)的位置可改变。此外，如果需要的话，隔离件(未示出)可从端子保持器238的本体380延伸以中断串联电线212，从而使得LED组件214可采用串联/并联的结构而布线。
参照图17，盖240包括具有L形结构的一体的塑料本体(例如，铸造或模塑成为整体)，该L形结构包括下部430和与下部基本成直角的上部432。一对L形凸缘434从下部430的上表面436向上延伸。该上表面436大体上是平坦的。L形凸缘434容纳于形成在端子保持器238(图15)的本体380中的中心L形槽口396内。斜坡形的凸起物(protuberance)438从上部432的上端表面440延伸。该斜坡形的凸起物438容纳于端子保持器238的悬臂部384中的开口386内。该斜坡形的凸起物438向下倾斜以便于凸起物在开口386中的移动。块状的凸起物442也从上表面440延伸。该块状凸起物442容纳于端子保持器238的悬臂部384中的狭槽(不可见)内。如图18中更清楚地看到的，盖240限定了通常处于下部430与上部432相交处的电源线安装座444。安装座444被形成和构造成使得当电源线212被安装就位时，电源导线212的电线216、218和222处在基本垂直的平面中，该平面限定出电源线212的弯曲平面。
为了组装发光引擎210，如图11中所见，将印刷电路板234插入到散热器230的空腔302中并且将热膜256放置在PCB 234与散热器的中心部292的上表面296之间。PCB定位器236(图13和14)随后连接至散热器230，以使凸轮臂354朝下压在PCB 234的上表面244上，以在PCB 234与散热器230之间提供更多的热接触。不需要额外的紧固件(例如，螺钉)来固定PCB 234。随后使用现有技术中已知的灌封材料将PCB灌封在散热器230的空腔302内部。通过形成在底壁330中的槽口328和PCB定位器的底壁中的开口360将灌封材料引入到空腔中。灌封材料是热传导的以提供热路径，该热路径进一步提高散热器230的热性能并且还为安装在PCB234上的零件提供环境保护。因此，热量经由上表面244被传输通过灌封材料并进入到散热器的上部中并且经由PCB 234的下表面258通过热带256被传输。具有IDC端子(例如设置在其中的第一端子400和第二端子402)的端子保持器238连接于PCB定位器236。盖240(图17)随后将电源线212(图9)夹在盖240的上部432与端子保持器238的本体380之间，因此迫使端子400和402的叉状部406和416穿过电源线212的绝缘材料224，从而在电源线的电线与LED 232之间提供电连接。如从图10中所示的实施例中可见，将双面粘结带450贴附到盖240的下表面上。释放层452覆盖带450的粘结层。此外，组件标签454贴在盖240上。组件标签454可包括用以识别印刷在PCB 234上的电路的标记。
LED组件214的组装不需要紧固件。并且，容纳PCB 234的LED组件214的零件是标准组件。因此，当期望提供更多散热时，则可更换散热器230。
为了安装串式发光引擎210，去除粘结层452并将其粘在期望的表面上。随后使用紧固件连接LED组件214，所使用的紧固件通过形成在散热器230中的开口278(图11)而被容纳。支撑腿324与散热器230的下表面314对齐以在散热器与安装表面之间提供三点接触。如果安装表面是热传导的，则热量可传输到安装表面中。然而，散热器被设计成散发由LED产生的热能而无需将热量传输至安装表面。
LED组件214具有低轮廓以便于发光引擎210的卷绕。可通过将该柔性发光引擎缠绕在卷轴周围而封装并运输该发光引擎210。LED组件214的高度(即，散热器的下表面314(或带450的下表面)与散热器230的截平的碗形部338的最上部之间的距离)仅略微大于电源线212的高度(在弯曲平面中)。在所示的实施例中，LED组件的高度不到电源线212的高度的1.2倍。并且，部分碗形部338在LED透镜上方延伸以在搬运、卷绕和解开的过程中保护透镜。
已经参照特定实施例描述了LED发光引擎。显然地，在阅读并理解了前面的详细描述后，其他人将可进行修改和替换。其目的是，本发明可被解释为包括所有这些修改和替换，只要它们落在所附权利要求或其等同物的范围中。

Claims (19)

1.一种串式发光引擎，包括：
柔性电源线，包括电线和用于所述电线的绝缘材料；
散热器，连接于所述电源线；
IDC端子，插入穿过所述绝缘材料并与所述电线电连通；
PCB，至少部分地容纳在所述散热器中，所述PCB包括具有电路的第一表面和与所述第一表面相对的第二表面，所述电路与所述IDC端子电连通，所述第二表面抵靠所述散热器的表面以使热量从LED传输到所述散热器中；
LED，安装至所述PCB的所述第一表面并且与所述电路电连通，以及
凸形端子，所述凸形端子从所述PCB的第一表面延伸并且与所述PCB的电路电连通，并且所述IDC端子包括容纳所述凸形端子的部分，以将所述IDC端子机械地紧固于所述PCB并且在所述PCB的电路与所述电线之间提供电连通。
2.根据权利要求1所述的发光引擎，进一步包括热传导灌封材料，所述灌封材料布置在所述PCB的至少一部分的上方以便将所述PCB灌封到所述散热器的内部。
3.根据权利要求1所述的发光引擎，进一步包括介于所述PCB的第二表面与所述散热器之间的热膜。
4.根据权利要求1所述的发光引擎，进一步包括连接于所述散热器的非导电PCB定位器，所述PCB定位器包括弹性臂，所述 弹性臂将所述PCB的第二表面压在所述散热器的基本平坦的表面上。
5.根据权利要求1所述的发光引擎，其中，所述散热器包括基本平坦的下表面，以及第一支柱和第二支柱，所述第一和第二支柱均从所述散热器延伸并终止于基本由所述下表面限定的平面中，以使所述支柱和所述下表面限定出三个接触位置，以便于所述散热器安装在相关的热传导平面件上。
6.根据权利要求1所述的发光引擎，进一步包括反射表面，所述反射表面从所述散热器向上延伸并且至少部分地包围所述LED。
7.根据权利要求1所述的发光引擎，其中，所述散热器包括开口，所述LED的一部分延伸穿过所述开口。
8.根据权利要求7所述的发光引擎，其中，所述开口包括半圆形槽口。
9.一种制造串式发光引擎的方法，所述方法包括：
将IDC端子插入到柔性电源线中；
将所述IDC端子机械地连接至设置在PCB的第一表面上的电连接器，其中，所述电连接器包括电插座和凸形端子中的至少一个，并且所述IDC端子在所述柔性电源线与安装在所述PCB的第一表面上的LED之间提供电连通；
将所述PCB插入到散热器中以提供用于将热量从所述LED散发到所述散热器中的热路径。 
10.根据权利要求9所述的方法，其中，将所述PCB插入到所述散热器中的步骤包括插入所述PCB以使所述散热器的一部分在所述PCB的所述第一表面上方延伸。
11.根据权利要求10所述的方法，进一步包括在所述PCB的第一表面与所述散热器之间插入材料以提供热路径。
12.根据权利要求11所述的方法，其中，所述插入材料的步骤包括在所述PCB的第一表面与所述散热器之间放置灌封材料。
13.一种串式发光引擎，包括：
柔性电源线，所述柔性电源线包括第一电线、第二电线和用于电线的绝缘材料；以及
连接于所述电源线的多个LED组件，每个组件包括：热传导PCB，具有印刷在所述PCB的第一表面上的电路；
LED，安装于所述PCB的第一表面并且与所述电路电连通；
热传导第一壳体部，用于容纳所述PCB；
连接于所述第一壳体部的电绝缘第二壳体部，所述第二壳体部将所述PCB保持在所述第一壳体部的表面上；和
IDC端子，操作性地连接至所述PCB并且插入到所述电源线的绝缘材料中，以使所述LED通过所述IDC端子与所述第一电线电连通。
14.根据权利要求13所述的发光引擎，进一步包括连接于散热器的IDC端子保持器，所述IDC端子保持器包括电绝缘材料。 
15.根据权利要求13所述的发光引擎，进一步包括连接于散热器的电绝缘元件，所述电绝缘元件将所述IDC端子夹入所述电源线。
16.根据权利要求13所述的发光引擎，其中，所述电源线的所述第一电线和所述第二电线基本处在一个平面中，并且所述电源线在所述电线的平面中测得距离d，而散热器测得限定在与所述电线的平面平行的平面中的高度h，其中1＜h/d＜1.2。
17.根据权利要求13所述的发光引擎，其中，所述第一壳体部包括上面放置有所述PCB的基本平坦的表面，以及朝向所述柔性电源线与所述基本平坦的表面隔开的安装开口，以使当紧固件容纳于所述安装开口中时，所述紧固件不会延伸穿过所述平坦表面。
18.根据权利要求17所述的发光引擎，进一步包括邻近所述开口从散热器延伸的支柱，所述支柱被定位成用于防止所述柔性电源线接触容纳于所述安装开口中的紧固件。
19.根据权利要求13所述的发光引擎，进一步包括从所述PCB的第一表面延伸的凸形端子，其中所述IDC端子机械地连接至所述凸形端子。 
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EP1949498A4 (en) 2013-04-03
EP1949498B1 (en) 2015-03-04
WO2007047398A2 (en) 2007-04-26
US8348469B2 (en) 2013-01-08
WO2007047398A3 (en) 2009-05-07
US20060035511A1 (en) 2006-02-16
US20070190845A1 (en) 2007-08-16
EP1949498A2 (en) 2008-07-30
CN101631989A (zh) 2010-01-20

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