| 摘要 |
FIELD: electricity.SUBSTANCE: invention relates to the light-emitting device (100), having movable collimator block to regulate direction of the light output, emitted by the light-emitting device. The light-emitting device contains main block (110) and light output block (120) connected with main block. The light output block contains at least one light source (121) for light emitting. The light-emitting device additionally contains movable made collimator block (130) to regulate direction of the emitted light, located such that to cover the light output section (125) in the light output block.EFFECT: assurance of expansion of distribution of light intensity from surface of light output, increased efficiency of light sources cooling.10 cl, 14 dwg |
