An optical lens, a backlight module and a display device are provided. The optical lens includes a main body, a light-incident surface, a reflecting surface and a light-emitting surface. The main body has a top portion and a bottom portion. The light-incident surface is recessed into the bottom portion of the main body. The reflecting surface is recessed into the top portion of the main body and opposite to the light-incident surface. The light-emitting surface connects the top portion and the bottom portion, in which the light-emitting surface has plural microstructures. Each of the microstructures has a normal line, and directions of the normal lines are different from each other.

The present disclosure provides an optical system including a TIR mother lens and a secondary output lens, preferably for efficiently distributing light out of an LED track lighting system. The optical system of the present disclosure is configured to create variant beam angles from a lens assembly using the same TIR lens. Preferably, by altering the dimensions and focal lengths of the secondary output lens in a single TIR lens, the optical system can create a variety of beam angles, including, but not limited to, Spot (“SP”), Narrow Flood (“NFL”), Flood (“FL”), or Wide Flood (“WFL”) beam angles.

A diffusion member includes a first layer and a second layer, in this order, wherein the first layer has a light transmissivity and a light diffusivity, in the second layer, a reflectance of light increases as an absolute value of an incident angle with respect to a first layer side surface of the second layer decreases, and a transmittance of light increases as an absolute value of an incident angle with respect to a first layer side surface of the second layer increases.

A light-emitting device assembly includes a concave optical collector with a cavity, an emitter array of light-emitting elements, a transparent substrate across an open end of the collector, a structured lens, and an angular filter. The emitter array is positioned within the package cavity and emits from its emission surface output light that exits the cavity from the open its end through the substrate, and enables selective activation of and emission from individual 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.

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.

A lighting apparatus includes a light source circuitry and an optical element. The light source circuitry has a light source baseplate, a plurality of light-emitting units arranged in an annular shape on the light source baseplate, and a driving circuitry located in an annular region surrounded by the light-emitting units on the light source baseplate. The optical element includes an annular optical accommodation region at an outer periphery and a driving accommodation region protruded from the optical accommodation region and is disposed in a region surrounded by the optical accommodation region. The optical accommodation region includes an optical accommodation groove which is facing the light-emitting units and configured to accommodate the light-emitting units. Light emitted by the light-emitting units is incident onto the optical accommodation groove and then exits upon being distributed; and the driving circuitry of the light source circuitry is correspondingly accommodated in the driving accommodation region.

An optical lens capable of miniaturization and capable of easily implementing various optical characteristics and a lighting device using the same are provided. The optical lens includes a lens body including an incident surface and an emitting surface; and a plurality of nano holes that extend in a direction from the incident surface toward the emitting surface, and is formed to communicate with at least one of the incident surface or the emitting surface. In particular, the plurality of nano holes change a phase of light that is incident on the lens body.

Provided is a lamp for a vehicle. The vehicle lamp comprises a light source unit for generating light, and a lens unit for forming a predetermined beam pattern by allowing the light incident through a plurality of incident lenses from the light source unit to be emitted through a plurality of emitting lenses corresponding to each of the plurality of incident lenses. The plurality of incident lenses comprises a first incident lens for allowing the light incident from the light source unit to be emitted in a first direction, and a second incident lens for allowing a first portion of the light incident from the light source unit to be emitted in the first direction, and a second portion of the light to be emitted in a second direction different from the first direction.

A lamp for a vehicle includes a light emitting unit for generating light, and an optical unit for forming a predetermined light irradiation pattern by outputting the light incident from the light emitting unit through a plurality of optical modules each including an incident lens and an output lens. The light emitting unit includes a light source unit, and a plurality of reflectors arranged in a left-right direction to allow the light generated from the light source unit to be reflected to the optical unit, and the optical unit includes a plurality of areas for outputting the light incident from the plurality of reflectors.

The invention provides a lighting device (1100) comprising a first 2D arrangement (100) of a plurality n of light sources (10) and a second 2D arrangement (200) of a plurality m of beam shaping elements (20) configured downstream of the light sources (10), wherein: —the light sources (10) are configured to generate light source light (11), wherein the n light sources (10) comprises a plurality k of individually controllable subsets (110) of light sources (10), wherein the beam shaping elements (20) are configured to shape a beam of the light source light (11) of the n light sources (10), and wherein n≥16, m≥4, n/m>1, and 4≤k≤n; —upstream of each beam shaping element (20) light sources (10) are configured of different individually controllable subsets (110), and wherein two or more of the beam shaping elements (20) have different spatial configurations of the light sources (10) that are configured upstream of the respective beam shaping elements (20).