Abstract: An end cap (104) for a tubular light source (102), the tubular light source (102) being configured to be arranged in a lighting fixture (106) comprising at least one socket (108), wherein the end cap (104) comprises a housing (202), two connector pins (112) at least partly arranged on an outside of the housing (202) and adapted to fit in the socket, and a switch assembly comprising a switch element (110) arranged in between the two connector pins (112) and at least partly protruding from an opening in the housing (202), wherein a first side of the switch element (110) is adapted to fit into a slot in a socket (108) and wherein the switch assembly is configured to form a conductive path between the socket (108) and the tubular light source (102) through an axial rotation of the switch element (110) in relation to the housing (202) as the tubular light source (102) is rotatably mounted in the fixture (106).

Abstract: An illumination device comprising a light source (110). The illumination device comprises a thermally conducting carrier (130) arranged to support the light source. Furthermore, the illumination device comprises an envelope (120), wherein the carrier and the envelope together form a single compartment (140) at least partially enclosing the light source. The carrier is arranged to transfer heat (160) away from the light source to the envelope, and the envelope is arranged to dissipate heat (170) away from the illumination device. The carrier and the envelope of the illumination device may further form a single integrated part.

Abstract: There is provided a lighting device 100 comprising at least one LED-based light source 102 for generating light, and a light exit element 101 which is optically and thermally coupled to the LED-based light source. The light exit element comprises a heat conducting structure 150 arranged for distributing heat generated by the LED-based light source over a predetermined sub area of the light exit element. The heat conducting structure may be embedded in or thermally connected to the light exit element and comprises aligned heat conducting paths 151. The introduction of heat conductive structures into the light exit element that spread heat in the light exit element and may be arranged to conduct heat from a heat sink into the light exit element or from the light exit element to a heat sink makes the light exit element to an integral part of the heat transferring external surface of the lighting device.

Abstract: The present invention relates to a flat lighting device (1) comprising a carrier (2) including a thermally conductive layer (7), at least one solid state light source (3) arranged on a front side of the carrier (2), and an electrically insulating cover member (5a, 5b) in thermal contact with said front side and a back side opposite said front side. The cover member (5a, 5b) is adapted to transfer heat from said carrier (2) out of the lighting device. The cover member (5a, 5b) comprises an optical structure (4) arranged on the carrier (2) in front of the at least one light source (3) and adapted to direct the light emitted by the at least one solid state light source (3).

Abstract: An illumination device (100) is disclosed, comprising at least two light sources (110), each of which is arranged to emit light, a carrier (120), having a first side (122) and a second side (124), wherein the at least two light sources are coupled to the first side of the carrier, and an envelope at least partially enclosing the light sources and the carrier. At least one of the light sources is coupled to a first portion (126) of the carrier and a least another one of the light sources is coupled to a second portion (128) of the carrier, wherein the first and second portions of the carrier are different, and the carrier is arranged such that the second side of the first portion of the carrier at least partially faces the second side of the second portion of the carrier. Thereby the light sources may be directed to emit light in several directions so as to increase the angle interval of the light emitted by the illumination device with the light sources being mounted e.g.

Abstract: The invention relates to a light-output device (1; 10; 30) controllable to provide different light-output functions. The light-output device comprises a light-source arrangement (12; 31) configured to emit light; and a light-guiding system (10; 32) arranged to receive the light and configured to guide the light to at least one light-output surface of the light-guiding system. The light-guiding system (10; 32) comprises at least a first light-guide (11b; 37) and a second light-guide (11a; 40, 41); and the light-guiding system (10; 32) is movable relative to the light-source arrangement (12; 31) between at least a first position where light output by the light-source arrangement is guided by the first light-guide (11b; 37) to provide a first light-output function, and a second position where light output by the light-source arrangement is guided by the second light-guide (11a; 40, 41) to provide a second light-output function, different from the first light-output function.

Abstract: The present invention relates lamp (10), comprising: a carrier (12); a series (28a) of solid state light sources (30) mounted on the carrier; and a cover member (32a) covering the series of solid state light sources, wherein openings (40) are provided in the carrier between the solid state light sources of said series of solid state light sources, such that light emitted from the series of solid state light sources and reflected back towards the carrier by the cover member is allowed to pass the carrier through the openings. The present invention also relates to a lighting fixture comprising at least one such lamp.

Abstract: The present invention relates to a flat lighting device (1) comprising a carrier (2) including a thermally conductive layer (7), at least one solid state light source (3) arranged on a front side of the carrier (2), and an electrically insulating cover member (5a, 5b) in thermal contact with said front side and a back side opposite said front side. The cover member (5a, 5b) is adapted to transfer heat from said carrier (2) out of the lighting device. The cover member (5a, 5b) comprises an optical structure (4) arranged on the carrier (2) in front of the at least one light source (3) and adapted to direct the light emitted by the at least one solid state light source (3).

Abstract: The present invention relates to an end cap (104) for a tubular light source the tubular light source configured to be arranged in a lighting fixture comprising a socket, wherein the end cap (104) comprises a housing portion having a connection end, two connector pins (116) at least partly arranged on an outside of the housing portion at the connection end, wherein the connector pins (116) are configured to fit in the sockets of the lighting fixture, a first spring loaded switching element (110) configured to be alternately positioned in an actuated state and a non-actuated state, wherein the first spring loaded switching element (110) protrudes at the connection end of the housing portion in the vicinity of the connector pins (116) when positioned in its non-actuated state, and a second spring loaded switching element (112) configured to be positioned in an actuated state and a non-actuated state, wherein the switching elements (110, 112) are configured to be individually positioned in their respective actua

Abstract: The present invention relates to a lighting device (1). The lighting device comprises a light source (3), a circuit board (7) configured to control the light source, and a circuit board frame (10) comprising a slot (12). Further, an edge (8) of the circuit board is mounted in the slot such that the circuit board is in thermal contact with the circuit board frame, thereby enabling heat to be conducted from the circuit board to the circuit board frame. The present invention is advantageous in that the thermal performance of the lighting device is improved and manufacturing costs are reduced.

Abstract: The present invention relates to a lighting device (11) comprising a light emitting portion with at least two solid state light sources, SSL (18). The light emitting portion includes a first cover member (12a) with a first light source carrier (13a) and a first light transmitting portion (14), a second cover member (12b) with a second light source carrier (13b) and a second light transmitting portion (14). The first and second cover member are arranged such that a first light transmitting portion is aligned with the second SSL to allow transmission of light emitted from the second SSL through the first cover member, and a second light transmitting portion is aligned with the first SSL to allow transmission of light emitted from the first SSL through the second cover member. According to this design, light emitted from an SSL on one cover member will be transmitted through the other cover member. Dissipation of heat from each SSL may be provided in the other direction, i.e.

Abstract: The present invention relates to a lighting device (100) (100), comprising at least one light emitting element (102) configured to emit light, a housing (300) having an elongated hollow base portion (302) and a light exit portion (304), wherein the elongated hollow base portion (302) has a polygonal cross section, and a heat transferring arrangement (200) formed from a folded sheet of a thermo conducting material inserted into and fixed inside of the housing (300), the heat transferring arrangement (200) comprising a first section (202) onto which the light emitting element (102) is arranged and adapted to receive heat generated from the at least one light emitting element (102) when emitting light, and a second section (204) having an outer surface which once fixed inside of the housing (300) is formed to be in abutment with an inner surface of the elongated hollow base portion (302) of the housing (300), so that the generated heat is thermally transferred to the housing (300).