CN202871863U - 铝线或铝合金线连接的表面贴装式发光二极管器件 - Google Patents

铝线或铝合金线连接的表面贴装式发光二极管器件 Download PDF

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CN202871863U
CN202871863U CN2012202205110U CN201220220511U CN202871863U CN 202871863 U CN202871863 U CN 202871863U CN 2012202205110 U CN2012202205110 U CN 2012202205110U CN 201220220511 U CN201220220511 U CN 201220220511U CN 202871863 U CN202871863 U CN 202871863U
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wires
aluminum
aluminium alloy
alloy wire
aluminum alloy
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何畏
吴质朴
郝锐
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SHENZHEN ORIENT 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

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Abstract

本实用新型涉及一种铝线或铝合金线连接的表面贴装式发光二极管器件,所述器件包括铝线或铝合金线1、单电极芯片2、PCB板3、灌封胶4,PCB板3支架结构中的LED芯片2通过铝线或铝合金线1材料焊接,焊接后,使用灌封胶4形成出光透镜,所有LED芯片2都设置在透镜内。本实用新型采用铝线或铝合金线焊线替代金线焊线,大大节省了生产成本,同时利用铝线或铝合金线抗注胶冲力强的特点,减少了塌线的几率,降低了对线径的要求,提高了良品率。

Description

铝线或铝合金线连接的表面贴装式发光二极管器件
技术领域:
本实用新型涉及电子器件技术领域,具体涉及一种铝线或铝合金线连接的表面贴装式发光二极管封装结构。 
背景技术
目前,主流LED封装产品,如大功率LED、COB等正面出光产品,在进行器件封装的时候,都采用纯金线焊接工艺进行连接,由于金线的成本比较高,从而导致LED灯的价格居高不下。同时由于金线焊接中,当线径小于5.5mil时,注胶就会容易出现塌线的情况,因此相对节省成本的细线径的金线无法应用。而铝材质细线本身抗注胶冲力强,既可以节省成本,即也不会因为线径太小造成注胶塌线。 
实用新型内容
本实用新型要解决的技术问题,在于提供一种铝线或铝合金线连接的表面贴装式(SMD)发光二极管(LED)封装结构,LED芯片采用铝线或铝合金线连接形成新型SMD贴片,大大降低封装成本。 
本实用新型的实现方式是:一种铝线或铝合金线连接的表面贴装式发光二极管封装结构,支架内的LED芯片通过铝线或铝合金线材料焊接。固定在PCB支架上的使用铝线或铝合金线焊接的芯片至少有单电极和双电级两种。较佳的,所述封装结构采用灌封胶制作成透镜,用以提高出光率和保护焊线封装结构。 
较佳的是,上述封装结构采用的PCB支架可以使用高导热材料制作,使得器件可靠性增加。 
较佳的是,上述结构中采用的铝线或铝合金线线径可以达到0.8mil,从而大大降低生产成本。 
本实用新型的优点在于:采用铝线或铝合金线采用焊线LED芯片,大大降低封装成本。并且采用线径更细的铝线或铝合金线封装,替代了传统全金线的封装方式,并且抗注胶冲力特点显著。 
附图说明:
图1是本实用新型中单电极芯片封装结构的侧视结构示意图 
图2是本实用新型中双电级芯片封装结构的侧视结构示意图 
图中:铝线或铝合金线1、单电极芯片2、PCB板3、灌封胶4 
具体实施方式
请参阅图1所示,本实用新型SMD贴片式单电极LED封装结构,包括铝线或铝合金线1、单电极芯片2、PCB板3、灌封胶4,单电极芯片通过铝线或铝合金线1连接,组成SMD贴片。 
所述芯片固定在PCB板3上,通过铝线或铝合金线1连接后,使用灌封胶4形成出光透镜,该灌封胶为环氧树脂或透明硅胶,所有LED芯片2都设置在透镜内。 
请参阅图2所示,本实用新型SMD贴片式单电极LED封装结构,包括铝线或铝合金线1、单电极芯片2、PCB板3、灌封胶4,双电极芯片通过铝线或铝合金线1连接,组成SMD贴片。 
所述芯片固定在PCB板3上,通过铝线或铝合金线1连接后,使用灌封胶4形成出光透镜,该灌封胶为环氧树脂或透明硅胶,所有LED芯片2都设置在透镜内。 
综上所述,本实用新型的封装结构,采用铝线或铝合金线1焊接,避免采用纯金线连接,从而大大降低了封装成本。另外采用PCB板3固定芯片,散热效果好。 

Claims (6)

1.一种铝线或铝合金线连接的表面贴装式发光二极管封装结构,其特征在于:支架结构中的LED芯片通过铝线或铝合金线材料焊接。 
2.根据权利要求1所述的发光二极管封装结构,其特征在于:采用PCB支架的SMD贴片式封装形式。 
3.根据权利要求2所述的发光二极管封装结构,其特征在于:还包括所述的固定在PCB支架上的使用铝线或铝合金线焊接的芯片至少有单电极和双电级两种。 
4.根据权利要求3所述的发光二极管封装结构,其特征在于:所述芯片通过铝线或铝合金线焊接后,使用灌封胶形成出光透镜,所有LED芯片都设置在透镜内。 
5.根据权利要求4所述的发光二极管封装结构,其特征在于:所述灌封胶为环氧树脂或透明硅胶。 
6.根据权利要求3所述的发光二极管封装结构,其特征在于:适用0603和0805型等采用PCB支架的SMD贴片封装结构。 
CN2012202205110U 2012-05-15 2012-05-15 铝线或铝合金线连接的表面贴装式发光二极管器件 Expired - Lifetime CN202871863U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107111754A (zh) * 2014-12-30 2017-08-29 Tk控股公司 乘员监视系统和方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107111754A (zh) * 2014-12-30 2017-08-29 Tk控股公司 乘员监视系统和方法

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