Patent ID: 7262432
Filing Date: 2007-08-28
Classification: G02F,H01L

Abstract:
1. A cellular phone having a display device, the display device comprising: a semiconductor layer formed over a substrate: a first insulating film formed over the semiconductor layer, the first insulating film comprising a silicon nitride oxide film having a hydrogen concentration of at least 1 atomic % to less than 30 atomic % and a nitrogen concentration of at least 10 atomic % to less than 25 atomic %; and a second insulating film formed on the first insulating film, the second insulating film comprising a silicon nitride oxide film having a hydrogen concentration of at least 1 atomic % to less than 30 atomic % and a nitrogen concentration of at least 10 atomic % to less than 25 atomic %, or a silicon nitride film having a hydrogen concentration of at least 1 atomic % to less than 30 atomic %.