Abstract: Provided is an optical element including, sequentially from a viewing surface side toward a back surface side: a first polarizer; a negative C plate; a phase difference layer; and a second polarizer. A transmission axis of the first polarizer is parallel to a transmission axis of the second polarizer. The phase difference layer contains anisotropic molecules. In the phase difference layer, a tilt angle of the anisotropic molecules on a viewing surface side in the phase difference layer and a tilt angle of the anisotropic molecules on a back surface side in the phase difference layer are the same as each other and greater than 0°. A slow axis of the phase difference layer, in a case of lying in a tilt direction of the anisotropic molecules, is parallel to or perpendicular to the transmission axis of the first polarizer.

Abstract: An embodiment of the present application provides a lighting lamp comprising: a first housing, extending in a first direction and provided with a first fixing part, wherein, the first fixing part extends along the first direction; a second housing, provided at an end of the first housing along the first direction, wherein, the second housing is provided with a second fixing part, and the second fixing part extends along a thickness direction of the second housing; and at least one connecting component, comprising at least one first connecting part provided in close to the first housing and at least one second connecting part provided in close to the second housing, wherein, the at least one first connecting part and the first fixing part are fixedly connected, and the at least one second connecting part and the second fixing part are fixedly connected.

Abstract: A light system is provided. The light system includes a top housing, a bottom housing, and a side surface extending between the top housing and the bottom housing. An angled reflective surface is arranged between the top housing and the bottom housing and a lighting element is arranged between the top housing and the angled reflective surface. The lighting element is configured to direct light toward the bottom housing to reflect off of the angled reflective surface and out of the side surface.

Abstract: Various optoelectronic modules are described and include one or more optoelectronic devices. Each optoelectronic module includes one or more optoelectronic devices. Sidewalls laterally surround each optoelectronic device and can be in direct contact with sides of the optoelectronic device or, in some cases, with an overmold surrounding the optoelectronic device. The sidewalls can be composed, for example, of a vacuum injected material that is non-transparent to light emitted by or detectable by the optoelectronic device. The module also includes a passive optical element. Depending on the implementation, the passive optical element can be on a cover for the module, directly on a top surface of the optoelectronic device, or on an overmold surrounding the optoelectronic device. Methods of fabricating such modules are described as well, and can facilitate manufacturing the modules using wafer-level processes.

Abstract: A plant growth lighting system includes a plant support and a light guide luminaire module, the plant support being configured to hold one or more plants. The light guide luminaire module includes at least one light-emitting element (LEE), a light guide arranged to receive light emitted by the at least one LEE at a first end of the light guide and guide the received light in a forward direction to a second end thereof, and an extractor arranged to receive light from the second end of the light guide and configured to output light. The light guide luminaire module is disposed relative to the plant support such that at least a portion of the light output by the extractor impinges on the plants in predetermined directions.

Abstract: A steerable illumination fixture includes an emitting source and a refractive optical system that steers an emitted beam by relative translation of the emitting source against the optical system. The light emitting source may be placed along an optical axis of one or more lenses to produce an output beam along that axis, or translated in-plane (orthogonal to the optical axis) relative to the lenses to produce a steered beam. The optical system may include refractive lenses or mixing channels and/or one or more baffles with apertures. A round, uniform beam results that retains approximately the same power level and beam width as it is steered. A second lens having a diameter equal to or larger than a first lens may be provided and configured with an effective focal plane of the two lenses located approximately at the plane of the light emitting source.

Abstract: A display device includes: a module cover; a display panel which is positioned in front of the module cover, and is coupled to the module cover; a frame which surrounds a side surface of the module cover, the frame including a first frame adjacent to one side of the module cover and a second frame adjacent to the other side of the module cover opposite to the one side of the module cover; a bar which is positioned behind the module cover, extends long between the first frame and the second frame, and is coupled to the first frame and the second frame; and a mount which is positioned behind the module cover, adjacent to the one side of the module cover, and is coupled to the bar, wherein the mount is coupled to the first frame and the module cover.

Abstract: An optical device includes: a light-transmissive member having a first reflective surface configured to reflect, to an arc-shaped first region around a first axis, first light incident along the first axis and having a light distribution characteristic with an optical axis parallel to the first axis; and a reflector having: a second reflective surface and a third reflective surface intersecting each other on the first axis and disposed such that the first reflective surface is located between the second reflective surface and the third reflective surface; and a fourth reflective surface disposed between the second reflective surface and the third reflective surface to reflect the first light to the arc-shaped first region around the first axis.

Abstract: A phosphor-containing film capable of suppressing deterioration of phosphor and capable of suppressing generation of luminescent spots and the reduction in luminance due to a defect of the resin layer. The film includes: a phosphor-containing layer having a resin layer which has impermeability to oxygen and is provided with a plurality of discretely arranged concave portions, and a plurality of fluorescent regions, each of which is arranged in the concave portion of the resin layer and contains a phosphor that deteriorates through a reaction with oxygen when exposed to oxygen; and a first substrate film and a second substrate film, which are respectively laminated on one main surface and the other main surface of the phosphor-containing layer, in which the fluorescent regions contain a binder and quantum dots serving as the phosphor.

Abstract: A lighting device for vehicles with an elongate optical waveguide, with a light source associated with a first end of the optical waveguide, with a carrier plate bearing the light source and with a holder which is connected to the optical waveguide in an end region, wherein the optical waveguide is provided with an opaque casing at least in the end region, which has at least one fastener via which the optical waveguide is fastened to the holder.

Abstract: A light irradiation device includes at least one irradiation unit including a reflective surface which is disposed in a concave inner surface formed to have a substantially arc shape and into which a wire member is inserted, and a light source which is configured to emit light toward the wire member and is disposed so as to face the reflective surface in a direction of an optical axis of the emitted light, and an insertion portion configured to interiorly form an insertion path for inserting the wire member into the reflective surface. The reflective surface is disposed such that a center of the substantially arc shape is eccentric with respect to a center of the insertion path.

Abstract: A solid state light emitter lighting assembly (100) and a luminaire are provided. The solid state light emitter assembly comprises a light exit window (110), a reflector (120?, 120?), a light guide (150?, 150?) and a solid state light emitter (160). The reflector reflect light towards the light exit window and has at least one edge (122?, 122?) bending towards the light exit window. The light guide receives light at a first end (152) and emits at a second end (154?, 15?) the guided light towards the reflector. The first end is arranged at a first side of the at least one edge. The first side is away from a reflecting surface (124) of the reflector. The solid state light emitter is also at the first side and emits light towards the first end of the light guide. A portion of the light that is reflected by the reflector is transmitted through the light guide through side surfaces of the light guide.

Abstract: A light-emitting device includes: a base member that comprises conductor wirings; a light-emitting element that is mounted on the base member and emits first light; a wavelength conversion member that is disposed on or above an upper surface of the light-emitting element and is adapted to absorb at least part of the first light and emit second light with a wavelength longer than a wavelength of the first light; a light-reflective film that is disposed on an upper surface of the wavelength conversion member; and an encapsulating member that covers the light-emitting element, the wavelength conversion member, and the light-reflective film. A ratio (H/W) of a height (H) to a width (W) of the encapsulating member is smaller than 0.5.

Abstract: A method of producing a light-emitting arrangement includes providing a carrier including a top side, attaching a multitude of first conversion elements on the top side of the carrier, wherein the first conversion elements are arranged in a lateral direction spaced apart from one another, attaching an encapsulation on the top side of the carrier, wherein the encapsulation covers the carrier and the first conversion elements at least sectionally, removing the encapsulation in regions between the first conversion elements, and attaching optoelectronic semiconductor chips between the first conversion elements.

Abstract: A light emitting diode lamp is composed of a reflective mirror, a pillar and a plurality of light emitters disposed in radial arrangement about a focal point of the reflective mirror on the surface of the pillar. Each of the plurality of light emitters is composed of a light emitting diode and a lens forming a virtual image in a position of the focal point located behind the light emitting diode. Additionally, a plurality of light emitting diode elements composing the light emitting diode in each of the plurality of light emitters emit light rays with the same wavelength, and the light emitting diodes in the plurality of light emitters emit the light rays with at least two types of wavelength.

Abstract: A lighting apparatus includes a light source located on a centerline, a light redirecting lens positioned to receive light from the light source, and an outer reflector that receives light redirected by the redirecting lens. The redirecting lens includes an inner reflecting portion that includes a total internal reflection (TIR) surface that reflects light outward to an outer refracting portion. The outer refracting portion of the redirecting lens refracts the light outward and away from the position of the light source. The outer reflector receives the refracted light and reflects the inward toward the centerline and farther away from the light source. The lighting apparatus further includes a diffuser that diffuses the light from the outer reflector. The lighting apparatus may be configured longitudinally or may be configured to be rotationally symmetrical with respect to the centerline.

Abstract: An illuminating apparatus includes a light source and an optical member that is disposed in front of the light source and controls light distribution of light emitted from the light source. The optical member has a pair of principal surfaces, and a plurality of prisms extending in one direction are provided on at least one among the pair of principal surfaces. The plurality of prisms include a plurality of reflecting prisms that are provided in a first region A among two regions divided at a virtual plane including a reference axis and emit light entered upon reflecting it at a reflecting surface and a plurality of refracting prisms that are provided in a second region among the two regions and emit light entered upon refracting it at a refracting surface.

Abstract: A lighting device that is designed for vehicles and that comprises a first light emitting unit for generating a first light function and a second light emitting unit for generating a second light function. The second light emitting unit has a flat light guide having a narrow side at the light input face for coupling light into the flat light guide, as well as opposing flat sides. The flat light guide has a rear flat side, which is arranged rearwards seen in the main direction of emission, and a front flat side, which is arranged forwards seen in the main direction of emission. Output elements and/or a reflecting face are associated with the rear flat side of the flat light guide in a light output section of said flat light guide. The flat light guide comprises a light passage section, in which no output elements and no reflecting face are associated with the rear flat side.

Abstract: A refrigerator with an ultraviolet LED may be provided that includes: a base disposed on a first member and a second member which are placed within the refrigerator and have one surfaces having facing directions crossing each other; a first fixing member disposed between the base and the first member; a second fixing member disposed between the base and the second member; and an ultraviolet LED being disposed on the top surface of the base and emitting light toward the interior space of the refrigerator.

Abstract: A reflector device for a light source device having a light emitter, wherein the reflector device includes first and second reflectors. The first reflector has a first reflector surface adapted to produce a first light beam and the second reflector has a second reflector surface different from the first reflector surface and which is adapted to produce a second light beam different than the first light beam. The second reflector is adapted to be removably coupled to the first reflector such that both reflectors are coupled to the light source device at the same time. This allows a user to change a beam pattern of the light source between a first, default, beam pattern and a second beam pattern by interchanging the second reflector on the light source.

Abstract: An interior illumination assembly comprising a lamp housing mountable on an interior panel and a lamp removably supportable within the lamp housing. The lamp includes an LED module carrying an LED and removably receivable by the lamp housing into an installed position in the lamp housing. A lens is disposed across the module opening and a reflector carried by the LED module reflects light from the LED through the lens into the compartment.

Abstract: Light sources with arrangements of multiple LEDs (or other light-emitting devices) disposed at or near the focus of a reflecting optic having multiple segments facilitate varying the angular distribution of the light beam (e.g., the beam divergence) via the drive currents supplied to the LEDs.

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 security light system for a fence includes a security light having a light module with an LED, a hat overlying the LED for reflecting light, a junction box having an interior compartment containing an LED driver for controlling operation of the LED, the junction box including a front end having a front opening and a rear end opposite the front end, and a front cover plate covering the front opening. The security light includes an extension tube having an upper end secured to the light module and a lower end secured to the junction box, a clamp assembly for securing the junction box to a fence post, and an offset bracket positioned between a rear end of the junction box and the fence post for spacing the junction box from the fence post which, in turn, spaces the hat from the fence post.

Abstract: The invention relates to a luminaire arranged to illuminate a surface comprising: a light source emitting light rays; a reflective device comprising: a main reflective member arranged to redirect the light rays, according to a primary light beam, for illuminating a main area of the surface, the light rays being obliquely oriented with respect to the surface, an edge of the main area defining accordingly a curve having an apex, and a referential line not crossing the curve and being separated from the apex by a determined distance is defined; secondary reflective concave elements designed and arranged with respect to the main reflective member so as to illuminate, according to respective secondary light beams, respective secondary areas located between the curve and the referential line. The invention also relates to an optical accessory.

Abstract: A backlight assembly includes a light emitting unit, a reflective sheet, and a bottom cover. The light-emitting unit includes a light source emitting light and an optical system. The optical system is spaced apart from the light source in a direction in which the light emitted from the light emitting unit initially travels. The optical system has a curved shape that reflects a portion of the light emitted from the light source and transmits a remaining portion of the light emitted from the light source. The reflective sheet is disposed under the light-emitting unit to re-reflect the light reflected by the optical system. The bottom cover accommodates the light emitting unit and the reflective sheet. Thus, the light-spreading angle of the light-emitting unit becomes wide.

Abstract: The invention relates to a recessed light having a base body for holding a light source and a dome-shaped reflector which can be detachably fastened to the base body by means of a connecting element. The connecting element is designed such that an optical element for influencing the emission of light is accommodated and fixed when the base body and the reflector are fitted together.

Abstract: A lighting device comprises a heat sink, a housing mounted to and/or thermally coupled to the heat sink, a basket assembly attached to the housing, a solid state light emitter thermally coupled to the heat sink, and a baffle assembly attached to the housing. Also, a lighting device comprising a basket assembly and a baffle assembly. In some embodiments, the basket assembly comprises a first member defining a first opening, a second member, a space between the first and second members, and lenses in the opening and in the space. In some embodiments, the heat sink extends farther in a first direction in a first plane than a largest dimension of the housing in any plane which is parallel to the first plane. In some embodiments, at least one additional component (e.g., a power supply module or a junction box) is in contact with the heat sink element.

Abstract: The present disclosure provides one embodiment of an illumination structure. The illumination structure includes a light-emitting diode (LED) device on a substrate; a lens secured on the substrate and over the LED device; and a diffuser cap secured on the substrate and covering the lens, wherein the lens and diffuser cap are designed and configured to redistribute emitting light from the LED device for wide angle illumination.

Abstract: A luminous unit (1) for an optical recording device (13) comprising a light source (2) for generating radiation and a partly reflective element, which is disposed downstream of the light source (2) in a main emission direction (H) and subdivides a space into a first half-space facing the light source (2) and a second half-space remote from the light source (2), wherein the partly reflective element at least partly transmits the radiation coming from the light source (2) from the first half-space and at least partly reflects the external radiation coming from an opposite direction from the second half-space.

Abstract: An economical LED light module configured to emit a uniform pattern of light from a single LED utilizing a minimal amount of energy and exhibiting a long and useful life is provided. The LED light module includes a main hyperbolic reflector and a plug receptacle having an electrical connector configured for electrical communication with a power source. A LED is mounted in electrical communication with the electrical connector. An elongate light pipe extends between a light receiving end configured to receive light emitted from the LED and a light emitting end. The light emitting end has a parabolic reflector positioned concentrically about a focal point of the hyperbolic reflector.

Abstract: An optical device includes a high pressure discharge lamp, a concave condensing mirror placed so as to surround the high pressure discharge lamp while an optical axis stays extended along a direction of an arc of the high pressure discharge lamp, and an aspherical lens that is placed forward the light exit direction of the concave condensing mirror and that is rotationally symmetrical with respect to the optical axis of the concave condensing mirror, in which a reflecting surface of the concave condensing mirror is configured so as to have a shape set in connection with the shape of a light incident surface and the shape of a light exit surface of the aspherical lens.

Abstract: A light-emitting device includes: a transparent substrate including a mounting surface, a circuit path formed on the mounting surface, and two opposite contacts formed on the mounting surface; a light-emitting diode chip that includes two electrodes and that is mounted on the mounting surface; and a reflecting cup disposed on the mounting surface to cover the light-emitting diode chip. The reflecting cup is formed with an inner recess that faces the mounting surface, and a reflecting layer formed on a recess-defining wall that defines the inner recess. The reflecting layer is capable of reflecting light from the light-emitting diode chip toward the transparent substrate.

Abstract: A structure is provided to create an efficient light pattern conversion from a narrow angular light beam pattern of a light emitting source to a wide angle light intensity distribution for an omnidirectional lighting assembly. A heat conductive substrate includes an LED array with at least one central and at least one surrounding LED. A hollow light diverting component is positioned over the LED array; a central LED is within the hollow component while surrounding LEDs are positioned outside. Light emitted by the central LED is reflected off inner surfaces of the hollow component to be discharged from an upper opening. The outer component surface is configured to reflect light from the surrounding LEDs in azimuthal and circumferential directions towards a region below the upper opening. In this manner, plural LEDs are used to form a wide angle emission pattern suitable for use in conventional light bulb replacement devices.

Abstract: An illumination device capable of suppressing formation of a double image in three-dimensional display, and a display unit including the illumination device are provided. In a light modulation device bonded to a light guide plate, a scattering region that scatters light propagating within the light guide plate, and a transmissive region that allows light propagating within the light guide plate to pass therethrough are formed through control of an electric field. The scattering region scatters light to generate linear illumination light. A reflector is provided directly below the light modulation device. The reflector reflects light, which is part of the scattered light generated in the scattering region and is emitted to a reflector side, to generate reflected light to be focused directly below the scattering region.

Abstract: A lamp includes a projection lens, a light-emitting element disposed rearwardly of a rear-side focal point of the projection lens to be directed upward, a reflector disposed to cover the light-emitting element from an upper side to reflect light from the light-emitting element toward the projection lens, and a shade disposed with an upper end edge thereof passing closely below the rear-side focal point to block part of reflected light from the reflector. Generally the entirety of a portion of the projection lens positioned above the optical axis is cut away. A reflective surface that reflects downward the reflected light from the main reflector is formed on a rear surface of the shade. A sub reflector that reflects forward the reflected light from the reflector reflected by the reflective surface of the shade so as not to be incident on the projection lens is disposed below the shade.

Abstract: Disclosed is a luminaire having a light exit window (30) for emitting light from the luminaire, and a reflective screen (40) arranged opposite the light exit window. The luminaire further includes a light source (20) which is arranged for indirect illumination of the light exit window via the reflective screen. The light source is arranged near the light exit window on an imaginary plane P substantially parallel to the light exit window and emits light away from the light exit window. The luminaire further includes a specularly reflective part (43) as part of the reflective screen, which specularly reflective part is concavely shaped for reflecting at least part of the light emitted by the light source towards a diffusely reflective part (42) of the reflective screen.

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: A reflector for a strip-type LED lamp. The reflector is generally of U-section, longitudinally elongated, and formed by a longitudinally extending floor formed with a plurality of holes adapted to be aligned with respective LEDs of the lamp, and a pair of longitudinally extending side walls projecting transversely from outer edges of the floor and diverging away from the floor. The side walls have respective outer edges deflectable elastically transversely toward each other.

Abstract: A light flux controlling member has a flange projecting outward of a radial direction of a light controlling emission surface and leg parts arranged within a range of area width L in a back surface and on the reference optical axis side of the boundary between the flange and the light controlling emission surface, and L is given by L=t×tan(???), where: t is the thickness of the flange or the height from the back surface to the outermost rim part; ? is an angle of incidence of a light parallel to the reference optical axis and incident on the light controlling emission surface in the outermost rim part; and ? is an angle of emission, from the light controlling emission surface, of a refraction light generated when the light parallel to the reference optical axis is incident on the light controlling emission surface from the outermost rim part.

Abstract: The present invention is directed to a beacon light with a light emitting diode (LED) reflector optic. In one embodiment, the LED reflector optic includes a reflector having a plurality of reflecting surfaces and being associated with at least one optical axis, each reflecting surface including a curved cross-section and at least one LED positioned at a focal distance of a respective one of the plurality of reflecting surfaces.

Abstract: A light fixture for an induction-based light source is described. The light fixture comprises a top cover; a lower cover coupled with the top cover; a lens coupled with the lower cover; a reflector positioned behind the lens; and an induction-based light source positioned between the lens and the reflector, wherein the reflector is configured in relation to the induction-based light source.

Abstract: A street lighting fixture having a flat upper surface designed to increase the inner space of a reflector, allowing to install induction lamps of great size solving the problem of universality, additionally having a trapezoidal-shaped convex central portion which facilitates the installation of the lamp.

Abstract: Today the use of false ceilings is decreasing as it involves too high an energy consumption. The tendency nowadays is to have bare concrete ceilings onto which luminaires are mounted, which often causes acoustical problems. The invention deals with these acoustical problems and relates to an illumination device (1) comprising a concave reflector (2) bordering,with an outer edge (3),on a light emission window (4). The reflector has a reflective surface (7) facing the light emission window. The illumination device further comprises lamp holding means (8) for accommodating a light source (9),and said lamp holding means being positioned in between the reflective surface and the light emission window. The illumination device is characterized in that the reflector is made of acoustically absorbing material.

Abstract: A lighting apparatus is presented, having a Lambertian or quasi-Lambertian light source with an emitter side, as well as a reflector structure having an output side and a reflective surface with a concave parabolic contour that reflects light from the emitter side of the light source to provide Lambertian or quasi-Lambertian output light from the output side.

Abstract: A light source device is provided such that light emerges mainly from the axially central section of an outer tube and is configured to minimize the risk of thermal damage to electronic components of a circuit unit. The device includes: a semiconductor light-emitting element as a light source; a circuit unit driving the semiconductor light-emitting element to emit light; and an envelope formed from an outer tube and a power connector, the envelope housing the semiconductor light-emitting element and the circuit unit. A light diffuser having a reflective outer surface to diffuse incident light is disposed at least partially in the axially central section of the outer tube. The semiconductor light-emitting element is disposed on a side of the light diffuser at which the power connector is located and in an orientation that its main emission direction points toward the light diffuser.

Abstract: A light source device includes: a microwave power source which generates microwaves; a central conductor which radiates the microwaves; and a light emitter which emits light by receiving the microwaves, wherein the central conductor and the light emitter are spaced from each other.

Abstract: A luminaire to be carried by a lighting fixture. The luminaire may include a housing, a primary optic disposed within the housing having a reflective inner surface defining an optical chamber, a light source, and a heat sink defining an aperture through which light may propagate. The light source may include a plurality of light-emitting diodes (LEDs). The luminaire may further include a secondary optic positioned adjacent to the light source that may collimate and/or refract light emitted by the light source, and may form a seal between the light source and the optical chamber. The luminaire may further include a color conversion layer configured to change the color of light emitted by the light source.

Abstract: Disclosed is a simple lighting device for photographing, which makes it possible to take an artistic picture of a human, which is an object to be photographed, enhancing his or her facial expressions, without the need of troublesome light source adjustment. The lighting device comprises a reflecting plate (2) which has a concave shaped surface with respect to the object to be photographed and which has a transmission area (22) which permits light to pass therethrough, and a light emitter (1) which is provided on the convex surface side of the reflecting plate (2) and which emits light toward the transmission area (22). The light emitted from the light emitter (1) and transmitted through the transmission area (22) is irradiated onto the object to be photographed and is reflected by the reflecting plate (2) toward the object to be photographed.

Abstract: Provided is a lighting apparatus that is suitable as a substitute for a conventional halogen lamp when positively utilizing leaked light. The lighting apparatus comprises: a heat dissipator 12 that is in one of a bottomed cylindrical shape and a bowl shape, and that has a bottom portion, a circumferential wall portion, and an opening; and a light-emitting device 18b that is provided inside the heat dissipator 12 at the bottom portion and is operable to emit light, wherein the heat dissipator 12 has one or more windows 19 for leaking the emitted light outside the heat dissipator 12.