Abstract: A dual rail driver for an electrochromic device is provided. The dual rail driver includes a power supply having a first power supply rail and a second power supply rail and an H bridge connected to the first power supply rail and the second power supply rail and configurable to couple to an electrochromic device. The dual rail driver includes a controller coupled to the H bridge through a failsafe module and configurable to control switches of the H bridge to charge and discharge the electrochromic device from the first power supply rail and the second power supply rail. The failsafe module is configurable to override one or more signals from the controller that controls the switches of the H bridge through the failsafe module, responsive to detecting anomaly of the electrochromic device.

Abstract: Process for forming a multi-layer electrochromic structure, the process comprising depositing a film of a liquid mixture onto a surface of a substrate, and treating the deposited film to form an anodic electrochromic layer, the liquid mixture comprising a continuous phase and a dispersed phase, the dispersed phase comprising metal oxide particles, metal alkoxide particles, metal alkoxide oligomers, gels or particles, or a combination thereof having a number average size of at least 5 nm.

Abstract: Multi-layer devices comprising a layer of an electrochromic lithium nickel oxide composition on a first substrate, the lithium nickel oxide composition comprising lithium, nickel and a Group 4 metal selected from titanium, zirconium, hafnium and a combination thereof.

Abstract: Multi-layer electrochromic structures, and processes for assembling such structures, incorporating a cross-linked ion conducting polymer layer that maintains high adhesive and cohesive strength in combination with high ionic conductivity for an extended period of time, the ion conducting polymer layer characterized by electrochemical stability at voltages between about 1.3 V and about 4.4 V relative to lithium, lithium ion conductivity of at least about 10?5 s/cm, and lap shear strength of at least 100 kPa, as measured at 1.27 mm/min in accordance with ASTM International standard D1002 or D3163.

Abstract: A method of controlling an electrochromic device is provided. The method includes measuring an open circuit voltage between a first electrode and a reference electrode in the electrochromic device in a fully bleached state. The method includes calculating a charge Q to return the first electrode to a baseline state and darkening the first electrode in the electrochromic device to a darkened state. The method includes transferring charge from the first electrode in the darkened state to a redox element.

Abstract: An electrochromic multi-layer stack is provided. The multi-layer stack includes an electrochromic multi-layer stack having a first substrate, a first electrically conductive layer, a first electrode layer, an ion conductor layer, a second substrate, a second electrically conductive layer, and a second electrode layer. The multi-layer stack includes a redox element, wherein the redox element is electrically isolated from the first and second electrically conductive layers and the first and second electrode layer and is laterally adjacent to either the first electrically conductive layer and the first electrode, or the second electrically conductive layer and the second electrode layer. A method for controlling an electrochromic device is also provided.

Abstract: A distributed device control system is provided. The system includes a plurality of windows, each window of the plurality of windows having at least one electrochromic window, a voltage or current driver for the at least one electrochromic window, and a first control system local to the window. The system includes a plurality of window controllers, each window controller configured to couple to one or more of the plurality of windows and having a second control system, for the one or more of the plurality of windows, local to the window controller. The system includes a command and communication device configured to couple to each of the plurality of window controllers, configured to couple to a network, and having a third control system, for the plurality of windows, wherein control of the plurality of windows is distributed across the plurality of windows, the plurality of window controllers, the command and communication device, and a portion of the network.

Abstract: Process for forming a multi-layer electrochromic structure, the process comprising depositing a film of a liquid mixture onto a surface of a substrate, and treating the deposited film to form an anodic electrochromic layer, the liquid mixture comprising a continuous phase and a dispersed phase, the dispersed phase comprising metal oxide particles, metal hydroxide particles, metal alkoxide particles, metal alkoxide oligomers, gels or particles, or a combination thereof having a number average size of at least 5 nm.

Abstract: A window is provided. The window includes an electrochromic device having variable transmissivity and a region of the electrochromic device arranged with an indicator that is configured to indicate one of levels of the transmissivity or changes of the transmissivity of the electrochromic device.

Abstract: A multi-layer device comprising a first substrate, a first electrically conductive layer and a first current modulating structure on a surface thereof, the first current modulating structure comprising a composite of a resistive material and a patterned insulating material, the first current modulating structure having a cross-layer resistance to the flow of electrical current through the first current modulating structure that varies as a function of position.

Abstract: A smart window-based security system is provided. The system includes a plurality of smart windows, each smart window of the plurality of smart windows having at least one electrochromic window and at least one sensor integrated into the smart window. The plurality of smart windows are coupled together in a system having at least one processor configured to detect a personal or property security threat, such as an intruder or fire based, on information from sensors of the plurality of smart windows.

Abstract: An electrochromic multi-layer stack is provided. The electrochromic multi-layer stack includes a thin film that includes lithium tungsten oxide with lithium included in the fully bleached state. The electrochromic multi-layer stack also includes an electrically conductive layer, and an outer substrate. An electrochromic device is also provided.

Abstract: A method of controlling smart windows with dynamic tenancy, performed by a control system is provided. The method includes coupling a control system having a plurality of smart windows each having one or more electrochromic devices, to a plurality of remote devices, and managing, in the control system, configurable smart window groups each having in membership one or more of the plurality of smart windows. The method includes managing, in the control system, configurable user groups each having in membership one or more of a plurality of users in association with the smart window groups, and controlling transmissivity of the electrochromic devices of the plurality of smart windows in accordance with the configurable smart window groups, the configurable user groups and the plurality of remote devices.

Abstract: A smart driver system for electrochromic devices is provided. The system includes at least one smart driver having one or more processors, memory and a communication module. The at least one smart driver is configurable to couple to or integrate with one or more smart windows having electrochromic devices. The at least one smart driver is configurable to input identification information from a plurality of self-identifying components of a smart window system, including the one or more smart windows, and to self-initialize or self-adjust a plurality of operating parameters for operation of the self-identifying components in accordance with the identification information.

Abstract: Disclosed is a system, method, and computer program product that employs high dynamic range (HDR) image processing and manipulation algorithms for capturing and measuring real-time sky conditions for processing into control input signals to a building's automated fenestration (AF) system, daylight harvesting (DH) system and HVAC system. The photometer comprises a color camera and a fitted fish-eye lens to capture 360-degree, hemispherical, low dynamic range (LDR) color images of the sky. Both camera and lens are housed in a sealed enclosure protecting them from environmental elements and conditions. In some embodiments the camera and processes are controlled and implemented by a back-end computer.

Abstract: A method of manufacturing a thin film is provided. The method includes providing a plurality of crystalline hexagonal tungsten trioxide particles, size-reducing the crystalline hexagonal tungsten trioxide particles by grinding to produce crystalline hexagonal tungsten trioxide nanostructures, and coating the crystalline hexagonal tungsten trioxide nanostructures onto a substrate to produce a thin film. An electrochromic multi-layer stack is also provided.

Abstract: A wall controller is provided. The wall controller includes a projection screen having an input device and a projector, wherein the projector has an optical axis that is non-orthogonal to the projection screen. The wall controller includes a housing having the projector at an end of the housing. The housing is dimensioned to fit the end of the housing through an aperture in a first wall, fit the end into a wall space between the first wall and a second wall, and fit a majority of another end of the housing into the aperture until the projection screen is parallel to a surface of the first wall and a front portion of the projection screen is flush with, recessed in or extends from the surface of the first wall.

Abstract: An electrochromic device is provided. The device includes a substrate and an electrochromic stack on the substrate. The stack includes a first set of bus bars, a first transparent conductive layer, at least one electrochromic layer, a second transparent conductive layer, and a second set of bus bars, wherein at least one of the first transparent conductive layer or the second transparent conductive layer includes resistivity that varies by horizontal location according to a resistivity profile. In some embodiments the resistivity profile has a vertical component that may or may not be in addition to the horizontal component. Various embodiments of these materials can be tuned as to profiles of vertical resistance and horizontal sheet resistance.

Abstract: An electrochromic device is provided. The device includes a first substrate and a second substrate. The device includes electrochromic material, with the first substrate, the electrochromic material and the second substrate forming a laminate, the first substrate offset in a lateral direction from the second substrate along at least a portion of an edge of the electrochromic device. The device includes a plurality of terminals coupled to the electrochromic material, with at least two of the plurality of terminals exposed on the first substrate by the first substrate being offset in the lateral direction from the second substrate. A method of manufacturing an electrochromic device is also provided.

Abstract: A multi-layer device comprising a first substrate and a first electrically conductive layer on a surface thereof, the first electrically conductive layer having a sheet resistance to the flow of electrical current through the first electrically conductive layer that varies as a function of position.