Abstract: A light source, for example a light emitting diode, can emit light and have an associated optical axis. The source can be deployed in applications where it is desirable to have illumination biased laterally relative to the optical axis, such as in a street luminaire where directing light towards a street is beneficial. The source can be coupled to an optic that comprises a cavity. At least a portion of the cavity can have an outline that is egg-shaped in cross section. A backside of the cavity (or a backside portion of the optic) can have an irregular shape for receiving the light emitting diode, for example to form a receptacle shaped to fit a circuit board on which the light emitting diode is mounted.

Abstract: A light source apparatus includes a primary light source that emits primary light, a diffusing member that diffuses and converts the primary light into diffused light, a reflection portion that regularly reflects or diffuse-reflects and converts the diffused light into reflected light, and an emission portion that emits the reflected light to an outside. A portion of the primary light is converted in an order of the diffused light and the reflected light and emitted to the outside from the emission portion in a state of the reflected light.

Abstract: An optoelectronic device includes at least one luminescence diode chip which emits electromagnetic radiation during operation of the optoelectronic device, and at least one shield against stray radiation which laterally surrounds the luminescence diode chip only in places, wherein each shield is integral with a component of the optoelectronic device.

Abstract: A light source system for detecting oral cavity has an illumination module and a filter module. A spectral range of light is illuminated from the illumination module and filtered through the filter module. When light of such spectral range is irradiated onto a diagnostic area, high chromatic difference and contrast existing between areas with pathological change and normal areas is employed to enhance correctness of diagnoses and operations.

Abstract: Disclosed is a lighting device which comprises: an optical member comprising a protruding optical pattern forming a gap with an adjacent layer; at least one light emitting unit inserted into the optical member; and a resin layer formed on the optical member and the at least one light emitting unit, whereby it is possible to obtain an effect that the shapes of light change depending on the viewing angle when viewing the light source by producing various protruding optical patterns, an effect that the whole thickness can be reduced, and an effect that the degree of design freedom can be enhanced when designing products thanks to an enhanced flexibility.

Abstract: A solid state lighting device comprising at least one first light emitter that emits non-saturated non-white light of a first color point, at least one second light emitter that emits saturated non-white light, and a controller configured to control a ratio of light emitted by the first emitter(s) and by the second light emitter(s) to provide non-white light of a second color point. Also, a solid state lighting device comprising at least one first light emitter that emits light within a first area or a second area on a Chromaticity Diagram, and at least one second light emitter, wherein output light is non-white and has a second color point. Also, methods of providing non-white light.

Abstract: An electronic device enclosure includes a front bezel defining a first slot and a second slot; and a light assembly secured to the front bezel and including a lamp duct, a light guiding board, and one or more LED lamps. The lamp duct and the light guiding board are secured to the front bezel. The lamp is secured to the lamp duct. The light guiding board includes a light guiding rib aligned with the first slot. The lamp emits light or different lights according to the volume and different types of media played by the electronic device light.

Abstract: In various embodiments, an illumination device includes a housing, a power connector for connecting the illumination device to a power socket and receiving input power, a light emitter for direct illumination disposed within the housing, a circuit for regulating the input power and providing the regulated power to the light emitter, and a decorative illumination element for providing decorative illumination.

Abstract: LED components are described having primary optics provide improved LED component emission characteristics. Light fixtures are also described that utilize the LED components to provide improved light fixture emissions. One LED component according to the present invention comprises an LED chip emitting an LED chip emission pattern. A primary optic is included directly on the LED chip with LED light from the LED chip passing through the primary optic. The primary optic shapes the LED emission pattern into an LED component emission pattern with the LED component emission pattern being broader than the LED chip emission pattern.

Abstract: Provided is a lens. The lens includes a lens body including 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, wherein a ratio of a maximum depth (a) of the first recessed part, from the top surface of the lens body to a bottom surface of the first recessed part, to a maximum thickness (h) of the lens body, from the top surface of the lens body to the bottom surface of the lens body, ranges from 0.06 to 0.1.

Abstract: A light emitting apparatus includes at least a light emitting module, and the light emitting module comprises a supporting element, a flexible circuit board and at least a light emitting element. The supporting element has a first surface and a second surface which are opposite to each other. The flexible circuit board includes a first light emitting portion and at least an electrical connection portion. The light emitting portion is disposed on the first surface of the supporting element, and the electrical connection portion is bent to the side of the second surface of the supporting element. The light emitting element is disposed at the light emitting portion.

Abstract: This is directed to a luminaire having a removable inner accessory and optical component. A luminaire can include a base and an outer accessory through which light generated by a light source placed in the base is transmitted. To customize the light emitted by the luminaire, an inner accessory having an optical component can be placed within the outer accessory. The optical component can be tuned to provide a light pattern corresponding to an environment in which the luminaire is placed. Because all of the components used to create the luminaire, other than the optical component, are standard, the luminaire can be easily constructed with a default optical component, but also easily customized at a minimal cost. In addition, the optical component can be recessed relative to the outer accessory to improve optical performance of the luminaire.

Abstract: An optical assembly comprises a light emitting panel having a light output surface and a light redirecting film located to receive light emitted from the light output surface. The light output surface has a non-uniform directional light output distribution. The light redirecting film has a pattern of individual optical elements of well defined shape that vary at different locations on the light redirecting film to redistribute the light received from the light output surface within a desired light ray angle distribution.

Abstract: The present invention is an articulating hand power tool which in one embodiment includes a main housing extending along a longitudinal axis, a head portion including a head housing configured to articulate with a main housing along a plane in which the longitudinal axis lies, a motor positioned within the main housing, and a lighting assembly including (i) an elongated housing portion operably connected to the head portion, and (ii) an elongated lens enclosing the elongated housing.

Abstract: An object of the present invention is to realize the suppression of uneven brightness at low cost in a lighting device. A backlight unit 12 according to the present invention includes: LEDs 17 as a light source; a chassis 14 including a bottom plate 14a disposed on a side opposite to a light output side with respect to the LEDs 17 and housing the LEDs 17; and a first reflection sheet 22 reflecting light including a square-shaped bottom portion 24 disposed along the bottom plate 14a, and at least two rising portions 25 and 26 rising from at least two adjacent sides of the bottom portion 24 toward the light output side such that a seam J is formed between adjacent side edges 25a and 26a. An overhang portion 28 is formed on the side edge 25a of the first rising portion 25 of the at least two rising portions 25 and 26. The overhang portion 28 overhangs beyond the seam J in a direction from the bottom portion 24 to the second rising portion 26.

Abstract: This is directed to a lens for use with a LED light source. The lens can be placed on a top surface of a light fixture to direct light emitted by a LED module at a wide angle relative to the top surface of the fixture. The lens can include an elongated trench in which several LED light sources can be placed in a line such that light emitted within the trench is re-directed by the lens. The lens can include one or more knobs extending over the trench to facilitate diverting emitted light in a more lateral direction, as opposed to vertical direction. In some cases, the lens can be constructed using an extrusion process by which a lens having a constant cross-section allowing for a wide angle radiation pattern is provided.

Abstract: A light emitting device comprising a light guiding frame and a light source is provided. The light guiding frame has a recess, and an edge of an opening of the recess defines a light-emitting opening. The light guiding frame comprises a first light guiding structure and a second light guiding structure connected to the first light guiding structure. The light source is disposed on a bottom of the recess and has a light-emitting surface. The first light guiding structure is extended along a direction away from the light-emitting surface and the light-emitting opening. The second light guiding structure is extended along a direction away from the light-emitting surface but close to the opening.

Abstract: The invention relates to an LED light tube and a circuit module for the same, wherein the circuit is located in a light tube body and includes a rectifying unit, a current regulating and voltage regulating unit, and an LED unit. The light tube body can be installed in a lamp-holder of a fluorescent tube without changing a starter and a ballast. The rectifying unit has two power terminals connected to electrodes of the light tube body for receiving a mains power and the rectifying unit via the electrodes. The rectifying unit converts the mains power to a sign wave DC voltage. The current regulating and voltage regulating unit is connected to the rectifying unit for converting the mains power to a working power. The LED unit is electrically connected to the current regulating and voltage regulating unit for receiving the working power to emit light.

Abstract: An electrical interface module (EIM) is provided between an LED illumination device and a light fixture. The EIM includes an arrangement of contacts that are adapted to be coupled to an LED illumination device and a second arrangement of contacts that are adapted to be coupled to the light fixture and may include a power converter. Additionally, an LED selection module may be included to selectively turn on or off LEDs. A communication port may be included to transmit information associated with the LED illumination device, such as identification, indication of lifetime, flux, etc. The lifetime of the LED illumination device may be measured and communicated, e.g., by an RF signal, IR signal, wired signal or by controlling the light output of the LED illumination device. An optic that is replaceably mounted to the LED illumination device may include, e.g., a flux sensor that is connected to the electrical interface.

Abstract: An organic light emitting element includes an organic light emitting diode formed on a substrate, coupled to a transistor including a gate, a source and a drain and including a first electrode, an organic thin film layer and a second electrode; a photo diode formed on the substrate and having a semiconductor layer including a high-concentration P doping region, a low-concentration P doping region, an intrinsic region and a high-concentration N doping region; and a controller that controls luminance of light emitted from the organic light emitting diode, to a constant level by controlling a voltage applied to the first electrode and the second electrode according to the voltage outputted from the photo diode.

Abstract: The present invention discloses an LED lamp which has a light guide with a total internal reflection (TIR) surface. A light modification layer comprising either a pure component or a mixture of the component selected from a group consisted of a yellow phosphor, a red phosphor, a green phosphor, a blue phosphor, and a reflective material is optionally adopted. The light beam is modified by the light modification layer before going out of the lamp. A blue light is one of the candidates which can be adopted as the light source.

Abstract: An electrical connector assembly, comprising an electrical conductor a housing enclosing a portion of the conductor, the housing having a terminal end; a connector connected to the conductor and the housing, the connector extending along a longitudinal axis from the terminal end of the housing, the connector having a terminal surface spaced from the housing, a light emitter within the housing, and a light guide within the housing to direct light from the light emitter to exit the housing from the terminal end to substantially illuminate the connector along the longitudinal axis.

Abstract: A laser projection system including a projection screen and a laser projector is revealed. The projection screen includes at least one light emitting layer having at least one luminescent material that is excited by excitation light with a specific wavelength range to generate excited light with another wavelength range. The laser projector consists of a laser light source module, a laser signal modulation module, a rotation plane mirror module, a rotation plane mirror control module, and a signal conversion module. The laser projector produces excitation laser according to an image signal of a static image or dynamic image and projects the laser to the projection screen correspondingly for an image displayed. Thus a projected image with high recognition is displayed on the projection screen in a transparent manner in natural sunlight. Therefore efficiency and application of the laser projection are improved.

Abstract: Light modulation devices are provided. At least one Low Frequency Oscillator (LFO) is used to create an oscillating signal used to drive an intensity parameter, a color parameter or both in a light modulator. The oscillating signal may be mixed with a base signal. The modulated signal driving either of the intensity or color parameters may be simple or complex. Systems having a plurality of light projection devices, each associated with a corresponding light modulation device, are also provided. Such Light modulation systems may be used for a variety of applications.

Abstract: The luminaire includes a light emitting diode (LED) module that includes a heat sink with an outer wall defining a top cavity and a bottom cavity and a mounting flange generally positioned along the bottom of the outer wall. A LED light source is positioned within the bottom cavity and in thermal communication with the heat sink. The bottom surface of the mounting flange includes one or more alignment features or keys extending out from the bottom surface. A trim having a corresponding alignment aperture is matingly engaged by positioning all or a portion of the alignment feature into the alignment aperture to ensure proper orientation of the trim with the LED module and to provide sufficient surface area for good thermal transfer between the heat sink and the trim.

Abstract: A lighting apparatus as disclosed herein may include an installation guide plate which may guide the installation of a light source module inside a housing of the lighting apparatus. The guide plate may include an opening shaped to correspond to a shape of the light source module. The light source module may be inserted into the opening to facilitate positioning and installation of the light source module. The guide plate may also be configured to provide electrical insulation between the light source module and the housing.

Abstract: The annular-arranged lamp capable of backward projecting by concave sphere provided by this invention is mainly provided with a side of an annular heat dissipation device being installed with light emitting devices (102) wherein the lamp is installed with two or more than two light emitting devices (110) arranged in a circular or polygonal means, and the light projecting axial line of each light emitting device (110) is projected towards a reflection device with concave sphere (103) disposed above the annular heat dissipation device (101), light beams of the light emitting devices (110) are reflected by the reflection device with concave sphere (103) then refracted to a preset projection range, thereby forming a unified light source.

Abstract: A lamp assembly, comprising a lens, a lamp housing in the form of an integral metal part, the lamp housing cooperating with the lens to at least partially define a lamp chamber that is generally fluidly isolated from an ambient atmosphere outside the lamp chamber, and at least one lamp provided in the lamp chamber and carried by the lamp housing. The lamp housing itself defines a heat sink exposed to the ambient atmosphere outside the lamp chamber such that heat from the at least one lamp is transmitted to the ambient atmosphere.

Abstract: Exposed fixture mechanism (or exposed fixture mechanism) and associated mounting features constituting a broad range of structural, aesthetic, and/or functional enhancements to existing recessed fixtures. Embodiments are generally configured to couple at a structural surface at and/or surrounding a recessed fixture. A mounting ring provides secure attachment at the structural surface, A ring cover with or without an exposed fixture mechanism (EFM) typically is coupled to the mounting ring surrounding the recessed fixture via a variety of mechanisms including but not limited to a twist-lock engagement, magnets, screws, or snap on mechanisms. EFMs include a wide variety of aesthetic, functional, and/or structural embodiments.

Abstract: A retaining frame (2) having at least one optical element (3) secured thereto by injection molding, with the at least one optical element (3) being embodied for beam shaping at least by means of total internal reflection and/or diffraction.

Abstract: A projector is provided with a radiation source adapted to radiate an electromagnetic wave during an operation and an exterior housing adapted to house the radiation source inside, wherein the exterior housing includes a first housing made of synthetic resin, and a second housing including a shield material adapted to block the electromagnetic wave, and disposed at a position for covering the radiation source in a plan view.

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: 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 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: An illumination system for an aircraft interior has an illumination source. An optical module is coupled to the illumination source. The optical module collects the light emissions from the light source and distributes the collected light over a desired area with a specified intensity profile.

Abstract: Provided is a light emitting apparatus. The light emitting apparatus comprises a substrate; a light emitting device package on the substrate; and a lens supported by the substrate, the lens being disposed on the light emitting device package, wherein the lens comprises a lens body having a first recess at a central portion of a top surface thereof, a second recess at a central portion of a bottom surface thereof, and a lens support disposed on the bottom surface of the lens body to support the lens body such that the bottom surface of the lens body is spaced apart from the substrate.

Abstract: The present disclosure describes embodiments of an optical system for use in a lighting device, e.g., replacements for MR/PAR/R directional lamps. In one embodiment, the optical system comprises optical elements (e.g., a lens element) with features that form light from a light source into a light beam. In one embodiment, the optical elements have a plurality of focus points, which do not all converge to a single focus point proximate the light source. Rather one or more of the focus points are spaced apart from the light source so the collective configuration of focus points causes the light beam to exhibit favorable characteristics.

Abstract: A high-pressure discharge lamp comprising a translucent lamp bulb (1), which extends along a longitudinal axis of the lamp and is attached to a plastic base (2; 302), which is essentially surrounded by a metal shielded enclosure (4; 104), a metal reference ring (8; 208; 308), which is attached to an inner base part (6; 106; 306) of the plastic base (2; 302), and can is adapted to be brought into contact with a lamp module or vehicle headlight, wherein the reference ring (8; 208; 308) has at least one contact section (16; 216; 316), which is in electroconductive contact with the shielded enclosure.

Abstract: A light emitting device package is disclosed. The light emitting device package includes a light emitting device, a body that includes first and second lead frames electrically connected to the light emitting device and has a cavity disposed on the first and second lead frames, and a resin material that fills the cavity and includes a main material having a vinyl group (—CH?CH2) and a sub-material having a plurality of silane groups (Si—H). In the resin material, the vinyl groups and the silane groups are cross-linked to each other by curing. According to an FT-IR signal, an optical density (absorbance) of silane groups (Si—H) not reacted with the vinyl groups (—CH?CH2) may be in the range of 0.0002 to 0.01 (arb. unit).

Abstract: A lighting system comprising a light box housing, a plurality of lighting units including a housing, a plurality of light emitting elements mounted on a PCB within the housing. The light emitting elements arranged on an angled surface such that the light emitting elements emit light in a sideways direction from the lighting units. The lighting units can also be interconnected in a daisy-chain configuration, such that the lighting units form a row of lighting units. The row of lighting units adapted to be mounted within the light box housing, wherein the light box housing comprises one or more rows of lighting units.

Abstract: An embedded lamp and a replaceable illumination module are disclosed. The embedded lamp includes a lamp cover having a hollow housing, and a top frame fixed on the hollow housing. The replaceable illumination module is received in the hollow housing, and includes a connection base for connecting a lamp set, a middle sleeve received in the connection base, a rotation sleeve received in the middle sleeve and protruding outside the middle sleeve, a stop ring fastened at the top side of the middle sleeve, a rotation locking flake fastened at the top side of the rotation sleeve, and a elastic element for pushing the rotation sleeve. When the replaceable illumination module is pushed, the rotation sleeve is rotated in the middle sleeve and fixed at different locations. The rotation locking flake and an opening of the top frame are unlocked when both are parallel or locked when both are vertical.

Abstract: Substantially cylindrical supporting units are formed at both sides of a lens. The supporting units are to adjust the separation distance between the lens and the surface of a substrate depending on the height dimension of a light emitting diode mounted on the substrate from the substrate face when the lens body is fixed to the substrate. A cylindrical convex part is formed at a part of the tip face of the supporting unit in a concentric fashion relative to the supporting unit, and a cylindrical positioning unit is formed at a part of the tip face of the convex part in a concentric fashion. The positioning unit functions as a member for positioning when the substrate and the lens body are fixed to each other.

Abstract: A lamp including a tube holder and a light emitting diode tube is disclosed. The tube holder includes a first terminal socket and a second terminal socket. The first terminal socket is electrically connected to a power source. The light emitting diode tube is installed onto the tube holder. One end of the light emitting diode tube has two first conductive terminals plugging in the first terminal socket so as to provide the power source to the light emitting diode tube. Alternatively, one end of the light emitting diode tube includes at least one first conductive terminal and the other end includes at least one second conductive terminal so as to conduct an alternate current power or a direct current power to the light emitting diode tube via the first conductive terminal and the second conductive terminal of two ends of the light emitting diode tube, respectively.

Abstract: An optical assembly includes a combination of laser sources emitting radiation. focused by a combination of lenses into optical waveguides. The optical waveguide and the laser source are permanently attached to a common carrier. while at least one of the lenses is attached to a holder that is an integral part of the carrier, but is free to move initially. Micromechanical techniques are used to adjust the position of the lens and holder, and then fix the holder it into place permanently using integrated heaters with solder.

Abstract: Optical films for enhancing light extraction from self-emissive pixelated OLEDs, without introducing significant pixel blur, are disclosed. The extraction films include a flexible carrier film, and a first and second layer carried by the carrier film. The first layer has a nanovoided morphology, includes a polymer binder, and may have a refractive index less than 1.35 or 1.3. An embedded structured surface of light extraction elements is formed between the first and second layers. The extraction film includes a major coupling surface for attachment to an outer surface of the light source. The film is configured such that a land portion between the structured surface and the major coupling surface is thinner than a specified amount, e.g., less than 50, 25, or 10 microns, or less than a thickness of the carrier film.

Abstract: A light box defined with a peripheral portion and a display portion is provided. The peripheral portion has four margins, and the opposing margins being defined with equal widths. The display portion is surrounded by the peripheral portion and is rectangular. The light box comprises at least two sets of electrode pads and an outer frame. The at least two sets of the electrode pads are disposed on at least two of the margins, respectively, and each set of the electrode pads comprises a connector electrode pad, disposed at the corresponding margin. With the arrangement of the at least two sets of the electrode pads, the light box can be panelized with one or more lighting panels.

Abstract: A vehicular headlamp, wherein a light source unit for light distribution formation is accommodated inside a lamp chamber defined by a lamp body and a front cover, includes a metal heat transfer member that serves as a light source unit structural member; a light-emitting element that serves as a light source; a fan for cooling the light-emitting element provided inside the lamp chamber; and a lighting circuit that controls lighting of the light-emitting element. The light-emitting element, the fan, and the lighting circuit are each attached to the metal heat transfer member.

Abstract: A vehicle light assembly includes an array of light sources mounted in a generally planar base. An optical element includes a first surface having a first optical design and a second surface having second optical design. The second optical design includes a wedge having a first wedge wall and a second wedge wall that converges with the first wedge wall. The second wedge wall extends at an angle to the first wedge wall. A bezel surrounds the base and the optical element, and an outer lens is positioned adjacent the outside surface of the optical element. The optical element is between the base and the outer lens, and the outer lens has an inner surface including an optical design.

Abstract: A light source wavelength modulator includes a substrate made of a material with a high light transmittance and a thermal conduction effect, a wavelength modulation layer formed on the substrate and made of a wavelength modulation material, and patternized or multilayered, and further having a spacer between the wavelength modulation layer and its corresponding light source for achieving the best light source wavelength modulation, such that a portion of light spectrum of an original solar light or LED having no response or poor response to the light receiver is converted into a range of the best application efficiency for improving the utility efficiency of the light source. The white light emitted from the LED is gone through a wavelength modulation to enhance the light emitting color rendering, conversion efficiency and using life.

Abstract: A recessed lighting fixture providing illumination from a light source including a plurality of light emitting diodes (LEDs) wherein the fixture is placed within the ceiling space above a ceiling panel or wall. The fixture has a low aspect ratio heat sink. An interchangeable trim ring has an integrated light reflector and attaches to the bottom of the heat sink via rare earth or super magnets. A flange of the heat sink and a flat annular surface of the trim ring engage each other, providing a large contact surface to enable conductive heat transfer. The flange and flat annular surface are located below the ceiling panel, which is at room temperature to help cool the recessed LED lighting fixture through radiation and air convection.