| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve the function or beautiful appearance of window glass without damaging the original transparency of the window glass. <P>SOLUTION: Translucent or semi-translucent window glass 77 includes a front surface and a back surface facing each other across a thick part. A single or two or more optical fibers (light guide members) 79 for changing the intensity of light to be emitted corresponding to brightness change or position and direction relation with an external light source of the light made incident on the window glass 77 from the front surface side or the back surface side and emitting it as functional light or impression light Lo for improving the function or beautiful appearance of the window glass 77 are buried. <P>COPYRIGHT: (C)2012,JPO&INPIT |
