| 摘要 |
An LED-based optical system and a method of compensating for aging thereof are provided. The LED-based optical system includes LED blocks (10-1, 10-N) composed of a predetermined number of LEDs; a sensor (50) which senses output values of the respective LED blocks (10-1, 10-N); and a control block (30) which generates compensation rates by comparing initial output values of the respective LED blocks (10-1, 10-N) in an initial state with comparison output values of the LED blocks (10-1, 10-N) sensed by the sensor (50) at a comparison time point, and controls current being supplied to the respective LED blocks (10-1, 10-N) in accordance with the compensation rates. |
