Patent ID: 11959334
Assignee: PILKINGTON GROUP LIMITED
Field: Civil engineering (Other fields)
Classification: CPC E  H  Y | IPC E  H

Claim 0:
1. A multifunctional glazing unit comprising:
a first sheet of glazing material comprising a first face and a second face;
a second sheet of glazing material comprising a first face and a second face;
a photovoltaic portion; and
a reflecting element;
wherein the first sheet of glazing material and the second sheet of glazing material are separated by a cavity that is a heat insulating cavity sealed by at least one spacer bar; and wherein the second faces of each sheet of glazing material face towards the cavity; and wherein the photovoltaic portion and the reflecting element are each positioned between the first sheet of glazing material and the second sheet of glazing material and the reflecting element is spaced apart from the second sheet of glazing material;
wherein the photovoltaic portion in direct contacts with the first sheet of glazing material;
wherein the photovoltaic portion comprises a transparent region, a bi-facial region, and at least one photovoltaic element;
wherein the reflecting element comprises an adjustable transparency reflecting element; and
wherein the reflecting element comprises a plurality of rotatable slats.