摘要:
Provided is an optically anisotropic film exhibiting excellent reverse wavelength dispersibility, a laminate, a circularly polarizing plate, and a display device. The optically anisotropic film includes a J-aggregate having an absorption peak of a J-band on a wavelength side longer than a wavelength of 700 nm, in which an absorption at a wavelength of 700 to 900 nm in a fast axis direction of the optically anisotropic film is larger than an absorption at a wavelength of 700 to 900 nm in a slow axis direction of the optically anisotropic film.
摘要:
The present invention provides a compound, a composition, a cured object, an optically anisotropic body, and a reflective film which have high refractive index anisotropy Δn and excellent light resistance, and which exhibit liquid crystallinity. The compound of the present invention is a compound represented by General Formula (1).
摘要:
An optically anisotropic layer is formed by a liquid crystal compound represented by General Formula 1, in which the long axes of the molecules are oriented. wherein L1 and L2 independently represent a linking group having a carbonyl group; F1 and F2 independently represent an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or a halogen atom; n and m independently represent an integer from 0 to 4; a and b independently represent an integer from 1 to 4; T1 and T2 independently represent a spacer portion including a straight chain or branched alkylene or alkylene oxide group having 2 to 20 carbon atoms; and Ar represents a divalent group having at least one aromatic ring selected from a group consisting of aromatic hydrocarbon rings and aromatic heterocycles, the number of Π electrons in the Ar group being 8 or greater.
摘要:
Disclosed is an optical film for 3D image display devices, including at least an optically-anisotropic layer formed of a composition that includes, as the main ingredient thereof, a discotic liquid crystal having at least one polymerizable group, wherein the optically-anisotropic layer is a patterned optically-anisotropic layer which includes a first retardation domain and a second retardation domain differing from each other in at least one of the in-plane slow axis direction and retardation in-plane thereof and in which the first and second retardation domains are alternately arranged in plane.
摘要:
Provided is an optically anisotropic film exhibiting reverse wavelength dispersibility with excellent thickness-direction phase differences, a laminate, a circularly polarizing plate, and a display device. The optically anisotropic film of an embodiment of the present invention satisfies the following Requirements 1 to 4. Requirement 1: In a case of irradiation with P-polarized light and S-polarized light, which are linearly polarized light perpendicular to each other, from a direction inclined by 45° from a normal direction of a film surface of the optically anisotropic film, an absorption intensity ratio in a case of irradiation with S-polarized light to an absorption intensity in a case of irradiation with P-polarized light is 1.02 or more in an absorption intensity at a wavelength having a largest absorption in a wavelength range of 700 to 900 nm. Requirement 2: Re(550)
摘要:
The present invention provides a compound by which high refractive index anisotropy Δn and inhibition of colorability can be compatible. The present invention further provides a composition including the above-mentioned compound, a cured object, an optically anisotropic body, and a reflective film. The compound of the present invention is represented by General Formula (1).
摘要:
Provided are: a color filter for an image sensor in which an infrared filter having no particulate defects or the like can be laminated adjacent to an image pickup element and in which the total thickness of an image sensor can be significantly reduced; an image sensor including the color filter for an image sensor; and a method of manufacturing the color filter for an image sensor. The color filter for an image sensor includes: two or more absorbing color filters that absorb light components having different wavelength ranges; and a cholesteric reflecting layer in which a right circularly polarized light cholesteric layer having right circularly polarized light reflecting properties and a left circularly polarized light cholesteric layer having left circularly polarized light reflecting properties are laminated.
摘要:
An optically anisotropic layer is formed by a liquid crystal compound represented by General Formula 1, in which the long axes of the molecules are oriented. wherein L1 and L2 independently represent a linking group having a carbonyl group; F1 and F2 independently represent an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or a halogen atom; n and m independently represent an integer from 0 to 4; a and b independently represent an integer from 1 to 4; T1 and T2 independently represent a spacer portion including a straight chain or branched alkylene or alkylene oxide group having 2 to 20 carbon atoms; and Ar represents a divalent group having at least one aromatic ring selected from a group consisting of aromatic hydrocarbon rings and aromatic heterocycles, the number of Π electrons in the Ar group being 8 or greater.
摘要:
A laminate includes at least one first reflective layer formed by immobilizing a liquid crystal phase in which a rotational direction of the helical axis is rightward, and at least one second reflective layer formed by immobilizing a liquid crystal phase in which the rotational direction of the helical axis is leftward, in which the laminate has a first transmission band in the wavelength range of 300 to 3,000 nm, the half-width of the first transmission band is 200 nm or less, an average transmittance in a wavelength range from a half-value wavelength A on the short wavelength side of the first transmission band to a half-value wavelength B on the long wavelength side of the first transmission band is 50% or more, and the average transmittance in the wavelength range of 100 nm from the half-value wavelength A to the short wavelength side and the average transmittance in the wavelength range of 100 nm from the half-value wavelength B to the long wavelength side are respectively less than 20%.
摘要:
Provided are a composition capable of forming an optically anisotropic film exhibiting a negative Nz factor, an optically anisotropic film, a circularly polarizing plate, a display device, a compound, and a method for producing a compound. The composition includes a non-coloring lyotropic liquid crystal compound represented by Formula (X) (Rx1-(Lx1-Lx2-Rx2)n)a−(Mb+)c.