A lens (200) for detecting light waves (110) is provided. The lens comprises a first part (210) configured to receive light waves, wherein the first part (210) has the form of a spherical cap of a first sphere with a first radius. The lens also comprises a second part (220) in the form of a spherical segment of a second sphere (220) with a second radius. The radius of the second sphere is equal to or larger than the radius of the first sphere, and the centers of the first and second spheres coincide in a point on the optical axis of the lens (200). In a base side that faces away from the first part (210), the second part (220) comprises a plurality of concentric sections 230), each having a first surface (230a) that faces away from the optical axis of the lens (200) and that has the form of a spherical zone of a third sphere with a center coinciding with the centers of the first and second spheres. The lens (200) is configured to focus light waves from different angles of incidence onto a common focal plane.

A lighting module for three-dimensional suspension imaging, includes a micro lens array and a micro image-text element, wherein a transparent medium layer is arranged between the micro lens array and the micro image-text element; the micro image-text element includes a micro image-text array corresponding to the micro lens array; and the micro image-text element is arranged in such a way that light is irradiated from the micro image-text array to the micro lens array through the transparent medium layer and forms a three-dimensional suspension image. The lighting module is used in a vehicle lamp, a vehicle accessory device and a vehicle, and can realize an image having a three-dimensional, suspension and dynamic effect, which image has a good visual effect.

An optical apparatus capable of correcting field curvature easily, a method for manufacturing the optical apparatus, and a headlight including the optical apparatus. A lens, a plurality of solid-state light sources, and a substrate on which the solid-state light sources are mounted. The substrate includes a base material, which is rigid, and a mount surface, which is formed on the base material in a curved surface shape that substantially matches a focal plane shape of the lens, and on which a circuit pattern is formed. The solid-state light sources are mounted on the mount surface, and the substrate is positioned with respect to the lens such that a position of a focal plane of the lens substantially coincides with emission surfaces of the solid-state light sources, and thus field curvature can be easily corrected

An LED bar lighting with uniform illumination includes at least two LED chips, and a bar lens. Each of at least two LED chips includes an optical axis. The bar lens includes an in-light surface profile line and an out-light surface profile line in a cross section perpendicular to the axial direction of the bar lens. The in-light surface profile line includes a first arc and tow second arcs arranged two sides of the first arc. The first arc is tangent to the second arc and the radius of the first arc is smaller than that of the second arc. The radius of the out-light surface profile line is gradually reduced toward two sides thereof from an intersection of the out-light surface profile line and the optical axis. The radius of the out-light surface profile line at the intersection of the out-light profile line and the optical axis is infinite, and the refraction angle at both end points of the out-light surface profile line is 0 degree.

A lighting device comprising at least four optical devices. Each optical device has an associated light source and comprises a first surface with a plurality of micro sized facets. Each facet has a respective orientation and said plurality of facets has an optical axis which extends parallel to the normal vector to an average orientation of all said respective orientations. The optical devices are divided over at least two sets of optical devices which are designed to mutually issue a different pattern during operation as the optical devices of different sets are arranged in a mutually alternating manner.

A lighting device includes (1) one or more solid-state lighting (SSL) devices, (2) a thick, for example prism- or cylinder- or spherical- or dome-shaped scattering element, and (3) an optical extractor with a convex output surface.

Provide is a lens which outputs light, emitted by a plurality of light sources, with uniform light distribution. The lens includes a lens body having a first surface which is flat and has an incident hole formed therein, and a second surface which is convex and opposite the first surface; and a plurality of incident surfaces which are recessed from the incident hole toward the second surface, each of the plurality of incident surfaces corresponding to a light source of the plurality of light.

A light-emission detection apparatus is provided for individually condensing light emitted from each emission point of an emission-point array using each condensing lens of a condensing-lens array to forma light beam and detecting each light beam incident on a sensor in parallel. The light-emission detection apparatus can be downsized and high sensitivity and low crosstalk can be simultaneously accomplished when a certain relation between the diameter of each emission point, a focal length of each condensing lens, an interval of condensing lenses, and an optical path length between each condensing lens and a sensor is satisfied.

A light emission device includes: a plurality of semiconductor light-emitting elements; an optical element configured to collimate light emitted from each of the plurality of semiconductor light-emitting elements and output a plurality of collimated beams; a converging portion having a surface of a hyperboloid or a paraboloid configured to converge the plurality of collimated beams; and a wavelength-converting portion including a transmissive region, and a reflective region that surrounds the transmissive region, the transmissive region including a light-incident surface at which the plurality of collimated beams that have been converged by the converging portion enter, wherein the transmissive region includes a phosphor adapted to be excited by the plurality of collimated beams that have been converged by the converging portion.

According to at least one embodiment, a lens mirror array includes a plurality of optical elements. An optical element of the plurality of optical elements includes an incident surface on which light is incident, an emitting surface configured to emit the light incident through the incident surface, at least one reflecting surface reflecting the light incident through the incident surface toward the emitting surface, and a light shielding portion configured to block the light. The incident surface includes an effective surface configured to pass effective light emitted from the emitting surface and a directional surface configured to direct unnecessary light to the light shielding portion.