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US 12,304,995 B2Granted
Electrochromic polymers with high optical contrasts
AssigneeAmbilight Inc.
InventorsJianguo Mei, Liyan You, Kuluni Perera, Wenting Wu
Life of this patent
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Abstract
A new electrochromic polymer with high optical contrast and an electrochromic device incorporating the electrochromic polymer are presented. The electrochromic polymer includes side chains selected from C5-C20 linear or branched alkyl.
Claims12
An electrochromic polymer, comprising a formula of
- wherein n is an integer greater than 0;
- n1, n2, and n3 are no less than 0, and a sum of n1, n2, and n3 equals 1;
- and
- the electrochromic polymer has a side chain density calculated by a total mass percentage of side chains with respect to a mass of the electrochromic polymer.
1 more element
Dependencies are inferred from the claim text.