Abstract: Disclosed is a stage system comprising at least one flexure frame having a fixed center and movable distal ends configured to displace a tabletop operatively connected thereto along at least one axis of movement and at least two actuators comprising a first actuator and a second actuator positioned within the at least one flexure frame. The first actuator is positioned within the at least one flexure frame at a first angle of deflection from at least one beam of the at least one flexure frame and the second actuator is positioned within the at least one flexure frame at a second angle of deflection from the at least one beam. The at least two actuators are configured to produce a compensating displacement to offset yaw error as the at least two actuators expand from a contracted first position to an expanded second position.

Abstract: An automatic pitch adjustment machine has a base board, a first slide rail set, a transfer set, a second slide rail set, a cylinder adapter plate, and a material carrier set. The the first slide rail set is mounted on the top surface of the base board. The transfer set has multiple transfer blocks, and each one of the transfer blocks is fixed to a respective lower sliding block of the second slide rail set. The second slide rail set has multiple short rails and multiple upper sliding blocks. The cylinder adapter plate has a driving plate and multiple driving pillars. The material carrier set has multiple material fixing boards, and the multiple material fixing boards are spaced at intervals.

Abstract: Disclosed is a key supporting structure. The key supporting structure includes a scissor-type component having a first supporting element and a second supporting element that are pivotally connected to each other. The first supporting element has a first frame, and two end of the first frame have at least one first pivot and at least one second pivot respectively. The second supporting element has a second frame, and two end of the second frame have at least one third pivot and at least one fourth pivot respectively. The first frame and the second frame are made from a powder sintered material. The first pivot, the second pivot, the third pivot, and the fourth pivot are formed on the first frame and the second frame by plastic injection molding method.

Abstract: A rotation range-limiting device 10 is provided with a rotation body 20 provided with a first surface and a carrying surface, and a stationary body 30 supporting the rotation body such that the rotation body is rotatable about a center point thereof. The stationary body has a second surface opposed to the first surface. One 212 of the first surface and the second surface is provided with an arc-shaped slide-guiding portion 24 whose center corresponds to the center point of the rotation body, and a slider 26 movable along the slide-guiding portion. The other 301 of the first surface and the second surface is provided with a locking portion 36, which projects toward the slide-guiding portion at a location on a circle having the same diameter as the slide-guiding portion such that it can abut against the slider.

Abstract: Flow sensors for, and a method of monitoring, a condensate drain. The method includes a) providing a flow sensor for detecting flow properties in a pipe and/or fitting carrying a medium, b) detecting a vibration behavior by means of a vibration converter at a measurement location provided on the flow sensor, and c) electronically evaluating the vibration behavior of a vibration body, wherein at the measurement location vibrations of a first region of the vibration body and a second region of the vibration body are recorded. The first region of the vibration body is provided at least partially in or adjacent to the flow of the medium, and the second region of the vibration body is outside the flow.

Abstract: An adaptor for coupling an associated quick connect fitting on an associated tank to an associated filling gun includes a connector body selectively connectable to the associated filling gun. A hand wheel is mounted to the connector body. A washer is mounted to the connector body. A locking member is received within an aperture of the connector body and selectively received in a groove of the associated quick connect fitting. The locking member allows for engagement of the connector body with the associated filling gun when the locking member is received in the groove of the associated quick connect fitting. A biasing member is disposed between a portion of the connector body and a portion of the washer.

Abstract: A system for filling an LPG vehicle with LPG using an auxiliary bombe is provided. The system may be configured for easily filling a main bombe with LPG even in the hot season (summertime) or the like during which the outside temperature rapidly rises, by using an auxiliary bombe in addition to using the main bombe. The system may also be capable of always smoothly refilling the main bombe with LPG by moving a portion of the LPG in the main bombe to the auxiliary bombe, when the pressure in the main bombe is higher than the LPG filling pressure of a filling gun in the hot season during which the outside temperature rapidly rises, so that the pressure in the main bombe becomes lower than the filling pressure.

Abstract: A method for managing boil-off from an LNG tank located on board of an aircraft. The method, including removing the boil-off from the aircraft and disposing of the removed boil-off from the aircraft and an equipment assembly for use with an aircraft having an on-board LNG tank with a vent system having an outlet coupling, including a removal system configured to remove boil-off from the aircraft and a disposal system configured to dispose of the boil-off.

Abstract: A medical device includes an interface unit body, which is configured to hold a portion of a flexible infusion tube. A hinge insert is fixed to the interface unit body and is configured to engage a hinge receptacle, which defines a hinge axis, on an infusion pump. A catch insert is fixed to the interface unit body and is configured to lock onto a catch receptacle on the infusion pump upon rotation of the mechanical interface unit about the hinge axis while the hinge insert engages the hinge receptacle, so as to bring the tube into engagement with a peristaltic mechanism of the infusion pump in order to enable the peristaltic mechanism to propel a fluid through the tube.

Abstract: A lighting device includes an elongate housing with a light exit window, a carrier assembly disposed within the housing and having a plurality of SSL elements, a reflector having a plurality of apertures and positioned between the housing and the carrier assembly, and an adhesive extending through the apertures and fixing the carrier assembly and the reflector to the housing. A method of assembling the lighting device and of a luminaire-including the lighting device are also disclosed.

Abstract: The present invention relates to a LED tube (1) for retrofitting in a fluorescent tube lighting fixture having a preheat phase during which the fluorescent tube lighting fixture is arranged to preheat filaments of a fluorescent tube, the LED tube (1) comprising: an array of LEDs (2), a LED driver (4) for driving the array of LEDs (2), a first pair of contact pins (8, 0) at a first end (12) of the LED tube (1) and a second pair of contact pins (14, 16) at a second end (18) of the LED tube (1) for connecting the LED tube (1) electronically and mechanically to the fluorescent tube lighting fixture, the first pair of contact pins (8, 10) being connected forming a first circuitry, the second pair of contact pins (14, 16) being connected forming a second circuitry, the LED driver (4) being connected between the first circuitry and the second circuitry, and a temperature controlled switch (20) having an open state and a closed state, and being arranged to adapt the closed state when heated, such that a current path

Abstract: A color conversion panel includes a first color conversion layer, a second color conversion layer, and a light wavelength conversion layer. The first color conversion layer includes a first semiconductor nanocrystal set for providing red light. The second color conversion layer neighbors the first color conversion layer and includes a second semiconductor nanocrystal set for providing first green light. The light wavelength conversion layer neighbors the second light conversion layer, may provide blue light, and includes a third semiconductor nanocrystal set for providing second green light.

Abstract: A light emitting device includes one or more light emitting elements, a light transmissive member, a first light reflective member and a second light reflective member. The light transmissive member is disposed on the one or more light emitting elements and having a first upper surface, a lower surface, first lateral surfaces, and second lateral surfaces each positioned on an outer side of a corresponding one of the first lateral surfaces. The first light reflective member covers the first lateral surfaces. The second light reflective member is disposed on lateral surfaces of the first light reflective member, the second lateral surfaces of the light transmissive member, and lateral surfaces of the one or more light emitting elements.

Abstract: A battery life extender for a portable lighting device employs a reconfigurable mechanism operable to selectively electrically isolate one or more batteries from a circuit having a parasitic power drain. For example, a lighting device includes a light generating element, at least one battery, a user operated switch configured to control delivery of electrical power from the at least one battery to the light generating element, and a housing assembly supporting the at least one battery and the light generating element. The user operated switch can impart a parasitic power drain. The housing assembly is reconfigurable to: (a) a first configuration in which the user operated switch is electrically connected to the at least one battery, and (b) a second configuration in which the at least one battery is electrically isolated and the at least one battery is retained by the housing assembly.

Abstract: The present invention provides a flashlight, and more particularly a flashlight with two different color lights and flicker frequencies. The flashlight comprises an anterior main body having a lamp housing, a posterior main body having a battery holder, a connecting base used to connect with the battery holder, and a starter for turning on/off the flashlight. Wherein the lamp housing is primarily configured to include a light-emitting chipset and a lens, and the battery holder is configured to accommodate a battery for supplying power. The light-emitting chipset of the present invention comprises at least two LED light-emitting chips that can generate different color lights, and a flicker frequency difference between said two different color lights is at least about 50 Hz.

Abstract: A shelf system and a label LED strip lamp includes a shelf and a label LED strip lamp. Each of at least one carrier element includes a body, and a clamping assembly. The clamping assembly includes a clamping slot and a catch plate provided on the clamping slot. The label LED strip lamp includes a snap assembly for engagement with the catch plate, and a lamp tube. The snap assembly includes a connecting edge, a set of clamping tooth disposed on one side of the connecting edge, and a wavy-shaped engaging edge spaced from the clamping tooth. The clamping tooth inserts into the clamping slot. The lamp tube includes a non-transparent edge, an upper light transmitting edge connecting the non-transparent edge with the catch plate, and a lower light transmitting edge.

Abstract: An optically transmissive light directing sheeting and a method of making the same are disclosed. The light directing sheeting includes a core sheet of an elastic material that can be laminated onto other surfaces or sandwiched between sheets of various rigid materials. The core sheet includes a plurality of deep and narrow parallel channels configured to direct light by means of a total internal reflection. The method includes a step of slitting of a soft, optically transmissive plastic sheet with a blade and forming at least one array of substantially parallel linear slits in a surface of the sheet, a step of stretching the sheet in a direction perpendicular to the linear slits, and a step of bonding the sheet to a different sheet of an optically transmissive, rigid material. Various light directing devices employing the light directing sheeting are also disclosed.

Abstract: A multiple function LED night light has at least one LED device and added function(s) such as an air-freshener adaptor device, sonic device, frequency device, sensor device, bug repeller device, second light device, timepiece, electric message device, timer device, temperature device, surge protection device, electric short circuit protection device, base device for installation on an existing lamp socket, emergency light device, or any other electric device(s) suitable for home use to keep people comfortable or safe. The LED device has a first optic means to change the narrow-viewing angle of an LED's spot-light beams into a wider-viewing angle and second optic means to help make the LED night light exhibit a smooth lighting effect. The device may be arranged to fit into an existing night light bulb socket to turn any existing bulb night light into a power saving LED night light.

Abstract: An artificial candle has a delicate glowing shroud or sock that can flutter like a candle flame, and the shroud may surround a “wick” that can be seen through the shroud to glow. Such a diaphanous shroud can be actuated by a fan, air pump, solenoid or conductor, which can be provided adjacent to the shroud or distanced from the shroud, for example in a central body of a chandelier. The wick may be lighted by a light emitting diode (LED) or other light source, and the shroud can include fluorescent material that absorbs and reradiates some of the light from the light source. The wick and the shroud can be coupled to a shaft that simulates a wax candle body. A standard threaded fitting can be provided so that the artificial candle can thread into a socket to replace a light bulb.

Abstract: Imitation candle devices and systems with enhanced features enable simulation of a realistic candle flame using multiple light sources that illuminate a surface area of an imitation flame element in a controlled manner. The disclosed imitation candle devices further allow the candle to be turned on or off by pushing down on the flame element, thus eliminating a need for additional external switches.

Abstract: The invention relates to the field of lamps, specifically an LED lamp convenient to switch a flame direction. The LED lamp comprises a substrate, a circuit board with a control circuit, a diverter switch and lamp beads; wherein the lamp beads are arranged on the substrate; wherein the control circuit comprises an effect control circuit module connected with the lamp beads and outputting signals to control the on and off and brightness of the lamp beads in a predetermined time sequence, to simulate the flame effect; the diverter switch is connected with the effect control circuit module, to output the signals of different time sequences, thus simulating the flame effects of different status. The lamp of the invention provides an extremely realistic and interesting flame effect.

Abstract: An electronic candle with electromagnetic drive unit includes a casing, a wick assembly, a light source module, an electromagnetic drive unit, and a driving circuit. The casing has a top provided with an opening having a support, and the support is provided with an aperture. The wick assembly includes a wick element having a wick plate and a counterweight element which has a counterweight block. The counterweight block is combined with a magnet. The wick assembly swings freely by being supported by the support. The light source module projects light to the wick plate. The electromagnetic drive unit drives the magnet. The driving circuit electrically controls the light source module and the electromagnetic driving unit.

Abstract: A window illumination enhancer having at least one planar reflective surface and two openings is designed to fit in a window well of a building. The surface reflects light from a first of the openings through the window, via the second opening. The first opening is located above the window well. A polymer film surrounds the path of the light between the two openings to reduce soiling of at least the surface. A second planar reflective surface may be included and may be arranged to form a periscopic device, which affords an above-ground view of the exterior. The enhancer may be composed of lightweight materials. It may be freestanding, and may be mounted without fixing to the building wall. Illumination is increased because the view of the dim-lit window well wall is blocked by the more brightly lit surface.

Abstract: A double-layer decorative lamp mainly includes a lamp seat, cover unit and light emitting module, where the cover unit has at least two decorative board pervious to light and configured on the lamp seat, and the light emitting module is in electric connection with the lamp seat and has at least two light sources respectively corresponding to each decorative board, where one of the light sources is formed a proper angle with the corresponding decorative board, and the surface of each decorative board has shading pattern. Whereby, light of the each light source is passed through one of the decorative boards, allowing the non-shading pattern thereof to be brightened, and projects the non-shading pattern of another decorative board obliquely to a wall surface.

Abstract: A vehicular headlamp includes a plurality of excitation light sources; a fluorescent body; a scanning mechanism configured to perform scanning by directing lights emitted from the excitation light sources toward the fluorescent body; and a projection lens through which the lights emitted from the fluorescent body pass such that a light distribution pattern is formed. Irradiation areas of the lights emitted from the excitation light sources and incident on the fluorescent body are different from each other.

Abstract: The invention relates to a lighting module for a headlight for lighting in light segments of a motor vehicle, as well as to a headlight comprising modules in accordance with the invention. The modules according to the invention are characterized in that they allow the creation of headlights that have a continuous external projection surface and implement a lighting function in segments, such as in strips, through the juxtaposition of identical modules.

Abstract: A module may include a housing in which a radiation source is arranged, where the radiation source is configured to emit an excitation radiation by virtue of a conversion element disposed downstream of the radiation source, and the conversion element is configured to convert, at least in part, the excitation radiation. The conversion element may be fastened to a holding section of the housing. The holding section may be encompassed by a positioning element. A receptacle of a component may be adapted to the positioning element. The component may be downstream of the module. The housing may be positionable in the receptacle in order to position the component with respect to an impingement region of the excitation radiation on the conversion element.

Abstract: A headlamp including a matrix static bending lights (SBL) optical system, which enables light to be turned on/off. The headlamp includes a headlamp body installed in a front region of a vehicle and including a main optical system for irradiating light, corresponding to one of a low beam headlight, a high beam headlight, and a glare free high beam (GFHB) headlight, onto the front of the vehicle, a reflective structure disposed on one side surface of the inside of a housing of the headlamp body with respect to a direction intersecting an installation reference direction of the main optical system and including a plurality of reflective surfaces, and a light source unit disposed apart from the reflective structure and including a plurality of light source chips that target at a reflective surface of the reflective structure and irradiate light onto the targeted reflective surface.

Abstract: A lighting device includes a housing, the housing comprising an opening. The lighting device also comprises a lens operably disposed in the opening, the lens having an outer viewable face and an opposed inner face, the lens comprising an integrally formed axially-extending light guide, the light guide comprising a light inlet end, a light outlet comprising a portion of the outer viewable face, and a light transmission portion, the light transmission portion comprising a light reflecting structure disposed on the inner face. The lighting device also includes a light source, the light guide configured to receive light rays from the light source into the light inlet end, transmit the rays via internal reflectance along light transmission portion to the light reflecting structures where they are reflected outwardly away from the lighting device in a principal direction through the outer viewable face.

Abstract: A head lamp for a vehicle including a moisture removing apparatus may include a moisture removing apparatus, moisture generated in the head lamp is removed by a moisture absorbent, wherein the moisture absorbent is dried, such that moisture absorbing performance of the moisture absorbent is restored, continuously maintaining a smooth moisture absorbing function. In addition, the moisture generated during drying the moisture absorbent is not again introduced into the head lamp, but is discharged to the outside, blocking the moisture from being generated in the head lamp.

Abstract: A lighting and/or signaling device for a motor vehicle, including an internal chamber housing an optical system and at least one element made of polymer material having a surface directed toward the interior of the chamber, wherein the surface directed toward the interior of the chamber is provided with a sealing layer forming a barrier to the ingress of water molecules to the chamber. The method for manufacturing such a device is also a subject of the invention.

Abstract: The present invention provides an LED plane light source lamp, which includes a bottom plate; four side plates set on four sides of the bottom plate, respectively; a plurality of circuit boards set on the bottom plate symmetrically and electrically connected to each other in parallel; a plurality of LEDs set on the bottom plate and arranged in an array; a power supply set on the bottom plate and providing electrical power to the LEDs; and a fogging film set opposite to the bottom plate on the side plates; wherein the fogging film scatters the lights of the LEDs to provides a uniform plane light source.

Abstract: An optic configuration including a PCBA with one or more LEDs mounted thereon to emit light through a lens and a reflector. The optic configuration may be assembled within a cavity of a lighting fixture. At least a portion of the emitted light may be subtended by the lens, such that the lens may subtend light through a number of regions (e.g., three distinct regions). At least a portion of the emitted light may be subtended by the reflector, such that the reflector may subtend light from a number of surfaces (e.g., four surfaces). At least a portion of the light subtended by the lens may further be subtended by the reflector. The light subtended by the lens and/or the reflector may form a beam pattern including a high intensity spot portion and a lower intensity flood portion.

Abstract: A lighting device includes LEDs (a light source) 17, a wavelength conversion sheet (a wavelength conversion member) 20 containing phosphors for converting light emitted by the LEDs 17 with wavelength conversion, and a diffuser plate 15a that exerts diffusing effects on the light from the LEDs 17 and is thicker than the wavelength conversion sheet 20 and disposed on a light exit side with respect to the wavelength conversion sheet 20.

Abstract: A light emitting device includes a light source module comprising an excitation light source for emitting exciting light and a compensation light source for emitting compensation light; and a color wheel component, comprising at least one segmented region distributed in a motion direction of the color wheel component. The color wheel component emits the compensation light and first light that comprises at least one beam of excited light under irradiation of the excitation light source and the compensation light source. The compensation light spectrally overlaps the at least one beam of excited light in the first light, and the compensation light and the excited light spectrally overlapping the compensation light are simultaneously emitted and are independently adjustable. A projection system comprising a light emitting device is further provided.

Abstract: A method for manufacturing a rotationally adjustable lamp (1) is disclosed. The method comprises: molding a shell (6) having a guiding slot (7a); providing a base (2) configured to receive the shell (6) and connect to a lamp socket; inserting the shell (6) into the base (2) so as to enclose the guiding slot (7a) by the base (2); and forming in the base (2), when the shell (6) is inserted into the base (2), a notch (5) protruding into the guiding slot (7a), the notch (5) being movable along the guiding slot (7a) so as to allow for the shell (6) to be rotated relative to the base (2).

Abstract: Enclosures with grommetless strain relief are provided, each including a base and a cover. The base has a bottom and four sidewalls arranged to provide an open box-like structure. A first of the sidewalls of the base is configured with a wire routing slot at its perimeter. The cover has a top and four sidewalls arranged to provide an open box-like structure configured to couple with the base, so as to provide a strain relief for an electrical wire passing through the wire routing slot. The wire is pressed against a length of the first sidewall of the base by a first sidewall of the cover. The enclosure may include other features, such as rounded edges in the wire routing path, a wire guide and/or strap to inhibit wire movement between the first sidewalls, and/or one or more locking mechanisms configured to secure the cover to the base.

Abstract: A bracket for use with a recessed light fixture includes a side wall. A first bendable tab is positioned in the side wall. A second bendable tab is positioned in the side wall, the second tab being offset from the first tab. A retainer extends from the side wall.

Abstract: A modular lighting system that includes a pendant that is hung from and gets power from a power bar. The pendant can include a pendant body that is attached directly to and depends from the power bar. The pendant can be provided with one light source or two light sources that are directed in opposite directions. In another version, the pendant is attached to the power bar by a hanger and has connectors allowing the pendant to rotate about a horizontal axis. The hanger can include a member attached to the power bar and configured to allow two rods and the pendant depending from the rods to rotate about a vertical axis.

Abstract: A lighting device suitably adaptable to those that can adjust an irradiation angle stably. A lighting device includes a lighting device housing, a support housing supported by the lighting device housing so as to be freely rotatable about a first rotation axis, and a lighting unit supported by the support housing so as to be freely rotatable about a second rotation axis. The support housing is suspended from the lighting device housing, and is provided with a ring member protruding radially outward at its outer periphery. The lighting device housing is provided with a circular receiving part for supporting the ring member on the support housing side when the suspension is released.

Abstract: A lamp including a lamp body, a light source plate in the lamp body, a light source on the light source plate, and a connection structure configured to electrically connect a power supply to the light source. The connection structure includes a wiring groove defined in a bottom of the lamp body, an electrode pin electrically coupled to the light source and extending into the wiring groove, and a wire fastener coupled to the bottom of the lamp body. The wire fastener is configured to move between open and closed positions. When the power supply line is in the wiring groove and the wire fastener is moved into the closed position, the wire fastener presses the power supply line toward the electrode pin and causes the electrode pin to pierce the power supply line to electrically couple the power supply line to the light source via the electrode pin.

Abstract: This disclosure describes systems, methods, and apparatus for a customizable and modular LED lighting system. The LED lighting system can include an LED driver coupled to a light run and held rigidly relative to each other via a carrier. A mounting bracket can also attach to the LED driver and/or the light run and can affix the LED lighting system to a junction box. The light run can include a thermally conductive frame, sometimes having a “V”-shape and having two surfaces on an upper portion thereof. A substrate comprising a string of electrically-coupled LEDs can be affixed to each of the two surfaces. The LEDs can be driven by the LED driver and can be coupled to each other serially via one or more electrical connectors.

Abstract: A light device includes a USB charger, an AC to DC converter, and a DC to DC circuit to provide power to a light source that provides area illumination, at least one USB charging port and optional additional functions.

Abstract: An end cap accessory for use with a baton. The end cap accessory includes an attachment section that removably attaches to an end of a handle section of a baton. The end cap further includes a tubular section with an opening that faces away from the attachment section, wherein the tubular section includes therein a battery compartment for holding a battery, a light source operable to emit a light when powered by the battery, and a lens operable to focus the light emitted by the light source towards the opening. In addition, the end cap includes a push button positioned on an exterior surface of the tubular section, wherein the push button is operable to activate the light source to emit light when held in a depressed position.

Abstract: A lighting device (1) comprises at least one light source (3) and at least one optical element (5). The optical element (5) may be arranged to transmit light emitted by the light source (3). The optical element (5) comprises a light transmissive material (7) and at least one passage (9) extending through the light transmissive material (7) for allowing a flow of fluid through said optical element (5). The passage (9) is arranged such that a major portion of the light (16) emitted by said light source (3) entering the passage (9) further propagates through the light transmissive material (7). The optical element (5) comprises a plurality of layers (18) of the light transmissive material (7) spaced apart from each other, each layer comprising at least one through-hole (11).

Abstract: A light source module includes a light source with a light emitting device and a terminal electrically connected to the light emitting device; a wiring board to electrically connect another end side of the terminal to an external power supply terminal; a thermal diffusion member between the light source and the wiring board; and a temperature detector mounted on the wiring board to detect a temperature of the light source. The thermal diffusion member has a recessed portion facing the wiring board, the temperature detector is accommodated in the recessed portion.

Abstract: A retrofit light bulb (1) is disclosed. The retrofit light bulb (1) comprises a substantially flat heat spreader (2) having an opening (5); first and second cover members (7, 8) sandwiching the heat spreader (2), each cover member (7, 8) having a protruding portion (9, 10) directed away from the heat spreader (2) and aligned with the opening (5), the two protruding portion (9, 10) together forming a compartment (11); and one or more solid state lighting devices (18) mounted on a carrier (19) arranged in said compartment (11), in thermal contact with the heat spreader (2), wherein said one or more solid state lighting devices (18) are arranged so that each protruding portion (9, 10) receives light directly from each solid state lighting device (18). The compartment thus forms a single light mixing chamber in which light emitted by all of the SSL devices is mixed.

Abstract: A lighted decorative sculpture. The sculpture is wrapped in light strings having translucent electrical insulation that clads electrical conductors of the light string, so that some of the light emitted by the lighting elements propagates axially along the light string before being scattered, refracted, or reflected radially away from the light string. In this way, the light strings so arranged effectively function as their own reflector, eliminating the need for wrapping the sculpture in an outer layer prior to mounting the light strings. The ability to view between the wrapped light strings and into the illuminated hollow of the sculpture also produces a unique lighting effect, giving the sculpture an overall translucent appearance. Various embodiments include a plurality of light strings that stem from the main power circuit, with LED lighting elements. The number of lighting elements per light string may be limited to prevent dimming of the lighting elements.

Abstract: A display device is provided that is a transparent, colored glass-ceramic with a display face on the front, an illumination face on the back, and at least one light-emitting element being disposed in the region of the illumination face. The display device further includes a color compensation filter in the form of a color layer introduced directly or indirectly on the glass ceramics.

Abstract: Provided is a grand piano comprising a rim made of a transparent material, an outer layer formed of a semi-light transmitting material, an inner layer and a bottom layer, which are formed of a material reflecting light received through the rim, and a light source comprising a plurality of point light sources to emit light toward the rim.