Liquid crystal compounds and compositions and liquid crystal displays and photoelectric devices comprising the compounds and compositions

US8460766B2 · kind B2 · utility

Assignee

• Industrial Technology Research Institute · TW

Inventors

• Pei-Chen Huang · Danei, TW
• Kuo-Chang Wang · Taichung, TW
• Kuo-Liang Yeh · Hsinchu, TW
• An-Cheng Chen · Hsinchu, TW
• Kung-Lung Cheng · Hsinchu, TW
• Shyue-Ming Jang · Hsinchu, TW

Key dates

• Filing date: Jun 10, 2011
• Grant date: Jun 11, 2013
• Expiry date: Aug 24, 2031

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K2323/00
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A liquid crystal compound of Formula (1) is provided below:wherein R is hydrogen, linear or branching C1-15 alkyl, linear or branching C1-15 alkyl (wherein any one of —CH2— is replaced by —O—, —S—, —CO—, —CO—O—, or —O—CO—), linear or branching C2-15 alkenyl, or linear or branching C2-15 alkenyl (wherein any one of —CH2— is replaced by —O—, —S—, —CO—, —CO—O—, or —O—CO—), A and B are, independently, cyclohexane, cyclohexane (wherein any one of —CH2— is replaced by —O— or —NH—), benzene, or benzene (wherein any one of —CH2═ is replaced by —N═), X is a single bond, —CO—O—, —O—CO—, —CH2O—, —OCH2—, —CH2CH2—, —C═C—, —C≡C—, —CF2O—, or —OCF2—, Q is oxygen or CH2, Y is CF3, CF2H, or CFH2, L1, L2, and L3 are, independently, hydrogen or fluorine, and m is 0, 1, or 2.