| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a display lamp capable of displaying conspicuous light-emission, simplifying a structure, and a prism capable of achieving the display lamp. <P>SOLUTION: The prism 1 is constructed by circularly arranging a plurality of sub-prisms 10 having a bottom face part 11, an outside face part 12, an inside face part 13 and an upper face part 14 in a manner that the outside face 12 faces outward and the inside face 13 faces inward respectively. Light emitting elements 2 are arranged under the bottom face part of respective sub-prisms 10, and lights can be emitted at least from the upper face part 14, the outside face part 12 or the inside face part 13. A display lamp A comprises the prism 1; the light-emitting body 2 disposed under a prism bottom face 1A provided by the bottom face part 11 of the sub-prism 10 of the prism 1; and a light-on/off control device 3 for lighting on/off the light-emitting body 2. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
