Samsung Electro-mechanics Co., Ltd.

Mo Jeong Yang

Yu Jin Jang

Jin Soo Lee

In Jeong Cheon

An apparatus for driving a backlight unit including a lamp unit including a plurality of lamps includes an error amplifying unit configured to detect an error voltage between a feedback voltage corresponding to a current flowing to the lamp unit and a preset first reference voltage, a soft signal generation unit configured to generate a soft start signal of the lamp unit, a high-frequency signal driving signal generating unit configured to generate a high-frequency driving signal of the of the lamp unit, a high-frequency driving termination determining unit configured to generate a high-frequency driving termination signal when the error voltage is equal in voltage level to the soft start signal, and a high-frequency driving signal blocking unit configured to block the high-frequency driving signal in advance when the high-frequency driving termination signal is inputted.

Growing community of inventors

Seoul, South Korea

Mo Jeong Yang