A laser array includes a plurality of laser diodes arranged and electrically connected to one another on a surface of a non-native substrate. Respective laser diodes of the plurality of laser diodes have different orientations relative to one another on the surface of the non-native substrate. The respective laser diodes are configured to provide coherent light emission in different directions, and the laser array is configured to emit an incoherent output beam comprising the coherent light emission from the respective laser diodes. The output beam may include incoherent light having a non-uniform intensity distribution over a field of view of the laser array. Related devices and fabrication methods are also discussed.

A laser array includes a plurality of laser emitters arranged in a plurality of rows and a plurality of columns on a substrate that is non-native to the plurality of laser emitters, and a plurality of driver transistors on the substrate adjacent one or more of the laser diodes. A subset of the plurality of laser emitters includes a string of laser emitters that are connected such that an anode of at least one laser emitter of the subset is connected to a cathode of an adjacent laser emitter of the subset. A driver transistor of the plurality of driver transistors is configured to control a current flowing through the string.

A light emitting device (1) adapted for projecting a light beam (15) onto a target surface, the light emitting device (1) comprising a light engine (2) comprising a light source (3), a light mixing chamber (4), and an optical component (5) having a spherical shape with a curved light-receiving surface (51), where the light source (3) is arranged to, in operation, emit light towards a light exit window (41) of the at least one light mixing 5 chamber, the light exit window (41) of the at least one light mixing chamber (4) thereby acting as an extended light source with a curved light-emitting surface, where the optical component (5) is provided adjacent to the light exit window (41) of the light mixing chamber, and where the curved light emitting surface of the at least one light mixing chamber (4) is conformal to an the curved light-receiving surface (51) of the optical component (5) and 10 coincident with a focal surface (52) of the optical component (5).

A lens (1) comprising a centrally extending axis (A) being perpendicular to a lens axis (L) of the lens, the lens being adapted for retracting light rays from a light source positioned off-axis with respect to the centrally extending axis, the lens comprising a first plurality of slits (21, 22, 23, 24) extending entirely in an interior of the lens and comprising a length (l) extending perpendicular to the centrally extending axis, a width (w) extending parallel to the centrally extending axis and a thickness (t) extending perpendicular to both the length and the width, the first plurality of slits being mutually parallel and covering between 40% and 60% of a plane in which both the centrally extending axis (A) and the length (l) and width (w) of the first plurality of slits (21, 22, 23, 24) extend.

A light-emitting device includes a lens of refractive index n having a spherical exit surface of radius R and a luminous element positioned such that at least a portion of an edge of an emitting surface of the luminous element lies on a sphere of radius R/n opposite the exit surface, whereby that portion of the edge of the emitting surface is aplanatically imaged by the spherical exit surface. The light-emitting device may further include one or more reflective sidewalls arranged to reflect a fraction of light emitted from the luminous element before it is refracted by the exit surface. A luminaire incorporating a housing and a light-emitting device of this type is also provided, which may include one or more additional optical elements such as reflectors or lenses to further direct and shape light from the light-emitting device.

An electronic candle includes a housing, a lens, a light emitting device and a flame image controller. The flame image controller includes a bracket, a first permanent magnet and a second permanent magnet. A first end of the bracket connects to the light emitting device and a second of the bracket connects to the second permanent magnet. The flame controller changes a size of an image of a flame by moving the light emitting device in a horizontal direction in response to a first magnetic field applied to the first permanent magnet, and flickers the image of the flame by vibrating the light emitting device in response to a second magnetic field applied to the second permanent magnet.

A lens (1) comprising a centrally extending axis (A) being perpendicular to a lens axis (L) of the lens, the lens being adapted for retracting light rays from a light source positioned off-axis with respect to the centrally extending axis, the lens comprising a first plurality of slits (21, 22, 23, 24) extending entirely in an interior of the lens and comprising a length (l) extending perpendicular to the centrally extending axis, a width (w) extending parallel to the centrally extending axis and a thickness (t) extending perpendicular to both the length and the width, the first plurality of slits being mutually parallel and covering between 40% and 60% of a plane in which both the centrally extending axis (A) and the length (l) and width (w) of the first plurality of slits (21, 22, 23, 24) extend.

A solid-state linear lamp comprises a co-extruded component, the co-extruded component comprising an elongate lens and a layer of photoluminescent material. The elongate lens is for shaping light emitted from the lamp and comprises an elongate interior cavity. The layer of a photoluminescent material is located on an interior wall of the elongate interior cavity. The lamp further comprises an array of solid-state light emitters configured to emit light into the elongate interior cavity.

A lighting device comprises a light emitter (100) with a spherical translucent body (101) containing at least one reflector (102) and defining large, combined incident (109) and emission (105) lenses. The light emitter reflects and focuses light from a waveguide (40) to project a beam onto a target surface. The light emitter is preferably slidably mounted for rotation on a support element (20) which may comprise a circular aperture (22) in a plate, and may be configured as a desk or stage lamp, a wall light, or a downlighter suspended beneath a ceiling. The waveguide or light emitter may provide ambient or uplighting in addition to the beam.

A notification appliance is disclosed. The notification appliance may be a strobe notification appliance, such as an LED strobe notification appliance. The notification appliance may be wall-mounted or ceiling-mounted. Further, the notification appliance may include an optic that is configured to shape the light output from the notification appliance. For example, in a wall-mount, the optic may be mounted off-axis of a plane defined by a back plate of the notification appliance. Further, the notification appliance may be composed of a back plate, a driver board, and a front housing, with the front housing being attached to one or both of the back plate and the driver board. Moreover, the notification appliance may be used with an adapter bracket, which may be used to connect the notification appliance with one or more types of junction boxes.