A flexible display panel, a method manufacturing thereof, and a display device are provided. The flexible display panel includes a first substrate, a first alignment film, a second substrate, a second alignment film, and a liquid crystal layer. When a current is applied to the first alignment film and the second alignment film, liquid crystals in the first liquid crystal layer have a first inclination angle with the first alignment film, and have a second inclination angle with the second alignment film. When the first inclination angle is 90°, the second inclination angle is less than 90°; and when the second inclination angle is 90°, the first inclination angle is less than 90°.

A liquid crystal aligning agent composition for forming a liquid crystal alignment film that can exhibit excellent alignment and electrical characteristics and simultaneously having enhanced durability, a method for preparing a liquid crystal alignment film using the liquid crystal aligning agent composition, and a liquid crystal alignment film comprising an aligned and cured product of the liquid crystal aligning agent composition and a liquid crystal display device comprising the liquid crystal alignment film.

A liquid crystal cell in which antenna units are arranged includes a TFT substrate, a slot substrate, and a liquid crystal layer. The TFT substrate includes a first dielectric substrate, TFTs supported by the first dielectric substrate and patch electrodes electrically connected to the TFTs, and a first alignment film covering a groove part between the adjacent patch electrodes. The slot substrate includes a second dielectric substrate, a slot electrode including slots and supported by the second dielectric substrate, and a second alignment film covering the slot electrode. The liquid crystal layer sandwiched between the TFT substrate and the slot substrate. The liquid crystal layer includes a liquid crystal material having a lower limit temperature of a nematic phase of the liquid crystal material of −32° C. or lower and an upper limit temperature of the nematic phase of the liquid crystal material of 110° C. or higher.

A liquid crystal alignment film comprising a polymer, having an excellent alignment property, stability, and high film strength, and thus exhibiting excellent durability and a high residual image characteristic, and a liquid crystal display device using the liquid crystal alignment film.

The present invention relates to a liquid crystal aligning agent composition including a terminal modifier of a specific chemical structure together with a polyimide or a precursor polymer thereof.

The present invention relates to a liquid crystal alignment agent composition comprising degradable liquid crystal alignment polymer; and a catalyst precursor compound of a specific structure, a method for preparing a liquid crystal alignment film, a liquid crystal alignment film using the liquid crystal alignment agent composition and a liquid crystal display using the liquid crystal alignment film.

Provided are a composition for a liquid crystal alignment agent, a manufacturing method of a liquid crystal alignment film, a liquid crystal alignment film using the same, and a liquid crystal display device including the liquid crystal alignment film. More specifically, there are provided the manufacturing method of a liquid crystal alignment film capable of providing the liquid crystal alignment film in which light irradiation energy is able to be reduced, and alignment characteristic and stability are excellent and the voltage holding ratio and electrical characteristics are also excellent through a simple process including applying and drying the composition for a liquid crystal alignment agent on the substrate, directly performing light irradiation to conduct alignment treatment while a high-temperature heat treatment process is omitted, followed by curing by heat treatment, the liquid crystal alignment film, and the liquid crystal display device including the same.

The present invention provides a liquid crystal aligning agent composition that has excellent storage stability, can secure a high imidization rate, and can produce a liquid crystal alignment film having improved film strength together with liquid crystal alignment properties, a method for producing a liquid crystal alignment film using the same, and a liquid crystal alignment film and a liquid crystal display device using the same.

Disclosed is a manufacturing method of a liquid crystal display device which is a manufacturing method of a liquid crystal display device including a liquid crystal alignment film to which an alignment regulating force is imparted by a photo-alignment treatment, including: a film forming step of forming a film containing a polymer whose main chain is cleaved by irradiation with light; a photo-alignment step of imparting an alignment regulating force to the film formed in the film forming step by irradiation of the film with light in an atmosphere of a temperature lower than 100° C.; and a removing step of removing a low-molecular weight component generated by cleaving the main chain of the polymer through the light irradiation after the light irradiation. Also disclosed is a liquid crystal display device manufactured by the manufacturing method.

The present invention relates to a liquid crystal alignment agent composition comprising a polymerizable liquid crystal alignment polymer; and a catalyst precursor compound of a specific structure, a method for preparing a liquid crystal alignment film using the same, and a liquid crystal alignment film and a liquid crystal display using the same.