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    BUFFER PRE-ACTIVATION FOR ELECTROCHROMIC DEVICE
    1.
    发明公开
    BUFFER PRE-ACTIVATION FOR ELECTROCHROMIC DEVICE 审中-公开

    公开(公告)号：US20240295788A1

    公开(公告)日：2024-09-05

    申请号：US18663298

    申请日：2024-05-14

    Applicant: Gentex Corporation

    Inventor： Mario F. Saenger Nayver ,  John S. Anderson ,  George A. Neuman

    IPC: G02F1/163 ,  G02F1/1514

    CPC classification number: G02F1/163 ,  G02F1/1514

    Abstract: An electrochromic device, system using, and method for, which may pre-activate a buffer is disclosed. The electrochromic device may comprise a first substrate, a second substrate, a first electrode, a second electrode, and an electrochromic medium. The second substrate may be disposed in apart relationship with the first substrate. The first and second electrodes may be associated with the first and second substrates, respectively. The electrochromic medium may be disposed between the first and second electrodes. Further, the electrochromic medium may comprise electrochromic materials and a redox buffer. Each of the electrochromic materials and the buffer may be operable between activated and deactivated states. The electrochromic device may be configured to apply a voltage to substantially pre-activate the buffer and hold the buffer in this state prior to substantially activating the electrochromic materials, thereby decreasing the response time of the electrochromic device upon activation.

    ELECTRO-OPTIC ELEMENT
    3.
    发明申请
    ELECTRO-OPTIC ELEMENT 有权

    公开(公告)号：US20220206353A1

    公开(公告)日：2022-06-30

    申请号：US17566747

    申请日：2021-12-31

    Applicant: GENTEX CORPORATION

    Inventor： George A. Neuman ,  Yuping Lin ,  Mario F. Saenger Nayver ,  John S. Anderson ,  Jeffery A. Forgette ,  Gary J. Dozeman ,  Sheng Liu

    IPC: G02F1/155 ,  G02F1/1343 ,  G02F1/1333

    Abstract: An improved electro-optic element is disclosed. The electro-optic element may comprise a first substrate, a second substrate, a first electrode, a second electrode, and/or an electro-active medium. The first electrode may be associated with a surface of the first substrate. Likewise, the second electrode may be associated with a surface of the second substrate. The first and second substrates may be disposed in a substantially parallel, spaced apart relationship relative one another such that the first and second electrode face one another. The electro-active medium may be disposed between the first and second electrodes. Additionally, each of the first and second electrodes may comprise a conductive mesh and a layer. The layer may be electrically conductive and associated with an inner side of the mesh. Accordingly, the layer may serve as a lateral electrical distributor such that the electrical potential may be substantially uniform across the electrode.

    MULTI-REGION ELECTRO-OPTIC ELEMENT
    5.
    发明申请
    MULTI-REGION ELECTRO-OPTIC ELEMENT 有权

    公开(公告)号：US20210323476A1

    公开(公告)日：2021-10-21

    申请号：US17232582

    申请日：2021-04-16

    Applicant: GENTEX CORPORATION

    Inventor： Mario F. Saenger Nayver ,  George A. Neuman ,  John S. Anderson ,  Yuping Lin ,  Eric A. Gobrogge

    IPC: B60R1/08 ,  G02F1/015 ,  B60R1/12 ,  G06K9/00

    Abstract: An electro-optic element having multiple regions is disclosed. The electro-optic element comprises an electro-optic medium disposed between two electrodes. Further, the electro-optic medium is operable between activated and un-activated states based, at least in part, on exposure to an electrical potential. In some embodiments, in response to an electrical potential of a first polarity, the electro-optic medium may be substantially activated in one region and substantially un-activated in another region. In response to an electrical potential of a second polarity opposite the first polarity, the electro-optic medium may be substantially activated in both regions. In other embodiments, the electro-optic medium is operably activated such that electro-optic medium is activated in one region and un-activated in another region, regardless of polarity.

    VARIABLY TRANSMISSIVE WINDOW WITH TUNABLE DYNAMIC RANGE
    6.
    发明申请
    VARIABLY TRANSMISSIVE WINDOW WITH TUNABLE DYNAMIC RANGE 有权

    公开(公告)号：US20210277711A1

    公开(公告)日：2021-09-09

    申请号：US17190817

    申请日：2021-03-03

    Applicant: GENTEX CORPORATION

    Inventor： George A. Neuman ,  Mario F. Saenger Nayver ,  John S. Anderson ,  David M. Ellis ,  Matthew A. Koppey ,  Stephen F. Richlich

    IPC: E06B9/24 ,  G02F1/17 ,  G02F1/157 ,  G02F1/1335 ,  E06B3/67 ,  B32B17/10

    Abstract: A variably transmissive electro-optic window that has an easily tunable dynamic range is disclosed. The window comprises a first substrate, a second substrate, a first electrode, a second electrode, an electro-optic medium, and at least one tuning layer. The first substrate has a first and a second surface. The first surface is in a first direction relative the second surface. The second substrate has a third and a fourth surface. The third surface is disposed in the first direction relative the fourth surface. The second substrate is disposed in a second direction opposite the first direction relative the first substrate. The second substrate is additionally disposed in a substantially parallel and spaced apart relationship with the first substrate. The first electrode is disposed in the second direction relative the first substrate. The second electrode is disposed in the first direction relative the second substrate. The electro-optic medium is disposed between the first and second electrodes. Additionally, the electro-optic medium is operable to vary a transmittance of light therethrough. Lastly, a tuning layer is substantially transparent and operable to attenuate the transmittance of visible light therethrough.

    Antireflection coatings
    7.
    发明授权
    Antireflection coatings 有权

    公开(公告)号：US11029518B2

    公开(公告)日：2021-06-08

    申请号：US16812499

    申请日：2020-03-09

    Applicant: Gentex Corporation

    Inventor： George A. Neuman ,  Mario F. Saenger Nayver ,  John S. Anderson

    IPC: G02B27/01 ,  G02B1/11 ,  G02F1/1335 ,  G02B1/113 ,  G02F1/157

    Abstract: A transparency includes a first substrate having a first surface and a second surface and a second substrate having a third surface and a fourth surface. An optical coating is positioned on the fourth surface and has a refractive index real component n of greater than about 1.6 and an nk ratio greater than about 0.4, both as measured at 550 nm. The optical coating is configured to attenuate the transmission of the second substrate and not substantially affect the reflectivity of the fourth surface, as viewed from the first surface, such that the attenuation factor is less than about 50%.

    IR transmitting coating for electro-optic element
    8.
    发明授权
    IR transmitting coating for electro-optic element 有权

    公开(公告)号：US10739661B2

    公开(公告)日：2020-08-11

    申请号：US15714512

    申请日：2017-09-25

    Applicant: Gentex Corporation

    Inventor： Mario F. Saenger Nayver ,  Jian Gao ,  John S. Anderson ,  George A. Neuman

    IPC: G02F1/153 ,  G02F1/157

    Abstract: The disclosure provides an electro-optic device. The device comprises a first substrate comprising a first surface and a second surface. The device further comprises a second substrate comprising a third surface and a fourth surface. The first substrate and the second substrate form a cavity between the second surface and the third surface. An electrochromic medium is disposed in the cavity. A transflective coating is disposed at the third surface, wherein the transflective coating comprises a multi-layer stack comprising alternating high-index (H) material and low-index (L) material.

    ELECTRODES FOR ELECTRO-OPTIC DEVICES AND METHODS OF MAKING THE ELECTRODES
    9.
    发明申请
    ELECTRODES FOR ELECTRO-OPTIC DEVICES AND METHODS OF MAKING THE ELECTRODES 审中-公开

    公开(公告)号：US20200233276A1

    公开(公告)日：2020-07-23

    申请号：US16724699

    申请日：2019-12-23

    Applicant: GENTEX CORPORATION

    Inventor： Jian Gao ,  George A. Neuman ,  Kurtis L. Geerlings

    IPC: G02F1/155 ,  G02F1/1335 ,  G02F1/1343

    Abstract: An electro-optic device is provided that includes a first substrate having an inner surface and an outer surface; a first electrode provided at the inner surface of the first substrate; a second substrate having an inner surface and an outer surface, wherein the inner surface of the second substrate faces the inner surface of the first substrate; a second electrode provided at the inner surface of the second substrate; and an electro-optic medium provided between the inner surfaces of the first and second substrates. The first electrode includes a metal mesh formed from metal tracings and having open areas between the metal tracings; and a first transparent conductive coating electrically coupled to the metal mesh and extending at least between the metal tracings so as to extend across the open areas.

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