Abstract: In one embodiment, an illumination device includes a light-guiding unit having a light output surface which outputs light and a back surface facing the light output surface, wherein the light-guiding unit has a curved surface in a region of the back surface farther than a first position on the back surface that is away by a first distance from an axis passing the light output surface and the back surface, and a rough surface in a region of the light output surface farther than a second position on the light output surface that is away by a second distance from the axis in a same direction as a direction from the axis toward the first position, and where an intersection of the axis and the back surface is an origin point, and a direction of the axis from the back surface to the light output surface is positive, a normal line of the curved surface intersects with the axis at the positive side of the axis, and an angle formed by a normal line vector at the second position in a direction toward the light output s

Abstract: A grow light system for growing plants. The grow light system can have a carrier board assembly containing a plurality of apertures and a plurality of LED modules removably engaged with the carrier board in the apertures and forming a gap between LED module and the carrier board. The grow light system can be configured to draw air through the gap over the LEDs and along the heat sink fin to reduce the temperature of the LED module. A plurality of the LED modules can be connected in series and the carrier board can include a dedicated receptacle for a single LED module that is not connected in series with the remaining LED modules.

Abstract: A vine lamp and a production method thereof, the lamp including plural light strings, each of which includes a plurality of light emitting components and two conducting wires arranged side by side, wherein the insulating layer of each conducting wire is provided with a plurality of openings, on each of which one light emitting component is welded; a transparent encapsulation layer is wrapped outside of each light emitting component to form a lamp bead; the conducting wire between two adjacent light beads is divided into a first conducting wire section, a second conducting wire section and a third conducting wire section in sequence; the first conducting wire section and the third conducting wire section on both sides of each lamp bead intersect and are winded with each other; a plurality of the second conducting wire sections of the plurality of light strings intersect and are winded with each other.

Abstract: A system for illuminating an environment with light that simulates natural light includes: a first light source which emits a beam of visible light; a diffused-light generator delimited by an inner surface, which receives the light beam, and an outer surface, the diffused-light generator being at least partially transparent to a long wavelength component of the beam of visible light. The diffused-light generator transmits diffused light from a short wavelength component of the beam of visible light, through the outer surface, the correlated color temperature of the transmitted light being lower than the CCT of the visible diffused light. The lighting system includes a dark box which hosts the first light source and is optically coupled to the environment via the diffused-light generator.

Abstract: A light emitting module includes a light emitting diode chip and a lens. The lens includes a lower surface having a concave portion. The lens also includes an upper surface from which light incident on the concave portion is emitted. The upper surface of the lens includes a concave surface positioned in a central axis thereof. The concave portion of the lower surface includes at least one of a surface perpendicular to the central axis and a downwardly convex surface. At least one of the surface perpendicular to the central axis and the downwardly convex surface is positioned in a region narrower than an entrance region of the concave portion.

Abstract: A backlight unit includes a light guide plate 16, LEDs 17, a chassis 14, a frame 13 and positioning members 30. The light guide plate 16 includes two edge surfaces that are light entrance surfaces 16b and a front surface that is a light exit surface. The LEDs 17 are arranged to be opposed to the light entrance surfaces 16b and in a portion of the light guide plate 16 except for four corner portions 16d of the light guide plate 16. The chassis 14 is arranged on an opposite side of the light guide plate 16 from the light exit surface. The frame 13 is arranged on a light exit surface side to have the light guide plate 16 and the LEDs 17 between the frame 13 and the chassis 14. The positioning members 30 are arranged on an inner surface of the frame 13 to be opposed to the respective four corner portions 16d of the light guide plate 16.

Abstract: A luminaire arrangement (30) comprising a luminaire holder (10) and a luminaire module (20). The luminaire holder (10) is arranged to be attached to a ground plane (32) and comprises electrical circuitry connectors (12), grommet seals (14) provided on said electrical circuitry connectors (12), and a shield (18). The luminaire module (20) comprises a covering (24) and is arranged to be received in the luminaire holder (10). The shield (18) and the covering (24) are arranged to form a sealing arrangement between the luminaire holder (10) and the luminaire module (20), when the luminaire module (20) is received in the luminaire holder (10).

Abstract: An optical lens, light emitting device, and lighting device are provided.

Abstract: Light guiding elements having a light guiding section extending between a light entrance surface for coupling in light and a light exit surface for coupling out light from the light guiding element through the light exit surface. The light exit surface extends along an exit surface longitudinal direction. The light guiding section has at least a first and a second lateral surface extending from the light entrance surface to the light exit surface such that light can be guided by total internal reflection from the light entrance surface to the light exit surface. The form of the light entrance surface differs from that of the light exit surface. The light guiding section has a roof section extending toward the light exit surface in which the first and the second lateral surfaces taper toward each other with respect to the exit surface longitudinal direction.

Abstract: A portable lighting device adapted to provide an area light, said device including a body having a battery housing to hold batteries to power said device. The device includes a light panel functioning as a lens to act as an area light emitter, characterized in the said light panel is slidable into and out of said body, said light panel being constructed of a substantially flat panel portion.

Abstract: A LED lamp includes an at least partially optically transmissive enclosure and a base. A LED assembly includes at least one LED, where the LED is located in the enclosure and is operable to emit light when energized through an electrical path from the base. An electronics board is in the electrical path and is coupled to the base by an electrical interconnect comprising at least one base-side contact that is biased into engagement with the base.

Abstract: An indication lighting device provided is capable of reducing the number of electric wiring from a fixed, part to a moving part when an indication part is provided in the moving part's side. The indication lighting device makes indication by emitting light from a light source arranged in a fixed part to an optical waveguide arranged in a moving part, reflecting the light incident on the optical waveguide by reflection surfaces of prisms of the optical waveguide to an indication part provided in a tip side of the optical waveguide to be propagated, and emitting the light propagated inside the optical waveguide through the indication part.

Abstract: A lighting device (1) is provided comprising at least one light source (3), a wavelength converting element (8) adapted to convert a wavelength of light emitted by the at least one light source, at least one support (7) arranged to support the wavelength converting element remote from the at least one light source, and an envelope (2) adapted to enclose the wavelength converting element and at least a portion of the at least one support. The at least one support is arranged to be able to pivot relative to the wavelength converting element. The present lighting device enables using a rigid wavelength converting element and an at least partially rigid support, as these two components may be moved relative to each other for facilitating insertion of the unit in the envelope.

Abstract: A lighting unit for a household appliance, the lighting unit has a printed circuit board having a light-emitting means arranged on the printed circuit board, and a base for receiving the printed circuit board. The printed circuit board is arranged on a metallic holding part such that good thermally conductive contact is provided between the printed circuit board and the holding part, and the holding part is fastened on the base in such a way that good heat transfer is provided from the holding part to the base.

Abstract: A coupling device for quick mounting and demounting an integrated light source, comprising two tubular intermediate elements (A, B) having mutually matching cross-sections, each element (A, B) having a first ending and a second ending and being telescopically connectable with each other by inserting their first endings one into the other, each intermediate element (A, B) consisting of at least two tubular members (A-a, A-b; B-a, B-b) having different cross-sections of close dimensions, the members (A-a; B-a) of the intermediate elements (A, B) having bigger cross-sections and the members (A-b; B-b) of the intermediate elements (A, B) having smaller cross-sections, and the element (A) being telescopically connectable by its smaller member (A-b) with a socket (C) comprising electrical connections while the element (B) is telescopically connectable by its bigger member (B-a) with the light source (D).

Abstract: An LED lamp is equipped with a plurality of light source units each having a mounting board on which a light emitting element is mounted, on a front surface of a substrate, the plurality of light source units are disposed around an axis C of the LED lamp with back surfaces of the respective substrates facing inside, and gaps G1 left from one another, and heat radiation fins that are disposed to be inclined with respect to an axial direction of the axis C are provided on the back surface of the substrate.

Abstract: A frame and a light source module having the same are provided. According to embodiments, there is provided a frame comprising a plurality of bodies spaced apart from one another in one direction and connected to one another by a supporter. The plurality of bodies comprises a light emission window formed at an upper part of a body, a light incidence window formed at a bottom part of the body, and a mounting portion formed between the light emission window and the light incidence window, and including a groove that is formed on an inner wall of the body and is recessed horizontally into the body from the light incidence window.

Abstract: A flashlight for use with a pistol, the pistol having a trigger guard and a mounting rail. The flashlight includes an elongated housing having a clamping mechanism for mounting to the mounting rail, a light source at one end thereof, and paddle switches at an opposing end.

Abstract: A device for mounting lighting sources on a substrate includes a channel-like mounting frame provided with fixing formations for fixing on said substrate, said mounting frame defining a cavity for receiving said lighting source with said lighting source resting on said substrate, a slider member which can be positioned in said cavity of said mounting frame to urge said lighting source toward said substrate; said slider member being slidable with respect to said mounting frame between an insertion position and a locking position, wherein said mounting frame and said slider member bear complementary engagement formations cooperating in a ramp-like manner to force said slider member and the lighting source urged thereby toward said substrate when said slider member is advanced from said insertion position toward said locking position.

Abstract: The invention relates to a rear trim strip for a motor vehicle, having at least one base support and at least one luminous body which is arranged on an opening of the base support in order to illuminate the outer area of the motor vehicle, having an actuating element arranged on the base support, wherein a switch can be actuated by means of said actuating element, whereby it is possible to activate a lock on the motor vehicle, such that a lid is attached on the base support, the lid is designed having an electronics board which projects into the base support, wherein an electronic device, including the switch, is arranged on said electronics board, and the lid is designed in such a manner that a reliable transmission of force takes place through the electronics board when the actuating element is actuated.