| 摘要 |
A lighting device is provided with an LED light source including a light bulb color LED, a blue LED, and a green LED. The light bulb color LED has a peak wavelength in the range from 580 to 630 nm and a half width at the peak wavelength in the range from 120 nm to 175 nm. The light bulb color LED is specified by Japanese Industrial Standard (JIS) 29112. The blue LED has a peak wavelength in the range from 450 nm to 480 nm. The green LED has a peak wavelength in the range from 500 nm to 530 nm. |
