View. has been granted a patent for a method of fabricating solid-state electrochromic devices using entirely solid and inorganic materials. The innovative approach enhances performance and reliability by forming an ion-conducting, electronically insulating interfacial region between the electrochromic and counter electrode layers. GlobalData’s report on View gives a 360-degree View of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on View, Smart windows was a key innovation area identified from patents. View's grant share as of June 2024 was 45%. Grant share is based on the ratio of number of grants to total number of patents.
Solid-state electrochromic device fabrication method
The granted patent US12043890B2 outlines a method for fabricating an electrochromic device, emphasizing the construction of the device without the need for an ionically conducting and electrically insulating layer between the electrochromic layer and the counter electrode layer. The electrochromic layer is formed using tungsten oxide combined with various metal oxides, including molybdenum oxide, vanadium oxide, and titanium oxide. The counter electrode layer is composed of nickel oxide mixed with tungsten oxide and tantalum. The patent specifies that the electrochromic device is entirely solid-state, which may enhance its durability and performance.
Additionally, the patent describes a method for fabricating an electrochromic device from a precursor that includes a substrate, an electrochromic layer, and a counter electrode layer in direct contact. This precursor is sandwiched between two transparent conducting oxide layers, maintaining the solid-state configuration. After the initial formation, an ionically conducting and electrically insulating material can be introduced between the electrochromic and counter electrode layers. The claims further detail variations of the electrochromic material, allowing for combinations of tungsten oxide with different metal oxides, thereby providing flexibility in the device's composition and potential applications.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
