LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE

• US 20180282624A1
• Filed: 09/25/2015
• Published: 10/04/2018
• Est. Priority Date: 11/12/2014
• Status: Abandoned Application

• Current Assignee: JNC Corporation (Chisso Corporation), JNC Petrochemical Corporation (Chisso Corporation)
• Original Assignee: JNC Corporation (Chisso Corporation), JNC Petrochemical Corporation (Chisso Corporation)
• Inventors: FURUSATO, Yoshimasa, SAITO, Masayuki
• Application Number:
  US15/525,072
• Publication Number:
  US 20180282624A1
• Time in Patent Office: Days
• CPC Class Codes: C08F 10/14 Monomers containing five or more carbon atoms
• CPC Class Codes: C08F 20/18 with acrylic or methacrylic acids
• CPC Class Codes: C08G 59/20 characterised by the epoxy compounds used
• CPC Class Codes: C08G 65/18 Oxetanes
• CPC Class Codes: C09K 19/3001 Cyclohexane rings
• CPC Class Codes: C09K 19/3066 in which the rings are linked by a chain containing carbon and oxygen atoms, e.g. esters or ethers
• CPC Class Codes: C09K 19/3068 chain containing -COO- or -OCO- groups
• CPC Class Codes: C09K 19/3402 having oxygen as hetero atom sugars C09K19/0422
• CPC Class Codes: C09K 19/54 Additives having no specific mesophase characterised by their chemical composition
• CPC Class Codes: C09K 19/542 Macromolecular compounds
• CPC Class Codes: C09K 2019/0448 the end chain group being a polymerizable end group, e.g. -Sp-P or acrylate
• CPC Class Codes: C09K 2019/122 Ph-Ph
• CPC Class Codes: C09K 2019/123 Ph-Ph-Ph
• CPC Class Codes: C09K 2019/3004 Cy-Cy
• CPC Class Codes: C09K 2019/3009 Cy-Ph
• CPC Class Codes: C09K 2019/301 Cy-Cy-Ph
• CPC Class Codes: C09K 2019/3015 Cy-Cy-Ph-Cy
• CPC Class Codes: C09K 2019/3016 Cy-Ph-Ph
• CPC Class Codes: C09K 2019/3021 Cy-Ph-Ph-Cy
• CPC Class Codes: C09K 2019/3025 Cy-Ph-Ph-Ph
• CPC Class Codes: C09K 2019/3027 : Compounds comprising 1,4-cyclohexylene and 2,3-difluoro-1,4-phenylene
• CPC Class Codes: C09K 2019/3036 : Cy-C2H4-Ph
• CPC Class Codes: C09K 2019/3037 : Cy-Cy-C2H4-Ph
• CPC Class Codes: C09K 2019/3078 : Cy-Cy-COO-Ph-Cy
• CPC Class Codes: C09K 2019/3422 : the heterocyclic ring being a six-membered ring
• CPC Class Codes: C09K 2019/3425 : Six-membered ring with oxygen(s) in fused, bridged or spiro ring systems
• CPC Class Codes: C09K 2019/548 : stabilizing the alignment; Polymer stabilized alignment
• CPC Class Codes: G02F 1/13 : based on liquid crystals, e.g. single liquid crystal display cells
• CPC Class Codes: G02F 1/137 : characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
• CPC Class Codes: G02F 1/13712 : the liquid crystal having negative dielectric anisotropy

Abstract

The means concerns a liquid crystal composition that has a nematic phase and negative dielectric anisotropy and includes a quencher as a first additive and a specific compound having a large negative dielectric anisotropy as a first component, and the composition may include a specific compound having a high maximum temperature or a small viscosity as a second component and a specific polymerizable compound.

Claims

1. A liquid crystal composition having a nematic phase and negative dielectric anisotropy and including at least one quencher as a first additive and at least one compound selected from the group of compounds represented by formula (2) as a first component:

2. The liquid crystal composition according to claim 1, wherein the first additive is a nonaromatic compound having conjugated double bonds, and the number of the conjugated double bonds is an integer from 2 to 10.

3. The liquid crystal composition according to claim 1, wherein the first additive is at least one compound selected from the group of compounds represented by formula (1-1) to formula (1-6):

4. The liquid crystal composition according to claim 1, wherein the first additive is at least one compound selected from the group of compounds represented by formula (1-1) to formula (1-6):

5. The liquid crystal composition according to claim 1, wherein the ratio of the first additive is in the range of 0.005% by weight to 2% by weight based on the weight of the liquid crystal composition.

6. The liquid crystal composition according to claim 1, including at least one compound selected from the group of compounds represented by formula (2-1) to formula (2-21) as a first component:

7. The liquid crystal composition according to claim 1, wherein the ratio of the first component is in the range of 10% by weight to 90% by weight based on the weight of the liquid crystal composition.

8. The liquid crystal composition according to claim 1, including at least one compound selected from the group of compounds represented by formula (3) as a second component:

9. The liquid crystal composition according to claim 1, including at least one compound selected from the group of compounds represented by formula (3-1) to formula (3-13) as a second component:

10. The liquid crystal composition according to claim 8, wherein the ratio of the second component is in the range of 10% by weight to 90% by weight based on the weight of the liquid crystal composition.

11. The liquid crystal composition according to claim 1, including at least one polymerizable compound selected from the group of compounds represented by formula (4) as a second additive:

12. The liquid crystal composition according to claim 11, wherein in formula (4), P¹, P² and P³ are independently a polymerizable group selected from the group of groups represented by formula (P-1) to formula (P-5):

13. The liquid crystal composition according to claim 1, including at least one polymerizable compound selected from the group of compounds represented by formula (4-1) to formula (4-27) as a second additive:

14. The liquid crystal composition according to claim 11, wherein the ratio of the second additive is in the range of 0.03% by weight to 10% by weight based on the weight of the liquid crystal composition.

15. A liquid crystal display device including the liquid crystal composition according to claim 1.

16. The liquid crystal display device according to claim 15, wherein the operating mode of the liquid crystal display device is an IPS mode, a VA mode, an FFS mode or an FPA mode, and the driving mode of the liquid crystal display device is an active matrix mode.

17. A liquid crystal display device with a polymer sustained alignment type, including the liquid crystal composition according to claim 11, where the polymerizable compound in the liquid crystal composition has been polymerized.

20. The liquid crystal composition according to claim 8, including at least one polymerizable compound selected from the group of compounds represented by formula (4) as a second additive:

18. (canceled)

19. (canceled)