F21Y115/10

LED lamp
11629826 · 2023-04-18 · ·

An LED lamp A includes a plurality of LED modules 2 each including an LED chip 21, and a support member 1 including a support surface 1a on which the LED modules 2 are mounted. The LED modules 2 include a plurality of kinds of LED modules, or a first through a third LED modules 2A, 2B and 2C different from each other in directivity characteristics that represent light intensity distribution with respect to light emission directions. This arrangement ensures that the entire surrounding area can be illuminated with sufficient brightness.

Illumination apparatus
11629847 · 2023-04-18 · ·

An illumination apparatus comprises a plurality of LEDs aligned to an array of directional optical elements wherein the LEDs are substantially at the input aperture of respective optical elements. An electrode array is formed on the array of optical elements to provide at least a first electrical connection to the array of LED elements. Advantageously such an arrangement provides low cost and high efficiency from the directional LED array.

Lighting arrangement for vehicles
11629837 · 2023-04-18 · ·

Lighting arrangement (10) for vehicles, said light arrangement comprises: —at least one light guide (100), which extends from a common end region (110) into a at least one light guide portion (210) at a transition section (200) of the light guide (100), wherein the common end region (110) has a light main propagation direction (X) and the at least one light guide portion (210) extends along a second direction, wherein the at least one light guide (100) comprises a light receiving surface (101) configured to receive light from a light source and direct the light into the light guide (100), wherein the at least one light guide portion (210) has one or more decoupling-elements (230) for emitting light out of the light guide portion (210), wherein the at least one light guide portion (210) is configured to emit a first light distribution, and —a supplementary component (300) for using stray light exiting from the at least one light guide (100) at the transition section (200), said supplementary component (300) extends along the transition section (200) and has a light entry surface and a light exit surface opposite to the light entry surface for emitting light in the main propagation direction (X).

Selectively frosted optical element for beam shaping
11629842 · 2023-04-18 · ·

An apparatus can include a lens that can shape light emerging from a light emitting diode (LED). The emergent light from the LED can be substantially centered around an LED axis. An incident surface of the lens can be positioned to face the LED. The incident surface can include a concave portion. The concave portion can be substantially smooth, so as not to substantially scatter light that strikes the concave portion. The concave portion can be substantially centered around a concave portion axis that is non-coaxial with the LED axis. The incident surface can include a scattering portion, positioned away from the concave portion, which can be textured so as to scatter light that strikes the scattering portion. An exiting surface of the lens can optionally include a generally planar portion that at least partially surrounds a substantially smooth convex portion.

LED light bulb with curved filament

An LED light bulb includes a bulb shell, a bulb base, two conductive supports, a stem, two supporting arms, and an LED filament. The bulb base is connected with the bulb shell. The two conductive supports are disposed in the bulb shell. The stem extends from the bulb base to inside of the bulb shell. The two supporting arms are disposed in the bulb shell. The LED filament includes a plurality of LED chips arranged in an array and two conductive electrodes respectively disposed at two ends of the LED filament and connected to the LED chips. The two conductive electrodes are respectively connected to the two conductive supports. A direction of a first highest curved portion of the LED filament and a direction of a second highest curved portion of the LED filament are substantially opposite to a direction of a lower curved portion of the LED filament.

System and method for illuminating a moving object within an enclosed space
11628765 · 2023-04-18 · ·

A system for illuminating at least a portion of an object within an enclosed space includes an object configured to be moved within the enclosed space, and a beacon coupled to the object. The beacon is configured to emit a light tracking signal. A light sensor is configured to detect the light tracking signal emitted from the beacon. A lighting control unit in communication with the light sensor is configured to determine a position of the object within the enclosed space based on the light tracking signal as detected by the light sensor. A lighting assembly is in communication with the lighting control unit. The lighting control unit is configured to operate the lighting assembly to emit the illuminating light onto the at least a portion of the object based on the light tracking signal as detected by the light sensor. The system may also be configured to guide a passenger to a seat, and provide way-finding illumination.

Hybrid lamp for a vehicle

A hybrid vehicle lamp includes a functional surface and a functional marking integrated within the functional surface. A housing has a plurality of mounting locations configured to respectively align a plurality of light sources configured to illuminate the functional marking or the functional surface, or both, in a lit mode. A controller is configured to individually control each of the plurality of light sources for providing different illumination patterns of the functional marking and the functional surface such that such that automotive functional lighting and non-automotive functional lighting is provided.

Surface mounted LED-based linear lighting apparatus with articulating fastener
11629829 · 2023-04-18 · ·

A surface-mounted linear lighting system includes a metal extrusion having an elongated element having a substantially U-shaped cross-section comprising a first vertical sidewall, a second vertical sidewall and a horizontal floor joining the first and second sidewalls, a first groove on an exterior of the first vertical sidewall, a second groove on an exterior of the horizontal floor, a third groove on the exterior of the horizontal floor, and a fourth groove on an exterior of the second vertical sidewall; and a plurality of articulating fasteners configured for coupling to a pair of grooves in the metal extrusion selected from the group: the first groove, the second groove, the third groove and the fourth groove, fastening to a surface, and providing a hinged connection between the metal extrusion and the surface.

Homogenous lit line image vehicle lamp assembly

A lamp assembly for a vehicle includes a plurality of light-emitting diodes (LEDs) mounted in or on the vehicle and arranged in a linear pattern. An elongated optical member is disposed longitudinally along the linear pattern of LEDs. The elongated optical member is configured to receive light emitted from the LEDs and project a corresponding plurality of lit images. A vehicle lamp assembly includes a plurality of LEDs mounted to a printed-circuit board to form a linear array. A primary light pipe is disposed adjacent to the linear array of LEDs and aligned longitudinally along the linear array of LEDs, such that light emitted from each of the LEDs of the linear array traverses radially through the primary light pipe.

Optoelectronic device with light-emitting diodes
11662066 · 2023-05-30 · ·

An optoelectronic device including light-emitting components, each light-emitting component being adapted to emit a first radiation at a first wavelength, and photoluminescent blocks, each photoluminescent block facing at least one light-emitting component and comprising a single quantum well or multiple quantum wells, photoluminescent blocks being divided into first photoluminescent blocks adapted to convert by optical pumping the first radiation into a second radiation at a second wavelength, second photoluminescent blocks adapted to convert by optical pumping the first radiation into a third radiation at a third wavelength and third photoluminescent blocks adapted to convert by optical pumping the first radiation into a fourth radiation at a fourth wavelength.