The invention relates to a light emitting treatment device including one or more light members which are configured to emit energy for photodynamic therapy at a treatment field. The treatment device may be made of a polymeric material configured to conform to a body surface. The light members may be...http://www.google.com/patents/US20030009205?utm_source=gb-gplus-sharePatent US20030009205 - Treatment device for topical photodynamic therapy and method of using same
