照明用光源及び照明装置

摘要

PROBLEM TO BE SOLVED: To provide a light source for illumination and an illumination device which allow for fixing an optical member, such as a lens, without damaging the optical member.;SOLUTION: An LED bulb 1 (light source for illumination) includes a substrate 11, a light emitter 12 arranged on the substrate 11, a lens 20 which controls distribution of light emitted from the light emitter 12, and a screw 30 for fixing the lens 20. The lens 20 is arranged with the lens 20 having play with respect to the screw 30.;SELECTED DRAWING: Figure 3;COPYRIGHT: (C)2019,JPO&INPIT