| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a straight-tube type LED illumination lamp that can improve its brightness. <P>SOLUTION: In the straight-tube type LED illumination lamp 10 having an LED board 11 having a plurality of LEDs 12 arrayed, a heat radiation pipe 21 for fixing the LED board 11, and a light diffusion cover 25 mounted on the heat radiation pipe 21 and covering the LED board 11, reflecting walls 21e of the heat radiation pipe 21 are formed on both sides of the mounting surface of the LED board 11. <P>COPYRIGHT: (C)2013,JPO&INPIT |
