Abstract: The invention relates to a heat sink for a light source, in particular an LED light source, said heat sink comprising an annular outer body and a central body which is formed by a separate element and is arranged in a central opening of the outer body.

Abstract: In various embodiments, an illumination apparatus includes an air gap between a sub-assembly and a waveguide attached thereto at a plurality of discrete attachment points, as well as a bare-die light-emitting diode encapsulated by the waveguide.

Abstract: A backlight assembly includes; a light source including a light emitting surface through which a light exits and an optical member including a first surface disposed adjacent to the light source and a second surface disposed substantially opposite to the first surface, wherein the optical member covers the light source and guides the light therethrough, wherein the optical member includes; an incident surface to which the light is incident, the incident surface being connected with the first surface corresponding to the light source, an optical pattern disposed on the second surface and corresponding to the light source, the optical pattern reflecting a first light of the light incident through the incident surface through total internal reflection and a light guide pattern disposed on the first surface, wherein the light guide pattern directs the reflected first light to an exterior of the optical member.

Abstract: A two-component light fixture that includes a passive component and an active component is disclosed. In some embodiments, the active component is recessed within a ceiling or wall and the passive component is positioned below the active component. The active component emits light towards the passive component, which includes an optical element that can redirect the light by scattering, reflection, refraction, diffusion, total internal reflection and/or dispersion.

Abstract: The fabrication costs is suppressed to a lower level by simplifying fabrication steps, and a high-performance optical device, a fabrication method of this optical device and a projector including the optical device are provided. An optical device is an optical device in which an optical component is fixed to a base member via spacers by screws and the spacers are inserted in at least either of a first space defined between the optical component and the base member and a second space defined between the base member and head portions of the screws, and a total thickness of the spacers is made constant.

Abstract: A decorative lighting fixture includes a frame, a light source, a sheer layer, a coating, and a plurality of light bending particles. The frame has at least a structural element adapted to form a three dimensional shape that includes an interior and an exterior. The light source is positioned within the frame or may be external. The sheer layer extends over at least a portion of the frame so light from the light source passes through at least a portion of the sheer layer as it exits or enters the fixture. A coating is located on at least a portion of an external and/or internal surface of the fixture. The light bending particles are coupled to the coating such that light colliding with the light bending particles is altered to create a desired visual effect. Methods for making the decorative lighting fixture are also provided.

Abstract: A light source system comprising an illumination component, a color wheel and a light uniformization module is provided. The illumination component is disposed on a first axis to provide light beams. The color wheel defines a second axis to rotate thereabout, wherein the second axis is deflected from the first axis by an angle. The light beams provided from the illumination component are substantially focused at the first axis and onto the color wheel. The light uniformization module is disposed on the first axis after the color wheel to receive a portion of the light beams and uniformize the light beams to travel along the first axis.

Abstract: A light source device is provided, which includes: a hold member; a light source held by the hold member; an optical element held by the hold member; and a hardened first adhesive agent bonding at least one of the light source and the optical element to the holding member. The hardened first adhesive agent has elasticity.

Abstract: Systems and methods that incorporate a variable liquid lens are disclosed. In at least some embodiments, a light projecting system includes a light source, and a light processing assembly configured to receive a light beam from the light source and to project an output field. The light processing assembly includes at least one liquid lens configured to controllably process the light beam such that the output field is variable between a relatively-broader illuminating field and a relatively-narrower targeting field. In some embodiments, a controller may controllably adjust the at least one liquid lens to alternately provide the illuminating field and the targeting field, and may controllably adjust at least one dwell time to adjust a brightness of at least one of the illuminating and targeting fields, respectively.

Abstract: High voltage array light emitting devices, fixtures and methods are disclosed. In one embodiment a light emitting device can include a submount, a light emission area disposed over the submount and a retention material adapted to be dispensed about the light emission area. The light emitting device can be operable at high voltages which are greater than approximately 40 volts (V). In one aspect, the retention material can be least partially disposed within the light emission area such that the retention material physically separates a first section of the light emission area from a second section of the light emission area.

Abstract: An optical device may include a substrate, a metal layer on the substrate, at least one first nano-structure in the layer, and at least one second nano-structure in the layer. The at least one first nano-structure may include a light source. The at least one first and second nano-structures may be spaced apart. A method of controlling a propagation direction of light output from an optical device that includes a metal layer on a substrate may include disposing first and second nano-structures in the layer; disposing at least one light source in the first nano-structure; and controlling the propagation direction of the light output from the at least one light source by changing at least one of a shape of the first nano-structure, a shape of the second nano-structure, a size of the first nano-structure, a size of the second nano-structure, and an interval between the first and second nano-structures.

Abstract: A display element and a display device in which the display element is mounted. The display may be a variable message sign. The sign includes a tube-like housing in which lenses and apertures can be disposed. The light exiting a light source is emitted via an emitting surface, by way of which an illuminated traffic sign results from interacting with further display elements. The light source and the optical elements are disposed at different heights in the horizontally oriented housing. The optical axes can thereby extend horizontally, or the optical elements can lie on a main axis which is tilted downward in an radiation direction. In both cases, sunlight impinging from above at an angle advantageously falls on the LED to a slight degree, by way of which the phantom light phenomenon is minimized.

Abstract: An image display device comprises a light-emitting unit (1), an optical fiber (2) which transmits light emitted from the light-emitting unit, and a plurality of spheres (3) disposed so as to be coupled to the optical fiber (2) by evanescent coupling and having optical transparency. Each of the spheres (3) produces an optical mode in which light entering each sphere from the optical fiber (2) by the evanescent coupling is confined inside, and are so formed that predetermined resonant frequencies of the spheres for producing the optical mode are different from one another, so that an image is displayed by the light emitted from the spheres (3). This provides a simply structured image display device having a high response speed and capable of achieving power saving, a high luminance, a wide view angle, and a high contrast.

Abstract: A narrow angle LED illuminated spotlight in which the light-emitting output of an LED light source is coupled with an optic element, in the form of a focusing reflector or focusing lens, and a masking element is interposed between the light source and the optic element to partially mask off the output area of the light source and significantly reduce the area of the emitted light reaching the optic element. This enables the light passed by the masking element to be concentrated into a, narrow beam (i.e., 18° or less) using an optic element of much smaller size than otherwise, thus making the use of an LED light source module a practical source of light for narrow beam spotlights.

Abstract: A solid state light source module having a compact, thermally enhanced substrate with one or more recessed pockets, is provided. The module includes a solid state light source and an electrical connection for the solid state light source, such that it is able to receive power so as to generate light. The solid state light source is connected to a substrate having an upper surface and a lower surface. The substrate includes a recessed pocket in the upper surface, defined by a wall and a floor that are at least large enough to accommodate the solid state light source; thus, the solid state light source sits within the recessed pocket. This allows the module to be substantially flat, even with an attached optical system, even utilizing remote phosphor technology, and increases the amount of heat dissipated by a thermal management system that is part of, or connected to, the module.

Abstract: A mobile terminal and method of controlling a display device are provided. The present invention includes a display unit displaying information and a control unit controlling the display of the information according to whether luminescence conversion is performed, the luminescence conversion converting a plane luminescence of the display unit to a plurality of dot luminescences. A user can be provided with a substantially analog type information display as well as a digital type information display by loading the luminescence converting unit, such as a plate having a plurality of holes and a semitransparent film, on a display unit of a mobile terminal or by displaying an image having a configuration of the plate.

Abstract: According to embodiments of the present invention, a flameless candle is claimed, depicted, and described. The candle has a hollow interior region, an inner surface having an radius, and an outer surface having an outer radius. The candle also has a riser located within the hollow interior region. A lamp (e.g., LED) is also located in the interior region and above the riser. A light shield is located within the hollow interior region. The light shield is below the lamp and has an outer bound with a radius. The light shield also has a sloped portion. The light shield may have a reflector. The radius of the outer bound of the light shield is less than the radius of the inner surface of the candle shell. The sloped portion of the light shield slopes downwardly towards the outer bound.

Abstract: A system for re-distributing light emitted from a light source using an optical element is described. The optical element is manufactured using a bulk matrix material, and diffusing particles and/or scattering particles are embedded within the bulk material. The optical element is coupled to the light source to capture emitted light and redistribute the light in a desired angular distribution pattern depending on the ratio of total weight of diffusing particles to total weight of scattering particles.

Abstract: A light emitting device includes a light emitting module and a complex lens, which is disposed on the light emitting module and includes first to fourth lens portions. A first group of light beams emitted from the light emitting module and outputted from the first lens portion travels through the first lens portion with total internal reflection, a second group of light beams emitted from the light emitting module and outputted from the fourth lens portion travels through the second, third and fourth lens portions with total internal reflection, a third group of light beams emitted from the light emitting module and outputted from the fourth lens portion travels through the third and fourth lens portions with total internal reflection, and a fourth group of light beams emitted from the light emitting module is outputted from the fourth lens portion.

Abstract: There is provided a glass composition containing an oxide containing Lu, Si, and Al, in which the composition of the glass composition lies within a compositional region of a ternary composition diagram of Lu, Si, and Al in terms of cation percent, the compositional region being defined by the following six points: (32.3% Lu03/2, 30.0% SiO2, 37.7% AlO3/2), (32.3% Lu03/2, 37.7% SiO2, 30.0% AlO3/2), (20.8% Lu03/2, 55.0% SiO2, 24.2% AlO3/2), (10.0% Lu03/2, 45.0% SiO2, 45.0% AlO3/2), (20.8% Lu03/2, 24.2% SiO2, 55.0% AlO3/2), and (30.0% Lu03/2, 25.0% SiO2, 45.0% AlO3/2). For the glass composition, a glassy state having low or no intrinsic birefringence in the ultraviolet region is stably obtained.

Abstract: A variety of methods and systems are described that relate to reducing optical noise. In at least one embodiment, the method includes, emitting a first light having a selected wavelength from a light source, receiving a reflected first light onto a phosphor-based layer positioned inside a receiver, the reflected first light being at least some of the emitted first light that has been reflected by an object positioned outside of a desired target location. The method further includes, shifting the wavelength of the received reflected first light due to an interaction between the received reflected first light and the phosphor-based layer, and passing the received reflected first light with respect to which the wavelength has been shifted through a light detector without detection.

Abstract: An electronic apparatus of the present invention includes a first case 1 including a keyboard 5 and a signal processing portion, a second case 2 including a liquid crystal display 21 that is capable of displaying visible information obtained by converting an input signal into a visible information signal in the signal processing portion, hinges 3 for rotatably supporting the first case 1 and the second case 2, and light source bodies 11, 12 that are capable of illuminating the keyboard 5 and located at both ends of the second case 2 in the axial direction of the hinges 3. With this configuration, the electronic apparatus can not only illuminate the input portion but also prevent light from entering the eyes of a user directly, thereby making it possible for the user to perform the input operation properly in a dark place.

Abstract: A pixel shifting unit moves the relative position between the luminous flux entering an image pickup device and the device to a plurality of predetermined positions in a predetermined order. A control unit controls the device, and allows the image of a subject image formed by the luminous flux on the photoreception surface of the device when the relative position is in any of the plurality of predetermined positions. A combination unit combines the plurality of obtained images to generate a high-resolution image. A prediction unit predicts a shooting environment when the device hereafter shoots an image of the subject image on the basis of a change of at least two images. A setting control unit controls a setting of a shooting condition when the image of the subject image is shot on the basis of a result of the prediction of the shooting environment.

Abstract: A searchlight is provided featuring a bezel pull-in retention assembly having a frame and a housing. The frame has a back plate configured with at least one opening to receive a fastening device. The housing is configured with a front end opening for receiving the frame, configured with a back end opening having an outer rim for receiving a seal plate, the seal plate configured to be adapted in the rim of the back end opening, to receive the fastening device and to fixedly couple the frame to the housing.

Abstract: The core of this invention is to replace lamp cups with recycled metal cans (after pretreatment processes) as a good heat sink of the LED lamps. The heat sink adheres to the lamp bases, LED circuit boards and lamp covers through advanced technology, thereby producing a variety of LED lamps. As a result, the invention achieves a complete metal construction of LED lamps which not only improves the thermal performance of LED lamps but also develops a low-carbon, environmentally friendly and economical way of metal containers recycling. Consequently, these improved LED lamps are suited to be widely used for the purpose of illumination or decoration. A semi-knocked-down DIY kit for end users to assemble such improved thermal performance LED lamp and the method of making it are provided herein.

Abstract: A lighting device of a motor vehicle includes a light guide having a closed configuration at least as seen from a top view. The light guide includes two sections which cross each other at a crossover. A first light source is linked to one end of the light guide to project light into the light guide. Arranged at the crossover is an adapter for adjusting a light intensity, measurable in a direction in opposition to the top view, to a light intensity of another section of the light guide in a region of the crossover.

Abstract: In one embodiment, the invention relates to an apparatus for increasing the repetition rate in a light source. The apparatus includes a first optical coupler comprising a first arm, a second arm and a third arm; a first mirror in optical communication with the second arm of the first optical coupler; and a first optical delay line having a first end in optical communication with the third arm of the first optical coupler and a second end in optical communication with a second mirror, wherein light entering the first arm of the first optical coupler leaves the first arm of the first optical coupler either delayed by an amount (?) or substantially undelayed.

Abstract: A light signal transmitter and a light receiver for an optical sensor may be used for an industrial automation system. The light signal transmitter has a semiconductor-based light source for generating light. The semiconductor-based light source is disposed in an installation space between outer layers of a multi-layer circuit board. The light emission direction of the semiconductor-based light source is oriented substantially parallel to the layers of the printed circuit board. A deflection unit deflects the light emitted by the semiconductor-based light source in a direction substantially perpendicular to the layers of the printed circuit board. In the case of the light receiver, a light sensor is provided in place of the light source. Such optical sensors can be designed in a particularly flat and installation-friendly manner.

Abstract: A tubeless light-emitting diode (LED) based lighting device includes at least one base, at least one LED lighting module, and at least one control circuit. The base includes a heat dissipation body. The LED lighting module is mounted to the base so that the base provides the LED lighting module with the functions of retention and heat dissipation. The control circuit is mounted to the base and is electrically connected to power wiring of the LED lighting module for ON/OFF switching of the LED lighting module and supplying of operation power. As such, a tubeless lighting device that emits light in a power saving manner and is constructed in a volume reduced manner is provided.

Abstract: An optical sensor assembly is disclosed. The optical sensor assembly includes an illumination system that segments light emitted by a light source into multiple segments. The multiple segments are allowed to travel different optical paths on their way to a common target area and are further allowed to irradiate different portions of the common target area. This enables a low-profile optical sensor assembly to be achieved.

Abstract: A surface light-emitting unit of the present invention is an LED module (30) for emitting light from an LED chip (6) of a light-emitting element part (1) via a light flux control section (22) of a light flux control part (2), the light flux control section (22) being fixed by a plurality of columnar sections (21) above a fixing surface of a substrate (4) on which fixing surface the light-emitting element part (1)is fixed. This provides an appropriate gap between the light-emitting element part (1) and the light flux control section (22) for heat release.

Abstract: The present invention includes an LED lighting fixture containing: a housing insert electronically communicating with the light fixture; and one or more LED modules electronically communicating with the housing insert upon receipt of direct current power from the housing insert. One or more LED modules are removably seated within the housing insert for ready replacement of the LED modules while conserving unnecessary waste by preserving the continued use of the housing insert.

Abstract: A lamp comprises a base, at least one light source arranged on the base, a cover positioned on the base and covering the light source, and a structured film arranged adjacent to the light source. The structured film has at least one micro structure configured for guiding part of the light backward emitted from the light source.

Abstract: A motion detector system includes the ability to detect motion through the use of a Doppler radar sensor or a combination of PIR sensors and a Doppler radar sensor. The system includes an outdoor light fixture having one or more lamps and a housing coupled to the outdoor light fixture. The housing includes a Doppler radar sensor and a microprocessor for analyzing the signals received by the Doppler radar sensor. Alternatively, the housing includes a combination of PIR sensors and a Doppler radar sensor and a microprocessor for analyzing the signals received from these sensors. The lamps in the light fixture are activated when either the PIR sensor or the Doppler radar sensor generates a signal indicating motion within the monitored area. Alternatively, the lamps can be activated when either the PIR sensor or the Doppler radar sensor senses predetermined number of motion activities over a limited time period.

Abstract: The present invention relates to an encoding device, such as an optical position encoder, for encoding input from an object, and a method for encoding input from an object, for determining a position of an object that interferes with light of the device. The encoding device comprises a light source, a waveguide, a number of redirecting structures, and a detector. By means of the waveguide and the number of redirecting structures, light from the light source is guided towards the detector along a path that includes traversing an area in a space next to the planar waveguide. An object may be positioned in the area in the space and may interfere with the light, which interference may be encoded into a position or activation.

Abstract: A system for creating illumination art includes a directional light source unit, prisms, and suspensions/supports for suspending or supporting the prisms between the light source and a surface onto which light from the light source is projected, such that the crystals appear to float in the image projected onto the surface. The light source may be an incandescent or LED source, and the prisms may be Swarovski® Strass® lead crystals. The prisms, suspensions/supports, light source unit, and/or other elements of the system may be provided in kit form.

Abstract: A display device includes a light source, a first light emitting portion, a second light emitting portion, a light modulating portion and a light focusing portion. The first light emitting portion is disposed in a display area and emits a light that is provided by the light source and has a first luminous state. The second light emitting portion is disposed adjacent to the first light emitting portion in the display area and emits a light that is provided by the light source and has a second luminous state different from the first luminous state. The light modulating portion modulates a state of the light emitted from the light source into the first luminous state. The light focusing portion focuses the light modulated by the light modulating portion on the first light emitting portion.

Abstract: An LED module includes a printed circuit board, an LED mounted on the printed circuit board, and a lens fixed on the printed circuit board and covering the LED for refracting light emitted by the LED. The lens has a concaved inner face for incidence of the light and an opposite convex outer face for the light refracting out thereof. The inner and outer faces are both spherical. A curvature of the inner face is smaller than that of the outer face.

Abstract: A lighting system for an indoor room or space is designed to provide a diffuse, glare free source that illuminates the room from the cornice, or a similar location around the join between the walls and ceiling. This may be achieved via a direct source of illumination at the cornice location, or by projecting illumination from a remote source. The lighting system is further designed to allow for illumination of certain areas of the cornice, and hence the room, whilst leaving other parts dark. There are multiple advantages of an adaptable system such as this, but in particular the lighting conditions can be adjusted for optimum lighting levels, for example dimming selected areas when viewing a television.

Abstract: Provided is a lens. The lens may include a lens body having a convex top surface having a first recessed part at a central portion thereof and a flat surface at a circumference thereof and a flat bottom surface having a second recessed part at a central portion thereof, and a plurality of lens supports on the bottom surface of the lens body.

Abstract: The disclosed pan-tilt spotlight is a sealed, remote controlled unit which allows continuous 360° rotation (pan) of visible or infrared (IR) light sources as well as vertical (tilt) aiming of the light sources 65° above horizontal and 25° below horizontal. The light sources are solid state (LEDs) which are energy efficient and extremely durable in the field, requiring little maintenance. Light shields are employed to control stray light, thereby enhancing the stealth of the spotlight in covert operations. The rotating parts of the spotlight are supported at several locations spaced from the axis of rotation in a manner that re-directs forces that would otherwise be carried by the shaft. Temperature sensitive current regulators and robust thermal design protect the LEDs from heat damage. Sophisticated motor control allows fast and precise positioning of the light beam and worm final drive gears keep the light beam in position.

Abstract: An aim is to provide a light source device that can be assembled more easily than conventional light source devices. A light source device 100 comprises a light emitting module 150, a mount 140, a lighting unit 110, and a case 120, wherein the lighting unit 110 has a pair of pin terminals 112a and 112b, each of the mount 140 and a substrate 151 of the light emitting module 150 has a pair of through-holes 154a and 154b, and a pair of feed terminals 153a and 153b are disposed at positions of the substrate 151 corresponding to the through-holes 154a and 154b, the pair of pin terminals 112a and 112b being electrically connected to the pair of feed terminals 153a and 153b by penetrating through the through-holes 154a and 154b of the mount 140 and the substrate 151.

Abstract: Disclosed is a light-emitting element comprises a substrate; a light-emitting stack layer disposed on the substrate; wherein the light-emitting stack layer comprises a first semiconductor layer, a first active layer disposed on the first semiconductor layer, a magnetic film layer disposed on the first active layer, a second active layer disposed on the magnetic film layer, and a second semiconductor layer disposed on the second active layer.

Abstract: A variable wavelength generating method and an apparatus thereof, for use in measuring a body fluid constituent concentration. The apparatus includes: a thermo-electric cooler (TEC) whose temperature is varied depending on a change in a supplied current; a light source section generating a wavelength that is varied depending on a temperature change of the thermo-electric cooler; a current supply control section controlling a current supplied to the TEC; an operation power source generation section supplying an operation power source for performing synchronization so that an operation of the light source section may be performed; and a controller for adjusting a current flowing in the TEC adjusting the operation power source supplied to the light source section.

Abstract: The present invention relates to a light-emitting diode (LED) streetlight structure, which comprises a light-emitting module, a power module, and a lamppost. The light-emitting module is disposed on one side of the power module; the lamppost is disposed on the other side of the power module and corresponds to the light-emitting module. The light-emitting module comprises a light-emitting device and a heat-dissipating base for the light-emitting apparatus to be disposed on. The light-emitting apparatus includes a plurality of light-emitting diodes (LEDs) and a plurality of protection devices connected electrically with the plurality of LEDs. The plurality of protection devices are used for protecting the corresponding plurality of LEDs for preventing the situation when the light-emitting apparatus is failed caused by the damage of one of the plurality of LEDs.

Abstract: The invention relates to an arrangement for generating light effects, particularly for decorative purposes, having a light source (10) and a textile web material (12) that can be illuminated by through light from the light source (10) toward a visible side (16) or by incident light. According to the invention, the textile web material (12) comprises a two-layer weave structure made of warp threads (18) forming a warp thread layer (26) and weft threads (20) forming a weft thread layer (24) contacting the warp thread layer (26) on one side.

Abstract: Disclosed are a light emitting device, a method of manufacturing the same, a light emitting device package, and an illumination system. The light emitting device includes a transmissive substrate, an ohmic layer on the transmissive substrate, a light emitting structure on the ohmic layer and including a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer between the first and second semiconductor layers, a electrode layer on a bottom surface of the transmissive substrate, and a conductive via electrically connecting the light emitting structure with the electrode layer through the transmissive substrate wherein an area of the transmissive substrate is increased toward an upper portion thereof from a lower portion.

Abstract: An electronic device includes a case, a multi-directional input unit having an annular base and a flange that extends from an outer circumferential surface of the annular base and fits part of the case, the flange guiding light emitted from a light source and radiating the light; and a cover having a through-hole through which part of the multi-directional input unit passes, the cover abutting the flange and being secured to the case.

Abstract: A headlamp of an embodiment of this invention includes a laser element, a light emitting section, and a parabolic mirror. A part of the parabolic mirror is provided so as to face an upper surface of the light emitting section, which upper surface has a larger area than that of a side surface of the light emitting section. The light emitting section emits fluorescence in such a manner that distribution of the fluorescence corresponds to the Lambertian distribution.

Abstract: A modular radiation integrator assembly including a radiation source that emits radiation, a first integrator module including a first input port and a first output port, an adjust tube configured to partially receive the first integrator module and engage the radiation source in a manner such that the radiation emitted by the radiation source travels to and enters the first input port, and a second integrator module including a second input port and second output port, the second integrator module couplable to the first integrator module outside the adjust tube in a manner such that the radiation exits the first output port and enters the second input port.