| 摘要 |
PROBLEM TO BE SOLVED: To reduce grainy feeling of LEDs in an LED lamp.SOLUTION: A lighting lamp includes: a cylindrical lamp tube 51 which transmits light; a light emitting part 60 which is attached to the interior of the lamp tube 51 and on which multiple light emitting diodes (LEDs 54) are mounted; and a diffuser panel 55 which is attached to the interior of the lamp tube 51, diffuses light from the LEDs 54, and is made of glass. The diffuser panel 55 is a light transmissive glass plate on which surface treatment for light diffusion is performed. The lamp tube 51 includes a pair of tube wall holding parts 61 which are formed in a longitudinal direction of a tube inner wall, and both sides of the diffuser panel 55 are held by the pair of tube wall holding parts 61. |
