Patent ID: 6055088
Filing Date: 2000-04-25
Classification: B32B,B60J,C03C,E06B,G02F

Abstract:
A transparent glazing, comprising:at least one active layer, andat least one reflecting coating on said active layer,wherein said at least one active layer comprises at least one optically variable layer selected from the group consisting of an electrically controllable system and a photochromic system,wherein said reflecting coating acts as a heat filter or a thermal screen, and comprises at least one reflecting layer that comprises at least one member selected from the group consisting of Ag, Au, Cu, A1, Cr, Ni, Fe, Ta, Zn, Zr, Sn, In, Rh, Cd, TiN, ZrN, HfN, and a mixture thereof, andwherein said at least one active layer and said at least one reflecting layer are separated by at least one substrate layer, and(1) wherein said at least one active layer and said at least one reflecting layer is separated by a gas interlayer, or(2) wherein said electrically controllable system is laminated to a single transparent rigid carrier substrate, and wherein said glazing further comprises at least one other rigid substrate and a gas layer, wherein said gas layer is between the two rigid substrates, or(3) wherein said glazing comprises the following layers in the order sequence:glass/reflecting coating/sheet of bonding polymer/glass/electrically controllable system/glass/gas interlayer/glass.