Liquid crystal material applied to multi-response-mode smart window and application thereof

US12359129B2 · kind B2 · utility

Assignee

• HARBIN INSTITUTE OF TECHNOLOGY · CN

Inventors

• Jiaqi Zhu · Ekeren, BE
• Ruicong Zhang · Jingwei, CN
• Tianyu Wang · Los Altos, US
• Yurong He · Jingjiang, CN
• Zhibo Zhang · Raleigh, US
• Jiajun Li · Arlington, US
• Zicheng Song · Jingwei, CN
• Lei Yang · Shanghai, CN

Key dates

• Filing date: Jun 12, 2024
• Grant date: Jul 15, 2025
• Expiry date: Jun 12, 2044

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K2019/528
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Provided is a liquid crystal material applied to a multi-response-mode smart window and an application thereof. The present disclosure relates to a liquid crystal material and an application thereof. The problem of high drive voltage of the liquid crystal smart window based on dynamic scattering mode in the prior arts can be solved. The liquid crystal material applied to the multi-response-mode smart window is formed by mixing a dichroic dye, an ionic dopant and a liquid crystal. It is applied to preparing an electrohydrodynamics liquid crystal dimming device which is capable of switching among transparent state, light-absorbing state and scattering state under a drive voltage of 5V to 50V and a drive frequency of 1 Hz to 5 kHz.