Entries |
Document | Title | Date |
20080198605 | Projector - Disclosed is a projector comprising a lamp and a reflector which reflects the light beams emitted by the lamp towards a light output hole of the projector. The position of the reflector and the lamp relative to each other can be modified, the distribution of the light that is output being adjustable by displacing the reflector and/or the lamp. The reflector is provided with facets which embody a reflective surface to reflect the light beams emitted by the lamp. The surface shape of said facets is designed such that the light beams generate a luminous field which has a desired light distribution and whose light beam width can be adjusted within a large range by displacing the reflector and/or the lamp. | 08-21-2008 |
20080212327 | Illumination System of a Microlithographic Exposure Apparatus - An illumination system of a microlithographic exposure apparatus has an optical axis and a beam transforming device. This device includes a first mirror with a first reflective surface having a shape that is defined by rotating a straight line, which is inclined with respect to the optical axis, around the optical axis. The device further includes a second mirror with a second reflective surface having a shape that is defined by rotating a curved line around the optical axis. At least one of the mirrors has a central aperture containing the optical axis. This device may form a zoom-collimator for an EUV illumination system that transforms a diverging light bundle into a collimated light bundle of variable shape and/or diameter. | 09-04-2008 |
20080219008 | Lighting Device with Composite Reflector - A light fixture device comprises a reflector portion having a pair of parallel longitudinal boundary regions and a pair of parallel lateral boundary regions; the reflector portion being shaped according to a longitudinal focal line, a pair of housing portions, each for engaging a corresponding lateral boundary region; at least one connector portion for coupling the housing portions together with the reflector portion. | 09-11-2008 |
20080247170 | LED ILLUMINATION DEVICE WITH A HIGHLY UNIFORM ILLUMINATION PATTERN - An LED (light emitting diode) illumination device that can generate a uniform light output illumination pattern. The illumination source includes first and second reflectors with a conic or conic-like shape. One reflector is mounted in the same plane as the LED and wraps around the front of the LED to redirect the light emitted along a central axis of the LED. | 10-09-2008 |
20080266870 | METHOD AND APPARATUS TO IMPROVE EFFICIENCY OF LIGHTING - A method and apparatus to increase efficiency of wide area lighting fixtures having a lamp mounting opening in a reflector or reflector frame, which results in gap(s) or spaces that do not control incident light to the intended target. The gap(s) or spaces(s) are covered with reflecting surfaces which do control incident light to increase efficiency of the fixture. | 10-30-2008 |
20080285286 | Faceted par lamp - A PAR lamp ( | 11-20-2008 |
20080291680 | Luminaire with a Compound Parabolic Reflector - Luminaires for illuminating a target zone having target zone subregions in front of and to the sides of the luminaire. The luminaire includes a housing, a lamp holder in the housing positioned to support an electric lamp in a generally vertical orientation, and a compound parabolic reflector in the housing partially surrounding a lamp light-emitting segment location having plural regions. Preferred forms of the compound parabolic reflector include segmented center and side portions. The preferred segmented center portion has a first plurality of two-dimensional parabolic segments each of which has a focal point in a different one of the plural light-emitting segment location regions. The preferred segmented side portions are each provided with a second plurality of two-dimensional parabolic segments having focal points along the light-emitting segment location. The parabolic segments are effective to direct a preponderance of light toward the plural target zone subregions. | 11-27-2008 |
20080310168 | Light Source System and Display Apparatus Comprising the Light Source System - A light source system and a display apparatus comprising the light source system are provided. The display apparatus comprises the light source system and an imaging system. The light source system is configured to provide a light for imaging. The light source system comprises a mirror wheel and at least two light source modules, configured to provide at least two light beams respectively. These light beams are lit up according to a predetermined sequence. After being reflected by or directly passing through the mirror wheel, the light beams form a continuous light, traveling into the imaging system for imaging on a screen. | 12-18-2008 |
20090002998 | Reflective iris - According to embodiments described in the specification, a reflective iris is described for concentrating collimated light emitted from a parabolic lamp, the parabolic lamp comprising a lamp aperture from which the collimated light is emitted. The reflective iris is comprised of a planar reflective element for reflecting the collimated light back towards the parabolic lamp, a shape of the planar reflective element being generally complementary to a shape of the lamp aperture; and an optical aperture through the planar reflective element, disposed around a perpendicular axis of the planar reflective element, for light to pass through the planar reflective element. When the reflective iris is axially aligned with the parabolic lamp, the collimated light is reflected from the planar reflective element back towards the parabolic lamp, for reflection back through the optical aperture. | 01-01-2009 |
20090016065 | Reflector for a Lighting Device and Illumination System of a Projection Apparatus - A reflector for the lighting device and an illumination system of the projection apparatus are provided. The reflector comprises a first reflecting structure and a second reflecting structure disposed on the portion of the first reflecting structure. The reflecting surfaces of the first and second reflecting structures are formed with a distance therebetween. After the first portion of the light is reflected from the first reflecting surface and the second portion of the light is reflected from the second reflecting surface, the second portion of the light is adapted to remove the centrally dimmed area at the opening of the lighting device. Thus, the luminance performance can be improved. | 01-15-2009 |
20090027892 | Lamp - The invention relates to and discloses a light fixture ( | 01-29-2009 |
20090034264 | Backlight module - A backlight module includes a light source, a light guide plate and a reflector. The light guide plate includes a light incidence surface, a light-emitting surface opposite to the light incidence surface, and a pair of side surfaces connecting the light incidence surface to the light-emitting surface. The light-emitting surface of the light guide plate includes a groove formed therein. The reflector is placed between the light source and the light incidence surface of the light guide plate, and located corresponding to the groove of the light-emitting surface of the light guide plate. The reflector includes a light-receiving surface. The light source is facing the light-receiving surface of the reflector. | 02-05-2009 |
20090046468 | LIGHT GUIDE BLOCK AND RELATED ILLUMINATION DEVICE AND BACKLIGHT MODULE HAVING THE SAME - A backlight module ( | 02-19-2009 |
20090073698 | Image reading device and image forming device - An image reading device, includes an illumination optical system which has a light source unit configured to emit light being illuminating light to an illuminated object; an optical member configured to have a plurality of reflecting plates and collect the light emitted from the light source unit; and a plurality of reflecting members, the light emitted from the light source unit being collected by the optical member, and the collected light being reflected by the plurality of reflecting members to illuminate a reading target area on the illuminated object, and at least one reflecting surface of the optical member or the plurality of reflecting members having a relief structure. | 03-19-2009 |
20090080198 | SPATIAL LUMINANCE - A method and apparatus are disclosed for receiving light from one or more light sources, each of which comprises a substantially point-like light source. The received light is them emitted over an extended surface area including a first surface of an optical controller arranged to refract light received from at least one light source, a second surface of the optical controller arranged to reflect the light received from the first surface of the optical controller, the first surface and the second surface being arranged with respect to each other to enable total internal reflection of the light reflected from the at least one light surface, and a plurality of reflection elements located within the optical controller arranged to alter the path of the light traversing the optical controller so as to direct light out of the optical controller. | 03-26-2009 |
20090097259 | METHOD FOR MANUFACTURE OF REFLECTING MIRROR, REFLECTING MIRROR, ILLUMINATION DEVICE, AND PROJECTOR - An auxiliary reflecting mirror is manufactured by heating the central portion of a quartz glass tube and compressing the central portion by pushing two end portions of the quartz glass tube so that the wall thickness of the central portion thickens, accommodating the quartz glass tube after thickening the wall thickness of the central portion in a mold having inner surfaces formed to the reflecting surface shape, which is to be formed in an auxiliary reflecting mirror, and forming an expanded portion by expanding the central portion, of which the wall thickness was thickened, by introducing a gas from the two ends of the quartz glass tube, cutting the quartz glass tube in at least the central portion of the expanded portion, evaporating a reflecting film on the outer surface of the expanded portion and forming a reflecting surface. | 04-16-2009 |
20090109683 | LIGHT GUIDE PLATE FOR DISPLAY DEVICE - A light guide plate according to the present invention includes an incident plane into which a light flux from a light source is incident, and a plurality of prisms having reflection planes reflecting the light flux incident from the incident plane, wherein the reflection planes of the plurality of prisms are extended to cross in a direction in which the light flux from the light source incident into the incident plane travels, and of the reflection planes of the plurality of prisms, the reflection plane of at least one prism closest to the incident plane is formed in a recess shape with respect to the incident plane. Thereby nonuniformity of backlight illumination can be improved and a display device can be uniformly and efficiently illuminated. | 04-30-2009 |
20090109684 | ENERGY SAVING LIGHT STRUCTURE - An energy saving light structure includes a socket and an energy saving bulb mounted in the socket. The socket is provided with an oval spherical multi-reflector on the inner wall of the socket. The multi-reflector has a number of rectangular reflecting plates connected in series. The multi-reflector is formed with a concave oval spherical reflecting section. The inner wall of the reflecting section is formed with a corrugated reflecting surface to enhance the illumination effect and save energy. | 04-30-2009 |
20090109685 | Lighting Apparatus - A lighting apparatus includes a reflector, a light source, and a lens unit. The reflector has an open side, and a reflective surface that extends from a periphery of the open side and that defines a compartment. The light source is disposed in the compartment and emits light toward the reflective surface. The reflective surface reflects the light from the light source towards the open side. The lens unit is disposed to close the open side and permits passage of the light reflected by the reflective surface therethrough. The lens unit includes a central lens portion, and first and second side lens portions respectively disposed on two sides of the central lens portion. The central lens portion and the first and second side lens portions are Fresnel lenses, and are configured to redirect the light passing therethrough to result in rectangularly-distributed illumination outwardly of the lighting apparatus. | 04-30-2009 |
20090116244 | LIGHT-EMITTING MODULE - A light-emitting module includes a substrate having a first surface and a second surface, at least one light-emitting device disposed on the first surface of the substrate, and an optical reflection layer disposed on the first surface of the substrate and surrounding the light-emitting device for receiving a portion of light emitted from the light-emitting device and reflecting the portion of light. The substrate can be rigid or flexible. | 05-07-2009 |
20090129093 | SHADOW-FREE COVE LIGHT - A light fixture, particularly adapted for cove lighting, includes an angled reflector assembly that directs light from a fluorescent tube generally toward the back wall of a cove that is above the electrical sockets of the light fixture. The angled reflector assembly is designed such that light is directed from the main illumination portion of the fluorescent tube, rather than from the cool spots of the fluorescent tube. The light fixture reduces dark spot formation in the backlighting of the back wall and therefore provides a relatively even illumination pattern. | 05-21-2009 |
20090129094 | PRISM SHEET AND BACKLIGHT MODULE USING THE SAME - An exemplary prism sheet includes a transparent main body. The main body includes a first surface, a second surface opposite to the first surface, a plurality of elongated, curved micro-depressions formed in the first surface, and a plurality of elongated, curved micro-protrusions protruding out from the second surface. The micro-depressions extend along first imaginary circular arcs having a same curvature. The micro-protrusions extend along second arcs having a same curvature. A backlight module using the present prism sheet is also provided. | 05-21-2009 |
20090147525 | SOLID-STATE ILLUMINATING APPARATUS - A solid-state illuminating apparatus ( | 06-11-2009 |
20090161367 | LUMINAIRE REFLECTOR - A reflector for a luminaire comprising a plurality of reflective panels retained in a three-dimensional concave reflector shape. The reflector shape defines a first opening for a light source and a second opening for emitting light in a predetermined distribution pattern. Each of the reflective panels has an inwardly-facing smooth reflective surface between the light source opening and the light emitting opening. The light emitting opening plane is perpendicular to nadir. The reflective panels are curved inward in the direction of nadir adjacent to the light emitting opening to produce a secondary reflective surface for a portion of light from the light source. | 06-25-2009 |
20090196047 | REMOTELY LIT OPTICAL SIGNATURE LAMP - A lighting system and a method for providing a lighting pattern are disclosed, wherein the lighting system and method minimize non-uniform color and intensity in the lighting pattern, offers unique styling features, and provides design flexibility for the LED package and associated heatsinking devices. The lighting system including a light source, a first light bending device disposed adjacent the light source and adapted to receive light rays emitted from the light source and direct the light rays in a first desired lighting pattern, and a second light bending device disposed around the first light bending device, wherein the optical device is adapted to receive the directed light rays from the first light bending device and direct the light rays in a second desired lighting pattern. | 08-06-2009 |
20090196048 | MOBILE TERMINAL HAVING A LIGHT SOURCE - A mobile terminal includes a first base having a first light transmission part, the first light transmission part is configured to transmit light from an inside to an outside of the first base. A light source is arranged inside the first base and in a location capable of emitting the light to the outside of the first base via the first light transmission part. A light reflector is arranged outside the first base and in a location corresponding to the first light transmission part, and the first light reflector has a greater strength than that of the first base. | 08-06-2009 |
20090273932 | Bonded single-piece ultra-violet lamp luminaire for microwave cavities - A luminaire reflector comprises a first end reflector segment, a second end reflector segment, and a main reflector segment bonded together as a single-piece. The main reflector segment, the first end reflector segment, and the second end reflector segment form a microwave cavity that can accommodate a microwave-powered bulb. The luminaire reflector is configured to be mated to at least one waveguide of a luminaire assembly. The luminaire reflector comprises at least one RF coupling slot to transmit microwave energy from the waveguide side to the microwave cavity side of the reflector assembly. | 11-05-2009 |
20090273933 | Compact High Efficient Optic - The present invention is directed towards a lighting assembly having a light source, at least one optic, and at least one light input surface formed as part of the optic for receiving substantially all the light produced from the light source. The present invention also includes at least one light output surface which is formed as part of the optic such that light received into the optic by the light input surface is directed by the optic out of the light output surface, thereby producing a desired beam pattern. | 11-05-2009 |
20100014294 | LIGHTING OR SIGNALING MODULE WITH IMPROVED THREE-DIMENSIONAL APPEARANCE - A lighting or signaling device for emitting a lighting or signaling beam according to a main direction, of the type comprising a light source, a flux-recovering mirror comprising a set of reflecting tiles, the reflective surface of each reflecting tile being constituted by a first conical segment with two focal points, a first focal point of which is situated on the light source and a second focal point of which is situated, in relation to reflecting tile in a specific direction in relation to the main direction, each reflecting tile forming an image of the light source. A surface of at least one reflecting tile has at least one second conical segment with two focal points a first focal point of which is situated on the light source and a second focal point of which is situated at a distance from the second focal point of the first conical segment with two focal points. | 01-21-2010 |
20100020545 | HIGH EFFICIENCY BEAM FORMING LOUVER SYSTEM FOR TRADITIONAL POST-TOP GLOBES - A post-top luminaire assembly directs light generally downwardly from a light source. A first portion of the light output from the light source also forms a first portion of the primary beam. A first reflector portion receives emitted light from the source and redirects a second portion of the light along a second angular range in conjunction with forming the primary beam with the first portion of light. A second reflector portion receives a third portion of the emitted light and redirects it along a third angular range particularly near the pole base, while a third reflector portion receives a fourth portion of the emitted light from the light source and redirects it along a fourth angular range. The second reflector portion provides for light around the lamp base, while the third reflector portion precludes light from passing directly for up-lighting purposes and directs it outwardly at a high angle. | 01-28-2010 |
20100053976 | OPTICAL ELEMENT HAVING AT LEAST ONE EMBEDDED REFLECTOR - An optical element ( | 03-04-2010 |
20100118548 | ILLUMINATION DEVICE - An illumination device is provided with: a light source part | 05-13-2010 |
20100135026 | REFLECTOR SYSTEM FOR ELECTRODE-LESS PLASMA SOURCE - The present invention relates to a lamp primarily for projectors, which lamp comprises at least one light source, which light source is formed of at least one Electrode Less Plasma Source (ELPS), which light sources comprises a light bulb comprising a plasma material, which plasma material is excited to emit light by electromagnetic radiation, which lamp comprises at least a first reflector, which light source is placed inside the first reflector, which lamp further comprises at least a second reflector. The present invention further concerns a method for forming a beam of light generated from an ELPS light source, where the light is concentrated by a first reflector and where the light is further concentrated in a second reflector. | 06-03-2010 |
20100182791 | PACKAGE FOR LIGHT EMITTING ELEMENT AND LIGHT EMITTING DEVICE - In a package for a light emitting element according to the present invention, a light reflecting plate is buried in a base substrate at a position below a cavity with a light reflecting surface thereof facing upward, a part of the ceramic forming the base substrate is interposed between the light reflecting surface of the light reflecting plate and a top surface of the base substrate, and at least the part is light-transmitting. A light emitting device comprises the package, and the light emitting element accommodated in the cavity of the package. In another light emitting device, a first reflector which is made of a metal material and reflects a light emitted from the light emitting element is buried in a frame body. | 07-22-2010 |
20100208466 | LED LAMP - An LED lamp includes a base, a reflector arranged on a top of the base, an LED module attached to the top of the base and surrounding the reflector, an envelope arranged on the top of the base and enclosing the LED module and the reflector, a shield secured on the envelope and covering the reflector and the LED module, and an inserting post fixed on a bottom of the base for facilitating inserting into a foundation to secure the LED lamp thereon. A bottom surface of the shield is coated with a reflecting coating for reflecting light emitted by the LED module. | 08-19-2010 |
20100208467 | FREE-FORM REFLECTOR ARRAY TRANSFORMING A COLLIMATED BEAM INTO PRESCRIBED ILLUMINATION - An array of reflectors that transform a collimated beam into one that uniformly illuminates a specific patch of target surface, in particular obliquely presented rectangles, such as billboards. Each reflector is square, with a concave shape that uniformly illuminates a rectangular target. An algorithm is disclosed for producing a shape appropriate for any given illumination geometry. An array of such reflectors can be utilized with a nonuniform collimated beam and still produce uniform illumination. Hexagonal reflectors could also be arrayed to illuminate a hexagon, or an obliquely presented circle in the case of a collimated input beam with some divergence, which causes a blurring of the cutoff at the edges of the target. Non-tiling shapes such as alphanumeric characters will require some of the light of the collimated beam to be discarded. Reflector shapes and methods of calculating such shapes are also disclosed. | 08-19-2010 |
20100226131 | LIGHTING EQUIPMENT - LEDs, a reflector, and a baffle are disposed on the underside of the equipment main body. An emission opening for emitting light of the LEDs and a reflection surface for emitting light of the LEDs from the emission opening by reflecting the same are provided in the reflector. The baffle is disposed outside the direct light emission area where direct light from the LEDs is emitted from the emission opening of the reflector. The direct light from the LEDs can be picked up without being blocked by the baffle, and the light pick-up efficiency can be improved. | 09-09-2010 |
20100246189 | ROUND REFLECTOR FOR ELECTROMAGNETIC RADIATION - A reflector has a one-piece sheet-metal body having an anodized front face and unitarily formed with a central annular part lying generally in a plane and having an inner periphery generally centered on an axis and adapted to accommodate a light source and an outer periphery. A plurality of flat fingers project from the outer periphery, extend at an acute angle to the plane, have outer ends, and each have a pair of generally parallel side edges. Each edge of each finger is closely juxtaposed with the edge of the adjacent finger and the fingers form with the annular part a concave shape. | 09-30-2010 |
20100265720 | REFLECTOR AND SYSTEM - An illumination system includes a light source and a reflector. The reflector includes a first optical interface adjacent the light source which redirects light emitted from the light source and incident on the first optical interface via Fresnel reflection. In addition, the reflector includes a second optical interface adjacent the first optical interface on a side opposite the light source, which reflects light passing through the first optical interface via total internal reflection back towards the first optical interface. Also, a light collection system includes such a reflector. | 10-21-2010 |
20100277924 | METHOD AND APPARATUS TO IMPROVE EFFICIENCY OF LIGHTING - A method and apparatus to increase efficiency of wide area lighting fixtures having a lamp mounting opening in a reflector or reflector frame, which results in gap(s) or spaces that do not control incident light to the intended target. The gap(s) or spaces(s) are covered with reflecting surfaces which do control incident light to increase efficiency of the fixture. | 11-04-2010 |
20100296296 | HIGH CONTRAST LIGHT PATTERN PROJECTION MECHANISM - A high contrast light pattern projection mechanism includes a first reflecting body and a second reflecting body installed at upper and lower portions of an open end of a reflecting cavity respectively. If a light emitting module in the reflecting cavity emits a light source, a large-angle light and a small-angle light of the light source will be reflected from the first reflecting surface in the reflecting cavity and the second and third reflecting surfaces of the reflecting bodies respectively, such that the large-angle light and the small-angle light form a high contrast light pattern to be emitted to the outside, so as to enhance both contrast and illumination efficiency of the projection mechanism. | 11-25-2010 |
20110019424 | High Contrast Light Pattern Projection Mechanism - A high contrast light pattern projection mechanism includes a first reflecting body and a second reflecting body installed at upper and lower portions of an open end of a reflecting cavity respectively. If a light bulb module in the reflecting cavity emits a light source, a large-angle light and a small-angle light of the light source will be reflected from the first reflecting surface in the reflecting cavity and the second and third reflecting surfaces of the reflecting bodies respectively, such that the large-angle light and the small-angle light form a high contrast light pattern to be emitted to the outside, so as to enhance both contrast and illumination efficiency of the projection mechanism. | 01-27-2011 |
20110032711 | HIGH EFFICIENCY PROJECTION SYSTEM - A lamp may include a lamp bulb made from glass for accommodating an anode and a cathode, which has a fill gas wherein the lamp bulb has, at least partially, an antireflective coating. | 02-10-2011 |
20110044054 | MODIFIED REFLECTOR SURFACE TO REDIRECT OFF-FIELD SIDE LIGHT ONTO FIELD - 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. | 02-24-2011 |
20110080743 | LIGHTING DEVICE - A lighting device includes a housing, and a light-emitting module mounted in an accommodation chamber inside the housing and carrying a set of light-emitting devices on a circuit board thereof for emitting light, a plurality of refracting prisms for refracting a part of the light emitted by the light-emitting devices horizontally toward two opposing sides through the light transmissive peripheral wall of the top cover shell of the housing and two opposing double-beveled reflectors for reflecting the other part of the light emitted by the light-emitting devices toward the outside through the light transmissive peripheral wall of the top cover shell of the housing in the same opposing directions. Thus, the invention extends the luminous range of the light-emitting devices, enhances the luminance and reduces light loss. | 04-07-2011 |
20110096552 | REMOTE PHOSPHOR LIGHT ENGINES AND LAMPS - A light engine has a pillar with first and second ends; a circuit board on the first end of the pillar, a light source mounted on the circuit board encircling the pillar and facing towards the second end of the pillar, and a surface extending from the second end of the pillar, that surface and the exterior of the pillar between that surface and the circuit board being coated with a reflective remote phosphor that is excited by light from the light source. The light engine may be used in a light bulb, with a frosted globe enclosing the circuit board and mounted round the outer edge of the phosphor-coated surface, and an Edison screw or other standard base connected to the second end of the pillar. | 04-28-2011 |
20110103068 | RECESSED LIGHTING REMODELER FIXTURE WITH SLIDING HOUSING - A recessed luminaire with adjustable socket assembly comprises a housing having a sidewall, a top wall and a lower opening allowing light output, a socket adjustment assembly disposed in the housing, the socket adjustment assembly having: a lamp socket connected to a socket carriage, a track having a socket carriage movably positioned on the track wherein the carriage moves along the track and the lamp socket is movable in at least one of a vertical or a horizontal direction. | 05-05-2011 |
20110141744 | ILLUMINATING DEVICE - An illuminating device is provided. The illuminating device includes a light source and a lampshade. The light source provides a first light beam and a second light beam. The lampshade includes a first curved surface and a second curved surface. The first light beam is refracted by the first curved surface. The second light beam is reflected by the second curved surface, and a curvature of the first curved surface differs from a curvature of the second curved surface. | 06-16-2011 |
20110170298 | LED Downlight with Improved Light Output - An LED downlight provides a more evenly distributed light output. The LED downlight includes an LED light source, such as one or more LEDs, LED die packages, or LED chip on board modules, an upper reflector, a lower reflector disposed below the upper reflector, and a lens disposed between the upper reflector and the lower reflector. The lens includes several features that help disperse light emitted by the LED light source. The lens includes a diffusion element, such as a pigment, bulk scattering, prismatic, inlays, or another method for diffusing light through a lens. The lens is curved in a concave manner when viewed from the light source. The curve of the lens can be tangent to the physical cutoff of the lower reflector to more evenly distribute light emitted by the LED light source and to improve the visual effect of an evenly luminous lens. | 07-14-2011 |
20110182076 | RETROREFLECTIVE ARTICLES AND DEVICES HAVING VISCOELASTIC LIGHTGUIDE - Disclosed herein is an optical device having a light source, a viscoelastic lightguide and a retroreflective film suitable for retroreflecting light. Light from the light source enters the viscoelastic lightguide and is transported within the lightguide by total internal reflection. The transported light is extracted from the lightguide and retroreflected at a structured surface of the retroreflective film The optical device may have a “front lit” or a “back lit” configuration depending on the relative positioning of the lightguide and the retroreflective film The retroreflective film may include prismatic retroreflective sheeting, holographic film or film structured with diffraction gratings. The optical device may be used, for example, as a sign or marking, a license plate assembly, a tail light assembly for vehicles, a security laminate for protection of documents against tampering, or an illumination device. | 07-28-2011 |
20110255291 | LIGHT FLUX CONTROLLING MEMBER, LIGHT EMITTING DEVICE, AND LIGHTING DEVICE - 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 ( | 10-20-2011 |
20110317430 | Reflector, Light Source Arrangement And Projector Apparatus - A reflector may have a reflective surface, wherein the contour of the reflective surface is traversed by a Bézier curve. | 12-29-2011 |
20120039076 | ENERGY-SAVING LIGHTING DEVICE WITH EVEN DISTRIBUTION OF LIGHT - An energy-saving lighting device includes a lampshade body, a light-transmissive plate located on the bottom side of the lampshade body, a parabolic reflector and a nonlinear reflector having a light distribution curve mounted in the lampshade body, a light emitting device mounted in the lampshade body, and a cone reflector disposed in the lampshade body right below the light emitting device. When the light emitting device is electrically connected to emit light, light rays are evenly distributed in the illumination area without causing Gaussian distribution, thereby saving the energy and avoiding dazzling. | 02-16-2012 |
20120257393 | Light Fixture, Method for Displaying Light, and Light Fixture Housing - Light fixtures, methods for displaying light, and light fixture housings having enhanced appearance and providing distinctive light patterns are provided. The light fixture includes a light source, and a housing mounted about the light source. The housing includes a body, for example, a transparent glass body, having an outer surface having a plurality of facets adapted to refract at least some light emitted by the light source; and an opening in the body to emit light. Dimensions of the housing body are defined to produce substantially uniform light patterns on surfaces adjacent the light fixture. Methods of displaying light and faceted light housings are also disclosed. | 10-11-2012 |
20120300466 | ILLUMINATING DEVICE - In an illuminating device, when exiting lights come out from a lens sheet, the optical paths of the exiting lights are deflected in a direction opposite to an optical axis of a light source by means of a plurality of prisms which are included in a first lens group arranged on an inward side of the lens sheet located adjacent to the optical axis of the light source and each of which has a inclined face facing toward the optical axis of the light source, wherein the exiting lights from the light source via the first lens group of the lens sheet are adapted to mix with exiting lights from the light source via a second lens group located outside the first lens group, whereby the degree of color unevenness is reduced, that appears inherently when a pseudo white LED is used as the light source of the illuminating device. | 11-29-2012 |
20120320602 | ENGAGEABLE LED OPTICS AND LIGHTING FIXTURES INCORPORATING THEM - Total internal reflection (TIR) optics have an engagement member that mates with a complementary feature on the LED holder. The engagement member does not interfere with light propagation through or emission from the optical component, and does not enlarge the footprint area occupied by the optical component. | 12-20-2012 |
20130033873 | OPTICAL DEVICE AND ILLUMINATING DEVICE - To provide an optical device which is capable of improving a light-introduction efficiency, and which may be made thinner. The optical device according to an embodiment of the present invention includes a structural layer including a plurality of reflection surfaces, which reflect light entering the light-incident surface toward the light-output surface. The above-mentioned reflection surface has a first length (h) in the X-axis direction. The reflection surfaces are arrayed in the Z-axis direction orthogonal to the X-axis direction at pitches (p). The reflection surfaces satisfy a relation of h=(2n−1)·p/tan θ, where θ is indicative of an incident angle of light with respect to the X-axis direction, the light being light travelling on an XZ plane out of light entering the reflection surface, and n is indicative of the number of reflection of incident light by the reflection surface, the angle θ being any angle satisfying the range of 6.5°≦θ≦87.5°. | 02-07-2013 |
20130039073 | LED OPTICAL ASSEMBLY - A reflector with an alignment recess is provided. The reflector has a recess portion that receives the base of a light emitting diode. At least a portion of an outer periphery of the base of the light emitting diode is adjacent at least portions of the recess portion of the reflector. | 02-14-2013 |
20130044494 | FACETTED FOLDED-OPTIC COLLIMATOR - A folded circularly symmetric illumination optic comprising a first light transfer mode having a first central refractive surface and a second central refractive surface, wherein one of the first and second central refractive surfaces has at least one peened feature; a second light transfer mode having a first refractive surface, a first TIR surface, a second TIR surface and a second refractive surface; a third light transfer mode having a first refractive surface, a first TIR surface and a second refractive surface, wherein the first TIR surface has at least one peening feature, and wherein the second refractive surface is conical; wherein the first TIR surface and second refractive surface of the second light transfer mode is coincident at least one point, wherein the second refractive surface of the third light transfer mode is coincident with the first TIR surface and second refractive surface of the second light transfer mode. | 02-21-2013 |
20130077320 | OPTICAL LENS AND ILLUMINANT DEVICE USING THE SAME - An optical lens having an optical axis includes a main body. The main body includes a light-incident part, a first light-emitting part and a second light-emitting part. The light-incident part includes a bottom surface and a reflecting surface. The bottom surface has a recess. The reflecting surface is physically connected to the bottom surface and the distance located between the reflecting surface and the optical axis is increased when the reflecting surface is gradually close to the bottom surface. The first light emitting-part is physically connected to the reflecting surface and has a top surface. The top surface is gradually close to the bottom surface when the top surface is close to the optical axis. The second light-emitting surface is physically connected to the top surface and substantially located above the recess. | 03-28-2013 |
20130077321 | LIGHT EMITTING DEVICE - A light emitting device, comprises a LED chip, and a case having an accommodating recession accommodating the LED chip, wherein the light emitting device emits light from an opening portion of the accommodating recession, the case is monolithically formed by injection molding of a resin composition preparing by mixing fine grains of specular reflection material and glass fibers as diffusion reflecting material as fillers therein, an inner surface of a side wall portion of the case works as a reflector that reflects the light emitted from the LED chip so that the light is output from the opening portion, and a thickness of the side wall portion is selected to be smaller than an average length of the glass fibers. | 03-28-2013 |
20130083539 | Luminaire for Indoor Horticulture - A reflector hood for a luminaire having a lamp in an upper portion thereof and first and second air flow ducts formed in first and second opposite sides of said reflector hood for ventilation. First and second secondary reflecting panels are respectively disposed within the hood over and spaced a predetermined distance from each first and second air flow duct such that light emitted by the lamp is reflected from said reflecting panels instead of passing through the first and second air flow ducts. | 04-04-2013 |
20130094216 | ILLUMINATION DEVICE - An illumination device includes: a point light source; a substrate; a hollow frame having an engaging bent section at one of its edges; and a bottom surface reflection section, a side surface reflection section, and a light conducting reflection plate that are disposed inside the frame. The light conducting reflection plate is held between the bent section and the side surface reflection section that is held by the other edge of the frame and the bottom surface reflection section fixed to the substrate. The surface of the bottom surface reflection section facing the light conducting reflection plate, the inner surface of the side surface reflection section, and the surface of the light conducting reflection plate facing the bottom surface reflection section have high light reflectivity and low light transmissivity. | 04-18-2013 |
20130121003 | Illumination Device for Providing Synchronous Forward and Backward Lighting - An illumination device for providing synchronous forward and backward lighting is disclosed. The illumination device includes a light housing of a predetermined shape and an illumination light source provided in the light housing. Also provided in the light housing is a reflector having a front section and a rear section, each of which sections forms a flared reflective area. Light emitted by the illumination light source in the light housing is reflected by the reflective areas of the front and rear sections of the reflector and hence directed both forward and backward, so as for the illumination device to provide wide-range lighting when in use. | 05-16-2013 |
20130135875 | LIGHT WITH A REFLECTOR AND REFLECTOR ARRANGEMENT - The present invention relates to a light with a reflector defining a reflector axis and on its front side delimits a light outlet opening and on its rear side an illuminant opening. The reflector has reflector segments in the circumferential direction which are connected to one another. A holding plate has a central opening on the end region of the reflector and is positioned such that the holding plate opening and the illuminant opening lie over one another. An illuminant is a Lambert radiator with a circular light outlet surface radiating according to a Lambert characteristic. The Lambert radiator is fixed on the holding plate radiates light from the outside into the reflector through the illuminant opening. The reflector segments pass through the holding plate and the illuminant opening and the light outlet opening of the reflector lie on opposite sides of the holding plate. | 05-30-2013 |
20130188362 | LIGHT REFLECTOR CONE - Certain embodiments of the disclosed technology may include systems and apparatus for providing a light reflector, light fixture, light fixture retrofit apparatus, lamp reflector, lamp retrofit apparatus or luminaire reflector retrofit. According to an example embodiment of the disclosed technology, a light reflector is provided that includes two or more nested cone-shaped layers configured for reflecting light from a light source placed in proximity to the inner cone portion. The two or more nested cone-shaped layers include a reflection layer disposed adjacent to an outer cone portion of the layers. The two or more nested cone-shaped layers further include a lenticular optical film disposed between the reflection surface of the reflection layer and an inner cone portion. | 07-25-2013 |
20130201691 | LIGHTING DEVICE WITH SHAPED REFLECTOR - A lighting device for street light, lounge light, signboard light or streamline worktable light application to meet energy-saving and carbon-reduction requirements is disclosed to include a light source, a lamp case, a power converter, a shaped reflector for reflecting light rays from the light source toward a predetermined space area to form a rectangular or specially shaped illumination zone, and a light-transmissive material. The shaped reflector includes an inner reflecting surface, two lateral walls respectively formed of a straight line segment structure of an outwardly arched curvature, and opposing front and rear walls respectively providing an outwardly arched curvature. Each outwardly arched curvature consists of multiple inclined faces inclining in such a manner that an upper inclined face inclines toward the center of the shaped reflector at a relative greater angle than one adjacent lower inclined face. | 08-08-2013 |
20130208485 | UNIFORM LIGHTING REFLECTOR FOR LIGHTING APPARATUSES - The present invention relates to a reflector for light emission sources, having a rotational symmetry about an axis, an apex comprising a first opening of size such to accommodate a light source and a second opening, larger in size than the first opening, adapted to let out the direct light emitted by said light source and the light reflected by the internal surface of the reflector, surface which is characterized by a series of segments comprising a plurality of approximately rectangular surface segments in turn comprising a plurality of reliefs, preferably having a substantially hemispherical shape, and characterized by a convexity facing towards the inside of the reflector, said convexity being characterized by a single curvature radius. | 08-15-2013 |
20130223079 | ILLUMINATION UNIT AND ILLUMINATION SYSTEM USING THE SAME - Disclosed herein are an illumination unit and an illumination system. The illumination unit includes a first reflector, a second reflector, a light source module arranged between the first reflector and the second reflector, and a supporting member for supporting the second reflector. The supporting member includes first and second inclined surfaces arranged adjacent to each other at opposite sides of an inflection point. The supporting member has a distance of 15 to 50 mm between a first horizontal line horizontally passing through the inflection point and a second horizontal line horizontally passing through an end of the first inclined surface or an end of the second inclined surface. The supporting member includes projections having asymmetrical side surfaces opposing each other. The height ratio between the side surfaces of the supporting member is 1:1.01 to 80 or 1.01 to 80:1. | 08-29-2013 |
20130335975 | LIGHTING DEVICE - Provided is a lighting device, comprising: a light source module comprising: at least one light source disposed on a printed circuit board; and a resin layer disposed on the printed circuit board so that the light source is embedded; a light reflection member formed on at least any one of one side surface and another side surface of the resin layer; and a diffusion plate having an upper surface formed on the light source module, and a side wall which is integrally formed with the upper surface and formed to extend in a lower side direction and which is adhered onto the light reflection member, wherein a first separated space is formed between the light source module and the upper surface of the diffusion plate, whereby flexibility of the product itself can be secured, and durability and reliability of the product can be also improved. | 12-19-2013 |
20140029264 | DECORATIVE LIGHT - The present disclosure provides decorative lights using prismatic film such as Optical Lighting Film (OLF) available from 3M Company, and a diffuse partial reflector. The decorative lights generate design styles and comfort for a light fixture, and can use solid state lighting such as Light Emitting Diodes (LEDs) to generate the light. The decorative lights can have an appearance that changes with the viewing angle of the light. | 01-30-2014 |
20140098543 | Method and Apparatus for Lighting With Reflection - 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. | 04-10-2014 |
20140119027 | LIGHT FLUX CONTROLLING MEMBER, LIGHT EMITTING DEVICE, SURFACE LIGHT SOURCE DEVICE, AND DISPLAY APPARATUS - A light flux controlling member includes an emission surface, a first incidence surface that is an inner surface of a concave portion, a second incidence surface that is disposed outside an opening rim portion of the concave portion, and a rear surface. A plurality of annular grooves is formed in the second incidence surface. Each annular groove forms an intersection line with an adjacent annular groove. When a virtual plane that passes through the outer rim portion of the second incidence surface and is orthogonal to the central axis is assumed as a reference plane, the plurality of annular grooves is disposed so that the intersection line become close to the virtual plane with distance from the central axis. The shape of a cross section of the annular groove including the central axis is an arc of which the center of curvature is located outside the light flux controlling member. | 05-01-2014 |
20140133158 | EXTERNAL BEAM DELIVERY SYSTEM FOR LASER DARK-FIELD ILLUMINATION IN A CATADIOPTRIC OPTICAL SYSTEM - A catadioptric objective configured to inspect a specimen is provided. The catadioptric objective includes a Mangin element having one surface at a first axial location and an extension element positioned together with the Mangin element. The extension element provides a second surface at a second axial location. Certain light energy reflected from the specimen passes to the second surface of the extension element, the Mangin element, and through a plurality of lenses. An aspheric surface may be provided, and light energy may be provided to the specimen using diverting elements such as prisms or reflective surfaces. | 05-15-2014 |
20140146542 | LIGHT FIXTURE ASSEMBLY WITH PIVOTING REFLECTOR ASSEMBLY AND LENS ASSEMBLY - A light fixture assembly includes a housing having an interior surface, a ballast mounted on the interior surface of the housing, a first reflector releasably coupled to the interior surface of the housing, the ballast being substantially enclosed between the housing and the first reflector when the first reflector is in a first, closed position and being exposed when the first reflector is in a second, open position spaced from at least a portion of the interior surface, a lens releasably coupled to the housing, the first reflector being substantially enclosed between the lens and the housing when the lens is in a first, closed position and substantially exposed when the lens is in a second, open position. This construction provides relatively easy and quick access to the ballast for replacement and from below the fixture if it is mounted in or on the ceiling. | 05-29-2014 |
20140160764 | RETROREFLECTIVE ARTICLES AND DEVICES HAVING VISCOELASTIC LIGHTGUIDE - Disclosed herein is an optical device having a light source, a viscoelastic lightguide and a retroreflective film suitable for retroreflecting light. Light from the light source enters the viscoelastic lightguide and is transported within the lightguide by total internal reflection. The transported light is extracted from the lightguide and retroreflected at a structured surface of the retroreflective film. The optical device may have a “front lit” or a “back lit” configuration depending on the relative positioning of the lightguide and the retroreflective film. The retroreflective film may include prismatic retroreflective sheeting, holographic film or film structured with diffraction gratings. The optical device may be used, for example, as a sign or marking, a license plate assembly, a tail light assembly for vehicles, a security laminate for protection of documents against tampering, or an illumination device. | 06-12-2014 |
20140168991 | LED LAMP - Provided is an LED lamp in which a lens for diffusing light from an LED can be received in and fixed to a reflector without interfering with the outer side of the lens. The LED lamp of the present invention includes a lamp unit configured to emit light; a lamp housing unit configured to have the lamp unit embedded in the lamp housing unit and to have the front opened so that the light of the lamp unit is scanned to the front; a front cover unit fixed in front of the lamp housing unit and configured to have the inside hollowed; and glass fixed in front of the lamp housing unit by means of the front cover unit and configured to transmit the light of the lamp unit. | 06-19-2014 |
20140204586 | LED-based Lighting Unit With Optical Component for Mixing Light Output from a Plurality of LEDs - Methods and apparatus related to an LED-based lighting unit ( | 07-24-2014 |
20140211480 | BEAM GENERATING DEVICE - A beam generating device emitting a first beam and a second beam and including a luminescence unit and a first reflecting unit is disclosed. The luminescence unit emits a main beam. The first reflecting unit reflects the main beam to generate a first reflected beam. The main beam forms the first beam and the first reflected beam forms the second beam. | 07-31-2014 |
20140254170 | BLOOD GLUCOSE TEST STRIP ILLUMINATION DEVICE AND METHOD - A handheld test strip illumination device includes a housing. A strip connector positioned within the housing receives a first portion of a test strip in a test strip test position. A light source is positioned within the housing. A lens/light reflecting device is aligned to receive photons emitted from the light source and direct the photons onto the first portion of the test strip within the strip connector. The first portion of the test strip within the strip connector includes a longitudinal transparent layer receiving the photons emitted from the lens/light reflecting device within the housing. The photons pass through the longitudinal transparent layer and are emitted from the longitudinal transparent layer in a second portion of the test strip positioned outside of the housing, thereby illuminating a dose area of the test strip. | 09-11-2014 |
20140268806 | Backlight Module with Composite Reflective Surface - A backlight module includes a reflective bottom surface, a light-exit top surface, and a light source module. The reflective bottom surface has a light-entrance side and the light source module is disposed along the light entrance side. The light-exit top surface is disposed opposite to the reflective bottom surface and sandwiches a mezzanine space with the reflective bottom surface. Light generated from the light source module enters the mezzanine space through the light-entrance side and is reflected by the reflective bottom surface to the light-exit top surface. The reflective bottom surface includes at least one first reflective surface and at least one second reflective surface arranged in intervals along an extending direction of the light-entrance side. A specular reflection ratio of the first reflective surface is greater than the specular reflection ratio of the second reflective surface. | 09-18-2014 |
20140268807 | Vehicle Lamps with Uniform Apparent Brightness - A Parabolic-Type reflector has a uniform Apparent Brightness over the reflector surface. A model of the reflector is divided into a plurality of elements arrayed radially around the reflector focus. Each element has a length l | 09-18-2014 |
20140293612 | NOVEL LED WALL LAMP - A novel LED wall lamp comprising a lamp frame and a base plate for installing electric parts is provided; said lamp frame is fixed on the base plate; a mounting plate is provided in said lamp frame; an LED light source is fixed on the front face of the mounting plate, while the back is provided with heat sinks exposed out of the lamp frame; the four sides of the mounting plate are provided with reflectors. The utility model preserves the contour and mounting means of the traditional wall lamp and dissipates heat generated by the LED light source out of the lamp frame through the heat sinks at intervals. | 10-02-2014 |
20140313737 | WALL WASHING LAMP - This disclosure includes light fixtures, some of which include a lower housing that defines a first channel and has first and second ends, where the first end defines an aperture and the second end has a first mounting surface disposed at a non-parallel first angle relative to a plane of the aperture, an upper housing that defines a second channel and has first and second ends, where the second end has a light mount and the first end has a second mounting surface disposed at a non-parallel second angle relative to a plane of the light mount, and a diffuser configured to be coupled between housings, where the upper and lower housings can be coupled at the first and second mounting surfaces such that the light mount is disposed at a non-parallel third angle relative to the plane of the aperture. Some light fixtures have unitary lower and upper housings. | 10-23-2014 |
20140328067 | LIGHT GUIDE ELEMENT FOR CONTROLLING LIGHT SHAPE - A light guide element for controlling light shape includes a light-incident surface, a light-emitting surface, a first reflecting surface, and a second reflecting surface. The light-incident surface includes a first outer peripheral edge and a first inner peripheral edge. The light-emitting surface includes a second outer peripheral edge and a second inner peripheral edge. The first reflecting surface is constructed by a first profile curve, and connects the first and the second outer peripheral edge. The first profile curve is a connecting line of two points respectively on the first outer peripheral edge and the second outer peripheral edge. The second reflecting surface is constructed by a second profile curve, and connects the first and the second inner peripheral edge. The second profile curve is a connecting line of two points respectively on the first inner peripheral edge and the second inner peripheral edge. | 11-06-2014 |
20140340909 | LAMP UNIT AND LIGHT DEFLECTING DEVICE - A light deflecting device includes a micro-mirror array and a transparent cover member arranged in front of a micro-mirror array reflective surface. Each of a plurality of mirror elements of the micro-mirror array is selectively switched between a first reflecting position in which the mirror element reflects light such that the reflected light is effectively used as part of a predetermined light distribution pattern, and a second reflecting position in which the mirror element reflects light such that the reflected light is not effectively used. The cover member is configured such that a second angle formed between a mirror element reflective surface when the mirror element is in the second reflecting position and a cover member surface is smaller than a first angle formed between the mirror element reflective surface when the mirror element is in the first reflecting position and the cover member surface. | 11-20-2014 |
20150009678 | REFLECTOR FOR DIRECTED BEAM LED ILLUMINATION - The present disclosure provides systems and techniques for directing light into one or more light beams which converge into an aggregate beam. In certain example embodiments, the present disclosure provides a reflector having one or more reflective curved surfaces for reflecting and focusing light from one or more light emitting diodes (LEDs) into one or more light beams, which make up an aggregate light beam. In certain example embodiments, the reflective curved surfaces are paraboloid surfaces. | 01-08-2015 |
20150036350 | Optical Device - There is provided a device arranged to couple with an electromagnetic source. The device comprises an optical metamaterial arranged to increase the intensity of radiation at a predetermined optical wavelength. The optical metamaterial has a periodic reflective component having a dimension no greater than the predetermined wavelength. | 02-05-2015 |
20150036351 | LIGHT EMITTING DIODE LAMP - A light emitting diode (LED) lamp includes a substrate, a plurality of LED elements arranged on the substrate, and a reflector arranged on the substrate. The reflector includes a plurality of reflecting sheets obliquely extending upward from a center of the substrate. A projection of each reflecting sheet covers one LED element. Part of light from the LED element is reflected to a lateral periphery of the substrate by the reflecting sheet. | 02-05-2015 |
20150103530 | Lateral Planar Light Emitting Module - A lateral planar light emitting module has a rectangular base plate and a plurality of light emitting diodes, and the light emitting diodes are designed with an array arrangement and installed on both opposite sides of the rectangular base plate respectively, so that a light exit surface opposite to a light projection area with a different intensity produced by the same light emitting diode has an optical path with a different distance after a light source emitted from the light emitting diodes is projected directly or reflected from a reflective micro-structure of the rectangular base plate, and a light emitting effect with a uniform light intensity distribution is achieved on the light exit surface to lower the manufacturing cost and improve the light emitting efficiency effectively. | 04-16-2015 |
20150109794 | ILLUMINATION UNIT AND ILLUMINATION SYSTEM USING THE SAME - Disclosed herein are an illumination unit and an illumination system. The illumination unit includes a first reflector, a second reflector, a light source module arranged between the first reflector and the second reflector, and a supporting member for supporting the second reflector. The supporting member includes first and second inclined surfaces arranged adjacent to each other at opposite sides of an inflection point. The supporting member has a distance of 15 to 50 mm between a first horizontal line horizontally passing through the inflection point and a second horizontal line horizontally passing through an end of the first inclined surface or an end of the second inclined surface. The supporting member includes projections having asymmetrical side surfaces opposing each other. The height ratio between the side surfaces of the supporting member is 1:1.01 to 80 or 1.01 to 80:1. | 04-23-2015 |
20150117023 | LENS AND LED UNIT USING THE SAME - A lens includes a bottom face, a light incident face defined in the bottom face, a plurality of light reflective faces connecting the light incident face with the bottom face, and a light emerging face opposite to the light incident face. The light incident face includes a first face and a plurality of second faces alternating with the light reflective faces. The light reflective faces are flat faces parallel to an optical axis of the lens. An LED unit using the lens is also disclosed. | 04-30-2015 |
20150330600 | REFLECTOR - A reflector and a light fixture that includes the reflector are provided, where the reflector has a reflecting surface having a shape which closely approximates a determined surface which is series of ellipsoidal section segments, wherein each ellipsoidal section segment has a first focus A and a second focus B, wherein first focus A is the same point for each ellipsoidal section segment, and wherein, for successive ellipsoidal section segments, focus B is at a successive location along a line. In some embodiments, the light fixture additionally comprises a light source, typically located at focus A. The present disclosure enables the projection of a visually striking, linearly extended pattern of light on a wall from a fixture mounted on that same wall, where the fixture may furthermore have very little depth, i.e., orthogonal extension outward from that wall. | 11-19-2015 |
20150338058 | Method and System for Managing Light from a Light Emitting Diode - A light source, for example a light emitting diode, can emit light and have an associated optical axis. The source can be deployed in applications where it is desirable to have illumination biased laterally relative to the optical axis, such as in a street luminaire where directing light towards a street is beneficial. The source can be coupled to an optic that comprises an inner surface facing the source and an outer surface that is opposite the inner surface. The inner surface can comprise a refractive surface that receives light headed away from the optical axis of the light source, for example opposite the street. The refractive surface can form the received light into a beam. The outer surface of the optic can reflect the beam back across the optical axis, for example so that light headed away from the street is redirected towards the street. | 11-26-2015 |
20150345747 | Flood Optic - An optical member includes a refractive portion adapted to refract light, a first total internal reflection surface adjacent to and disposed about at least a portion of the refractive portion, and a second total internal reflection surface displaced from the first total internal reflection surface distal to the refractive portion and disposed about at least a portion of the first total internal reflection surface. | 12-03-2015 |
20160047530 | Revolved reflector with complex superficial micro-structures - The invention relates to an optical system for lighting applications, fundamentally formed by a light source and a reflector, essentially with axial symmetry, the inner face thereof containing a complex surface formed by a plurality of microstructures with the particularity of being arranged in a specific distribution, according to a concrete parameterisation, and with a particular division of the surface space (tessellated), which allows a suitable destruction of the image projected from the actual light source, and provides a uniform and well-defined pattern of the projected light. The reflector can have an edge-free inner surface at the join between adjacent micro-structures, such that it reduces the optical losses and the light dispersion. There can also be a local regulation of the form and orientation between adjacent micro-structures by means of deformation, translation and/or rotation, which allows better control of the projected light and enables light patterns without axial symmetry. The invention also relates to a novel method for the construction of the complex inner surface of the reflector, allowing the novel technical characteristics mentioned, such that it extends and improves some current limitations. | 02-18-2016 |
20160061389 | Color Mixing Optics for LED Lighting - Color mixing optics for a multi-color LED lamp comprise an outer reflector having a paraboloidal surface of revolution and a total inner reflection (TIR) lens having an outer contour with a paraboloidal surface of revolution. The outer reflector and the TIR lens are centered around a common center axis. A common focal point of the outer reflector and the TIR lens is provided for placing a LED assembly. Such LED lamps produce uniform color throughout the entire light beam while the outer dimensions are such that the optics fit into conventional lamp housings. | 03-03-2016 |
20160069534 | LENS HAVING THROUGH HOLE AND LIGHTING MODULE - A lens having a through hole includes a ring portion and at least three reflection portions. The ring portion has an inner wall. The reflection portions are annularly arranged at the inner wall of the ring portion and forming a through hole. | 03-10-2016 |
20160091174 | LED LIGHT SOURCE DEVICE - An LED light source device having an LED including an LED element as a light emission source and capable of possessing the same light distribution characteristics and luminance distribution as those of a common bulb having a coiled filament as a light emission source is provided. The LED light source device is also capable of providing the same light distribution pattern when it is used for a lighting fixture that utilizes a bulb as a light source, in place of a bulb. LEDs are disposed with respect to first light reflecting surfaces of paired hyperbolic cylindrical surfaces with a common focal line while LED elements of the LEDs are disposed at or near respective positions on the focal lines of the other hyperbolic cylindrical surfaces corresponding to the paired hyperbolic cylindrical surfaces. | 03-31-2016 |
20160109093 | LIGHTING DEVICE, LIGHTING KIT AND LUMINAIRE - Disclosed is a lighting device comprising a solid state lighting element ( | 04-21-2016 |
20160109097 | LIGHTING DEVICE WITH FACETED REFLECTOR - A lighting device may comprise a light emitting element and a reflector, the reflector comprising: a first opening surrounding the light emitting element and a second opening; reflector side walls forming the first and second openings, the reflector side walls divergently extending from the first opening away from the light emitting element to the second opening; and corner facets, wherein each corner facet is positioned over a corresponding reflector corner formed by an adjacent pair of reflector side walls at the first opening. In this way, a photosensitive work piece may be uniformly irradiated while mitigating under-curing and over-curing, and while reducing a coupling optics size and a distance between the light emitting elements and the work piece, thereby decreasing cure times and lowering manufacturing costs. | 04-21-2016 |
20160131332 | Method and System for Redirecting Light Emitted from a Light Emitting Diode - A light source, for example a light emitting diode, can emit light and have an associated optical axis. The source can be deployed in applications where it is desirable to have illumination biased laterally relative to the optical axis, such as in a street luminaire where directing light towards the street is beneficial. The source can be coupled to an optic that comprises a cavity. A first region of the optic can receive light from the source and emit light towards the area to be illuminated. A second region of the optic can comprise two reflective surfaces. The first reflective surface can receive light from the source and reflect the received light towards the second reflective surface. The two reflective surfaces can be used to direct light away from one side of the optic. | 05-12-2016 |
20160146431 | ILLUMINATING DEVICE AND LIGHTING FIXTURE - An illuminating device can include an LED element and possess the same light distribution characteristics as those of a common bulb having a coiled filament as a light emission source, and accordingly, can be used in place of such a common bulb. The illuminating device can include the LED and a mirror reflecting surface in front of the LED. The mirror reflecting surface can include a second reflecting surface formed in a substantially conical face shape with an apex at an intersection between an optical axis of the LED and the mirror reflecting surface and a conical side wall bulged inward, and a first reflecting surface formed as a concave reflecting surface recessed forward and having a first focal point disposed at or near the light emitting element and a second focal point disposed on the optical axis between the first focal point and the intersection. | 05-26-2016 |
20160161062 | LED BASED CANDELABRA LAMP - A LED lamp has a non-optically transmissive base connected to an optically transmissive enclosure. A LED assembly emits light when energized through an electrical path from the base. A portion of the heat sink and lamp electronics extend from the base and into the enclosure such that at least an upper portion of the heat sink extends into the interior volume defined by the enclosure. The LED assembly is supported on top of the heat sink such that the LEDs are disposed in the volume of the enclosure. An optic element extends over the LEDs and at least the portion of the heat sink. The size of the non-optically transmissive base of the lamp is reduced relative to the optically transmissive enclosure such that a greater ratio of optically transmissive view space to non-optically transmissive base is provided. | 06-09-2016 |
20160169478 | LIGHT FIXTURE WITH REFLECTIVE OPTICS | 06-16-2016 |
20160195243 | OPTICAL SYSTEM FOR PRODUCING UNIFORM ILLUMINATION | 07-07-2016 |
20160201879 | LIGHT FLUX CONTROLLING MEMBER AND LIGHT-EMITTING DEVICE | 07-14-2016 |
20160377260 | FLAT LAMP STRUCTURE - A flat lamp structure may include a housing; a module in which at least one LED is disposed on a substrate; a reflector which reflects light emitted from the LED to the outside thereof; an inner lens which is disposed in front of the reflector with a predetermined interval to diffuse light emitted from the LED; and an outer lens which is disposed outside the inner lens and coupled to the housing, wherein the reflector has a first reflector part, a second reflector part, and a third reflector part having different optical properties and the first and second reflector parts have a specular reflection characteristic and the third reflector part has a Lambertian reflection characteristic, and reflects the light in all directions with the uniform brightness regardless of a direction to a diffuser surface to form a light emission surface. | 12-29-2016 |