Abstract: Busbars with electrically conductive covers are implemented for an electroactive device. Different transparent conductive layers may surround an electroactive layer that is between the transparent conductive layers of the electroactive devices. The busbars may include an electrically conductive adhesive tape that includes an adhesion layer, a conductor track, and cover that is electrically conductive toward the conductor track, capable of being soldered or adhered to a conductor, opaque, and satisfy a visibility requirement that obscures the busbar from an environment external to the electroactive device and that is connective using the adhesive layer to one of the transparent conductive layers.

Abstract: A conductor for an insulated glazing unit (IGU) is described. The IGU may have two or more panes. The two or more panes may run parallel to one another. The IGU May have one or more seals that form a glazing interior space with the first pane and the second pane. The glazing interior space may include one or more recipient devices and multiple busbars. Each of the busbars may be coupled to at least one of the one or more recipient devices. The conductor may include multiple conducting elements that are respectively electrically connected to different ones of the busbars providing power and/or control signals received from a controller for the one or more recipient devices. The conductor may penetrate at least one of the one or more seals at a location where at least two of the busbars are available for connection.

Abstract: A system with one or more smart glass units is provided. The system includes a smart glass unit having at least one pane. The system also includes a multi-directional light sensor. The multi-directional light sensor includes a sensor element facing in a direction orthogonal to a surface of the pane. The multi-directional sensor also includes a plurality of other sensor elements facing in different directions that are parallel to the surface of the pane.

Abstract: A system with one or more smart glass units is provided. The system includes a smart glass unit and a controller. The controller is configured to send, using one or more wires, a tint signal to the smart glass unit to control a tint level of the smart glass unit. The controller is also configured to send, using the same one or more wires, a detection signal, independent of the tint signal, to the smart glass unit for determining a location of the smart glass unit via at least one of an electric field coupling or a magnetic field coupling.

Abstract: An electrochromic (EC) device includes a substrate and a plurality of layers formed on the substrate. The plurality of layers includes an active layer that is lithiated for changing a tint of the EC device. The active layer is lithiated using a deposition process that uses one or more lithium (Li) targets. The deposition process provides, on no more than 1.5% of manufactured EC devices, a Li tungsten-oxide deposit area on the substrate that is over-concentrated with Li relative to a surrounding area on the substrate. In some aspects, the EC device may be a component of an EC system that further includes a power supply electrically connected to the EC device and configured to provide a voltage to the EC device for controlling a tint of the EC device.

Abstract: A method implemented by a controller associated with a smart glass unit in a smart glass system includes receiving, by the controller over a single pair of wires and from another controller, data concerning a tinting state of another smart glass unit associated with the other controller. The method includes receiving, by the controller over the single pair of wires, a control command indicating that the smart glass unit associated with the controller is to change or maintain a tinting state. The method includes determining, by the controller, an amount of power available over the single pair of wires for changing or maintaining the tinting state of the smart glass unit based on the data. The method includes updating, by the controller, the tint state of the smart glass unit based on the amount of available power over the single pair of wires and the one or more control commands.

Abstract: A method of manufacturing an electrochromic (EC) device is provided. The method includes receiving a substrate at a first facility. The substrate is coated with one or more layers of a plurality of layers. The substrate is patterned at the first facility to form a patterned substrate. Patterning the substrate includes identifying one or more areas for forming EC devices. The one or more areas of the patterned substrate are then electrically tested at the first facility. After electrically testing the patterned substrate, the patterned substrate is transported from the first facility to a second facility. At the second facility, after receiving the patterned substrate from the first facility, the one or more areas are cut from the patterned substrate to provide the EC device(s).

Abstract: The present disclosure describes various processes of forming an electrochromic stack using at most one metallic lithium deposition station. In some aspects, a process may include depositing metallic lithium only within an electrochromic counter-electrode of an electrochromic stack. In some aspects, a process may include using a lithium-containing ceramic counter-electrode target to form an electrochromic counter-electrode and depositing metallic lithium only within or above an electrochromic electrode of the electrochromic stack. In some embodiments, a process may include using a lithium-containing ceramic electrode target, and optionally additionally depositing metallic lithium to add mobile lithium to the electrochromic stack. In some embodiments, a process may include using a single metallic lithium deposition station to deposit metallic lithium between an ion-conducting layer and an electrochromic electrode of the electrochromic stack.

Abstract: A system for power allocation includes a smart glass unit, a data communication cable for transmitting both power and data, a power storage device, and a controller. The controller determines a level of charge of the power storage device, identifies a current tinting level of the smart glass unit, and identifies a directed tinting level for the smart glass unit. The controller also allocates power from at least one of the power communication line or the power storage device and to the smart glass unit to control a level of tint of the smart glass unit based on the level of charge of the power storage device, the current tinting level, and the directed tinting level.

Abstract: A system for reusing power from a smart glass is provided. The system includes a power storage device. The system also includes a synchronous converter configured to change a voltage of electrical power. The system further includes a smart glass in electrical communication with the power storage device, the synchronous converter, and a controller. The smart glass is configured to change or maintain a tint in response to a voltage. In addition, the system includes the controller. The controller is configured to receive an indication that the smart glass is to change a tint. The smart glass has a non-zero voltage between two electrical connections. The controller is configured to change, using the synchronous converter, the voltage from the smart glass to a different voltage. The controller is configured to apply the changed voltage to the power storage device to transfer electrical energy for storage and smart glass tinting.

Abstract: The present disclosure describes various processes of forming an electrochromic stack using at most one metallic lithium deposition station. In some aspects, a process may include depositing metallic lithium only within an electrochromic counter-electrode of an electrochromic stack. In some aspects, a process may include using a lithium-containing ceramic counter-electrode target to form an electrochromic counter-electrode and depositing metallic lithium only within or above an electrochromic electrode of the electrochromic stack. In some embodiments, a process may include using a lithium-containing ceramic electrode target, and optionally additionally depositing metallic lithium to add mobile lithium to the electrochromic stack. In some embodiments, a process may include using a single metallic lithium deposition station to deposit metallic lithium between an ion-conducting layer and an electrochromic electrode of the electrochromic stack.

Abstract: Various embodiments of systems and methods for remote monitoring and controlling of electrochromic glass are described. In some embodiments, a device monitoring and control system can receive messages via a communication hub from a plurality of remote installation sites for electrochromic glass units. The messages include telemetry data associated with the electrochromic glass units. The system can stream the telemetry data to a data analytics engine that can perform analytics functions on the telemetry data. The system provides results of the analytics functions to remote destinations via a data analytics interface. The system can also receive, via a control interface, control instructions from remote sources to control one or more of the electrochromic glass units. The system can transmit control messages to the installation sites to implement the control instructions. The system can also establish a connection for a requestor to an installation site using a site's specific connection protocol.

Abstract: A smart glass system for mounting on a glass frame includes a smart glass frame, a smart glass retained by the smart glass frame, one or more mounting devices attached to the smart glass frame for glass frame mounting, and a plurality of power receiving devices in electronic communication with the smart glass for receiving wireless power for the smart glass. The plurality of power receiving devices include one or more solar panels and one or more wireless power receivers. The smart glass system also includes one or more power storage devices for storing power from the one or more power receiving devices. The smart glass system further includes a controller for managing power flow between the plurality of power receiving devices, the one or more power storage devices, and the smart glass.

Abstract: Various embodiments relate to an electrochromic (EC) device that is structured with surface contour features arranged according to a randomized pattern. For example, one or more conductive layers of an EC device may be structured with such surface ablations. In some embodiments, the randomized ablation pattern may comprise a randomized variation in one or more geometrical characteristics of a group of segments. In some examples, the geometrical characteristic(s) may include a distance characteristic, an orientation characteristic, and/or a shape characteristic, etc. According to various embodiments, the randomized ablation pattern may be configured to reduce diffraction and/or scatter of light incident on the surface ablations as compared to some other ablation patterns.

Abstract: An electrochromic (EC) device is provided. The EC includes an electrical channel for providing electrical communication with at least one other EC device. The EC device also includes a battery configured to supply electrical power to the EC device and the at least one other EC device via the electrical channel. The EC device further includes a controller configured to control the battery to supply electrical power to at least one of the EC device or the other EC device.

Abstract: A method implemented by a system for manufacturing a device having a coated transparent substrate is provided. The method includes providing the device having a transparent substrate. The method also includes coating the transparent substrate with a first transparent conductive oxide (TCO) layer in accordance with one or more parameters. The coating the transparent substrate comprises performing a physical deposition process on the transparent substrate. The method further includes determining a resistance across the first TCO layer. In addition, the method includes determining whether the resistance across the first TCO layer is within a resistance range. The method also includes in response to determining that the resistance across the first TCO layer is within the resistance range, coating the device with a second TCO layer in accordance with the one or more parameters to provide a resistance across the second TCO layer that is within the resistance range.

Abstract: An integrated computerized control system is capable of automating phases of electrochromic glass configuration, commissioning and control using a database synchronized between a provider side (e.g. manufacturer) and a customer side (e.g. installation location). The control system may support an on-site commissioning process that better ensures that each particular piece of electrochromic glass is correctly matched to glass-specific information used to configure a respective controller to control the particular piece of glass having particular characteristics.

Abstract: A computing system for mapping one or more panes on a structure is provided. The computing system may receive a first indication from a first pane. The first indication may be associated with a first identification (ID) unique to the first pane. The computing system may receive a second indication from a second pane. The computing system may determine a relative position of the first pane relative to a position of the second pane based on receiving the first indication and the second indication. The computing system may map the relative position of the first pane to the first ID.

Abstract: An electrochromic device is structured to restrict moisture permeation between an electrochromic stack in the device and an external environment. The electrochromic device includes conductive layers and one or more encapsulation layers, where the encapsulation layers and conductive layers collectively isolate the electrochromic stack from the ambient environment. The encapsulation layers resist moisture permeation, and at least the outer portions of the conductive layers resist moisture permeation. The moisture-resistant electrochromic device can be fabricated based at least in part upon selective removal of one or more outer portions of at least the EC stack, so that at least the encapsulation layer extends over one or more edge portions of the EC stack to isolate the edge portions of the EC stack from the ambient environment. The encapsulation layer can include one or more of an anti-reflective layer, infrared cut-off filter, etc.

Abstract: The present disclosure describes various processes of forming an electrochromic stack using at most one metallic lithium deposition station. In some aspects, a process may include depositing metallic lithium only within an electrochromic counter-electrode of an electrochromic stack. In some aspects, a process may include using a lithium-containing ceramic counter-electrode target to form an electrochromic counter-electrode and depositing metallic lithium only within or above an electrochromic electrode of the electrochromic stack. In some embodiments, a process may include using a lithium-containing ceramic electrode target, and optionally additionally depositing metallic lithium to add mobile lithium to the electrochromic stack. In some embodiments, a process may include using a single metallic lithium deposition station to deposit metallic lithium between an ion-conducting layer and an electrochromic electrode of the electrochromic stack.