Chiral agent for liquid crystal, liquid crystal composition and polymer, as well as filter for optical recording medium, optical recording medium and color filter liquid for crystal

Abstract

The chiral agent used for liquid crystal according to the present invention comprises a phosphoric acid amide represented by General Formula (1) below:

Description

BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWING

FIG. 1 is a schematic sectional view showing exemplarily an optical recording medium according to the present invention.

Claims

1. A chiral agent used for liquid crystal, comprising a phosphoric acid amide represented by General Formula (1) below:

2. A liquid crystal composition, comprising a chiral agent used for liquid crystal and a liquid crystalline compound, wherein the chiral agent used for liquid crystal comprises a phosphoric acid amide represented by General Formula (1) below:

3. The liquid crystal composition according to claim 2, further comprising a photopolymerization initiator.

4. The liquid crystal composition according to claim 2, wherein the liquid crystalline compound comprises at least a polymerizable group.

5. The liquid crystal composition according to claim 4, wherein the polymerizable group is an ethylenic double bond.

6. A polymer produced by way of polymerizing a liquid crystal composition, wherein the liquid crystal composition comprises a chiral agent used for liquid crystal and a liquid crystalline compound, andthe chiral agent used for liquid crystal comprises a phosphoric acid amide represented by General Formula (1) below:

7. The polymer according to claim 6, which is a cholesteric liquid crystal polymer.

8. A filter used for optical recording media, comprising a polymer produced by way of polymerizing a liquid crystal composition, wherein the liquid crystal composition comprises a chiral agent used for liquid crystal and a liquid crystalline compound, andthe chiral agent used for liquid crystal comprises a phosphoric acid amide represented by General Formula (1) below:

9. An optical recording medium, comprising a filter used for optical recording media that comprises a polymer produced by way of polymerizing a liquid crystal composition, wherein the liquid crystal composition comprises a chiral agent used for liquid crystal and a liquid crystalline compound, andthe chiral agent used for liquid crystal comprises a phosphoric acid amide represented by General Formula (1) below:

10. The optical recording medium according to claim 9, which comprises: a first substrate,a second substrate,a recording layer which records information on the second substrate by use of holography, anda filter used for optical recording media between the second substrate and the recording layer,wherein the filter used for optical recording media comprises a polymer produced by way of polymerizing a liquid crystal composition,the liquid crystal composition comprises a chiral agent used for liquid crystal and a liquid crystalline compound, andthe chiral agent used for liquid crystal comprises a phosphoric acid amide represented by General Formula (1) below:

11. A color filter for liquid crystal, comprising a chiral agent for liquid crystal that comprises a phosphoric acid amide represented by General Formula (1) below:

12. A color filter for liquid crystal, comprising a polymer produced by way of polymerizing a liquid crystal composition, wherein the liquid crystal composition comprises a chiral agent used for liquid crystal and a liquid crystalline compound, andthe chiral agent used for liquid crystal comprises a phosphoric acid amide represented by General Formula (1) below:

13. An optical filter, comprising a chiral agent for liquid crystal that comprises a phosphoric acid amide represented by General Formula (1) below: