Abstract: A vehicle light emitting device provided to a vehicle and configured to emit light toward outside the vehicle includes a light source; a light guide plate including a light emitting surface and configured to direct light entering from the light source so that the light exits from the light emitting surface and forms an image in a space; and a lighting controller configured to control the emissions state of the light source in accordance with an operation of the vehicle.

Abstract: A vehicle light emitting device provided to a vehicle and configured to emit light toward outside the vehicle includes a light source; a light guide plate including a light emitting surface and configured to direct light entering from the light source so that the light exits from the light emitting surface and forms an image in a space; and a lighting controller configured to control the emissions state of the light source in accordance with an operation of the vehicle.

Abstract: Disclosed is an antifogging film-forming material obtained by reacting, in the presence of a quaternary ammonium salt or quaternary phosphonium salt, a copolymer represented by a certain general formula with a multifunctional epoxy compound having a solubility of 40-100 mass % in 25° C. water. The antifogging film-forming material is characterized by having a weight average molecular weight of 100,000-5,000,000. With this material, it becomes possible to obtain an antifogging article excellent in antifogging property, heat resistance, chemical resistance and abrasion resistance.

Abstract: Disclosed is an antifogging film-forming material obtained by reacting, in the presence of a quaternary ammonium salt or quaternary phosphonium salt, a copolymer represented by a certain general formula with a multifunctional epoxy compound having a solubility of 40-100 mass % in 25° C. water. The antifogging film-forming material is characterized by having a weight average molecular weight of 100,000-5,000,000. With this material, it becomes possible to obtain an antifogging article excellent in antifogging property, heat resistance, chemical resistance and abrasion resistance.

Abstract: A polarization film comprising a polarization film substrate and a dye treated with an activated carbon, and a liquid crystal display device comprising the polarization film.

Abstract: A polarizing film having uniformly low orthogonal transmittance in the wavelength range from 550 to 700 nm inclusive, and having excellent light resistance includes a dichroic dye containing a polyazo compound of the formula (I) and an azo compound of the formula (II): wherein, X represents a naphthyl group having 1 to 3 sulfo groups, Y represents a phenyl group having 1 to 2 sulfo groups, or a naphthyl group having 1 to 3 sulfo groups, X and Y optionally being substituted with at least one group selected from the group consisting of alkyl groups and alkoxy groups each having 1 to 6 carbon atoms, R1, R2 and R4 represent each independently a hydrogen atom, alkyl group or alkoxy group each having 1 to 6 carbon atoms, R3 represents an amino group or hydroxyl group, and Q1 and Q2 represent each independently a hydrogen atom, alkali metal, organic amine or ammonium.

Abstract: Poly-azo compound selected from the group consisting compounds of the formula (I) and compounds of the formula (II), (wherein, Me represents copper, nickel, zinc or iron, A represents a naphthyl group having 1 to 3 sulfonic groups and further optionally having an alkyl group or alkoxy group, R1 and R2 represent each independently a hydrogen atom, alkyl group or alkoxy group, and R3 represents an amino group or hydroxyl group.).

Abstract: The present invention provides a disazo compound of the formula (I) or a salt thereof wherein A represents 4-sulfophenyl or 6,8-disulfo-2-naphtyl, one of R1 and R2 represents hydrogen or methyl. The present invention also provides a dye-based polarizing film comprising a base material and the disazo compound of the formula (I) or the salt thereof contained in the base material. The disazo compound of the present invention provides a polarizing film, which is excellent in light resistance and initial polarizing performance, particularly light resistance when used as a polarizing element.

Abstract: Poly-azo compound selected from the group consisting compounds of the formula (I) and compounds of the formula (II), (wherein, Me represents copper, nickel, zinc or iron, A represents a naphthyl group having 1 to 3 sulfonic groups and further optionally having an alkyl group or alkoxy group, R1 and R2 represent each independently a hydrogen atom, alkyl group or alkoxy group, and R3 represents an amino group or hydroxyl group.).

Abstract: The present invention provides a disazo compound of the formula (I) or a salt thereof 1

Abstract: A polyazo compound or salt thereof covering the region of from 500 to 580 nm and manifesting high initial polarization ability and represented by the following formulae (I) or (II): wherein, A represents a phenyl having sulfo and/or carboxyl and optionally having a lower alkyl or lower alkoxy, or a naphthyl having 1 to 3 sulfos, R1 to R6 represent hydrogen, lower alkyl or alkoxy, m and n each independently represent 0 or 1, R7 represents hydrogen or sulfo, D and E each independently represents —NHCO— or —N═N—, G represents —CH2—, alkylene having 2-4 carbon atoms, phenylene or —CH═CH—, and R8 represents sulfo, carboxyl or lower alkoxycarbonyl; is provided.

Abstract: A polyazo compound or salt thereof covering the region of from 500 to 580 nm and manifesting high initial polarization ability and represented by the following formulae (I) or (II): 1

Abstract: There is provided a polarization film for near ultra-violet polarization plate manifesting high polarization ability at the near ultra-violet range of 370-400 nm, having sufficient endurance, and containing a monoazo compound represented by the following formula (I) or a salt thereof: 1

Abstract: An unsymmetrical dioxazine compound represented by the formula (1-1) or (1-2) below, a dichroic dye, a liquid crystal composition containing the same, and a liquid crystal display element fabricated with the same: (In the formula, each of Y1 to Y3 stands for a group represented by the formula (2) or (3) ; X stands for H or the like; h is an integer of 0 to 2; A stands for phenylene or the like; E stands for phenylene or the like; G stands for H, F, or the like; i is an integer of 1 to 2; j is an integer of 0 to 2, each of J and M stands for phenylene or the like; and Q stands for H, F or the like.

Abstract: A polyazo compound or salt thereof of the following formula (I): wherein, A represents a naphthyl having 1 to 3 sulfos or a phenyl having 1 to 2 hydrophilic groups selected from sulfo and carboxyl and optionally having a lower alkyl or lower alkoxy, B represents —NHCO— or —N═N—, n represents 0 or 1, R1 to R6 represent hydrogen, lower alkyl or lower alkoxy, R7 represents hydrogen or sulfo, D represents —N═N— when B is —N═N— and represents —NHCO—, —N═N— or —NH— when E is —NHCO—, and E represents a phenyl optionally having 1 to 3 groups selected from hydroxyl, amino, nitro, sulfo, carboxyl, lower alkyl and lower alkoxy; and a dye-based polarization film which manifests high polarization ability, is excellent in durability and light resistant to exposure for a long period of time and is obtainable by adding the above polyazo compound or salt thereof; are provided.

Abstract: A novel triphenodioxazine compound represented by the formula (1), a process for preparing the same, use of the compound as a dichroic dye, and liquid crystal composition containing the compound are disclosed. The compound is useful as a dichroic dye having a narrow light absorption band and a high dichroic ratio. (In the formula, each of Y1 to Y4 stands for a group represented by the formula (2) or (3); h is an integer of 1 to 2; A stands for phenylene or the like; E stands for phenylene or the like; G stands for H, F, or the like; i is an integer of 1 to 2; j is an integer of 0 to 2, each of J and M stands for phenylene or the like; and Q stands for H, F or the like.