F21Y2107/10

Flexible printed wiring structure for LED light engine

A lighting engine, system, and method of fabrication are described. The system includes a chassis with a ridge extending from a bottom that defines inner and outer cavities. A flexible printed circuit (FPC) is disposed in contact with a wall of the inner and outer cavities and on the ridge top and is connected to wiring retained within bosses in the outer cavity. LEDs are mounted on the FPC to emit light toward a center of the cavity. A light guide disposed has an edge that opposes the LEDs and receives light emitted by the LEDs. The FPC has a polyimide insulator coupled with a pressure-sensitive adhesive (PSA), a copper layer on the polyimide insulator, and a high-reflectivity white coverlay on the copper layer. Other apparatuses, systems, and methods are also disclosed.

LIGHTING DEVICE
20210254818 · 2021-08-19 ·

A lighting device is disclosed in the present disclosure. The lighting device includes a support assembly, an illuminant assembly, and a switch assembly. The illuminant assembly is connected to the support assembly and capable of being rotated to the support assembly. When the illuminant assembly is rotated to a position at which an angle between the illuminant assembly and the support assembly is less than or equal to a first angle threshold, the switch assembly turns to an on-state. In this way, the lighting device has a function of a switch.

LIGHTING FIXTURE FOR DYNAMIC LIGHTING EFFECTS
20210259070 · 2021-08-19 ·

A lighting fixture includes a housing, a light source, an optics array, and control circuitry. The housing includes an opening through which light is provided from the lighting fixture towards an area of interest. The light source is in the housing and includes a number of solid-state light sources. The optics array is also in the housing and includes a number of optics. Each optic in the optics array is configured to focus light from each one of the light sources into a number of beams of light such that each one of the beams of light is provided through the opening of the housing at a different angle. The control circuitry is configured to selectively illuminate the number of solid-state lighting sources such that a direction of light provided by the lighting fixture dynamically changes over time.

Stage Light With Additional Visual Effect
20210222855 · 2021-07-22 · ·

A stage light with an additional visual effect includes a main light source and a lampshade, the main light source being located at a bottom of the lampshade. The stage light further includes at least one effect light source and at least one light-transmitting plate located at a light outlet of the lampshade. The effect light source and the main light source are controlled independently of each other. The light-transmitting plate has a first surface and a second surface, and a first side and a second side connecting to the first surface and the second surface, respectively. At least part of the light emitted by the effect light source enters from the first side and exits from the second side. The light emitting by the effect light source exits from the second side, so that the second side is illuminated, which decorates the stage light itself.

EDGE LIT LUMINAIRE
20210294020 · 2021-09-23 ·

An edge-lit luminaire includes a housing, a lens, a light emitter, a first reflector, and a second reflector. The housing has a central opening that defines a central area. The lens includes a plurality of extraction features substantially evenly distributed over a lens area. The lens is positioned proximate the central opening, and the lens area is larger than the opening area. The light emitter is positioned adjacent the lens and configured to direct light in a direction generally orthogonal with respect to the central opening. The first reflector is positioned proximate a first surface of the lens distal the central opening. The first reflector substantially covers the first surface of the lens. The second reflector is positioned proximate a second surface of the lens opposite the first surface. The second reflector substantially covers the second surface of the lens outside of the central opening.

Refracting elements, including ball lenses that concentrate and provide unobstructed optical pathways from multiple light sources
11112084 · 2021-09-07 ·

An optical system for architectural lighting products includes an optical chain including an LED light source, a first optic begin a spherical ball lens and a second optic disposed to intercept and modify at least a portion of a beam projected by the ball lens.

Edge lit luminaire

An edge-lit luminaire includes a housing, a lens, a light emitter, a first reflector, and a second reflector. The housing has a central opening that defines a central area. The lens includes a plurality of extraction features substantially evenly distributed over a lens area. The lens is positioned proximate the central opening, and the lens area is larger than the opening area. The light emitter is positioned adjacent the lens and configured to direct light in a direction generally orthogonal with respect to the central opening. The first reflector is positioned proximate a first surface of the lens distal the central opening. The first reflector substantially covers the first surface of the lens. The second reflector is positioned proximate a second surface of the lens opposite the first surface. The second reflector substantially covers the second surface of the lens outside of the central opening.

LED light engine features

A lighting engine, system and method of fabrication are described. The engine contains a chassis having a side wall and bottom surface that define a cavity. A recess is formed in the bottom surface. A flexible printed circuit (FPC) is on the side wall and LEDs are mounted on the FPC to emit light toward a center of the cavity. A light guide positioned within the cavity receives light emitted by the LEDs through an edge of the light guide. A gasket disposed within the recess is in contact with a first surface of the light guide. A reflector within the cavity is adjacent to a second surface of the light guide opposite the first surface of the light guide. A backplate is attached to the chassis and configured to seal the cavity. Other apparatuses, systems, and methods are also disclosed.

Lamp for vehicle and vehicle
11009204 · 2021-05-18 · ·

A lamp for a vehicle includes an array module including a plurality of micro Light Emitting Diode (LED) chips. The array module has an emission surface that is concave in a first direction of the array module. The lamp further includes a lens system configured to change a waveform of light output from the array module, where the lens system has a positive optical power that represents a degree of convergence of the waveform through the lens system.

Information handling system including light-emitting diode lighting feature
11002416 · 2021-05-11 · ·

An information handling system includes an outer housing containing a processor configured to execute instructions to process information and a memory configured to store the information. The information handling system includes a plurality of light-emitting diodes (LEDs) and corresponding electrical conductors disposed along a length of the membrane. The information handling system includes a diffuser configured to diffuse light emitted by the plurality of LEDs to provide light having uniform intensity over a contiguous path along the outer housing.