| 摘要 |
The unit has a light source with an LED (1) and a lens (6'), which lies in an optical axis (5) of the LED and comprises a longitudinal axis (8). The lens is perpendicularly displaced to the optical axis and comprises a circular cross-section in a plane, where the optical axis lies in the plane. The lens comprises a cylindrical form over a predetermined length. An LED chip of the LED comprises a rectangular form. A transparent body is arranged at an optical path after the lens. Cylindrical lenses with parallel longitudinal axes are arranged in two positions in the optical path. |
