Vehicle window, glass structure and adjustment method thereof

Patent metadata

Field	Value
Publication number	US-11524558-B2
Application number	US-201917056691-A
Country	US
Kind code	B2
Filing date	Sep 25, 2019
Priority date	Oct 23, 2018
Publication date	Dec 13, 2022
Grant date	Dec 13, 2022

Abstract

A glass structure includes a glass body; a modulating unit coupled to the glass body to modulate optical characteristics of the glass structure; an interaction unit coupled to the glass body to provide an adjusting signal indicating an execution of adjusting the optical characteristics of the glass structure; and a control unit coupled to the modulating unit and the interaction unit respectively, the control unit being configured to receive the adjusting signal from the interaction unit and to control the modulating unit to modulate the optical characteristics of a target region of the glass structure in response to the adjusting signal. The interaction unit and the modulating unit are isolated from each other by a filling material having a transmittance equal to or greater than about 50%, a relative permittivity equal to or less than about 10, and a thickness equal to or greater than about 50 μm.

First claim

The invention claimed is:

1. A glass structure comprising:
a glass body;
a modulating unit coupled to the glass body and configured to modulate optical characteristics of the glass structure;
an interaction unit coupled to the glass body and configured to provide an adjusting signal which indicates an execution of adjusting the optical characteristics of the glass structure; and
a control unit coupled to the modulating unit and the interaction unit respectively, the control unit being configured to receive the adjusting signal from the interaction unit and to control the modulating unit to modulate the optical characteristics of a target region of the glass structure in response to the adjusting signal;
wherein the interaction unit and the modulating unit are isolated from each other by a filling material arranged therebetween, a transmittance of the filling material is equal to or greater than about 50%, the relative permittivity of the filling material being equal to or less than about 10, and the thickness of the filling material being equal to or greater than about 50 μm,
wherein the glass structure further comprises:
a detecting unit configured to detect environmental parameters and to provide a detection signal, which indicates the environmental parameters, to the control unit,
wherein the control unit is further configured to determine whether a first condition, which is adapted to indicate that the interaction unit is disabled, is satisfied,
if the result of the determining step for the first condition is negative, the control unit controls the modulating unit to modulate the optical characteristics of the target region of the glass structure in response to the adjusting signal; and
if the result of the determining step for the first condition is affirmative, the control unit controls the modulating unit to modulate the optical characteristics of the target region of the glass structure in response to the detection signal.

2. The glass structure according to claim 1 , wherein in the condition that the control unit determines that the first condition is satisfied, the control unit is further configured to determine whether a second condition, which is adapted to indicate that the interaction unit is enabled, is satisfied,
if the result of the determining step for the second condition is negative, the control unit controls the modulating unit to modulate the optical characteristics of the target region of the glass structure in response to the detection signal, and
if the result of the determining step for the second condition is affirmative, the control unit controls the modulating unit to modulate the optical characteristics of the target region of the glass structure in response to the adjusting signal.

3. The glass structure according to claim 1 , wherein the modulating unit further comprises an electronically-controlled dimming unit, and
the control unit is configured to in response to the adjusting signal, apply an electrical signal to the electronically-controlled dimming unit to change the optical characteristics of the electronically-controlled dimming unit such that the optical characteristics of the target region of the glass structure are adjusted.

4. The glass structure according to claim 3 , wherein the control unit is configured to execute at least one of:
applying an electrical signal which is varied continuously to the electronically-controlled dimming unit such that the optical characteristics of the target region of the glass structure are adjusted continuously;
applying an electrical signal which is varied in a stepwise manner to the electronically-controlled dimming unit such that the optical characteristics of the target region of the glass structure are adjusted in the stepwise manner; and
applying an electrical signal with a predetermined amplitude to the electronically-controlled dimming unit such that that the optical characteristics of the target region of the glass structure are adjusted to the predetermined amplitude.

5. The glass structure according to claim 3 , wherein the electronically-controlled dimming unit comprises one or more of a polymer dispersed liquid crystal (PDLC) unit, a suspended particle device (SPD) unit and an electrochromism (EC) unit.

6. The glass structure according to claim 5 , wherein an edge of the electronically-controlled dimming unit is sealed by an isolation material, and
the isolation material is selected from one or more of polyethylene terephthalate (PET), polyvinyl chloride (PVC), polyethylene (PE) and poly tetra fluoroethylene (PTFE).

7. The glass structure according to claim 1 , wherein the glass body comprises a first glass substrate and a second substrate, and
the modulating unit and the interaction unit are arranged between the first glass substrate and the second substrate.

8. The glass structure according to claim 7 , wherein the glass structure further comprises:
a first adhesive layer arranged between the first glass substrate and the modulating unit; and
a second adhesive layer arranged between the second glass substrate and the interaction unit.

9. The glass structure according to claim 8 , wherein
a portion or the entire of the first adhesive layer is tinted; and/or
a portion or the entire of the second adhesive layer is tinted.

10. The glass structure according to claim 1 , wherein the interaction unit comprises any one or more of a touching device, an optical sensor, a gesture sensor, an audio sensor, an operation button and an operating handle.

11. The glass structure according to claim 1 , wherein the detecting unit comprises any one or more of an optical sensor and a temperature sensor.

12. The glass structure according to claim 1 , wherein the first condition to be satisfied comprises any one or more of:
a first triggering signal, which indicates that the interaction unit is disabled, is received from the interaction unit;
a detection signal, the intensity of which reaches a predetermined intensity, is received from the detecting unit; and
the adjusting signal for a predetermined period is not received from the interaction unit.

13. The glass structure according to claim 2 , wherein the second condition to be satisfied comprises:
a second triggering signal, which indicates that the interaction unit is enabled, is received from the interaction unit.

14. The glass structure according to claim 1 , wherein the optical characteristics of the glass structure comprise one or more of a haze of the glass structure, a transmittance of the glass structure and a tint of the glass structure.

15. A glass structure comprising:
a glass body;
a modulating unit coupled to the glass body and configured to modulate optical characteristics of the glass structure;
an interaction unit coupled to the glass body and configured to provide an adjusting signal which indicates an execution of adjusting the optical characteristics of the glass structure; and
a first interface configured to couple with a control unit, and the control unit being configured to receive an adjusting signal from the interaction unit and to control the modulating unit to modulate the optical characteristics of a target region of the glass structure in response to the adjusting signal;
wherein the interaction unit and the modulating unit are isolated from each other by a filling material arranged therebetween, a transmittance of the filling material is equal to or greater than about 50%, the relative permittivity of the filling material being equal to or less than about 10, and the thickness of the filling material being equal to or greater than

Assignees

• Saint Gobain

Inventors

• Guo Xiaofeng
• Ma Siteng

Classifications

• G02F1/13306

  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

• B60J3/04 Primary

  adjustable in transparency · CPC title

• G02F2203/48

  Variable attenuator · CPC title

• G02F1/163 Primary

  Operation of electrochromic cells, e.g. electrodeposition cells; Circuit arrangements therefor · CPC title