Search Patents
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Publication number: 20150077829Abstract: An electrochromic device includes an electrochromic stack. Openings are formed in the electrochromic stack that allow light to pass through without being tinted.Type: ApplicationFiled: September 16, 2013Publication date: March 19, 2015Applicant: SAGE ELECTROCHROMICS, INC.Inventors: Bryan D. Greer, Louis J. Podbelski
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Publication number: 20120194895Abstract: The present invention is directed to electrochromic systems comprising an electrochromic glazing or insulated glazing unit, a photovoltaic module for supplying power to the electrochromic glazing or IGU, and an electronics module in communication either the electrochromic glazing and/or photovoltaic module.Type: ApplicationFiled: January 20, 2012Publication date: August 2, 2012Applicant: SAGE ELECTROCHROMICS, INC.Inventors: Lou Podbelski, Bryan D. Greer, Mark O. Snyker
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Publication number: 20120268803Abstract: In one embodiment of the present invention, an EC device or IGU comprises an identification circuit which stores information regarding at least some of the properties of the EC device or its control requirements.Type: ApplicationFiled: March 30, 2012Publication date: October 25, 2012Applicant: SAGE ELECTROCHROMICS, INC.Inventors: Bryan D. Greer, Mark O. Snyker, John Lanphear, Troy Liebl
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Publication number: 20120300280Abstract: In one aspect of the present invention is an electrochromic device comprising at least one bus bar, wherein the at least one bus bar is in communication with a conductive seal. In some embodiments of the present invention, the conductive seal is comprised of a material selected from the group consisting of an adhesive, resin, or polymer impregnated with a suitable conductive metal or an intrinsically conductive polymer.Type: ApplicationFiled: May 24, 2012Publication date: November 29, 2012Applicant: SAGE ELECTROCHROMICS, INC.Inventors: Sean Murphy, Neil L. Sbar, Greg McComiskey
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Publication number: 20130222878Abstract: In one aspect of the present invention is a substrate comprising multiple, independently controllable electrochromic zones, wherein each of the electrochromic zones share a common, continuous bus bar. In one embodiment, of the electrochromic zones are not completely isolated from each other. In another embodiment, each of the electrochromic zones have the same surface area. In another embodiment, each of the electrochromic zones have a different surface area.Type: ApplicationFiled: February 28, 2012Publication date: August 29, 2013Applicant: SAGE ELECTROCHROMICS, INC.Inventors: Bryan D. Greer, Jacob Spaargaren
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Publication number: 20120212794Abstract: The invention relates to an electrochromic device including a first non-tempered glass substrate (S1), the linear thermal expansion coefficient of which is between 35 and 60.10?7/° C., said substrate (S1) being coated with a stack including at least one transparent electrically conductive layer (2, 4), an electrochromic material layer (EC2), an ion-conductive electrolyte layer (EL), and a counter electrode (EC1).Type: ApplicationFiled: July 21, 2010Publication date: August 23, 2012Applicant: SAGE ELECTROCHROMICS, INC.Inventors: Jean-Christophe Giron, René Gy, Thomas Bertin-Mourot
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Patent number: 8526094Abstract: The invention relates to a control device for at least one electrochromic window with—means for generating a charging current, to bring the window from a first state into a second state, wherein the window is darker in the second state than in the first state,—means for discharging the window, to bring the window from the second state into the first state, wherein the discharging of the window can be triggered by an emergency signal.Type: GrantFiled: June 8, 2011Date of Patent: September 3, 2013Assignee: SAGE Electrochromics, Inc.Inventor: Philippe Letocart
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Patent number: 11906867Abstract: An electrochemical device is disclosed. The electrochemical device includes a first transparent conductive layer, an electrochromic layer overlying the first transparent conductive layer, a counter electrode layer overlying the electrochromic layer, a second transparent conductive layer, and a switching speed parameter of not greater than 0.68 s/mm at 23° C.Type: GrantFiled: January 7, 2022Date of Patent: February 20, 2024Assignee: SAGE ELECTROCHROMICS, INC.Inventors: Hannah Leung Ray, Ruth Anne Sarah Schlitz, Yi Jiang, Camille Mesnager, Wen Li, Carlijn L. Mulder, Jean-Christophe Giron
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Publication number: 20140104667Abstract: A control device for controlling the transmittance of an electrochromic device includes a power source, an electrical load sensing circuit, and a processor electrically coupled to the electrical load sensing circuit and a power source. The processor is configured to receive a measured electrical load value from the electrical load sensing circuit indicating an electrical property of the electrochromic device, further configured to control one or more properties of the electrochromic device by controlling the amount of current or voltage supplied from the power source to the electrochromic device, and yet further configured to vary a property of the electrochromic device while maintaining the electrochromic device at a substantially consistent transmissivity.Type: ApplicationFiled: October 12, 2012Publication date: April 17, 2014Applicant: SAGE ELECTROCHROMICS, INC.Inventors: Bryan D. Greer, Erik Bjornard
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Patent number: 8947759Abstract: A control device for controlling the transmittance of an electrochromic device includes a power source, an electrical load sensing circuit, and a processor electrically coupled to the electrical load sensing circuit and a power source. The processor is configured to receive a measured electrical load value from the electrical load sensing circuit indicating an electrical property of the electrochromic device, further configured to control one or more properties of the electrochromic device by controlling the amount of current or voltage supplied from the power source to the electrochromic device, and yet further configured to vary a property of the electrochromic device while maintaining the electrochromic device at a substantially consistent transmissivity.Type: GrantFiled: October 12, 2012Date of Patent: February 3, 2015Assignee: SAGE Electrochromics, Inc.Inventors: Bryan D. Greer, Erik Bjornard
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Publication number: 20150092259Abstract: The present disclosure provides for a method of controlling a plurality of independently controllable sections of one or more electrochromic devices belonging to a common interior space to provide lighting having a substantially color neutral or aesthetically pleasing spectrum to the interior space. The method comprises receiving a desired illuminance input indicating an amount of lighting desired in the interior space, and a neutral lighting input indicating a quantifiable amount of the sections of the electrochromic devices to be set to a high transmittance state. One or more sections of the electrochromic devices are selected in accordance with the neutral lighting input. The selected sections of the electrochromic device are set to the high transmittance state. The one or more electrochromic devices collectively transmit an amount of light into the interior space in accordance with the desired illuminance input.Type: ApplicationFiled: October 1, 2013Publication date: April 2, 2015Applicant: SAGE ELECTROCHROMICS, INC.Inventors: Bryan D. Greer, Louis J. Podbelski, Helen Sanders
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Publication number: 20140085701Abstract: The invention relates to a device (1) of the electrochromic type comprising successively a substrate (2), a reflection control coating (8), a laminating interlayer (10), a functional system (4) of the electrochromic type and a substrate (2). This particular arrangement of the laminating interlayer between the reflection control coating and the functional system and the choice of the refractive index and thickness of the reflection control coating are such that the saturation values of C* in the colorimetric system (L*, a*, b*) of the device in reflection are less than or equal to 10 for angles of incidence of 60° and 8° relative to the normal (N) to the outer face (6B) of the counter-substrate and that the absolute value of the difference between the value of C* at an angle of incidence of 8° and the value of C* at an angle of incidence of 60° is less than or equal to 6.Type: ApplicationFiled: June 21, 2011Publication date: March 27, 2014Applicant: SAGE ELECTROCHROMICS, INC.Inventors: Olivier Selles, Ingolf Ripberger, Philippe Letocart, Julien Orillard
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Patent number: 8493646Abstract: An electrochromic device includes a first electrochromic region interconnected with a second electrochromic region by a plurality of conductive links disposed between sides of a substrate on which the material layers of the electrochromic device are formed. The plurality of conductive links interconnects a first isolated conductive region of the first electrochromic region with a first isolated conductive region of the second electrochromic region. A sequence of a counter electrode layer, an ion conductor layer and an electrochromic layer is sandwiched between the first conductive regions of the first and second electrochromic regions and respective second isolated conductive regions of the first and second electrochromic regions. The second conductive regions of the first and second electrochromic regions are connected to respective first and second bus bars which are for connection to a low voltage electrical source.Type: GrantFiled: October 13, 2011Date of Patent: July 23, 2013Assignee: SAGE Electrochromics, Inc.Inventor: Mark Samuel Burdis
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Patent number: 11567386Abstract: A method of operating an electrochromic device comprising: coupling a logic device to the electrochromic device; applying a voltage to the electrochromic device; receiving a current from the electrochromic device in response to the provided voltage; and with the logic device, determining an exact operating condition of the electrochromic device from the received current. A method of operating a plurality of electrochromic devices comprising: adjusting a frequency of voltage applied to the plurality of electrochromic devices, wherein each of the plurality of electrochromic devices is adjusted by a different frequency; measuring a duration of time required to change tint states of each of the electrochromic devices; and identifying a location of each of the plurality of electrochromic devices in response to the measured duration of time required to change the tint states of each of the electrochromic device.Type: GrantFiled: October 4, 2019Date of Patent: January 31, 2023Assignee: SAGE ELECTROCHROMICS, INC.Inventors: Yigang Wang, Bryan D. Greer, Peter Bocek, Jean-Christophe Giron, Thomas Doublein
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Patent number: 11947235Abstract: A method of operating an electrochromic device comprising: coupling a logic device to the electrochromic device; applying a voltage to the electrochromic device; receiving a current from the electrochromic device in response to the provided voltage; and with the logic device, determining an exact operating condition of the electrochromic device from the received current. A method of operating a plurality of electrochromic devices comprising: adjusting a frequency of voltage applied to the plurality of electrochromic devices, wherein each of the plurality of electrochromic devices is adjusted by a different frequency; measuring a duration of time required to change tint states of each of the electrochromic devices; and identifying a location of each of the plurality of electrochromic devices in response to the measured duration of time required to change the tint states of each of the electrochromic device.Type: GrantFiled: January 10, 2023Date of Patent: April 2, 2024Assignee: SAGE ELECTROCHROMICS, INC.Inventors: Yigang Wang, Bryan D. Greer, Peter E. Bocek, Jean-Christophe Giron, Thomas Doublein
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Patent number: 10416522Abstract: An apparatus can include a control device configured to select a scene from a collection of scenes for a window including electrochromic devices in response to receiving an input corresponding to state information. In another aspect, a method of operating an apparatus can include receiving an input corresponding to state information; and at a control device, in response to receiving the input, selecting a scene from a collection of scenes. The collection of scenes may be validated before using the scenes. The scenes may be validated based on physical configuration of the controlled space, preferences of the occupant, or the like. Still further, scenes can be changed to allow for the passage of time or an illusion of changing sky conditions when sky conditions are not changing. The apparatus and method can be simpler to understand and implement as compared to complex control strategies.Type: GrantFiled: January 24, 2018Date of Patent: September 17, 2019Assignee: SAGE ELECTROCHROMICS, INC.Inventors: Louis J. Podbelski, Joshua M. Battles, Bryan D. Greer, Helen E. Sanders
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Publication number: 20150029573Abstract: One object of the present invention is to provide an electrochromic device having improved insulating film structure to reduce electrical leakage. The improved structure includes a lower conductive layer, upper transparent conductive layer, an electrochromic electrode layer, a counter electrode layer, and at least one ion-conductor layer sandwiched between the electrochromic electrode layer and the counter electrode layer. The lower transport conductive layer is scribed and the gap formed from the scribing is filled with the layer(s) formed above the lower conductive layer, such as the electrode layer formed directly above the lower conductive layer. The effective linewidth of the scribe is greater than the migration length of the lithium ions intercalated into the electrode layer, such that the electrode materials occupying the gap do not convert the electrode layer into an electrically conductive region.Type: ApplicationFiled: July 25, 2013Publication date: January 29, 2015Applicant: SAGE ELECTROCHROMICS, INC.Inventors: Mark Samuel Burdis, Jean-Christophe Giron
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Patent number: 11988937Abstract: An apparatus can include an electrochromic device configured to be maintained a continuously graded transmission state. When using the apparatus, the electrochromic device can be switched from a first transmission state to a continuously graded transmission state and maintained in the continuously graded transmission state. The current during switching can be higher than current during maintaining the continuously graded transmission state. In an embodiment, the grading can be reversed to provide a mirror image of the grading. In another embodiment, at least 27% and up to 100% of the electrochromic device can be in a continuously graded transmission state. The control device can be located within an insulating glass unit, adjacent to the insulating glass unit, or remotely from the insulating glass unit. In a further embodiment, a gap between bus bars can be used to form a portion of the electrochromic device that can be continuously graded.Type: GrantFiled: October 19, 2022Date of Patent: May 21, 2024Assignee: SAGE ELECTROCHROMICS, INC.Inventors: Yigang Wang, Bryan D. Greer
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Patent number: 9152001Abstract: One object of the present invention is to provide an electrochromic device having improved insulating film structure to reduce electrical leakage. The improved structure includes a lower conductive layer, upper transparent conductive layer, an electrochromic electrode layer, a counter electrode layer, and at least one ion-conductor layer sandwiched between the electrochromic electrode layer and the counter electrode layer. The lower transport conductive layer is scribed and the gap formed from the scribing is filled with the layer(s) formed above the lower conductive layer, such as the electrode layer formed directly above the lower conductive layer. The effective linewidth of the scribe is greater than the migration length of the lithium ions intercalated into the electrode layer, such that the electrode materials occupying the gap do not convert the electrode layer into an electrically conductive region.Type: GrantFiled: July 25, 2013Date of Patent: October 6, 2015Assignee: SAGE ELECTROCHROMICS, INC.Inventors: Mark Samuel Burdis, Jean-Christophe Giron
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Patent number: 11460748Abstract: An electrochemical device and method of forming said device is disclosed. The method can include providing a substrate and stack overlying the substrate. The stack can include a first transparent conductive layer over the substrate, a cathodic electrochemical layer over the first transparent conductive layer, an anodic electrochemical layer over the electrochromic layer, and a second transparent conductive layer overlying the anodic electrochemical layer. The method can include depositing an insulating layer over the stack and determining a first pattern for the second transparent conductive layer. The first pattern can include a first region and a second region. The first region and the second region can be the same material. The method can include patterning the first region of the second transparent conductive layer without removing the material from the first region. The first region can have a first resistivity and the second region can have a second resistivity.Type: GrantFiled: December 16, 2019Date of Patent: October 4, 2022Assignee: SAGE ELECTROCHROMICS, INC.Inventors: Yigang Wang, Jean-Christophe Giron, Bryan D. Greer, Sebastian Marius Sarrach, Thomas Doublein