Abstract: An imaging system includes a light source configured to generate a light beam. The system also includes first and second light guiding optical elements having respective first and second entry portions, and configured to propagate at least respective first and second portions of the light beam by total internal reflection. The system further includes a light distributor having a light distributor entry portion, a first exit portion, and a second exit portion. The light distributor is configured to direct the first and second portions of the light beam toward the first and second entry portions, respectively. The light distributor entry portion and the first exit portion are aligned along a first axis. The light distributor entry portion and the second exit portion are aligned along a second axis different from the first axis.

Abstract: A spectrally encoded endoscopic probe. The probe has a light guiding component, a light focusing component, and a grating component. The probe is configured such that a set of light beams of multiple wavelengths are diffracted by the grating component in different orders at substantially the same angle. The set of light beams includes at least 3 light beams. Each light beam among the set of light beams is associated with a different wavelength.

Abstract: A vehicular lamp fitting, comprising a projection lens, a separator that is disposed behind the projection lens, a low beam light source and an ADB light source that are disposed behind the separator, wherein the separator includes an upper separator main body, and a lower separator main body, and a first region (a lower portion of an upper entry surface of the projection lens and an upper portion of a lower entry surface of the projection lens) matches the focal plane of the projection lens, a second region (a portion above the lower portion of the upper entry surface of the projection lens) is disposed ahead of or behind the focal plane of the projection lens, and a third region (a portion below the upper portion of the lower entry surface of the projection lens) is disposed ahead of or behind the focal plane of the projection lens.

Abstract: An optical system and luminaire are provided. The luminaire includes a plurality of LED die sets, a plurality of light pipes corresponding to the LED die sets, and a plurality of light pipe holders corresponding to the light pipes. Each of the LED die sets includes a plurality of LED dies. The LED dies of at least one LED die set emit light beams of a plurality of colors that corresponds to the plurality of LED dies. The light pipe holders are configured to hold their light pipes in positions optically coupled to corresponding LED die sets. The light pipe corresponding to the at least one LED die set has an output face, an input face to receive a light beam, and a body extending from the input face to the output face. A cross-section of the body rotates along a central axis extending between the input face and the output face.

Abstract: An interior part combined structure includes a first interior part with a second interior part. The first interior part includes a first base and a design material attached to the first base so as to cover at least a part of a surface of the first base. The second interior part includes a second base provided so as to cover an end part of the first base. The design material is a woven fabric woven by using synthetic resin fibers and side emission type optical fibers as warps or wefts. The side emission type optical fibers each include one end part to which a light source is connected. The one end part includes an end surface facing a light emitting part of the light source. The second base includes a bent end part. The bent end part includes an end surface brought into contact with or facing the design material.

Abstract: Novel and advantageous lighting modules and systems are provided. Lighting modules and systems according to embodiments of the subject invention can be low-luminance, high-efficiency, low-glare lighting modules. For example, a lighting system can utilize multiple layers of efficient optics to spread light from multiple light sources (e.g., a grid of point sources) over a larger luminous surface. The larger luminous surface can maintain the controllability, directionality, and efficiency of a single point source, while significantly reducing the glare. The surface can appear uniformly lit, or substantially uniformly lit, and no dark boundaries may be present between the individual light sources.

Abstract: Presented is a multiparameter automated luminaire comprised of a plurality of light engine modules, a plurality of which by design homogenize light emitted by its light sources more fully than at least one of the light engine modules, which is intentionally designed to noticeably not fully homogenize the light emitted by its light sources. In the preferred embodiment, the non homogenizing light engine module also includes light modulators optionally engagable to more fully homogenize the light output from that light engine module.

Abstract: An LED light bulb includes a bulb shell, a bulb base, two conductive supports, a stem, and an LED filament. The bulb base is connected with the bulb shell. The two conductive supports are disposed in the bulb shell. The stem extends from the bulb base to inside of the bulb shell. The LED filament includes a plurality of LED chips and two conductive electrodes. The LED chips are arranged in an array along an elongated direction of the LED filament. The two conductive electrodes are respectively disposed at two ends of the LED filament and connected to the LED chips. The two conductive electrodes are respectively connected to the two conductive supports. The LED filament is curled to satisfy symmetry characteristics. Surface roughness of segments of a portion of the LED filament in different quadrants in a top view or in a side view is in line symmetry or in point symmetry.

Abstract: A backlight device includes a plurality of light sources arranged in a shape of a matrix, a reflective sheet having partition walls arranged to surround each of the plurality of light sources in four directions and reflecting light emitted from the plurality of light sources, a luminance uniformity plate located above the reflective sheet and uniforming luminance of the light emitted from the plurality of light sources and light reflected by the reflective sheet, and a support member supporting the luminance uniformity plate. The reflective sheet has an opening portion in a portion, of at least one partition wall of the partition walls arranged in the four directions, which is other than four corners, and the support member has a shield portion disposed in the opening portion and shielding the opening portion.

Abstract: The present disclosure enables lighting performance which appears as if there are more light sources than the actual number of light sources, and reduces brightness unevenness. A vehicular light-emitting device includes a plurality of light-emitting units, each of which includes an LED part and a lens configured to diffuse and emit the light received from the LED part, the plurality of light-emitting units being arranged side by side. The plurality of light-emitting units are arranged so that one or more brightness peak values exist between adjacent light-emitting units. Moreover, the light emitted from the lenses of the light-emitting units has a plurality of brightness peaks with respect to the spreading direction of the light, and the arrangement interval of the plurality of light-emitting units is set so that the plurality of brightness peaks of the light emitted from the plurality of light-emitting units are aligned at substantially equal intervals.

Abstract: An illumination structure of the present invention is an illumination structure that lights a sunshade or a glass roof. The illumination structure includes: a frame-like first bracket coupled to a headliner along the circumferential edge of a headliner opening for reinforcing the headliner opening; a frame-like second bracket coupled to the first bracket so as to be overlaid on the back side of the first bracket for reinforcing the headliner opening in cooperation with the first bracket; and a light emitter held between the first bracket and the second bracket. Light from the light emitter is emitted through a gap between the first bracket and the second bracket.

Abstract: A lighting device includes a transparent body member, a light emitting diode (LED) strip at a periphery of the transparent body member, and a switch connected to the LED strip. The LED strip includes a first group of LED elements arranged along a length direction of the LED strip, and a second group of LED elements arranged along the length direction of the LED strip. The switch can turn ON the first group of LED elements when the switch is in a first state, and can turn ON the second group of LED elements when the switch is in a second state.

Abstract: A support for one or more light sources for a lighting and/or light-signaling module for an automotive vehicle, comprising a substrate made of heat-conducting material, preferably made of a metal material, at least one light source of light-emitting diode type with one face for mounting on the substrate, in thermal contact with the latter and a circuit for controlling the electrical power supply of the one or more light sources. The circuit for controlling the power supply is electrically connected to the one or more light sources by means of metal wires that are soldered to the surface using the technique commonly referred to as “wire/ribbon bonding”. A method for assembling such a support.

Abstract: A lighting system for an autonomous vehicle includes one or more optical fiber panels or optical signaling system positioned about a perimeter of the autonomous vehicle; and processing circuitry configured to activate the one or more optical fiber panels or the optical signaling system in a predetermined illumination in response to a status of the autonomous vehicle, wherein the status includes one or more of a time of day, a number of passengers occupied within the autonomous vehicle, and an alert status during operation of the autonomous vehicle.

Abstract: Defined herein is a borescope, including a tube and a tip. The tube includes a first end and a second end, opposite the first end. The tip is fixed to the first end of the tube and comprises a housing and an image acquisition system. The image acquisition system is within the housing and comprises a light emitting diode ring, a micro-lens array, a main lens, and a photodetector array. The light emitting diode ring includes a plurality of light emitting diodes. The micro-lens array includes a plurality of micro-lenses. The main lens is between the light emitting diode ring and the micro-lens array. The photodetector array includes a plurality of photodetectors. The micro-lens array is between the main lens and the photodetector array.

Abstract: A portion of the light from the light emitted by a light-emitting element enters the entrance region, then, is reflected by the first reflective surface on the same side as this entrance region with respect to the optical axis serving as a boundary, and is caused to exit from the second reflective surface on this same side. Another portion of the light enters the entrance region, is reflected by the second reflective surface and the third reflective surface, in this order, on the same side as this entrance region with respect to the optical axis serving as the boundary, is then caused to exit from the connection surface on this same side, re-enters from the first reflective surface or the connection surface on the opposite side with respect to the optical axis, and is then caused to exit from the second reflective surface on this opposite side.

Abstract: The present invention relates to a multipurpose assistance lamp which includes: a lighting unit which includes a transparent film and a casing plate which are disposed on a front surface and a back surface of an OLED lighting sheet, respectively; and a back housing which is attached to a back surface of the casing plate, and accommodates therein a circuit part and a battery for operating the OLED lighting sheet, thereby minimizing a thickness and providing light having improved brightness, by adopting an OLED as a light source.

Abstract: According to various embodiments, a light emitting apparatus is disclosed. In one example, the light emitting apparatus comprises a light source arranged to emit light of a first wavelength onto a wavelength converting member. The wavelength converting member comprises a wavelength converting element arranged to convert the light of the first wavelength into light of the second wavelength, a reflective heat conducting element arranged to reflect light of the second wavelength, and a beam shaping heat conducting element arranged to transmit light of the first wavelength and of the second wavelength, wherein the beam shaping heat conducting element is arranged to direct light of the first wavelength and of the second wavelength with an angular distribution within a collection angle of the collecting lens. The wavelength converting element is in direct thermal contact with the beam shaping heat conducting element and in thermal contact with the reflective heat conducting element.

Abstract: The present technology relates to achieving a low manufactured cost and high design alignment robustness for fabrication of modular light guide luminaires featuring solid state light-emitting elements.

Abstract: A lighting assembly having a mounting structure, an LED mounted on the mounting structure, an optical device optically coupled to the LED, and a support structure for connecting the optical device to the mounting structure. The LED is enclosed within a space formed by the mounting structure, the support structure, and the optical device. The support structure absorbs thermal energy to reduce an operating temperature of the optical device. The optical device may be formed from a first material and the support structure may be formed from a different, second material.

Abstract: A light emitting sign apparatus using an optical fiber includes: a front panel including a plurality of emission holes; a plurality of optical fibers having one ends respectively connected to the plurality of emission holes and the other ends constituting a concentrated bundle; and a light source assembly including a plurality of light emitting diodes optically coupled to the other ends of the plurality of optical fibers, wherein the plurality of light emitting diodes are located on a plane. Each of the plurality of light emitting diodes belongs to any one of a plurality of groups, one ends of the plurality of groups are connected to the same node, and different power voltages are applied to the other ends of the plurality of groups.

Abstract: A light apparatus with an enlightened pattern includes a driver circuit, a LED plate, an optical light guide, a connector and a bulb shell. The LED plate connected to the driver circuit has a LED module for emitting a light. The optical light guide has a bottom end facing to the LED module for receiving the light and has a top end forming an enlightened pattern where the light escaped from the top end of the optical light guide. The connector is used for fixing the LED plate to the optical light guide for aligning the LED module to emit the light into the bottom end and for transmitting heat of the LED plate to the optical light guide.

Abstract: A grating element has an interface configured to cause light beams, include N visible color lights, incident to the interface to diffract at different orders. An imaging lens is configured to focus the N visible color lights diffracted by the grating element. A sensor is configured to receive and detect the focused N visible color lights. The focused N visible color lights include at least a first color light and a second color light. The first color light is diffracted in a first diffraction order and corresponds to a first wavelength resolution for the first color light. The second color light is diffracted in a second diffraction order and corresponds to a second wavelength resolution for the second color light. The first diffraction order is higher than the second diffraction order and the first wavelength resolution is smaller than the second wavelength resolution.

Abstract: A LED downlight capable of regulating illumination angle is composed of a light source device, a swing component, a light distribution mechanism, a rotation component, a casing component and a power source device. The swing component is disposed at a bottom surface of the light source device. The light distribution mechanism is disposed at the bottom surface of the light source device. The rotation component is coupled to the swing component. The casing component is located at a bottom of the swing component. The power source device is disposed at a periphery and connected by a wire to supply power to the light source device. The rotation component can be operated to perform horizontal rotation, and the swing component can be operated to carry out vertical swing during usage so that a user selects and regulates required beam projection direction and angle to have powerful practicality in illumination.

Abstract: An optical system and luminaire are provided. The luminaire includes a plurality of LED die sets, a plurality of light pipes corresponding to the LED die sets, and a plurality of light pipe holders corresponding to the light pipes. Each of the LED die sets includes a plurality of LED dies. The LED dies of at least one LED die set emit light beams of a plurality of colors that corresponds to the plurality of LED dies. The light pipe holders are configured to hold their light pipes in positions optically coupled to corresponding LED die sets. The light pipe corresponding to the at least one LED die set has an output face, an input face to receive a light beam, and a body extending from the input face to the output face. A cross-section of the body rotates along a central axis extending between the input face and the output face.

Abstract: An illumination device includes light-emitting elements (LEEs); a light guide extending in a forward direction from a first end to a second end, the light guide being positioned to receive at the first end light emitted by the LEEs and to guide the received light to the second end; and an optical extractor coupled to the second end to receive the guided light. The optical extractor is formed from a transparent, solid material and includes a first output surface including a transmissive portion arranged and shaped to transmit a first portion of the guided light to the ambient in a forward angular range and a reflective portion arranged and shaped to reflect via TIR all the guided light incident on the reflective portion; and a second output surface arranged to transmit, to the ambient in a backward angular range, light reflected by the reflective portion of the first output surface.

Abstract: A lighting device (10) for a vehicle comprising: an array of optical fibers (28), at least a portion of said array of optical fibers being arranged in at least one predetermined form (32); at least one light source (20) for generating light to be transmitted through said array of optical fibers (28); and at least one support or frame (16) comprising a receiving area adapted to receive said at least one predetermined form; said at least one support or frame (16) being adapted for use on the vehicle to provide a lighting function on the vehicle.

Abstract: A light for use with a hot stick includes an elongate body having a first connector configured to connect to the hot stick and a second connector configured to connect to a tool associated with the hot stick. The light also includes a first light source supported by the elongate body and having a first light emitting diode configured to emit light in a first direction relative to a longitudinal axis of the body, a second light source supported by the elongate body and having a second light emitting diode configured to emit light in a second direction relative to the longitudinal axis that is different than the first direction, a power source positioned within the elongate body and electrically coupled to the first light source and the second light source, and a user interface supported on the elongate body to control operation of the first and second light sources.

Abstract: Various example concern techniques for opto-mechanically manipulating LED-based lighting systems. More specifically, various embodiments concern creating patterns of colored LEDs by determining the preferred color-specific density distribution and sequence(s) of LEDs. When creating the patterns, multiple considerations can be taken into account, including the power to be shared amongst the color channels when certain color models are generated by the linear array of LEDs, allocating an appropriate number of LEDs to each color channel to support the desired color spectrum, the sequencing of those LEDs along a string (e.g., as part of a linear array), etc. The appropriate number of LEDs for each color channel may be determined by first establishing the color model of the linear array within which the LEDs are interleaved.

Abstract: A motor vehicle light includes an optical waveguide system and a reflector. The optical waveguide system is arranged in the focal line of the reflector and is configured to project a plurality of light beams onto the reflector to generate a light signature having a plurality of parallel light beams emitting from the motor vehicle light. The motor vehicle light may include a housing with a transparent cover lens in order to protect the optical waveguide system from environmental influences such as sunlight and mechanical stresses.

Abstract: An apparatus is disclosed. For example, the apparatus may include an array of a plurality of micromirrors, a light source to provide a light input at a near symmetric angle relative to a normal angle of each one of the plurality of micromirrors in the array, and an optic adjuster to adjust an off-axis light output of the plurality of micromirrors in the array when the plurality of micromirrors is in an on-state.

Abstract: A spectrally encoded endoscopic probe. The probe has a light guiding component, a light focusing component, and a grating component. The probe is configured such that a set of light beams of multiple wavelengths are diffracted by the grating component in different orders at substantially the same angle. The set of light beams includes at least 3 light beams. Each light beam among the set of light beams is associated with a different wavelength.

Abstract: A sprayhead for dispensing water includes a housing and an illumination device supported by the housing. The illumination device includes a plurality of light emitters supported by a substrate, and a translucent light pipe defining a closed loop to diffuse light outwardly from the light emitters.

Abstract: The present disclosure relates to an OLED pixel circuitry, a driving method thereof and a display device. The OLED pixel circuitry includes: a driving circuit, a light emitting circuit and a short-circuit protection circuit, wherein the driving circuit is coupled to a scan signal input terminal, a data signal input terminal, a first voltage terminal and the light emitting circuit respectively, and is configured to drive the light emitting circuit to emit light; the light emitting circuit is further coupled to a second voltage terminal, and is configured to emit light; and the short-circuit protection circuit is coupled to the driving circuit and the light emitting circuit, and is configured to control the driving circuit to be turned off when a short circuit occurs in the light emitting circuit.

Abstract: There is provided a back light unit including a light source module and a light source mounting board in which at least one groove is indented deeper than a thickness of the light source module and the light source modules are disposed within the groove.

Abstract: A light source comprises light emitting diodes (LED) (1) with a monocrystal (2), covered by a cap (3) of a transparent material at one side and fitted with an anode contact element (4) to supply and a cathode contact element (5) to lead away direct current at the other side. The LED's arranged in a row are connected with their anode contact elements to one thermally and electrically conductive cooling plate (43, 45) and with their cathode contact elements (5) to another cooling plate (53, 55). These mutually insulated cooling plates are arranged with their lateral sides next to each other and on the surfaces averted from the LED's they are fitted with cooling elements for transfer of heat to cooling media. The cooling elements may comprise sets of cooling fins (44, 54; 46, 56) arranged on the sides of the cooling plates averted from the LED's.

Abstract: A lighting device includes a light source that emits an illumination light. The light source includes a first group of light emitting diodes (LEDs) to emit a first light, a second group of LEDs to emit a second light, and a third group of LEDs to emit a third light. The second light is warmer light than the first light, and the third light is cooler light than the first light. The lighting device further includes a first difference amplifier that controls a first current flow through the second group of LEDs at least based on a magnitude of a current flowing through the light source. The lighting device also includes a second difference amplifier that controls a second current flow through the third group of LEDs at least based on the magnitude of the current flowing through the light source.

Abstract: A device and method for an ultraviolet light (UV) light based visible light generator is disclosed. The UV light source emits a beam of UV light that may be scattered or reflected onto surfaces including UV light reactive materials that produces visible light when exposed to UV light. The UV light may be coherent or non-coherent light. The UV light reactive material may include quantum dot material.

Abstract: Light directing elements, methods, and systems are disclosed. An example light directing element may comprise an elongated body having a first end, a second end and an exterior surface, the elongated body being transparent or translucent to permit transmission of light axially and radially therethrough, a light emitter disposed at the first end of the elongated body, and a diffuser including at least one reflective element disposed within the elongated body, wherein the diffuser is configured to redirect axially emitted light from the light emitter radially towards the exterior surface and wherein the diffuser expands in cross-section towards the second end.

Abstract: A circuit is disclosed. The circuit includes an electric load, at least one electrical component in communication with the electric load, and at least one semiconductor. The at least one semiconductor is configured to emit light in response to a voltage drop across the at least one semiconductor, wherein the semiconductor is operatively connected to the electrical component and emits the light in response to the electric load generating a voltage spike during operation that causes the voltage drop across the at least one semiconductor.

Abstract: In one aspect, lighting devices are described herein. A lighting device comprises an optic housing, a waveguide optic and an optical insert positioned in the housing, the optical insert comprising one or more reflective sidewalls for redirecting light emitted from the waveguide optic. The waveguide optic comprises sidewalls and a light extraction face including extraction elements, wherein the reflective sidewalls of the optical insert cover at least a portion of the sidewalls of the waveguide optic.

Abstract: A light guiding optical system comprising a light guide at least partially formed of an optically transparent material and a light source situated on an input surface of the light guide. The light guide comprises on its front side an output surface for the output of light rays conducted through and out of the light guide, and on its rear side a tooth-like structure to unbind light rays through the output surface out of the light guide. The light guiding optical system further comprises a reflector at least partially formed of an optically transparent material, positioned near the tooth-like structure, and comprising at least two reflective surfaces configured to totally reflect light rays that have escaped from the light guide through the tooth-like structure and to return them to the light guide.

Abstract: Solid state lighting apparatuses, systems, and related methods for improved heat distribution are described. A solid state lighting apparatus can include a substrate and an array of solid state light emitters of varying power arranged on or over the substrate, wherein a predetermined group of the solid state light emitters includes solid state light emitters non-uniformly spaced apart from one another. A method of providing a solid stare lighting apparatus can include providing a substrate, and mounting an array of solid state light emitters of varying power on or over the substrate such that a predetermined group of the solid state light emitters includes solid state light emitters non-uniformly spaced apart from one another.

Abstract: An optical system is disclosed, which comprises a glass light pipe having an input surface for receiving light from a light source and an output surface through which light exits the light pipe, and a polymeric light pipe optically coupled at its input surface to the output surface of the glass light pipe to receive at least a portion of the light exiting the glass light pipe, said polymeric light pipe having a textured output surface. A plurality of microlenses is optically coupled to said textured surface of the polymeric light pipe, and a projection lens is optically coupled to the output surface of the polymeric light pipe to receive light therefrom.

Abstract: Arc modular light devices, systems, and methods. In at least one exemplary embodiment of a module system of the present disclosure, the module system comprises a plurality of LED modules, each LED module comprising an outer housing, a light source positioned within the outer housing, and a lens positioned so that light from the light source can be emitted through the lens; and a flexible plate configured to couple to each of the plurality of LED modules; wherein the module system is configured to focus light from the LED modules inward when the flexible plate is curved in a first direction; and wherein the module system is configured to spread light from the LED modules outward when the flexible plate is curved in a second direction opposite the first direction.

Abstract: A spa is provided that includes: a basin; a motor having a shaft defining a rotation axis; a hub mounted to the shaft, the hub having North and South pole domains spaced apart from each other and arranged to encircle the rotation axis in alternating relation; and an impeller which is disposed in the basin in axially spaced relation to the hub and is at least substantially constrained against movement but for rotation about the axis, the impeller including a rotor body of a non-magnetic, electrically-conductive material having relatively low magnetic permeability. The improvement in which is that there are lights and coils coupled to the impeller for rotation therewith, the lights and coils being coupled and adapted such that, in use, the rotating magnetic fields associated with the drive hub created induced currents in the coils which actuate the lights and create a net force that rotates the impeller.

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: An LED lamp includes a metal lead frame strip (14) on which is directly mounted bare LED dies (12), such as in series. Therefore, there is excellent thermal conductivity to the lead frame (14). Lenses (24) are then molded over the LED dies (12) to encapsulate them. The lead frame (14) is then inserted into a mold for a thermally conductive plastic body (38) and is bent in an arc while in the mold so that the top surfaces of the LED dies (12) are not parallel to each other. The plastic body is molded, and the structure is removed from the mold. The curved lead frame causes the overall light emission to be very wide, such a greater than 270 degrees. In another embodiment, the lead frame strip is supported over a curved outer surface of a pre-molded plastic support. Ends of the lead frame strip are inserted into electrical connectors of the plastic support.

Abstract: The invention includes a drop lens that is generally rectangular-shaped and fits over a housing of a light fixture. The drop lens may include two side portions that attaches to and/or engages with the side panels of the housing. The drop lens includes an inner lens that extends between each of the side portions of the drop lens. The inner lens may be preferably constructed of a flexible plastic material so that it can be flexed and bent to engage the side portions of the drop lens. The inner lens disperses the light from the light source, thereby creating a uniform and consistent luminance on the bottom, sides, and ends of the drop lens. Additionally, the invention may include an upper lens that extends between and is slidably engaged with each of the side panels of the housing. The upper lens slides within the housing to hide the light source through a gap or seam between a first drop lens section and the second drop lens section.

Abstract: An illuminated seal assembly is provided herein. The illuminated seal assembly includes a carrier that is configured to attach to a vehicle. The carrier has a first region and a second region having varied light transmissivities. A first light source is disposed on the carrier. A light guide is operably coupled with the first light source.