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- Nachgewiesen in: USPTO Patent Grants
- Sprachen: English
- Patent Number: 11939,508
- Publication Date: March 26, 2024
- Appl. No: 17/906504
- Application Filed: December 01, 2020
- Assignees: BEIJING BAYI SPACE LCD TECHNOLOGY CO., LTD. (Beijing, CN)
- Claim: 1. A polymerizable compound, wherein the polymerizable compound has a structure as shown in general formula I: [chemical expression included] wherein the P 1 and P 2 each independently represent an acrylate group, a methacrylate group, a fluoroacrylate group, a chloroacrylate group, an ethyleneoxy group, an oxetanyl group, or an epoxy group; the Z 1 and Z 2 each independently represent a single bond, —O—, —S—, —CO—, —CO—O—, —O—CO—, —O—CO—O—, —CH═N—, —N═CH—, —N═N—, a C 1 -C 12 alkylene group, or a C 2 -C 12 alkenyl group, wherein one or more non-adjacent —CH 2 — groups may each independently be replaced by —O—, —S—, —NH—, —CO—, COO—, —OCO—, —OCOO—, —SCO—, —COS—or —C═C— in a way that is not directly connected to each other; L 1 , L 2, L 3, L 4, L 5, and L 6 each independently represent H, —F, —Cl, CH 3, —C 2 H 5, —OCH 3, —OC 2 H 5, —CF 3 or OCF 3; and L 1 and L 2 are not both H; L 3 and L 4 are not both H; L 5 and L 6 are not both H.
- Claim: 2. The polymerizable compound according to claim 1 , wherein P 1 and P 2 each independently represent a methacrylate group, an acrylate group, a fluoroacrylate group or a chloroacrylate group.
- Claim: 3. The polymerizable compound according to claim 2 , wherein P 1 and P 2 each independently represent a methacrylate group or an acrylate group.
- Claim: 4. The polymerizable compound according to claim 1 , wherein Z 1 and Z 2 each independently represent a single bond, —O—, —S—, —CO—O—, —O—CO—, a C 1 -C 6 alkylene group, or a C 2 -C 6 alkenyl group, wherein one or more non-adjacent —CH 2 — groups may each independently be replaced by —O— in a way that is not directly connected to each other.
- Claim: 5. The polymerizable compound according to claim 4 , wherein Z 1 and Z 2 each independently represent a single bond, —O—, a C 1 -C 6 alkylene group or alkoxy group.
- Claim: 6. The polymerizable compound according to claim 1 , wherein L 1 , L 2, L 3, L 4, L 5, and L 6 each independently represent —F, —CH 3, or —OCH 3 .
- Claim: 7. The polymerizable compound according to claim 1 , wherein the polymerizable compound is selected from one of the following compounds: [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included] [chemical expression included]
- Claim: 8. A method for preparing the polymerizable compound according to claim 1 , wherein a synthetic route is as follows: [chemical expression included]
- Claim: 9. A liquid crystal composition, wherein the liquid crystal composition comprises the polymerizable compound according to claim 1 .
- Claim: 10. A method of using the polymerizable compound according to claim 1 in a field of liquid crystal displays.
- Claim: 11. The liquid crystal composition according to claim 9 , wherein the polymerizable compound in the liquid crystal composition has a mass fraction of 0.01-10%.
- Claim: 12. The liquid crystal composition according to claim 11 , wherein the polymerizable compound in the liquid crystal composition has a mass fraction of 0.01-5%.
- Claim: 13. The liquid crystal composition according to claim 12 , wherein the polymerizable compound in the liquid crystal composition has a mass fraction of 0.1-3%.
- Claim: 14. The method of using the polymerizable compound according to claim 10 in a liquid crystal display device.
- Claim: 15. The method of using the polymerizable compound according to claim 14 , wherein the liquid crystal display device comprises a TN, ADS, VA, PSVA, FFS, or IPS liquid crystal display.
- Claim: 16. The method of using the liquid crystal composition according to claim 9 in a field of liquid crystal displays.
- Claim: 17. The method of using the liquid crystal composition according to claim 16 in a liquid crystal display device.
- Claim: 18. The method of using the liquid crystal composition according to claim 17 , wherein the liquid crystal display device comprises a TN, ADS, VA, PSVA, FFS, or IPS liquid crystal display.
- Patent References Cited: 20230142277 May 2023 Dai ; 2020048946 March 2020
- Other References: International Search Report issued in International Application No. PCT/CN2020/133017; dated Mar. 8, 2021; 8 pgs. cited by applicant ; Written Opinion of the International Searching Authority issued in International Application No. PCT/CN2020/133017; dated Mar. 8, 2021; 7 pgs. cited by applicant
- Primary Examiner: Visconti, Geraldina
- Attorney, Agent or Firm: HAUPTMAN HAM, LLP
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