| 摘要 |
An illuminating tile unit 101 comprising a cavity 103 in a wall 105 and an at least partially transparent tile 113, and a light source 107, such as an LED, wherein the light source 107 is operable to emit light which permeates through and illuminates the tile 113. The unit 101 may further comprise a light modification medium (213, fig.2; 323, fig.3) in place of the tile 113 for refracting, diffusing or focusing the emitted light. |
