Abstract: Provided are light-emitting particles having high stability while having perovskite-type semiconductor nanocrystals having excellent light-emitting properties, a method for producing the same, and a light-emitting particle dispersion, an ink composition, and a light-emitting element containing such light-emitting particles. The method for producing light-emitting particles of the present invention includes a step of preparing parent particles 91 each having hollow particles 912 each having an inner space 912a and pores 912b communicating with the inner space 912a, and perovskite-type semiconductor nanocrystals 911 contained in the inner space 912a and having light-emitting properties, and a step of coating the surface of each parent particle 91 with a hydrophobic polymer to form a polymer layer 92.

Abstract: Provided are light-emitting particles having high stability while having perovskite-type semiconductor nanocrystals having excellent light-emitting properties, a method for producing the same, and a light-emitting particle dispersion, an ink composition, and a light-emitting element containing such light-emitting particles. The method for producing light-emitting particles of the present invention includes a step of preparing parent particles 91 composed of perovskite-type semiconductor nanocrystals 911 having light-emitting properties and a surface layer 912 which is composed of ligands coordinated on the surface of the semiconductor nanocrystal 911 and in which the ligand molecules form a siloxane bond with each other, and a step of forming a polymer layer 93 by coating the surface of the parent particle 91 with a hydrophobic polymer.

Abstract: It is an object of the present invention to provide an image display apparatus capable of inhibiting or preventing the deterioration of a light conversion layer while high luminous efficiency and high color reproducibility are achieved. The present invention provides a light-emitting device including a pair of electrodes, an electroluminescent layer disposed between a first electrode and a second electrode, a light conversion layer including multiple pixels and converting light that is emitted from the electroluminescent layer and that has a blue emission spectrum into light having a different wavelength. The light conversion layer includes pixels of three primary colors of red (R), green (G), and blue (B) and contains a light-emitting nanocrystal having an emission spectrum in any of red (R), green (G), and blue (B) when light from the electroluminescent layer is incident on at least one of the three primary colors.

Abstract: It is an object of the present invention to provide an image display apparatus capable of inhibiting or preventing the deterioration of a light conversion layer while high luminous efficiency and high color reproducibility are achieved. The present invention provides a light-emitting device including a pair of electrodes, an electroluminescent layer disposed between a first electrode and a second electrode, a light conversion layer including multiple pixels and converting light that is emitted from the electroluminescent layer and that has a blue emission spectrum into light having a different wavelength. The light conversion layer includes pixels of three primary colors of red (R), green (G), and blue (B) and contains a light-emitting nanocrystal having an emission spectrum in any of red (R), green (G), and blue (B) when light from the electroluminescent layer is incident on at least one of the three primary colors.

Abstract: A dispersion contains, as essential ingredients, light-emitting nanocrystals, a polymeric dispersant having an amine value of 5 mg/KOH g or more, and a stimulation-responsive curable material that cures in response to an external stimulus.

Abstract: A dispersion contains, as essential ingredients, light-emitting nanocrystals, a polymeric dispersant having an amine value of 5 mg/KOH g or more, and a stimulation-responsive curable material that cures in response to an external stimulus.

Abstract: It is an object of the present invention to provide an image display apparatus capable of inhibiting or preventing the deterioration of a light conversion layer while high luminous efficiency and high color reproducibility are achieved. The present invention provides a light-emitting device including a pair of electrodes, an electroluminescent layer disposed between a first electrode and a second electrode, a light conversion layer including multiple pixels and converting light that is emitted from the electroluminescent layer and that has a blue emission spectrum into light having a different wavelength. The light conversion layer includes pixels of three primary colors of red (R), green (G), and blue (B) and contains a light-emitting nanocrystal having an emission spectrum in any of red (R), green (G), and blue (B) when light from the electroluminescent layer is incident on at least one of the three primary colors.

Abstract: A dispersion contains, as essential ingredients, light-emitting nanocrystals, a polymeric dispersant having an amine value of 5 mg/KOH g or more, and a stimulation-responsive curable material that cures in response to an external stimulus.

Abstract: The liquid crystal display element uses a liquid crystal composition which has a negative value of dielectric anisotropy (??) and is designed to improve light transmittance adjusting an elastic constant, and a liquid crystal display including the liquid crystal display element. The liquid crystal display element uses a liquid crystal composition having a dielectric anisotropy (??) of less than ?1.5, in which a value of ? of the liquid crystal composition is 0.3 or less, and the value of ? is obtained from Equation (2) using measured values of a splay elastic constant (K11) and a bend elastic constant (K33) of the liquid crystal composition and a twist elastic constant (K22) value obtained from Equation (1) using measured values of a threshold voltage (Vth), a bend elastic constant (K33), vacuum permittivity (?0), a cell gap (d), and a helical pitch (P0).

Abstract: The present invention relates to a liquid crystal composition, which is a liquid crystal composition containing a compound represented by General Formula (II-1) as an anti-oxidizing agent for a liquid crystal composition containing the compound represented by General Formula (II-1) and also as a first component, and a compound represented by General Formula (K) as a second component. The compound represented by General Formula (II-1) enables obtainment of a working effect of the anti-oxidizing agent, and therefore it allows provision of a liquid crystal composition containing the anti-oxidizing agent which has improved reliability like low temperature stability, while the high dielectric anisotropy is maintained.

Abstract: There is provided a liquid crystal composition having the following properties without reductions in refractive index anisotropy (?n) and nematic phase-isotropic liquid phase transition temperature (Tni): sufficiently small viscosity (?), sufficiently small rotational viscosity (?1), a large elastic constant (K33), and negative dielectric anisotropy (??) with a large absolute value. There is also provided a liquid crystal display device of, for example, a VA type in which such a liquid crystal composition is used and which has a high response speed and excellent display quality with defective display being eliminated or reduced. The liquid crystal display device using the liquid crystal composition of the present invention is useful as an active-matrix liquid crystal display device and can be used in liquid crystal display devices of, for instance, a VA mode and PSVA mode.

Abstract: The liquid crystal display element uses a liquid crystal composition which has a negative value of dielectric anisotropy (??) and is designed to improve light transmittance adjusting an elastic constant, and a liquid crystal display including the liquid crystal display element. The liquid crystal display element uses a liquid crystal composition having a dielectric anistropy (??) of less than ?1.5, in which a value of ? of the liquid crystal composition is 0.3 or less, and the value of ? is obtained from Equation (2) using measured values of a splay elastic constant (K11) and a bend elastic constant (K33) of the liquid crystal composition and a twist elastic constant (K22) value obtained from Equation (1) using measured values of a threshold voltage (Vth), a bend elastic constant (K33), vacuum permittivity (?0), a cell gap (d), and a helical pitch (P0).

Abstract: The liquid crystal composition is designed to improve light transmittance using an elastic constant and has a negative value of dielectric anisotropy (??), a liquid crystal display element using the liquid crystal composition, and the liquid crystal display. The liquid crystal composition has a negative value of dielectric anisotropy (??) and a value of ? of 0.28 or less. The value of ? is obtained from Equation (2) using a twist elastic constant (K22) value obtained from Equation (1) using measured values of dielectric anisotropy (??), a threshold voltage (Vth), a bend elastic constant (K33), vacuum permittivity (?0), a cell gap (d), and a helical pitch (P0) and measured values of a splay elastic constant (K11) and the bend elastic constant (K33).

Abstract: The present invention is to provide an antioxidant for liquid crystal composition which contains one or more kinds of liquid crystal compounds having a positive dielectric anisotropy of 4 or more as an absolute value at 3% or more and is represented by Formula (II-1) (in the Formula (II-1), My represents a hydrocarbon having from 1 to 25 carbon atoms, a 1,4-phenylene group, or a trans-1,4-cyclohexylene group, Xy represent an alkylene group having from 1 to 15 carbon atoms, —OCH2—, —CH2O—, —COO—, —OCO—, —CF2O—, —OCF2—, —CF2CF2—, —CH?CH—COO—, —CH?CH—OCO—, —COO—CH?CH—, —OCO—CH?CH—, —CH?CH—, —C?C—, a singlebond, a 1,4-phenylene group, or a trans-1,4-cyclohexylene group, and l represents an integer from 2 to 6), a liquid crystal composition containing the antioxidant, and a liquid crystal display device using the liquid crystal composition.

Abstract: The present invention relates to a liquid crystal composition, which is a liquid crystal composition containing a compound represented by General Formula (II-1) as an anti-oxidizing agent for a liquid crystal composition containing the compound represented by General Formula (II-1) and also as a first component, and a compound represented by General Formula (K) as a second component. The compound represented by General Formula (II-1) enables obtainment of a working effect of the anti-oxidizing agent, and therefore it allows provision of a liquid crystal composition containing the anti-oxidizing agent which has improved reliability like low temperature stability, while the high dielectric anisotropy is maintained.

Abstract: There is provided a liquid crystal composition whose refractive index anisotropy (?n) and nematic phase-isotropic liquid phase transition temperature (Tni) are sufficiently high, whose viscosity (?) is sufficiently low, whose rotational viscosity (?1) is sufficiently low, whose elastic constant (K33) is high, whose dielectric anisotropy (??) is high or whose ?? is negative with a large absolute value, and whose decrease in reliability after UV irradiation is small, and also provide a liquid crystal display element including the same, which has the excellent display quality and the high response speed.

Abstract: There is provided a liquid crystal composition having the following properties without reductions in refractive index anisotropy (?n) and nematic phase-isotropic liquid phase transition temperature (Tni): sufficiently small viscosity (?), sufficiently small rotational viscosity (?1), a large elastic constant (K33), and negative dielectric anisotropy (??) with a large absolute value. There is also provided a liquid crystal display device of, for example, a VA type in which such a liquid crystal composition is used and which has a high response speed and excellent display quality with defective display being eliminated or reduced. The liquid crystal display device using the liquid crystal composition of the present invention is useful as an active-matrix liquid crystal display device and can be used in liquid crystal display devices of, for instance, a VA mode and PSVA mode.

Abstract: The present invention provides a nematic liquid crystal composition using a 4,6-difluoroindane-based compound that has a low lower limit temperature (T?N) of the liquid crystal phase, high upper limit temperature (TN-I) of the liquid crystal phase, and wide liquid crystal phase temperature range without impairing response speed, threshold voltage and other liquid crystal characteristics within a the range of the optimal ?n as a nematic liquid crystal, and a 4,6-difluoroindane-based compound that is used in said liquid crystal composition. The nematic liquid crystal composition contains at least one type of compound having a 4,6-difluoroindan-2,5-diyl group, and the refractive index anisotropy is within the range of 0.08 to 0.15, the liquid crystal phase upper limit temperature is 70° C. or higher, the liquid crystal phase lower limit temperature is ?20° C. or lower, and the difference between the liquid crystal phase upper limit temperature and liquid crystal phase lower limit temperature is 90° C. or more.

Abstract: The present invention provides a nematic liquid crystal composition using a 4,6-difluoroindane-based compound that has a low lower limit temperature (T?N) of the liquid crystal phase, high upper limit temperature (TN-I) of the liquid crystal phase, and wide liquid crystal phase temperature range without impairing response speed, threshold voltage and other liquid crystal characteristics within a the range of the optimal ?n as a nematic liquid crystal, and a 4,6-difluoroindane-based compound that is used in said liquid crystal composition. The nematic liquid crystal composition contains at least one type of compound having a 4,6-difluoroindan-2,5-diyl group, and the refractive index anisotropy is within the range of 0.08 to 0.15, the liquid crystal phase upper limit temperature is 70° C. or higher, the liquid crystal phase lower limit temperature is ?20° C. or lower, and the difference between the liquid crystal phase upper limit temperature and liquid crystal phase lower limit temperature is 90° C. or more.

Abstract: A liquid crystal device comprising a pair of substrates each having an electrode layer at least one of which is transparent, one or both of said substrates having formed thereon a network layer having a three-dimensional network structure which comprises a transparent solid substance, or one of said substrates having formed thereon said network layer with the other substrate having formed thereon an alignment layer, said pair of substrates being assembled in such a manner that said network layer of one substrate faces to the other network layer or the other substrate with or without an alignment layer in contact or with a small gap therebetween, and a liquid crystal material filled between said pair of substrates.