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    Electrochromic medium capable of producing a pre-selected color
    1.
    发明授权
    Electrochromic medium capable of producing a pre-selected color 失效
    能够产生预先选择的颜色的电致变色介质

    公开(公告)号：US6020987A

    公开(公告)日：2000-02-01

    申请号：US832596

    申请日：1997-04-02

    申请人： Kelvin L. Baumann ,  Harlan J. Byker ,  Thomas F. Guarr ,  Kathy E. Siegrist ,  David A. Theiste ,  Derick D. Winkle

    发明人： Kelvin L. Baumann ,  Harlan J. Byker ,  Thomas F. Guarr ,  Kathy E. Siegrist ,  David A. Theiste ,  Derick D. Winkle

    IPC分类号： B32B17/10 ,  C09K9/02 ,  G02F1/15 ,  G02F1/153

    CPC分类号： G02F1/1521 ,  B32B17/10036 ,  B32B17/10174 ,  B32B17/10302 ,  B32B17/10513 ,  C09K9/02 ,  G02F1/15 ,  G02F1/1523 ,  G02F2001/1512

    摘要： An improved electrochromic device, the device incorporating an electrochromic medium that comprises at least three electroactive materials having absorption spectra that add together such that the color of the electrochromic medium can be pre-selected by individually choosing the concentrations of the at least three electroactive materials. The electrochromic medium generally maintains the pre-selected perceived color throughout its normal range of voltages when used in an electrochromic device. The at least three electroactive materials include at least one electrochemically reducible material (cathodic material), at least one electrochemically oxidizable material (anodic material) and at least one additional electroactive material which may be either an anodic or cathodic material. Thus, there are always three electroactive materials present in the medium, with at least two either being anodic or cathodic materials. The pre-selected color may be chosen from a wide variety of colors and may be, for example, red, orange, yellow, green, blue, purple. For electrochromic mirrors for motor vehicles, a presently preferred color is gray.

    摘要翻译： 一种改进的电致变色装置，该装置包含电致变色介质，其包含至少三种具有吸收光谱的电活性材料，所述电活性材料相加在一起，使得电致变色介质的颜色可以通过单独选择至少三种电活性材料的浓度来预先选择。 当电致变色装置中使用时，电致变色介质通常保持其预定的感知颜色在其正常的电压范围内。 至少三种电活性材料包括至少一种电化学可还原材料（阴极材料），至少一种电化学可氧化材料（阳极材料）和至少一种额外的电活性材料，其可以是阳极或阴极材料。 因此，介质中总是存在三种电活性材料，至少有两种是阳极或阴极材料。 预选颜色可以从各种颜色中选择，并且可以是例如红，橙，黄，绿，蓝，紫。 对于用于机动车辆的电致变色镜，目前优选的颜色是灰色。

    Electrochromic layer and devices comprising same
    2.
    发明授权
    Electrochromic layer and devices comprising same 有权

    公开(公告)号：US06248263B1

    公开(公告)日：2001-06-19

    申请号：US09361923

    申请日：1999-07-27

    申请人： William L. Tonar ,  Harlan J. Byker ,  Kathy E. Siegrist ,  John S. Anderson ,  Kevin L. Ash

    发明人： William L. Tonar ,  Harlan J. Byker ,  Kathy E. Siegrist ,  John S. Anderson ,  Kevin L. Ash

    IPC分类号： G02F100

    CPC分类号： G02F1/15 ,  C09K9/02

    摘要： The present invention provides improved electrochromic layers, which comprise polymeric matrices with electrochromic solutions interspersed therein. Varying an electrical potential difference across a layer of the invention results in reversible variation in the transmittance of light across the layer because of electrochemical processes in the electrochromic solution of the layer. The invention further provides electrochromic devices, in which the electrochromic layers of the invention provide reversibly variable transmittance to light, and various apparatus in which the devices of the invention provide light-filtering or light-color modulation. Such apparatus include windows, including those for use inside and on the outside walls of buildings and in sunroofs for automobiles, and variable reflectance mirrors, especially rearview mirrors for automobiles.