Abstract: A luminous glazing unit includes at least two glazing elements, for example at least two transparent glass sheets; optionally at least one lamination interlayer between the two glazing elements; at least one waveguide element, located on one face of the lamination interlayer and/or between the two glazing elements, the waveguide element having a refractive index higher than the refractive index of the adjacent interlayer and/or glazing elements; at least one light source, for example positioned at the edge of the glazing unit in order to illuminate the waveguide element via the edge face of the latter; and at least one light extraction device, formed by at least one fibrous structure, this structure being in the form of at least one textile, this structure or this extraction device being placed in the core of the waveguide element.

Abstract: A light guide includes an incidence surface configured to allow light from a light emitting unit to enter the light guide, a light guide portion configured to propagate the light entering via the incidence surface, a reflection portion configured to reflect the propagated light, an exit surface configured to allow light reflected on the reflection portion to exit, and a protrusion portion configured to position the light guide, wherein the protrusion portion is provided downstream of the reflection portion.

Abstract: A supercontinuum light source comprising an intermediate supercontinuum light source and a single mode coupling unit, an optical measurement system comprising such light source, as well as a method of measuring are described. The supercontinuum light source comprises a pulse frequency multiplier to increase the repetition rate and the single mode coupling unit is arranged to dampen and shape the spectrum from the intermediate supercontinuum light source to allow measurements with a reduced noise floor.

Abstract: A light projection apparatus that can produce an elongate light projection pattern is provided. The light projection apparatus includes a fluorescent member which is excited with exciting light and a light projecting member which reflects or transmits the light emanating from the fluorescent member to project it outside. The fluorescent member includes an irradiated region which is irradiated with the exciting light, and the length of the irradiated region in a first direction is greater than its length in a second direction.

Abstract: An applicator assembly is disclosed having a rotating applicator, a controller, and an LED. A fragrance, cosmetic or other substance, preferably liquid, gelatinous, semi-fluid, or semi-solid, is applied to the user or object by pressing dragging the rolling applicator onto an application surface. As the applicator is dragged, the rolling applicator rotates and distributes the fragrance, cosmetic or other substance onto the application surface. In addition, as the rolling applicator rotates, the controller can generate signals based on movement of the rolling applicator that are used to vary an attribute of light emitting from one or more LEDs. Movement of the rotating applicator preferably causes a change in the wavelength or intensity of the one or more LEDs.

Abstract: An illumination device includes a light source configured to emit, during operation, light with a prevalent direction of propagation different from a direction of an optical axis of the illumination device; and an optical coupler including a transparent material, the optical coupler having an input aperture, an exit aperture and a first side surface and a second side surface arranged between the input aperture and the exit aperture, the exit aperture being centered on the optical axis of the illumination device. The optical coupler receives the emitted light through the input aperture from the light source. Further, the first side surface and the second side surface redirect the received light via total internal reflection (TIR) to the exit aperture. Additionally, the redirected light is issued through the exit aperture.

Abstract: A light compensating system in accordance with this invention comprises a plurality of light emitting devices, an image capturing device, and a processing device. The processing device is respectively coupled to the plurality of light emitting devices and the image capturing device. Each light emitting device is used for emitting light to illuminate a certain area in space. The image capturing device is used for capturing a first image, which can be defined as a plurality of image blocks. Each image block is affected by the light from at least one corresponding light emitting device. The processing device is used for analyzing a brightness value of at least one of the plurality image block and adjusting at least one light emitting device corresponding to the analyzed image block based on the brightness value.

Abstract: An optical waveguide coupler includes a substrate and an optical waveguide of a multi-layer structure of a first clad layer/a first waveguide layer/a second clad layer, at least, on the end surface side of an optical input and output provided on the substrate, characterized in that the first waveguide layer has such a distribution of the refractive index that the refractive index is the highest at the center of the first waveguide layer in the multi-layer structure in the stacking direction, and the first waveguide layer has such a protrusion in a convex form that the center portion having the highest refractive index protrudes in a cross section that is perpendicular to the end surface of the optical input and output and perpendicular to the main surface of the substrate.

Abstract: A cable connection system (100, 200, 300) includes a coupling housing (110, 210, 310) defining at least a first port (112, 212, 312); a printed circuit board (120, 220, 320) coupled to the coupling housing; and a communications component (130, 230, 330, 360, 400, 500, 550) sized to be received at the first port of the coupling housing. The printed circuit board (120, 220, 320) includes a light source (125, 225, 325). At least an indication section (135, 235, 335, 365, 450, 515) of the communications component (130, 230, 330, 360, 400, 500, 550) includes (e.g., is formed from or is coated with) a light transmissible material. The indication section (135, 235, 335, 365, 450, 515) is aligned with the light source (125, 225, 325) when the communications component (130, 230, 330, 360) is received at the first port of the coupling housing so that light emitted from the light source (125, 225, 325) illuminates the indication section of the communications component (130, 230, 330, 360, 400, 500).

Abstract: A system for supervision of a passive optical network includes an OTDR device, generating N+1 OTDR signals of wavelengths ?U-?N, and transmitting the signals towards ONUs. The system includes a splitter having N output branches. An input of the splitter is connected to the output of the OTDR device and the output branches of the splitter are indirectly connected to the ONUs. The splitter splits the OTDR signals and forwards them towards the ONUs. The system includes a wavelength isolator having inputs connected to the splitter output branches. The wavelength isolator isolates, on individual inputs, one predetermined wavelength of the received OTDR signals per individual input, where two inputs of the wavelength isolator do not isolate the same wavelength, and forwards, from each of the inputs of the wavelength isolator, the OTDR signals to associated outputs towards the ONUs connected to the wavelength isolator by individual fiber links.

Abstract: A light assembly is provided that includes a light guide, multiple light pipes, and multiple light sources. The light guide has an elongated body extending along a longitudinal axis. The light guide includes multiple segments arranged axially along a length of the body. Each segment has a light receiving region and a light emitting region. The light pipes are disposed along the light receiving regions and extend parallel to the longitudinal axis. Each of the multiple light sources is optically coupled to an attachment end of a corresponding light pipe. The light emitted by each light source is received by the corresponding light pipe at the attachment end and transmitted through the light pipe towards a distal end of the light pipe. Adjacent segments of the light guide receive light from different light pipes and emit such light from the light guide through the corresponding light emitting regions.

Abstract: A vehicle light installed in a vehicle includes: a main case having a front opening; first and second light guides that are disposed in the main case; light sources that emit light into the first and second light guides; and a translucent cover fitted to cover the opening of the main case. The first light guide is rod-shaped and includes a first extended section extending from the inboard side of the first light guide relative to the vehicle width direction toward the outboard side of the first light guide relative to the same and a second extended section that continues from the first extended section, curves back inwardly, and extends to the inboard side, and the second light guide is plate-shaped and disposed so as to pass in front of or behind the portion of the first light guide that curves back.

Abstract: An LED light source module for an LED motor vehicle headlight is disclosed. The module comprises at least one LED light source composed of at least one light-emitting diode, which couples light into an associated primary lens wherein the in-coupled light at least partially exits a light exit area of the primary lens. The module also comprises a secondary lens, which images the light exiting the exit area—when the headlight is installed in a vehicle—as a light pattern onto a region located in front of the vehicle. A diaphragm assembly is provided between the light exit area and the secondary lens. The diaphragm assembly comprising at least one optically effective diaphragm edge, which is arranged and/or extends such that undesired distortions occurring in an upper and/or lower region of the light pattern are at least partially suppressed in the light pattern.

Abstract: A light mixing and folding lamp includes an LED assembly with two or more LED chips that direct light into the ingress end of a light mixing rod. The light mixing rod is positioned to pass through an aperture in a concave second reflecting element, and mixed light emerges from the egress end of the light mixing rod, where it is directed toward a first reflecting element positioned near a focal point of the second reflecting element. The first reflecting element reflects mixed light emerging from the egress end of the light mixing rod, folding the mixed light back toward a concave reflecting surface of the second reflecting element. The second reflecting element reflects light from the first reflecting element forward, where the light emerges from the lamp directed toward a subject to be illuminated.

Abstract: A planar lightwave circuit that can be optically coupled with an external device with low optical loss, while also providing low-power functional control over an optical signal propagating through the PLC is disclosed. The PLC includes a high-contrast waveguide region in a stress-inducing (SI) phase shifter is formed such that it can control the phase of the optical signal. The high-contrast-waveguide region is optically coupled to a low-contrast-waveguide region via a spotsize converter, thereby enabling optical coupling to off-chip devices with low optical loss. Formation of the SI phase shifter in a high-contrast-waveguide region enables improved responsivity and phase control, reduced voltage, and smaller required chip real estate. As a result, the present invention enables lower-cost and higher-performance PLC systems.

Abstract: A short arc discharge lamp that includes: a body that includes a reflection surface and a front opening, the reflection surface is curved in a concave shape and includes a first reflection surface section having a shape along a first quadric surface of revolution and a second reflection surface section having a shape along a second quadric surface of revolution; a cathode and an anode opposed to each other in discharge space defined by the reflection surface; and a window member covering the front opening. The first reflection surface section has a focal point at a position between the cathode and the anode, and the second reflection surface section is continuous from the first reflection surface section, and has a focal point at a position displaced toward front from the focal point of the first reflection surface section.

Abstract: An optical printed circuit board includes a substrate, a first cladding layer, a core layer, and a second cladding layer. The first cladding layer is formed on the substrate and defines a receiving groove. The core layer is received in the receiving groove. The second cladding layer is formed on the core layer. The refractive index of the core layer is greater than that of the first cladding layer and that of the second cladding layer. The core layer includes a bottom surface, a first refractive surface, and a second refractive surface. An included angle between the bottom surface and the first refractive surface is about 135 degrees. An included angle between the bottom surface and the second refractive surface is about 135 degrees.

Abstract: A light-emitting element includes: a light source; a light guide member having a columnar shape and comprising a plurality of side surfaces containing a pair of parallel total reflection principal surfaces and other surfaces than the total reflection principal surfaces, an upper bottom surface disposed so that light from the light source reaches the total reflection principal surfaces, and a lower bottom surface disposed opposite to the upper bottom surface; clad portions provided on the other side surfaces of the light guide member than the total reflection principal surfaces, the clad portions having a smaller refractive index than that of the light guide member; and a light extraction portion provided on one part of the total reflection principal surfaces.

Abstract: A decorative part for use in vehicle interiors. The decorative part includes a haptic layer that is at least partially transparent; and a light source configured to feed light into the haptic layer.

Abstract: An LED lighting system comprises an LED assembly for emitting light. A bulb comprises an enclosure and an optic element in the enclosure for receiving the light from the LED assembly and transmitting the light from the enclosure. An Edison-style or other traditional-style base is provided on the bulb for connecting the bulb to an Edison-style or other traditional-style socket.

Abstract: Example light fixtures include one or more light transmitting illuminated rods that emit a series or array of discrete spots of light. Some example light fixtures disclosed herein include optical features that provide an intriguing, attention-getting affect that can be useful particularly in alerting personnel of certain conditions at a doorway of a truck loading dock. In some examples, the light transmitting rods are mechanically coupled to a housing that contains an LED light source. The mechanical coupling allows the illuminated rods to be readily replaced without disrupting with the operation or wiring of the light source. Some example light fixtures illuminate the cargo bay of a vehicle at the loading dock.

Abstract: The present invention relates to transmission and reception of data over a plastic optical fiber. In particular, the present invention provides for transmission and reception over the plastic optical fiber a particularly suitable frame structure. The frame structure includes a synchronization sequence and portions of user data alternating with alternating reference signal portions and control data portions. The length of the user data portions may be equal, the length of the synchronization sequence and the control data and reference signal portions may also be equal. The distances between the synchronization sequence and the reference signal portions and the control data portions are advantageously equal. The alternating of data and additional information avoids data decoding latency while maintaining the rate necessary for the additional information.

Abstract: A lighting device includes at least one space for receiving at least one functional element, the space being connected to at least one semipermeable transmission element and otherwise closed off in a sealed manner and the at least one transmission element being transmissive to air in both directions and non-transmissive to water, at least in the direction of the space.

Abstract: An LED tube includes a light guide, an LED and a reflector. The light guide includes a light incident face at an end thereof and a light emerging face adjacent to the light incident face. The reflector is mounted on an opposite end of the light guide. The reflector forms a light reflective face facing the light guide to reflect light backward into the light guide.

Abstract: A light-based touch-sensitive surface, including a housing, a surface attached to the housing for receiving touch input, a plurality of light sources in the housing for emitting light that crosses the surface, a plurality of light receivers in the housing for detecting the light emitted by the light sources, a curved lens adjacent to the surface through which the light emitted by the light sources passes, including two substantially similarly curved exterior panels, one of which forms a curved rim for the surface, and a calculating unit in said housing, connected to the light receivers, for calculating a touch location based on an absence of light expected to be received by the receivers.

Abstract: A light consolidation assembly for attaching to a light pipe includes a housing having therein at least a first light source configured to generate a first light and a second light source configured to generate a different, second light. The light consolidation assembly also includes a light consolidator having a body including a light entry end coupled to the housing and a light exit end. The light entry end has multiple spaced-apart branches that converge into a stem that extends from the multiple branches to the light exit end. The light consolidator is configured to receive the first and second lights into respective first and second branches of the multiple branches. The first and second lights are directed into the stem and exit the light consolidator at the light exit end for transmission through a light pipe disposed at the light exit end of the light consolidator.

Abstract: Generally, the present disclosure provides for a light duct sensor that can monitor an average light flux through light duct useful for architectural lighting. The present disclosure provides for a system that allows a minimally obtrusive sampling of the light in a duct. It samples a small fraction of a cross sectional area of a light duct that is distributed across potentially the entire cross sectional area, without creating a significant disturbance to the light.

Abstract: A laser readable surveying rod is provided with adjustable lighting elements. More specifically, lighting elements, such as LED lights are provided along a length of a surveying rod such that laser readings may be taken at night or in dark conditions. Lighting elements may be translated along a length of a rod, particularly where it is desirable to illuminate only a portion of a rod and conserve valuable energy.

Abstract: The present invention relates to a ceiling-mounted light fixture configured to be embedded in the ceiling. The ceiling-mounted light fixture comprises: a cylindrical light fixture body having a screw thread formed on the lower end of the outer surface thereof; a light source unit which is accommodated inside the light fixture body and which has a light-emitting element; and a ring-shaped cap which has a screw thread formed on the inner surface thereof to be coupled to the screw thread of the light fixture body. According to the present invention, a ceiling-mounted light fixture is provided, wherein the diameter of the cylinder of the light fixture is increased to achieve improved light distribution efficiency and enable easy assembly.

Abstract: An electronic incense-stick assembly includes a burning chamber, a number of electronic sticks simulating burning sticks, a wind speed sensor and a controller. The electronic sticks are arranged in the burning chamber. Each of the electronic sticks includes a light guide bar, a glowing end, and a light source. The light guide bar includes a first end and a second end away from the first end. The light source is positioned at the first end. The glowing head is positioned at the second end and simulates the glowing tip of an incense stick. The wind speed sensor is located on the exterior of the burning chamber, and senses changes in the wind speed outside the burning chamber. The controller adjusts the brightness of the light source according to the wind speed sensed by the wind speed sensor.

Abstract: A lighting device includes a housing having first and second housing parts to define a first receiving space there between, and a third housing part arranged on the second housing part to define an open gap. The third housing part defines with the second housing part a second receiving space in which a first light conductor is arranged. A plastic film strip is arranged between edges of the first and second housing parts and is transparent for light emitted by the first light conductor, with the emitted light being projected into one end face of the film strip and extracted from another end face of the film strip. The film strip is sized to terminate flush with the first and second housing parts. Arranged in the second receiving space is a second light conductor which emits light through the gap.

Abstract: An illumination system defined a primary optical axis is provided. The illumination system comprises a light source, a first lens group, an integrator rod, and a second lens group successively located on the primary optical axis. The light source is configured to output a light. The first lens group is configured to reduce an aperture angle of the light to about 27 degrees. The integrator rod is configured to make the light uniformly. The second lens group is configured to amplify an illumination field of the light and reduce the aperture angle of the light to about 3 degrees.

Abstract: An illumination apparatus includes: a light guide that is formed in a rod shape and includes a positioning portion that is formed at one end in a longitudinal direction, and light incident surfaces that are formed at two end faces in the longitudinal direction; and light sources that are arranged in the vicinity of the light incident surfaces, respectively, and that emit light that is incident on the incident surfaces. The light guide is formed by injection molding. A gate portion for supplying a resin material during injection molding opens at a position that corresponds to a tip face of the positioning portion.

Abstract: A compact, high-efficiency, high-power, solid state light source, comprising a high-power solid state light-emitting device, a light guide having a proximal light-receiving end proximate the light-emitting device and a distal light-transmitting end spaced farther from the light-emitting device, and a mechanical light guide fixing device coupled to the light guide near its proximal end, to hold the proximal end of the light guide in position near the light-emitting device.

Abstract: An electronic module (1) for a modular control device is described, in which a multiplicity of electronic modules (1) are connected to one another via a databus. The electronic module (1) has an insulating material housing (21), a printed circuit board (17) which has electronic components in the insulating material housing (21), a conductor connection plane (8) on an upper side (7) of the electronic module (1) having a multiplicity of conductor insertion openings (7) leading to conductor connections (13), and status displays (10) adjacent to the conductor connection plane (8) on the upper side of the electronic module (1).

Abstract: Disclosed is a plasma light source automated luminaire 12 employing a plasma microwave powered plasma light source 32 employed with a collimating light collector 38 together with other light modulating devices such as image gobos light color filters, iris, lenses beam.

Abstract: Disclosed is a passive illumination apparatus for improving the visibility of an optical fiber by projecting reflected light to passively illuminate an optical fiber for allowing the user improved visibility for inserting the optical fiber into an orifice. One embodiment of the concept uses a passive illumination apparatus having a pattern of one or more colors for reflectively transmitting chromatic light along with an optional contrast surface such as a gray or black stripe for providing a highly contrasting background for the user to view the optical fiber against. The ambient light is transmitted or directed from a reflective surface such as a concave curved region for passively illuminating the optical fiber. The passive illumination apparatus may be used on any suitable device such as a connector installation tool, a splicer, a stripper for an optical fiber coating or a cleaver as desired.

Abstract: An illumination device can be arranged along a contour of a component in a motor vehicle so that the contour of the component is recognizable in the dark as a bright strip. The illumination device allows producing a light strip along a predetermined distance. For this, the illumination device has a longitudinally shaped light conductor for distributing light along the distance and a coupling-in element which is connected to the light contour for coupling light into the light conductor. The light conductor is supported positionally fixed relative to the component in a region by means of a fixed-bearing device. The coupling in element on the other hand is supported by means of a floating-bearing device for movement relative to the component along at least one direction.

Abstract: A light source module optically coupled to an optical fiber which has a light incident surface is provided. The light source module includes a plurality of light sources and a concentrator. The light sources surround an axis, and the axis passes through a center of the light incident surface and is perpendicular to the light incident surface. Each of the light sources is capable of emitting a beam along a transmitting path toward the axis. The concentrator is disposed at the axis and includes a curvy reflective surface located on the transmitting paths for reflecting the beams to the light incident surface of the optical fiber.

Abstract: Provided is a light source apparatus including a plurality of semiconductor light sources that output beams of light having different wavelengths; a plurality of light collimating portions that convert the respective beams of light output from these light sources to collimated light beams; a combining portion that combines the plurality of collimated beams produced by these light collimating portions into a single light path; a light guide whose entrance end is disposed in the single light path; a focusing portion that focuses the collimated beams combined by the combining portion onto the entrance end; and a light-distribution-characteristics adjusting portion that adjusts beam diameters of the plurality of beams of light so that numerical apertures of the plurality of beams of light incident on the entrance end become substantially equal.

Abstract: A system and method that helps evacuees exit a residential structure in the event of an emergency such as a fire, earthquake, security breach or the like, by providing emergency illumination around the periphery of an exit door and/or an alternative safe exit portal together with floor/ground level illumination along the path to the portal, and by providing an audible tone or voice recording to guide occupants to the exit portal. Various forms of linear illuminators parallel to and near the floor of an interior room or hallway provide the floor-level identification and illumination of the exit route to be used in the event of emergency, with some linear illuminators having directional aspects along hallways to lead evacuees toward an exit, and other illuminators outlining the perimeter of portals that are safe to exit through, the illuminators normally being hardly noticeable but having controllers and energizers to light up the planned exit route when emergency conditions are detected.

Abstract: A backlight module includes a back cover, a light source located on the back cover, an optical fiber located on the back cover and over the light source and having a light-incident hole facing the light source and a plurality of light-emergent windows opposite to the light-incident hole. A plurality of light shutters correspondingly covers the light-emergent windows. A controlling device is provided for controlling the open and close of the light shutters. Light emitted from the light source and entering the optical fiber is permitted to leave the optical fiber from the light-emergent windows whose light shutters are opened. The light is not permitted to leave the optical fiber from the light-emergent windows whose light shutters are closed.

Abstract: A light guide (201) including a transparent element is presented. The transparent element includes an optical diverter section (204) including one or more reflective surfaces (205) forming walls of a notch (206) extending into the diverter section, where the reflective surfaces provide total reflections for directing light into directions lateral with respect to an arrival direction of the light. The transparent element includes an optical channel section (208) for receiving the light from a light source and for directing the light to the optical diverter section. The optical channel section includes a side surface (209) shaped to provide total reflections for directing light to the optical diverter section. The optical channel section makes it possible to place the light source a distance apart from the optical diverter section and also to prevent or at least to reduce direct propagation of light from the light source to the lateral directions.

Abstract: A light source module includes a light source and a light guiding pole. The light guiding pole is made of transparent material and has a light incident surface and at least one side surface connected to the light incident surface. The light source emits light rays, and faces the light incident surface. The light incident surface guides the light rays into the light guide pole, and the at least one side surface totally reflects the light rays. At least one slot is defined at the at least one side surface, and extends along a lengthwise direction of the light guiding pole. The at least one slot destroys the totally reflective path of a portion of the light rays arriving the at least one side surface, and thus the portion of the light rays emits from the at least one side surface.

Abstract: Lighting equipment for generating white light from blue or violet excitation light and converted emitted yellow light is provided. The excitation light is directed at an oblique angle towards a converter that is attached to a carrier device, without the emitted illumination light impinging on the carrier device.

Abstract: An illumination apparatus includes: a rod-like light guide member that directs light emitted from a first light source and a second light source from an emission surface to an illuminated body while propagating the light by reflection surfaces; and a light blocking member including a second surrounding portion slidably covering another end of the light guide member, wherein the second surrounding portion includes: a light blocking portion protruding toward one end of the light guide member and covering the emission surface of the light guide member; and a cut-out portion adjacent to the light blocking portion and exposing the reflection surface of the light guide member.

Abstract: According to one embodiment, a lighting device includes: a light emitting section that has a light emitting element; a light guide that is provided on a side of radiation of light of the light emitting section; and a reflection section that is provided in an end section of the light guide on the side opposite the side of the light emitting section and includes a through hole that exposes the light guide and a first reflection surface that is inclined in a direction in which a side of the light emitting section approaches a side of a center shaft of the light guide.

Abstract: A light source module includes an optical unit, which includes a light-emitting device, a light-guiding device and a light-converging structure. The light-guiding device has a light incident end, a light emitting end, a first curved surface connecting the light incident end and the light emitting end, and a side surface. The light-emitting device is disposed beside the light incident end. The section of the first curved surface by the side surface is a first curve. The section of the first curved surface by the reference plane perpendicular to the side surface is a second curve. The light-converging structure is disposed between the light-emitting device and the light incident end and has a first arc-convex surface and two second convex surfaces, in which the first arc-convex surface and the second convex surfaces are arranged along a direction parallel to the side-surface.

Abstract: An object has fiber optics or other light emitting portion, the operation of which is triggered by temperature, sound, fingerprint or motion. In preferred embodiments the light emitting portion cooperates with a non-light emitting portion to enhance the ornamental design, and in especially preferred embodiments a portion of the ornamental design appears to be moving by virtue of triggering of different bundles of fiber optics.

Abstract: Provided is a light source apparatus that includes light emitting tube (21), light pipe (23) which has incident surface (23a) into which light from light emitting tube (21) enters and which has exit surface (23b) from which light that has entered incident surface (23a) is subjected to multiplex reflection to be output, lens (25) into which the light output from exit surface (23b) enters, first parabolic reflection mirror (26) that reflects a part of the light that is output from exit surface (23b) and that does not enter lens (25), and second parabolic reflection mirror (27) which makes the light reflected by first parabolic reflection mirror (26) enter incident surface (23a).