HEAT TREATABLE COATED ARTICLE WITH ZIRCONIUM SILICON OXYNITRIDE LAYER(S) AND METHODS OF MAKING SAME

摘要

A coated article is provided so as to include a solar control coating having an infrared (IR) reflecting layer sandwiched between at least a pair of dielectric layers. The IR reflecting layer may be of or include NbZrO_x, NbZr, NiCr, NiCrN_x or the like in certain embodiments of this invention. In particular, a zirconium silicon oxynitride (e.g., ZrSiO_xN_y) inclusive layer is provided which unexpectedly improves blocking (reflecting and/or absorption) of UV radiation in a manner which does not significantly degrade other optical properties of a coated article. Moreover, the ZrSiO_xN₅, also has been found to improve (lower) the ?E* value upon heat treatment, thereby permitting a coated article when heat treated (HT) to more closely match its non-HT counterpart with respect to glass side reflective color after such HT.