Dye compound, composition comprising dye compound, and display device using dye compound

A composition, comprising:

• a liquid crystalline compound;
• and
• a dye compound,
• wherein the dye compound is represented by Formula 1:
• wherein in Formula (1),
• HAr is or
• R1 and R1′ are each independently a hydrogen atom, a halogen atom, a carboxyl group, an aldehyde group, a hydroxyl group, a cyano group, a nitro group, an alkyl group of C1-20, an alkoxy group of C1-20,
• wherein R11 and R12 are each independently a hydrogen atom, an alkyl group of C1-10, an alkoxy group of C1-10, an alkylalcohol group of C1-10, an alkylamino group of C1-10, an allyl group of C3-20, an acryloyl group, an acrylate group, a methacryloyl group, or a methacrylate group, *—(CH2)n—R13, wherein n is an integer of 1 to 20, and R13 is a halogen atom, a hydroxyl group, an amine group, an acryloyl group, an acrylate group, a methacryloyl group, or a methacrylate group, or *—(CH2)n—R14, wherein n is an integer of 1 to 20, and R14 is a halogen atom, a hydroxyl group, an amine group, an acryloyl group, an acrylate group, a methacryloyl group, or a methacrylate group, or each of R1 and R1′ forms an aromatic ring together with any one of adjacent X1, X2, X1′, and X2′;
• R2, R3, R2′, and R3′ are each independently a hydrogen atom, a halogen atom, an aldehyde group, a hydroxyl group, a cyano group, a nitro group, an alkyl group of C1-5, an alkoxy group of C1-5,
• wherein R21 and R22 are each independently a hydrogen atom, an alkyl group of C1-5, an alkoxy group of C1-5, an alkylalcohol group of C1-5, or an alkylamino group of C1-5, *—(CH2)n—R23, wherein n is an integer of 1 to 5, and R23 is a halogen atom, a hydroxyl group, an amine group, an acryloyl group, an acrylate group, a methacryloyl group, or a methacrylate group, or *—(CH2)n—R24, wherein n is an integer of 1 to 5, and R24 is a halogen atom, a hydroxyl group, an amine group, an acryloyl group, an acrylate group, a methacryloyl group, or a methacrylate group, or each of R2, R3, R2′ and R3′ forms an aromatic ring together with any one of adjacent X1, X2, X1′, and X2′;
• and
• X1, X2, X1′, and X2′ are each independently a hydrogen atom, a halogen atom, an aldehyde group, a hydroxyl group, a cyano group, a nitro group, an alkyl group of C1-5, or an alkoxy group of C1-5, or each of X1, X2, X1′, and X2′ forms an aromatic ring together with any one of adjacent R1, R2, R3, R1′, R2′, and R3′.

A display device, comprising:

• a polarizing layer containing a dye compound represented by Formula 1:
• wherein in Formula (1),
• HAr is
• R1 and R1′ are each independently a hydrogen atom, a halogen atom, a carboxyl group, an aldehyde group, a hydroxyl group, a cyano group, a nitro group, an alkyl group of C1-20, an alkoxy group of C1-20,
• wherein R11 and R12 are each independently a hydrogen atom, an alkyl group of C1-10, an alkoxy group of C1-10, an alkylalcohol group of C1-10, an alkylamino group of C1-10, an allyl group of C3-20, an acryloyl group, an acrylate group, a methacryloyl group, or a methacrylate group, *—(CH2)n—R13, wherein n is an integer of 1 to 20, and R13 is a halogen atom, a hydroxyl group, an amine group, an acryloyl group, an acrylate group, a methacryloyl group, or a methacrylate group, or *—(CH2)n—R14, wherein n is an integer of 1 to 20, and R14 is a halogen atom, a hydroxyl group, an amine group, an acryloyl group, an acrylate group, a methacryloyl group, or a methacrylate group, or each of R1 and R1′ forms an aromatic ring together with any one of adjacent X1, X2, X1′, and X2′;
• R2, R3, R2′, and R3′ are each independently a hydrogen atom, a halogen atom, an aldehyde group, a hydroxyl group, a cyano group, a nitro group, an alkyl group of C1-5, an alkoxy group of C1-5,
• wherein R21 and R22 are each independently a hydrogen atom, an alkyl group of C1-5, an alkoxy group of C1-5, an alkylalcohol group of C1-5, or alkylamino group of C1-5, *—(CH2)n—R23, wherein n is an integer of 1 to 5, and R23 is a halogen atom, a hydroxyl group, an amine group, an acryloyl group, an acrylate group, a methacryloyl group, or a methacrylate group, or *—(CH2)n—R24, wherein n is an integer of 1 to 5, and R24 is a halogen atom, a hydroxyl group, an amine group, an acryloyl group, an acrylate group, a methacryloyl group, or a methacrylate group, or each of R2, R3, R2′ and R3′ forms an aromatic ring together with any one of adjacent X1, X2, X1′, and X2′;
• and
• X1, X2, X1′, and X2′ are each independently a hydrogen atom, a halogen atom, an aldehyde group, a hydroxyl group, a cyano group, a nitro group, an alkyl group of C1-5, or an alkoxy group of C1-5, or each of X1, X2, X1′, and X2′ forms an aromatic ring together with any one of adjacent R1, R2, R3, R1′, R2′, and R3′.