Abstract: The invention relates to a housing (1) for an electrical device wherein an inner surface (2) of said housing has a conductive pattern (3) providing at least one conductive track, said track being arranged to provide local electric interconnection from the housing to at least one enclosed electrical component of said electrical device and/or vice versa, wherein the conductive pattern is fixedly fastened to said inner surface (2) of said housing so that said conductive pattern will break if the housing wall is broken where the conductive pattern is fastened.

Abstract: According to one embodiment, a reflector device is disclosed. In one example, the reflector device comprises a reflector having a plus-shaped cross section, and at least one solid state light emitting element. The reflector may comprise at least a first and a second surface portions, which extend in planes intersecting at an angle, said at least one solid state light emitting element being mounted to one of said first surface portion or said second surface portion.

Abstract: A lamp and an operating method for a lamp with an LED element 22 are described. An electrical circuit with the LED element 22 is covered by a cover member 12. A separation device 28 is provided to mechanically severe the electrical conductor 16a, 16b arrange to supply electrical power to the LED element 22 if the detector element 24 detects a defect of the cover member 12.

Abstract: Various embodiments are directed to a method of manufacturing a lighting device. In one example, the method comprises providing a glass envelope having one or more openings, inserting a first device component through one of the one or more openings, and providing at least one of the one or more openings with a glass cap by way of melt-joining. Prior to melt-joining the first device component is moved to a position within the glass envelope away from the at least one of the one or more openings. The first device component is repositioned and/or expanded within the glass envelope after melt-joining.

Abstract: A lighting device is provided. The light device (1) comprises a light source (2), a driver (3) for providing an output to said light source (2), and a first housing (4). The first housing (4) comprises a blister pack with at least one compartment suitable for locating said light source (2) and driver (3). A second housing (6) may also be provided and the second housing (6) may advantageously comprise a luminaire.

Abstract: A tubular lighting device comprising an elongated heat sink (3), at least one light source (5) mounted on the elongated heat sink (3), and an elongated hollow tubular member (7) with a first and a second end arranged along the elongated heat sink (3). The tubular member (7) comprises a lens (15) and a light exit surface (9). The light exit surface is located in front of the lens (15) and the light exit surface (9) have at least one diffusing portion (11) with a transparent portion on each side of each diffusing portion. The at least one diffusing portion (11) covers an area on the light exit surface (9) corresponding to a light distribution of said lens (15) projected on the light exit surface (9), such that all light is directed by said lens (15) onto the at least one diffusing portion (11).

Abstract: The present invention relates to a drive method for an electrophoretic cell and a device adapted to implement the method. The cell comprises a first storage electrode (24), a second storage electrode (22), a first target area electrode (28), a second target area electrode (30), a first type of particle (32) and a second type of particles (33), said second type of particles being of opposite polarity to the first type of particles. An area (31) extending between the target area electrodes (28, 30) is a target area. The method comprises a reset phase (110), wherein said first and second type of particle are reset to determined reset positions, a first write phase (120), wherein the first type of particles are moved to and/or from the storage electrodes and change in amount in said target area (31), a second write phase (140) similar to the first write phase but for the second type of particles, and a spread phase (150) so that the particles in said target area (31) distribute and mix.

Abstract: A light output device and manufacturing method in which an array of LEDs is embedded in an encapsulation layer. An array of cavities (or regions of different refractive index) is formed in the encapsulation layer. The cavities/regions have a density or size that is dependent on their proximity to the light emitting diode locations, in order to reduce hot spots (local high light intensity areas) and thereby render the light output more uniform over the area of the device.

Abstract: A lamp and an operating method for a lamp with an LED element 22 are described. An electrical circuit with the LED element 22 is covered by a cover member 12. A separation device 28 is provided to mechanically severe the electrical conductor 16a, 16b arrange to supply electrical power to the LED element 22 if the detector element 24 detects a defect of the cover member 12.

Abstract: A method for manufacturing an assembly (10) is disclosed. The assembly (10) comprises a substrate (1) having a first surface (3) and a second surface (4). The substrate (1) is at least partially plastically deformable. The assembly (10) comprises a supporting surface (5) arranged to support at least a portion of the second surface (4). The substrate (1) is plastically deformed, thereby producing an elastic preload in at least a portion of the substrate (1). The substrate (1) is fixedly arranged in the assembly (10) such that the second surface (4) is placed against the supporting surface (5), wherein the elastic preload in the at least a portion of the substrate (1) produces a force between the at least a portion of the second surface (4) and the supporting surface (5), whereby the at least a portion of the second surface (4) becomes in abutment with the supporting surface (5) over the at least a portion of the second surface (4). A light source comprising the assembly (10) is also disclosed.

Abstract: A lighting device has an array of light emitting diodes (LEDs), an adhesion layer having portions with photo-activated electrical conductivity over the LEDs, and electrically charged scattering particles adhered by electrostatic attraction to the adhesion layer portions, thereby forming scattering regions that are self-aligned to the light emitting diodes. A method for manufacturing the lighting device includes photo-activating the adhesion layer using light output from the light emitting diodes to locally vary the conductivity of the adhesion layer; and attaching electrically charged scattering particles to the adhesion layer by electrostatic attraction.

Abstract: According to one embodiment, a reflector device is disclosed. In one example, the reflector device comprises a reflector having a plus-shaped cross section, and at least one solid state light emitting element. The reflector may comprise at least a first and a second surface portions, which extend in planes intersecting at an angle, said at least one solid state light emitting element being mounted to one of said first surface portion or said second surface portion.

Abstract: A display includes a vertical stack of at least two different color absorbing layers of pixels. The pixel resolution of at least two of the layers is different.

Abstract: The present invention relates to a lighting device (1) comprising: a carrier (106, 206, 306), an electrode pattern comprising at least a first carrier electrode (214, 312) arranged on the carrier, and an opto-electronic module (102, 202, 302, 402). The opto-electronic module (102, 202, 302, 402) comprises: a first, a second, a third and a fourth electric contact point arranged to together define a tetrahedron; a first light source (208, 308, 408) arranged to emit light in response to an AC-voltage being applied between the first electric contact point (216, 316, 416) and the second electric contact point (218, 318, 418); and a second light source (210, 310, 410) arranged to emit light in response to an AC-voltage being applied between the third electric contact point (220, 320, 420) and the fourth electric contact point (222, 322, 422).

Abstract: A light output device and manufacturing method in which an array of LEDs is embedded in an encapsulation layer. An array of cavities (or regions of different refractive index) is formed in the encapsulation layer. The cavities/regions have a density or size that is dependent on their proximity to the light emitting diode locations, in order to reduce hot spots (local high light intensity areas) and thereby render the light output more uniform over the area of the device.

Abstract: A reflector device comprising a reflector (106), having an inner surface (120, 122), and at least one solid state light emitting element (114). The inner surface of the reflector comprises first and second surface portions (120, 122), which are flat and which extend in planes intersecting at an angle. The at least one solid state light emitting element (114) is mounted at at least one of said first and second surface portions (120,122) such that a major part of the light emitted from said at least one solid state light emitting element (114) illuminates the other one of said first and second surface portions (120,122).

Abstract: A lighting device is disclosed that comprises a glass tube (10); a solid state lighting assembly in said glass tube, said assembly comprising an electrically insulating optical film (20) comprising at least one arcuate portion lining a part (12) of the inner surface of the glass tube, wherein the glass tube further comprises a further part (14) defining a light exit portion; and a plurality of solid state lighting elements (32) on a carrier (30), said carrier contacting said optical film; a thermally conductive member (40, 42) in between at least a part of the solid state lighting assembly and the glass tube for thermally coupling the solid state lighting elements to the glass tube; and a transparent or translucent electrically insulating cover (50, 60) contacting the electrically insulating optical film and covering the solid state lighting elements. A luminaire including such a lighting device and a lighting device assembly method are also disclosed.

Abstract: A tubular lighting device comprising an elongated heat sink (3), at least one light source (5) mounted on the elongated heat sink (3), and an elongated hollow tubular member (7) with a first and a second end arranged along the elongated heat sink (3). The tubular member (7) comprises a lens (15) and a light exit surface (9). The light exit surface is located in front of the lens (15) and the light exit surface (9) have at least one diffusing portion (11) with a transparent portion on each side of each diffusing portion. The at least one diffusing portion (11) covers an area on the light exit surface (9) corresponding to a light distribution of said lens (15) projected on the light exit surface (9), such that all light is directed by said lens (15) onto the at least one diffusing portion (11).

Abstract: Various embodiments are directed to a method of manufacturing a lighting device. In one example, the method comprises providing a glass envelope having one or more openings, inserting a first device component through one of the one or more openings, and providing at least one of the one or more openings with a glass cap by way of melt-joining. Prior to melt-joining the first device component is moved to a position within the glass envelope away from the at least one of the one or more openings. The first device component is repositioned and/or expanded within the glass envelope after melt-joining.

Abstract: A light output device and manufacturing method in which an array of LEDs (34) is embedded in an encapsulation layer (32). An array of cavities (30) (or regions of different refractive index) is formed in the encapsulation layer (32). The cavities/regions (30) have a density or size that is dependent on their proximity to the light emitting diode (34) locations, in order to reduce hot spots (local high light intensity areas) and thereby render the light output more uniform over the area of the device.