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
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