| 摘要 |
An LED lamp includes a heat dissipator having two ends, a module substrate which is fixed to one end of the heat dissipator and on which an LED chip is mounted, a cap mounted via a cylindrical insulator on the other end of the heat dissipator, a lighting circuit which is disposed in the heat dissipator and/or the cap to supply electric power to the LED chip, the lighting circuit being electrically connected to the cap, and a dimming volume having a rotating shaft and variably adjusting an amount of light or a color temperature of the LED chip according to an amount of rotation of the rotating shaft, the rotating shaft being operably mounted on the heat dissipator or the insulator. |
