An optical member includes a curved portion comprising an optically transmissive material. The enclosure has an outer surface and an inner surface opposite the outer surface. At least one light redirection feature protrudes from the inner surface. At least one indentation defined on the outer surface is configured to refract light.

A planar illumination device of an embodiment includes a substrate, a first linear Fresnel lens, and a second linear Fresnel lens. The substrate includes a plurality of light sources disposed two-dimensionally in a grid pattern. The first linear Fresnel lens is disposed at an emission side of the plurality of light sources and formed with a groove constituting a concave-convex surface of the lens and extending in one direction. The second linear Fresnel lens is disposed at an emission side of the first linear Fresnel lens and formed with a groove constituting the concave-convex surface of the lens and extending in a direction orthogonal to the one direction.

Provided are a light board, a method for manufacturing the same, a light-emitting diode (LED) backlight module and an LED backlight device. The light board includes a substrate and a LED device. The substrate includes a first surface and a second surface disposed opposite to each other. The first surface and the second surface are each provided with a wiring area and a non-wiring area. A first heat sink assembly and multiple first reinforcement ribs are disposed in the non-wiring area of the first surface. The multiple first reinforcement ribs intersect to form a first encircled area. The first heat sink assembly is disposed in the first encircled area. The LED device is disposed in the wiring area of the second surface.

A lighting device (1) comprising: a substrate defining a plane; at least one solid-state light source mounted on the substrate, an outer light-transmissive envelope (2), and a light-transmissive wall which is arranged at a circumference of the substrate and which has an extension along and is curved towards an optical axis (A) of the lighting device (1). The light-transmissive wall comprises an edge portion distal to the substrate, which edge portion is adapted to diffuse light from the at least one solid-state light source such that a shadow on the outer light-transmissive envelope (2) is blurred, the shadow being caused by an electrical component mounted on the substrate and blocking light emitted by the at least one solid-state light source.

A retractable stanchion barrier system with a flexible RGB display matrix utilizes one or more stanchion units, each stanchion unit comprising a stanchion head, a weighted base, a stanchion post, and a flexible LED stanchion ribbon display which extends from each stanchion head. A computer system governs the operation of the flexible RGB display. The flexible LED stanchion ribbon display may extend from one stanchion head and connect to another stanchion head. The stanchion heads may mount to walls, doors or stanchion posts. Such a system may be configured to be ultra-portable or implemented as a fixture. A method for crowd control and line management using a stanchion display system utilizing one or more stanchion units is also recited.

The present disclosure provides a lighting device including a first lighting unit including a plurality of first light sources arranged on a first flat or curved surface, and configured to implement lighting of a first illuminance and of a first color, a second lighting unit including a plurality of second light sources arranged on a second flat or curved surface at least partially inclined with respect to the first lighting unit, the second lighting unit surrounding at least a part of the first lighting unit, and configured to implement lighting of a second illuminance at least partially different from the first illuminance and of a second color, at least one opening formed to penetrate through the first lighting unit, and at least one third lighting unit including a plurality of third light sources arranged on a third flat or curved surface, and configured to implement lighting of a third illuminance higher than the first illuminance and of a third color through the opening. The second lighting unit may be configured to implement the lighting of the second illuminance and the second color in conjunction with the third lighting unit.

A beam shaping method and device employing full-image transfer for planar light sources. The method comprises: using multiple first lenses to respectively magnify and image beams emitted by multiple planar light sources, so as to obtain magnified full images of the multiple planar light sources; and seamlessly stitching together the magnified full images of the multiple planar light sources at a primary imaging position, so as to obtain a seamless light source at the primary imaging position. The beam shaping method for the planar light sources achieves the elimination of gaps between the light sources with almost no loss of optical power by means of full-image transfer and seamless stitching, thereby improving the beam quality of the light sources as a whole. This kind of optical shaping method is suitable for shaping and processing planar light sources such as VCSEL and LED.

An LED panel light includes a flexible base film, a plurality of circuits arranged on the flexible base film and a plurality of LED lamp beads arranged on the flexible base film, each circuit is connected with at least one LED lamp bead and is provided with at least two mutually parallel conductive wires. The conductive wire consists of a plurality of secondary conductive wires, and a plurality of the secondary conductive wires form a mesh. A method of making a LED panel light includes the following specific steps: S1: providing a flexible base film; S2: manufacturing a plurality of mesh-type conductive wires on the flexible base film by using a mould with circuit patterns of LED panel light; conductive wires forming a circuit, and a plurality of the circuits forming an LED panel light circuit; S3: connecting LED lamp beads with the conductive wires in the circuits.

A LED reflector device including a housing member, a light control member and a clip member. The housing member is formed by a front surface and a rear surface which are attached to one another creating an enclosure. The front surface includes a reflector lens for reflecting a plurality of light images generated from within the enclosure. The rear surface includes a board having a plurality of LED lights integrated therein for generating a plurality of light images within the enclosure. The light control member includes a mode control button for operating the plurality of LED lights in a first mode or a second mode. The clip member includes a clip mechanism for attaching the device to an object to improve the visibility in the area where the object is located.

The invention provides a light generating device (1000) comprising (i) a light source (100), wherein the light source (100) comprises a solid state light source, (ii) a support (200) for the light source (100), and (iii) a housing (300) comprising a housing wall (310); wherein the support (200) is a monolithic support, wherein the support (200) comprises at least two support parts (210) which are configured bent relative to each other, wherein a first support part (211) of the at least two support parts (210) is configured to support the light source (100), and wherein a further support part (212) of the at least two support parts (210) is configured in thermal contact with the housing wall (310), wherein at least part (206) of the support (200) between the light source (100) and the housing wall (310) is thermally conductive.