Patents Examined by Erin Kryukova
  • Display device
    Patent number: 11347102
    Abstract: A display device includes: a light source; a display panel capable of receiving the light from a first surface side and transmitting the light to a second surface side; and a light guiding member. The display panel is inclined with respect to an orthogonal plane orthogonal to an optical axis of the light. The light guiding member has an output surface framed by an output port of the light and inclined with respect to the orthogonal plane. An inclination direction of the display panel is identical to an inclination direction of the output surface. The light guiding member has such a shape that a distance between inner surfaces of the light guiding member and the optical axis increases toward the first surface side from the light source side, and the inner surfaces opposing each other at positions orthogonal to the optical axis are not uniform in curvature.
    Type: Grant
    Filed: March 2, 2021
    Date of Patent: May 31, 2022
    Assignee: Japan Display Inc.
    Inventor: Masayuki Mifune
  • Vehicle lamp
    Patent number: 11339942
    Abstract: A vehicle lamp includes a light source and a plate-shaped light guide including a first plate surface on which a plurality of reflective elements are formed and a second plate surface. The plate-shaped light guide is configured to totally reflect light from the light source by the plurality of reflective elements. The plurality of reflective elements are arranged in a state of being continuously arranged along a line extending in a direction, and are arranged in a plurality of rows on the line. The plate-shaped light guide is configured to allow the light from the light source to reach a position of the line from a first direction. Each of the reflective elements has a substantially concave curved surface shape, and as compared to reflective elements constituting a first row, reflective elements constituting a second row is formed at a deeper position from the first plate surface.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: May 24, 2022
    Assignee: KOITO MANUFACTURING CO., LTD.
    Inventor: Akihito Horikawa
  • Collimating lens and lighting device
    Patent number: 11326762
    Abstract: A collimating lens (10) is disclosed that is rotationally symmetric around an axis (15). The lens comprises a first body portion (100) comprising an outer surface (110) having at least one recess (140) arranged to receive a plurality of light sources (5, 5?) and an inner surface (120) opposing the outer surface, said inner surface delimiting a cavity (125) and tapering inwardly into the first body portion; and a second body portion (200) extending from the first body portion opposite said cavity and terminating in a light exit window (220), said second body portion having a further outer surface (210) extending between the outer surface of the first body portion and the light exit window and expanding away from the first body portion. Also disclosed is a lighting device that comprises such a collimating lens.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: May 10, 2022
    Assignee: SIGNIFY HOLDING B.V.
    Inventor: Jing Bao
  • Zoom mechanism for a light fixture
    Patent number: 11320117
    Abstract: A light fixture includes a housing, a light source, and a zoom mechanism. The light source is supported within the housing and emits light. The zoom mechanism selectively varies a beam angle of the light emitted from the light fixture and includes a lens and a movable element. The lens is fixed relative to the light source. The movable element is movable relative to the lens between a first position and a second position. The lens reflects a portion of the light emitted by the light source via internal reflection when the movable element is in the first position. The movable element is closer to at least a portion of the lens when the movable element is in the second position to at least partially frustrate the internal reflection.
    Type: Grant
    Filed: April 6, 2021
    Date of Patent: May 3, 2022
    Assignee: Electronic Theatre Controls, Inc.
    Inventor: David Kinzer
  • Direct-type panel lamp with adjustable light emitting function
    Patent number: 11313545
    Abstract: The application discloses a direct-type panel lamp with adjustable light emitting function, which comprises a frame, a diffusion plate, a back plate and at least one light bar; a central area of the back plate is arched to form a chamber for accommodating the light bar; the diffusion plate has a light-transmitting function, which is disposed opposite to the back plate to close the chamber; the frame is formed by connecting a plurality of frame bars, with each frame bar being connected to corresponding edges of the diffusion plate and the back plate; for the same light bar, the LED beads comprise a plurality of first LED beads and a plurality of second LED beads, and wherein the first LED beads and the second LED beads are alternately arranged, and the brightness or color temperature of the first and second LED beads are different.
    Type: Grant
    Filed: February 9, 2021
    Date of Patent: April 26, 2022
    Assignee: CH LIGHTING TECHNOLOGY CO., LTD.
    Inventors: Jiangfeng Jiang, Jizhong Pu
  • Optics for edges of a structure to minimize light leakage
    Patent number: 11300270
    Abstract: The present disclosure is directed to examples of an apparatus. In one embodiment, the apparatus includes a total internal reflection (TIR) lens and a structure coupled to the TIR lens. The structure includes a plurality of support members located around the TIR lens, a top surface, wherein the TIR lens is coupled to the top surface, and an edge to couple the top surface to the plurality of support members, wherein the edge is to redirect light in a direction that is perpendicular to a horizontal plane of the top surface.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: April 12, 2022
    Assignee: Dialight Corporation
    Inventors: Qi Hong, Chakrakodi Vishnu Shastry
  • Display panel, quantum dot LED backlight source, and preparation method thereof
    Patent number: 11281048
    Abstract: A quantum dot light emitting diode (LED) backlight source which includes a light source quantum dot diaphragm, a support diaphragm, and a prism sheet which are disposed sequentially. The light source quantum dot diaphragm includes a flexible printed circuit board, a mini light emitting diode layer, and a quantum dot film layer which are disposed sequentially. The mini light emitting diode layer includes a plurality of mini light emitting diodes spaced apart, the quantum dot film layer and the mini light emitting diode layer are bonded together.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: March 22, 2022
    Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Lianyan Song, Yongyuan Qiu
  • Lens for a notification strobe
    Patent number: 11256077
    Abstract: A notification appliance (10) includes a lighting element (30) and strobe drive electronics (18) mounted on a single printed circuit board (14). A lens (20) is mounted to the printed circuit board (14) over the lighting element (30). The lens (20) includes a cavity (35) disposed over the lighting element (30). The lens (20) is shaped to focus light from the lighting element (30) into a far-field lighting pattern (40) including a visible first arc (42) that subtends approximately a 90° angle in a first plane, a visible second arc (44) that subtends approximately a 180° angle in a second plane, and two visible spots (46), each spot (46) on an opposite side of the first arc (42) from the other. A lens (20) for a notification appliance (10) is also disclosed.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: February 22, 2022
    Assignee: CARRIER CORPORATION
    Inventors: Martin Paul Robotham, Thomas Greenwood
  • Ovular double-ended light emitting diode (LED) bulb
    Patent number: 11255490
    Abstract: An LED light module comprises an emitting portion; at least one LED package; a back cover; and an end cap. The emitting portion defines a first curved surface. The first curved surface extends a first length along a cylindrical axis defined by the LED light module. The back cover defines a second curved surface extending the first length along the cylindrical axis. The first curved surface and the second curved surface define a perimeter of the LED light module. In a cross-section of the LED light module taken in a plane substantially perpendicular to the cylindrical axis, the perimeter is substantially ovular, elliptical and/or tear-drop shaped. The end cap is substantially ovular, elliptical and/or tear-drop shaped, and comprises a coupling element configured to electrically and/or mechanically couple the LED light module to a subsequent LED light module or to a fixture.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: February 22, 2022
    Assignee: Feit Electric Company, Inc.
    Inventors: Gerardo Cisneros, Hoang Pham
  • Light fixture with patch panel
    Patent number: 11242985
    Abstract: A lighting system is provided with a plurality of light fixtures within a room and at least one control system for controlling the plurality of light fixtures within a room. At least one of the light fixtures among the plurality of light fixtures within the room includes a patch panel thereon. The control system is attached to the patch panel on a first side of the patch panel, and a remaining of the plurality of light fixtures in the room are connected to the patch panel on a second side.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: February 8, 2022
    Assignee: Berk-Tek LLC
    Inventor: Paul Michael Good
  • Exterior lighting
    Patent number: 11230225
    Abstract: Light-based devices may be provided that emit light. The light-based devices may be incorporated into systems such as vehicles. The light-based devices may include light sources such as light-emitting diodes and lasers. Mirrors may be used to collimate light from the light sources. Light modulators may be used to pattern light from the light sources. The light sources may include light sources of different colors. Arrays of pixels may be used to provide dynamically varying patterns of emitted light. A light source may produce light that is diffracted by an array of diffractive elements on a window. Mechanical and electrical shutters may obscure light sources, mirrors, and light-emitting components mounted on windows.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: January 25, 2022
    Assignee: Apple Inc.
    Inventors: Thaddeus Stefanov-Wagner, Albert J. Golko, Sawyer I. Cohen, Ibuki Kamei, Ryan J. Garrone, Matthew E. Last, Clarisse Mazuir
  • Vehicular lamp fitting
    Patent number: 11226078
    Abstract: A vehicular lamp fitting comprising a front lens body, a rear lens unit, and a light source that emits light, which passes through the rear lens unit and the front lens body, to form a low beam light distribution pattern, wherein the rear lens unit is a lens unit configured to condense, in a first direction, the light coming from the light source, and includes a first entry surface, and a first exit surface, the front lens body is a lens unit configured to condense, in a second direction, the light coming from the rear lens unit, and includes a second entry surface, and a second exit surface, the front lens body is disposed in an attitude that is inclined, and a curvature of the first exit surface in the longitudinal section or a curvature of the second entry surface in the longitudinal section is different in each longitudinal section.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: January 18, 2022
    Assignee: STANLEY ELECTRIC CO., LTD.
    Inventors: Shota Nishimura, Kazuma Kamioka
  • Emergency light accessory mount for a vehicle
    Patent number: 11220208
    Abstract: An accessory mount mountable to a roof of a vehicle. The accessory mount has a horizontal mounting surface spaced from and above emergency warning lights. Accessories, such as spotlights, may be mounted on the horizontal mounting surfaces. The accessory mount provides a platform above the emergency warning lights allowing unobstructed view of the emergency warning lights without any possible of obstruction by the accessory mounted on the horizontal mounting surface.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: January 11, 2022
    Inventor: Thomas E. Schellens
  • Emergency exit light
    Patent number: 11209149
    Abstract: An emergency lighting unit includes a housing. The housing includes a base having a first portion and a second portion. A lamp assembly is rotatably connected to the housing and positioned in the lower portion. A cover is provided over the lamp assembly.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: December 28, 2021
    Assignee: Hubbell Incorporated
    Inventor: Anthony Brunelli
  • Vehicle capable of projecting light onto road and control method therefor
    Patent number: 11208032
    Abstract: A vehicle projects various types of light beams onto a road using a light-emitting module. The light-emitting module includes: a reflection unit, and a light source unit to emit light to the reflection unit. The reflection unit includes: a first pole magnet and a second pole magnet facing each other while being spaced apart from each other; a plate disposed between the first pole magnet and the second pole magnet, and a wire disposed in a multiple number of turns in one direction along an edge of the plate; and a reflection surface disposed on the upper surface of the plate.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: December 28, 2021
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, KOREA UNIVERSITY RESEARCH & BUSINESS FOUNDATION
    Inventors: Ji Soo Park, Jung Gi Han, Dong Hee Han, Yong Sin Kim
  • Lighting device for vehicles
    Patent number: 11193646
    Abstract: A lighting device for vehicles, in particular a signal light, with a light source for emitting a light beam and an optical unit associated with the light source for producing a predetermined light function, the optical unit having a holographic element and a lens arranged in the main emission direction in front of the holographic element, the holographic element comprising such a diffraction structure that the light beam emitted from the light source onto the holographic element is varied according to a predetermined illumination pattern such that the holographic light beam lights an illumination surface of the lens to generate the light function.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: December 7, 2021
    Assignees: Hella KGaA Hueck & Co., Covestro Deutschland AG
    Inventors: Martin Muegge, Carsten Hohmann, Rainer Hagen, Guenther Walze, Thomas Faecke
  • Headlight and operating method
    Patent number: 11187392
    Abstract: A headlamp includes a first semiconductor chip and a second semiconductor chip for generating light. The first and second semiconductor chips each include several pixels. A first optics is arranged to direct light from the first semiconductor chip with a first magnification into a base region. Via a second optics, light of the second semiconductor chip is directed into a bright region with a second magnification. The second magnification is between 0.3 times and 0.7 times the first magnification inclusive, so that the bright region is smaller than the base region. The bright region is within the base region.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: November 30, 2021
    Assignee: OSRAM OLED GmbH
    Inventors: Stefan Grötsch, Joachim Reill
  • Illumination device
    Patent number: 11179030
    Abstract: An illumination device includes a laser light source that emits laser light, a wavelength converter that converts the laser light to converted light of a different wavelength, and a first light guide that mixes the converted light while guiding, and a second light guide that guides the converted light mixed by the first light guide.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: November 23, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yudai Shibata, Yoshiyuki Takahira, Shintaro Hayashi
  • Integrated ceiling device with mechanical arrangement for a light source
    Patent number: 11172626
    Abstract: An integrated ceiling device (80, 120) includes an electronics assembly (56) and a mechanical arrangement (20). The mechanical arrangement includes a housing (22), a heat dissipating structure (24), and support arms (26). The housing is configured to retain the electronics assembly. The heat dissipating structure includes a lamp seat (50) for receiving a light source (54), and a central opening (34) surrounded by fins (36). The support arms extend between and interconnect the housing with the heat dissipating structure. The housing is positioned within the central opening and is spaced apart from the fins of the heat dissipating structure to enable a free flow of air in an air gap (42) between the housing (22) and the structure (24). The electronics assembly may include a plurality of elements (160, 162, 164, 166) retained in the housing which are spaced apart from the heat dissipating structure.
    Type: Grant
    Filed: October 5, 2020
    Date of Patent: November 16, 2021
    Assignee: LIGHTING DEFENSE GROUP, LLC
    Inventor: Daniel S. Spiro
  • Integrated ceiling device with mechanical arrangement for a light source
    Patent number: 11172627
    Abstract: An integrated ceiling device includes an electronics housing configured to retain an electronics assembly, a heat sink defining a central through opening, the electronics housing extends above the heat sink and is substantially aligned with the central through opening along a vertical axis, and the electronics housing is coupled to the heat sink to define a through air gap that extends between the electronics housing and the heat sink such that ambient air is free to flow through the through air gap between the electronics housing and the heat sink to cool both the electronics housing and the heat sink, and a light source coupled to a bottom surface of the heat sink and oriented to emit light in a direction away from the central through opening.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: November 16, 2021
    Assignee: LIGHTING DEFENSE GROUP, LLC
    Inventor: Daniel S. Spiro