Abstract: An optical filter may include an interference filter that passes at least two channels associated with at least two transmission peaks; and a plurality of blockers, wherein each blocker, of the plurality of blockers, passes a respective channel associated with a respective transmission peak of the at least two transmission peaks and blocks one or more channels other than the respective channel associated with the respective transmission peak.

Abstract: A system for a replenishment door of a vehicle includes a body having a port and defining a latch aperture, a door pivotably attached to the body with a hinge, a system controller, and a latch assembly. The door is pivotable between a closed position and an open position. The latch assembly is configured for securing the door to the housing in the closed position. Further, the latch assembly includes a housing and a light source disposed within the housing, the light source being configured to project light through the housing, and the system controller being configured to control an intensity of the light source.

Abstract: A light-emitting device can be folded in such a manner that a flexible light-emitting panel is supported by a plurality of housings which are provided spaced from each other and the light-emitting panel is bent so that surfaces of adjacent housings are in contact with each other. Furthermore, in the light-emitting device, in which part or the whole of the housings have magnetism, the two adjacent housings can be fixed to each other by a magnetic force when the light-emitting device is used in a folded state.

Abstract: Described are bed systems having a headboard, backward facing lights positioned at a back side of the headboard, and a controller operably connected to the backward facing lights that can drive the backward facing lights to provide circadian lighting. The backward facing lights can be recessed into the back side of the headboard. The backward facing lights can provide ambient lighting when controlled by the controller. The controller can determine when a user of the bed system is waking up and control the backward facing lights to provide circadian lighting that corresponds to a wakeup routine for the user. The controller can also determine when the user is going to sleep and control the backward facing lights to provide circadian lighting that corresponds to a sleep routine for the user. The backward facing lights can be LED strips positioned inside an extruded channel in the back side of the headboard.

Abstract: A component (6) for a passenger cabin (2) of a passenger aircraft (4) contains a base body (8) with a surface (10), and a layer structure (12), which is applied to the surface (10) and contains at least two layers in the form of at least one active layer (14) and an adhesive layer (16) arranged between the active layer (14) and the surface (10), wherein the active layer (14) contains at least one surface section (18a-c) which is formed from an electrically controllable colour-changing film (20), wherein at least a part of the colour-changing film (20) forms a visible surface (22) for the intended purpose in the passenger cabin (2).

Abstract: An active situational sensor uses a Micro-Electro-Mechanical System (MEMS) Micro-Mirror Array (MMA) to steer an optical beam to different off-axis sections of a parabolic mirror, an “OAP”, to re-direct and focus optical radiation into a spot-beam onto a conical shape of a fixed mirror, which redirects the spot-beam to scan a FOR. The sensor may rapidly scan a 360° horizontal FOR with a specified vertical FOR or any portion thereof, move discretely between multiple specific objects per frame, vary the dwell time on an object or compensate for other external factors to tailor the scan to a particular application or changing conditions in real-time. The MEMS MMA may be configurable to shape the spot-beam to adjust size, focus or intensity profile or to produce deviations in the wavefront of the spot-beam to compensate for path length differences or atmospheric distortion. The MEMS MMA being configurable to produce and independently steer a plurality of spot-beams of the same or different wavelengths.

Abstract: Exemplary embodiments of a flashlight having an electronic insect control system are provided. In some exemplary embodiments, a flashlight apparatus is provided, having a head portion comprising a first light source, a tail portion, and a body portion between the head portion and tail portion, the body portion comprising an electronic insect control system, the electronic insect control system comprising a frame portion, a second light source provided within the frame portion, and an electrical grid provided within the frame portion and surrounding the second light source, wherein the electrical grid is configured to generate a voltage.

Abstract: There is disclosed a forward cooling headlight comprising a body, a lens coupled to the body and a heatsink coupled to the body. There is also a heatpipe and at least one light. The light is coupled to the heatsink, wherein the heatpipe is coupled to the heatsink at a first end, and to the body at a second end. The heatsink draws heat away from the light, via the heatpipe and towards the body. There can be at least one synthetic jet coupled to the heatpipe to aid in cooling the light. In addition, in at least one embodiment, there can be at least two lights with at least two different drivers with a first driver driving a first light and a second driver driving a second light wherein when each of the lights is lit it is capable of generating a different focal point.

Abstract: A lighting assembly includes a chassis and an interface. The interface is configured to allow fluid to pass through the chassis to a light emitting diode (LED) assembly when the LED assembly is installed at the interface. Additionally, the interface is configured to prevent the fluid from exiting the chassis when the LED assembly is not installed at the interface.

Abstract: Embodiments herein relate to high output LED light sources with heat sinks. In an embodiment, a high-output LED light source is included having at least one LED; a circuit board, wherein the at least one LED is mounted on a first side of the circuit board; and a coil shaped heat sink, wherein the coil shaped heat sink is thermally bonded to a second side of the circuit board. In an embodiment, a high-output LED light source is included having at least one LED, a circuit board, wherein the at least one LED is mounted on a first side of the circuit board and a continuous flat wire heat sink. The continuous flat wire heat sink can be soldered to a second side of the circuit board and the continuous flat wire heat sink can be oriented perpendicular to the circuit board. Other embodiments are also included herein.

Abstract: A beam expander includes first and second optical elements spaced apart from each other, and a light diffuser having an angular aperture that diffuses incident light through the angular aperture, wherein the first optical element in-couples the diffused light such that light exiting the first optical element has a first cross-sectional shape and light having a second cross-sectional shape different from the first cross-sectional shape is incident on the second optical element, and the second optical element out-couples light incident from the first optical element.

Abstract: A field emission cathode device and formation method involves a rotating field emission cathode including a field emission material deposited on a surface thereof, the field emission cathode rotating about an axis and being electrically connected to ground, and a planar gate electrode extending parallel to the surface of the rotating field emission cathode and defining a gap therebetween. A gate voltage source is electrically connected to the gate electrode and is arranged to interact therewith to generate an electric field, with the electric field inducing a portion of the surface of the rotating field emission cathode adjacent to the gate electrode to emit electrons from the field emission material toward and through the gate electrode.

Abstract: A laser lamp module and a laser lamp system using the same, and more particularly, a laser lamp module capable of implementing a highlight zone and a shadow zone by selectively positioning a plurality of beam splitters in a path to which a beam is emitted from a laser light source to adjust outputs of beams reflected from the beam splitters, and a laser lamp system using the same.

Abstract: Provided in the present invention is an explosion-proof lighting device, comprising: a device body for accommodating the explosion-proof lighting device, the device body comprising a mounting portion located in the middle portion thereof and a first heat dissipation portion and a second heat dissipation portion that extend from the bottom of the mounting portion to two sides; a plurality of light emitting diodes (LEDs) for emitting light to illuminate; an electrical drive module for powering the light emitting diodes; and a seal cover detachably connected to the device body from the bottom thereof.

Abstract: A light bulb (10) comprising a feedthrough body (26) for accommodating electrical conductors (24) through a glass stem (23) of the light bulb (10) is disclosed. The light bulb (10) comprises a light engine (21) arranged within a sealed light transmissive surface structure (22), a feedthrough body (26) sealed in and extending through the glass stem (23) supporting the light engine (21), a plurality of conductive wires (24) mutually electrically isolated from each other and extending through and gastightly sealed in the feedthrough body (26), the conductive wires (24) connecting the light engine (21) to at least one power and signal source.

Abstract: A spark plug that can reduce variation in a discharge point. The spark plug includes: a center electrode; a metal shell insulating and holding the center electrode; and a ground electrode including a base material having one end portion connected to the metal shell, and a tip connected to another end portion of the base material. The tip has a discharge surface opposed to the center electrode with a spark gap therebetween. The discharge surface has a quadrangular shape and is chamfered at four sides thereof. Only a first side which is one of the four sides is provided with a C chamfer.

Abstract: A luminaire with a tool-less assembly feature that enhances ease of installation and serviceability in the field. The luminaire's housing defines a compartment accessible via a window adjacent a pair of opposed shoulders. The luminaire further includes a lighting module dimensioned to be received and retained in the window in an interference fit with the shoulders. The lighting module may include an LED module/light guide plate and/or an LED refractor assembly/LED gear tray. A resilient member is supported on the housing in position to abut the lighting module and deflect during insertion of the lighting module through the window, and to at least partially resile to maintain the lighting module against the shoulders in an operative position on the housing. Further, the resilient member is positioned to deflect during removal and to resile to tilt or otherwise assist in ejecting the lighting module from the housing during tool-less disassembly.

Abstract: A spark plug which includes an insulator having an axial hole extending along an axial line, a metallic shell disposed around the insulator, and a center electrode disposed in the axial hole to be located on the forward end side of the axial line is provided. The insulator has a step portion provided on the outer circumferential surface thereof and facing toward the forward end side. The metallic shell has a receiving surface provided on the inner circumferential surface thereof and facing toward the rear end side and with which the step portion is engaged via a packing. A portion of the step portion on the outer circumferential side is a first curved surface being convex toward the forward end side, and a portion of the step portion on the inner circumferential side of the first curved surface is a second curved surface being convex toward the rear end side.

Abstract: The present disclosure relates to a lamp for a vehicle, and the lamp for the vehicle includes a light source device including a plurality of light sources, each of which emits light, a lens provided to emit light emitted from the light source device forward, and a reflector array including a plurality of reflectors provided to respectively correspond to the plurality of light sources so as to form a plurality of light distribution patterns by reflecting light irradiated from the plurality of light sources. The plurality of light distribution patterns are overlapped to form a low beam pattern.

Abstract: An optical system for use in a headlamp of a motor vehicle includes condenser optics formed by a condenser lens matrix and being provided to focus incoming light beams. It further includes at least one reflective shield being provided to reflect at least a subset of the focused light beams and to create a cut-off line of outgoing light beams. It further includes imaging optics formed by an imaging lens matrix, which is provided to project the focused light beams and the reflected light beams in front of the headlamp, such that the reflected light beams contribute to an intensity hotspot on one side of the cut-off line.