Reflector Patents (Class 362/341)
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Publication number: 20120281418Abstract: A reflector (1; 31; 41) for a lighting device comprising: (13; 61; 62), at least one rear cutout (6) for a light source (20; 47; 56) in each case and at least one front-side reflector opening (8), wherein at least one spring element (10; 34; 45) is incorporated into the reflector (1; 31; 41).Type: ApplicationFiled: November 12, 2010Publication date: November 8, 2012Inventors: Klaus Eckert, Moritz Engl
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Publication number: 20120275166Abstract: To provide a substrate for mounting a light-emitting element with a reduced gap to achieve insulation between a reflection film and electrical wiring conductors formed on a LTCC substrate for mounting a light-emitting element, its production process and a light-emitting device. A substrate for mounting a light-emitting element, which comprises a substrate main body having a mounting surface for a light-emitting element; electrical wiring conductors to be connected to an electrode of the light-emitting element, arranged at a stepped portion provided on the mounting surface of the substrate main body; a reflection film formed on the mounting surface excluding the stepped portion and the vicinity of its periphery; and an overcoat glass film provided on the mounting surface so as to cover the entire reflection film including its edge and so as to exclude the stepped portion and the vicinity of its periphery.Type: ApplicationFiled: June 29, 2012Publication date: November 1, 2012Applicant: Asahi Glass Company, LimitedInventor: Katsuyoshi NAKAYAMA
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Publication number: 20120268948Abstract: A lighting control apparatus, comprising a shield having a reflective inner surface that blocks light emanating from a light fixture in a first direction, and redirects light emanating from the light fixture to a second direction; a clamp attached to the socket of the light fixture and deriving support therefrom; and a support structure attached to the clamp that supports the shield in a position suitable for blocking and redirecting the light emanating from the light fixtureType: ApplicationFiled: April 19, 2011Publication date: October 25, 2012Inventor: Michael D. YODER
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Publication number: 20120262925Abstract: The present disclosure is directed to a molded reflective structure for a light source, which may be a light-emitting diode (“LED”). The structure includes a reflector which defines a cavity therein. The cavity is surrounded by at least one reflective side wall, and has a greatest dimension of less than about 50 mm. The at least one reflective side wall further has an initial reflectance at 460 nm of greater than about 85% and an initial whiteness index of greater than about 80. The reflector is made from a thermoplastic polymer composition that contains a material such that the at least one reflective side wall absorbs light in the ultraviolet and violet region of the electromagnetic spectrum and re-emits light in the blue region.Type: ApplicationFiled: April 14, 2011Publication date: October 18, 2012Applicant: TICONA, LLCInventor: Bing Lu
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Publication number: 20120261699Abstract: A reflecting resin sheet provides a reflecting resin layer at the side of a light emitting diode element. The reflecting resin sheet includes a release substrate and the reflecting resin layer provided on one surface in a thickness direction of the release substrate. The reflecting resin layer is formed corresponding to the light emitting diode element so as to be capable of being in close contact with the light emitting diode element.Type: ApplicationFiled: April 13, 2012Publication date: October 18, 2012Applicant: NITTO DENKO CORPORATIONInventors: Yasunari OOYABU, Tsutomu NISHIOKA, Hisataka ITO, Toshiki NAITO
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Publication number: 20120262927Abstract: Polymer compositions are described containing a poly(1,4-cyclohexanedimethanol terephthalate) polymer in combination with a white pigment and optionally one or more reinforcing fillers. In accordance with the present disclosure, the composition also contains one or more reactive viscosity stabilizers. In order to prevent against yellowing, the composition is free of various aromatic epoxy resins, such as novolac epoxy resins. The polymer composition has excellent reflectance properties making the composition well suited for producing reflectors for light sources, such as LED assemblies.Type: ApplicationFiled: April 14, 2011Publication date: October 18, 2012Applicant: TICONA, LLCInventor: Bing Lu
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Patent number: 8287159Abstract: A reflector capable of suppressing contrast reduction caused by retro-reflection of outside light, a display device having the same, and a method of manufacturing the same are provided. The reflector includes: a base having first and second opposed surfaces, the second surface being provided with a reflective element; and a light absorbing film formed in a region other than the reflective element in the second surface.Type: GrantFiled: November 19, 2009Date of Patent: October 16, 2012Assignee: Sony CorporationInventor: Eisaku Kato
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Publication number: 20120250321Abstract: A light emitting diode (LED) floodlight is described herein. The LED floodlight can include a LED housing assembly coupled to a driver assembly. The LED housing can include a number of LEDs mounted on a front side of a LED housing and a number of heat sink protrusions extending from a back side of the LED housing. The driver assembly can include a driver mounted within a driver housing, where the front side of the driver housing couples to the end of the heat sink protrusions that extend from the back side of the LED housing. The LEDs may be coupled to a number of reflectors. The reflectors can include a reflector body having a top portion and a bottom portion. The top portion can form a shape that is an elongated version of the shape formed by the bottom portion.Type: ApplicationFiled: March 30, 2012Publication date: October 4, 2012Inventors: Patrick Stephen Blincoe, Kantesh Vittal AGNIHOTRI, Gregg LEHMAN, Rajendra KAGE
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Publication number: 20120250330Abstract: Designs for collimating optical elements and assemblies are provided which are fabricated by a subtractive process using lasers or other tools to create embedded void spaces that provide reflecting walls for internally reflective optical elements. The designs have advantages in cost, reduced development time, and performance. Light from multiple light sources can be mixed and collimated. Some embodiments provide the ability to integrate a large number of internally reflective optics into a single component and very large components can be made. Embodiments are designed for manufacturing and can be made without molding tooling.Type: ApplicationFiled: June 30, 2011Publication date: October 4, 2012Applicant: FUSION OPTIX, INC.Inventors: Timothy Kelly, Terence Yeo, David Morin
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Patent number: 8277086Abstract: 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.Type: GrantFiled: March 5, 2010Date of Patent: October 2, 2012Assignee: Alux Luxar GmbH & Co. KGInventor: Dietrich Heitmann
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Patent number: 8277089Abstract: A back light unit including a light emitting device assembly is disclosed. The light emitting device assembly includes a light emitting device module having a light emitting device, a light guide plate having a light incidence part disposed adjacent to the light emitting device module so that light generated from the light emitting device is incident upon the light incidence part and a light emission part from which the incident light is emitted, a reflective sheet provided at one side of the light guide plate, and a light adjustment part extending from the reflective sheet for adjusting a reflection amount of the light emitted from the light guide plate.Type: GrantFiled: May 2, 2011Date of Patent: October 2, 2012Assignee: LG Innotek Co., Ltd.Inventors: Sung Yong Park, Kum Tae Lee, Min Sang Kim, Moon Jeong Kim
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Patent number: 8277085Abstract: A lighting device has a light source, a reflector dish with a central opening facing the light source, and a lens between the light source and the reflector dish. The lens is so arranged that light emitted from the source towards the central opening of the reflector dish is diffracted away from the central opening. The reflector dish is arranged to reflect light received from the source through the lens back past the lens and source.Type: GrantFiled: October 5, 2009Date of Patent: October 2, 2012Assignee: Light Prescriptions Innovators, LLCInventors: Waqidi Falicoff, William A. Parkyn
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Publication number: 20120242935Abstract: Embodiments of the disclosed technology provide to a direct illumination type backlight module comprising: a bottom reflecting plate with a upper reflecting surface; a plurality of diffuse reflectors provided on the upper reflecting surface of the bottom reflecting plate, each of the diffuse reflectors having at least one diffusion reflecting surface; a light source array provided on the upper reflecting surface of the bottom reflecting plate and comprising a plurality of light emitting devices, a light emitting surface of each of the light emitting devices facing the diffusion reflecting surface of at least one of the diffuse reflectors so that light from the light emitting devices is scattered upwards by the diffuse reflectors; and a diffuser provided above the light source array. In addition, a bottom reflector and a liquid crystal display are also provided.Type: ApplicationFiled: March 20, 2012Publication date: September 27, 2012Applicants: BEIJING BOE CHATANI ELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Dongsheng YANG, Fei LIU, Zhicheng NA
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Patent number: 8272772Abstract: Uniform illuminating light is obtained on a surface at a prescribed distance from a radiation surface without increasing the thickness in a light radiation direction by using the light from the light source highly efficiently.Type: GrantFiled: June 20, 2008Date of Patent: September 25, 2012Assignee: Opto Design, Inc.Inventors: Eiichi Sato, Kenji Fukuoka
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Patent number: 8267547Abstract: An improved incandescent lamp and incandescent lighting system are disclosed, for projecting a beam of light with substantially improved energy efficiency. The incandescent lamp includes a pair of reflective ceramic filament supports for supporting one or more filaments in prescribed position(s) within an envelope while reflecting back substantially all visible and infrared light for incorporation into the projected beam or for absorption by the filament(s). The incandescent lighting system includes a special infrared-reflective shroud concentrically encircling the incandescent lamp, for reflecting infrared light back toward the lamp filament(s) while transmitting visible light to a concave reflector for incorporation into the projected beam. The infrared-reflective coating is deposited onto the shroud's inner surface, and it includes a dielectric coating and an underlying transparent conductive coating.Type: GrantFiled: June 24, 2010Date of Patent: September 18, 2012Inventor: David W. Cunningham
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Patent number: 8268215Abstract: A laminated film for a reflecting plate is provided that comprises a layer A and a layer B, the layer A comprising a polyester that comprises substantially no antimony element and preferably comprises 1 to 25 wt % of inert particles having an average particle diameter of 0.3 to 3.0 ?m and the layer B being in contact with the layer A and comprising a polyester which preferably comprises 31 to 80 wt % of inert particles having an average particle diameter of 0.3 to 3.0 ?m. This laminated film has a practically satisfactory capability of reflecting visible light, can be produced stably even if inert particles are added in high concentration, hardly has streak-like defects, and can be suitably used as a substrate for a reflecting plate for a liquid crystal display or an internally illuminating electrical billboard.Type: GrantFiled: June 16, 2005Date of Patent: September 18, 2012Assignee: Teijin Dupont Films Japan LimitedInventors: Hiroshi Kusume, Atsushi Oyamatsu
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Patent number: 8262253Abstract: A lighting system including a light-emitting diode cradle securing at least one light-emitting diode and a modular unit comprising an arcuate portion, the arcuate portion comprising at least one diffusive reflective surface adapted to receive and reflect light from the at least one light-emitting diode. The lighting system further includes a diffusive transmissive element adapted to receive light reflected by the diffusive reflective surface and provide diffused light to an area requiring illumination.Type: GrantFiled: May 2, 2008Date of Patent: September 11, 2012Assignee: Luminator Holding LPInventors: Vadim Zlotnikov, William Elliott, Kent Solberg, Larry T. Taylor, Louis Pollaehn, Valeriy K. Berger, Dan Kelleher, Marty Masias, John B. Gunter, George Berman
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Publication number: 20120212937Abstract: The invention comprises a reflector with a fastening device for an animal collar. The reflector includes a base plate with an inner surface and an outer surface. A clip, which is substantially U-shaped, runs over the inner surface, the end of the first leg of the clip being fastened by means of a movable connection to a first side of the base plate, and the end of the second leg being suitable for being irreversibly fastened to a side of the base plate opposite from the first side. On the outer surface of the base plate there are triple prisms. On the inner surface of the base plate there is/are one or more spacers. The invention also comprises a collar containing an active substance which can leave the collar over the entire length. At least one of the reflectors according to the invention is fastened to the collar.Type: ApplicationFiled: September 6, 2010Publication date: August 23, 2012Applicant: BAYER ANIMAL HEALTH GMBHInventors: Uwe Müller, Liska Vehling, Ingrid Steiner
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Patent number: 8246221Abstract: A reflector LED lamp comprises: a reflector 18 having a spheroidal reflecting surface with an opening provided therein; a plurality of LEDs 44, 46, 48, 50, and 52 arranged in the reflector 18, on a plane perpendicular to an optical axis X of the reflector 18; and a lighting circuit operable to light the plurality of LEDs, wherein the plurality of LEDs are divided into at least a first group (LED 44) and a second group (LED 46, 48, 50, and 52), the first group arranged at a first distance from the optical axis X, the second group arranged at a second distance from the optical axis X, the second distance being longer than the first distance, and while the plurality of LEDs are lit by the lighting circuit, luminous flux per LED is larger in the first group than in the second group.Type: GrantFiled: September 7, 2010Date of Patent: August 21, 2012Assignee: Panasonic CorporationInventors: Naotaka Hashimoto, Shinya Kawagoe, Toshiyasu Kojima
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Publication number: 20120195052Abstract: An apparatus for an illuminated electrical enclosure lid is provided. The lid has a lid body comprising a front face, a rear face, and at least one translucent edge. The translucent edge projects rearward from the rear face and is configured to be fit onto an electrical enclosure. The lid also has a reflective surface coincident with the rear face. The reflective surface reflects light back into the electrical enclosure. The translucent edge is configured to direct light from the illuminated electrical enclosure lid at a plurality of angles.Type: ApplicationFiled: January 31, 2011Publication date: August 2, 2012Applicant: EATON CORPORATIONInventor: John Matthew PUSKAR-PASEWICZ
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Patent number: 8232710Abstract: A light assembly includes a metal halide light source having an arc tube with first and second legs extending from a discharge chamber. A light transmissive capsule surrounds the light source. A reflector is received in the capsule and has a large diameter, annular first portion that receives light from the discharge chamber and is dimensioned to operatively engage an inner surface of the capsule to mount the reflector assembly and light source relative to the capsule. In addition, a small diameter portion of the reflector assembly is received around the first leg. By electrically interconnecting the reflector with the second electrode assembly, namely the support leg, and positioning the small diameter portion closer to the first electrode assembly than the dimension between the electrode terminal ends allows the reflector to also serve as an ignition aid.Type: GrantFiled: November 16, 2010Date of Patent: July 31, 2012Assignee: General Electric CompanyInventor: Lei Deng
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Publication number: 20120188385Abstract: In order to reduce the number of components in the optical pointing device, and the number of steps for assembling, bonding, etc. the components, a light guide (24) according to the present invention for use in an optical pointing device (30) is configured to include a redirecting element (12) for receiving light from a touch surface (11) and reflecting the light so as to guide the light into a horizontal direction, and an image forming section (14) for receiving the reflected light and reflecting the reflected light to an opposite direction backward to the horizontal direction, so as to form an image of the light, the light guide (24) outputting the image of the light from a light output section.Type: ApplicationFiled: September 29, 2010Publication date: July 26, 2012Applicant: SHARP KABUSHIKI KAISHAInventors: Takahiro Miyake, Renzaburou Miki, Tetsushi Noro, Hideya Takakura
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Patent number: 8227968Abstract: A lamp assembly (1) comprises at least a light source (8) and a reflector for reflecting light from the light source (8). The reflector is positionable with respect to the light source (8) in at least a first position and a second position to obtain a spot-like light emission in the first position and a more or less omnidirectional light emission, in the second position, of the light emitted by the lamp assembly (1). The lamp assembly (1) comprises a reflective layer (7). In the first position of the reflector at least part of the light is reflected by the reflector as well as by the reflective layer (7). In the second position of the reflector at least part of the light is reflected by the reflector and passes along the reflective layer (7).Type: GrantFiled: June 14, 2010Date of Patent: July 24, 2012Assignee: Koninklijke Philips Electronics N.V.Inventors: Wouter Petrus Kaandorp, Harald Josef Gunther Radermacher, Erik Boonekamp
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Patent number: 8215804Abstract: An outdoor lighting device includes a housing, at least one power supply device and at least one arrayed lighting unit. The housing has a surface forming at least one reflection zone and he reflection zone includes a lens. The power supply device is arranged inside the housing and has a grounding terminal connected to the housing. The power supply device receives and converts an alternate current power into an output of direct current power. The arrayed lighting unit includes plural arrays of lighting elements and a light-transmitting protection layer. The arrayed lighting unit is arranged inside the housing at a location corresponding to the lens and is connected to the power supply device, whereby the power supply device provides the arrayed lighting unit with the direct current power to energize the arrayed lighting unit to give off light that is reflected by the reflection zone.Type: GrantFiled: January 7, 2009Date of Patent: July 10, 2012Inventor: Shao-Yu Lu
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Publication number: 20120170277Abstract: The present invention provides a reflector for an LED, including a polyamide composition and configure to keep high reflectance and high degree of whiteness even after being irradiated with LED light for a long period of time. The present invention is a reflector for an LED, including a polyamide composition containing polyamide (A) that has dicarboxylic acid units including 50 to 100 mol % of 1,4-cyclohexanedicarboxylic acid units and diamine units including 50 to 100 mol % of aliphatic diamine units having 4 to 18 carbon atoms.Type: ApplicationFiled: September 2, 2010Publication date: July 5, 2012Applicant: Kuraray Co., Ltd.Inventors: Kozo Tamura, Hideharu Matsuoka, Ryu Kohase
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Publication number: 20120170282Abstract: A mixing light module includes a matrix, a fluorescent film, and a plurality of micro-structures. The matrix includes an incidence surface, an emission surface and a reflective surface. The fluorescent film disposed on or above the emission surface has an upper surface and a lower surface and includes a plurality of fluorescent particles. The matrix receives a first light having a first wavelength, and the reflective surface reflects the first light to make the first light to be emitted from the emission surface. Since the plurality of fluorescent particles receives a part of the first light from the emission surface, the plurality of fluorescent particles is excited to emit a second light having a second wavelength. The second light and the first light are mixed into a predetermined light. The plurality of micro-structures is used to make the first light or the second light uniform.Type: ApplicationFiled: December 20, 2011Publication date: July 5, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Hui-Hsiung Lin, Chiun-Lern Fu, Hsiao-Wen Hung, Wen-Hsun Yang, Chi-Hung Liao, Wen-Jung Chen
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Publication number: 20120147303Abstract: A display device is provided in which reduction of reflected light is realized. Also a multilayer substrate is provided in which light reflectance is reduced even when the substrate has a plurality of layers that differ in refractive index from each other. In the display device of one embodiment, the reflectance of light reflected by the internal structure, of light incident on the internal structure through a display screen, is less than 1.0%. The multilayer substrate of one embodiment includes a first layer and a second layer disposed adjacently to the first layer. The refractive index of the second layer varies continuously from an interface where the second layer is adjacent to the first layer in a direction from the first layer, with the variation being started at a value of the refractive index at the interface where the first layer is adjacent to the second layer.Type: ApplicationFiled: May 26, 2010Publication date: June 14, 2012Applicant: Sharp Kabushiki KaishaInventors: Nobuaki Yamada, Kazuyoshi Sakuragi, Akiyoshi Fujii, Tokio Taguchi
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Patent number: 8197102Abstract: LEDs are mounted onto a flat, thermally conductive, substrate, which is folded to form a light recycling cavity. A planar substrate is first coated with a metal layer, which is patterned to electrically connect the LEDs and to form bonding pads for wirebonds to connect the LEDs to external circuitry. The LEDs are mounted on the substrate. The substrate is then scribed on the backside to form the folds. The LED dies are then attached onto the metal islands (pads) defined on the substrate and wirebonds are used to connect the top side of the LED to adjacent patterned metal islands (pads) on the substrate. The substrate is then folded into a light recycling cavity where the LEDs are facing the inside of the cavity.Type: GrantFiled: October 3, 2011Date of Patent: June 12, 2012Assignee: Goldeneye, Inc.Inventors: William R. Livesay, Scott M. Zimmerman, Richard L. Ross
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Patent number: 8194337Abstract: Skins for light reflecting umbrellas and for methods of using light reflecting umbrellas. The invention includes skins with a series of panels in stripes of alternating colors, in a shifted configuration, in a checkered shift configuration, in a half and half configuration, in a modified half and half configuration with a center portion having a separate color combination, in a tricolor configuration, in a shifted tricolor configuration and in a center black configuration.Type: GrantFiled: March 6, 2009Date of Patent: June 5, 2012Inventor: Sergio Alejandro Ortiz-Gavin
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Publication number: 20120133689Abstract: A Point Spread Function (PSF) of a light source is controlled by the provision of a PSF modifier on a reflector at or near the light source. The modifier may be a gradient or spatially varying application of any of transmission holes, filters, and absorptive dots. The invention may be applied to displays (e.g., backlighting of displays), and arrangement of the modifiers may include patterns that vary according to artifacts occurring in the display. The PSF modifier may flatten, remove, or increase tails, or mitigate fringing colors or patterns. In backlight arrays, the PSF modifier may be similar for all centrally located light sources, and exhibit differences when applied to light sources near edges or other anomalies in the backlight or surrounding structure.Type: ApplicationFiled: July 26, 2010Publication date: May 31, 2012Applicant: DOLBY LABORATORIES LICENSING CORPORATIONInventor: Vince H. Kwong
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Publication number: 20120127731Abstract: According to one embodiment, a luminaire includes a socket, a radiating member, and a reflecting member. The socket is adapted for loading a lamp unit therein. The lamp unit loaded in the socket contacts the radiating member. The reflecting member is sandwiched and fixed between the socket and the radiating member.Type: ApplicationFiled: November 17, 2011Publication date: May 24, 2012Applicant: TOSHIBA LIGHTING & TECHNOLOGY CORPORATIONInventor: Toshifumi MASUDA
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Publication number: 20120127732Abstract: A reflective lampshade that is has a main body in which the cavity of the lampshade is reflective, wherein said cavity diffuse axially from the end that is close to the light source to the end that is far from the light source. The inside surface of the cavity is smeared with nano coat. The nano coat on the inside surface of the cavity has high reflectivity for visible light and infrared light, and reflect the light and heat produced by the light source to the outside of the lampshade. The nano coat is heat and fade resistant. In addition, the nano coat reduces the accumulation of dust or vapors.Type: ApplicationFiled: November 18, 2011Publication date: May 24, 2012Applicant: Xiamen Xing HengLong Lighting Technology Co. Ltd.Inventor: Hongyan WANG
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Publication number: 20120120325Abstract: In a support pin (11) for supporting optical members (43 to 45) through which light from a LED (24) passes, the portion of a top (14), which is in contact with a diffusion plate (43), is formed of a light reflective material, and the portion of a column (12), which supports the top (14), is formed of a light transmissive material.Type: ApplicationFiled: March 24, 2010Publication date: May 17, 2012Applicant: SHARP KABUSHIKI KAISHAInventor: Takaharu Shimizu
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Publication number: 20120113650Abstract: An insulating white glass paste suitable for forming an insulating reflective layer to be provided on a lighting device substrate, comprising an organic medium and inorganic components comprising glass frit and zirconia powder as a light-reflecting filler.Type: ApplicationFiled: November 10, 2010Publication date: May 10, 2012Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventor: Sanjuro Inoue
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Patent number: 8162504Abstract: 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.Type: GrantFiled: April 15, 2009Date of Patent: April 24, 2012Assignee: Sharp Kabushiki KaishaInventors: Tong Zhang, David Montgomery
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Patent number: 8165434Abstract: An optical coupling device enabling spherical or hemispherical light sources to be more fully utilized by gathering more of the emitted radiation and reducing the angle of emission. The optical coupling device includes a first conic reflector having an aperture at the first conic reflector vertex; a second conic reflector coaxial with the first conic reflector and opening toward the first conic reflector; a light source positioned at the second conic reflector vertex; and a negative element located at the aperture for reducing the numerical aperture of the light emitted from the optical coupling device. The optical coupling device may include a refractive medium between the first and second conic reflectors. The present invention provides for improved efficiencies when transferring or coupling optical energy into additional optical systems, and may be used with solid state light as well as conventional sources.Type: GrantFiled: March 17, 2009Date of Patent: April 24, 2012Assignee: LumenFlow Corp.Inventor: Paul L. Bourget
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Patent number: 8162511Abstract: A wide area lighting fixture including a relatively large visor extending from a bowl shaped fixture reflector. The distal portion of the visor extends relatively far outwardly and downwardly and around the fixture opening. In operating position, the visor blocks most or all off-field direct view of the light source in the fixture. Optionally a light absorbing surface or insert can be placed at the very bottom of the bowl shaped reflector to absorb or otherwise stop light that otherwise might go off field to further control spill light, glare, and sky glow or uplight.Type: GrantFiled: February 22, 2011Date of Patent: April 24, 2012Assignee: Musco CorporationInventors: Myron Gordin, Joe P. Crookham
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Publication number: 20120087135Abstract: A lamp shade structure includes a shade body for being mounted by a light emitting member. The shade body includes first and second ends spaced in a width direction perpendicular to a longitudinal axis of the light emitting member. The shade body further includes an inner surface having a convex upper end. The inner surface includes a first reflecting surface between the first end and the upper end of the inner surface and a second reflecting surface between the second end and the upper end of the inner surface. A length of the first reflecting surface in the width direction is larger than a length of the second reflecting surface in the width direction so that the light emitting member can generate optical beams of unsymmetrical illuminance distribution, and that the effect of increasing beam angle and expanding illumination range can then be achieved.Type: ApplicationFiled: October 6, 2010Publication date: April 12, 2012Inventor: Cheng-Ron Chan
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Publication number: 20120086034Abstract: A solid-state light emitting device having a solid-state light emitter (LED) operable to generate excitation light and a wavelength conversion component including a mixture of particles of a photoluminescence material and particles of a light reflective material. In operation the phosphor absorbs at least a portion of the excitation light and emits light of a different color. The emission product of the device comprises the combined light generated by the LED and the phosphor. The wavelength conversion component can be light transmissive and comprise a light transmissive substrate on which the mixture of phosphor and reflective materials is provided as a layer or homogeneously distributed throughout the volume of the substrate. Alternatively the wavelength conversion component can be light reflective with the mixture of phosphor and light reflective materials being provided as a layer on the light reflective surface.Type: ApplicationFiled: October 4, 2011Publication date: April 12, 2012Applicant: INTEMATIX CORPORATIONInventors: Xianglong Yuan, Jonathan Melman, Bing Dai, Gang Wang, Charles Edwards
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Patent number: 8147098Abstract: A reflector lamp (1) comprising a reflector (2) having an opening (6) opposite to a light emission window (7), an electric lamp (10) comprising a closed lamp vessel (11) positioned with an end portion (16) in the lamp opening of the reflector, an electric element (13) arranged on the optical axis (4) in the lamp vessel, and a support body (20). The support body comprises reflector fastening means (22) for fastening the support body to the reflector, and lamp fastening means (21) for fastening the support body to the end portion of the lamp vessel. Viewed in a direction from the lamp opening along the optical axis towards the light emission window, the support body is fastened to the reflector solely at a location beyond the lamp opening of the reflector.Type: GrantFiled: December 4, 2007Date of Patent: April 3, 2012Assignee: Koninklijke Philips Electronics N.V.Inventor: Bart Hendriks
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Publication number: 20120074450Abstract: An optical gel member to be used in a gap between light-emitting diode which is a backlight light source of an optical device and light guide plate, as well as an assembling method for an optical device and an optical device using the same. The optical gel member etc. to be used in an interposed state between light guide plate and light-emitting device consisting of a light-emitting diode (LED) in an optical device, characterized by satisfying the following requirements (i) to (iii). (i) The optical gel member consists of a transparent gel such as silicone type gel or acryl type gel, which has a hardness of 0 to 80 in JIS-A hardness according to JIS K6253, or 20 to 200 in penetration (25° C.) in accordance with JIS K2207; (ii) The optical gel member is in a string-like form, and the peripheral surface thereof is in contact with light guide plate and light-emitting device; (iii) The optical gel member has a repulsive force of 12 MPa or less at a compression rate of 30%.Type: ApplicationFiled: August 11, 2010Publication date: March 29, 2012Applicant: TAICA CORPORATIONInventors: Hirohisa Sakurai, Yuichi Shiratori, Takahiro Sasazawa, Masahiko Masuda
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Publication number: 20120069575Abstract: Embodiments of the present invention include a light converting structure, a light accommodating structure, and a lighting device. The light converting structure includes a bottom conical recess to accommodate a light source, and a top conical recess to distribute the lights emitted from the light source. The light accommodating structure includes a through hole with a small opening and a large opening. A light source is accommodated in the through hole at the large opening, and the lights emitted from the light source output at the small opening. The lighting device utilizing the light converting structure and/or the light accommodating structure obtains a thinner configuration.Type: ApplicationFiled: September 20, 2010Publication date: March 22, 2012Applicant: LUXINGTEK, LTD.Inventors: Zhi-Wei KOH, Chi-Jen KAO, Wen-Chiun ING, Wei-Hsin HOU
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Publication number: 20120063133Abstract: A through hole penetrating in a vertical direction and a slot which is separated from the through hole in the direction along the sheet surface and is long in a separating direction are provided on a light reflection sheet supported on a support body supporting a light source for reflecting light emitted from the light source, and there are provided a first shaft member fitted in the through hole for setting a position of the light reflection sheet with respect to the support body, and a second shaft member fitted in the slot to enable a relative movement in a longitudinal direction of the slot for setting the position of the light reflection sheet with respect to the support body.Type: ApplicationFiled: April 16, 2010Publication date: March 15, 2012Inventors: Hideto Takeuchi, Toshiyuki Fujita, Tatsuo Sugahara, Yuuki Kawamura, Mamoru Yahata, Hiroshi Takahashi, Keita Ito, Kenzo Toshiyuki, Kenichiro Ito, Kazuki Nakamichi, Tomoo Sasaki, Kenta Moribe
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Publication number: 20120063156Abstract: An optical unit includes: a heat sink that radiates heat from a light source; and a base portion including a reflector mounting section, a lens mounting section and a connecting section connecting the reflector mounting section and the lens mounting section. The base portion is configured such that the light from the light source is reflected by a reflector mounted onto the reflector mounting section and is incident onto a projection lens mounted onto the lens mounting section. The heat sink is exposed to a space surrounded by the lens mounting section, the connecting section and the reflector mounting section.Type: ApplicationFiled: September 9, 2011Publication date: March 15, 2012Applicant: KOITO MANUFACTURING CO., LTD.Inventors: Yuji Yasuda, Tatsuhiko Yamamichi, Shigeyuki Watanabe
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Patent number: 8132953Abstract: There are provided a light emitting diode substrate module and a method of manufacturing the same, and a backlight unit and a method of manufacturing the same. A light emitting diode substrate module according to an aspect of the invention includes: a metal plate; an insulating film having a predetermined thickness and provided on an entire outer surface of the metal plate; a reflective film having a predetermined thickness and provided on an entire outer surface of the insulating film; and at least one light emitting diode package electrically connected to a driving circuit provided on the reflective film by pattern printing. Unnecessary material costs can be avoided by forming a predetermined driving circuit by pattern printing, and optical characteristics can be improved by stably maintaining reflection characteristics.Type: GrantFiled: October 2, 2008Date of Patent: March 13, 2012Assignee: Samsung LED Co., Ltd.Inventors: Jung Kyu Park, Seong Ah Joo, Seung Hwan Choi
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Patent number: 8118455Abstract: A specialized lighting fixture including a main housing and a front bezel, and a pair of clip elements mounted in the bezel to removably secure one or more filters and a reflector. The clip elements also include a pair of opposed spring arms angled towards the bezel axis with the upper portion of the side edges of the arms positioned closer to the bezel axis than the lower portion of such edges. The bezel includes support surfaces that function, together with the clip elements to position the reflector with respect to the bezel and the bezel with respect to the main housing.Type: GrantFiled: November 2, 2009Date of Patent: February 21, 2012Assignee: Lightning Services Inc.Inventors: David M. Cowan, Petar Miskovic
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Publication number: 20120039066Abstract: A radiation reflection plate for use in LEDs is a reflection plate including an aluminum alloy layer with a depth of at least 10 ?m and an anodized film formed at a surface thereof. Pore portions of the anodized film have at least two layers of different refractive indices in a depth direction, and light reflection is enhanced in the anodized film. The radiation reflection plate has high heat dissipation properties and is capable of increasing the reflectance of light at desired specific wavelengths.Type: ApplicationFiled: August 15, 2011Publication date: February 16, 2012Applicant: FUJIFILM CORPORATIONInventors: Yusuke HATANAKA, Yoshinori HOTTA
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Publication number: 20120033302Abstract: An optical element includes a first surface, a second surface positioned to face the first surface, and a plurality of reflecting surfaces arrayed in a first region defined by the first surface and the second surface, wherein the reflecting surfaces have a first length in a first direction vertical to the first surface and are arrayed at a pitch in a second direction perpendicular to the first direction, light incident on one of the first surface and the second surface is reflected by the reflecting surfaces toward the other surface, and predetermined parameters satisfy predetermined relational formulae representing conditions for ensuring total reflection at the reflecting surfaces and for avoiding total reflection at a light emergent surface.Type: ApplicationFiled: August 2, 2011Publication date: February 9, 2012Applicant: SONY CORPORATIONInventors: Masaki Suzuki, Hayato Hasegawa, Masashi Enomoto
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Publication number: 20120026722Abstract: A light guide plate includes a body having a bottom surface and a light output surface opposite to the bottom surface. A scattering structure is formed on the bottom surface. The scattering structure includes a number of scattering dots located in the form of a number of concentric shapes around the center. The scattering dots adjacent to the center are arranged in a plurality of concentric circles. The scattering dots adjacent to the edge are arranged in a number of concentric quadrilaterals having a shape substantially corresponding to a shape of the light guide plate. A backlight module using the light guide plate is also provided.Type: ApplicationFiled: October 11, 2011Publication date: February 2, 2012Applicants: HON HAI PRECISION INDUSTRY CO., LTD., TSINGHUA UNIVERSITYInventors: JUN ZHU, HE ZHANG, YAN ZHAO, GUO-FAN JIN
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Patent number: 8107155Abstract: Embodiments include systems and methods for reducing visible artifacts such as Moiré, or interference, patterns, in displays. One embodiment includes a display device comprising a plurality of light modulators and a plurality of illumination elements configured to direct light to the light modulators. The directed light of the plurality of illumination elements collectively defines an nonuniformly varying pattern of light.Type: GrantFiled: October 6, 2006Date of Patent: January 31, 2012Assignee: Qualcomm MEMS Technologies, Inc.Inventors: Ion Bita, Gang Xu, Mark Mienko, Russell Wayne Gruhlke