| 摘要 |
A light engine that includes light emitting diodes mounted on a printed circuit board, which in turn is attached to a heat sink. An optic assembly is positioned over the printed circuit board to direct the emitted light as desired. The light engine can be positioned. within the ceiling within the opening of a mounting frame. In some embodiments, the light engine is retained on the mounting frame such that it can be moved clear of the mounting frame opening. |
