Patent 7241306 was granted and assigned to NEC Corporation on July, 2007 by the United States Patent and Trademark Office.
A narrow-band UV-B phototherapeutic device includes: a light source unit that includes a fluorescent lamp of planar structure that is the ultraviolet light source for emitting narrow-band UV-B; a power supply for causing the fluorescent lamp to emit light; and a control unit for controlling the light emission of the fluorescent lamp.