| 摘要 |
An optical unit, in particular for an optical module, comprising: at least one first and one second mutually distant luminous sources, at least one convergent multifocal lens, comprising at least one undulated face, the undulated face comprising at least three distinct portions, two of these portions being focused substantially on the first luminous source and the other portion being positioned between these two portions and being focused substantially on the second luminous source. |
