Abstract:
The lamp (10) comprises: a fitting portion (12) configured for being connected to an external source of electric power; a control module (14) mounted on the fitting portion and configured for receiving electric power from the fitting portion (12); and a lighting portion (16) mounted - possibly in a removable and spaced manner - on the control module (14) and electrically connected to the control module (14) in such a way as to be able to provide a luminous emission. The lighting portion (16) comprises a hollow body (22) made of transparent or semi-transparent material and an intermediate element (24) carried by the hollow body (22) and having a plurality of light sources (26a, 26b), in particular a plurality of LEDs. The hollow body (22) comprises an axial pass-through cavity (23) facing towards the intermediate element (24). Through said lamp (10) one can obtain a luminous emission distribution that can be configured in accordance with lighting or design requirements.
Abstract:
Solid-state lamps having an electronically adjustable light beam distribution are disclosed. In accordance with some embodiments, a lamp configured as described herein includes a plurality of solid-state emitters (addressable individually and/or in groupings) mounted over a non-planar interior surface of the lamp. The interior mounting surface can be concave or convex, as desired, and may be of hemispherical or hyper-hemispherical geometry, among others, in accordance with some example embodiments. In some embodiments, the heat sink of the lamp may be configured to provide the interior mounting surface, whereas in some other embodiments, a separate mounting interface, such as a parabolic aluminized reflector (PAR), a bulged reflector (BR), or a multi-faceted reflector (MR), may be included to such end. In some cases, a lamp provided as described herein may be configured for retrofitting existing lighting structures.
Abstract:
An LED light bulb device (20) that includes a bulb body (22), a plurality of flexible circuit strips (26), and at least one LED (28). The flexible circuit strips (26) are formed to a shape of, and adhered directly to, an interior face of the bulb body (22). At least one of the flexible circuit strips (26) defines a plurality of stress-relieving notches (94, 96). At least one LED (28) is mounted to a corresponding one of the flexible circuit strips (26) and is electrically connected to a conductive trace formed by the flexible circuit strip (26). The LEDs (28) are arranged to aim inwardly relative to the bulb body (22). In some embodiments, a rear surface of each of the flexible circuit strips (26) is adhesively attached to the interior face of the bulb body (22). In some embodiments, a plurality of LEDs (28) are provided and arranged to provide one or both of uniform light distribution and diverse heat distribution.
Abstract:
Disclosed is a lighting device (1) comprising a bulbous body mounted on a cap (20), an inner surface of the bulbous body comprising a plurality of steps that are axially displaced relative to each other along a central axis of the lighting device, said plurality of steps comprising a first step (110) supporting a first plurality of solid state lighting elements (32); and a second step (120) supporting a second plurality of solid state lighting elements (42), wherein the first step is located in between the cap and the second step.A luminaire including such a lighting device is also disclosed.
Abstract:
A lighting device (30) and a method of manufacturing such a lighting device are provided. The lighting device comprises a sheet assembly (7), which comprises a substrate (1) being at least partly light transmissive, a plurality of light sources (5) coupled to the substrate. At least a portion of the sheet assembly (7) is fixed in a rolled-up arrangement so as to form a roll (12), whereby the light sources (5) in the portion of the sheet assembly (7) are arranged to emit light at least partly inwards in the roll and/or at least partly towards at least one end (31) of the roll. The present invention is advantageous in that it provides enhanced lumen density output, which makes the lighting device useful for high brightness applications, such as head lights and fluid purification.
Abstract:
Multi utility illumination device (100) comprising a hollow housing (105) defined by top and bottom surfaces of quadrilateral shape and a plurality of lateral surfaces, a power supply unit comprising a power source and an electronic circuit located within the housing (105), a LED based lighting structure (110) located on the top surface of the housing (105) and a transparent member (115) connected to the top surface of the housing (105) and covering the lighting structure (110). The lighting structure (110) includes a LED based lighting column (1400) and a diffuser (1200) surrounding the lighting column (1400). A first handle (205) is provided on a lateral surface of the housing (105) and a second handle (410) is provided on a bottom surface of the housing (105). A switching device (405) is located on a lateral surface adjacent to the lateral surface having the first handle (205).
Abstract:
Problem. To provide a light-emitting diode lamp (20) with which it is possible to obtain a broader light distribution and light emission intensity in the length direction of the lamp, and with which heat can be dissipated efficiently and which therefore has a longer operating life. Means of overcoming the problems. A light-emitting diode lamp (20) is provided with a light-emitting diode unit (10) in which light-emitting diodes (11) are mounted on the side surfaces of a prismatic or cylindrical support member (13), and a housing (24) having a glass cover which envelops the light emitting surface of the abovementioned light-emitting diode unit (10) and which is arranged inside the light-emitting diode unit (10), and in which the height of the abovementioned light-emitting diode unit (10) in the axial direction of the support member (13) is a length which is between 1.5 times and 3.5 times the diameter of the circumcircle of the abovementioned support member (13).
Abstract:
A modular lighting apparatus (10), comprising at least one supporting element (12) which is electrically powered and one or more plate-shaped elements (14) with a substantially triangular shape. On each plate-shaped element there are one or more lighting elements (16) of the LED type. The three tips or ends of each triangular plate-shaped element are cut away, forming a rectilinear end portion (18) which can be assembled with a respective supporting element (12). Each supporting element is equipped with a plurality of seats (20) profiled for receiving respective rectilinear end portions of a plate-shaped element. Each seat is provided with electrical connection means (22) and each plate-shaped element is in turn provided, at each rectilinear end portion (18), with at least one contact element (24) designed to interface with the electrical connection means (22) of each supporting element. Each plate-shaped element (14) is provided with at least one attachment opening (26), positioned at a respective rectilinear end portion (18), whilst on each seat of a respective supporting element (12) there is at least one hole (28), designed to act in conjunction with a corresponding attachment opening (26) to make each plate-shaped element (14) integral with the supporting element (12) with the aid of fixing means, so that the plate-shaped elements (14) can be positioned according to an icosahedron geometrical shape in a complete or partial form.
Abstract:
A lighting module (10) is disclosed, comprising a first carrier substrate (1) and a lighting unit (2, 4a-4d). The first carrier substrate (1) is bendable. The first carrier substrate (1) is bent so as to form a tubular structure (5), which is elongated and possibly at least in part hollow, and has a central, longitudinal axis (LA). At least a portion of one side of the first carrier substrate (1) at least in part constitutes an outer surface (6) of the tubular structure (5) exhibiting a plurality of surface portions (6a-6d), with the plurality of surface portions (6a-6d) configured such that at least some of the surface portions (6a-6d) each has a surface normal (7a, 7d) that is at an angle with respect to planes perpendicular to the central, longitudinal axis (LA) and passing through the respective surface portion (6a-6d). The lighting unit (2, 4a-4d) is coupled to the at least a portion of the one side of the first carrier substrate (1). By way of the geometrical configuration of the plurality of surface portions (6a- 6d), the lighting unit (2, 4a-4d) and possibly at least one light-emitting element (4a-4d) included therein may have a main direction of light emission that is at an angle with respect to a plane that is passing through the tubular structure (5) and that is substantially perpendicular to the central, longitudinal axis (LA) of the tubular structure (5).
Abstract:
An LED lighting unit (300) may include a flexible circuit substrate having a an obverse side and a reverse side. The obverse side may include a plurality of mounting points for LEDs (120) and the reverse side may include a thermal conduction material. A plurality of LEDs may be mounted to the plurality of mounting points and may be in thermal communication with the thermal conduction material. A heat sink (200) may be attached to the reverse side of the substrate and may have a hollow conical-frustum geometry. The heat sink may include a top circumference, a bottom circumference, a top opening, a bottom opening, at least one cooling fin (260) extending into an interior of the heat sink.