Abstract: A method and apparatus to manipulate a perceived target material color by varying compositions of illumination with static perceived chromaticity is disclosed. An illumination source is configured to emit light at a first set of wavelengths with a first set of amplitudes to illuminate the target material. An observer perceives the emitted light to be at a predetermined chromaticity, and perceives light reflected from the illuminated target material to be at a first chromaticity. A control device switches the illumination source to emit light at a second plurality of wavelengths at a second plurality of amplitudes, which is perceived to the observer to be of the same predetermined chromaticity as before, while the light reflected from the illuminated target material is perceived to be of a different chromaticity.

Abstract: A lamp includes a lamp body; and an illumination assembly including a lamp shade assembly including a shade and a seat; and a lamp board. The seat is threadedly secured to the lamp body. The lamp board is secured to a lower end of the seat and laterally extends out of the seat. The lamp board serves as a bottom of the seat. The lamp board includes two first electrodes fastened on a bottom and a plurality of second electrodes adjacent to an edge. The first and second electrodes are electrically connected to positive and negative terminals of a control circuit of the lamp board respectively. The first and second electrodes are positive and negative terminals of a light source respectively. A clockwise rotation of the illumination assembly threadedly secures to the lamp body and turns on the light source.

Abstract: The present disclosure is directed to systems and methods for providing an electrically operated fireplace that includes a one or more display panels, one or more reflective surfaces inclined at an angle with respect to the one or more display panels to reflect the video images of a flame displayed by the one or more display panels. One or more filters or privacy screens are disposed proximate the one or more display panels. Beneficially, the electrically operated fireplaces disclosed herein do not require the use of moving parts, such as a rotating mirror, to provide the images of the flames. Further, since video images are used to provide the flame effect, the flame effect may be varied simply by loading a new video image into the memory portion of the control circuitry used to provide the flame display.

Abstract: In one embodiment, the disclosure provides an interior luminaire system for emulating natural daylight. The system may include an artificial sunlight system and an artificial skylight system. The artificial sunlight system may include one or more first light sources and one or more first movable lenses paired with the first light sources, respectively. Each first light source may be configured to direct light only at the respective paired lens. Each first light source-lens pair may be operable to generate a set of substantially parallel rays of light. The artificial sunlight system may be operable to generate a movable substantially collimated beam of light comprising the sets of substantially parallel rays of light. The artificial skylight system may include one or more second light sources. Each second light source may be operable to generate omnidirectional rays of light. The artificial skylight system may be operable to generate diffuse illumination.

Abstract: A microwave oven including a cooking cavity that is enveloped by a cooking cavity wall; a cooking appliance light; an opening in the cooking cavity wall which supports the cooking appliance light; a shielding sleeve arranged in the opening and configured to prevent an exit of microwaves through the opening out of the cooking cavity, wherein the cooking appliance light includes a LED illuminant and a light conductor rod which conducts light emitted by the LED illuminant into the cooking cavity, wherein the cooking appliance light includes a mounting plate that includes a cut out in which the light conductor rod of the cooking appliance light is supported, wherein the mounting plate supports the shielding sleeve that envelops the light conductor rod, and wherein the mounting plate is arranged at the cooking cavity wall and covers the opening.

Abstract: The present disclosure is directed to examples of an apparatus. In one embodiment, the apparatus includes a light entry segment that receives light emitted from a light emitting diode (LED), a total internal reflection (TIR) segment to reflect the light towards an optical axis of the LED, and a light redirection segment comprising a plurality of light redirecting segments to redirect the light emitted from the light emitting diode and the light reflected by the TIR segment at an angle greater than 45 degrees relative to an optical axis of the LED.

Abstract: A light emitting device comprises a light emitting element having a light emission peak wavelength in a range of 400 nm or more and 490 nm or less and a first fluorescent material having a light emission peak wavelength in a range of 570 nm or more and 680 nm or less, and emits light having a correlated color temperature being 1,950 K or less, an average color rendering index Ra being 51 or more, a full width at half maximum of a light emission peak having a maximum light emission intensity in a light emission spectrum of the light emitting device being 110 nm or less, and a first glare index Ls1/L that is a ratio of a first effective radiance Ls1 to a luminance L being 0.493 or less, wherein Ls1 and L are as defined in the disclosure.

Abstract: Lighting devices having optical waveguides for controlled light distribution are provided. A lighting device includes a housing, a light emitter disposed in the housing, and a waveguide at least partially disposed in an opening of the housing. The waveguide includes a light input surface defining coupling features, wherein the light emitter is disposed adjacent the light input surface and emits light into the coupling features. The waveguide further includes a light transmission portion disposed between the light input surface and a light extraction portion, wherein light from the light emitter received at the light input surface propagates through the light transmission portion toward the light extraction portion. The waveguide further includes the light extraction portion, which comprises at least one light redirection feature and at least one light extraction feature that cooperate to generate a controlled light pattern exiting the lighting device.

Abstract: Provided is a lighting device capable of manipulating a wider range of parameters to reproduce various light sources. A light source unit 10 includes, for example, a liquid crystal panel and a backlight, and each pixel is a light source capable of adjusting innumerable hues and intensities capable of adjusting hue and intensity. A lenticular lens 20 includes an array of a plurality of lenticules, and is arranged such that a plurality of light sources capable of adjusting hue and intensity is associated with each lenticule. In addition, on the outer periphery of the cylindrical portion of each lenticule, a partition is formed to block emission light from the pixel below the adjacent lenticule, thereby preventing repetition.

Abstract: A recessed light and a lampshade thereof are provided. The lampshade includes: a shade body, including a cover member and a top plate covered on the cover member, the top plate including a notch, the notch being open at a periphery of the top plate, the shade body further including a slot, the slot being in communication with the notch, the slot having a width larger than a width of the notch, the diametric dimension of the flange being larger than the width of the notch; wherein the slot is configured to receive the flange, the notch is configured to receive the body portion, and the top plate is configured to be engaged between the substrate and the flange.

Abstract: A switchable directional backlight for a privacy display comprises a waveguide with first and second opposing input ends and a turning film arranged to collect light output from the waveguide for input into a spatial light modulator. The waveguide has an array of light deflecting features arranged on one guiding surface and an opposing planar surface. Light deflecting features are arranged such that light input from the first input end is output with a narrow angular range and light input from the second input end is output with a wide angular range.

Abstract: The present invention relates to the field of lamp technologies, and in particular to an LED lamp with improved lamp holder structure. The LED lamp includes an LED lamp holder, a stem assembly connected to the LED lamp holder and an outer bulb shell. The LED lamp holder is connected to a rubber base. A ring-shaped connecting part A is set on the rubber base. A ring-shaped connecting part B is set on the outer bulb shell. The ring-shaped connecting part A is fixedly connected to the ring-shaped connecting part B. The LED lamp features the following advantages: 1, an improved lamp holder structure adopts a small lamp holder to connect a large bulb shell, so that manufacturing cost of products is effectively reduced; 2, the rubber base is set on the lamp holder and can be directly connected to the outer bulb shell, so that production efficiency is improved.

Abstract: A lighting module includes a heat sink with a sidewall and a partition defining two cavities, a LED light source disposed in one cavity to emit light, a driver module disposed in the other cavity with driver circuitry to provide electrical power to the light source, and an optical assembly to provide a desired emission profile. The optical assembly is field-changeable and includes a cover lens with snap-fit connectors to facilitate removal and replacement. The optical assembly further includes either a reflector coupled to the cover lens or an optical lens coupled to the heat sink via an optic holder. In some examples, the driver circuitry facilitates dimming of the light source. The heat sink also dissipates heat generated by the light source and the driver circuitry to maintain desired operating temperatures and thereby facilitate increased light output.

Abstract: A covering device for arrangement on at least one outer or one inner region of a motor vehicle includes at least one form element which is produced and/or can be produced by means of injection moulding and has an inner side oriented towards the motor vehicle and an outer side oriented away from the motor vehicle, one or more lighting devices for emitting light. The covering device also includes at least one covering element which, for covering the form element at least in regions, is arranged at least in regions on the outer side of the form element, at least part of the light emitted by the lighting device being able to pass through the form element and/or the covering element.

Abstract: A mirror assembly can include a housing, a mirror, and a light source. In certain embodiments, the mirror includes a light pipe configured to emit a substantially constant amount of light along a periphery of the mirror. In some embodiments, the mirror assembly includes a sensor assembly. The sensor assembly can be configured to adjust the amount of emitted light based on the position of a user in relation to the mirror. Certain embodiments of the mirror include an algorithm to adjust light based on the position of a user relative to the mirror, the level of ambient light, and/or the activation of different light modes.

Abstract: A lighting apparatus includes a dome housing, a first rotation shaft, a light body, a second rotation shaft and a rotation bracket. The dome housing includes a rim part and a container part. The container part defines a semi-sphere space. The rim part conceals an installation cavity for installing the lighting apparatus. The light body includes a light source. The light body is attached to the container part with the first rotation shaft. The light body is rotatable with respect to the container part along the first rotation shaft for a first rotation direction. The rotation shaft is disposed to the container part with a tilt offset from a top center of the container part. The rotation bracket has a fixing bracket and a central part.

Abstract: A vehicle includes a light assembly and an electric control module. The light assembly is assembled to an underbody of the vehicle. The light assembly has a light bar and an image projector. The light bar has a plurality of first light sources. The image projector has a housing that is fitted to a longitudinal end of the light bar. The housing has a circuit board and an emitting portion that houses a second light source. The circuit board is electrically connected to the second light source to regulate electric current to the light source. The electric control module is electrically connected to the light bar and the circuit board to provide electrical power to both the light bar and the image projector.

Abstract: Lighting devices for providing a secondary light with high luminance are provided. The lighting devices include a light conversion element and a light emitting unit with a light source that emits a primary light. The light conversion element has a front side illuminated with the primary light and, in response to the primary light, to emit a secondary light from the front side. The secondary light has a larger wavelength than the primary light.

Abstract: An accessory lighting assembly for vehicles. The accessory lighting assembly includes at least one attachment portion for selectively attaching the assembly to the vehicle wherever lighting is desired. The accessory lighting assembly includes at least one integrated lighting portion for selectively providing lighting to the interior of the vehicle. The accessory lighting assembly incorporates a grab handle for attaching to the at least one attachment portion for allowing a vehicle occupant a grip/handle for grabbing onto inside of the vehicle when desired.

Abstract: A wall wash recessed light fixture has a light engine assembly has an aperture, an LED module operable to emit light through the aperture, a lens disposed between the LED module and the aperture, and a reflector disposed between the LED module and the lens. The LED module has an optical axis passing through the aperture and substantially parallel to a longitudinal axis (Z). The lens has a first side forming a plano-convex lens with a convex surface facing the LED module and has a second side with a Fresnel lens surface facing the aperture, and the lens is aligned at an oblique angle ?1 relative to the optical axis of the LED module. A diffuser is disposed between the lens and the aperture. The plano-convex lens has a principal axis aligned at the oblique angle ?1 relative to the optical axis of the LED module.