| 摘要 |
PURPOSE: A lighting device including a light emitting diode and a color temperature controlling method using the same are provided to implement a sensitivity lighting function by controlling a color temperature and maintaining a high color rendering. CONSTITUTION: An operation mode selecting unit(110) includes a switching unit(112) and a mode signal generating unit(114). A light source unit(190) emits white light with a different CCT(Correlated Color Temperature). A lookup table stores a driving current value about each light source of the light source unit. A controller(130) generates a control signal corresponding to the intensity of the input current. A driver(170) supplies a driving current to each light source according to a control signal. |
