Patents Examined by Tsidulko
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Patent number: 8066405Abstract: A lumenaire system for providing varied types of illumination having a structural frame with hubs disposed in a spatial configuration and joining members providing structure and stability between said hubs. There are quasi point light sources mounted at specific points on the structural frame for providing a radiant illumination from said lumenaire system and an optical system for distributing the radiant illumination as a specific light pattern.Type: GrantFiled: October 27, 2008Date of Patent: November 29, 2011Inventor: Jerome H. Simon
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Patent number: 8038317Abstract: A lighting device comprising one or more solid state light emitters which emit ultraviolet light, one or more other emitters which emit light in the range of 430 nm to 480 nm and one or more other emitters which emit light in the range of 555 nm to 585 nm, to make a mixture which in the absence of any other light would be within an area defined by coordinates (0.32, 0.40), (0.36, 0.48), (0.43, 0.45), (0.42, 0.42), and (0.36, 0.38). One or more of the other emitters is a lumiphor. One or more of the other emitters can be a solid state light emitter. The lighting device may further comprise one or more 600 nm to 630 nm light emitters, and the lighting device may emit light within ten MacAdam ellipses of the blackbody locus. Also, packaged solid state light emitters and methods of lighting.Type: GrantFiled: May 8, 2008Date of Patent: October 18, 2011Assignee: Cree, Inc.Inventors: Antony Paul Van De Ven, Gerald H. Negley
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Patent number: 8021025Abstract: An LED lamp has a base, a tubular conductor, a bulb and at least one LED. The base is metallic and has an electrical connector. The tubular conductor is filled with a fluid and mounted on the base and has a distal end and a proximal end. The bulb is pellucid and connected to the base. The at least one LED is mounted on the distal end of the tubular conductor and electrically connected to the connector of the base. The fluid in the tubular conductor may vaporize close to operating temperatures of the LED so transports heat away from the LED quickly and efficiently so allowing high power or multiple LEDs to be implemented, so improving brightness of the LED lamp and commercial applications.Type: GrantFiled: January 15, 2009Date of Patent: September 20, 2011Assignee: Yeh-Chiang Technology Corp.Inventor: Ke-Chin Lee
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Patent number: 8016455Abstract: An optical device for creating an illumination window includes radiation sources and an optical element. The optical element is arranged to create a substantially collimated radiation beam from radiation generated by the radiation sources, in which the radiation generated by the respective sources is substantially unmixed. The optical device further includes a first lens plate having first sub-lenses, in which each first sub-lens projects a part of the radiation beam at an illumination window, such that the projections of each first sub-lens at least partially overlap.Type: GrantFiled: December 11, 2006Date of Patent: September 13, 2011Assignee: Koninklijke Philips Electronics N.V.Inventor: Elvira Johanna Maria Paulussen
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Patent number: 8007152Abstract: A lighting device for a vehicle is provided. The lighting device includes a projection lens disposed on an optical axis and having a focal line, a first light emitting device disposed on a rear side of the focal line, a reflector which reflects light toward the focal line; a shade which shields a part of the light; a second light emitting device disposed on a rear side of the first light emitting device; and a light guide. The light guide includes an incident portion into which light emitted from the second light emitting device is introduced, a light guiding portion which guides the light, a shielding portion which forms a part of the shade, and an emitting portion coupled to the shielding portion and disposed on the focal line or in a vicinity of the focal line. The emitting portion emits the light guided by the light guiding portion.Type: GrantFiled: September 1, 2009Date of Patent: August 30, 2011Assignee: Koito Manufacturing Co., Ltd.Inventor: Masaaki Nakabayashi
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Patent number: 8002441Abstract: An adjustable arm gondola lighting system is provided. The adjustable arm gondola lighting system allows a user to illuminate retail merchandise located on a vertical wall by angularly and linearly adjusting the positioning of a light element of the adjustable arm gondola lighting system. The adjustable arm gondola lighting system may integrate a light shade which may include advertising by having printed graphics thereon. The light shade can be positioned around or within a light element to adjust the lighting characteristics of the adjustable arm gondola lighting system.Type: GrantFiled: October 8, 2008Date of Patent: August 23, 2011Assignee: Southern Imperial, Inc.Inventors: Patrick J. Barkdoll, Thomas E. Valiulis, Robert Louis Northrup, Jr.
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Patent number: 7997780Abstract: A lighting device includes a housing, a plurality of LEDs arranged on a base of the housing, and a first optical plate positioned above the LEDs. The first optical plate includes a light input surface, a light output surface opposite to the light input surface, and a plurality of elongated arcuate protrusions formed on the light output surface. The elongated arcuate protrusions are substantially parallel to one another. The lighting device may be used as a backlight module.Type: GrantFiled: January 14, 2009Date of Patent: August 16, 2011Assignee: Hon Hai Precision Industry Co., Ltd.Inventor: Shao-Han Chang
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Patent number: 7976192Abstract: 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.Type: GrantFiled: February 6, 2008Date of Patent: July 12, 2011Assignee: Visteon Global Technologies, Inc.Inventors: Jeyachandrabose Chinniah, Xiaolu Chen, Edwin Mitchell Sayers, Amir P. Fallahi
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Patent number: 7976175Abstract: A ring lamp includes a light source having a first hollow cylinder with a lighting device disposed therein. The light source has an emitting surface with a light-emitting direction oriented toward an axis of the hollow cylinder. The lamp also includes a light directing device configured to direct light emission. The light directing device includes a lens system having a lens formed as a second hollow cylinder and configured to focus light into a radial plane which is orthogonal to the axis. The lens system has a ring-shaped aperture diaphragm disposed centrally in an optical path of the light emission behind the lens. The emitting surface of the light source and the lens system have a same length, are coaxial and axially aligned with each other. A radial surface which is defined by an inner radius of the lens system and the length of the lens system spans a delimited volume.Type: GrantFiled: September 15, 2006Date of Patent: July 12, 2011Assignee: Stiftung Alfred-Wegener-Institut Fuer Polar- und MeeresforschungInventor: Jan Schulz
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Patent number: 7946744Abstract: Light generated at a specific wavelength corresponding to a particular color or color range that is distracting or disruptive to a driver during a normal operation is blocked through an inexpensive construction without blocking light in a required range of wavelengths. A projector is constructed such that a plurality of LEDs are arranged in an array configuration. The LEDs can include a tinge of red reduction LED and near-infrared LEDs. The projector can be installed in a vehicle and disposed in proximity to the camera. In some embodiments, the projector can be controlled by a control circuit to be turned on in conjunction with the shutter of a camera.Type: GrantFiled: January 31, 2008Date of Patent: May 24, 2011Assignee: DENSO CORPORATIONInventor: Takuhiro Omi
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Patent number: 7942558Abstract: Optical device and optical component part for the targeted reproduction of light emitted by LED light sources (6). The optical device comprises at least two component parts, a first optical component part (10) in the form of a solid waveguide and another component part for connection to the LED light source (6). In a system of Cartesian co-ordinates, the first optical component part (10) has a length in the y direction shorter than or equal to its length in the z direction and shorter than or equal to its length in the x direction. An envelope of the first optical component part (10) projected in an x-y plane forms essentially a rectangle. Proceeding from an x-y plane, the optical component part (10, 10?) tapers in the z direction to maximum ¼ of the largest width measured along y (By, max), with any design of the y-z flanks of the optical component part (10, 10?).Type: GrantFiled: October 2, 2006Date of Patent: May 17, 2011Inventors: Frédéric Zweig, Thomas Bührer
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Patent number: 7942554Abstract: A lighting device has a light source, a first magnifier lens, a second magnifier lens, and an adjusting mechanism. The light source generates a light beam. The first magnifier lens is disposed in a path of the light beam. The second magnifier lens is disposed in the path of the light beam. The adjusting mechanism includes first and second male members and first and second sleeve members. The first sleeve member is associated with the first male member and the first magnifier lens. The second sleeve member is associated with the second male member and the second magnifier lens.Type: GrantFiled: October 15, 2009Date of Patent: May 17, 2011Assignee: Eveready Battery Company, Inc.Inventor: David J Alessio
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Patent number: 7942557Abstract: An LED lamp includes a heat sink, a centrifugal blower and a plurality of LED modules. The heat sink includes a base plate defining an air intake adjacent to an end of the base plate and a plurality of fins extending downwardly from a bottom surface of the base plate, between the air intake and an opposite remote end of the base plate. The centrifugal blower is mounted on the bottom surface of the base plate and located between the air intake and the fins. The LED modules are fixed on a top surface of the base plate of the heat sink. The housing engages with the base plate to enclose the centrifugal blower and the fins therein and cooperates with the base plate to define an exhaust port between the opposite remote end of the base plate and a corresponding sidewall of the housing.Type: GrantFiled: September 25, 2008Date of Patent: May 17, 2011Assignees: Fu Zhun Precision Industry (Shen Zhen) Co., Ltd., Foxconn Technology Co., Ltd.Inventors: Zhi-Yong Zhou, Qiao-Li Ding
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Patent number: 7938557Abstract: A light source and a method for operating the same are disclosed. The light source includes a light emitter and a controller. The light emitter generates light in response to a control signal coupled thereto. The light emitter is characterized by an age related to the amount of light that has been cumulatively generated by the light emitter, the generated light for a given control signal changing with the age. The controller measures the age of the light emitter and generates the control signal based on the desired light intensity and the measured age of the light emitter. In one embodiment, the controller stores an age value for the light emitter, and the controller determines the control signal in response to an input signal specifying a desired light intensity from the light emitter, the controller updating the age value each time the control signal is determined.Type: GrantFiled: December 23, 2004Date of Patent: May 10, 2011Assignee: Avago Technologies ECBU IP (Singapore) Pte. Ltd.Inventors: Sundar Natarajan Yoganandan, Thye Linn Mok, Kian Shin Lee, Norfidathul Aizar Abdul Karim, Su Lin Oon, Siew It Pang, Kheng Leng Tan, Fakhrul Arifin Mohd Afif, Wen Ya Ou, Yew Cheong Kuan
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Patent number: 7938558Abstract: An LED apparatus including (a) a mounting board, (b) a plurality of LED packages thereon, (c) a lens member over each LED package, and (d) a safety barrier positioned over the mounting board, the barrier having sufficient thickness for enclosure of electrical elements on the mounting board and including a plurality of openings each sized to permit light from an LED package to pass therethrough and through a light-transmission portion of the lens member over such LED package to prevent finger-contact of electrical elements on the mounting board when the light-transmission portion is not present.Type: GrantFiled: July 6, 2007Date of Patent: May 10, 2011Assignee: Ruud Lighting, Inc.Inventors: Kurt S. Wilcox, Wayne P. Guillien
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Patent number: 7926968Abstract: A dual mode luminous ball pen is disclosed. The luminous pen includes a pen shaft; a tapered transparent tip portion disposed on a proximal end of the shaft; a refill, a switch portion, a lamp, a control portion, and a button. The switch portion disposed inside the pen shaft and connected to the tip portion for rotating a sleeve. The lamp includes at least a cell, a first light emitting diode (LED), and a second LED, and can be rotated together by the sleeve to supply/cut-off a power supplied by the cell to the LEDs. The control portion is disposed on the switch portion to turn on one of the first and second LEDs. The button is depressed into the pen shaft to rotate the control portion.Type: GrantFiled: February 5, 2008Date of Patent: April 19, 2011Assignee: Spark Gold Co.Inventor: Yu-Yin Liu
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Patent number: 7905613Abstract: An object of the present invention is to improve the color reproduction capability of a liquid crystal display backlight using white LEDs. A backlight of the present invention includes: a light guide plate 6; a light diffusing optical waveguide 3 disposed adjacent the light guide plate 6; a plurality of white LEDs 1 disposed on the light diffusing optical waveguide 3; and single color LEDs (red LEDs) 2 disposed on respective opposite sides of the light diffusing optical waveguide 3; wherein light from the white LEDs 1 passes through the light diffusing optical waveguide 3 and enters the light guide plate 6 through a side thereof, whereas light from the single color LEDs 2 is diffused by the light diffusing optical waveguide 3 before entering the light guide plate 6 through the same side thereof. Thus, the light diffusing optical waveguide 3 mixes light from the white LEDs 1 and single color LEDs 2, resulting in improved color reproduction capability of the backlight.Type: GrantFiled: April 16, 2007Date of Patent: March 15, 2011Assignees: Hitachi Displays, Ltd., Hitachi Displays Devices, Ltd.Inventor: Saburo Watanabe
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Patent number: 7901114Abstract: A positioning apparatus for theatrical lighting equipment. In particular, an apparatus that allows an operator to control the direction of the light beam from a lighting fixture and simultaneously control an iris attached to the lighting fixture.Type: GrantFiled: November 21, 2007Date of Patent: March 8, 2011Inventor: Thomas E. Lok
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Patent number: 7871186Abstract: A highway lighting apparatus includes a lighting fixture, and a vibration damper. The vibration damper includes a housing having a ball chamber, the chamber being of square shape. One or two vibration damping balls are mounted in the chamber for independent free rolling movement therein. If two balls are used, the ball diameter is shorter than one-half of each of the four chamber sides. If the damper is used on a pole having a side-mounted light fixture, the housing would include a downwardly open socket receiving the top end of the pole, with a center axis of the pole coinciding with respective center axes of the chamber and the socket. In the case where the damper is used on a pole having a top-mounted light fixture, the damper would be mounted below the light fixture on a side of the pole.Type: GrantFiled: April 2, 2007Date of Patent: January 18, 2011Assignee: Kearney-National, Inc.Inventor: Ray Carl Minor
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Patent number: 7832908Abstract: A light-emitting diode (LED) reflector optic includes a reflector having a reflector having a plurality of reflecting surfaces, wherein each one of the plurality of reflecting surfaces is associated with at least one optical axis, each reflecting surface comprising a cross-section that is projected along a curved trajectory and a plurality of LEDs, wherein each one of the plurality of LEDs is positioned in a line parallel to the cross-section of an associated one of the plurality of reflecting surfaces and relative to the associated reflecting surface of the plurality of reflecting surfaces such that a central light-emitting axis of each one of the plurality of LEDs is angled relative to the at least one optical axis of the associated reflecting surface of the plurality of reflecting surfaces at about 90° and such that each of the reflecting surfaces redirects and collimates a light output of a respective each one of the plurality of LEDs at an angle of about 90° with respect to the central light emitting axiType: GrantFiled: April 3, 2009Date of Patent: November 16, 2010Assignee: Dialight CorporationInventors: John Patrick Peck, William S. Leib, III