Patent classifications
F21Y113/00
Lighting device for a vehicle
Aspects of the disclosure include a vehicle having a glass disposed on the vehicle and a lighting device disposed within the glass, wherein the lighting device includes a plurality of light emitting diodes that are configured to emit light in a first direction, where the first direction is not normal to an outer surface of the glass.
LED frame fixture
A light fixture includes a frame that includes a plurality of frame pieces configured for assembly around a ceiling tile to form the light fixture. Each of the plurality of frame pieces include an L-shaped diffuser and a circuit board that includes a plurality of light sources to emit illumination. The L-shaped diffuser includes a diffuser body that is asymmetric in transparency to direct more illumination from the light sources to inside the ceiling tile than outside the ceiling tile. The diffuser body includes an outside wall that is substantially opaque, an inside wall that is at least partially substantially transparent, and a bottom wall that is substantially transparent. The light fixture can further include a connector to connect adjoining frame pieces together, which includes a substantially opaque portion below the circuit board and a substantially transparent portion above to allow illumination to pass between the adjoining frame pieces.
Light source including light emitters having different peak wavelengths
A light module includes a first light emitter, a second light emitter, a third light emitter, and a controller. The first light emitter is configured to emit a first light having a first peak wavelength in a visible range, the second light emitter is configured to emit a second light having a waveform having a second peak wavelength higher than the first peak wavelength, and the third light emitter is configured to emit a third light having a third peak wavelength that is shorter than the first peak wavelength. The controller is configured to control the first light emitter, the second light emitter, and the third light emitter to generate a first light pattern and a second light pattern. The first light pattern comprises a first light spectrum and the second light pattern comprises a second light spectrum including at least one more peak wavelength than the first light spectrum.
Rotary folding lamp
A rotary folding lamp includes a support assembly, a light emitting assembly, a rotation assembly, a folding assembly and a control component, the light emitting assembly includes a first light emitting part and a second light emitting part which is foldably connected to the first light emitting part, the rotation assembly is arranged between the first light emitting part and the support assembly to allow the first light emitting part to rotate with respect to the support assembly, the folding assembly is arranged between the support assembly and the rotation assembly to allow the first light emitting part to be folded onto the support assembly.
Optical element and luminaire equipped therewith
An optical element (1) for influencing light emitted by light sources (7) has at least one pair of optical system elements (10) which are arranged next to one another and integrally formed with one another. A light entrance region (4) and a deflecting surface portion (5) are formed on the back side (2) of each optical system element (10). Each optical system element (10) is designed so that first light rays (L1) from an assigned light source (7) are directly incident on the deflecting surface portion (5) and undergo total-internal reflection at the deflecting surface portion (5), and subsequently leave the optical element (1) via the front-side surface portion (6). Each optical system element (10) is also designed so that second light rays (L2) of the light from the assigned light source (7 are directly incident on the front-side surface portion (6), undergo total-internal reflection at the front-side surface portion (6), subsequently are incident on the deflecting surface portion (5), undergo total-internal reflection at the deflecting surface portion (5), and subsequently leave the optical element (1) via the front-side surface portion (6).
TOGGLE SWITCH CONTROL FOR LIGHTING DEVICE ACCESSORIES
A lighting device having an accessory is provided. The lighting device includes a light engine having two or more operating modes; an accessory comprising at least one additional operable component having at least two operating modes; and a control unit configured to vary the operating modes of the lighting device in accordance with an activation signal received by the control unit. Receipt of the activation signal cycles the lighting device through each of the operating modes.
High intensity white light source with good uniformity based on a plurality of light sources
The invention provides a light generating system (1000) comprising: (i) a first set (1100) comprising n1 first light generating devices (110), (ii) a first optical element (410), and (iii) a luminescent body (200), wherein: the n1 first light generating devices (110) are configured to generate first device light (111); wherein the n1 first light generating devices (110) may be selected from the group of lasers and superluminescent diodes; the first set (1100) comprises k1 first subsets (1115) of each at least one first light generating device (110) of the n1 first light generating devices (110), wherein n13, especially n15, and 2k1n1; the luminescent body (200) is configured to: (i) convert part of the first device light (111) into luminescent material light (211), and (ii) transmit part of the first device light (111); the n1 first light generating devices (110) and the first optical element (410) are configured to provide first beams (115) of first device light (111) to the luminescent body (200), wherein two or more first beams (115) of two or more first light generating devices (110) of the k1 first subsets (1115) have different first angles of incidence (1) relative to a normal to the luminescent body (200); andin an operational mode of the light generating system (1000) a first intensity of the first device light (111) of the k1 first subsets (1115) is dependent upon the first angles of incidence (1).
Phosphor, light emitting device, light source for sensing system, and illumination system for sensing system
Provided is a phosphor represented by general formula (1) below,
(Gd.sub.1-x-y,Ln.sub.y,M.sup.II.sub.x).sub.3M.sup.III.sub.2(Ga.sub.1-z,M.sup.IV.sub.z).sub.3O.sub.12:Cr.sup.3+(1) where, in the formula, Ln is one or more elements selected from La, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Yb, and Lu, M.sup.II is a divalent element, M.sup.III is a trivalent element, M.sup.IV is a tetravalent element, and x, y, and z satisfy 0<x<0.5, 0y<0.5, and 0<z<0.5.
Artificial sunlight lighting luminaires for indoor environments
A lighting system and luminaire replicates attributes of natural sunlight and the sky. An array of light emitters capable of emitting light closely mimicking natural sunlight. This emitted light features an adjustable correlated color temperature (CCT) that spans from 1900 K to 6500 K, faithfully reproducing the Sun's appearance across different times of the day. To ensure precision in spectral matching, the system operates within a defined wavelength range of 400 nm to 1400 nm. At least one light emitter with a wavelength within the range of 760 nm to 1400 nm is incorporated to guarantee accurate representation. A luminaire equipped with a panel interacts with the multitude of light emitters, proficiently emitting color-tunable light and simulating diverse sky scenes. To facilitate control and customization, a dedicated control system is seamlessly integrated into the luminaire, enabling precise adjustment of the correlated color temperature and spectral power distribution.
Flameless LED candle with simulated flame and wick
A flameless LED candle includes a shell. The shell includes: a battery box including a battery; a candle flame, including a LED light therein; and a switch device. The LED light includes a first pin and a second pin, the first pin and the second pin are provided with a black wick sleeve, a connecting component is disposed under the LED light, the first pin is connected to the battery through the connecting component, and the second pin is connected to the switch device through the connecting component. The flameless LED candle is highly practical with a simple structure, convenient to assemble, with strong stability in use, and safer and more reliable.