Abstract: An infrared light radiation device includes a radiation unit and a condenser. The radiation unit includes a heater and a metamaterial structure. The metamaterial structure is able to radiate, when heat energy is input from the heater, infrared light having a peak wavelength of a non-Planck distribution. The condenser includes at least one condensing lens that concentrates and transmits toward outside the infrared light radiated from the radiation unit.

Abstract: The present disclosure discloses a light bulb and a crystal lamp. The light bulb includes a light emitting module and a light-transmitting cover; the light emitting module includes a mounting column and a plurality of LED lamp beads, the mounting column includes a circumferential surface and a top surface, and the plurality of LED lamp beads are arranged at least on the circumferential surface; the light-transmitting cover is arranged to cover a periphery of the light emitting module and distributes light for the plurality of LED lamp beads, the light-transmitting cover includes a plurality of micro-lens units, and each of the plurality of micro-lens units has a light incident surface and a light exit surface, and is in a configuration of converging light from the light incident surface to the light exit surface.

Abstract: A lighting module includes a heat sink having a sidewall and a partition that define a first cavity and a second cavity; a driver enclosure disposed in the first cavity and electrically insulated from the heat sink; a light source disposed in the second cavity; an optical element positioned over the light source; a retaining ring/optic cover closing the second cavity; and a trim mechanically and electrically coupled to the heat sink. The lighting module is shaped and dimensioned to fit into a space having a width less than 2.4 inches, a height less than 2.25 inches, and a volume as small as 18 cubic inches. The heat sink includes at least one curved keyed feature reducing the volume of the heat sink and providing sufficient clearance for the heat sink to fit within an enclosed space.

Abstract: A retention system for holding a light source lamp in a recessed luminaire includes a retention spring portion that is pivotally coupled to a light source holding bracket of the recessed luminaire. The light source holding bracket is configured to house a light source lamp therein. Further, the retention system includes a retention arm portion that extends from and is formed integral with the retention spring portion. The retention spring portion forces the retention arm portion towards the light source holding bracket such that the retention arm portion engages and applies an active load on the light source lamp that is disposed in the light source holding bracket to securely retain the light source lamp within the recessed luminaire.

Abstract: An LED luminaire comprising: at least one directional light-emitting element configured to emit directional light from the luminaire; at least one nondirectional light-emitting element configured to emit non-directional light from the luminaire, the at least one nondirectional light-emitting element being optically coupled to the at least one directional light-emitting element; and at least one LED light source for emitting light and being optically coupled to at least one of the at least one directional light-emitting element or the at least one nondirectional light-emitting element.

Abstract: A luminaire having a diffuser structure configured to adjust a shadow cast from one or more LED light sources such that the shadow cast has a gradated transition between an area of illumination and an area of shadow. Accordingly, diffuser teeth may be configured to cast a plurality of shadows from a plurality of LED light sources such that a complex overlap pattern of shadows from the plurality of LED light sources forms a shadow gradient between an area of illumination and an area in shade.

Abstract: A chamber configured to increase an intensity of target radiation emitted therein is provided. The chamber includes an enclosure at least partially formed by a set of transparent walls. Each transparent wall can comprise a first material transparent to the target radiation and having a refractive index greater than 1.1 for the target radiation. The outer surface of the set of transparent walls can include a set of cavities, each cavity comprising an approximately prismatic void. Additionally, a medium located adjacent to an outer surface of the set of transparent walls can have a refractive index within approximately one percent of a refractive index of a vacuum for the target radiation.

Abstract: An illumination device includes a main body unit, a light source module and a cover unit. The light source module is disposed in an upper space of the main body unit to be separated therefrom and includes a substrate and at least one light emitting device respectively disposed on both surfaces of the substrate. The cover unit is disposed on the main body unit to cover the light source module and allowing light emitted from the light source module to be emitted from a surface of the cover unit in a radial manner.

Abstract: A luminaire includes an LED based illumination device with a light emitting area and an optical element that is configured to produce a hybrid emission pattern with a spot beam emitted within a predetermined far field angle and a background level spherical emission pattern. The optical element, for example, may be configured with an input port and an output port, and a perimeter that increases in size from the input port to a maximum perimeter and decreases from the maximum perimeter to the output port. The optical element receives an amount of light from the LED based illumination device at the input port, emits a first portion of the light from a curved, semitransparent sidewall, and emits a second portion of the light at the output port, wherein the emission area of the output port is less than a maximum perimeter of the optical element.

Abstract: The present invention provides a LED light bulb which is capable of providing the gorgeous and artistic impressions. The LED light bulb comprises a plurality of LED chips, a globe covering the LED chips and allowing the light emitted from the LED chips to penetrate, and a bulb connector, wherein at least one portion of the globe has a concave-convex part.

Abstract: A lighting device 100, a lamp and a luminaire is provided. The light device 100 emits a first color distribution predominantly in a first direction and a second color distribution predominantly in a second direction. The lighting device comprises a light exit window, a light source 118, a light distributing layer 108, and a luminescent material. Light 104, 106 is emitted into the ambient of the lighting device through the light exit window. The light exit window has a first part 110 for an escape of light of the first color distribution and a second part 102 for an escape of light of the second color distribution. The second part 102 is different from the first part 110. The light source emits light of a predefined color distribution. The predefined color distribution comprises light of a first color 106. The light distributing layer 108 partly reflects or backscatters impinging light and partly transmits impinging light.

Abstract: The present invention relates to an optical lighting device comprising at least one light emitting diode configured for emitting said light with a trajectory, the device being capable of modifying said trajectory since it comprises an optical element comprising two faces each having a plurality of preferably rectangular lenses, each lens of one face being aligned with a lens of the other face.

Abstract: A lamp with wide-angle light emission includes a housing, a light emitting module and a bulb. The housing has a coupling portion and an electrical connector formed at two ends thereof. The light emitting module is arranged at the coupling portion of the housing. The bulb covers the light emitting module and includes a center part and a border part, with the center part axially aligning with the light emitting module and the border part surrounding the center part. Furthermore, a diffusing reflector is arranged on the center part, and the border part is formed by a light transmitting portion.

Abstract: A light emitter has a light surround about the emitter formed from silicone having internally encapsulated plant materials.

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: A light emitting diode (LED) lamp includes a plurality of LED chips and a heat dissipation member configured to dissipate heat generated from the LED chips. The heat dissipation member includes a tubular unit having a constant cross-section perpendicular to an axial direction, and a plurality of fins, each of which extends outwardly from the tubular unit and extends in the axial direction, having a constant thickness in the axial direction.

Abstract: A compact LED lamp (1) is provided with a holder (20), an LED module (10) mounted on the holder (20), and a globe (70) covering the LED module (10). The holder (20) has a groove (21) surrounding the LED module (10) at a top surface (24a) of the holder (20), with a rim (70a) of the globe (70) inserted in the groove (21). When comparing an edge (D1) and an edge (D2) along a side wall (24c) of the groove (21), the edge (D1) is closer to an opening of the groove, and the edge (D2) is closer to a bottom of the groove. The edge (D2) is more recessed than the edge (D1) in a direction perpendicular to a direction of depth of the groove. Furthermore, the groove (21) has through-holes (22) at part of a bottom surface (24d) of the groove (21) to connect to a back surface (24b) of the holder (20). The groove (21) and the through-holes (22) are filled with adhesive (80).

Abstract: This specification describes technologies relating to the modification of pre-existing light fixtures such that the fixtures produce diffuse indirect lighting instead of direct lighting. Implementation of said technology comprises: a modular apparatus that attaches to pre-existing light fixtures to convert direct lighting into diffuse indirect lighting, and a method by which said apparatus is used for said purpose. Said technology enhances the aesthetics of an artificially illuminated environment and increases the comfort of users in said environment. Compared to alternative implementations comprising light fixture replacement, the technology specified herein presents reduced time, money, and skill barriers for users, is highly modular for simple user customization, and can be cleanly installed, adjusted, and removed without damage to the pre-existing light fixture, the attachment surface, or the apparatus.

Abstract: A LLB bulb includes a base, a LED light source configured to emit electromagnetic radiation, and a lens/cover having a light extracting rough surface pattern (LERSP) configured to reduce glare and reflection in the LLB bulb without light loss. A method for fabricating the LLB bulb includes the steps of providing the lens/cover, and forming the light extracting rough surface pattern (LERSP) on the lens/cover. The lens/cover can be fabricated with the light extracting rough surface pattern (LERSP) using a process such as bead blasting, sand blasting, etching (chemical or plasma), or molding.

Abstract: An LED unit includes an LED having a first optical axis and a transparent envelope receiving the LED therein. The envelope is a cylinder inclined towards a lateral side. The envelope includes two concave surfaces respectively defined at a top and a bottom thereof, and a convex surface formed on the top thereof. The two concave surfaces have the same second optical axis and the convex surface has a third optical axis. The second and third optical axes are parallel to each other and angled with the first optical axis. The second and third optical axes are inclined towards the same lateral side as that the envelope is inclined toward. The two concave surfaces and the convex surface are all aspheric.

Abstract: A holding hole of a holding body has an edge portion and an inner peripheral surface which is a concavely curved surface connected to the edge portion. In a light source unit which supports a light source, projections are formed at three locations, and each of front surfaces thereof has a convexly curved line having a curvature radius longer than that of the inner peripheral surface. When the light source unit is inserted into the holding hole, the front surfaces of the projections at the three locations are brought into point contact with the edge portion at contact portions on the convexly curved lines. By performing laser welding at these contact portions, the attitude of the light source unit after its tilt adjustment can be stabilized and fixed to the holding body.

Abstract: An LED lamp includes a lamp shade, an optical lens mounted in the lamp shade, and an LED module mounted in the lamp shade. Thus, the optical lens has a curved surface with different curvatures to reflect and refract the light beams of the LED module in different angles and directions so that after the light beams of the LED module pass through and emerge from the optical lens, the light beams of the LED module are scattered and diverged in different angles and directions from the optical lens and are distributed on the optical lens evenly and smoothly such that the LED module has a larger lighting angle so as to enhance the lighting effect and the aesthetic quality of the LED lamp.

Abstract: A focused lighting device has a plurality of light sources, each of which emits a light beam, and a focusing cup. The cup has a cup body with an opening at its top, a reflective hood positioned in the cup body and defining a plurality of reflective mirrors, with each mirror corresponding to a separate one of the light beams emitted from the light sources to reflect the corresponding light beam emitted from the light sources, so as to simulate a central light source focused in the focused cup. The focused lighting device can also include a plurality of partitions, with each partition positioned between adjacent reflective mirrors to separate the light beams emitted from the light sources so as to prevent the light beams from projecting onto non-corresponding reflective mirrors. The focused lighting device can further include a hood body disposed at the top opening of the focusing cup and having a plurality of parallel light guides.

Abstract: A signal alignment monitoring system is provided. The system includes a signal assembly including at least one signal lamp. The system also includes an alignment monitoring apparatus coupled to the signal assembly. The alignment monitoring apparatus includes a source for emitting electromagnetic energy and a detector for sensing electromagnetic energy emitted by the source to facilitate determining an alignment of the signal assembly.

Abstract: A head lamp for a motor vehicle is disclosed with a reflector for reflecting light. A light bulb is oriented within the head lamp and spaced apart from the reflector for providing illumination that is reflected from the reflector and out of the head lamp. A bulb shield is provided with a peripheral region displaced about the light bulb for preventing glare light from exiting the head lamp. In one embodiment, the peripheral region is a polygon that is not radially symmetrical. In another embodiment, the bulb shield has a rear opening and a front opening for minimizing heat within the bulb shield. In yet another embodiment, the bulb shield has a front opening and the light bulb front portion is coated with an opaque material for blocking glare light.

Abstract: The invention disclosed a light source, comprising a light tube and a plurality of prism members disposed on an outer surface of the light tube for reducing amount of external lights entering the light tube. According to the invention, the prism members disposed on the outer surface of the light tube can not only focus the light emitting from the light tube, but also increase the possibility of total reflection of the incident light.

Abstract: A lamp includes a tube, a reflector, at least one illuminator unit, at least one radiator and two connectors. The tube is made of a transparent material. A reflector is disposed in the tube. The illuminator unit includes at least one light-emitting diode for emitting light. The radiator includes a first reduced portion inserted in the tube, a second reduced portion located opposite to the first reduced portion and fins for dissipating heat generated by the light-emitting diode. The first reduced portion of the radiator is formed with a face for supporting the illuminator unit so that the light-emitting diode can cast the light to the reflector that can reflect the light. The connectors are connected to the illuminator unit for conducting electricity to the illuminator unit from a power supply.

Abstract: The invention disclosed a light source, comprising a light tube and a plurality of prism members disposed on an outer surface of the light tube for reducing amount of external lights entering the light tube. According to the invention, the prism members disposed on the outer surface of the light tube can not only focus the light emitting from the light tube, but also increase the possibility of total reflection of the incident light.

Abstract: The present invention provides a light emitting device which has high reliability and long service life by suppressing the sealing resin from peeling off the inner edge of the opening of the recess of the housing.

Abstract: A decorative light and a method for making a decorative light having layers of distinct flexible materials on a bulb are disclosed.

Abstract: A light source for machine vision applications includes a housing having a thermally conductive base plate which supports an array of high intensity LEDs. The LEDs are fitted with secondary lenses which are aimed such that the light beams from the LEDs illuminate fixed targets having a predetermined spatial relationship so that the light source produces a very uniform light field. After the lenses are aimed, they are secured in the desired position relative to their associated LEDs using a UV-curable adhesive.

Abstract: A deflection component for a luminaire is hollow and consists of two sections, of which a first section is parallel to the axis and a second section in contrast runs obliquely outwards.

Abstract: The light generation device contains a bowl-shaped reflection member for light focusing, a gas-discharge light bulb inside the reflection member, and a lens element positioned on the light bulb blocking the light beams emitted towards a front opening of the reflection member. In one embodiment, the lens element has a curved front surface so that incident light beams are refracted and redirected toward a focus point of the reflection member. In another embodiment, the lens element has a curved back surface of a specific curvature so that light beams traveling towards the lens element are reflected and redirected towards the reflection member which in turn are reflected again and focused by the reflection member.

Abstract: A light source unit comprising an arc tube 11 having a light emitting section 111 sealed sections 1121, 1122, an oval reflector 12, and a secondary reflecting mirror 13 for covering the front side of the arc tube 11 and reflecting a luminous flux radiated from the arc tube 11 toward the oval reflector 12, the center of discharging emission from the arc tube 11 is disposed at a first focal position L1 of the oval reflector 12, and the secondary reflecting mirror 13 is configured as a separate member from the arc tube 11, so that the outer peripheral portion of the secondary reflecting mirror 13 is accommodated within a circular cone shown by boundaries L3, L4 connecting a second focal position L2 of the oval reflector 12 and the distal end of the sealed section 1122 of the arc tube 11 when being mounted to the front sealed section 1122 of the arc tube 11.

Abstract: An illumination unit comprising an LED light source is disclosed, which has a first optical element disposed downstream of the LED light source in an emission direction, an electronic control unit, and a second optical element disposed downstream of the first optical element. The LED light source, the first optical element and the electronic control unit are arranged in a common housing, and the housing is covered by the second optical element.

Abstract: A bulb is adapted to fit over a light-emitting diode emitting a light of a first hue. The bulb is composed of a light-transmitting material and defines an inner cavity. The bulb includes a color-converting insert that is positioned in the inner cavity. The color-converting insert is also composed of a light-transmitting material and includes a light color-converting material. The light-emitting diode emits light of the first hue into the color-converting insert, which converts the light of the first hue into light of a desired hue, which is then emitted into the bulb and ultimately observed over a light-emitting surface of the bulb.

Abstract: A light emitting device having an hermetically sealed package that includes a light source positioned in a metal can container on which is placed an optically-transparent cover. An enclosed space formed by the metal can container and the optically-transparent cover may be filled with an inert, heat-conducting gas or liquid and the inner surface of the metal can container may be coated with a high-reflector material that prevents absorption of the light emitted by the light source. A method of producing a light-emitting device having an hermetically-sealed package and a method of dissipating heat from a light-emitting device having an hermetically-sealed package is also provided.

Abstract: The light emitting unit of this invention mainly comprises: a lamp holder made of insulating ceramics with high thermal conductivity; a plurality of heat dissipating fins protruding integrally from the outer end face of the lamp holder; a light-transmissive lamp tube provided on the lamp holder; a light source mounted in the light-transmissive lamp tube; a lampshade having a light reflecting surface in the inner edge being provided on the lamp holder corresponding to the light-transmissive lamp tube; and a light-transmitting element, corresponding to the transmissive lamp tube, provided outside the lampshade. According to this structure, significant illumination effect can be obtained from the entire light emitting device.

Abstract: A condenser for directing light from a UHP arc lamp or other generally cylindrical source onto a target such as a microdisplay in line with a front end of the lamp comprises a primary mirror to direct light from the source towards the back end of the condenser, and a secondary mirror at the back end of the condenser to direct the light from the primary mirror onto the target.

Abstract: An illuminating device includes a fluorescent lamp including a blue phosphor and a red phosphor applied on an inner surface, the fluorescent lamp emitting blue light and red light from the blue phosphor and the red phosphor, respectively; and a green phosphor layer disposed outside the fluorescent lamp, the green phosphor layer containing a green phosphor containing Eu2+ or Ce3+ as a luminescent center. Green light emitted from the green phosphor excited by the blue light is mixed with the red light and the blue light so that white light is emitted from the illuminating device.

Abstract: A lighting device having: a light-emitting diode lamp having a light-emitting diode device sealed by a glass sealing part; and a fluorescent layer disposed on the side of an illuminated object of the light-emitting diode lamp. The fluorescent layer is operable to radiate a wavelength-converted light by being excited by light emitted from the light-emitting diode device.

Abstract: Disclosed herein is a light emitting device, including: a light emitting diode; an sealing resin member having an arrangement face and configured to seal the light emitting diode; and a lens disposed on the arrangement face of the sealing resin member and formed so as to have a circular shape as viewed in the direction of an optical axis of light emitted from the light emitting diode, the lens having a concave portion formed at a central portion in such a manner as to be concave toward the sealing resin member.

Abstract: A light emitting device, which includes at least one light emitting element, has a light emission portion which emits diffused light, at least one optical element upon which a concave portion is formed in which the diffused light which has been emitted from the light emitting element is incident, and which converts the diffused light into approximately parallel light and emits the approximately parallel light thereof to the exterior, and a holder portion which has one side surface, another side surface, and at least one through hole which extends between the one and the other side surfaces, and which holds the light emitting element and the optical element, in which the optical element is inserted into the through hole from a side of the one side surface of the holder portion, and is fixed therein, and the light emitting element is inserted into the through hole to which the optical element is fixed from a side of the other side surface of the holder portion, and is fixed therein.

Abstract: An illumination device for simulating neon or similar lighting is generally comprised of a rod-like member, a housing, a light source, and an intermediate light-transmitting medium extending along and positioned adjacent the light source with a light-receiving surface for receiving light emitted from said light source and a light-emitting surface for emitting light into the rod-like member. This intermediate light-transmitting medium is preferably composed of a matrix of a substantially translucent acrylic, polyurethane, or similar material tinted with a predetermined combination of one or more fluorescent and/or phosphorescent dyes. The intermediate light-transmitting medium is subdivided into independent sections, each of which is provided with differing combinations of fluorescent dye, phosphorescent dye, and/or no dye at all.

Abstract: A utility light includes a housing having a storage section, a first light cover having a first color being removably attachable within the storage section, and a second light cover having a second color and being removably attachable within the storage section. The utility light also includes a light coupled to the housing, the light having a mounting section to interchangeably receive one of the first or the second light covers.

Abstract: A lighting source structure has a base having at least one electrode coupled to a power source and a plurality of light sources, with each light source electrically coupled to the electrode to produce light when stimulated. The plurality of light sources are arranged on the base in a manner such that the light produced from the plurality of light sources is projected to form a lighted area that has a central focus point which is separate from the locations of each of the plurality of light sources.

Abstract: An LED or incandescent light source is positioned in a reflector arranged to reflect light from the LED or incandescent light source which is radiated from the LED or incandescent light source in a peripheral forward solid angle as defined by the reflector. A lens is disposed longitudinally forward of the LED or incandescent light source for focusing light into a predetermined pattern which is radiated from the LED or incandescent light source in a central forward solid angle as defined by the lens. The apparatus comprised of the combination projects a beam of light comprised of the light radiated in the central forward solid angle and peripheral forward solid angles.

Abstract: A light source device for preventing a light guide plate from being discolored due to a light supplied by a lamp is disclosed. At least one masking film that is made of a transition metal oxide is disposed in a pathway of the light that is emitted by the lamp and transmitted to a display unit to display images in order to cut off ultraviolet rays having particular wavelengths capable of discoloring the light guide plate. Accordingly, it is possible to prevent the light guide plate, which is made of polyolefin resin composition to make it lightweight, from discoloring in yellow.

Abstract: A light emitting element is mounted on a substrate, a convex seal made of a transparent material is provided for sealing the light emitting element. The seal has a rectangular shape in plan view and has a convex shape. The convex shape of the seal has a first top in a direction of a long side of the rectangle, and has a second top in a direction of a short side of the rectangle, the first top has a first curved sectional shape, the second top has a second curved sectional shape, an average curvature of the first curved sectional shape is set to a value so that lightbeams discharged from the first top are expanded in the direction of the long side.

Abstract: An adjustable lighting system which is particularly applicable for efficiently and effectively lighting areas of limited ceiling height such as parking garages and the like. A lamp base is supported within a housing in a manner so that it may be vertically adjustable with respect to a lower reflector carried by the housing. An upper reflector, which is vertically adjustable with respect to both the lamp base and the housing, is selected to provide a desired pattern of lighting for a particular installation. Although the lighting system may be employed with a plurality of different lamps, use of an induction lamp is preferred, and when an induction lamp is used, the combination of it with a novel, upper reflector of combined curvature having a central frustoconical downward section, is particular advantageous and provides excellent uniform distribution of illumination.