A plasma display panel and an imaging device realize a high luminous efficiency, a long lifetime and stable driving. The plasma display panel uses a discharge-gas mixture containing at least Xe, Ne and He. A Xe proportion of the discharge-gas mixture is in a range of from 2% to 20%, a He proportion of...http://www.google.se/patents/US7450090?utm_source=gb-gplus-sharePatent US7450090 - Plasma display panel and imaging device using the same
