Flat Panel Display Substrates

The perfomance of advanced flat panel displays is intrinsically linked to critical properties of the substrate material. In the manufacture of active-matrix liquid crystal displays (AMLCDs) and some emissive displays, there are certain process steps that require extreme conditions such as strong chemical washes and temperatures in excess of 600 deg C. As a result, the glass subsrate used in these displays must be able to withstand these environments without degradation of its properties. This study focused on the thermal expansion characteristics of two different FED substrate glasses (field emission displays).