A display panel and a light source device used therein are provided. The display panel includes a light-guide thin-film circuit substrate, a light source and a polarizing layer. The light-guide thin-film circuit substrate has a light entrance end and a light exit top surface, and the light source is...http://www.google.de/patents/US8096696?utm_source=gb-gplus-sharePatent US8096696 - Display panel and a light source used therein
