CN105860907A - 一种led 封装用封装胶 - Google Patents
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- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
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- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
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- 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
- H01L33/56—Materials, e.g. epoxy or silicone resin
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08L2203/00—Applications
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Abstract
本发明公开了一种LED封装用封装胶,本发明封装胶能够有效的阻止支架、线路板、助焊剂、以及过回流焊高温时线路板等器件产生的硫化氢、二氧化硫与反光杯发生反应,不会生成黑色的硫化银、氧化银等物质。本发明封装胶能够有效的降低光衰。
Description
技术领域
本发明涉及LED技术领域,具体的说是涉及一种LED封装用封装胶。
背景技术
随着 LED 封装工艺的发展、封装材料的演变,灯珠产品的光衰成为众多 LED封装企业最为关心的问题之一,而除了芯片、荧光粉等对灯珠光衰的影响外,灯珠的防硫化性能成为影响 LED 灯珠光衰、使用寿命的最主要因素。
经市场调查和专利检索,目前LED封装在制作过程中存在的问题是:
一、封装硅胶的制作影响光衰。
二、硫的来源主要有支架、线路板、助焊剂、以及过回流焊高温时线路板等器件产生的硫化氢、二氧化硫等。由于单质硫、硫化氢气体等能通过胶体与支架间的缝隙、封装硅胶等途径扩散至反光镀银层,从而在光的作用下发生化学反应,生成硫化银、氧化银等黑色涂层,影响芯片所发光的输出,大大影响 LED 灯的光通量,缩短其使用寿命。
发明内容
针对现有技术中的不足,本发明要解决的技术问题在于提供了一种LED封装用封装胶。
为解决上述技术问题,本发明通过以下方案来实现共五种方案:
第一种,LED 封装用封装胶,该封装胶包括以下组分,各组分按重量百分比配比如下:
环氧树脂乙烯酸酯 25-60%;
聚氨酯乙烯酸酯 15~35%;
羟基环己基苯基甲酮 3~8%;
聚二甲基硅油 0.5~3%;
聚醚改性有机硅 0.5~3%;
乙氧基化羟乙基 10~30%;
纳米银粉 5~10%。
第二种,LED 封装用封装胶,该封装胶包括以下组分,各组分按重量百分比配比如下:
环氧树脂乙烯酸酯 40-50%;
聚氨酯乙烯酸酯 20~30%;
三甲基苯甲酰基 3~8%;
改性聚硅氧烷 0.5~3%;
聚二甲基硅氧烷 0.5~3%;
丙烯酸十八酯 10~30%;
纳米铝粉 5~10%。
第三种,LED 封装用封装胶,该封装胶包括以下组分,各组分按重量百分比配比如下:
环氧树脂乙烯酸酯 30-60%;
聚氨酯乙烯酸酯 25~35%;
安息香苯甲醚 3~8%;
聚丙烯酸酯 0.5~3%;
有机基改性聚硅氧烷 0.5~3%;
丙烯酸异冰片酯 10~30%;
纳米镍粉 5~10%。
第四种,LED 封装用封装胶,该封装胶包括以下组分,各组分按重量百分比配比如下:
环氧树脂乙烯酸酯 35-65%;
聚氨酯乙烯酸酯 25~35%;
三甲基苯甲酰基 3~8%;
聚丙烯酸酯 0.5~3%;
丙烯酸聚氨酯树脂 0.5~3%;
烷氧化壬基苯酚 15~30%;
纳米镍粉 5~10%。
第五种,LED 封装用封装胶,该封装胶包括以下组分,各组分按重量百分比配比如下:
环氧树脂乙烯酸酯 50-80%;
聚氨酯乙烯酸酯 10~20%;
2-羟基-2-甲基-1-苯基-1-丙酮 3~8%;
聚丙烯酸酯 0.5~3%;
丙烯酸聚氨酯树脂 0.5~3%;
乙氧基化羟乙基 15~30%;
纳米铜粉 5~10%。
相对于现有技术,本发明的有益效果是:本发明封装胶能够有效的阻止支架、线路板、助焊剂、以及过回流焊高温时线路板等器件产生的硫化氢、二氧化硫与反光杯发生反应,不会生成黑色的硫化银、氧化银等物质。本发明封装胶能够有效的降低光衰。
具体实施方式
下面对本发明的优选实施例进行详细阐述,以使本发明的优点和特征能更易于被本领域技术人员理解,从而对本发明的保护范围做出更为清楚明确的界定。
本发明封装胶有五种方案制备,该五种方案如下:
实施例1:
第一种,LED 封装用封装胶,该封装胶包括以下组分,各组分按重量百分比配比如下:
环氧树脂乙烯酸酯 25-60%;
聚氨酯乙烯酸酯 15~35%;
羟基环己基苯基甲酮 3~8%;
聚二甲基硅油 0.5~3%;
聚醚改性有机硅 0.5~3%;
乙氧基化羟乙基 10~30%;
纳米银粉 5~10%。
实施例2:
第二种,LED 封装用封装胶,该封装胶包括以下组分,各组分按重量百分比配比如下:
环氧树脂乙烯酸酯 40-50%;
聚氨酯乙烯酸酯 20~30%;
三甲基苯甲酰基 3~8%;
改性聚硅氧烷 0.5~3%;
聚二甲基硅氧烷 0.5~3%;
丙烯酸十八酯 10~30%;
纳米铝粉 5~10%。
实施例3:
第三种,LED 封装用封装胶,该封装胶包括以下组分,各组分按重量百分比配比如下:
环氧树脂乙烯酸酯 30-60%;
聚氨酯乙烯酸酯 25~35%;
安息香苯甲醚 3~8%;
聚丙烯酸酯 0.5~3%;
有机基改性聚硅氧烷 0.5~3%;
丙烯酸异冰片酯 10~30%;
纳米镍粉 5~10%。
实施例4:
第四种,LED 封装用封装胶,其特征在于,该封装胶包括以下组分,各组分按重量百分比配比如下:
环氧树脂乙烯酸酯 35-65%;
聚氨酯乙烯酸酯 25~35%;
三甲基苯甲酰基 3~8%;
聚丙烯酸酯 0.5~3%;
丙烯酸聚氨酯树脂 0.5~3%;
烷氧化壬基苯酚 15~30%;
纳米镍粉 5~10%。
实施例5:
第五种,LED 封装用封装胶,该封装胶包括以下组分,各组分按重量百分比配比如下:
环氧树脂乙烯酸酯 50-80%;
聚氨酯乙烯酸酯 10~20%;
2-羟基-2-甲基-1-苯基-1-丙酮 3~8%;
聚丙烯酸酯 0.5~3%;
丙烯酸聚氨酯树脂 0.5~3%;
乙氧基化羟乙基 15~30%;
纳米铜粉 5~10%。
以上封装工艺按现有的封装工艺即可。
以上所述仅为本发明的优选实施方式,并非因此限制本发明的专利范围,凡是利用本发明说明书内容所作的等效流程变换,或直接或间接运用在其它相关的技术领域,均同理包括在本发明的专利保护范围内。
Claims (5)
1.一种 LED 封装用封装胶,其特征在于,该封装胶包括以下组分,各组分按重量百分比配比如下:
环氧树脂乙烯酸酯 25-60%;
聚氨酯乙烯酸酯 15~35%;
羟基环己基苯基甲酮 3~8%;
聚二甲基硅油 0.5~3%;
聚醚改性有机硅 0.5~3%;
乙氧基化羟乙基 10~30%;
纳米银粉 5~10%。
2.一种 LED 封装用封装胶,其特征在于,该封装胶包括以下组分,各组分按重量百分比配比如下:
环氧树脂乙烯酸酯 40-50%;
聚氨酯乙烯酸酯 20~30%;
三甲基苯甲酰基 3~8%;
改性聚硅氧烷 0.5~3%;
聚二甲基硅氧烷 0.5~3%;
丙烯酸十八酯 10~30%;
纳米铝粉 5~10%。
3.一种 LED 封装用封装胶,其特征在于,该封装胶包括以下组分,各组分按重量百分比配比如下:
环氧树脂乙烯酸酯 30-60%;
聚氨酯乙烯酸酯 25~35%;
安息香苯甲醚 3~8%;
聚丙烯酸酯 0.5~3%;
有机基改性聚硅氧烷 0.5~3%;
丙烯酸异冰片酯 10~30%;
纳米镍粉 5~10%。
4.一种 LED 封装用封装胶,其特征在于,该封装胶包括以下组分,各组分按重量百分比配比如下:
环氧树脂乙烯酸酯 35-65%;
聚氨酯乙烯酸酯 25~35%;
三甲基苯甲酰基 3~8%;
聚丙烯酸酯 0.5~3%;
丙烯酸聚氨酯树脂 0.5~3%;
烷氧化壬基苯酚 15~30%;
纳米镍粉 5~10%。
5.一种 LED 封装用封装胶,其特征在于,该封装胶包括以下组分,各组分按重量百分比配比如下:
环氧树脂乙烯酸酯 50-80%;
聚氨酯乙烯酸酯 10~20%;
2-羟基-2-甲基-1-苯基-1-丙酮 3~8%;
聚丙烯酸酯 0.5~3%;
丙烯酸聚氨酯树脂 0.5~3%;
乙氧基化羟乙基 15~30%;
纳米铜粉 5~10%。
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CN107731994A (zh) * | 2017-11-17 | 2018-02-23 | 惠州光弘科技股份有限公司 | 一种led制造方法 |
CN111788275A (zh) * | 2018-03-01 | 2020-10-16 | 住友电木株式会社 | 糊状粘接剂组合物和半导体装置 |
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CN104031598A (zh) * | 2014-06-30 | 2014-09-10 | 江苏华程光电科技有限公司 | 高导热性led密封胶 |
CN104064660A (zh) * | 2014-06-30 | 2014-09-24 | 江苏华程光电科技有限公司 | Led灌胶封装工艺 |
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CN104031598A (zh) * | 2014-06-30 | 2014-09-10 | 江苏华程光电科技有限公司 | 高导热性led密封胶 |
CN104064660A (zh) * | 2014-06-30 | 2014-09-24 | 江苏华程光电科技有限公司 | Led灌胶封装工艺 |
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CN107731994A (zh) * | 2017-11-17 | 2018-02-23 | 惠州光弘科技股份有限公司 | 一种led制造方法 |
CN111788275A (zh) * | 2018-03-01 | 2020-10-16 | 住友电木株式会社 | 糊状粘接剂组合物和半导体装置 |
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