| 摘要 |
The invention relates to a lighting device for stimulating plant growth. The lighting device has a solid state light source (6), suitable for emitting light of at least one wavelength within a predetermined wavelength range. Furthermore, the solid state light source (6) is adapted for connection to an electrical network (10). The solid state light source is in contact with a cooling medium. This cooling medium has a temperature in a temperature range between -50 and 0°C. |
