客服热线:18202992950

METHOD FOR MANUFACTURING LIGHT-EMITTING DEVICE 发明申请

2023-06-26 4010 194K 0

专利信息

申请日期 2025-06-27 申请号 JP2017187604
公开(公告)号 JP2019062145A 公开(公告)日 2019-04-18
公开国别 JP 申请人省市代码 全国
申请人 NICHIA KAGAKU KOGYO KK
简介 To provide a light-emitting device which has superior color rendering properties and which enables the suppression of growth of bacteria.SOLUTION : A light-emitting device 100 comprises : a light-emitting element 10 having a light emission peak wavelength in a range of 400 nm or more and 410 nm or less; and a fluorescent member 50. The fluorescent member includes : a first phosphor 71 having a light emission peak wavelength in a range of 440 nm or more and 470 nm or less and including an alkaline-earth phosphate having Cl in its composition and activated by Eu; a second phosphor 72 having a light emission peak wavelength in a range of 500 nm or more and 530 nm or less and including a halogen-containing alkaline-earth silicate activated by Eu; a third phosphor 73 having a light emission peak wavelength in a range of 530 nm or more and 600 nm or less and including a rare earth aluminate activated by Ce; and a fourth phosphor 74 having a light emission peak wavelength in a range of 600 nm or more and 660 nm or less and including a silicon nitride having Al and at least one of Sr and Ca in its composition and activated by Eu.SELECTED DRAWING : Figure 2


您还没有登录,请登录后查看下载地址


反对 0举报 0 收藏 0 打赏 0评论 0
下载排行
网站首页  |  关于我们  |  联系方式  |  使用协议  |  版权隐私  |  网站地图  |  排名推广  |  广告服务  |  积分换礼  |  网站留言  |  RSS订阅  |  违规举报  |  京ICP备2021025988号-4