Abstract: Direct attach or surface mount LEDs are mounted onto a flat, thermally conductive, substrate, which is folded to form a light recycling cavity. A planar substrate is first coated with a metal layer, which is patterned to electrically connect the LEDs. The direct attach or surface mount LEDs are mounted on the substrate. The substrate is then scribed on the backside to form cut channels which form the folds. The direct attach or surface mount LEDs are then attached onto the metal layer on the substrate. The substrate is then folded into a light recycling cavity where the direct attach or surface mount LEDs are facing the inside of the cavity.

Abstract: An LED bulb includes: a circuit board having opposite first and second surfaces; a plurality of LEDs disposed on the first surface; and a heat dissipating structure having a heat dissipating board, wherein the heat dissipating board has opposite third and fourth surfaces, the third surface is attached to the second surface of the circuit board, and a plurality of heat dissipating bumps is disposed on the fourth surface and gradually decreases in length from the center toward the periphery of the fourth surface to thereby facilitate air convection around the heat dissipating bumps, thus improving the overall heat dissipating efficiency so as to increase the light emitting efficiency and lifetime of the LED bulb.

Abstract: A lamp including a two-sided source plate, a plurality of light sources, a lens, a diffuser plate, and a driver insulator is disclosed. One set of the light sources generates white light and is attached to one side of the source plate. Another set of the light sources generates colored light and is attached to the source plate's other side. The lens encapsulates the white light-generating set, and redirects that white light. The driver insulator and the diffuser plate are each in contact with the source plate's other side. The driver insulator, diffuser plate, and that side of the source plate define a light box region that contains the colored light-generating set of light sources. The driver insulator acts as a reflector, and the diffuser plate acts as a diffuser, such that colored light is dispersed from the light box region through the diffuser plate.

Abstract: A thermal treatment apparatus having a first light source emitting a first light having light diffusion property, a reflectance measuring unit irradiating a treatment target with the light from plural directions by the first light source and determining a light reflectance of the treatment target, a light irradiation controller adjusting an intensity of a second light of a second light source on the basis of the light reflectance, the second light has diffusion property, and a thermal treatment unit irradiating the treatment target with the second light having adjusted the intensity of the second light by the light irradiation controller.

Abstract: The light-emitting apparatus (1) of the present invention includes: a storage case (12) that includes a base board (10) having a concave portion (10a) and a lid portion (11) covering the concave portion (10a); and a plurality of light-emitting elements (13) that are disposed on an inner surface (12a) of the storage case (12), an opening (11a) is formed in the lid portion (11), at least a part of the inner surface (12a) is a light-reflecting surface that wave-guides light emitted by the light-emitting elements (13) as light sources to a position directly underneath the opening (11), and a reflecting portion (15) that reflects the light emitted by the light-emitting elements (13) as the light sources toward the opening (11a) is formed directly underneath the opening (11a). Thereby, the light-emitting apparatus having a point light source with high brightness can be provided.

Abstract: A light emitting diode contains a package structure and a light emitting diode die embedded in the package structure. The package structure has an elliptic bottom surface having a semi-major axes and a semi-minor axis and a semi-ellipsoidal surface connecting and surrounding the edge of the elliptic bottom surface, wherein the maximum height of the ellipsoidal surface from the elliptic bottom surface is between the semi-major axes and the semi-minor axis.

Abstract: A light emitting apparatus includes a lamp base, a light-transmissive bulb envelope, a light source for emitting light, and a heat sink coupled to the light source. A solid state LED light bulb may further include a down conversion material. The down conversion material is disposed within the bulb envelope, remote from the light source and between the light source and the lamp base. The heat sink may include at least one metal fin and, additionally or alternatively, include a mesh disposed over at least an outer portion of the bulb envelope. A solid state light bulb may include a light guide for directing the light emitted by the light source. The solid state light bulb configurations place the light source and heat sink at the apex of the light bulb envelope, distant from the lamp base, in order to dissipate heat produced by the light source into the environment. In addition, at least part of the heat sink is outside the light bulb envelope to maximize the heat dissipation.

Abstract: A mirror module includes a mirror. The module includes a mirror housing. The module includes a mounting box that fits into the housing. The module includes a motorized element disposed in the mounting box. The motorized element having a mirror mounting plate which holds the mirror, and a base plate which is attached to the mounting box through an axis screw at a central axis of the module about which the motorized element rotates.

Abstract: One embodiment of a compact fluorescent lamp includes a circuit assembly comprising a rectifier, a plurality of capacitors, a plurality of ICs, a plurality of inductors, a transformer for converting AC to DC, a plurality of diodes, and a PCB; a CFL electrically connected to the circuit assembly; a shade for enclosing the CFL; and a housing for mounting the circuit assembly therein. The circuit assembly is operable when voltage variation is between 2.5 and 21 V. Further, the lamp can operate in one of three different power sources (e.g., DC power supply, electronic transformer, and electrical transformer).

Abstract: A light may comprise a light body having an opening for receiving an electrical power source, and a head including a light source and having an end for engaging the light body. A head for a light may comprise a light source, a reflector, an end for engaging a light body; and an insulating member. At least three concentric and/or coaxial electrical contacts of the head are enclosed by the head and light body when the head and light body are engaged. One of the three concentric electrical contacts may provide an electrical connection to the light source and one of the three concentric electrical contacts may be for making an electrical connection to an electrical power source.

Abstract: A LED light source module and a projection device comprising the same are provided. The LED light source module comprises an optical element assembly, a LED assembly and a compartment structure. The compartment structure extends from at least one side edge of the LED assembly to at least one side edge of the optical element assembly, so that the LED assembly, the optical element assembly and the compartment structure form an enclosed space corporately.

Abstract: In accordance with one aspect of the present disclosure, an LED decorative lamp is provided. The LED decorative lamp comprises a light engine having at least one LED mounted on a platform, a current regulated driver configured to provide power to the at least one LED, the driver mounted inside a base, a substantially hollow envelope forming an enclosure over the light engine and driver, and a reflector disposed above the light engine. The reflector is configured to improve the light distribution of the at least one LED.

Abstract: An LED device includes a substrate, an LED chip and a lens module. The substrate has an upper surface. The LED chip is arranged on the upper surface of the substrate. The LED chip has a light emitting surface away from the upper surface of the substrate. The lens module is arranged over the light emitting surface of the LED chip. The lens module includes a first lens. The first lens includes a first light outputting surface away from the light emitting surface of the LED chip. The first light outputting surface of the first lens defines a first cavity at a center thereof.

Abstract: A vehicle light can prevent the generation of glare light due to the reflection of light from a connecting surface surrounding a reflecting surface when a lens body including the reflecting surface and the connecting surface surrounding the reflecting surface is used and light emitted from an LED light source enters the lens body. The vehicle light can include a light source and a lens body. The lens body can include optical surfaces including the reflecting surface configured to form a predetermined light distribution pattern, and connecting surfaces that shape and define a structure of the lens body by connecting the optical surfaces, but that do not engage in the formation of the light distribution pattern. The connecting surface surrounding the reflecting surface can reflect part of incident light from the light source to a direction that is different from the direction by the reflecting surface and is directed to any one of connecting surfaces.

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: According to one embodiment, a lighting device includes a body section, a light source, a globe, and a heat transfer section. The light source is provided on one end portion of the body section. The light source includes a light emitting element. The globe is provided so as to cover the light source. The heat transfer section in thermal contacts with at least one of an inner surface of the globe and a heat dissipation surface on the end portion side of the body section.

Abstract: A lens has an optical body member with a first end, a second end, and an outer surface, the outer surface being shaped to provide total internal reflection. The optical body member further has an interior open channel extending longitudinally from the first end to the second end thereof. The optical body member further has a plurality of refractive surface regions disposed in the second end thereof and around the second opening of the interior open channel. The optical body member also has a plurality of protrusions extending from the first end of the optical body member. The protrusions are disposed circumferentially around the first opening of the interior open channel and are arranged to center the optical body member and to maintain the optical body member at a predetermined position with respect to the light source. In a light apparatus having an LED emitter disposed on a substrate, the protrusions can fit into notches in the substrate.

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 replaceable LED lamp includes a base and a plurality of lamp cups coupled to the base. The lamp cup comprises a lighting member as a light source. Each lamp cup can be separately detached for replacement to save maintenance cost and to enhance the heat dissipation function and to shorten the working time.

Abstract: Occurrence of uneven brightness in a backlight unit is suppressed. A backlight unit 12 includes a hot cathode tube 17 as a light source; a chassis 14 including a bottom plate 14a arranged on a side opposite to a light exit side with respect to the hot cathode tube 17 and housing the hot cathode tube 17; a reflection sheet 20 including a bottom portion 20a extending along the bottom plate 14a and a rising portion 20b rising from a bottom portion 20a to the light exit side and reflecting light; a first holding member 21 arranged on a side opposite to the light exit side with respect to each rising portion 20b and fixed to the chassis 14; and a second holding member 22 arranged on the light exit side of each rising portion 20b and configured to sandwich each rising portion 20b with the first holding member 21.

Abstract: An optical system having a solid state light source, such as an LED of any spectrum, includes a lens that provides an output illumination pattern of uniform distribution over a remote and larger target. The lens does not have an axis of revolution. The lens has a generally non-circular outer shape in cross section and on top views, where the outer optical surfaces are angled one relative to another. The lens includes refractive and reflective active optical surfaces to split, direct and shape the incoming beam from the light source towards the target in the form of several angled beams of prescribed energies calculated as a function of the shape of the target and distance to the target. The lens has an inner primary and partially open optical cavity of a polygonal cross section facing the light source.

Abstract: To prevent uneven brightness in a backlight unit, a backlight unit 12 includes: a hot cathode tube 17 that is a light source; a chassis 14 housing the hot cathode tube 17; a reflection sheet 20 arranged inside the chassis 14 and configured to reflect light; an optical member 15 arranged on a light exit side with respect to the hot cathode tube 17; and a support member 21 including a support portion 26 that has an axis extending in a space inside the chassis 14 and supports the optical member 15 from a side opposite to the light exit side. The support member 21 has a pressing surface 28 enabled to press the reflection sheet 20 from the light exit side and the pressing surface crosses an axial direction of the support portion 26 and crosses a direction perpendicular to the axial direction.

Abstract: LEDs are mounted onto a flat, thermally conductive, substrate, which is folded to form a light recycling cavity. A planar substrate is first coated with a metal layer, which is patterned to electrically connect the LEDs and to form bonding pads for wirebonds to connect the LEDs to external circuitry. The LEDs are mounted on the substrate. The substrate is then scribed on the backside to form the folds. The LED dies are then attached onto the metal islands (pads) defined on the substrate and wirebonds are used to connect the top side of the LED to adjacent patterned metal islands (pads) on the substrate. The substrate is then folded into a light recycling cavity where the LEDs are facing the inside of the cavity.

Abstract: In a headlight module for a motor vehicle, a light source having a planar surface, is immersed in a volume of transparent material, which has a refractive index greater than 1. A reflector having a focus is disposed relative to the light source so that the focus of the reflector is at a point of the light source. Accordingly, light rays emitted by light source are refracted by the transparent volume and reflected by the reflector so that such light rays become parallel to a predetermined direction.

Abstract: A lighting system for an appliance includes a panel having a side and an exposed edge, a light source positioned in proximity to the exposed edge of the panel, and a coating disposed over a surface of the side of the panel. The coating is configured to allow light to diffuse from the coated side of the panel and the panel is located remotely from the light source.

Abstract: A lighting apparatus includes a light source having a plurality of light-emitting-diodes and a lens assembly with a lens and a lens holder. The lens includes a body member having an outer surface shaped to provide total internal reflection and an interior open channel extending longitudinally through the body member. The body member has a first end region for accommodating the light source and a second end region that includes a plurality of refractive surface regions positioned around the open channel. The lens holder has a concave interior surface shaped to accommodate the optical body member of the lens and a convex exterior surface. The holder has multiple clips for securing the lens and three or more support members extending from the exterior surface toward the first end.

Abstract: A lens assembly has a lens and a holder. The lens has an optical body member having a first end, a second end, and an outer surface. The outer surface is shaped to provide total internal reflection. The optical body member also has an interior open channel extending longitudinally from the first end to the second end thereof. The second end includes a peripheral flange that is free of curved refractive surface regions and has one or more index regions and one or more notches formed therein. The holder is a substantially cylindrical support member having a hollow interior region shaped to accommodate the optical body member. The holder also has a top rim region having one or more slots for receiving the index regions of the optical body member and one or more snap clips for fitting to the notches of the peripheral flange region of the optical body member.

Abstract: Disclosed is an expandable envelope that comprises a light directing film this both transmits and reflects light. In its inflated form and along with a light source, the envelope forms a light balloon that due to the light directing film provides directed light to an area surrounding the balloon.

Abstract: The illumination apparatus includes a light source, an optical member configured to at least transmit therethrough light from the light source, and a reflective member configured to include a reflective portion which extends closer to the optical member than the light source and reflects the light from the light source to cause the light to enter the optical member. A concave portion is formed, on a light entrance side surface of the optical member, in an outside area located outside a light entrance area where the light reflected by the reflective portion reaches. The concave portion includes a refractive surface refracting light, which is part of the light from the light source and enters the concave portion without being reflected by the reflective portion, toward an exit surface of the optical member.

Abstract: Provided herein is a light-emitting apparatus capable of achieving both improved durability and higher brightness with an inexpensive and simple construction. A heat resistant glass substrate 51 is mounted in a vacuum chamber 5, and while an anode electrode 8 (and a light emitter 20) is mounted on the glass substrate, the glass substrate 51 is separated from a glass substrate 11. This precisely protects the vacuum chamber 5 from thermal damage due to light emission upon excitation, even when the current density between the cathode electrode 6 and the anode electrode 8 is controlled at a high level to cause the light emitter 20 to emit light at high brightness.

Abstract: The invention provides an illumination device comprising an envelope enclosing a light source, preferably a LED, and a luminescent material. The envelope comprises a transmissive part, and a reflective part, wherein the reflective part comprises a reflective ceramic material. The ceramic material can be used for heat dissipation.

Abstract: An apparatus and method for high intensity lighting includes, in one aspect, a reflector frame having a main portion generally following a surface of revolution of the type that produces a converging beam and a second portion following a surface of revolution of the type that produces a different shape beam. Placement of the second portion in the reflector frame allows shifting of parts of the light beam in desired directions.

Abstract: A reflector component is provided for a light emitting diode (LED) lamp that includes a plurality of spaced-apart LED light sources. The reflector component includes a bottom wall having two side edges extending along a longitudinal direction. The bottom wall is formed with a plurality of spaced-apart through holes, each of which permits a respective one of the LED light sources to extend therethrough. The reflector component further includes two side walls extending respectively and upwardly from and along the two side edges of the bottom wall. Each of the side walls has a reflecting surface that faces toward the other of the side walls and that extends upwardly and inclinedly relative to the bottom wall such that a distance between the reflecting surfaces increases in a direction away from the bottom wall.

Abstract: The light-emitting apparatus (1) of the present invention includes: a storage case (12) that includes a base board (10) having a concave portion (10a) and a lid portion (11) covering the concave portion (10a); and a plurality of light-emitting elements (13) that are disposed on an inner surface (12a) of the storage case (12), an opening (11a) is formed in the lid portion (11), at least a part of the inner surface (12a) is a light-reflecting surface that wave-guides light emitted by the light-emitting elements (13) as light sources to a position directly underneath the opening (11), and a reflecting portion (15) that reflects the light emitted by the light-emitting elements (13) as the light sources toward the opening (11a) is formed directly underneath the opening (11a). Thereby, the light-emitting apparatus having a point light source with high brightness can be provided.

Abstract: The present invention relates to a reflector assembly for a luminaire where the reflector assembly comprises an anti-static member disposed between a lamp of the luminaire and a reflector body. In various aspects the anti-static member may be glass, plastic or other transparent or translucent materials and the reflector may be substantially sealed from the atmosphere by the anti-static member or the anti-static member in cooperation with a cover of the reflector assembly.

Abstract: A light emitting device includes a package body including a multilayer cavity; a first light emitting part including a first light emitting device in a first cavity of a first layer area of the multilayer cavity, and a second light emitting part including a second light emitting device in a second cavity of a second layer area higher than the first layer area.

Abstract: A reflection-type light-emitting module with high heat-dissipating and high light-generating efficiency includes a reflection-type lampshade unit, a heat pipe unit and a light-emitting unit. The reflection-type lampshade unit has an open casing, a receiving space formed in the open casing, and a first reflective structure is disposed in the receiving space and on an inner surface of the open casing. The heat pipe unit is received in the receiving space and is disposed on the open casing. The light-emitting unit is disposed on the heat pipe unit, and the light-emitting unit has a light-emitting face facing the inner surface of the open casing.

Abstract: A light, and particularly a vehicle light, can prevent a reflected image of a resin injection trace (reflected in an adjacent connecting surface surrounding a reflecting surface) from being observed through a projecting surface, thereby preventing deterioration of appearance of the light. The light can include a light source and a lens body having a resin injection trace by injection molding. The lens body can include, as its surface, optical surfaces including an incident surface, a reflecting surface, and a projecting surface that are configured to form a predetermined light distribution pattern. Connecting surfaces that shape and define a structure of the lens body can connect the optical surfaces, and can be configured so as not to engage in the formation of the light distribution pattern. The incident surface can be a lens surface that can receive light from the light source to allow the light to enter the lens body.

Abstract: A lens assembly includes a total internal reflection lens and a lens holder. The lens includes a body member having an outer surface shaped to provide total internal reflection and an interior open channel extending longitudinally through the body member. The body member has a first end region for accommodating a light source and a second end region that includes a plurality of refractive surface regions positioned around the open channel. The lens holder has a concave interior surface shaped to accommodate the optical body member of the lens and a convex exterior surface. The holder has multiple clips for securing the lens. The holder also has three or more support members extending from the exterior surface toward the first end. The support members are adapted for centering the optical body member with respect to the light source and maintaining the light source in the specified position in relation to the optical body member.

Abstract: Display lamp includes a base and a cover having a lower face. A side is provided between the cover and base, and the side, cover, and base define a display volume. A light source on the base directs light at a reflector on lower face of cover, and reflector reflects light from light source downwardly away in a diffuse manner within the display volume. There may be a light housing covering the light source and an oculus in an upper portion of light housing configured for directing light at the reflector. A light guide may be provided adjacent the light source for collimating light emitted from the light source into a column of light directed at the reflector. There may be a support between the cover and base for supporting an article to be displayed in the display volume, and illuminated by reflected light from the reflector.

Abstract: An LED lighting tube having a first segment, a second segment, and a rotating connector between the segments. Each segment has an elongated cylindrical housing, an aperture in the sidewall of the cylindrical housing, a reflector centered within the aperture, a circuit board within the cylindrical housing, and a rotatable electrical coupling connected to an outer end of the cylindrical housing. The circuit board has an LED that aligns with the aperture. The rotatable electrical coupling has a limiter insert that provides a rotative stop, a collet that at least partially surrounds the limiter insert and is rotatable about the limiter insert, and an interface connector secured to the limiter insert and in electrical communication with the circuit board. The rotatable electrical coupling permits the LED lighting tube to connect to a light fixture while also permitting the cylindrical housing to rotate relative to the light fixture.

Abstract: A lighting device may be provided that includes a housing, a coupling member coupled to the housing, a reflector coupled between the housing and the coupling member, and a light source unit coupled to the coupling member to emit light toward the reflector. A first portion of a first body of the light source unit may be coupled to the coupling member, and a second portion of the first body may include a light source module that includes a light to emit light toward the reflector.

Abstract: An LED module includes an LED and a lens located over and enclosing the LED. The lens includes a surface of incidence facing the LED for an incidence of light emitted from the LED and a surface of emission for an emission of the light out of the LED module. The surface of incidence has a convex spherical surface, and the surface of emission has a concave spherical surface corresponding to the convex spherical surface. The convex spherical surface refracts the light incident thereon to redirect the light to the concave spherical surface. The concave spherical surface spreads the light into a wide and uniform beam. The surface of emission further has a first cylinder extending downwardly from an outer edge of the concave spherical surface. A totally reflective coincoid extends downwards from the first cylinder to a bottom of the LED module.

Abstract: Provided is a bulb-type lamp including a lightweight housing with great handleability. An LED light bulb (1) comprises: an LED module (3) on which LEDs are mounted; a cylindrically-shaped case (7) having openings at both ends, which are first and second ends; a mount member (5) on a front surface of which the LED module (3) is mounted, the mount member (5) closing a corresponding one of the openings of the case (7) by being in contact with an inner circumferential surface of the first end of the case (7); a base member (91) attached to the second end of the case (7); and a lighting circuit (11) that is disposed inside the case (7). A wall thickness of the case (7) is in a range of 200 ?m to 500 ?m inclusive, and the wall thickness of at least one portion of the case (7) decreases from the first end toward the second end of the case (7).

Abstract: This indicator unit includes a light source portion and a lens member including a first reflecting portion reflecting light received from the light source portion in a prescribed direction, a second reflecting portion reflecting the light reflected by the first reflecting portion and light received from the light source portion in a front direction intersecting with the prescribed direction and a display portion displaying the light reflected by the second reflecting portion in the front direction. The light source portion is so arranged that the anteroposterior position thereof overlaps the second reflecting portion.

Abstract: Lighting systems for emitting light in multiple directions including one or more light emitting devices (LEDs) and a housing configured to receive the one or more LEDs are provided. The one or more LEDs are configured to generate light in a first direction to illuminate a first area proximate to the lighting system. The housing is configured to reflect a portion of the generated light so as to allow a remaining portion of the generated light to pass through the housing in a second direction, different from the first direction, and illuminate a second area proximate to the lighting system. Related methods are also provided herein.

Abstract: Disclosed is a light emitting device to reduce the number of components and elements of a light emitting device and a lighting device having the light emitting device, and simplify and miniaturize the structures of these devices. With this light flux controlling member (4), a total reflecting surface (12) functions like a reflecting member, light from a light emitting element (LED, for example) (3) that is incident from an input surface (13) and that arrives at the total reflecting surface (12) is total-reflected by the total reflecting surface (12) toward the output surface (11) side (including a first output surface (11a) and second output surface (11b)), and the illuminating light from the second output surface (11b) is superimposed upon the illuminating light from the first output surface (11a), so that the light from the light emitting element (LED, for example) (3) is used efficiently and illuminates the illumination target surface (6) over a wide range.

Abstract: LEDs are mounted onto a flat, thermally conductive, substrate, which is folded to form a light recycling cavity. A planar substrate is first coated with a metal layer, which is patterned to electrically connect the LEDs and to form bonding pads for wirebonds to connect the LEDs to external circuitry. The LEDs are mounted on the substrate. The substrate is then scribed on the backside to form the folds. The LED dies are then attached onto the metal islands (pads) defined on the substrate and wirebonds are used to connect the top side of the LED to adjacent patterned metal islands (pads) on the substrate. The substrate is then folded into a light recycling cavity where the LEDs are facing the inside of the cavity.

Abstract: An illumination device includes a light source positioned on an illumination axis, a lens assembly having at least two biconvex lenses disposed on the illumination axis, and a reflector having a reflecting surface enclosing the lens assembly. The light source emits a first group of light beams which directly impinge of the lens assembly, and a second group of light beams which directly impinge on the reflector. The second group of light beams being reflected by the reflecting surface such that they surround the first group of light beams after being refracted by the lens assembly, without such second group of light beams impinging on the lens assembly.

Abstract: A light emitting diode light source with mirrored surfaces is formed on a planar substrate which, when folded, forms both a light recycling cavity and an optical taper at the end of the light recycling cavity.