Sanghyun Cha

According to our database, Sanghyun Cha authored at least 3 papers between 2008 and 2012.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2012

AC/DC converter free LED driver for lightings.

Sanghyun Cha, Deukhee Park, Yuenjoong Lee, Changseok Lee, Joongho Choi, Jaeshin Lee, Hyobum Lee

Proceedings of the IEEE International Conference on Consumer Electronics, 2012

2010

A highly accurate piezoelectric actuator driver IC for auto-focus in camera module of mobile phone.

Chanwoo Park, Sanghyun Cha, Yuenjoong Lee, Ohjo Kwon, Deukhee Park, Kyoungsoo Kwon, Jaeshin Lee

Proceedings of the International Symposium on Circuits and Systems (ISCAS 2010), May 30, 2010

2008

A piezoelectric actuator driver circuit for automatic focusing of mobile phone cameras.

Sangduk Yu, Kichang Jang, Sanghyun Cha, Yeonjung Lee, Ohjo Kwon, Kyoungsoo Kwon, Joongho Choi

Proceedings of the International Symposium on Circuits and Systems (ISCAS 2008), 2008