Controlling transitions in optically switchable devices
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G02F-001/153
G02F-001/163
E06B-009/24
G09G-003/19
G02F-001/00
G02F-001/15
E06B-003/67
G02F-001/01
출원번호
US-0489414
(2014-09-17)
등록번호
US-9778532
(2017-10-03)
발명자
/ 주소
Pradhan, Anshu A.
출원인 / 주소
View, Inc.
대리인 / 주소
Weaver Austin Villeneuve & Sampson LLP
인용정보
피인용 횟수 :
3인용 특허 :
80
초록▼
The embodiments herein relate to methods for controlling an optical transition in an optically switchable device, and optically switchable devices configured to perform such methods. In various embodiments, non-optical (e.g., electrical) feedback is used to help control an optical transition. The fe
The embodiments herein relate to methods for controlling an optical transition in an optically switchable device, and optically switchable devices configured to perform such methods. In various embodiments, non-optical (e.g., electrical) feedback is used to help control an optical transition. The feedback may be used for a number of different purposes. In many implementations, the feedback is used to control an ongoing optical transition.
대표청구항▼
1. A method of maintaining substantially matching tint levels or tint rates in a plurality of electrochromic (EC) windows, the method comprising: (a) probing the plurality of EC windows to determine an electrical response for each window, each electrical response having a magnitude;(b) analyzing the
1. A method of maintaining substantially matching tint levels or tint rates in a plurality of electrochromic (EC) windows, the method comprising: (a) probing the plurality of EC windows to determine an electrical response for each window, each electrical response having a magnitude;(b) analyzing the magnitude of the determined electrical responses for the plurality of EC windows;(c) based on the magnitudes of the determined electrical responses, scaling a voltage or current applied to one or more of the plurality of EC windows to thereby match the tint levels or tint rates in each of the plurality of EC windows. 2. A method of transitioning a plurality of electrochromic (EC) windows at substantially matching tint rates, the method comprising: (a) determining a transition time over which the plurality of EC windows are to be transitioned from a starting optical state to an ending optical state, wherein the transition time is based, at least in part, on a minimum time over which a slowest transitioning window in the plurality of EC windows transitions from the starting optical state to the ending optical state;(b) applying one or more drive conditions to each of the windows in the plurality of windows, wherein the one or more drive conditions applied to each window are sufficient to cause each window to transition from the starting optical state to the ending optical state within the transition time. 3. The method of claim 2, further comprising: while applying the one or more drive conditions: probing the plurality of EC windows to determine an electrical response for each window,measuring the electrical response for each window,determining whether the electrical response for each window indicates that the window will reach the ending optical state within the transition time, and if it is determined that the window will reach the ending optical state within the transition time, continuing to apply the driving conditions to reach the ending optical state, andif it is determined that the window will not reach the ending optical state within the transition time, increasing a voltage and/or current applied to the window to thereby cause the window to reach the ending optical state within the transition time. 4. The method of claim 3, further comprising: when determining whether the electrical response for each window indicates that the window will reach the ending state within the transition time, if it is determined that the window will reach the ending optical state substantially before the transition time, decreasing a drive voltage and/or current applied to the window to thereby cause the window to reach the ending optical state at a time closer to the transition time than would otherwise occur without decreasing the drive voltage and/or current. 5. The method of claim 2, wherein the transition time is based, at least in part, on a size of a largest window in the plurality of EC windows. 6. The method of claim 5, further comprising defining the plurality of EC windows to be transitioned based on one or more criteria selected from the group consisting of: pre-defined zones of windows, instantaneously-defined zones of windows, window properties, and user preferences. 7. The method of claim 6, wherein defining the plurality of EC windows to be transitioned comprises determining a first plurality of EC windows and determining a second plurality of EC windows, wherein the transition time determined in (a) is a first transition time over which the first plurality of EC windows are to be transitioned, and wherein the transition time in (b) is the first transition time, and further comprising: (c) after beginning to apply the one or more drive conditions in (b) and before the first plurality of EC windows reaches the ending optical state, determining a second transition time over which the second plurality of EC windows are to be transitioned to a third optical state, wherein the third optical state may be the starting optical state, the ending optical state, or a different optical state, wherein the second transition time is based, at least in part, on a minimum time over which a slowest transitioning window in the second plurality of EC windows transitions to the third optical state, and(d) applying one or more drive conditions to each of the windows in the second plurality of EC windows, wherein the one or more drive conditions applied to each window are sufficient to cause each window to transition to the third optical state substantially within the second transition time. 8. The method of claim 2, wherein each window in the plurality of EC windows comprises a memory component comprising a specified transition time for that window, and wherein (a) comprises comparing the specified transition time for each window in the plurality of EC windows to thereby determine which window is the slowest transitioning window in the plurality of EC windows.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (80)
Sjursen Walter P., Apparatus for controlling an electrochromic device.
Anoop Agrawal ; Juan Carlos Lopez Tonazzi ; Robert LeCompte ; John Cronin ; Steve Kennedy ; Kevin McCarthy ; Matthew Denesuk ; Gimtong Teowee, Busbars for electrically powered cells.
Popat Pradeep P. (1515 S. Jefferson Davis Hwy. ; Apt. 1321 Arlington VA 22202), Dual-mode automatic window covering system responsive to AC-induced flicker in ambient illumination.
Bechtel Jon H. ; Turnbull Robert R. ; Tonar William L. ; Anderson John S. ; Poe G. Bruce, Electrochromic element driver with negative output resistance.
Bauer Frederick T. ; Turnbull Robert R. ; Tonar William L. ; Forgette Jeffrey A. ; Anderson John S. ; Bechtel Jon H. ; Carter John W. ; Stam Joseph S., Power supply for electrochromic mirrors in high voltage automotive power systems.
Bechtel, Jon H.; Poll, David L., System to interconnect, link, and control variable transmission windows and variable transmission window constructions.
Colon Jose L. (Mayaguez PR) Horchos ; deceased Leonard A. (late of Clinton Corners NY by Colombe L. Horchos ; executrix) Suback Gary P. (Wappingers Falls NY), Thermally assisted shorts removal process for glass ceramic product using an RF field.
Ash, Kevin L.; Busscher, Bradley L.; Turnbull, Robert R.; Neuman, George A.; Cammenga, David J.; Theiste, David A., Variable transmission window system.
Ash, Kevin L.; Busscher, Bradley L.; Turnbull, Robert R.; Neuman, George A.; Cammenga, David J.; Theiste, David A., Variable transmission window system.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.