IP Library Granted Patent US 10,705,402
Granted Patent B2
US 10,705,402 · App. 15/903,620 · Granted Jul 7, 2020

Electronic window array

Inventors: David Michael Whittingham (Bothell, WA); Douglas James Barker (Seattle, WA); Sarah Elizabeth Thompson (Freeland, WA)
Assignee: The Boeing Company
G02F1/1533B64C1/1484G02F1/163
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Quick Facts
Patent No.
US 10,705,402
App. No.
15/903,620
Granted
Jul 7, 2020
Kind
B2
Abstract

Methods, systems and apparatuses are presented for controlling ambient light transmission through electrochromic devices comprising a plurality of dimmable zones.

Claims (47)

1. An electrochromic device comprising:

a first transparent substrate having a first transparent substrate outer surface and a first transparent substrate inner surface;

a first conductive layer disposed on the first transparent substrate inner surface;

a second transparent substrate having a second transparent substrate inner surface and a second transparent substrate outer surface;

a second conductive layer disposed on the second transparent substrate inner surface;

an electrochromic medium disposed between the first conductive layer and the second conductive layer;

wherein one of the first conductive layer and second conductive layer comprises a plurality of conductive segments;

an electrical contact in communication with each conductive segment of the plurality of conductive segments, said electrical contact in communication with a power source;

wherein each conductive segment of the plurality of conductive segments is configured to separately form a dimmable zone substantially adjacent to the conductive segment in the electrochromic medium when power a current is supplied to the conductive segment from the power source; and

wherein the dimmable zone is configured to block an amount of ambient light transmissivity through the device in an amount ranging from about 40% to about 99.99%.

2. The device of claim 1 , wherein each conductive segment is configured to contact a separate electrical circuit.

3. The device of claim 1 , wherein at least one conductive segment is bounded by a perimeter, said perimeter comprising a substantially non-conductive material.

4. The device of claim 1 , wherein each dimmable zone comprises an initial light transmissivity value, said light transmissivity value ranging from about 0.01% to about 60%.

5. A window comprising the electrochromic device of claim 1 .

6. A vehicle comprising the window of claim 5 .

7. An aircraft comprising the window of claim 6 .

8. The electrochromic device of claim 1 , wherein a controlled electrical current is delivered from the power source to at least one conductive segment.

9. The electrochromic device of claim 8 wherein the second transparent substrate comprises a plurality of conductive segments.

10. A window comprising the electrochromic device of claim 9 .

11. A vehicle comprising the window of claim 10 .

12. An aircraft comprising the window of claim 11 .

13. A method for forming an electrochromic device, said method comprising;

providing a first substrate and a second substrate;

disposing a first transparent conductive layer onto the first substrate; and

removing a portion of the transparent conductive layer from the first substrate to define a plurality of conductive segments in the first transparent conductive layer;

electrically contacting each conductive segment of the plurality of conductive segments with a separate electrical contact, said separate electrical contact in communication with a power source;

wherein each conductive segment of the plurality of conductive segments is configured to separately form a dimmable zone substantially adjacent to the conductive segment in the electrochromic medium when power a current is supplied to the conductive segment from the power source; and

wherein each dimmable zone is configured to block an amount of ambient light transmissivity through the device in an amount ranging from about 40% to about 99.99%.

14. The method of claim 13 further comprising:

coupling an electrical circuit to each of the conductive segments.

15. The method of claim 13 , wherein the portion of transparent conductive layer is removed by applying energy from a laser to the first transparent conductive layer.

16. The method of claim 13 , wherein the portion of the transparent conductive layer is removed by a method comprising at least one of: electro ablation, mechanical ablation; thermal ablation; chemical etching; and chemical peeling.

17. A method for controlling transmissivity of light through a substantially transparent medium, the method comprising:

orienting an electrochromic device proximate to the transparent medium, said electrochromic device comprising:

a first transparent substrate having an outer surface and an inner surface;

a first conductive layer disposed on the inner surface of the first transparent substrate;

a second transparent substrate having an inner surface and an outer surface;

a second conductive layer disposed on the inner surface of the second transparent substrate;

an electrochromic medium disposed between the first conductive layer and the second conductive layer, said electrochromic medium having an initial light transmissivity value;

wherein one of the first conductive layer and second conductive layer comprises a plurality of conductive segments;

wherein each conductive segment is configured to separately form at least one dimmable zone substantially adjacent to the conductive segment in the electrochromic medium; and

wherein each dimmable zone is configured to block an amount of ambient light transmissivity through the device in an amount ranging from about 40% to about 99.99%;

directing individually an electric current from a power source individually to at least one of the plurality of discrete conductive segments, controlling individually the current directed to at least one of the plurality of conductive segments;

controlling individually transmissivity of light through the electrochromic device by changing individually the initial light transmissivity value of at least one of a plurality of dimmable zones to a desired light transmissivity value ranging from about 60% light transmissivity to about 0.01% light transmissivity.

18. The vehicle of claim 6 , wherein the vehicle is selected from the group consisting of: a train, an automobile, a bus, a tram, a watercraft, and a spacecraft.

19. The method of claim 17 further comprising:

coupling an electrical circuit to each of the conductive segments.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 23, 2018
From: WHITTINGHAM, DAVID MICHAEL; BARKER, DOUGLAS JAMES; THOMPSON, SARAH ELIZABETH
To: THE BOEING COMPANY
Reel/Frame 045431/0508 →
Continuity (1)
Related Publication 20190265570A1 · Aug 29, 2019
Cited By (3)
US 12,194,569 US 12,229,518 US 12,280,865