APPARATUS FOR CONTROLLING DRIVING OF LIGHTING-EMITTING DIODE AND METHOD OF PROVIDING CONTROL SIGNAL THEREOF

摘要

The control apparatus of the present invention determines a motion state of an object and provides an IRLED switching control signal suitable for the motion state in an apparatus for sensing/recognizing a motion of the object by using an infrared light-emitting diode (IRLED) and a photodiode (PD). Such a control apparatus is an LED driving control apparatus, and includes a motion velocity generating unit, a previous section average value generating unit, a state value generating unit, a control unit, and an LED switching control signal generating unit.

主权项

1. An apparatus for controlling the driving of a light-emitting diode (LED), the apparatus comprising:
a motion velocity generating unit receiving an input signal to generate a motion velocity signal; a previous section average value generating unit comparing input signals received in previous sections to generate a previous section average value; a state value generating unit generating a motion state value for the input signal based on the previous section average value and settings for determination of a motion state of the object; a control unit applying the settings to the state value generating unit, wherein the control unit receives the motion velocity signal and the motion state value and generates a frequency value of a switching control signal; and an LED switching control signal generating unit generating an LED switching control signal in response to the frequency value of the switching control signal, wherein the LED switching control signal generating unit applies a generated signal to a driving unit driving an LED.