F21Y2107/00

Light engine for and method of simulating a flame
11435043 · 2022-09-06 · ·

An apparatus, system, and method for lighting effects, including simulating a flame. A three dimensional carrier includes an array of a plurality of light sources distributed on it. A control circuit coordinates on/off of the light sources in a manner to simulate a jumping flame. In one embodiment, the three dimensional carrier and LEDs are encapsulated in an at least partially light transmissive cover. This light modular engine includes a control circuit and an interface to electrical power. The system can include the light engine in a light fixture such as an architectural fixture. The methodology can include a sequence of on/off and brightness variations for the array of light sources.

Light emitting device

A light emitting device (1) having a longitudinal axis (A) comprising at least one LED light source (8, 9) adapted for, in operation, emitting first light, at least one LED filament (4, 5, 6, 7) adapted for, in operation, emitting second light, at least one translucent core element (2), the translucent core element comprising a circumferential wall (3), an inner space (21) enclosed by the circumferential wall, and an outer bulb (13) enclosing the at least one translucent core element (2) and the at least one LED filament (4, 5, 6, 7), wherein the at least one LED light source (8, 9) being arranged in the inner space enclosed by the circumferential wall of the translucent core element, and the at least one LED filament (4, 5, 6, 7) being arranged outside of the at least one translucent core element, and wherein the at least one translucent core element (2) is centrally arranged on the longitudinal axis (A).

LED-Filaments and LED-Filament Lamps
20220293571 · 2022-09-15 ·

An LED-filament includes a partially light-transmissive substrate; blue LED chips mounted on a front face of the substrate; first broad-band green to red photoluminescence materials and a first narrow-band manganese-activated fluoride red photoluminescence material covering the blue LED chips and the front face of the substrate; and second broad-band green to red photoluminescence materials covering the back face of the substrate. The LED-filament may further include a second narrow-band manganese-activated fluoride red photoluminescence material on the back face of the substrate in an amount that is less than 5 wt % of a total red photoluminescence material content on the back face of the substrate.

Lighting devices that comprise one or more solid state light emitters
11402071 · 2022-08-02 · ·

Light engine modules include a support member and a solid state light emitter, in which (1) the emitter is mounted on the support member, (2) a region of the support member has a surface with a curved cross-section, (3) the emitter and a compensation circuit are mounted on the support member, (4) an electrical contact element extends to at least two surfaces of the support member, and/or (5) a substantial entirety of the module is located on one side of a plane and the emitter emits light into another side of the plane. Also, a module including means for supporting a light emitter and a light emitter. Also, a lighting device including a housing member and a light emitter mounted on a removable support member. Also, a lighting device including a module mounted in a lighting device element. Also, a method including mounting a module to a lighting device element.

Light

A light including a housing having an upper portion, a lower portion, and a central axis. The lower portion defines a battery port. The upper portion acts as a lens. The light further includes a heat sink extending upward from the lower portion of the housing and including a body defining a central aperture. A plurality of light support surfaces are arranged around a perimeter of the body and a top support member is coupled to and oriented perpendicularly relative to the plurality of light support surfaces. The light further includes a first plurality of LEDs coupled to the plurality of light support surfaces and a second plurality of LEDs supported on the top support member. The light further includes a first battery pack and a second battery pack, both of which are electrically connected to the first and second pluralities of LEDs when received in the battery port.

Light including a heat sink and LEDs coupled to the heat sink and light intensity management thereof

A light includes a housing having a lens, a bottom cover, and a middle cover positioned between the lens and the bottom cover. The lens, the bottom cover, and the middle cover cooperate to form a water-tight space. The light additionally includes a chimney having a hollow tube extending from a bottom of the housing to a top of the housing, a heat sink coupled to the chimney and positioned within the lens, and one or more LEDs coupled to the heat sink to emit light through the lens. The light also includes a circuit board positioned within the water-tight space and coupled to the one or more LEDs to control operation of the light.

LED STRIP CONFIGURTIONS FOR LARGE AREA ROUND LUMINAIRES PROVIDING HOMOGENEOUS LIGHTING
20220221113 · 2022-07-14 ·

The disclosure concerns a light-emitting module (100) comprising one or more flexible, elongated light-emitting diode, LED, strips (110) and a mixing chamber (150). Each LED strip comprises a first side (112) on which a plurality of LEDs (111) is mounted, a second side (113) opposite to said first side, and two lengthwise edges (114). The mixing chamber (150) is arranged to mix light emitted by said LEDs and comprises a base (151). One of the lengthwise edges (144) of each LED strip is arranged to face the base (151) of the mixing chamber. At least a portion of each LED strip (110) is bent (or folded) to extend radially from a center portion of the mixing chamber towards one or more outer points (132), so that the one or more light-emitting diode strips (110) together form a number N of elongated arms (130). Each elongated arm comprises two segments of the LED strip, where the segments form opposite sides of the elongated arm.

Broad view headlamp
11384913 · 2022-07-12 · ·

The broad view headlamp includes a plurality of light sources that illuminate an area in front of the headlamp, an area adjacent to each side of the headlamp, and an area below the headlamp. The headlamp includes a number of lighting modes, such that any one of the light sources can be operated individually or in combination with any one or more of the remaining light sources. The headlamp housing has multiple lighting compartments, each having one or more light sources disposed therein. Each compartment includes an optical lens. The various light sources, together with the optical lenses, allow the headlamp to illuminate a view area extending to, at least, the outer boundaries of the far peripheral vision of the human eye, i.e., 110 degrees to the right and left of center. Thus, the total combined view area illuminated by the headlamp is at least 220 degrees.

Broad View Headlamp
20220290832 · 2022-09-15 · ·

The broad view headlamp includes a plurality of light sources that illuminate an area in front of the headlamp, an area adjacent to each side of the headlamp, and an area below the headlamp. The headlamp includes a number of lighting modes, such that any one of the light sources can be operated individually or in combination with any one or more of the remaining light sources. The headlamp housing has multiple lighting compartments, each having one or more light sources disposed therein. Each compartment includes an optical lens. The various light sources, together with the optical lenses, allow the headlamp to illuminate a view area extending to, at least, the outer boundaries of the far peripheral vision of the human eye, i.e., 110 degrees to the right and left of center. Thus, the total combined view area illuminated by the headlamp is at least 220 degrees.

Solid state lamp using light emitting strips

A solid state lamp includes a connector and a bulb portion with multiple strips.