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公开(公告)号:US12291009B2
公开(公告)日:2025-05-06
申请号:US17328208
申请日:2021-05-24
Applicant: GAUZY LTD
Inventor: Hassan-Ali Hakemi , Adrian Lofer , Eyal Peso , Dana Gal-Fuss
IPC: B32B27/08 , B32B7/06 , B32B17/10 , B32B27/36 , B32B37/15 , B32B37/20 , B32B37/26 , B32B38/00 , B32B38/10 , C09K19/54
Abstract: The present invention discloses means and methods for manufacturing a multilayer of liquid crystal dispersion film using releasable supporting films and means and methods for manufacturing a haze-free and low-cost multi liquid crystal-layer PDLC, LCDP, PSLC or polymer network using reliable supporting films.
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2.
公开(公告)号:US12130535B2
公开(公告)日:2024-10-29
申请号:US17623548
申请日:2020-07-01
Applicant: GAUZY LTD.
Inventor: Eyal Peso , Adrian Lofer , Tania Fadida , Dana Gal-Fuss
CPC classification number: G02F1/172 , C09J7/255 , C09J7/35 , H01B1/08 , C09J2301/304 , C09J2467/00 , C09J2483/00
Abstract: A suspended-particle device with improved adhesion between the active and conductive layers is disclosed. The conductive layers are coated with an adhesion promoter that comprises at least one organosilane that covalently bonds to the surface of the conductive layer and comprises a cross-linkable moiety such as an acrylate. The active layer comprises a suspension of active particles in a polymer matrix that comprises a polymer having pendant cross-linkable moieties such as acrylates. Upon curing (e.g. by irradiation by ultraviolet light), the polymer matrix of the active layer cross-links with the cross-linkable moieties of the adhesion promoter, thereby binding the active and conductive layers.
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公开(公告)号:US12292665B2
公开(公告)日:2025-05-06
申请号:US17498958
申请日:2021-10-12
Applicant: GAUZY LTD.
Inventor: Hassan Ali Hakemi , Adrian Lofer , Eyal Peso , Dana Gal-Fuss
IPC: G02F1/1333 , C09K19/40 , G02F1/13 , G02F1/139 , C09K19/04
Abstract: A bistable liquid crystal film, comprising: a first transparent flexible film coated with conductive material; a second transparent flexible film; at least one layer of liquid crystal dispersions disposed between the transparent flexible conductive films; and an ionic dopant disposed within the layer of liquid crystal dispersions. The bistable liquid crystal film is characterized as having two modes, a transparent mode and a scattering mode, with transitions between the two modes being accomplished by voltage pulses with no need to maintain a voltage across the film in order to maintain it in a particular mode. The ionic dopant is an ionic mesogen, preferably an ionic metal-organic mesogen.
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公开(公告)号:US11681176B2
公开(公告)日:2023-06-20
申请号:US15559065
申请日:2016-03-13
Applicant: GAUZY LTD.
Inventor: Hassan-Ali Hakemi , Adrian Lofer , Eyal Peso , Dana Gal-Fuss
IPC: G02F1/1334 , G02F1/137 , C09K19/54 , H01L31/0216 , H01L31/0232 , E06B9/24
CPC classification number: G02F1/1334 , C09K19/544 , G02F1/13725 , H01L31/02168 , H01L31/02327 , C09K2219/13 , E06B2009/2464 , G02F1/13756 , G02F2201/083 , G02F2203/11
Abstract: The present invention provides a solar reflective-absorptive device, comprising: an IR reflective transparent conductive film; a flexible transparent conductive film; a layer of liquid crystal dispersion in polymer matrix or polymer dispersion in liquid crystal domains allocated between said flexible IR reflective transparent conductive film and said flexible transparent conductive film. The liquid crystal dispersion is in polymer matrix or polymer dispersion domains, and comprises metalorganic dye compositions with absorption in the visible and/or IR regions of solar spectrum. The aforesaid liquid crystal dispersion consists of nematic mixtures and/or cholesteric mixtures comprising of chiral mesogenic or none-mesogenic chiral materials in nematic for IR absorption and/or broadband cholesteric materials for dynamic (electrically tunable) IR and visible absorption. The switching capability of the device will be carried out through reorientation of the liquid crystal dispersion sandwiched between said at least one transparent IR-reflective flexible conductive support and said transparent flexible conductive support.
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公开(公告)号:US11493797B2
公开(公告)日:2022-11-08
申请号:US15520449
申请日:2015-10-19
Applicant: GAUZY LTD.
Inventor: Hassan-Ali Hakemi , Adrian Lofer , Eyal Peso
IPC: G02F1/1334 , G02F1/1333 , G02F1/13
Abstract: A polymer dispersed liquid crystal (PDLC) film, comprising: at least one first transparent flexible film coated with conductive material; at least one liquid crystal dispersion, allocated between said at least one first transparent flexible film and at least one second transparent flexible film; at least one second transparent flexible film coated with conductive material; where the PDLC comprises a pattern or a signage. Furthermore, the invention comprises a multichannel controller that enables independent control of each segment of the pattern.
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公开(公告)号:US10851302B2
公开(公告)日:2020-12-01
申请号:US15520497
申请日:2015-05-25
Applicant: GAUZY LTD.
Inventor: Hassan-Ali Hakemi , Adrian Lofer , Eyal Peso
IPC: G02F1/1333 , C09K19/60 , C09B45/22 , C09B55/00 , C09K19/40 , C09B23/14 , C09B57/10 , G02F1/1334
Abstract: A dye composition dissolvable within a liquid crystal host device (including: polymer dispersed liquid crystal, polymer network liquid crystal, polymer stabilized liquid crystal, liquid crystal displays and similar devices), comprising eutectic mixtures of dichroic metallomesogen molecules. The aforesaid metallomesogen molecules comprise chromophore groups synthesized by physical and chemical mixing methods.
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公开(公告)号:US11768430B2
公开(公告)日:2023-09-26
申请号:US15740672
申请日:2016-06-30
Applicant: GAUZY LTD
Inventor: Hassan-Ali Hakemi , Adrian Lofer , Eyal Peso , Dana Gal-Fuss , Koby Kfir
IPC: G03B21/62 , G03B21/56 , G02F1/1334
CPC classification number: G03B21/62 , G02F1/1334 , G03B21/56
Abstract: An active or passive PDLC projection screen comprising: at least two transparent metalized or non-metalized polymer supports; at least one layer of liquid crystal dispersions located between said at least two transparent metalized polymer supports; electrical components to control the behavior of said PDLC projection screen; wherein said PDLC projection screen have a total light transmittance Tt of about 70 to 90%, a diffusion transmittance Dt of about 0 to 10%, a clarity C of 90 to 97% and a haze value H of about 0 to 3%, measured in accordance with either ASTM D 1003-13, ISO 13468-1:1996 or ISO 13468-2:1999; further wherein said PDLC projection screen is manufactured by methods of release sheets support.
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公开(公告)号:US11175522B2
公开(公告)日:2021-11-16
申请号:US16301077
申请日:2017-05-10
Applicant: GAUZY LTD
Inventor: Eyal Peso , Adrian Lofer , Omry Ben Ezra
Abstract: A system to prevent motion sickness to at least one passenger in a moving vehicle, comprising: at least one liquid crystal film; at least one power dimmer apparatus operative to provide AC current to said at least one liquid crystal film; at least one sensor operative to sense the motion of said vehicle; at least one non-transitory computer-readable medium for producing a signal for activating and deactivating said at least one liquid crystal film in a certain frequency by means of said at least one power dimmer apparatus; wherein said activating and deactivating said at least one liquid crystal film is done in form of visual cues directly coordinated by motion sensory inputs provided by said at least one sensor.
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公开(公告)号:US20210189141A1
公开(公告)日:2021-06-24
申请号:US16966978
申请日:2019-01-31
Applicant: Gauzy Ltd.
Inventor: Dana Gal-Fuss , Tania Fadida , Eyal Peso , Adrian Lofer
Abstract: A method of preparing non-conductive coated pigment particles for use in liquid crystal applications. A dispersion is prepared of a pigment such as carbon black in a solution comprising a first solvent and a surfactant. The dispersion is disrupted in order to separate agglomerates. A non-conductive coating material is added. In some embodiments of the invention, the non-conductive coating comprises a polymer soluble in the first solvent, and the coating is prepared by addition of a second solvent in which the polymer is insoluble. In other embodiments, the non-conductive coating comprises a metal oxide, and the coating is prepared by addition of a metal alkoxide that hydrolyzes to form the coating. The non-conductive pigment particles are then separated from the supernatant liquid, dried, and reduced to a powder. Liquid crystal devices comprising the particles typically have a haze of less than 7% and a total transmittance of >55%.
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10.
公开(公告)号:US09910303B2
公开(公告)日:2018-03-06
申请号:US15309262
申请日:2015-05-04
Applicant: GAUZY LTD.
Inventor: Adrian Lofer , Eyal Peso , Dimitri Dobrenko , Yair Asulin
IPC: F23Q23/08 , G02F1/13 , G02F1/1334 , E06B9/24 , G01N21/47
CPC classification number: G02F1/1309 , E06B9/24 , E06B2009/247 , G01N21/47 , G02F1/1303 , G02F1/1334
Abstract: Electrical switchable glasses production comprising the steps of: (a) providing a first and second cover glass; (b) providing a PDLC or other electrically switchable film; (c) providing a first and second layer of adhesive interlayer; (d) providing a PDLC inspection station further comprising: (i) a levelled-up table; (ii) means for inspecting properties of the PDLC film and/or glasses selected from the group consisting of electric properties, optical properties, mechanical properties and any combination thereof; (e) placing the first cover glass onto the levelled-up table; (f) spreading a first layer of adhesive interlayer (g) spreading the PDLC film over the previously placed adhesive interlayer; (h) spreading a second layer of adhesive interlayer; (i) covering the PDLC film by means of the second cover glass; (j) laminating the PDLC film between the first and second cover glasses; and (k) inspecting the glass properties by means of the PDLC inspection station before and after laminating the PDLC film.
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