Abstract: A light absorption anisotropic layer which has high contrast and can suppress hue change of an image reflected by surroundings relative to an original image when used in a viewing angle control system, an optical film using the light absorption anisotropic layer, a viewing angle control system, and an image display device. The light absorption anisotropic layer is formed of a liquid crystal composition containing a liquid crystalline compound, a dichroic substance, and an alignment agent. The liquid crystalline compound is in a liquid crystal state of a smectic phase, a content of the dichroic substance is 5.0% by mass or more with respect to a total solid content mass of the liquid crystal composition, and an angle ? between a transmittance central axis of the light absorption anisotropic layer and a normal direction of a surface of the light absorption anisotropic layer is between 0° and 45°.

Abstract: A light absorption anisotropic film that, when being applied to an image display device, it is easy to control a region where visibility is high and a region where visibility is low and viewing angle controllability is more excellent, an optical film, and an image display device. The light absorption anisotropic film contains a dichroic substance and a liquid crystal compound, in which the light absorption anisotropic film has a plurality of regions having different directions of transmittance central axes in an in-plane direction of the light absorption anisotropic film, in the plurality of regions, all angles ? between the transmittance central axes and a normal direction of a surface of the light absorption anisotropic film are in a range of 0° to 70°, and any of a specific requirement 1, a specific requirement 2, or a specific requirement 3 is satisfied.

Abstract: A projection lens has first-lens-body including first incidence part located in an area facing first light source and emission part located on a side opposite to the first incidence part, and second-lens-body including second incidence part located in an area facing second light source and third incidence part located between the first incidence part and the second incidence part, and has structure in which the first-lens-body and the second-lens-body abut against each other while first boundary surfaces and second boundary surfaces are interposed between the first-lens-body and the second-lens-body, the first boundary surfaces being provided between the emission part and the third incidence part, and the second boundary surfaces extending from boundary-line with respect to the first boundary surface until the first incidence part and the third incidence part, and the first boundary surfaces and the second boundary surfaces are disposed at acute angle while having the boundary-line disposed therebetween.

Abstract: A projection lens has a first lens body including a first incidence section disposed at a side facing a first light source and an emitting section disposed at a side opposite to the first incidence section, and a second lens body including a second incidence section disposed at a side facing a second light source, a structure in which the first lens body and the second lens body abut against each other in between first boundary surfaces, which are provided between the emitting section and the second incidence section, and second boundary surfaces, which are provided between the first incidence section and the second incidence section from a boundary line with respect to the first boundary surfaces is provided, and the first boundary surfaces and the second boundary surfaces are disposed at an acute angle including the boundary line therebetween.

Abstract: A projection lens has a first lens body including a first incidence section disposed at a side facing a first light source and a first emitting section disposed at a side opposite to the first incidence section, and a second lens body including a second incidence section disposed at a side facing a second light source and a second emitting section disposed at a side opposite to the second incidence section, a structure in which the first lens body and the second lens body abut against each other via an intermediate layer which is interposed between facing boundary surfaces of the first lens body and the second lens body is provided, and a refractive index of the intermediate layer is smaller than a refractive index of the first lens body.

Abstract: A projection lens has a first lens body including a first incidence section disposed at a side facing a first light source and an emitting section disposed at a side opposite to the first incidence section, and a second lens body including a second incidence section disposed at a side facing a second light source, a structure in which the first lens body and the second lens body abut against each other in between first boundary surfaces, which are provided between the emitting section and the second incidence section, and second boundary surfaces, which are provided between the first incidence section and the second incidence section from a boundary line with respect to the first boundary surfaces is provided, and the first boundary surfaces and the second boundary surfaces are disposed at an acute angle including the boundary line therebetween.

Abstract: A projection lens has a first lens body including a first incidence section disposed at a side facing a first light source and a first emitting section disposed at a side opposite to the first incidence section, and a second lens body including a second incidence section disposed at a side facing a second light source and a second emitting section disposed at a side opposite to the second incidence section, a structure in which the first lens body and the second lens body abut against each other via an intermediate layer which is interposed between facing boundary surfaces of the first lens body and the second lens body is provided, and a refractive index of the intermediate layer is smaller than a refractive index of the first lens body.

Abstract: The present invention has a purpose to achieve desired spray characteristics when a pharmaceutical formulation is sprayed by means of a rhinal spray nozzle used for a metered-dose syringe-based squirt. The present invention relates to a rhinal spray nozzle used for a medical syringe having a tip opening in fluid communication with a syringe barrel for storing a pharmaceutical formulation. The rhinal spray nozzle comprises a hollow nozzle body having a tip portion defining a nozzle orifice thereon, a solid packing rod arranged within the nozzle body, and a nozzle chamber defined between the packing rod and the nozzle body to allow a fluid communication between the tip opening and the nozzle orifice, wherein the formulation comprises the gel material containing viscosity modification agent and carboxy vinyl polymer of which viscosity is modified by applying an exogenous shear force, and wherein the nozzle orifice has a diameter in a range between 0.25 mm and 0.30 mm.

Abstract: A vehicle lighting apparatus that illuminates a frontward direction of a vehicle includes: first and second light source units each having a light source main body and a light-focusing optical system that focuses light emitted from the light source main body; a reflection-type digital light deflection device that is configured by arranging a plurality of mirror elements each of which can be slanted around a rotation movement axis and each of which can be individually switched between an ON slanted state and an OFF slanted state and that reflects the light, focused by the first and second light source units, by the mirror element of the ON slanted state to form a reflection pattern; and a projection optical system that illuminates a frontward direction with light reflected by the reflection-type digital light deflection device, wherein light incident on the reflection-type digital light deflection device by the first and second light source units is overlapped.

Abstract: A lighting tool for a vehicle includes a light source device, and a first projection module and a second projection module each configured to radiate light radiated from the light source device toward a front of the vehicle as a light distribution pattern, wherein the light source device radiates light toward each of the first projection module and the second projection module, the first projection module and the second projection module each include a liquid crystal element that modulates the light radiated from the light source device to form an image light, and a projection optical system that radiates the image light forward as the light distribution pattern, and the light distribution pattern of the first projection module and the light distribution pattern of the second projection module overlap with each other over an entire projection range in a direction of a first axis.

Abstract: A lighting tool for a vehicle includes a light source device, and a first projection module and a second projection module each configured to radiate light radiated from the light source device toward a front of the vehicle as a light distribution pattern, wherein the light source device radiates light toward each of the first projection module and the second projection module, the first projection module and the second projection module each include a liquid crystal element that modulates the light radiated from the light source device to form an image light, and a projection optical system that radiates the image light forward as the light distribution pattern, and the light distribution pattern of the first projection module and the light distribution pattern of the second projection module overlap with each other over an entire projection range in a direction of a first axis.

Abstract: A vehicle lighting apparatus that emits light diagonally toward a road surface from a vehicle includes: a light source; an image generation part that modulates light emitted from the light source and that generates an image; a light-focusing optical system that focuses light having the image generated by the image generation part; and a reflection part that reflects light focused by the light-focusing optical system toward the road surface, wherein the reflection part has a reflection surface having a curvature that is gradually increased from a projection direction rearward side toward a projection direction frontward side.

Abstract: In a vehicle headlamp that uses a light source having high output intensity, turn off the light source quickly when an abnormality occurs. A lighting control device of a vehicle headlamp includes a lighting control part that controls an on state of the vehicle headlamp, an obstacle detecting part for detecting an obstacle that exists in front of the vehicle, and a collision prediction processing part that, when the obstacle exists on the basis of detection results from the obstacle detecting part, predicts a possibility of collision between the obstacle and the vehicle on the basis of a distance between the obstacle and the vehicle and a speed of the vehicle and, when it is determined that the possibility of collision exists, instructs the lighting control part to relatively decrease an output light of the vehicle headlamp to below a normal intensity of the vehicle headlamp.

Abstract: A vehicle lighting fixture can be configured to two-dimensionally scan with laser light by an optical deflector to form a luminance distribution on a screen member and project the luminance distribution via a projector lens forward to form a predetermined light distribution pattern corresponding to the luminance distribution. The vehicle lighting fixture can prevent the laser light from being directly projected forward even if an optical deflector breaks down and the laser light is deflected in a particular direction by the faulty optical deflector. The vehicle lighting fixture can be configured to include: a light-shielding member configured to shield the laser light deflected in the particular direction by the faulty optical deflector. The light-shielding member is provided between the screen member and the projector lens in an optical path through which the laser light deflected in the particular direction by the faulty optical deflector passes.

Abstract: A vehicle lighting apparatus that illuminates a frontward direction of a vehicle includes: first and second light source units each having a light source main body and a light-focusing optical system that focuses light emitted from the light source main body; a reflection-type digital light deflection device that is configured by arranging a plurality of mirror elements each of which can be slanted around a rotation movement axis and each of which can be individually switched between an ON slanted state and an OFF slanted state and that reflects the light, focused by the first and second light source units, by the mirror element of the ON slanted state to form a reflection pattern; and a projection optical system that illuminates a frontward direction with light reflected by the reflection-type digital light deflection device, wherein light incident on the reflection-type digital light deflection device by the first and second light source units is overlapped.

Abstract: A vehicle lighting apparatus that emits light diagonally toward a road surface from a vehicle includes: a light source; an image generation part that modulates light emitted from the light source and that generates an image; a light-focusing optical system that focuses light having the image generated by the image generation part; and a reflection part that reflects light focused by the light-focusing optical system toward the road surface, wherein the reflection part has a reflection surface having a curvature that is gradually increased from a projection direction rearward side toward a projection direction frontward side.

Abstract: A quantitative syringe-type ejector capable of ejecting the contents packed in one syringe in small quantities is provided. The quantitative syringe-type ejector includes a syringe and a plunger. The plunger includes a piston holding member and a plunger operation member. The piston holding member has at least one arm having: a slide projection slidable on an inner peripheral surface of the syringe; and a lock projection to be releasably locked to a back end of the syringe. The plunger operation member has a lock part to be releasably locked to the back end of the syringe.

Abstract: A vehicle lighting fixture can be configured to form a predetermined light distribution pattern by two-dimensionally scanning light with resolutions different in part, for example, in which the resolution in the horizontal direction is high at the center area and is gradually lowered toward the outer periphery from the center area. The vehicle lighting unit can include an optical deflector configured to two-dimensionally scan with groups of spots of light having been incident thereon from a light source; a screen member in which the light scanning by the optical deflector forms a luminance distribution corresponding to a predetermined light distribution pattern; an optical system configured to project the luminance distribution forward; and an optical controlling member configured to change a pitch between spots in a group of spots among the groups of spots of light scanned by the optical deflector on the screen member.

Abstract: Provided is a metered quantity syringe-type dispenser that is capable of multistage pushing. The metered quantity syringe-type dispenser includes a syringe; a plunger configured to be pushed into the syringe; an elastic deforming portion configured to be deformed in response to the pushing of the plunger; and a stopper portion configured to be locked with respect to the syringe and to be released from the locking by restoring force of the elastic deforming portion.

Abstract: Double container includes: inner layer body provided with upper opening; outer layer body accommodating inner layer body and including mouth portion provided with aperture; and dispensing cap provided with content dispensing spout and fitted to mouth portion. Double container further includes: inside plug provided with dispensing passage and fitted to upper opening; and check valve configured to open and close dispensing passage. Dispensing cap has a cylindrical wall, and cylindrical wall has a lower end portion fitted to an outer circumferential surface of outer layer body to provide vent region inside dispensing cap. Throttle passage is provided in a passage extending from ambient air introducing hole through vent region to aperture.