发明名称 |
LED lamp provided with optical diffusion layer having increased thickness and method of manufacturing thereof |
摘要 |
An LED lamp according to the present invention includes: at least one LED chip 12 that is mounted on a substrate 11; a phosphor resin portion 13 that covers the LED chip 12; a lens 22 to act on the outgoing light of the phosphor resin portion 13; and an optical diffusion layer (light-transmissive resin portion 20), which is arranged between the phosphor resin portion 13 and the lens 22 and in which particles to scatter the light are dispersed. |
申请公布号 |
US7514867(B2) |
申请公布日期 |
2009.04.07 |
申请号 |
US20050582329 |
申请日期 |
2005.04.08 |
申请人 |
PANASONIC CORPORATION |
发明人 |
YANO TADASHI;TAKAHASHI KIYOSHI;SHIMIZU MASANORI |
分类号 |
H05B33/00;F21Y101/02;H01L33/32;H01L33/50;H01L33/54;H01L33/56;H01L33/60;H01L33/62 |
主分类号 |
H05B33/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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