Electrochromic device having identical display and counter electrode materials专利检索-电致变色电极电气元件和设备专利检索查询-专利查询网

Electrochromic device having identical display and counter electrode materials

阅读：942发布：2022-08-16

专利汇可以提供Electrochromic device having identical display and counter electrode materials专利检索，专利查询，专利分析的服务。并且An electro-optical device is provided which is useful in control of visible and infrared absorption by windows, data display devices and the like typically comprising an electrochromic material as the display area, the same type of electrochromic material serving as an electrode for the device.，下面是Electrochromic device having identical display and counter electrode materials专利的具体信息内容。

权利要求

1. A variable light transmission device comprising a layer of a persistent electrochromic material, a counter electrode comprising the same persistent electrochromic material as said layer, a semi-solid electrolyte in contact with both said layer and said counter electrode, means to form separate electrical contact with each of said layer and said counter electrode, and means to contain said layer, counter electrode and electrolyte, said means having at least a portion that is light transmitting.

2. A variable light transmission device, as in claim 1, which comprises at least two layers of a persistent electrochromic material formed from the same original deposit, wherein one of said layers is used as the counter electrode.

3. The device of claim 1 wherein the semi-solid electrolyte is a sulfuric acid-polyvinyl alcohol gel.

4. The device of claim 3 wherein the gel electrolyte has a conductance of at least that of 4M H2SO4.

5. The device of claim 2 wherein the semi-solid electrolyte is in face to face electrical contact with two separate but identical films of tungsten oxide.

6. the device of claim 2 wherein at least one of the electrodes is substantially transparent.

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Electrochromic device having identical display and counter electrode materials

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