Seok-Ho Song

Learn More
BACKGROUND The increase in demand for registered nurses will exceed supply by 29% by 2020, which is due in part to difficulties in retaining the existing nursing workforce. The researchers postulated that nursing professionals are experiencing a higher level of job dissatisfiers than motivators, and this is causing a high percentage of nurses to consider(More)
A novel LED backlight unit implementing a light guide plate (LGP) with a two-dimensional array of grating micro-dots is proposed. By optimizing grating-vector orientations of local gratings and applying suitable grating-depth modulation in the array, taking into consideration of the radiation pattern of the LED source, uniform out-coupled light distribution(More)
  • 1