delamination of the liquid crystal material further fusible seal 155 provides a good barrier against humidity and has a high glass transition temperature while a fusible seal may require a higher curing temperature localized fusing of the fusible seal as discussed in the above referenced application may be utilized localized heating may also be used in conjunction with more conventional sealant materials after the transparent plate and the die are properly sealed with a hybrid seal the lcd device may be mounted on a substrate fig8 illustrates a mounted lcd device 110 in accordance with an embodiment of the present invention mounted lcd device 110 includes the lcd device 112 of fig5 attached to a substrate 180 the effects of heating and warping may be further alleviated by processing the lcd device after being mounted on a substrate any suitable substrate material may be utilized in accordance with the present invention by way of example aluminum silicon alumina ceramic and aluminum nitride may be used in one embodiment an aluminum substrate adds further stability to hybrid seal 147 during heating and or handling in another embodiment a cavity is formed within the substrate the cavity helps to provide greater stability and prevents warping of the lcd device the use of substrates and substrates with cavities are discussed in further detail in u s patent application ser no 09 130 631 entitled u201c liquid crystal display assembly and method for reducing residual stresses u201d by ranjan j mathew and seshadri vikram attorney docket no nsc1p116 filed aug 6 1998 which is incorporated herein by reference in addition to placing the lcd device on a substrate another seal may be applied to the lcd device in conventional lcd devices a glob coating is placed.