| 摘要 |
The device has a radiator housing (2) with a light outlet opening (3), a light source in the housing and an arrangement for controlling the color of the light formed on a target surface. The light source is a LED matrix (4) with a number of LEDs divided into at least two groups whose. LEDs emit light of different colors. Control electronics (7) operate different LED groups with mutually independent variable operating voltages. AN Independent claim is also included for the following: a method of illuminating a target surface with changing colors. |
