Liquid Crystal Composition, Retardation Plate, and Elliptic Polarizing Plate
AssigneeFUJIFILM Corporation
InventorHideyuki Nishikawa
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Abstract
A liquid crystal composition is provided and includes: at least one kind of liquid crystal R exhibiting a liquid crystal phase having a positive birefringence property; and at least one kind of liquid crystal D exhibiting a liquid crystal phase having a negative birefringence property. The characteristic birefringence Δn (λ) at wavelength λ of the liquid crystal phase exhibited by the liquid crystal R satisfies the equation (II): Δn (450 nm)/Δn (550 nm)<1.0.
Claims8
A liquid crystal composition comprising:
- a liquid crystal R exhibiting a liquid crystal phase having a positive birefringence property;
- and
- a liquid crystal D exhibiting a liquid crystal phase having a negative birefringence property,
- wherein the liquid crystal phase exhibited by the liquid crystal R has a characteristic birefringence Δn (λ) at wavelength λ, the characteristic birefringence Δn (λ) satisfying equation (II):
- Δn(450 nm)/Δn(550 nm)<1.0.
A retardation plate comprising an optical anisotropic layer formed from a liquid crystal composition, wherein the optical anisotropic layer is biaxial and has a retardation satisfying equation (III):
- Re(450 nm)/Re(550 nm)<1.0
- wherein Re (λ) is a retardation value in a plane of the optical anisotropic layer at a wavelength λ.
Dependencies are inferred from the claim text.