CN107316932A - 一种新型led封装方法 - Google Patents
一种新型led封装方法 Download PDFInfo
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- CN107316932A CN107316932A CN201710544819.8A CN201710544819A CN107316932A CN 107316932 A CN107316932 A CN 107316932A CN 201710544819 A CN201710544819 A CN 201710544819A CN 107316932 A CN107316932 A CN 107316932A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000012856 packing Methods 0.000 title claims abstract description 9
- 239000000758 substrate Substances 0.000 claims abstract description 31
- 239000003292 glue Substances 0.000 claims abstract description 16
- 238000005538 encapsulation Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 241000218202 Coptis Species 0.000 claims abstract description 4
- 235000002991 Coptis groenlandica Nutrition 0.000 claims abstract description 4
- 238000000465 moulding Methods 0.000 claims abstract description 4
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- 238000007493 shaping process Methods 0.000 claims abstract description 4
- 238000005286 illumination Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor 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
- H01L33/48—Semiconductor 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor 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
- H01L33/48—Semiconductor 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
- H01L33/52—Encapsulations
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor 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
- H01L33/48—Semiconductor 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
- H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
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Abstract
一种新型的LED封装方法,所述封装方法包括以下步骤1)将LED光源置于封装层的成型模具的型腔中;2)将液态的封装层注入该成型模具的型腔中,使液态的封装层固化成型,打开所述成型模具的型腔;3)将固定有LED芯片的封装层进行烘烤;4)将金线一端焊接在LED芯片上,另一端焊接在基板上,实现LED芯片与基板相导通;5)将荧光胶点入所述基板的底部,直至点入的荧光胶的胶面与所述基板口部平齐;6)将点有荧光胶的基板进行烘烤;7)将盖封胶放置在38℃‑42℃恒温的箱内抽真,根据所需成型的LED形状预备相应的模具,将该模具放置在100℃以上烤炉内预热,将盖封胶灌入模具内。
Description
技术领域
本发明涉及一种LED封装方法。
背景技术
LED的封装技术就是对LED芯片进行封装,制成可直接使用的光源。LED的封装结构比较多,目前一种业界常见的封装结构是:将LED芯片固定在一个平面的基板上,然后在基板的一个平面上利用封装层将该LED芯片封装在该基板上。现有的LED封装方法,存在着成品率低、产品一致性差的缺陷,因此提供一种改进的LED封装方法称为现有技术中亟待解决的问题。
发明内容
为解决前述技术问题,本发明采用了以下技术方案:提供了一种新型的LED封装方法,其特征是所述LED的封装结构包括基板、LED光源和封装层、所述基板包括侧壁与封闭的顶部,所述LED光源安装于基板内部的两相对侧壁上,所述封装方法包括以下步骤
1)将LED光源置于封装层的成型模具的型腔中,
2)将液态的封装层注入该成型模具的型腔中,使液态的封装层固化成型,打开所述成型模具的型腔。
3)将固定有LED芯片的封装层进行烘烤,烘烤温度为115~135℃,烘烤时间设为200min~300min;
4)将金线一端焊接在LED芯片上,另一端焊接在基板上,实现LED芯片与基板相导通;
5)将荧光胶点入所述基板的底部,直至点入的荧光胶的胶面与所述基板口部平齐;
6)将点有荧光胶的基板进行烘烤,烘烤温度为145-155℃,烘烤时间设为90min~180min;
7)将盖封胶放置在38℃-42℃恒温的箱内抽真空25~40min,根据所需成型的LED
形状预备相应的模具,将该模具放置在100℃以上烤炉内预热50min~60min,将盖封胶灌入模具内。
本发明提供的新型LED封装方法,在新的LED封装结构的基础上,与现有技术相比,能够显著提高LED封装过程的成品率,且得到的LED产品一致性好,经过测试,其光照强度的偏差范围≤5%,且寿命偏差范围≤2%。
具体实施方式
本发明提供的一种新型LED封装方法,所述LED的封装结构包括基板、LED光源和封装层、所述基板包括侧壁与封闭的顶部,所述LED光源安装于基板内部的两相对侧壁上,所述封装方法包括以下步骤
1)将LED光源置于封装层的成型模具的型腔中,
2)将液态的封装层注入该成型模具的型腔中,使液态的封装层固化成型,打开所述成型模具的型腔。
3)将固定有LED芯片的封装层进行烘烤,烘烤温度为115~135℃,烘烤时间设为200min~300min;
4)将金线一端焊接在LED芯片上,另一端焊接在基板上,实现LED芯片与基板相导通;
5)将荧光胶点入所述基板的底部,直至点入的荧光胶的胶面与所述基板口部平齐;
6)将点有荧光胶的基板进行烘烤,烘烤温度为145-155℃,烘烤时间设为90min~180min;
7)将盖封胶放置在38℃-42℃恒温的箱内抽真空25~40min,根据所需成型的LED
形状预备相应的模具,将该模具放置在100℃以上烤炉内预热50min~60min,将盖封胶灌入模具内。
实施例1~4的具体工艺参数见下表
光照强度测试
将实施例1~4制得的LED各取100只分别进行光照强度测试,其光照强度偏差结果如下表
实施例号 | 1 | 2 | 3 | 4 |
偏差% | 4.2 | 4.1 | 4.5 | 3.9 |
寿命测试
将实施例1~4制得的LED各取100只分别进行额定电压下的寿命测试,偏差结果如下表
实施例号 | 1 | 2 | 3 | 4 |
寿命/h | 51627 | 51357 | 50674 | 50998 |
实验结果表明,采用本发明的一种新型LED封装方法封装的LED,其光照强度偏差≤5%,寿命偏差≤2%,具有良好的产品一致性。
Claims (1)
1.一种新型的LED封装方法,其特征是所述LED的封装结构包括基板、LED光源和封装层、所述基板包括侧壁与封闭的顶部,所述LED光源安装于基板内部的两相对侧壁上,所述封装方法包括以下步骤
1)将LED光源置于封装层的成型模具的型腔中,
2)将液态的封装层注入该成型模具的型腔中,使液态的封装层固化成型,打开所述成型模具的型腔。
3)将固定有LED芯片的封装层进行烘烤,烘烤温度为115~135℃,烘烤时间设为200min~300min;
4)将金线一端焊接在LED芯片上,另一端焊接在基板上,实现LED芯片与基板相导通;
5)将荧光胶点入所述基板的底部,直至点入的荧光胶的胶面与所述基板口部平齐;
6)将点有荧光胶的基板进行烘烤,烘烤温度为145-155℃,烘烤时间设为90min~180min;
7)将盖封胶放置在38℃-42℃恒温的箱内抽真空25~40min,根据所需成型的LED
形状预备相应的模具,将该模具放置在100℃以上烤炉内预热50min~60min,将盖封胶灌入模具内。
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102437271A (zh) * | 2011-12-12 | 2012-05-02 | 秦会斌 | 一种基于cob技术的集成化led封装方法 |
CN105870298A (zh) * | 2016-05-27 | 2016-08-17 | 福建鸿博光电科技有限公司 | 一种led光源的封装方法 |
WO2017107400A1 (zh) * | 2015-12-21 | 2017-06-29 | 福建中科芯源光电科技有限公司 | 固态荧光体集成光源的双通道导热封装结构及封装方法 |
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- 2017-07-06 CN CN201710544819.8A patent/CN107316932A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102437271A (zh) * | 2011-12-12 | 2012-05-02 | 秦会斌 | 一种基于cob技术的集成化led封装方法 |
WO2017107400A1 (zh) * | 2015-12-21 | 2017-06-29 | 福建中科芯源光电科技有限公司 | 固态荧光体集成光源的双通道导热封装结构及封装方法 |
CN105870298A (zh) * | 2016-05-27 | 2016-08-17 | 福建鸿博光电科技有限公司 | 一种led光源的封装方法 |
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