Glazing with heat flux sensor and/or methods of making the same

Patent metadata

Field	Value
Publication number	US-9951552-B2
Application number	US-201514721163-A
Country	US
Kind code	B2
Filing date	May 26, 2015
Priority date	May 26, 2015
Publication date	Apr 24, 2018
Grant date	Apr 24, 2018

Abstract

Certain example embodiments relate to a glazing assembly including a first glass substrate. A radiation shield covering, directly or indirectly, at least a part of a peripheral edge area of the first glass substrate. A dual junction solid-state heat flux sensor includes a first junction oriented in the assembly at a first location at which radiation from a radiation source is receivable through the first glass substrate; a second junction oriented in the assembly at a second location that is blocked from the radiation source by the radiation shield; and circuitry configured to generate a signal based on a differential between transduced voltages respectively generated at the first and second junctions. A control module may be configured to receive the signal and selectively generate an action responsive thereto.

First claim

What is claimed is:

1. A switchable window glazing assembly, comprising:
a switchable window including a first glass substrate and a second glass substrate;
a radiation shield covering, directly or indirectly, at least a part of a peripheral edge area of the first glass substrate; and
a dual junction solid-state heat flux sensor, comprising:
a first junction oriented in the assembly at a first location at which radiation from a radiation source is receivable through the first glass substrate,
a second junction oriented in the assembly at a second location that is blocked from the radiation source by the radiation shield, and
circuitry configured to generate a signal based on a differential between transduced voltages respectively generated at the first and second junctions, so that the assembly is configured to adjust transmission of the switchable window based on the signal that is based on the differential by adjusting voltage applied to a liquid crystal layer provided between the first and second glass substrates.

2. The assembly of claim 1 , further comprising a control module configured to receive the signal and selectively generate an action responsive thereto.

3. The assembly of claim 2 , wherein the action corresponds to the activation or deactivation of a switchable product.

4. The assembly of claim 3 , wherein the switchable product includes a polymer-inclusive liquid crystal layer.

5. The assembly of claim 2 , wherein the control module includes a memory, the memory storing information about the received signal.

6. The assembly of claim 2 , wherein the control module includes a memory, the memory storing information about when actions are to be taken and one or more conditions that trigger each of the actions.

7. The assembly of claim 1 , wherein the radiation shield includes a frame or sash.

8. The assembly of claim 1 , wherein the radiation shield includes black frit.

Assignees

• Guardian Glass Llc

Inventors

• Veerasamy Vijayen

Classifications

• E06B3/6722 Primary

  with adjustable passage of light · CPC title

• E06B9/24

  Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; {Slat blinds}(operating, guiding or securing devices or arrangements for roll-type closures E06B9/56; free-hanging flexible screens A47H23/00) · CPC title

• G02F1/13306 Primary

  Circuit arrangements or driving methods for the control of single liquid crystal cells (G02F1/132, G02F1/133382 take precedence) · CPC title

• G02F1/1334

  based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals · CPC title

• B32B17/06 Primary

  comprising glass as the main or only constituent of a layer, next to another layer of a specific {material} · CPC title