发明名称 |
LED illumination device |
摘要 |
An LED illumination device includes: a substrate; one or more red LED chips arranged on the substrate; a plurality of blue LED chips arranged on the substrate; and a plurality of third-color LED chips arranged on the substrate. Respective centers of the red LED chips are arranged on a circumference of a first circle having as its center a point on the substrate, respective centers of the blue LED chips being arranged on the circumference of a second circle concentric with and greater than the first circle, respective centers of the third-color LED chips being arranged in a region between the first circle and the second circle. |
申请公布号 |
EP2233819(A1) |
申请公布日期 |
2010.09.29 |
申请号 |
EP20100003162 |
申请日期 |
2010.03.24 |
申请人 |
PANASONIC ELECTRIC WORKS CO., LTD. |
发明人 |
SHIRAKAWA, TOMOKI;MATSUBAYASHI, YOKO |
分类号 |
F21K99/00;F21Y101/02;G02F1/13357;H01L25/075;H01L33/00;H04N9/30 |
主分类号 |
F21K99/00 |
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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