Abstract: A lighting device includes a housing that defines an opening, and light board moveably positioned in the housing adjacent the opening. The light board has a plurality of light modules operable to provide a light output through the opening. The lighting device further includes a motor operatively connected to the light board to move the light board. The lighting device further includes a controller in electrical communication with the motor and the light board. The controller is operable to receive signals from a communication device. The controller is further operable to control the motor to orient the light board. The controller is further operable to control an intensity and a color of the light output of the light modules.

Abstract: A wavelength-converting device includes a first substrate, a second substrate and a first wavelength-converting material. The first substrate has a first region and a first engagement portion. The second substrate is disposed adjacent to the first substrate and having a second region and a second engagement portion. The second engagement portion and the first engagement portion have complementary shapes. The first wavelength-converting material is disposed on the second region for converting a light in a first waveband into a light in a second waveband. The light in the first waveband is transmitted through the first region, and the light in the second waveband is reflected by the second region. The first region and the second region are staggered, so that the first engagement portion and the second engagement portion are engaged and fixed with each other. As a result, the safety and stability are enhanced, and the noise is reduced.

Abstract: A networked visual and audible alarm apparatus and method of synchronized alerting provides audible and visual alerts upon detection of events, such as smoke, carbon monoxide and gas. The apparatus adapts to a light bulb socket to provide normal lighting when no event is detected. The apparatuses are systematically disposed through different sections of a structure. Each apparatus independently emits an audible signal, dependent on the type of event detected in the respective section for the apparatus. Further, each alarm apparatus provides a colored high strobe light that illuminates at a color and intensity that varies, dependent on the type of event detected in the section of the alarm apparatus. A microphone enables the alarm apparatus to initiate the audible signal and the high strobe light upon detecting an audible signal from an adjacent alarm apparatus. Also, voice commands can be used to power off the alarming apparatus.

Abstract: Lighting system including housing having base plate, and housing wall projecting in upward direction. Container with LED in housing having visible light-transmissive top plate and container wall projecting in downward direction. Gasket is configured for forming seal between container wall and base plate to form sealed container. Rail interposed between interior side of housing wall and exterior side of container wall. Rail has first side facing towards interior side of housing wall and second side facing toward exterior side of container wall. First raised region forms part of interior side of housing wall or part of first side of rail. Second raised region forms part of exterior side of container wall or part of second side of rail. First raised region is configured for limiting movement of rail away from base plate along upward direction, and second raised region is configured for limiting such movement of container wall.

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: An improved LED lighting system is provided for overhead ceiling lighting, as well as for other uses. The LED lighting system comprises elongated linear lamps having an LED luminary as a source of illumination and configured to operate as a node of an automated networked lighting system. The linear LED lamps have internal modular network connectors and control components so that they can receive control data and power signals over a single network cable according to a standardized power and data network communications architecture such as Ethernet. The system includes connector assemblies designed to securely mount the networkable linear LED lamps to conventional tube lamp lighting fixtures or to another support housing and to provide integrated power and data connectivity to internal components of the lamps. In one form, the disclosed system includes a network enabled snap-fit connector assembly mounted to a lighting fixture and configured to provide Ethernet power and data connectivity to the lamp.

Abstract: To provide an illumination method and a light-emitting device which are capable of achieving, under an indoor illumination environment where illuminance is around 5000 lx or lower when performing detailed work and generally around 1500 lx or lower, a color appearance or an object appearance as perceived by a person, will be as natural, vivid, highly visible, and comfortable as though perceived outdoors in a high-illuminance environment, regardless of scores of various color rendition metric. Light emitted from the light-emitting device illuminates an object such that light measured at a position of the object satisfies specific requirements. A feature of the light-emitting device is that light emitted by the light-emitting device in a main radiant direction satisfies specific requirements.

Abstract: A luminaire is for use in a lighting apparatus that includes a plurality of luminaires and a computerized device. The luminaire includes a plurality of lights and a controller. The luminaire is operated to emit source light characterized by a dominant source light wavelength within a range from 390 nanometers to 750 nanometers, and with a different dominant source light wavelength than the source light of at least one other luminaire in the lighting apparatus, and such that the source light emitted by the luminaire is combined with the source light emitted by the at least one other luminaire to form a combined light. The dominant source light wavelength of the luminaire is variable with time, and the controller operates the plurality of LEDs such that a color temperature of the combined light does not vary more than 5% across the length and width of the area of illumination while the dominant source wavelength varies with time.

Abstract: An inflatable display with dynamic lighting effect has an inflatable body, an air pump inflating the inflatable body, and a lighting assembly mounted inside the inflatable body for providing dynamic lighting variations. The lighting assembly has a light housing, a power supply, a lighting module, and a refracting module mounted in the light housing. The lighting module and the refracting module rotate relative to each other. As light beams emitted from the lighting module pass through the refracting module, the light beams are mixed and refracted. With relative rotation of the lighting module and the refracting module, the light beams can project outwards to further penetrate through the inflatable body at different angles covering a large area to form the dynamic lighting variations and to exhibit the dynamic lighting effect.

Abstract: The embodiments of present invention disclose a direct type backlight module, comprising a backplate and a plurality of strip lamps provided on the backplate, each of the strip lamps is provided with a lamp set composed of a plurality of light-emitting diodes. The direct type backlight module further comprises a plurality of wires, the lamp set of at least one strip lamp of the plurality of strip lamps is electrically connected to the power supply via the plurality of wires. The lamp set of the at least one strip lamp has two terminals, i.e., positive/negative terminals, the positive/negative terminals of the lamp set of the at least one strip lamp are electrically connected to the corresponding wires via a pair of mated connectors.

Abstract: An LED lighting apparatus is provided. The LED lighting apparatus comprises: an LED module; a heat dissipation member; and a connection member for connecting the LED module and the heat dissipation member mechanically and heat-conductively. The heat dissipation member comprises a reflective surface for reflecting light from the LED module.

Abstract: A curved waveguide is described herein. The curved waveguide can include a length having at least one portion. The curved waveguide can also include a width, a height, and at least one side. A first portion of the at least one portion of the length can have a first curvature. The at least one side is configured to receive light emitted by at least one light module disposed adjacent to the at least one side.

Abstract: A glass loudspeaker emitting sound and acoustically-driven light includes a glass substrate, a plurality of exciters, a light bar, a plurality of coupling collimators, a diffractive grating, and a control unit. The exciters are arranged at intervals on the glass substrate. The light bar is arranged toward the glass substrate and includes a plurality of light sources. The coupling collimators are arranged on the light-emitting path of the light sources. The diffractive grating is arranged on the glass substrate and toward the light bar. The control unit is electrically connected with the light bar and the exciters, and includes an acoustic signal receiving unit, an audio signal amplifier, an audio signal analyzer, and a current distributor.

Abstract: A light guide plate, a backlight module and a display device employing the same. The light guide plate is configured to guide light emitted from an LED lamp on an LED lamp strip, and a light incident surface of a side portion of the light guide plate is provided with an indentation; when the LED lamp is locked in the indentation, a light emitting center line of the LED lamp coincides a light incident center line of the light guide plate. The backlight module includes a light guide plate, and the display device includes the above backlight module.

Abstract: A surface light source device includes a light source, a plurality of light guide rods that are disposed in parallel and allow light emitted from the light source to enter through an end surface and emits the incident light through an outer peripheral surface, and a diffusion plate that transmits light emitted from the light guide rod while diffusing the light. The light guide rod includes a light control part disposed on a surface along an axis of the light guide rod, and scattering, reflecting, or emitting light guided inside the light guide rod. Further, when an angle of a direction of a perpendicular relative to an extending direction of the diffusion plate from the center of the light guide rod is set as 0°, an angle of light having peak intensity to be emitted from the light guide rod is 30° to 90°.

Abstract: A light strip has a flexible enclosure extruded around a pair of conductors. The enclosure contains a lighting assembly with one or more flexible substrates that are each populated with a plurality of light circuits. The substrates are spaced from the pair of conductors. The lighting assembly has a plurality of connecting devices for electrically coupling the lighting assembly to the pair of conductors.

Abstract: Disclosed are methods and apparatus related to a LED-based lighting fixture having a touch-sensitive light emitting surface that may be touched by a user to change light output characteristics of LEDs of the lighting fixture. The LED-based lighting fixture may include a flexible touch-sensitive layer and a flexible light emitting layer having a plurality of individually controllable LED groups. Touch events may be detected via input from the flexible touch-sensitive layer and at least one light output characteristic of the LED groups altered in correspondence with the touch events.

Abstract: A device for generating multiple collimated light beams includes a carrier and at least two light generation units mounted on the carrier. The light generation units are configured to emit, each from an aperture, light beams at respectively different wavelengths and being arranged, with respect to axes of the light beams, substantially parallel and substantially in a common plane. A first lens is mounted on the carrier intersectingly to the axes of the light beams and has a principal plane. The light generation units have their apertures aligned along an alignment line substantially perpendicular to the axes of the light beams and the principal plane of the first lens is non-perpendicular to the axes of the light beams and is non-parallel to the alignment line.

Abstract: The present disclosure discloses a stereoscopic integrated LED light source module, which comprises a columnar insulated support, a plurality of conducting circuits located on outer surface of the columnar insulated support, a plurality of LED light sources connected the conducting circuits to form a plurality of illumination areas, and a plurality of LED drive elements connected the conducting circuits to form a plurality of drive areas. A plurality of cabling channels are located on outer surface of the columnar insulated support, and the conducting circuits are formed on the cabling channels. This disclosure also discloses a LED lamp which uses the LED light source module stated above and a method for manufacturing the same. The present disclosure increases production efficiency and light emitting angle, and reduces manufacturing cost.

Abstract: Runway end identifier light system having a housing with an illumination window, a substrate having a mounting surface disposed within the housing, and a first light-emitting diode (“LED”) disposed on the mounting surface of the substrate. The LED may be configured such that light emitted by the LED is visible through the illumination window of the housing. The LED may have a primary illumination axis which is at an angle greater than 0° with respect to a perpendicular axis of the substrate. Systems with multiple mounting surfaces and multiple LEDs having various primary illumination axes are disclosed.

Abstract: A system and method for calibrating a vehicle badge having a number of light sources is provided herein. A display displays a lighting sequence of a virtual badge. A sensor captures images of the lighting sequence at specified time intervals. A controller calibrates the light sources to match the captured lighting sequence at each time interval. A computing device utilizes calibration data to generate a code stored on the controller to control the light sources to reproduce the lighting sequence.

Abstract: An LED linear lamp assemblage. The assemblage has two LED linear lamp sections, each LED linear lamp section with an elongated tube with a transparent or translucent cover that connects to the base portion that defines a space inside. A circuit board with a plurality of spaced apart LEDs and electrical connectors are disposed within the space. At first ends of the two LED linear lamp sections are pin(s) for connecting to a power source, and the electrical connectors are located near second ends of each LED linear lamp section. A joiner unit is provided for mechanically connecting and holding the two LED linear lamps sections together at their second ends. When the two LED linear lamp sections are connected at their second ends to establish electrical connection the LED linear lamp assemblage is complete.

Abstract: A lighting device comprising plural excitation sources configured to provide at least two excitation peak emissions of different wavelength and at least one phosphor material radiationally coupled to the plural light source, the lighting device having a plurality of operational states comprising a first operation state wherein excitation of the at least one phosphor material by a first peak emission from the plural excitation sources provides a first correlated color temperature (CCT) value, and at least one additional operational state wherein excitation of the at least one phosphor material by a second peak emission from the plural excitation sources provides at least one additional CCT value different from the first CCT value. Methods of varying the CCT value using the lighting device with controlled power distribution to the plural excitation sources.

Abstract: A backlight module includes a light-guiding assembly and a light source assembly. The light-guiding assembly includes a back cover, a reflector, a light-guiding plate (LGP), a number of optical correcting elements, and a frame. The light source assembly includes a main body and a light source. The back cover defines a light input area. The main body includes two reflection sides. The two reflection sides curve over the light source. The main body defines a main body opening between the two reflection sides. The light source assembly further includes a lens received in the main body opening. The light emitted from the light source and reflected by the two reflection sides are transmitted to outside of the main body through the lens.

Abstract: Methods and systems for indicating boundaries of a volume of space are disclosed. A method may include: providing a first pair of indicators positioned to visually indicate boundaries of a predefined volume of space with respect to a first axis; providing a second pair of indicators positioned to visually indicate boundaries of the predefined volume of space with respect to a second axis; and configuring the first pair of indicators and the second pair of indicators to provide a first type of visual indication visible to a viewer from positions outside of the predefined volume of space. The methods and systems may be utilized for indicating boundaries of a volume of space for proper and/or improper viewing of a display device.

Abstract: A direct-type LED backlight module includes a back bezel having opposite first and second surfaces, a daughterboard having opposite third and fourth surfaces, LED lightbars disposed on the first surface, and a local dimming control board disposed on the second surface. The first surface has a groove disposed thereon. The second surface has a through hole disposed thereon and communicating with the groove. The daughterboard is disposed in the groove. The third surface has first connectors disposed thereon and protruding out the groove. The fourth surface has a second connector disposed thereon and protruding out the second surface through the through hole. The first and second connectors are electrically connected. Each LED lightbar has a third connector disposed thereon and connected to the corresponding first connector. The local dimming control board has a fourth connector disposed thereon and connected to the second connector. It reduces wiring cost and assembly time.

Abstract: A wavelength converting unit includes: an incident portion configured to be connected to an excited-light emitting end of a excited-light source, and on which excited light emitted from the excited-light source is made incident; a wavelength converting member configured to convert the excited light into wavelength-converted light of a desired wavelength; a light transmitting member configured to transmit the excited light and the wavelength-converted light; a reflector configured to reflect at least part of the wavelength-converted light; and an emitting portion configured to emit at least part of the at least part of the wavelength-converted light reflected by the reflector to outside. At least part of the light transmitting member is continuously formed to extend from the incident portion to the emitting portion, and part of an external surface of the light transmitting member has the reflector.

Abstract: An illumination system for a lithographic or inspection apparatus. A plurality of optical waveguides transmit radiation from the illumination source to an output. A switching system enables selective control of one or more subsets of the optical waveguides. An inspection method uses an illumination system and inspection and lithographic apparatuses comprise an illumination system. In one example, the optical waveguides and switching system are replaced by a plurality of parallel optical bandpass filter elements. The optical bandpass filter elements each only transmit a predetermined wavelength or a band of wavelengths of radiation. At least two of the parallel optical bandpass filter elements each being operable to transmit a different wavelength or band of wavelengths.

Abstract: A light source includes a light emitter configured to emit light, and a light guiding member located at a side of the light emitter. The light guiding member includes a first light entering face, a first light exiting face and a top face connecting the first light entering face and the first light exiting face. The first light entering face is coupled to the light emitter. The first light entering face is opposite to the first light exiting face. The first light entering face has a height larger than that of the first light exiting face. The top face includes a first connecting face and a second connecting face extending from an angle relative to the first connecting face. The light guiding member is configured to receive the light from the light emitter via the first light entering face and output the light via the first light exiting face.

Abstract: Disclosed is a combined light emitting diode lamp that utilizes a multicolored light emitting diode that is capable of creating a full spectrum of colors. Attached to the multicolored lamp is a white light emitting diode lamp that provides a bright white signal that is consistent from one combined LED lamp to another.

Abstract: A heat-dissipation structure of a liquid crystal is disclosed. The heat dissipation structure comprises a light bar component having a circuit portion, the light bar component comprises a vertical plate and a horizontal plate, the vertical plate and the horizontal plate are formed by one-piece bending and are vertical to each other, and a plurality of LED light source modules are disposed on a surface of the vertical plate; and a back plate, the horizontal plate is disposed on the back plate. In the liquid crystal module and the heat dissipation structure, the bending light bar component is connected to the back plate. Compared with the traditional art, the liquid crystal module has narrower border, higher heat dissipation efficiency and longer life time.

Abstract: A system and method for combining multiple emitters into a multi-wavelength ouput beam having a certain band and combining a plurality of these bands into a single output using non-free space combining modules.

Abstract: A warning light includes a lens or cover is tinted with a grey or “smoke” tint that is not spectrally selective or alternatively referred to as “neutral density” in that it reduces transmission of all colors of light equally. The objective of the neutral tinted “smoked” lens is to reduce the conspicuity of warning lights when not in use. Ambient light penetration into the warning light is reduced by the proportion of tint and then light reflecting off the optical surfaces within the warning light are reduced again when passing through the tinted lens on the way out of the assembly. The resulting warning light appears dull and is less conspicuous than the same warning light or lightbar with a clear lens. The tinted lens or cover may include optical elements configured to re-direct light, and the entire lens or cover is molded from the same tinted plastic material.

Abstract: A Fresnel lighting instrument for use in film and video production, having a LED light engine mounted to a heat sink defining a first plane, a dual basket type focusing assembly adapted to longitudinally extend or retract a Fresnel lens away from and back to the first plane substantially without rotation along the longitudinal range of extension, to provide a fanless, cool operating, highly compact and lightweight Fresnel light suitable for studio or field use. The dual basket type design allows for transporting three Fresnel units in a standard milk crate since the unit collapses down whereas existing Fresnel lights all use a constant volume can-shaped housing within which the light source is repositioned.

Abstract: The present disclosure provides systems for generating tunable white light. The systems include a plurality of LED strings that generate light with color points that fall within blue, yellow/green, red, and cyan color ranges, with each LED string being driven with a separately controllable drive current in order to tune the generated light output.

Abstract: A light source module adapted to provide a first illumination beam to a display apparatus is provided. The display apparatus includes a display panel for displaying a 2D/3D image. The light source module includes a first wedge-shaped light guide plate, a first light emitting device, a second light emitting device, and a light source driving module. The first wedge-shaped light guide plate has a first and second light incident surfaces and an optical grating pattern. The first light emitting device and the second light emitting device are respectively disposed beside the first light incident surface and the second light incident surface. In a 2D/3D image display mode, the light source driving module controls to turn on the first/second light emitting device for providing the first illumination beam to the first wedge-shaped light guide plate. A method for driving the display apparatus is also provided.

Abstract: Various embodiments may relate to an LED lighting device, including at least one mint-colored light-emitting diode, at least one amber-colored light-emitting diode and at least one yellow light-emitting diode and/or blue light-emitting diode.

Abstract: A color temperature modulating method involves: computing blackbody spectrums including a target color temperature, and performing normalization at a benchmark wavelength to define a common color-temperature area; selecting a white LED containing phosphor; adjusting the white LED's intensity such that the primary-peak wavelength is close to a maximum relative intensity in the common color-temperature area accordingly; using a blue LED, a green LED, and at least two red LEDs, wherein peak wavelengths of the blue and green LEDs are located between the primary and the secondary wavelength of the white LED, and peak wavelengths of the red LEDs are greater than the primary-peak wavelength; and adjusting relative intensities of the blue, green, and red LEDs to make a relative intensity of a combination of these LEDs and the white LED close to the target color temperature.

Abstract: A cable signal detector includes a detection unit that is provided in a connector attached to an end of a communication cable or in a relay connector to be connected to the connector, and branches, extracts and sends a portion of signal transmitted through the cable, and a visualization unit that is provided separately from the connector or the relay connector and includes a light-emitting circuit to emit a light when receiving the signal sent from the detection unit.

Abstract: Various embodiments may relate to a lighting module, including a first printed circuit board, on which at least one light source is arranged, a covering element, which at least partially covers the first printed circuit board, and at least one electronic component, which is integrated in the covering element and is electrically connected to the first printed circuit board.

Abstract: A programmable circuit includes an array of printed groups of microscopic transistors or diodes. The devices are pre-formed and printed as an ink and cured. The devices in each group are connected in parallel so that each group acts as a single device. In one embodiment, about 10 devices are contained in each group so the redundancy makes each group very reliable. Each group has at least one electrical lead that terminates in a patch area on the substrate. An interconnection conductor pattern interconnects at least some of the leads of the groups in the patch area to create logic circuits for a customized application of the generic circuit. The groups may also be interconnected to be logic gates, and the gate leads terminate in the patch area. The interconnection conductor pattern then interconnects the gates for form complex logic circuits.

Abstract: The present disclosure includes an optical component including one or more microstructures configured to diffuse light incident thereto from within the optical component. The microstructures are provided at least on a light input surface of the optical component provided in a bottom cavity of its body.

Abstract: A six-primary solid state illuminator includes a first light source, a second light source, a third light source, a first photoluminescence device, a second photoluminescence device, and a multi-band filter. The first light source provides a light with a first wavelength. The first photoluminescence device under excited state provides a light with a second wavelength. The second light source provides a light with a third wavelength. The third light source provides a light with a fourth wavelength. The second photoluminescence device under excited state provides a light with a fifth wavelength. The light beams of the first light source, the second light source, and the first photoluminescence device are converted to a first primary combination after passing through the multi-band filter. The light beams of the third light source and the second photoluminescence device are converted to a second primary combination after reflected at the multi-band filter.

Abstract: A light emitting diode (LED) lighting fixture for achieving a desired illumination pattern includes a support plate and a plurality of panels Connected to the support plate. Each panel has an array of LEDs mounted to a planar surface thereof, and each of the panels is rotatable in at least two dimensions.

Abstract: A process for the detection of optical signals with a light module (10) with at least two light sources (20) operated with on/off times with at least one LED (30). The process includes the steps of operating the at least two light sources (20) with time-shifted on/off times and detecting optical signals with the light source (20) that occurs in the off time at the given time.

Abstract: A system and method of creating a steady ON and a special effects light effect from a bulb without providing any special wiring thereto. In one embodiment, the bulb contains an illumination element and a controller which produces the special effect in the element. By interrupting the flow of current to the controller periodically, the controller is initialized to its initial steady ON condition. A plurality of steady ON pulses at a high frequency will appear as a steady ON light, instead of pules, thereby producing a steady ON appearance without special wiring. When the current is allowed to flow continuously, the controller produces the special effect. A second embodiment uses parallel polarized light element which produce different effect when power is applied in opposite polarities, thereby providing two effects with no special wiring.

Abstract: A visible light spectrum and light source apparatus are described that provide over 90% of their total radiant power within the 385 nm-530 nm and the 570 nm-820 nm spectral ranges, collectively. The objective of the light spectrum and apparatus is to improve the visibility and shape of a wider range of objects than is practical using conventional LED white light sources at similar radiant power conditions. The new light source can provide good Scotopic or Mesopic at low power levels compared to most other light sources for illumination. One illustrative embodiment of this new spectrum and light source provides a full visible light spectrum with at least 6% of the highest peak radiant power of all wavelengths between 405 nm-730 nm, and another illustrative embodiment provides a similar full spectrum between 440 nm and 730 nm. In both embodiments, the average radiant power in the 475-510 nm cyan spectral region is at least 2-times the average radiant power in the 530-570 nm spectral region.

Abstract: A system for accenting an appliqué comprising a lighting system comprising a light source configured to emit polychromatic light, and an appliqué configured to be applied to a surface, the appliqué being configured to at least one of scatter light and reflect light within an appliqué wavelength range. The light source is operable to emit alternating first and second polychromatic lights, the first polychromatic light comprising a maxima within the appliqué wavelength range and the second polychromatic light not comprising a maxima within the appliqué wavelength range.

Abstract: A light conversion assembly, a lamp and a luminaire is provided. The light conversion assembly comprises a first layer and a second layer. The first layer comprises first luminescent material. The first luminescent material comprises particles showing quantum confinement and have at least in one dimension a size in the nanometer range. The first layer is arranged to receive light from a light source emitting light of a first spectral distribution in a violet or blue spectral range. The first spectral distribution has a first peak wavelength. The first layer is configured to convert substantially all the received light towards light of a second spectral distribution in the blue spectral range, independently of the position of first spectral distribution in the violet or blue spectral range. The second spectral distribution has a second peak wavelength which is a longer wavelength than the first peak wavelength. The second layer comprises a second luminescent material.

Abstract: The invention provides a luminescent nano particles based luminescent material comprising a matrix of interconnected coated luminescent nano particles, wherein for instance wherein the luminescent nano particles comprise CdSe, wherein the luminescent nano particles comprise a coating of CdS and wherein the matrix comprises a coating comprising ZnS. The luminescent material according may have a quantum efficiency of at least 80% at 25° C., and having a quench of quantum efficiency of at maximum 20% at 100° C. compared to the quantum efficiency at 25° C.