| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a luminaire used as a substitute light source for a round fluorescent lamp, and small in environmental burdens. <P>SOLUTION: The EL luminaire uses, as a power source, a battery housed in a tube having the same shape as that of a round fluorescent lamp, makes both surfaces of EL of a diffusion surface light source arranged on the front and back curved surfaces of the tube and excelling in luminous efficiency emit light at the same time or makes only one surface thereof emit light separately, and is characterized by being repeatedly used, having a long service life and being small in environmental burden. <P>COPYRIGHT: (C)2010,JPO&INPIT |
