A baffle component for a luminaire includes a portion of opaque material that forms a front surface and a back surface as major surfaces. The front surface includes multiple ridges. The material also includes a top surface and a bottom surface, and a first end surface and a second end surface. The first end surface includes a first coupling feature, and the second end surface includes a second coupling feature that is configured to engage the first coupling feature of a second baffle component that is substantially identical to the baffle component. A baffle for a luminaire includes a plurality of such components. The baffle components engage with one another, with the first coupling feature of each of the baffle components engaging with the second coupling feature of another of the baffle components, to form a shape that surrounds a central opening of the luminaire.

A baffle component for a luminaire includes a portion of opaque material that forms a front surface and a back surface as major surfaces. The front surface includes multiple ridges. The material also includes a top surface and a bottom surface, and a first end surface and a second end surface. The first end surface includes a first coupling feature, and the second end surface includes a second coupling feature that is configured to engage the first coupling feature of a second baffle component that is substantially identical to the baffle component. A baffle for a luminaire includes a plurality of such components. The baffle components engage with one another, with the first coupling feature of each of the baffle components engaging with the second coupling feature of another of the baffle components, to form a shape that surrounds a central opening of the luminaire.

A diffused light control sheet includes: a louver layer on which light-transmitting zones and light-shielding zones are arranged alternately; a transparent protective layer disposed on a first face of the louver layer; and a light-diffusing layer disposed on a second face of the louver layer, in which the light-diffusing layer has a haze of 93% or more as measured in accordance with JIS K 7136 (2000).

A through-hull light for a marine vessel is provided. The light includes a body for mounting on the outer surface of a hull, having an outer side facing water and an inner side for mounting against the hull; a chamber formed within the body having a transparent screen mounted at an outer side; a shaft for extending from the inner side through an aperture in the hull; LEDs mounted within the chamber in parallel rows and arranged to be horizontal when the light is mounted through the hull, with each LED mounted to direct light out of the chamber in a first direction perpendicular to the inner side; a reflecting structure within the chamber having a plurality of reflectors positioned above or below a row of LEDS and parallel therewith, with each reflector formed to reflect light away at a fixed angle vertically from the first direction.

A method of making a daylight redirecting window film having a layered structure with a total thickness of less than one millimeter and having at least two optical films bonded together. One of the optical films has a first light redirecting layer disposed on a first side of the film and including a linear array of light redirecting structures configured to reflect light using a total internal reflection and defining a parallel array of narrow channels, and a second light redirecting layers disposed on an opposite second side of the film and including light scattering surface microstructures. The method includes coating a surface of at least one of the films with an optical adhesive, positioning the optical films such that the top portions of the light redirecting structures face inwards, and bonding the films together to form a monolithic multi-layer light redirecting film structure.

The invention relates to an illumination device comprising a plurality of light cells arranged in a row, wherein each of the light cells comprises an illumination element configured to emit light, a rectangular front lens, and a light guide configured to guide the light emitted from the illumination element to the rectangular front lens, and to an illumination device comprising a housing in which the plurality of light cells are arranged, wherein each light cell is separated from a neighboring light cell in the row by a separator which separates an edge of the front lens from one of the plurality of light cells from the edge of the front lens of the neighboring front lens by a first width, wherein the plurality of light cells comprise outer light cells in where a side surface of housing abuts one of the edges of the corresponding front lens of the outer light cell, wherein the side surface abuting one of the edges of the front lens has a thickness which is half of the first width.

The invention relates to an illumination device comprising a plurality of light cells arranged in a row, wherein each of the light cells comprises an illumination element configured to emit light, a rectangular front lens, and a light guide configured to guide the light emitted from the illumination element to the rectangular front lens, and to an illumination device comprising a housing in which the plurality of light cells are arranged, wherein each light cell is separated from a neighboring light cell in the row by a separator which separates an edge of the front lens from one of the plurality of light cells from the edge of the front lens of the neighboring front lens by a first width, wherein the plurality of light cells comprise outer light cells in where a side surface of housing abuts one of the edges of the corresponding front lens of the outer light cell, wherein the side surface abuting one of the edges of the front lens has a thickness which is half of the first width.

Example embodiments relate to light emitting devices with adaptable glare classes. One embodiment includes a light emitting device. The light emitting device includes a carrier. The light emitting device also includes a plurality of light sources disposed on the carrier. Additionally, the light emitting device includes a plurality of lenses disposed on the carrier and covering the plurality of light sources. Each lens of the plurality of lenses includes a lens portion and a base portion surrounding the lens portion. Further, the light emitting device includes a light shielding structure that includes a plurality of reflective barriers. Each reflective barrier has an outer surface and a first reflective inner surface. A light transmitting material extends between the outer surface and the first reflective inner surface.

Example embodiments relate to light emitting devices with adaptable glare classes. One embodiment includes a light emitting device. The light emitting device includes a carrier. The light emitting device also includes a plurality of light sources disposed on the carrier. Additionally, the light emitting device includes a plurality of lenses disposed on the carrier and covering the plurality of light sources. Each lens of the plurality of lenses includes a lens portion and a base portion surrounding the lens portion. Further, the light emitting device includes a light shielding structure that includes a plurality of reflective barriers. Each reflective barrier has an outer surface and a first reflective inner surface. A light transmitting material extends between the outer surface and the first reflective inner surface.

An illumination apparatus includes a surface light source that emits illumination light and a micro louver film that limits components of a divergence of the illumination light that are parallel to a light emission plane of the surface light source. The illumination apparatus satisfies the following conditional expression:
20°≤A≤60°  (1) where A indicates, with reference to a direction for which the micro louver film limits the divergence of the illumination light, the maximum spread angle of the illumination light passing through the micro louver film.