A lighting device is provided, comprising a spatially extended light source with a light-emitting surface greater than 0.5 mm.sup.2 and also an aspherical TIR lens, which is configured to collimate light from the spatially extended light source, and a refractive diffuser configured to generate a lighting distribution on the basis of the collimated light.

Imaging apparatus includes an illumination assembly, including a plurality of radiation sources and projection optics, which are configured to project radiation from the radiation sources onto different, respective regions of a scene. An imaging assembly includes an image sensor and objective optics configured to form an optical image of the scene on the image sensor, which includes an array of sensor elements arranged in multiple groups, which are triggered by a rolling shutter to capture the radiation from the scene in successive, respective exposure periods from different, respective areas of the scene so as to form an electronic image of the scene. A controller is coupled to actuate the radiation sources sequentially in a pulsed mode so that the illumination assembly illuminates the different, respective areas of the scene in synchronization with the rolling shutter.

A diffuse light source, for use in energy efficient lighting, as well as for visual disorientation or disruption systems, is configured with a single solid torus (15) or rotating dual cylinder (35a, 35b) diffuser of transparent refracting material into which light (13, 33) from a laser or LED beam source (11, 31) is coupled. Light (19, 39) emerges radially outward in all directions from the diffuser.

A lamp includes an extended planar light source, and an optical element arranged with the light source, wherein the optical element comprises an outer surface having an indented cusp substantially over the light source. A lamp includes an extended planar light source, and an optical element arranged with the light source, wherein the optical element comprises an outer surface having a portion at a peripheral edge comprising a curvature configured to redirect light emitted from the light source by total internal reflection.

An illumination device includes: a light source unit; and an optical member having a plate-like shape and disposed in front of the light source unit, wherein the optical member includes a first refractive prism having a function of refracting light, and a reflective prism disposed on an outer side of the first refractive prism and having a function of reflecting light, wherein an optical axis of the light source unit is configured to pass through a region in which the first refractive prism is disposed, wherein the first refractive prism is configured to cause an incident light to travel to a side opposite to the optical axis, and wherein the reflective prism is configured to cause an incident light to travel to the optical axis side.

Provided is light flux controlling member for controlling a distribution of light emitted from a plurality of light emitting elements disposed on a substrate, which includes a plurality of incidence units for allowing incidence of the light emitted from the plurality of light emitting elements, respectively; and an emission unit which emits the light incident on the plurality of incidence units while guiding the light, and which is disposed between the plurality of incidence units in a direction along the substrate. The light flux controlling member has a rectangular shape with rounded corners in plan view, and includes four corner portions and four side portions, and the inclination angle of the corner portions is different from the inclination angle of the side portions.

A light emitting assembly and method for making optionally includes a light source configured to emit light substantially about a plane, the light having a first spectral profile, and a material configured to shift light incident from the light source from the first spectral profile to a second spectral profile and emit light as shifted. The light, as shifted, is emitted from the assembly generally along an axis orthogonal to the plane.

Detection system comprising an examination region, a one-piece optical element including a focusing portion to concentrate light received from the examination region and a guiding portion to homogenize light received from the focusing portion, and a detector configured to detect homogenized light received from the guiding portion.

Disclosed are a light irradiation apparatus that prevents or suppresses projection of light on adjoining other portions and can be miniaturized overall, and a photocurable material treatment apparatus that includes this light irradiation apparatus.

The light irradiation apparatus according to the present invention includes, with three mutually orthogonal directions as an x direction, a y direction and a z direction: a long light source unit in which a plurality of light emitting elements are disposed in a state of being arranged in the x direction along a plane extending in the x direction and the y direction; and a cylindrical lens that has an elongated shape extending in the x direction along the light source unit, a longitudinal peripheral surface of the cylindrical lens including a light reception surface for receiving light from the light source unit and a light-exiting surface for allowing the received light to exit therethrough. The light source unit is disposed so that a light source reference plane that includes a center of a light emission surface of each light emitting element and extends in the x direction and the z direction is located on a plane separated in the y direction from a lens reference plane that includes a center axis of the cylindrical lens and extends in the x direction and the z direction. A direction of the light from the light-exiting surface of the cylindrical lens is tilted in a direction away from the light source reference plane with respect to the lens reference plane.

The present disclosure discloses a light distributing component, a light source module, a lawn lamp cap and a lawn lamp. The light distributing component includes an inner ring polarizing lens and an outer ring polarizing lens, and the inner ring polarizing lens and the outer ring polarizing lens have a common axis center, and the outer ring polarizing lens surrounds the inner ring polarizing lens, the inner ring polarizing lens is configured to deflect light of a light-emitting unit toward a direction close to the axis center; and the outer ring polarizing lens is configured to deflect light of the light-emitting unit in a direction away from the axis center.