Lighting applications which are particularly difficult to light because of “non-standard” target areas (or otherwise) would benefit from advancements in lighting design. That being said, conventional wisdom in lighting design has practical limitations—conventional means of visors at/on lighting fixtures (i.e., local visoring) can only become so long to provide beam cutoff before becoming prohibitively heavy or costly, for example. Local visoring can only be pivoted so far before beam shift occurs (e.g., shifting the physical location of maximum candela or photometric center), as another example. Conventional wisdom can only buy so much cutoff and beam control before the overall lighting design is impacted—and so an alternative approach is warranted. One such alternative approach which relies upon a combination of remote visoring and local visoring is discussed; additional approaches are also discussed.

An optical film and a light emitting module using the same are disclosed. The light emitting module includes a light emitting assembly and an optical film. The light emitting assembly includes a substrate and a plurality of light emitting units disposed on the substrate. The optical film is disposed above the light emitting units, and includes a base layer and a first optical structure. The first optical structure is disposed on the base layer and includes a first high refractive index layer and a first low refractive index layer. The first high refractive index layer is located between the light emitting assembly and the first low refractive index layer. The first inclined surfaces are formed on an interface between the first high refractive index layer and the first low refractive index layer. Each first inclined surface is inclined relative to a thickness direction of the base layer.

An optical film and a light emitting module using the same are disclosed. The light emitting module includes a light emitting assembly and an optical film. The light emitting assembly includes a substrate and a plurality of light emitting units disposed on the substrate. The optical film is disposed above the light emitting units, and includes a base layer and a first optical structure. The first optical structure is disposed on the base layer and includes a first high refractive index layer and a first low refractive index layer. The first high refractive index layer is located between the light emitting assembly and the first low refractive index layer. The first inclined surfaces are formed on an interface between the first high refractive index layer and the first low refractive index layer. Each first inclined surface is inclined relative to a thickness direction of the base layer.

A vehicle lamp includes a light source system; a reflection system including a plurality of reflective faces to reflect light beams emitted from the light source system to travel forward; and an optical system including a plurality of lenses respectively corresponding to the plurality of reflective faces. The optical system is configured to transmit at least a portion of light reflected from each of the plurality of reflective faces through a corresponding lens among the plurality of lenses to form a predetermined light irradiation pattern.

A luminaire may include a light engine comprising a plurality of LEDs arranged in one or more annular rows. The luminaire may include an optic. The optic may include an annular optic body having a light entrance side facing the plurality of LEDs and a light exit side opposite the light entrance side. A plurality of annular grooves may be defined within the light exit side, the plurality of annular grooves being coaxial with the optic body. A plurality of arc-shaped grooves may be defined within the light exit side. Each of the plurality of arc-shaped grooves may be convex relative to a center of the optic. Each of the plurality of arc-shaped grooves may intersect at least one of the plurality of annular grooves. The optic may be configured to produce a Unified Glare Rating of less than 28.

A light emitting module is disclosed. The light emitting module includes a board, a plurality of light sources, and a package layer. The board includes a first surface. The plurality of light sources are disposed on the first surface. The package layer is disposed on the first surface, which contacts and surrounds the light sources. A plurality of micro-structure areas are defined on the face of the package layer opposite to the first surface, wherein the micro-structure areas are disconnected with each other. The orthographic projection of each micro-structure area on the first surface covers the respective orthographic projection of one of the plurality of light sources on the first surface. The package layer concaves to form a plurality of micro-structures toward the first surface in the micro-structure areas

A light-emitting apparatus for facilitating the growth of one or more plants. The apparatus has a light-emitting layer comprising one or more light-emitting diodes for emitting light, and at least one optical-transformation layer having one or more optical-transformation units. Each optical-transformation unit has a metasurface for adjusting one or more parameters of the light emitted from the light-emitting layer. In some embodiments, the light-emitting apparatus may further have a polarization-control layer sandwiched between the light-emitting layer and the optical-transformation layer.

Disclosed are a lamp for an automobile and an automobile. The lamp for an automobile includes a micro lens array (MLA) module which is provided in front of a light source and into which light is incident. The MLA module includes a light-incident lens array and a light-emitting lens array. At least a portion of optical axes of a plurality of light-incident lenses provided in a first section of the light-incident lens array is aligned with one of optical axes of a plurality of light-emitting lenses provided in an A section of the light-emitting lens array. At least a portion of optical axes of a plurality of light-incident lenses provided in a second section of the light-incident lens array is misaligned with all of the optical axes of a plurality of light-emitting lenses provided in a B section of the light-emitting lens array.

An area optical cover for a linear light source extends along an axial direction. The optical cover includes a portion of an optical material that forms a constant cross-section transverse to the axial direction. An outer surface of the cross-section is substantially planar, and an inner surface of the cross-section forms a plurality of facets. Each of the facets forms a refractive surface that is configured to refract a corresponding portion of light from the light source, and a return surface that connects the refractive surface with a refractive surface of an adjacent facet. When the outer surface is oriented horizontally on a lower side of the portion of the optical material, and the linear light source is positioned at an installation height above the inner surface, all facets within at least 30 degrees of nadir from the light source are optimized to provide a selected light distribution.

A light-emitting device assembly includes an emitter array of light-emitting elements, a transparent substrate, a structured lens, and an angular filter. The emitter array emits from its emission surface output light that is transmitted through the substrate, and enables selective activation of and emission from individual elements or subsets of elements of the array. The structured lens is formed on or in the substrate, and comprises micro- or nano-structured elements resulting in an effective focal length less than an effective distance between the structured lens and the emission surface. The angular filter is positioned on or in the substrate or on the emission surface and exhibits decreasing transmission or a cutoff angle with increasing angle of incidence.