National Chi Nan University

Kun-Shuan Huang

Tai-Ping Sun

Hsiu-Li Shieh

Ming-Chiao Shieh

An optical power stabilizing device is adapted to stabilize optical power of a light emitting device having a forward voltage, and includes a current generating circuit that generates a pulse-wave driving current to drive light emission of the light emitting device, an optical-type feedback circuit that outputs a first feedback voltage according to detected optical power of the light emitting device, an electrical-type feedback circuit that outputs a second feedback voltage according to the forward voltage, and a pulse wave generating circuit that generates a pulse-wave signal to control the current generating circuit according to one of the first feedback voltage and the second feedback voltage.

Growing community of inventors

Nantou, Taiwan

Kun-Shuan Huang