Patents Examined by Meghan K. Dunwiddie
  • Patent number: 7914173
    Abstract: The invention relates to a lamp assembly for illuminating a surface comprising a cavity (5) having a substantially diffuse reflective surface (6), said cavity having an open aperture (7) facing said surface to be illuminated, and a plurality of light emitting diodes (9 A, 9B, 9C) capable of emitting visible light (LA, LB, LC). The light emitting diodes are arranged on or near said diffuse reflective surface of said cavity such that light emitted from said light emitting diodes is capable of reflecting from said diffuse reflective surface towards said surface to be illuminated.
    Type: Grant
    Filed: November 13, 2006
    Date of Patent: March 29, 2011
    Assignee: Koninlijke Philips Electronics N.V.
    Inventors: Elvira Johanna Maria Paulussen, Peter Alexander Duine, Denis Joseph Carel Van Oers
  • Patent number: 7914197
    Abstract: A light guide member, a flat light source device and a display device using the light guide member. A plurality of luminescent devices that emit light of violet to blue color are arrayed on a substrate, and a light guide member is disposed upward thereof that includes a first area that consists of a transparent resin and composed of the resin independently, a second area in which there is dissolved in the resin a luminescent substance that generates a second color having a radiation peak wavelength at a wavelength different from a radiation peak wavelength of a luminescent device of the first color, and a third area in which there is dissolved in the resin a luminescent substance that generates a third color having a radiation peak wavelength at a wavelength different from the radiation peak wavelengths of luminescent devices of the first and second colors.
    Type: Grant
    Filed: December 26, 2006
    Date of Patent: March 29, 2011
    Assignee: Showa Denko K.K.
    Inventors: Shuichi Naijo, Koji Tokita
  • Patent number: 7909491
    Abstract: A chain support (10) is provided which includes a substantially planar body (12) which defines a plurality of seats (14) spaced apart in a predetermined configuration, and a plurality of passages (20) from the seats (14) to the edges (18) of the body (12). A plurality of chains (22) may be suspended from the body (12), one from each seat (14), so as to create a curtain (36) of chains (22). The support (10) with chains (22) suspended therefrom may be used as a lampshade (42), curtain, or the like.
    Type: Grant
    Filed: April 7, 2006
    Date of Patent: March 22, 2011
    Inventors: Adam Anthony Hoets, Sian Mary-Lyn Eliot
  • Patent number: 7909487
    Abstract: A retrofit can lighting system is disclosed. The retrofit can lighting system may be configured to be mounted in an opening in a ceiling above a plane of the ceiling, wherein an existing fixture ceiling ring is proximate the opening and also is above the plane of the ceiling. The system may include a lighting can, and a plurality of spring clips configured to couple between the lighting can and the ceiling ring. Each spring clip may include a can engaging portion configured to couple to the lighting can, a retainer clip engaging portion extending outwardly with respect to the can engaging portion, a fixture engaging portion configured to engage a portion of the ceiling ring, wherein the fixture engaging portion is angled upwardly with respect to the retainer clip engaging portion, and a hook portion configured to engage a portion of the ceiling ring, wherein the hook portion extends outwardly and downwardly with respect to the fixture engaging portion.
    Type: Grant
    Filed: March 4, 2010
    Date of Patent: March 22, 2011
    Assignee: Keyser-Group
    Inventors: Patricia Venetucci, Lawrence J Labedz, William Carter
  • Patent number: 7905637
    Abstract: A potted transformer assembly comprises a housing portion to form an exterior transformer housing, a transformer unit dimensioned to fit within the housing portion, the housing portion including a first passage to receive the transformer unit in an operative position therein, the housing portion having an inner surface which is oriented to provide an interior cavity between the transformer unit and the inner surface, the interior cavity being dimensioned to receive a predetermined quantity of a potting compound, the housing portion further including a second passage in fluid communication with the interior cavity, the second passage being dimensioned to receive a portion of the potting compound therein, the second passage being located on the housing portion in such a manner that, following a transformer encapsulation step, the presence of potting compound in the second passage is indicative of the transformer being substantially encapsulated by the potting compound.
    Type: Grant
    Filed: January 29, 2009
    Date of Patent: March 15, 2011
    Assignee: Canlyte Inc.
    Inventors: Giuseppe Caluori, Howard Yaphe
  • Patent number: 7905627
    Abstract: A keypad device for an electronic device includes a substrate, a first light-emitting device coupled to the substrate for generating a first colored light source, a second light-emitting device coupled to the substrate for generating a second colored light source different from the first colored light source, a first transparent board made of a translucent material of a first color for displaying a first symbol, a second transparent board made of a translucent material of a second color, for displaying a second symbol, and a transparent film deployed on the first transparent board and the second transparent board. The first color is a complementary color of the color of the first colored light source, and the second color is a complementary color of the color of the second colored light source.
    Type: Grant
    Filed: January 8, 2008
    Date of Patent: March 15, 2011
    Assignee: Wistron Corporation
    Inventors: Jen-Hsiang Chiang, Hsin-Chuan Hsu
  • Patent number: 7901106
    Abstract: The disclosure in one aspect provides an illuminator that includes a plurality of segmented diodes to generate a plurality of light beams. In another aspect, the illuminator may independently control current to some or all of the diodes.
    Type: Grant
    Filed: December 29, 2006
    Date of Patent: March 8, 2011
    Assignee: Texas Instruments Incorporated
    Inventors: Walter M. Duncan, Michael Mignardi, John David Jackson
  • Patent number: 7901113
    Abstract: The present invention relates to a side illumination lens and a luminescent device using the same, and provides a body, a total reflection surface with a total reflection slope with respect to a central axis of the body, and a linear and/or curved refractive surface(s) formed to extend from a periphery of the total reflection surface; and a luminescent device including the lens. According to the present invention, a lens with total internal reflection surfaces with different slopes, and a linear and/or curved refractive surface(s) allows light emitted forward from a luminescent chip to be guided to a side of the lens. Further, a linear surface(s) formed in a direction perpendicular or parallel to a central axis of a lens and a curved surface are formed on an edge of the lens so that a process of fabricating the lens is facilitated, thereby reducing a defective rate and fabrication costs of the lens.
    Type: Grant
    Filed: March 24, 2010
    Date of Patent: March 8, 2011
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Do-Hyung Kim, Chung-Hoon Lee, Keon-Young Lee, Kwang-Il Park
  • Patent number: 7896524
    Abstract: The invention provides a light irradiation apparatus that can adjust widening/narrowing of a light irradiation area and can guide almost whole of light emitted from an LED to the light irradiation area. The apparatus has an LED 11 and an optical unit 2 for making light for the LED 11 pass through itself and emit from its apical surface 21, and is equipped further with a supporting body 1A for holding the LED on the apical surface and a position adjustment mechanism for adjusting a relative position of the optical unit 2 to the LED 11 along an optical axis C direction.
    Type: Grant
    Filed: May 26, 2006
    Date of Patent: March 1, 2011
    Assignees: CCS, Inc., Mitsubishi Chemical Corporation
    Inventors: Kenji Yoneda, Mitsuru Saito
  • Patent number: 7891854
    Abstract: In a backlight device, among a plurality of light emitting diodes, light amounts thereof are measured in advance, and they are classified as any one of two or more light amount ranks according to the measurement results. In each of an upper region and a lower region of the light emitting diodes that are set on an upper side and lower side of a light guide plate, respectively, the light emitting diodes that are classified as having the same light amount rank are disposed.
    Type: Grant
    Filed: November 30, 2006
    Date of Patent: February 22, 2011
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Tetsuya Hamada
  • Patent number: 7891855
    Abstract: A light guiding structure for connector includes a light-guiding unit having more than one light guiding post, and each of the light guiding posts having a light-input end and a light-output end; and a shielding unit enclosing an outer side of the light guiding posts. When the light guiding structure is mounted on a connector case for guiding light, light beams propagating in different light guiding posts are isolated from one another by the shielding unit. Therefore, light beams can be stably and exactly guided by the light guiding posts without light loss and mutual interference to thereby avoid error determination by a user.
    Type: Grant
    Filed: March 26, 2009
    Date of Patent: February 22, 2011
    Assignee: All Best Electronics Co., Ltd.
    Inventor: Haven Yang
  • Patent number: 7891833
    Abstract: A rechargeable flashlight is also provided. The flashlight includes a housing having a battery compartment and a light source adjacent a first end of the housing. A rechargeable lithium-ion battery provides power for the flashlight. A controller circuit serially connected with the battery is operable to control the flow of electricity to and from the battery. Specifically, the controller circuit is operable to disconnect the lithium-ion battery cell from the light source in response to the charge in the lithium-ion battery depleting below a pre-determined lower threshold. The control circuit is further operable to disconnect the lithium-ion battery cell from electrical connection with the first charging contact when the lithium-ion battery is connected with a battery charger and the charge in the lithium-ion battery reaches a pre-determined upper threshold.
    Type: Grant
    Filed: May 21, 2007
    Date of Patent: February 22, 2011
    Assignee: Streamlight, Inc.
    Inventors: Raymond L Sharrah, Peter J. Ziegenfuss
  • Patent number: 7887216
    Abstract: A lighting system comprises a row of light emitting diodes (“LEDs”) receiving electricity and producing light and heat. The row of LEDs can be located in a channel or a groove of a piece of material, such as an aluminum extrusion or a bent piece of metal. The channel can have an optically reflective lining, for example, providing either diffuse or specular reflection. Accordingly, the channel can reflect light emitted by the LEDs. The piece of material can also include a heat sink for transferring heat from the LEDs to air via convection or air flow. The heat sink can comprise fins or protrusions that facilitate convection.
    Type: Grant
    Filed: March 10, 2008
    Date of Patent: February 15, 2011
    Assignee: Cooper Technologies Company
    Inventor: Ellis W. Patrick
  • Patent number: 7887213
    Abstract: A window light box with blind. A light source within the light box provides light through a front aperture. A blind is mounted to a light box front, and is extendable over the front aperture. The blind and/or light source may be colored; the blind may be opaque, translucent, or transparent. The light source is electrically connected to a power source through a switch, which may be an ON/OFF dimmer switch. An alternate embodiment is disclosed wherein the light source is electrically connected to a power source through a switching receiver, and a remote controls the receiver. A battery back-up is disclosed to power the light source in the event of power source interruption. The light source may be fluorescent, incandescent, serpentine lighting, a Christmas light string, LED, or other appropriate light source.
    Type: Grant
    Filed: April 14, 2009
    Date of Patent: February 15, 2011
    Inventor: Irma Hubbs
  • Patent number: 7883253
    Abstract: A backlight module comprises at least a light-guide plate, a palette device and an LED bar. The palette device comprises a palette and light-guide bar and at least one palette LED. The palette and light-guide bar is disposed at a side end of the light-guide plate and has a light-input surface, a light-output surface corresponding to the light-input surface, a first side, a second side corresponding to the first side, a top, and a bottom corresponding to the top. The palette LED is adjacent to the first side and provides a palette light into the palette and light-guide bar. The LED bar is adjacent to the light-input surface of the palette and light-guide bar. The LED bar emits an incident light, which is through the light-input surface into the palette and light-guide bar, wherein a light mixed by the incident light and the palette light is output through the light-output surface is and the side end into the light-guide plate so as to be a light source of the backlight module.
    Type: Grant
    Filed: November 18, 2008
    Date of Patent: February 8, 2011
    Assignee: Dynascan Technology Corp.
    Inventor: Tsun-I Wang
  • Patent number: 7883251
    Abstract: An automotive headlamp assembly having a closed-loop cooling circuit. The headlamp assembly includes a housing cooperating with a transparent lens cover to define a chamber. At least one light source is located within the chamber. The cooling circuit has at least one cold plate thermally coupled to the light source. A radiator is fluidly coupled to the cold plate by a plurality of tubes. The tubes are oriented at least partially upwardly and configured to circulate a fluid through the cooling circuit as a result of heating and cooling of the fluid therein.
    Type: Grant
    Filed: August 20, 2008
    Date of Patent: February 8, 2011
    Assignee: Visteon Global Technologies, Inc.
    Inventors: Ajmal Imran Ansari, Edwin Mitchell Sayers, III
  • Patent number: 7883257
    Abstract: An optical film and a display device having the same are disclosed. The display device comprises a display panel including a plurality of subpixels and an optical film disposed at one side of the display panel, the optical film includes a base film and a plurality of prisms, wherein a bias angle between a long axis direction of the subpixels and a longitudinal direction of the prisms is substantially 2 to 88 degrees.
    Type: Grant
    Filed: January 10, 2008
    Date of Patent: February 8, 2011
    Assignee: LG Electronics Inc.
    Inventors: Hanbitt Joo, Kwangwon Lee
  • Patent number: 7878669
    Abstract: A knob deco for a laundry machine is provided. The knob deco may include a knob guard in which a dial knob is inserted, and a lamp window main body mounted at a rear surface of the knob guard. Lamp windows may be formed in the knob guard for transmitting light emitted from a rear side of the knob guard to a front side of the knob guard, and lamp window shielding members may be provided at the lamp windows to partially shield light transmitted through the lamp window.
    Type: Grant
    Filed: September 2, 2008
    Date of Patent: February 1, 2011
    Assignee: LG Electrnics Inc.
    Inventors: Ho-Sung Jang, Chang-Woo Son, Gil-Yong Lee, Yong-Min Jeon, Han-Ki Cho
  • Patent number: 7874694
    Abstract: A digital tool with a light display comprises at least one light display assembly. The light display assembly includes four or more light-emitting elements to cooperate with a light-transmitting element. The light display assembly can be the whole or a part of a handle sleeve. Therefore, by cooperating with a compare unit and a control unit, under the predetermined condition, the light-emitting elements can emit light through the light-emitting area synchronously or alternately.
    Type: Grant
    Filed: November 26, 2008
    Date of Patent: January 25, 2011
    Assignee: Eclat-torQ Technology Co., Ltd.
    Inventor: Ming-Hua Li
  • Patent number: 7874701
    Abstract: A lighting apparatus comprises a light panel having a panel frame, and a plurality of LEDs or other light elements secured to the panel frame. Lenses and/or filters are adjusted in distance from the light elements, by for example moving the lenses/filters into different slot positions of the frame, to alter characteristics of the emitted light. Focal lenses, diffusion lenses, and color filters may be used individually or in combination. A compound lens includes lens elements having different characteristics arranged in a pattern. Through groupwise control of the intensity of the light elements, the different characteristics are emphasized or de-emphasized. The light panel may have an integrated battery, and may be mounted on a stand. The panel may be modular, allowing larger panels to be constructed from smaller panels.
    Type: Grant
    Filed: February 18, 2008
    Date of Patent: January 25, 2011
    Assignee: Litepanels, LLC
    Inventors: Rudy G. Pohlert, Pat Grosswendt, Kevin C. Baxter, Ken S. Fisher