Abstract: A vehicle headlight (1) includes a first lamp unit (10) that includes a light distribution pattern forming unit (12) which forms a predetermined light distribution pattern (P1) according to the light amount of the light emitted from a plurality of light emitting elements (13), and a second lamp unit (20), in which a light distribution pattern (PL) of a low beam is formed by light emitted from the first lamp unit (10) and light emitted from the second lamp unit (20), and in the light distribution pattern (PL) of the low beam, the elbow point (EP) is included in a predetermined region (CA) formed by light including the light from the first lamp unit (10), and a first side region (SA1) and a second side region (SA2) sandwiching the predetermined region (CA) are formed by the light emitted from the second lamp unit (20).

Abstract: A steering device includes a rotary part rotatably attached to a mobile body, and a grip part connected to the rotary part, wherein the rotary part includes a light irradiation part configured to emit light toward at least a portion of the grip part, the light irradiation part includes a light emitting element configured to emit light at an angle range that is determined in advance, and a lens configured to narrow the angle range of the light emitted by the light emitting element, and when an extension direction of the at least the portion of the grip part to which the light is emitted is assumed as a first direction, a direction perpendicular to a direction of an optical axis of the light emitted by the light irradiation part and to the first direction is assumed as a second direction, a plane including the optical axis and the first direction is assumed as a first plane, and a plane including the optical axis and the second direction is assumed as a second plane, the lens narrows the angle range of the ligh

Abstract: A vehicular lamp system includes a light distribution control device that controls a first lamp unit and a second lamp unit. The light distribution control device forms a combined high-illuminance pattern in a region where no target is present. Meanwhile, the light distribution control device forms a combined shading pattern in regard to a forward vehicle. Furthermore, in regard to a specific target, the light distribution control device controls the first lamp unit so as to form an illuminance fixed pattern, controls the second lamp unit so as to form an illuminance fixed pattern or to form an illuminance adjusted pattern, and forms a combined mid-illuminance pattern by superposing the light distribution patterns that the first lamp unit and the second lamp unit form.

Abstract: A microelectromechanical systems (MEMS) device and a light assembly that includes the MEMS device. The MEMS device includes a first arm, a second arm, at least one permanent magnet, a fan structure, and a coil. The first arm has a first arm first end and a first arm second end. The second arm is coupled to, and is spaced apart from, the first arm and has a second arm first end and a second arm second end. The at least one permanent magnet is coupled to the first arm second end. The fan structure is coupled to, and extends in cantilever manner from, the second arm second end and includes a connection end and a free end. The coil is disposed on or within the fan structure. When the coil is electrically energized, a Lorentz force is generated that causes the fan structure to vibrate relative to the permanent magnet.

Abstract: Lighting device for a motor vehicle with a first plurality of selectively activatable light sources and a second plurality of light sources. The first and second pluralities of light sources being arranged on a common substrate and each light source of the first plurality being positioned at a distance from the other light sources of the first plurality of less than 1 mm. The lighting device includes an optical element having a first region positioned facing the first plurality of light sources and a second region positioned facing the second plurality of light sources, with the second region being provided with optical patterns.

Abstract: An adjustable utility lighting system that includes multiple flexible supports for different lights to effectively illuminate multiple areas of the engine compartment simultaneously. The adjustable utility lighting system includes a base member that includes a plurality of adjustable support legs for securing the base member in position when the ferromagnetic surface is not available for the base member to mount to. There are also gooseneck supports that are permanently attached to the base member by a coupling that couples a first end of each of the gooseneck supports to the top surface of the base member. There is also a rechargeable battery that is a 18650 rechargeable battery that is easy to replace.

Abstract: An illumination device for fluorescence image guided surgery and a surgical instrument. The illumination device includes a glass rod, a mixing rod and a plurality of optical fibers surrounding a circumferential surface of the glass rod. A first mixing rod end face of the mixing rod abuts a second rod end face of the glass rod and end faces of the optical fibers, so that white light and excitation light are guided and homogenized in the mixing rod.

Abstract: A site light including a body, a power system with an AC input and battery terminal, and a telescopic arm assembly supported by the body, where the telescopic arm includes a first end fixed relative to the body and a second end opposite and movable with respect to the first end. The site light also includes a light assembly in operable communication with the power system and coupled to and movable together with the second end of the telescopic arm, where the light assembly is operable in a first light mode in which the light assembly outputs approximately 13,000 lumens of light, and a second light mode in which the light assembly outputs approximately 20,000 lumens of light.

Abstract: The present invention discloses a night light, in relation to the field of pest repellent night lights, comprising a mosquito repellent lamp housing and a PCB (printed circuit board) built in the mosquito repellent lamp housing; wherein one end face of the PCB is further electrically mounted with an electrical plug, and the end of the electrical plug protrudes out of the mosquito repellent lamp housing; one end of the PCB away from the electrical plug is further electrically mounted with a tact switch; an end face of the PCB is further electrically mounted with a miniature ultrasonic module; a surface of the PCB away from the electrical plug is fixedly mounted with several LED lamp beads.

Abstract: An air duct system for an aircraft provides passengers with light, data, electrical power, and sanitized air. The air duct system includes an air duct having a main body and a visible light source configured to generate visible light, where the visible light is modulated by one or more controllers based on a visible light communication protocol. The air duct system simultaneously achieves four functions for improving passengers' flying experience. First, a portion of the visible light transmitted by the air duct illuminates the interior cabin of the aircraft. Second, by modulating the visible light, the air duct system transmits and distributes data that is received by the passengers' electronic devices. Third, a portion of the visible light is converted into electrical power at each passenger seat to power passengers' electronic devices. Fourth, in embodiments, the visible light is emitted at a germicidal wavelength spectrum to create sanitized air.

Abstract: The present disclosure discloses a fresco lamp capable of being freely plugged with light-emitting diodes (LEDs) and electrified, and aims to provide a fresco lamp with freely pluggable LEDs. The key point of the technical solution is as follows. After the LEDs are plugged into the fresco, the LEDs are electrically connected to an electrification unit below the fresco to form a closed circuit, and the LEDs are lightened. Each of the LEDs can be plugged to any position on the fresco and independently connected to the electrification unit, so that the LEDs are convenient to mount. The LEDs are connected in parallel with each other, so that the fresco lamp is convenient to overhaul. The fresco lamp is applicable to the field of lamps and lighting.

Abstract: There is provided a light source device, a headlight, a display apparatus, and an illumination apparatus having excellent heat dissipation. The light source device includes a substrate, a phosphor, a light emitting element, and a wavelength-selective reflecting member. The phosphor is disposed in contact with the substrate. The light emitting element emits excitation light for exciting the phosphor. The wavelength-selective reflecting member partially reflects the excitation light emitted from the light emitting element to be guided to the phosphor and transmits fluorescence emitted from the phosphor by excitation caused by incidence of the excitation light and the excitation light reflected by the phosphor.

Abstract: A runway-embedded flash lighting device includes, a body configured for embedding in a runway, a ceiling member with a flash emission window, a bottom cover member, a light guide member disposed in the flash emission window, and two or more flash emission windows. The light guide member is disposed in each of the flash emission windows and an inner surface of the ceiling member is provided with a site to be disposed with a LED flash light source below the flash emission window. The LED flash light source includes, an LED module, a frame-shaped attaching plate; and a lens member. The lens member is attached to a hollow portion in a frame of the frame-shaped attaching plate, and is configured to allow an emission surface of the flash emitted from the LED module to have a uniform illuminance distribution.

Abstract: A door for an appliance includes a control panel mounted on the door and defining an illumination direction. The control panel includes a printed circuit board defining a top surface, a light source mounted to the top surface of the printed circuit board, a control cover mounted to the top surface of the printed circuit board over the light source and defining a light directing channel extending from a bottom surface of the control cover to a top surface of the control cover, and wherein the control cover further defines a reflective surface for redirecting the light generated by the light source toward the top surface of the control cover, and an overlay panel mounted on the top surface of the control cover, the overlay panel comprising one or more diffused indicator zones.

Abstract: A light emitting diode, LED, filament arrangement (100) comprising at least one LED filament (120) comprising a plurality of light emitting diodes, LEDs, (140). The LED filament arrangement further comprises a plurality of first sections (180) and a plurality of second sections (200), wherein the plurality of first sections (180) is configured to emit light of a first colour temperature, CT1, and with a first intensity, I1, during operation, and the plurality of second sections (200) is configured to emit light of a second colour temperature, CT2, and with a second intensity, 12, during operation, wherein at least one of CT1?CT2 and I1?I2 is fulfilled, and wherein at least two second sections of the plurality of second sections are adjacently arranged and arranged at least partially parallel to each other.

Abstract: An illumination apparatus for a motor vehicle includes a lighting device having one or more light sources, a reflector arrangement having one or more scatter reflectors, and one or more transparent bodies each having a surface made of a plurality of flat facets. The illumination apparatus is designed such that light generated by the light source(s) of the lighting device is scattered at the scatter reflector(s) of the reflector arrangement, as a result of which scattered light is created, which is refracted at least partially on facets of the transparent body or bodies and then exits the illumination apparatus in order to generate a light distribution.

Abstract: A display device according to the disclosure comprises: a liquid crystal panel having a front surface configured to display an image; and a light source plate disposed at the rear of the liquid crystal panel configured to provide light to the liquid crystal panel, wherein the light source plate comprises: a printed circuit board having a mounting surface; an LED chip directly mounted on the mounting surface as a chip on board (COB); a transparent resin disposed on the LED chip to encompass the LED chip; a light conversion layer configured to convert the wavelength of light emitted from the LED chip and encompassing the outer peripheral surface of the transparent resin; and a barrier layer covering the light conversion layer from the outside.

Abstract: A display device according to the present invention comprises: a display panel; a middle cabinet for mounting the display panel; and a foam pad which is interposed between the display panel and the middle cabinet, and has a light absorbing material formed in either an area having a contact surface with the display panel or a contact surface with the middle cabinet. The display device of the present invention may be connected to an artificial intelligence module, a robot, an augmented reality (AR) device, a virtual reality (VR) device, a device related to a 5G service, etc.

Abstract: When at least one scope of 0.5 mm square or more of a surface of an optical sheet having the unevenness is measured, height data of each of a plurality of pixels of an image obtained is determined, an approximated surface is calculated, from the height data of each pixel, for a minute region of 100 ?m2 or less, and a calculation is repeatedly performed to obtain an inclination angle between: (i) a flat surface appearing after the unevenness is imaginarily removed and: (ii) the approximated surface, while two-dimensionally shifting the minute region at equal intervals along the flat surface by using at least one of the pixels as a unit to obtain a plurality of minute regions, a total area of some of the minute regions each having the inclination angle of 30° or more, accounts for 30% or more of a total area of all the minute regions.

Abstract: A backlight module (0), a display module (1) and control method thereof, and a storage medium, in the field of display technology. The backlight module (0) includes m backlight components (01), wherein m is larger than or equal to 2 and is an integer, the m backlight components (01) are capable of emitting light alternately, and the light rays emitted by any two of the m backlight components (01) do not overlap. The present disclosure solves the problem that the backlight module (0) has lower working stability. The working stability of the backlight module (0) is favorably improved. The backlight module (0) is used for the display module (1).