CN102064240B - 白光led光源模块的封装工艺 - Google Patents

白光led光源模块的封装工艺 Download PDF

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Publication number
CN102064240B
CN102064240B CN201010299556.7A CN201010299556A CN102064240B CN 102064240 B CN102064240 B CN 102064240B CN 201010299556 A CN201010299556 A CN 201010299556A CN 102064240 B CN102064240 B CN 102064240B
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base
source module
light source
led light
colour temperature
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CN102064240A (zh
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何文铭
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MCOB OPTOELECTRONICS TECHNOLOGY CO., LTD.
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FUJIAN WANBAN OPTOELECTRONIC TECHNOLOGY Co Ltd
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Priority to PCT/CN2010/078625 priority patent/WO2012040958A1/zh
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/50Wavelength conversion elements
    • H01L33/501Wavelength conversion elements characterised by the materials, e.g. binder
    • H01L33/502Wavelength conversion materials
    • H01L33/504Elements with two or more wavelength conversion materials
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2933/00Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
    • H01L2933/0008Processes
    • H01L2933/0033Processes relating to semiconductor body packages
    • H01L2933/0041Processes relating to semiconductor body packages relating to wavelength conversion elements

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Led Device Packages (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

本发明提供了一种白光LED光源模块的封装工艺,属于照明设备的加工领域,采用上述工艺步骤,可以在LED光源模块的生产过程中,调整其色温使其满足设计要求,省去在制造出成品后进行分光筛选的工序,因此可以节省生产成本,并且可以保证每生产出来的每一个光源模块均符合色温的范围要求,有利于大批量的工业化生产。

Description

白光LED光源模块的封装工艺
【技术领域】
本发明涉及一种LED的封装工艺,尤其涉及一种白光LED光源模块的封装工艺。
【背景技术】
LED是一种低电压光源,由于其省电、寿命长,现已被广泛应用于各种照明装置,而白光LED光源在照明领域的应用潜力更为巨大,传统的白光LED光源模块的制造工艺,如专利号为200710139584.0的中国专利中所披露的一种白光LED面光源模块的封装方法,其工艺是由制作线路板、固晶、键合引线、封装胶层和荧光粉层等步骤组成,尽管采用该工艺可以在相对地节省生产成本,同时解决大功率LED光源模块的散热问题,但是由于白光LED光源模块对于白光一致性的要求很高,采用上述封装方法,由于在封装胶层和荧光粉层的工序里,其用粉量是预先计算设定好的,但是由于实际上每个LED芯片的个体间存在差异,因此按上述方法制造的每个白光LED光源模块无法保证其色温均能符合要求,成品的合格率不够高,常常需要再通过分光的步骤进行筛选,剔除不符合要求的产品,因此常常造成很大的浪费。
【发明内容】
本发明要解决的技术问题,在于提供一种既能够节省生产成本,又可以保持较好的成品率的白光LED光源模块的封装方法。
本发明采用的技术方案为:一种白光LED光源模块的封装工艺,包括以下步骤组成:
(1)制作底座:将铝基板或者铜基板一体成型冲压成所需要的LED光源模块的底座,再将底座的表面电镀上反光层,并在底座上预设的位置上贴正负极线路板;
(2)固晶:采用绝缘胶将LED芯片粘结在底座上预置好的反光杯内,经烘烤后芯片被固定在底座上;
(3)焊线:将LED芯片之间按设计要求串联或者并联后,引出到底座上的正负极线路板上;
(4)封装胶水和荧光粉混合层:在反光杯内灌注预先调配好的胶水和荧光粉混合层,经烘烤待其固化后得到LED光源模块;
(5)测试补粉:将上述LED光源模块通过色温测试仪进行测试其是否在符合要求的范围内,若色温偏低时,加混有蓝色荧光粉的胶层,直至色温符合要求,若色温偏高时,加混有黄色荧光粉的胶层,直至色温符合要求。
与现有技术相比,本发明具有如下优点:采用上述工艺步骤,可以在LED光源模块的生产过程中,调整其色温使其满足设计要求,省去在制造出成品后进行分光筛选的工序,因此可以节省生产成本,并且可以保证每生产出来的每一个光源模块均符合色温的范围要求,有利于大批量的工业化生产。
【具体实施方式】
下面结合具体实施例来对本发明进行详细的说明。
一种白光LED光源模块的封装工艺,包括以下步骤组成:
(1)制作底座:将铝基板或者铜基板一体成型冲压成所需要的LED光源模块的底座,再将底座的表面电镀上反光层,并在底座上预设的位置上贴正负极线路板;
(2)固晶:采用绝缘胶将LED芯片粘结在底座上预置好的反光杯内,经烘烤后芯片被固定在底座上;
(3)焊线:将LED芯片之间按设计要求串联或者并联后,引出到底座上的正负极线路板上;
(4)封装胶水和荧光粉混合层:在反光杯内灌注预先调配好的胶水和荧光粉混合层,经烘烤待其固化后得到LED光源模块;
(5)测试补粉:将上述LED光源模块通过色温测试仪进行测试其是否在符合要求的范围内,若色温偏低时,加混有蓝色荧光粉的胶层,直至色温符合要求,若色温偏高时,加混有黄色荧光粉的胶层,直至色温符合要求。

Claims (1)

1.一种白光LED光源模块的封装工艺,其特征在于:包括以下步骤:
(1)制作底座:将铝基板或者铜基板一体成型冲压成所需要的LED光源模块的底座,再将底座的表面电镀上反光层,并在底座上预设的位置上贴正负极线路板;
(2)固晶:采用绝缘胶将LED芯片粘结在底座上预置好的反光杯内,经烘烤后芯片被固定在底座上;
(3)焊线:将LED芯片之间按设计要求串联或者并联后,引出到底座上的正负极线路板上;
(4)封装胶水和荧光粉混合层:在反光杯内灌注预先调配好的胶水和荧光粉混合层,经烘烤待其固化后得到LED光源模块;
(5)测试补粉:将上述LED光源模块通过色温测试仪进行测试其是否在符合要求的范围内,若色温偏低时,加混有蓝色荧光粉的胶层,直至色温符合要求,若色温偏高时,加混有黄色荧光粉的胶层,直至色温符合要求。
CN201010299556.7A 2010-09-30 2010-09-30 白光led光源模块的封装工艺 Expired - Fee Related CN102064240B (zh)

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CN102306690B (zh) * 2011-08-11 2013-05-01 郑州索兰电子科技有限公司 白光led色温检测修复机及其检测修复方法
CN104659183B (zh) * 2013-11-21 2017-10-20 莆田康布斯光电科技有限公司 一种led发光模组的结构及其制造工艺

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CN101097977A (zh) * 2007-03-26 2008-01-02 鹤山丽得电子实业有限公司 一种白光led灯的制造方法及采用该方法的led灯
CN101137255A (zh) * 2007-10-19 2008-03-05 石家庄开发区神通机电开发有限公司 白光led面光源模块的封装方法
CN101592291A (zh) * 2009-06-26 2009-12-02 惠州市斯科电气照明有限公司 一种色温可调的led灯制作方法及led灯

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US7344952B2 (en) * 2005-10-28 2008-03-18 Philips Lumileds Lighting Company, Llc Laminating encapsulant film containing phosphor over LEDs
US20090231832A1 (en) * 2008-03-15 2009-09-17 Arturas Zukauskas Solid-state lamps with complete conversion in phosphors for rendering an enhanced number of colors
US7884545B2 (en) * 2008-03-24 2011-02-08 Citizen Holdings Co., Ltd. LED light source and method for adjusting chromaticity of LED light source
CN101404317A (zh) * 2008-11-12 2009-04-08 鹤山丽得电子实业有限公司 一种大功率白光led封装方法
CN101452985A (zh) * 2008-12-31 2009-06-10 广东昭信光电科技有限公司 一种白光发光二极管器件的封装结构和方法

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CN101137255A (zh) * 2007-10-19 2008-03-05 石家庄开发区神通机电开发有限公司 白光led面光源模块的封装方法
CN101592291A (zh) * 2009-06-26 2009-12-02 惠州市斯科电气照明有限公司 一种色温可调的led灯制作方法及led灯

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