Abstract: The purpose of the present invention is to realize the photo alignment film which has good alignment ability and good adhesive strength with the seal material. The structure of the invention is: A liquid crystal display device including a first substrate, having pixel electrodes and a first alignment film, and a second substrate adhere to each other by seal material, and the liquid crystal being sealed inside, in which the first alignment film is formed from a first polyimide, which receives a photo alignment treatment, and a second polyimide, which does not receive the photo alignment treatment, the first polyimide exists 75 to 98 weight % at a surface of the first alignment film on the pixel electrode and at an interface with the seal material, the second polyimide increases gradually in going to depth direction from the surface of the first alignment film in a cross sectional view.

Abstract: According to one embodiment, a photovoltaic cell module includes a light guide including a first main surface, a second main surface, a first side surface, a second side surface, a third side surface and a fourth side surface, an optical element opposing the second main surface, containing a cholesteric liquid crystal forming a reflective surface inclined with respect to the second main surface, and configured to reflect at least a part of light entering from the first main surface toward the light guide, a photovoltaic cell opposing the first side surface and a reflective member opposing the second side surface, the third side surface and the fourth side surface.

Abstract: A display apparatus (DSP1) includes: a flexible substrate (10) configured to include a region (DA1) and a region (DA2) on its surface; a liquid crystal film (LQ); and a photolytic alignment film configured to be in contact with the liquid crystal film (LQ). A material of the alignment film (AL1) in the region (DA1) is different from a material of the alignment film (AL2) in the region (DA2).

Abstract: According to one embodiment, a liquid crystal element includes a first transparent substrate, a second transparent substrate, and a first liquid crystal layer cured. The first liquid crystal layer contains first cholesteric liquid crystal and has a reflective surface which reflects first circularly polarized light having a first wavelength. A first helical axis of the first cholesteric liquid crystal is tilted in a uniform direction over an entire area of the first liquid crystal layer. Each of a first outer surface of the first transparent substrate and a second outer surface of the second transparent substrate forms an interface which totally reflects the first circularly polarized light reflected in the first liquid crystal layer.

Abstract: According to one embodiment, a liquid crystal optical element includes a substrate, a plurality of structures, a first liquid crystal layer including a plurality of liquid crystal molecules having alignment directions fixed, and a second liquid crystal layer including a plurality of liquid crystal molecules having alignment directions fixed. In an area overlapping a groove, a first director of the first liquid crystal layer extends along the groove, and a second director of the second liquid crystal layer is uniformly aligned with the first director of the second surface side, on the third surface side, and turns in planar view.

Abstract: According to one embodiment, a liquid crystal display device includes a first liquid crystal device, a second liquid crystal device, and a liquid crystal display panel, the first liquid crystal device including a first substrate including a first electrode thereon, a second substrate including a second electrode thereon, and a first cholesteric liquid crystal layer, the second liquid crystal device including a third substrate including a third electrode thereon, a fourth substrate including a fourth electrode thereon, and a second cholesteric liquid crystal layer, wherein the first liquid crystal device and the second liquid crystal device are stacked successively.

Abstract: According to one embodiment, a liquid crystal element includes a transparent substrate including a first main surface, a plurality of structures disposed on the first main surface and arranged along one direction, an alignment film disposed on a surface of each of the structures and a liquid crystal layer containing a cholesteric liquid crystal and in contact with the alignment film, and the helical axis of the cholesteric liquid crystal is inclined with respect to the first main surface, each of the plurality of structures includes a first surface inclined with respect to the first main surface, in the plurality of structures, the first surfaces are parallel to each other, and the alignment film is interposed between the first surface and the liquid crystal layer.

Abstract: To improve the display quality of a display device, the display device includes a display section and a frame section surrounding a periphery of the display section. A substrate in the display device includes a conductor pattern constituting a circuit section and an insulating film serving as an organic film covering the conductor pattern. The insulating film extends to a peripheral edge of the substrate. A slit, which penetrates the insulating film in a thickness direction, is formed in a corner part of the insulating film. The slit is formed at a position not overlapping the circuit section.

Abstract: To improve the display quality of a display device, the display device includes a display section and a frame section surrounding a periphery of the display section. A substrate in the display device includes a conductor pattern constituting a circuit section and an insulating film serving as an organic film covering the conductor pattern. The insulating film extends to a peripheral edge of the substrate. A slit, which penetrates the insulating film in a thickness direction, is formed in a corner part of the insulating film. The slit is formed at a position not overlapping the circuit section.

Abstract: According to one embodiment, a liquid crystal optical element includes a substrate having a first surface, a plurality of structures disposed on the first surface and arranged at a predetermined pitch, and a liquid crystal layer surrounding each of the structures and interposed between the structures adjacent to each other. The liquid crystal layer has a larger thickness than the structure. The liquid crystal layer has liquid crystal molecules arranged along the structure, and is cured in a state in which an alignment direction of the liquid crystal molecules is fixed.

Abstract: The purpose of the present invention is to realize the photo alignment film which has good alignment ability and good adhesive strength with the seal material. The structure of the invention is: A liquid crystal display device including a first substrate, having pixel electrodes and a first alignment film, and a second substrate adhere to each other by seal material, and the liquid crystal being sealed inside, in which the first alignment film is formed from a first polyimide, which receives a photo alignment treatment, and a second polyimide, which does not receive the photo alignment treatment, the first polyimide exists 75 to 98 weight % at a surface of the first alignment film on the pixel electrode and at an interface with the seal material, the second polyimide increases gradually in going to depth direction from the surface of the first alignment film in a cross sectional view.

Abstract: A display apparatus (DSP1) includes: a flexible substrate (10) configured to include a region (DA1) and a region (DA2) on its surface; a liquid crystal film (LQ); and a photolytic alignment film configured to be in contact with the liquid crystal film (LQ). A material of the alignment film (AL1) in the region (DA1) is different from a material of the alignment film (AL2) in the region (DA2).

Abstract: To improve the display quality of a display device, the display device includes a display section and a frame section surrounding a periphery of the display section. A substrate in the display device includes a conductor pattern constituting a circuit section and an insulating film serving as an organic film covering the conductor pattern. The insulating film extends to a peripheral edge of the substrate. A slit, which penetrates the insulating film in a thickness direction, is formed in a corner part of the insulating film. The slit is formed at a position not overlapping the circuit section.

Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first area and a second area, a second substrate opposing the first substrate but not opposing the second area, a sealing part which adheres the first substrate and the second substrate to each other, a liquid crystal layer located between the first substrate and the second substrate and surrounded by the sealing part, an alignment film disposed on the first substrate so as to be in contact with the liquid crystal layer and a terminal located in the second area and connected to an external circuit. In plan view, the alignment film includes an end located between the sealing part and the terminal.

Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first area and a second area, a second substrate opposing the first substrate but not opposing the second area, a sealing part which adheres the first substrate and the second substrate to each other, a liquid crystal layer located between the first substrate and the second substrate and surrounded by the sealing part, an alignment film disposed on the first substrate so as to be in contact with the liquid crystal layer and a terminal located in the second area and connected to an external circuit. In plan view, the alignment film includes an end located between the sealing part and the terminal.

Abstract: To improve the display quality of a display device, the display device includes a display section and a frame section surrounding a periphery of the display section. A substrate in the display device includes a conductor pattern constituting a circuit section and an insulating film serving as an organic film covering the conductor pattern. The insulating film extends to a peripheral edge of the substrate. A slit, which penetrates the insulating film in a thickness direction, is formed in a corner part of the insulating film. The slit is formed at a position not overlapping the circuit section.

Abstract: To improve the display quality of a display device, the display device includes a display section and a frame section surrounding a periphery of the display section. A substrate in the display device includes a conductor pattern constituting a circuit section and an insulating film serving as an organic film covering the conductor pattern. The insulating film extends to a peripheral edge of the substrate. A slit, which penetrates the insulating film in a thickness direction, is formed in a corner part of the insulating film. The slit is formed at a position not overlapping the circuit section.

Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first area and a second area, a second substrate opposing the first substrate but not opposing the second area, a sealing part which adheres the first substrate and the second substrate to each other, a liquid crystal layer located between the first substrate and the second substrate and surrounded by the sealing part, an alignment film disposed on the first substrate so as to be in contact with the liquid crystal layer and a terminal located in the second area and connected to an external circuit. In plan view, the alignment film includes an end located between the sealing part and the terminal.

Abstract: According to one embodiment, a liquid crystal display device includes first and second substrates and a liquid crystal layer. The first substrate includes scanning lines, signal lines, first and second electrodes and a light-shielding layer. One of the first and second electrodes is a pixel electrode, and the other one is a common electrode. The first electrode includes branch areas and an axis area. A gap area is provided between the adjacent branch areas. The light-shielding layer includes first portions overlapping the branch area or the gap area. The first portions are arranged at a position closer to the liquid crystal layer than the scanning and signal lines in the first substrate.

Abstract: A display device includes: a light shielding film; a plurality of image lines and a plurality of scanning lines present on an insulating base material; a pixel electrode and a common electrode present in a sub-pixel area surrounded by the plural image lines and the plural scanning lines in a plan view; and a liquid crystal layer driven by an electric field generated between the pixel electrode and the common electrode. A shape of the pixel electrode in a light transmission area surrounded by the light shielding film is a linear shape having no bending portion. The common electrode is overlapped on the plural image lines and the plural scanning lines, and has an opening overlapped on the pixel electrode. Further, each liquid crystal molecule of the liquid crystal layer has a positive dielectric constant. The sub-pixel area has a width of 13 ?m or less.