发明名称 |
LED LIGHTING DEVICE AND SPOTLIGHT |
摘要 |
<P>PROBLEM TO BE SOLVED: To project two kinds of projection light, light for blurring edge of a projection window and light for definite projection, with no irregularity in color. <P>SOLUTION: An LED array part 12 condenses the light from a plurality of LED13 on a projection window 15 to generate a virtual light source. The focal point of a projection lens 16 coincides with the virtual light source where the light from the LED array part 12 condenses, and a diffuser plate fitting part 23 which allows the arrangement of a diffuser plate 17 to be provided between a focal point F2 of the projection lens 16 and the projection lens 16. <P>COPYRIGHT: (C)2009,JPO&INPIT |
申请公布号 |
JP2008269906(A) |
申请公布日期 |
2008.11.06 |
申请号 |
JP20070110050 |
申请日期 |
2007.04.19 |
申请人 |
TOSHIBA LIGHTING & TECHNOLOGY CORP |
发明人 |
MURATA ATSUYA;TOKUHARA NAOTO;TOYAMA TAKESHI;HANIYUDA ARIYOSHI |
分类号 |
F21S2/00;F21S10/00;F21V13/00;F21Y101/02 |
主分类号 |
F21S2/00 |
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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