CN105505271A - 一种显示屏专用高灰度显示led灌封胶及其应用工艺 - Google Patents
一种显示屏专用高灰度显示led灌封胶及其应用工艺 Download PDFInfo
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Abstract
本发明公开了一种显示屏专用高灰度显示LED灌封胶,包括有按重量份数比计:脂环族环氧树脂20~25份,甲基六氢苯二甲酸酐15~20份,氢化偏苯三酸酐5份,微米级二氧化硅粉45~50份,四乙基溴化铵0.1份,其灌封胶应用工艺包括有以下步骤:A、其灌封胶按上述配方配好后,装在带封口的塑料杯中,其保存温度为0℃低温;B、使用前,放在室温环境中,其回温时间为40min;C、用行星离心式高速搅拌机搅拌均匀并脱泡;D、分装到点胶机器上进行点胶;E、把点好的支架,在点胶放倒置过来放置30min;F、倒置摆放进135℃的高温烤箱,烤1小时;G、把烤箱温度调到160℃,烤5小时。本发明具有其防潮性能达到国际level3标准,灰度显示性能达到到250阶,反光率比较低,防腐效果好。
Description
技术领域
本发明涉及灌封胶技术领域,尤其涉及一种显示屏专用高灰度显示LED灌封胶及其应用工艺。
背景技术
在显示屏专用LED灯珠生产加工中,其封装形式有很多种,比如SMD3535LED,2121LED,2527LED等。他们都使用点胶的生产工艺,点胶使用的灌封胶有很多不同的类型,比如日本IK株式会社。
结合LED显示屏电子技术的发展现状、LED透明灌封材料的发展以及电子封装对材料提出的高性能要求,开发一种显示屏专用高灰度显示LED灌封胶,并把它应用到显示屏专用的灯珠中的生产中是十分有必要的。
发明内容
本发明的目的在于针对现有技术的不足而提供一种显示屏专用高灰度显示LED灌封胶及其应用工艺,其防潮性能达到国际level3标准,灰度显示性能达到到250阶,反光率比较低,防腐效果好。
为达到上述目的,本发明通过以下技术方案来实现。
一种显示屏专用高灰度显示LED灌封胶,包括有按重量份数比计:脂环族环氧树脂20~25份,甲基六氢苯二甲酸酐15~20份,氢化偏苯三酸酐5份,微米级二氧化硅粉45~50份,四乙基溴化铵0.1份。
其中,所述灌封胶的玻璃转化温度达到270℃。
本发明还提供一种显示屏专用高灰度显示LED灌封胶应用工艺,包括有以下步骤:
A、其灌封胶按上述配方配好后,装在带封口的塑料杯中,其保存温度为0℃低温;
B、使用前,放在室温环境中,其回温时间为40min;
C、用行星离心式高速搅拌机搅拌均匀并脱泡;
D、分装到点胶机器上进行点胶;
E、把点好的支架,在点胶放倒置过来放置30min;
F、倒置摆放进135℃的高温烤箱,烤1小时;
G、把烤箱温度调到160℃,烤5小时。
本发明的有益效果为:本发明所述的一种显示屏专用高灰度显示LED灌封胶,包括有按重量份数比计:脂环族环氧树脂20~25份,甲基六氢苯二甲酸酐15~20份,氢化偏苯三酸酐5份,微米级二氧化硅粉45~50份,四乙基溴化铵0.1份,本发明还提供一种显示屏专用高灰度显示LED灌封胶应用工艺,包括有以下步骤:A、其灌封胶按上述配方配好后,装在带封口的塑料杯中,其保存温度为0℃低温;B、使用前,放在室温环境中,其回温时间为40min;C、用行星离心式高速搅拌机搅拌均匀并脱泡;D、分装到点胶机器上进行点胶;E、把点好的支架,在点胶放倒置过来放置30min;F、倒置摆放进135℃的高温烤箱,烤1小时;G、把烤箱温度调到160℃,烤5小时。本发明具有其防潮性能达到国际level3标准,灰度显示性能达到到250阶,反光率比较低,防腐效果好的优点。
附图说明
下面利用附图来对本发明进行进一步的说明,但是附图中的实施例不构成对本发明的任何限制。
图1为本发明的应用工艺流程图。
具体实施方式
下面结合具体的实施方式来对本发明进行说明。
如图1所示,一种显示屏专用高灰度显示LED灌封胶,包括有按重量份数比计:脂环族环氧树脂20~25份,甲基六氢苯二甲酸酐15~20份,氢化偏苯三酸酐5份,微米级二氧化硅粉45~50份,四乙基溴化铵0.1份。
进一步的,所述灌封胶的玻璃转化温度达到270℃。
更进一步的,一种显示屏专用高灰度显示LED灌封胶应用工艺,包括有以下步骤:
A、其灌封胶按上述配方配好后,装在带封口的塑料杯中,其保存温度为0℃低温;
B、使用前,放在室温环境中,其回温时间为40min;
C、用行星离心式高速搅拌机搅拌均匀并脱泡;
D、分装到点胶机器上进行点胶;
E、把点好的支架,在点胶放倒置过来放置30min;
F、倒置摆放进135℃的高温烤箱,烤1小时;
G、把烤箱温度调到160℃,烤5小时。
以上内容仅为本发明的较佳实施例,对于本领域的普通技术人员,依据本发明的思想,在具体实施方式及应用范围上均会有改变之处,本说明书内容不应理解为对本发明的限制。
Claims (3)
1.一种显示屏专用高灰度显示LED灌封胶,其特征在于:包括有按重量份数比计:脂环族环氧树脂20~25份,甲基六氢苯二甲酸酐15~20份,氢化偏苯三酸酐5份,微米级二氧化硅粉45~50份,四乙基溴化铵0.1份。
2.根据权利要求1所述的一种显示屏专用高灰度显示LED灌封胶,其特征在于:所述灌封胶的玻璃转化温度达到270℃。
3.一种显示屏专用高灰度显示LED灌封胶应用工艺,其特征在于:包括有以下步骤:
A、其灌封胶按上述配方配好后,装在带封口的塑料杯中,其保存温度为0℃低温;
B、使用前,放在室温环境中,其回温时间为40min;
C、用行星离心式高速搅拌机搅拌均匀并脱泡;
D、分装到点胶机器上进行点胶;
E、把点好的支架,在点胶放倒置过来放置30min;
F、倒置摆放进135℃的高温烤箱,烤1小时;
G、把烤箱温度调到160℃,烤5小时。
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107903855A (zh) * | 2017-11-29 | 2018-04-13 | 广州惠利电子材料有限公司 | 单液型显示屏环氧灌封胶及其制备方法 |
CN109266302A (zh) * | 2018-09-03 | 2019-01-25 | 烟台德邦先进硅材料有限公司 | 一种改性的高折射率led封装硅胶 |
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JPH04142070A (ja) * | 1990-10-01 | 1992-05-15 | Nitto Denko Corp | 光半導体装置 |
CN101320775A (zh) * | 2008-07-21 | 2008-12-10 | 晶能光电(江西)有限公司 | 硅衬底led的封装方法 |
CN104559878A (zh) * | 2013-10-11 | 2015-04-29 | 上海联浪新材料科技有限公司 | 一种纳米技术耐热改性odf工艺lcd封框胶及其制备 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04142070A (ja) * | 1990-10-01 | 1992-05-15 | Nitto Denko Corp | 光半導体装置 |
CN101320775A (zh) * | 2008-07-21 | 2008-12-10 | 晶能光电(江西)有限公司 | 硅衬底led的封装方法 |
CN104559878A (zh) * | 2013-10-11 | 2015-04-29 | 上海联浪新材料科技有限公司 | 一种纳米技术耐热改性odf工艺lcd封框胶及其制备 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107903855A (zh) * | 2017-11-29 | 2018-04-13 | 广州惠利电子材料有限公司 | 单液型显示屏环氧灌封胶及其制备方法 |
CN109266302A (zh) * | 2018-09-03 | 2019-01-25 | 烟台德邦先进硅材料有限公司 | 一种改性的高折射率led封装硅胶 |
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