Glass Patents (Class 362/311.05)
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Patent number: 11079075Abstract: The invention provides a luminaire comprising a housing. The housing carries a lighting unit. The luminaire comprises an annular wall and a radially extending flange portion around the annular wall. The annular wall extending in an axial direction from the radially extending flange portion and at least a portion of the radially extending flange may be removable to allow mechanical connection between adjacent luminaires thus creating a lighting system.Type: GrantFiled: September 28, 2018Date of Patent: August 3, 2021Assignee: SIGNIFY HOLDING B.V.Inventor: Lukas Weyhaeghe
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Patent number: 9985375Abstract: An embodiment includes a holder assembly with terminals that are supported by insert molding. The terminals are electrically connector to conductors, which can be covered with an insulative covering, and thus provide easy to connector holder assemblies. The holder can include features that allow an LED module to be inserted into a recess in the housing and retained via a friction fit. Such a configuration allows the assembly to be shipped as an assembly without the need to solder the LED module to the holder and while still ensuring a reliable electrical connection between the LED module and the corresponding holder assembly.Type: GrantFiled: August 11, 2014Date of Patent: May 29, 2018Assignee: Molex, LLCInventors: Daniel B. McGowan, David Rios
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Patent number: 9608228Abstract: An organic light-emitting device includes an internal light extraction layer including a scattering layer and a smooth layer; and a transparent electrode including an underlying layer and an electrode layer, wherein the transparent electrode is provided on the smooth layer side of the internal light extraction layer, the internal light extraction layer has a refractive index in the range of 1.7 to less than 2.5, and the electrode layer includes silver or an alloy including silver as a main component.Type: GrantFiled: December 6, 2013Date of Patent: March 28, 2017Assignee: KONICA MINOLTA, INC.Inventor: Takaaki Kuroki
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Patent number: 9033551Abstract: Disclosed herein is a a light emitting diode lamp including: a base having a power terminal capable of being electrically connected to an external alternating current (AC) power source; a housing coupled to the base and formed in a hollow structure; a light emitting diode package installed in the housing; the power supply module supplying an external AC power to the light emitting diode package; and a transparent insulating heat radiation liquid configured to radiate a heat generated from the light emitting diode package and the power supply module by impregnating the light emitting diode package and the power supply module therein and filled in the housing having the hollow structure.Type: GrantFiled: May 18, 2012Date of Patent: May 19, 2015Assignees: Global and Creative Partnership, People & Give Co., Ltd.Inventors: Jang-Min Han, Kyeong-Jun Lim
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Patent number: 8992053Abstract: Exemplary embodiments of the present invention relate to wide-angle illumination patterns for short-throw lighting. An illumination lens according to an exemplary embodiment includes a light incident surface that defines a cavity and has a flat top and lateral flanks, the light incident surface being configured to receive light from an underlying light emitting element. The illumination lens also includes a light exiting surface having a central indentation and a surrounding toroid, wherein the flat top faces the central indentation.Type: GrantFiled: March 5, 2013Date of Patent: March 31, 2015Assignee: Seoul Semiconductor Co., Ltd.Inventors: David G Pelka, William A Parkyn
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Publication number: 20150062923Abstract: A light-emitting module according to an embodiment includes a light-emitting element which emits light and a substrate on which the light-emitting element is mounted. Further, the light-emitting module according to the embodiment includes a lens, which is formed from a material containing an aliphatic hydrocarbon organic compound having a cyclic structure in the main backbone, and is disposed on the substrate so as to cover the light-emitting element, and in which on a portion irradiated with light emitted by the light-emitting element, the maximum illuminance of the light is 100,000 lx or more and 300,000 lx or less or the maximum energy per unit area of the light is 30,000 ?W/cm2 or more and 90,000 ?W/cm2 or less.Type: ApplicationFiled: March 5, 2014Publication date: March 5, 2015Applicant: Toshiba Lighting & Technology CorporationInventors: Takaya Kamakura, Hideaki Shimojo, Kenichi Asami, Yoshiyuki Matsunaga
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Publication number: 20150062921Abstract: The present disclose relates to light source device, which including a light source and a lens opposite to the light source. The lens includes a bottom surface, a light input surface, a top surface and a side surface. The light input surface depresses from the bottom surface towards a top surface of the lens. The light input surface is an aspheric surface. The top surface is opposite and parallel to the bottom surface. The side surface connects the bottom surface and the top surface. The side surface is a curved surface formed by rotating a curve line about the central axis of the lens. Light emitted from the light source enters the lens and is refracted by the side surface and the top surface of the lens to outside.Type: ApplicationFiled: October 16, 2013Publication date: March 5, 2015Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: LI-YING WANG HE, YI HUNG
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Patent number: 8967837Abstract: A solid state light having a shell forming an interior volume and with surface texture for redirecting light. A light section is coupled to the shell, and a light source board in the light section includes at least one solid state light source such as an LED. The shell, light section, and light source board have apertures for providing an air cooling channel through the light. The solid state light source transmits light into the interior volume, and the light exits from the shell and is redirected by the surface texture, providing for various light distribution curves of the light.Type: GrantFiled: August 1, 2013Date of Patent: March 3, 2015Assignee: 3M Innovative Properties CompanyInventors: Alexander C. Tsuei, James F. Poch, Paul E. Humpal, Hamid R. Mortazavi, Robert L. Brott, Raymond P. Johnston
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Patent number: 8916245Abstract: A fracture-safe viewport for a pressure system having a pressure port which is pumped by said pressure system to a pressure above or below atmospheric pressure, comprising a plurality of panes each capable of passing electromagnetic radiation therethrough, each pane being mounted inside a tubular structure and being hermetically sealed to the wall of the pressure chamber. Each of the panes may be a different material or any combination of materials may be used from the group comprising sapphire, glass and quartz or any other material through which a high powered laser or other electromagnetic beam may be directed without adverse consequences. Highly pure, defect-free, ultra-polished, single-crystal sapphire is preferred. Spacing between the panes is used in most embodiments to avoid shrapnel damage in case of catastrophic failure of a pane.Type: GrantFiled: June 8, 2009Date of Patent: December 23, 2014Inventor: Joseph Alexander Mansour, II
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Patent number: 8911118Abstract: An illumination system includes an LED module and an illuminated area. The LED module includes an LED, and a lens mounted in light path of the LED. The lens includes a light source recess, a first light emitting surface, a critical reflecting surface, and a second light emitting surface intersecting with the first light emitting surface and being on same side with the first light emitting surface. The first light emitting surface can receive more light quantity than the second light emitting surface. Although the light emitted from the first light emitting surface may have greater attenuation than the light emitted from the second light emitting surface, light emitted from the first light emitting surface can make up the intensity losses of attenuation as the first light emitting surface receives more light quantity than the second light emitting surface. As a result, the illumination system has a uniform illumination pattern.Type: GrantFiled: August 26, 2013Date of Patent: December 16, 2014Assignee: Ningbo Hi-Tech Park Self Electronics Co., Ltd.Inventors: Fawei Zhang, Le Xu, Wanjiong Lin
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Publication number: 20140362580Abstract: An apparatus for generating light may be comprised of a light source with a lens interposed in a light path from the light source. The lens may be comprised of two or more sections wherein at least one section may be comprised of smart glass. Electrical circuitry may be configured to control a transparency state of the smart glass lens sections. Another embodiment may have two reflectors wherein one of the reflectors may be interposed between the light source and the other reflector and may be comprised of smart glass with a transparent state and a reflective state so that two different reflection patterns may be created. A method for illumination wherein at least one area's illumination is controlled by a section of smart glass is also disclosed.Type: ApplicationFiled: August 6, 2014Publication date: December 11, 2014Inventor: Karl S. Jonsson
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Patent number: 8783928Abstract: A decorative composite body includes a glass body and a plastic partly enclosing the glass body, wherein part of the surface of the glass body is arranged on the outside of the decorative composite body, wherein at least two adjacent glass and plastic areas arranged on the outside of the composite body are ground in the composite state, wherein areas of the glass body adjacent to the plastic are at least partly mirrored.Type: GrantFiled: March 23, 2010Date of Patent: July 22, 2014Assignee: D. Swarovski & Co.Inventor: Walter Hermann
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Patent number: 8727578Abstract: Provided are an optical element and a method for manufacturing the optical element, wherein the concave optical surface of the optical element does not adhere to the metal mold convex surface and excellent mold releasability is ensured by providing the end surface of the optical element with an end section which is continuous to the outer end section of the concave optical surface of the optical element and providing the end section with a tapered section having a tilt with respect to the flat surface formed by the outer end section of the concave optical surface at the time of forming the optical element by means of a liquid drop method. The tapered section can be used for alignment at the time of assembling the light emitting unit, and contributes to process time reduction and prevention of generation of failures.Type: GrantFiled: March 3, 2010Date of Patent: May 20, 2014Assignee: Konica Minolta Opto, Inc.Inventor: Shuji Ikenaga
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Publication number: 20140111972Abstract: A light source module includes a receiving container, a light source disposed in the receiving container and a filter filtering the light produced from the light source. A backlight unit includes a plurality of light source modules. The plurality of light source modules include a first light source module with a filter and a second light source module alternately disposed with the first light source module. The filter includes a substrate, a transparent layer disposed on the first metal layer and a second metal layer disposed on the transparent layer. The filter transilluminating light of specific area is disposed on the light source module. Thus, the backlight unit having high color reproducibility may be manufactured.Type: ApplicationFiled: February 26, 2013Publication date: April 24, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Hee-Kwang SONG, Dong-Hwan KIM
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Patent number: 8678621Abstract: A mounting arrangement for a light source (L) having associated a Printed Circuit Board, wherein said mounting arrangement includes: a housing (H) with an exit opening for light from the source (L), a reflector (R) to reflect light from the source (L) towards the opening, an at least partly transparent cover (1) to close the opening of the housing (H). The cover (1) includes a set of retaining elements (12A) for retaining the cover (1) to the housing (H), and a set of holding elements (12B) for holding the associated Printed Circuit Board (D) within the housing (H). Such configuration is capable of exerting a pressure on the reflector (R) when the cover (1) is coupled to the housing (H), and wherein the reflector (R) in turn urges the light source (L) against the housing (H), providing thus thermal coupling between the light source (L) and the housing (H).Type: GrantFiled: October 15, 2009Date of Patent: March 25, 2014Assignee: OSRAM Gesellschaft mit beschrankter HaftungInventors: Alessandro Bizzotto, Simone Capeleto, Christian Hacker, Alessandro Scordino
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Publication number: 20130343063Abstract: A display device includes a first substrate, a light emission portion on the first substrate, a second substrate separated by a predetermined distance from the light emission portion, and a refractive layer on the second substrate, the refractive layer facing the light emission portion and being configured to change an optical path of light emitted from the light emission portion.Type: ApplicationFiled: November 13, 2012Publication date: December 26, 2013Inventors: Hye-Jung PARK, Soon-Ryong PARK, Woo-Suk JUNG, Seok-Gi BAEK, Tae-Eun KIM
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Patent number: 8608347Abstract: Embodiments of a lighting apparatus with a light source using one or more light emitting diodes (LEDs) to generate light. In one embodiment, the lighting apparatus comprises a light diffusing assembly that generates an optical intensity profile consistent with incandescent lamps. The light diffusing assembly comprises an envelope and a reflector element having frusto-conical member and an aperture element disposed therein. The lighting apparatus can also comprise a heat dissipating assembly with a plurality of heat dissipating elements disposed annularly about the envelope. In one example, the heat dissipating elements are spaced apart from the envelope to promote convective heat dissipation.Type: GrantFiled: July 22, 2011Date of Patent: December 17, 2013Assignee: GE Lighting Solutions LLCInventors: Jeyachandrabose Chinniah, Ashfaqul Islam Chowdhury, Gary Robert Allen, Jeremias Anthony Martins, Anthony Rotella
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Patent number: 8596817Abstract: Certain example embodiments relate to lighting system covers that include AR-coated textured glass, and/or methods of making the same. In certain example embodiments, at least one light source is provided proximate to a cover comprising a glass substrate. The glass substrate includes an anti-reflective (AR) coating on the surface that is closer to the at least one light source, and the glass substrate is textured (e.g., such that it is substantially prismatic in texture) on the surface opposite the AR-coated surface. The surface of the glass substrate on which the AR coating is formed may be a flat, irregular, or textured matte. An optional AR coating also may be formed on the textured surface of the glass substrate.Type: GrantFiled: November 6, 2012Date of Patent: December 3, 2013Assignee: Guardian Industries Corp.Inventors: Yiwei Lu, Jim St. Jean, Nathan P. Mellott, Zhongming Wang
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Publication number: 20130242562Abstract: A glass pane is described. The glass pane has at least one pane, and one adhesive layer on the pane. The adhesive layer has at least one thermoplastic film with a luminescent pigment and a barrier film with an anti-scratch coating.Type: ApplicationFiled: August 22, 2011Publication date: September 19, 2013Inventor: Michael Labrot
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Publication number: 20130120989Abstract: An atmosphere light with interacting functions includes a body formed with a plurality of polygon-shaped blocks which are connected to each other, a plurality of lenses respectively covering the blocks, a receiving space defined between the lens and the block, a light source located in the receiving space and mounted at the center on the bottom of the block, a cover assembled in the receiving space and covering the light source, a controller assembled in the body and electrically connected to the light source so that the light source is varied by the controller. Under this arrangement, when the light beams from the light source are transmitted to the lenses, the light beams are refracted by the lenses and passes through the lenses; consequently, the light beam is formed as a virtual image at the center of the body via the refraction.Type: ApplicationFiled: February 19, 2012Publication date: May 16, 2013Applicant: NATIONAL CENTRAL UNIVERSITYInventors: Ching-Cherng Sun, Yeh-Wei Yu, Yu-Huan Wang
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Publication number: 20130114269Abstract: A translucent conductive substrate (1) for Organic Light Emitting Device comprising, a transparent support (10), a scattering layer (11) formed over the transparent support (10) and comprising a glass which contains a base material (110) having a first refractive index for at least one wavelength of light to be transmitted and a plurality of scattering materials (111) dispersed in the base material (110) and having a second refractive index different from that of the base material and a transparent electrode (12) formed over the scattering layer (11), said electrode (12) comprising at least one metal conduction layer (122) and at least one coating (120) having properties for improving the light transmission through said electrode, said coating (120) comprises at least one layer for improving light transmission (1201) and is located between the metal conduction layer (122) and the scattering layer (11), on which said electrode (12) is deposited.Type: ApplicationFiled: July 15, 2011Publication date: May 9, 2013Applicants: Asahi Glass Company, Limited, AGC Glass EuropeInventors: Benoit Domercq, Philippe Roquiny, Daniel Decroupet, Nobuhiro Nakamura, Naoya Wada, Nao Ishibashi
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Publication number: 20130044497Abstract: This invention is for providing an illumination device obtainable of a wide angle light distribution characteristics required for a spot type or a light bulb type in compliance with environments of an institution or user's favorite, capable of outputting adequately diffused light from the illumination device, with excellent design feature. The invented illumination device includes an electric power receiving section supplied with electric power from an external portion, a power source section connected to the electric power receiving section, converting the electric power into prescribed drive power, a light source section connected to the power source section, emitting light according the drive power, a housing section containing the light source section, and a light guiding section arranged to project from the housing section, outputting, from a branched outgoing surface, the light of the light source section entered from an incident surface.Type: ApplicationFiled: May 26, 2010Publication date: February 21, 2013Applicant: S. K. G. CO., LTD.Inventors: Mitsuhide Sakamoto, Toshiaki Yagi, Junichi Ando
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Patent number: 8317360Abstract: Certain examples relate to lighting system covers that include AR-coated textured glass, and/or methods of making the same. In certain examples, at least one light source is provided proximate to a cover comprising a glass substrate. The glass substrate includes an anti-reflective (AR) coating on the surface that is closer to the at least one light source, and the glass substrate is textured (e.g., such that it is substantially prismatic in texture) on the surface opposite the AR-coated surface. The surface of the glass substrate on which the AR coating is formed may be a flat, irregular, or textured matte. An optional AR coating also may be formed on the textured surface of the glass substrate.Type: GrantFiled: September 18, 2008Date of Patent: November 27, 2012Assignee: Guardian Industries Corp.Inventors: Yiwei Lu, Jim St. Jean, Nathan P. Mellott, Zhongming Wang
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Publication number: 20120099328Abstract: A light-emitting module of the present invention comprises: a light source in which an LED element is disposed on a substrate and electrodes electrically connected to the LED element are provided on the substrate; a metal plate on which the light source is disposed; lead wires connected to the electrodes directly or via other electrode pattern; and a housing made of resin fixed onto the metal plate and housing the light source therein. Moreover, the housing includes a hole opening above the light source, and includes at least one pair of protrusions that protrude facing one another inside the hole and apply a bias to the light source to press the light source onto a metal plate side.Type: ApplicationFiled: October 24, 2011Publication date: April 26, 2012Applicants: CITIZEN HOLDINGS CO., LTD., CITIZEN ELECTRONICS CO., LTD.Inventors: Takumi MIYASHITA, Ichiro MIYASHITA, Ken KOBAYASHI
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Patent number: 8154047Abstract: A solid element device includes a solid element, an electric power receiving and supplying part for receiving electric power from and supplying the electric power to the solid element, and an inorganic sealing material for sealing the solid element. The inorganic sealing material includes a low melting glass selected from SiO2—Nb2O5-based, B2O3—F-based, P2O5—F-based, P2O5—ZnO-based, SiO2—B2O3—La2O3-based, and SiO2—B2O3-based low melting glasses.Type: GrantFiled: October 7, 2010Date of Patent: April 10, 2012Assignees: Toyoda Gosei Co., Ltd., Sumita Optical Glass Inc.Inventors: Yoshinobu Suehiro, Mitsuhiro Inoue, Hideaki Kato, Kunihiro Hadame, Ryoichi Tohmon, Satoshi Wada, Koichi Ota, Kazuya Aida, Hiroki Watanabe, Yoshinori Yamamoto, Masaaki Ohtsuka, Naruhito Sawanobori
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Patent number: 8142054Abstract: Provided herein is a light-emitting apparatus capable of achieving both improved durability and higher brightness with an inexpensive and simple construction. A heat resistant glass substrate 51 is mounted in a vacuum chamber 5, and while an anode electrode 8 (and a light emitter 20) is mounted on the glass substrate, the glass substrate 51 is separated from a glass substrate 11. This precisely protects the vacuum chamber 5 from thermal damage due to light emission upon excitation, even when the current density between the cathode electrode 6 and the anode electrode 8 is controlled at a high level to cause the light emitter 20 to emit light at high brightness.Type: GrantFiled: October 13, 2008Date of Patent: March 27, 2012Assignee: Fuji Jukogyo Kabushiki KaishaInventors: Hisaya Takahashi, Atsushi Namba, Toshiya Arakawa, Mikio Ono
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Patent number: 8141384Abstract: A molding operation produces an extractor array by providing a mold having a plurality of cavities therein, each cavity being adapted to form an extractor suitable for coupling to an LED die; filling the mold with a plurality of glass particles; heating the glass particles above glass transition temperatures thereof so that the particles are reshaped to conform to the cavity shapes; and forming a land layer that extends between the cavities. The land layer maintains the extractors in a fixed spatial relationship with each other for subsequent handling or processing, such as a simultaneous polishing operation or in attaching the extractor array to a corresponding LED array.Type: GrantFiled: May 3, 2006Date of Patent: March 27, 2012Assignee: 3M Innovative Properties CompanyInventors: Amy S. Barnes, Anatoly Z. Rosenflanz, Catherine A. Leatherdale, Andrew J. Ouderkirk, Jacqueline C. Rolf
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Publication number: 20110317431Abstract: Provided are an optical element and a method for manufacturing the optical element, wherein the concave optical surface of the optical element does not adhere to the metal mold convex surface and excellent mold releasability is ensured by providing the end surface of the optical element with an end section which is continuous to the outer end section of the concave optical surface of the optical element and providing the end section with a tapered section having a tilt with respect to the flat surface formed by the outer end section of the concave optical surface at the time of forming the optical element by means of a liquid drop method. The tapered section can be used for alignment at the time of assembling the light emitting unit, and contributes to process time reduction and prevention of generation of failures.Type: ApplicationFiled: March 3, 2010Publication date: December 29, 2011Inventor: Shuji Ikenaga
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Publication number: 20110070553Abstract: A light source for use in a device, for example in a dental device, comprising a semiconductor element disposed in a housing wherein the semiconductor element comprises a light-emitting surface. The light source further comprises a socket that extends from a side of the semiconductor element opposite the light-emitting surface, the socket being provided for being placed in a frame located in the device, wherein the socket comprises contact elements and lines for power supply to the semiconductor element. The light source is particularly robust and long-lasting.Type: ApplicationFiled: March 13, 2009Publication date: March 24, 2011Applicant: Kaltenbach & Voigt GmbHInventors: Johann Stempfle, Bernd Gugel
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Patent number: 7872417Abstract: A diode chip is sealed by a glass material. There are provided a light emitting diode chip and a glass member in close contact with at least one portion of the surface of the light emitting diode chip. The glass member has a surface shape containing a curved surface at least a portion thereof. The curved surface is preferably a portion of a spherical surface or a spheroidal surface. The glass member has a surface shape containing a spherical portion and a flat portion, and the diode chip is preferably disposed on the flat portion.Type: GrantFiled: October 11, 2007Date of Patent: January 18, 2011Assignee: Asahi Glass Company, LimitedInventors: Nobuhiro Nakamura, Syuji Matsumoto, Hitoshi Onoda, Yutaka Segawa, Tetsuro Matsumoto, Hiroshi Usui
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Publication number: 20100246173Abstract: An exemplary illumination device includes a solid-state light source and a light diffusion plate. The solid-state light source is configured for generating light, and the solid-state light source defines a central axis. The light diffusion plate is arranged generally adjacent to the solid-state light source. The plate includes an incident surface and an output surface at opposite sides thereof. At least one of the incident surface and the output surface has parallel micro-structures each having a length parallel to a first reference axis. The micro-structures are arranged in two groups at opposite sides of the central axis, and the micro-structures of the two groups are symmetrical relative to each other across the central axis. The first micro-structures are configured for increasing a radiating range of the light entering the plate along respective opposite directions of a second reference axis substantially perpendicular to the first reference axis.Type: ApplicationFiled: November 4, 2009Publication date: September 30, 2010Applicant: FOXSEMICON INTEGRATED TECHNOLOGY, INC.Inventors: AN-CHI WEI, CHIH-MING LAI
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Patent number: 7798672Abstract: An illumination apparatus includes a lamp housing defining a cavity, a plurality of light emitting diodes disposed within the cavity, a first inner glass sheet for sealing the cavity, a second outer glass sheet, and a resilient layer formed between the glass sheets.Type: GrantFiled: January 17, 2006Date of Patent: September 21, 2010Assignee: Dialight Lumidrives LimitedInventor: Gordon Routledge
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Patent number: 7722237Abstract: A self-contained illuminating device for mounting on or in a closed container for illuminating both the enclosed space of the container and an area of the device which has an insignia or graphic imposed thereon, e.g. for advertising purposes. The device has a shell made of a translucent material and a miniature light source. The shell is adapted to function as an optical waveguide for propagating light emitted by the light source down the shell while simultaneously illuminating surfaces of the shell bearing the advertisement. Additionally, the shell may include a light scattering element for distributing light at a periphery of the shell. The illuminating device comprises a circuitry, including a position-sensitive switch, e.g. a tilt switch, for activating the light source dependent on the position of the device.Type: GrantFiled: December 12, 2006Date of Patent: May 25, 2010Assignee: Lumincity Inc.Inventors: David Alan Watson, Linda Lee Pond, Rhonda Renee Puckett
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Publication number: 20100052546Abstract: Lighting elements include light emitting diodes mounted on a circuit board with a lens assembly that may be positioned substantially near the light emitting diode to allow light from the light emitting diode to pass through a lens portion of the lens assembly. The lens assembly includes a connecting base piece to detachably connect the lens assembly to the circuit board. A method of connecting a lens to a circuit board may also include placing a lens assembly including the lens over a light emitting diode and detachably connecting the lens to the circuit board by detachably connecting a base piece of the lens assembly to the circuit board.Type: ApplicationFiled: August 27, 2008Publication date: March 4, 2010Applicant: Young Electric Sign CompanyInventors: John S. Williams, Richard A. Petersen
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Patent number: 7661849Abstract: An illuminating device features a light transmitting plate having a first surface and a second surface, the first surface having inward depressions.Type: GrantFiled: October 30, 2007Date of Patent: February 16, 2010Inventors: Ping Sun Patrick Lo, Hok-Yuk Patrick Cheung
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Publication number: 20090284974Abstract: A spa speaker mounting and illumination receptacle includes a light transmitting circular flange and a circular light transmitting sidewall perpendicularly disposed to and supporting the flange, the sidewall including at least a first lamp receptacle and at least a first tapered portion, the first lamp receptacle being disposed to direct illumination from a lamp disposed therein into said first tapered portion, the first tapered portion being tapered to enhance the uniformity of distribution of illumination around the flange.Type: ApplicationFiled: August 22, 2008Publication date: November 19, 2009Inventors: Mark Douglas Kempkey, Drew Robertson Verkade, Bradley Charles Steele, Christopher C. Larsen