20090257225 | Method and device for lamp having multiple light illuminating angles - This invention provides a method and a device for lamp having multiple illuminating angles. The inner surface of the lamp shade have a plurality of locating faces arranged with different angle all round the inner surface of the lamp shade, the light emitting diodes or other illuminating elements being installed respectively on the locating faces. Each light emitting diode can emit light perpendicularly with its locating face so as to control the illuminating angle and scope of lamp. | 10-15-2009 |