Looking directly at the Sun causes phosphene visual artifacts and temporary partial blindness. This phenomenon, which is known as a Phosphene, is the visual perception of flickering light. They can be a form of phosphene. He holds several patents in phosphene based video display technology and energy management. This was followed by the use of Phosphene Gas, also introduced by the Germans. The band's third album, Phosphene Dream, was released on September 14, 2010. A phosphene is the phenomenon of seeing light without light actually entering the eye. The word "phosphene" comes from the Greek words "phos" (light) and "phainein" (to show).