CN113193097A - 一种双色cob的封装工艺 - Google Patents
一种双色cob的封装工艺 Download PDFInfo
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- 238000012858 packaging process Methods 0.000 title claims abstract description 11
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- 238000002507 cathodic stripping potentiometry Methods 0.000 claims description 58
- 238000002310 reflectometry Methods 0.000 abstract description 5
- 239000013078 crystal Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 2
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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
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
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- H01L21/6835—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
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- H—ELECTRICITY
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- H01L2221/67—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere
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Abstract
一种双色COB的封装工艺,包括以下步骤:(1)将两种不同色温的LED芯片按规律排列粘贴在同一张蓝膜上;(2)利用顶针逐一将LED芯片从蓝膜上顶起并用吸嘴将对应的LED芯片从蓝膜上取走;(3)将蓝膜上的两种LED芯片逐一固设在基板上;(4)围堰;(5)点胶;(6)分板、分光;(7)包装。本发明将两种不同色温的LED芯片预先粘贴在同一张蓝膜上,固晶时可以按规律一次性将两种LED芯片逐一取走并固晶,减少固晶的次数,因此可以提高封装效率。同时减少一次过回流炉,避免基板白油反射率减低,可以提升亮度。
Description
技术领域
本发明涉及LED领域,尤其是一种双色COB的封装工艺。
背景技术
CSP出厂前需要将其粘贴在蓝膜上,蓝膜作为CSP的载体,不但方便运输,同时也方便吸嘴将其取走实现固晶。双色COB需要两种色温的CSP,目前的做法是将两种CSP分别粘贴在不同的蓝膜上,固晶时先将其中一张蓝膜的CSP固晶,过回流炉固化;再将另外一张蓝膜上的CSP固晶,再过回流炉固化。在两张蓝膜切换的同时需要采用切换设备,也就是说需要两次固晶,无疑增加了时间成本。而过两次回流炉,会降低基板白油的反射率,从而降低亮度。
发明内容
本发明所要解决的技术问题是提供一种双色COB的封装工艺,能提高效率,提升亮度。
为解决上述技术问题,本发明的技术方案是:
一种双色COB的封装工艺,包括以下步骤:
(1)将两种不同色温的CSP按间隔排列粘贴在同一张蓝膜上;
(2)利用顶针逐一将CSP从蓝膜上顶起并用吸嘴将对应的CSP从蓝膜上取走;
(3)将蓝膜上的两种CSP按预先设定的程序固设在基板上;
(4)围堰;
(5)点胶;
(6)分板、分光;
(7)包装。本发明将两种不同色温的CSP预先粘贴在同一张蓝膜上,固晶时可以按规律一次性将两种CSP逐一取走并固晶,减少固晶的次数,因此可以提高封装效率。同时减少一次过回流炉,避免基板白油反射率减低,可以提升亮度。
作为改进,所述CSP在蓝膜上的排列方式是间隔排布。
作为改进,吸嘴先将第一种CSP从蓝膜取走并固设在基板上的对应位置;然后再将第二种CSP从蓝膜取走并固设在基板上的对应位置。
作为改进,第一种CSP与第二种CSP不在两个不同区域排列,吸嘴先将第一种CSP从蓝膜取走并固设在基板上的对应位置;然后再将第二种CSP从蓝膜取走并固设在基板上的对应位置。
本发明与现有技术相比所带来的有益效果是:
本发明将两种不同色温的CSP预先粘贴在同一张蓝膜上,固晶时可以按规律一次性将两种CSP逐一取走并固晶,减少固晶的次数,因此可以提高封装效率。同时减少一次过回流炉,避免基板白油反射率减低,可以提升亮度。
附图说明
图1为本发明工艺流程图。
具体实施方式
下面结合说明书附图对本发明作进一步说明。
如图1所示,一种双色COB的封装工艺,包括以下步骤:
(1)出厂前将两种不同色温的CSP按规律排列粘贴在同一张蓝膜上;
(2)利用顶针逐一将CSP从蓝膜上顶起并用吸嘴将对应的CSP从蓝膜上取走;
(3)将蓝膜上的两种CSP逐一固设在基板上;
(4)围堰;
(5)点胶;
(6)分板、分光;
(7)包装。
第一种排列方式:所述CSP在蓝膜上的排列方式是间隔排布,固晶时,根据预先设定的程序,吸嘴先将第一种CSP从蓝膜取走并固设在基板上的对应位置,然后再将第二种CSP从蓝膜取走并固设在基板上的对应位置。
另外一种排列方式:第一种CSP与第二种CSP在两个不同区域排列,固晶时,根据预先设定的程序,吸嘴先将第一种CSP从蓝膜取走并固设在基板上的对应位置,然后再将第二种CSP从蓝膜取走并固设在基板上的对应位置。
本发明将两种不同色温的CSP预先粘贴在同一张蓝膜上,固晶时可以按规律一次性将两种CSP逐一取走并固晶,减少固晶的次数,因此可以提高封装效率。同时减少一次过回流炉,避免基板白油反射率减低,可以提升亮度。
Claims (4)
1.一种双色COB的封装工艺,其特征在于,包括以下步骤:
(1)将两种不同色温的CSP按规律排列粘贴在同一张蓝膜上;
(2)利用顶针逐一将CSP从蓝膜上顶起并用吸嘴将对应的LED芯片从蓝膜上取走;
(3)将蓝膜上的两种CSP按预先设定的程序固设在基板上,过回流炉固化;
(4)围堰;
(5)点胶;
(6)分板、分光;
(7)包装。
2.根据权利要求1所述的一种双色COB的封装工艺,其特征在于:所述两种CSP在同一张蓝膜上的排列方式是间隔排布。
3.根据权利要求2所述的一种双色COB的封装工艺,其特征在于:吸嘴先将第一种CSP从蓝膜取走并固设在基板上的对应位置;然后再将第二种CSP从蓝膜取走并固设在基板上的对应位置。
4.根据权利要求1所述的一种双色COB的封装工艺,其特征在于:第一种CSP与第二种CSP在两个不同区域排列,吸嘴先将第一种CSP从蓝膜取走并固设在基板上的对应位置;然后再将第二种CSP从蓝膜取走并固设在基板上的对应位置。
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CN102386286A (zh) * | 2010-08-31 | 2012-03-21 | 隆达电子股份有限公司 | 芯片转移方法及芯片转移设备 |
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CN212062462U (zh) * | 2020-06-24 | 2020-12-01 | 鸿利智汇集团股份有限公司 | 一种led封装结构 |
CN212259453U (zh) * | 2020-06-24 | 2020-12-29 | 鸿利智汇集团股份有限公司 | 一种一体式封装led |
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Patent Citations (10)
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CN102386286A (zh) * | 2010-08-31 | 2012-03-21 | 隆达电子股份有限公司 | 芯片转移方法及芯片转移设备 |
CN206370408U (zh) * | 2016-12-29 | 2017-08-01 | 丽智电子(昆山)有限公司 | 一种静电保护产品芯片贴合装置 |
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CN212259453U (zh) * | 2020-06-24 | 2020-12-29 | 鸿利智汇集团股份有限公司 | 一种一体式封装led |
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CN112490341A (zh) * | 2020-12-08 | 2021-03-12 | 鸿利智汇集团股份有限公司 | 一种双色cob的封装方法 |
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