Patent application number | Description | Published |
20150043071 | OPTICAL FILM - To provide an optical film excellent in suppression of light leakage in black display. An optical film having a first phase difference layer and a second phase difference layer, wherein the second phase difference layer has an optical property represented by the formula (3) and the optical film has optical properties represented by the formulae (1), (2) and (30): | 02-12-2015 |
20150160388 | PROCESS FOR PRODUCING OPTICALLY ANISOTROPIC FILM - A process for producing an optically anisotropic film having high transparency is provided. A process for producing an optically anisotropic film is provided, wherein the following steps are carried out in order:
| 06-11-2015 |
20150160389 | PROCESS FOR PRODUCING OPTICALLY ANISOTROPIC FILM - A process for producing an optically anisotropic film having a high Δn and superior optical performance is provided. The process includes the following steps (A) and (B) carried out in order: (A) a step of applying a composition for forming an optically anisotropic film to a substrate, the composition containing a photopolymerization initiator, a solvent and a polymerizable liquid crystal compound having a maximum absorption wavelength in a range of 250 nm to 370 nm, and (B) a step of applying light with wavelengths in the range of 200 nm to 500 nm that has an allowable variation range of less than 250 nm in wavelength. | 06-11-2015 |
20150160392 | PROCESS FOR PRODUCING OPTICALLY ANISOTROPIC FILM COMPONENT - A process for producing an optically anisotropic film component having few defects is provided. The process includes forming a coating continuously on a surface of an elongated film roll, and the process further includes a step of changing the conveyance direction of the elongated film roll on which the coating has been formed while blowing air to a surface of the coating formed on the elongated film roll. | 06-11-2015 |
Patent application number | Description | Published |
20160041320 | METHOD FOR PRODUCING OPTICALLY ANISOTROPIC FILM - A method for producing an optically anisotropic film is provided. The method includes a step of coating a composition for forming an optically anisotropic layer containing a polymerizable liquid crystal compound and a photopolymerization initiator onto the surface of an orientation layer, and a step of irradiating the coated composition for forming an optically anisotropic layer with light in an atmosphere of 0.5% or less of oxygen concentration, while keeping the composition for forming an optically anisotropic layer at a liquid crystal-liquid phase transition temperature of the polymerizable liquid crystal compound or less. | 02-11-2016 |
20160047962 | METHOD FOR PRODUCING OPTICALLY ANISOTROPIC FILM - A method is provided for producing an optically anisotropic film. The method includes the following steps: (1) a step of coating a composition for forming an optically anisotropic layer onto a surface of a substrate, or onto a surface of an orientation layer formed on the surface of the substrate; (2) a step of drying the coated composition for forming an optically anisotropic layer to form a dry coating; and (3) a step of cooling the dry coating at a rate of 6° C./sec or more to form an optically anisotropic film. | 02-18-2016 |
20160053176 | COMPOSITION FOR FORMING OPTICALLY ANISOTROPIC LAYER - A composition is provided for forming an optically anisotropic layer. The composition includes a polymerizable liquid crystal compound, a photopolymerization initiator, and an ester solvent having a boiling point of 120° C. to 200° C. and a vapor pressure of 0.7 kPa or less. | 02-25-2016 |
20160054495 | ORIENTATION FILM FORMING COMPOSITION - A composition for forming an orientation film is provided. The composition includes a material for forming an orientation film, N-methyl-2-pyrrolidone, and a hydrocarbon with a boiling point of 100° C. to 200° C. | 02-25-2016 |
20160062013 | ORIENTATION LAYER FOR OPTICALLY ANISOTROPIC FILM - An orientation layer is provided for an optically anisotropic film disposed between a substrate and an optically anisotropic film. The orientation layer has an orientation regulating force vertically orienting a liquid crystal compound without being subjected to orienting treatment. | 03-03-2016 |