| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a signal light easily recognized by color-sense abnormal person. <P>SOLUTION: A plurality of LEDs 1 two-dimensionally arranged, a well-type container part 6 containing each of the plurality of LEDs 1, a plurality of shell-type lens media each irradiating light output from the LEDs contained in the container 6 from an outside tiptop, and a fixing means for two-dimensionally fixing the plurality of lens media 4 are provided, of which, the lens media 4 has an outer periphery part continued to the outside tiptop, the container part 6, fitted to an inside of the lens media from its bottom part toward its outside tiptop, is provided with a cylindrical side wall part 5 and a ceiling part 2 connected to the side wall part 5, with an outer diameter 2r<SB>e</SB>of an outer periphery part of the lens medium 4 of three times or more and ten times or less of an inner diameter 2r<SB>i</SB>of the container part 6. <P>COPYRIGHT: (C)2007,JPO&INPIT |
