| 发明名称 |
LIGHTING SYSTEM |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lighting system in which a desired light distribution can be easily obtained and also improvement in light irradiation efficiency can be attained. <P>SOLUTION: The lighting system uses a light-emitting module 26 having an LED element 29 as a light source. Since there is less heat contained in light from the LED element 29, a diffusion filter 44 which is formed of a resin or paper can be arranged detachably in the vicinity of the surface of a lens 43 between the light-emitting module 26 and the lens 43. <P>COPYRIGHT: (C)2012,JPO&INPIT |
| 申请公布号 |
JP2012022874(A) |
申请公布日期 |
2012.02.02 |
| 申请号 |
JP20100159614 |
申请日期 |
2010.07.14 |
| 申请人 |
NIPPON HOSO KYOKAI <NHK>;TOSHIBA LIGHTING & TECHNOLOGY CORP |
发明人 |
MIYANAGA KEISUKE;ABE JUNICHI;TAWARAZAKO KYOTA;YANAI NAOKI;HANYUDA YUMI;TOYAMA TAKESHI;TOKUHARA NAOTO |
| 分类号 |
F21S2/00;F21V3/02;F21V3/04;F21V14/00;F21V17/00;F21Y101/02 |
主分类号 |
F21S2/00 |
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