| 摘要 |
Optical display containing one or more shaped articles and a light source. The shaped articles consist of a transparent or semitransparent plastic. The plastic contains one or more fluorescent substances. One or more light sources are arranged in such a way that their light is applied to the surface of the shaped article at particular regions of it and propagates through the shaped article. The shaped article contains means for controlled light output, so that the light can be output from the shaped article in a controlled way at quite particular regions on the surface of the shaped article. |
