Young Joo Yee

Backlight unit having light emitting diodes and method for manufacturing the same

Valve apparatus for controlling mass flow, manufacturing method thereof and heat exchanger using the same

Flow control valve and flow control valve apparatus using the same

Light source module with two wavelength

Optical device and light emitting diode package using the same, and backlight apparatus

Light emitting module, optical detecting module, optical pickup apparatus and manufacturing methods thereof

Micro-actuator, manufacturing method thereof, optical pickup head of optical recording/reproducing apparatus with micro-actuator and fabrication method thereof

Optical pickup head with micro-mirror

Near field optical recording/reproducing device

APPARATUS FOR TRANSMITTING AND RECEIVING SOUND