Automatic Spectrum Control System Design and Implementation for RGB Light Emitting Diode
This paper designs an automatic spectrum control circuit when the temperature change the LED spectrum can maintain stably.Automatic spectrum control circuit has two control modes,one kind for red LED another kind for green and blue LED.When temperature increases that the LED spectrum are all toward long wavelength shift.When LED current increases,the R-LED spectrum to the long wavelength shift,the GB-LED spectrum to the short wavelength shitS,so at R-LED is to reduce the current as the automatic spectrum control circuit and the GB-LED is to increase the current as the automatic spectrum control circuit.It is confirmed that the proposed system provides stable spectrum within a temperature range of 10℃ at R-LED and a temperature range of 70℃ at GB-LED.
Automatic Spectrum Control Light Emitting Diode Wavelength Shift
Tai-Ping Sun Jia-Hao Li Kai-Yan Li
Department of Electrical Engineering,National Chi Nan University,Nantou,Taiwan(R.O.C.)
国际会议
济南
英文
539-543
2012-12-29（万方平台首次上网日期，不代表论文的发表时间）