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公开(公告)号：US20240118578A1
公开(公告)日：2024-04-11
申请号：US18490349
申请日：2023-10-19
申请人： View, Inc.
CPC分类号： G02F1/163 , E06B3/6722 , E06B9/24 , G02F1/0121 , E06B2009/2464 , G02F2201/58
摘要： Aspects of this disclosure concern controllers and control methods for applying a drive voltage to bus bars of optically switchable devices such as electrochromic devices. Such devices are often provided on windows such as architectural glass. In certain embodiments, the applied drive voltage is controlled in a manner that efficiently drives an optical transition over the entire surface of the electrochromic device. The drive voltage is controlled to account for differences in effective voltage experienced in regions between the bus bars and regions proximate the bus bars. Regions near the bus bars experience the highest effective voltage. In some cases, feedback may be used to monitor an optical transition. In these or other cases, a group of optically switchable devices may transition together over a particular duration to achieve approximately uniform tint states over time during the transition.
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公开(公告)号：US20230152655A1
公开(公告)日：2023-05-18
申请号：US18154396
申请日：2023-01-13
申请人： View, Inc.
发明人： Anshu A. Pradhan , Disha Mehtani , Gordon Jack
CPC分类号： G02F1/163 , G02F1/15 , G02F1/155 , G02F2001/1555
摘要： Controllers and control methods apply a drive voltage to bus bars of a thin film optically switchable device. The applied drive voltage is provided at a level that drives a transition over the entire surface of the optically switchable device but does not damage or degrade the device. This applied voltage produces an effective voltage at all locations on the face of the device that is within a bracketed range. The upper bound of this range is associated with a voltage safely below the level at which the device may experience damage or degradation impacting its performance in the short term or the long term. At the lower boundary of this range is an effective voltage at which the transition between optical states of the device occurs relatively rapidly. The level of voltage applied between the bus bars is significantly greater than the maximum value of the effective voltage within the bracketed range.
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公开(公告)号：US11592722B2
公开(公告)日：2023-02-28
申请号：US16782543
申请日：2020-02-05
申请人： View, Inc.
IPC分类号： G02F1/1523 , G02F1/155 , C23C14/08 , C23C14/58 , G02F1/153 , H01J37/34 , C23C14/00 , G02F1/1506
摘要： Conventional electrochromic devices frequently suffer from poor reliability and poor performance. Improvements are made using entirely solid and inorganic materials. Electrochromic devices are fabricated by forming an ion conducting electronically-insulating interfacial region that serves as an IC layer. In some methods, the interfacial region is formed after formation of an electrochromic and a counter electrode layer. The interfacial region contains an ion conducting electronically-insulating material along with components of the electrochromic and/or the counter electrode layer. Materials and microstructure of the electrochromic devices provide improvements in performance and reliability over conventional devices. In various embodiments, a counter electrode is fabricated to include a base anodically coloring material and one or more additives.
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公开(公告)号：US20230011016A1
公开(公告)日：2023-01-12
申请号：US17814427
申请日：2022-07-22
申请人： View, Inc.
发明人： Robert Michael Martinson , Feliciano Vicente Gomez-Martinez , Sajith Kamalnath Gopinathanasari , Nitesh Trikha , Stephen Clark Brown , Anshu A. Pradhan , Sridhar Karthik Kailasam
摘要： Window controller systems and methods are disclosed herein. In some embodiments, a window controller system for controlling multiple optically switchable devices comprises a printed circuit board comprising a first plurality of footprints to which a first plurality of components is mounted and a second plurality of footprints, wherein a subset of the second plurality of footprints is populated by a second plurality of components. The first plurality of components may comprise: a plurality of insulated glass unit (IGU) controllers, each configured to control an IGU of a corresponding plurality of IGUs operatively coupled to the window controller system; and a processing unit configured to control each of the plurality of IGU controllers. The second plurality of components may be selected based on a cable type and/or a protocol type used to provide power and data signals to the printed circuit board.
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公开(公告)号：US20220334445A1
公开(公告)日：2022-10-20
申请号：US17659058
申请日：2022-04-13
申请人： View, Inc.
发明人： Gordon E. Jack , Sridhar Karthik Kailasam , Stephen Clark Brown , Anshu A. Pradhan , Jose Vigano , Dhairya Shrivastava , Mark David Mendenhall
摘要： Aspects of this disclosure concern controllers and control methods for applying a drive voltage to bus bars of optically switchable devices such as electrochromic devices. Such devices are often provided on windows such as architectural glass. In certain embodiments, the applied drive voltage is controlled in a manner that efficiently drives an optical transition over the entire surface of the electrochromic device. The drive voltage is controlled to account for differences in effective voltage experienced in regions between the bus bars and regions proximate the bus bars. Regions near the bus bars experience the highest effective voltage. In some cases, feedback may be used to monitor an optical transition. In these or other cases, a group of optically switchable devices may transition together over a particular duration to achieve approximately uniform tint states over time during the transition.
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公开(公告)号：US20220252952A1
公开(公告)日：2022-08-11
申请号：US17597701
申请日：2020-07-30
申请人： View, Inc.
发明人： Robert T. Rozbicki , Anshu A. Pradhan , Sridhar Karthik Kailasam , Robin Friedman , Gordon E. Jack , Dane Thomas Gillaspie
IPC分类号： G02F1/153 , G02F1/1523 , G02F1/157 , G02F1/1335 , G02F1/1333 , G02F1/155 , E06B9/24
摘要： Electrochromic device (550) having at least one multi-layer conductor (560,580) with a metal layer (564,584) between a first transparent conductive oxide layer (562,566,582,586) and a second transparent conductive oxide layer (562,566,582,586) and optionally having one or more tuning layers adjacent the metal layer.
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公开(公告)号：US20220032584A1
公开(公告)日：2022-02-03
申请号：US17304012
申请日：2021-06-11
申请人： View, Inc.
发明人： Ronald M. Parker , Robert T. Rozbicki , Yashraj Bhatnagar , Abhishek Anant Dixit , Anshu A. Pradhan
摘要： Methods of manufacturing electrochromic windows are described. Insulated glass units (IGU's) are protected, e.g. during handling and shipping, by a protective bumper. The bumper can be custom made using IGU dimension data received from the IGU fabrication tool. The bumper may be made of environmentally friendly materials. Laser isolation configurations and related methods of patterning and/or configuring an electrochromic device on a substrate are described. Edge deletion is used to ensure a good seal between spacer and glass in an IGU and thus better protection of an electrochromic device sealed in the IGU. Configurations for protecting the electrochromic device edge in the primary seal and maximizing viewable area in an electrochromic pane of an IGU are also described.
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公开(公告)号：US20220019114A1
公开(公告)日：2022-01-20
申请号：US17309332
申请日：2019-11-26
申请人： View, Inc.
发明人： Robin Friedman , Anshu A. Pradhan , Imran Khan , Illayathambi Kunadian , Robert T. Rozbicki , Zoran Topalovic
IPC分类号： G02F1/155 , G02F1/161 , G02F1/1333 , E06B9/24 , E06B3/67 , E06B3/673 , B32B7/12 , B32B37/12 , B32B5/02 , B32B17/06
摘要： Embodiments described include adhesive bus bars for electrochromic or other optical state changing devices. The bus bars are configured to color match and/or provide minimal optical contrast with their surrounding environment in the optical device, provide better adhesion than ink based bus bars, as well as obviate the need to mitigate defects in underlaying layers.
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公开(公告)号：US20210356833A1
公开(公告)日：2021-11-18
申请号：US17444010
申请日：2021-07-29
申请人： View, Inc.
摘要： Aspects of this disclosure concern controllers and control methods for applying a drive voltage to bus bars of optically switchable devices such as electrochromic devices. Such devices are often provided on windows such as architectural glass. In certain embodiments, the applied drive voltage is controlled in a manner that efficiently drives an optical transition over the entire surface of the electrochromic device. The drive voltage is controlled to account for differences in effective voltage experienced in regions between the bus bars and regions proximate the bus bars. Regions near the bus bars experience the highest effective voltage. In some cases, feedback may be used to monitor an optical transition. In these or other cases, a group of optically switchable devices may transition together over a particular duration to achieve approximately uniform tint states over time during the transition.
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公开(公告)号：US20210208468A1
公开(公告)日：2021-07-08
申请号：US17249265
申请日：2021-02-25
申请人： View, Inc.
摘要： Aspects of this disclosure concern controllers and control methods for applying a drive voltage to bus bars of optically switchable devices such as electrochromic devices. Such devices are often provided on windows such as architectural glass. In certain embodiments, the applied drive voltage is controlled in a manner that efficiently drives an optical transition over the entire surface of the electrochromic device. The drive voltage is controlled to account for differences in effective voltage experienced in regions between the bus bars and regions proximate the bus bars. Regions near the bus bars experience the highest effective voltage.
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