CN202307888U - 一种大功率白光led封装结构 - Google Patents

一种大功率白光led封装结构 Download PDF

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Publication number
CN202307888U
CN202307888U CN2011204101361U CN201120410136U CN202307888U CN 202307888 U CN202307888 U CN 202307888U CN 2011204101361 U CN2011204101361 U CN 2011204101361U CN 201120410136 U CN201120410136 U CN 201120410136U CN 202307888 U CN202307888 U CN 202307888U
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Prior art keywords
led
fixed
cup
light
pedestal
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苏光耀
谭光明
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ZHEJIANG MINGXIN SEMICONDUCTOR TECHNOLOGY Co Ltd
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ZHEJIANG MINGXIN SEMICONDUCTOR TECHNOLOGY Co Ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/42Wire connectors; Manufacturing methods related thereto
    • H01L2224/47Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/48Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • H01L2224/4805Shape
    • H01L2224/4809Loop shape
    • H01L2224/48091Arched
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/42Wire connectors; Manufacturing methods related thereto
    • H01L2224/47Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/48Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • H01L2224/481Disposition
    • H01L2224/48135Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
    • H01L2224/48137Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being arranged next to each other, e.g. on a common substrate

Abstract

一种大功率白光LED的封装结构,它包括有一LED基座,在该LED基座上固定有PCB构件以及聚光杯,在所述的PCB构件和聚光杯内固定有LED芯片,所述LED芯片的电极上通过金丝导线与PCB构件相连,并在所述LED芯片上制有光学硅胶;一通过固定螺栓固定在所述LED基座上的LED光学杯,其位于LED芯片一侧上固定有荧光粉胶脂;所述的LED光学杯上通过均布的四个螺栓固定在所述的LED基座上,并使所述的荧光粉胶脂位于所述LED芯片的上面;在所述的LED基座的四个角边上开设有LED应用固定螺孔;具有更长的工作寿命,荧光粉衰减后可随时更换,大功率封装好后色温可随时改变,且生产简单容易控制,光效要比相同等级封装光效要高等特点。

Description

一种大功率白光LED封装结构
技术领域
本实用新型涉及的是一种大功率白光LED的封装结构,尤其是一种采用与荧光粉胶脂分离的封装结构,属于大功率白光LED技术领域。
背景技术
随着地球资源日益耗竭,各国对于节能环保日趋重视;新型发光材料LED-早成为众人耳目焦点,目前LED正在逐渐显现出良好的发展前景。特别是大功率LED,各国都有投入大量的人力和物力进行研究实验,其大功率LED封装工艺技术和材料也在迅猛发展,应用的领域也在不断的拓宽,已开始应用于一些景观照明、矿灯、路灯、应急灯等领域。
目前大功率白光LED的光电转换效率大概在15%左右,如不快速提升LED光效和降低LED的生产成本则会对大功率LED的发展产生很大的障碍;所以,大功率LED光效的提升及有效的降低生产成本也是目前行业内急于解决问题。
据了解总结:目前国内大功率白光LED封装生产方式有两种;第一种是单芯封装方式,主要是针对1W或3W白光,此产品只能用于手电筒或一些舞台背光源用。而另一种则是采用集成封装方式,将芯片能过串并方式固定在一个热沉反光杯内,再在反光杯填充荧光粉胶脂;此两种封装方式其主要问题是:1、因生产过程中色温档次太多。2、色温偏移的产品只能当库存不良品。3、因荧光粉的衰减而要造成整个大功率LED无法再利用。
实用新型内容
本实用新型的目在于克服上述两种大功率白光LED封装的不足,而提供一种结构简单,使用安装方便,采用与荧光粉胶脂分离的大功率白光LED的封装结构。
本实用新型的目的是通过如下技术方案来完成的,它包括有一LED基座,在该LED基座上固定有PCB构件以及聚光杯,在所述的PCB构件和聚光杯内固定有LED芯片,所述LED芯片的电极上通过金丝导线与PCB构件相连,并在所述LED芯片上制有光学硅胶;一通过固定螺栓固定在所述LED基座上的LED光学杯,其位于LED芯片一侧上固定有荧光粉胶脂。
所述的LED光学杯上通过均布的四个螺栓固定在所述的LED基座上,并使所述的荧光粉胶脂位于所述LED芯片的上面;在所述的LED基座的四个角边上开设有LED应用固定螺孔。
本实用新型具有更长的工作寿命,荧光粉衰减后可随时更换,大功率封装好后色温可随时改变,且生产简单容易控制,光效要比相同等级封装光效要高等特点。
附图说明
图1是本实用新型的正面结构示意图。
图2是本实用新型的侧面分解组装结构示意图。
具体实施方式
下面将结合附图对本实用新型作详细的介绍:图1、2所示,本实用新型包括有一LED基座1,在该LED基座1上固定有PCB构件2以及聚光杯8,在所述的PCB构件2和聚光杯8内固定有LED芯片6,所述LED芯片6的电极上通过金丝导线5与PCB构件2相连,并在所述LED芯片6上制有光学硅胶7;一通过固定螺栓9固定在所述LED基座1上的LED光学杯3,其位于LED芯片6一侧上固定有荧光粉胶脂4。
图中所示的LED光学杯3上通过均布的四个固定螺栓9固定在所述的LED基座1上,并使所述的荧光粉胶脂4位于所述LED芯片6的上面;在所述的LED基座1的四个角边上开设有LED应用固定螺孔10。
实施例
如图1、2所示,LED基座1、PCB构件2和聚光杯8组装结合后,将LED芯片固定在LED基座1聚光杯8内,通过金丝导线5将LED芯片6的电极与PCB构件2进行连接;

Claims (2)

1.一种大功率白光LED的封装结构,它包括有一LED基座,在该LED基座上固定有PCB构件以及聚光杯,在所述的PCB构件和聚光杯内固定有LED芯片,其特征在于所述LED芯片的电极上通过金丝导线与PCB构件相连,并在所述LED芯片上制有光学硅胶;一通过固定螺栓固定在所述LED基座上的LED光学杯,其位于LED芯片一侧上固定有荧光粉胶脂。
2.根据权利要求1所述的大功率白光LED的封装结构,其特征在于所述的LED光学杯上通过均布的四个螺栓固定在所述的LED基座上,并使所述的荧光粉胶脂位于所述LED芯片的上面;在所述的LED基座的四个角边上开设有LED应用固定螺孔。
CN2011204101361U 2011-10-25 2011-10-25 一种大功率白光led封装结构 Expired - Fee Related CN202307888U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103117278A (zh) * 2013-02-22 2013-05-22 浙江名创光电科技有限公司 一种集成封装的led光源器件

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103117278A (zh) * 2013-02-22 2013-05-22 浙江名创光电科技有限公司 一种集成封装的led光源器件

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