Patents Examined by Mary Ellen Bowman
  • Patent number: 11450786
    Abstract: Lighting module disclosed in an embodiment of the invention, a substrate; a plurality of light emitting devices disposed on the substrate; a first reflective layer disposed on the substrate; a resin layer disposed on the first reflective layer and the light emitting device; and a second reflective layer disposed on the resin layer, wherein the resin layer is a front side surface on which light generated from the plurality of light emitting devices is emitted, a rear side surface facing the front side surface, and first and second side surfaces connecting the front side surface and the rear side surface with each other.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: September 20, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Se Eun Kang, Kwang Hyun Ko, Moo Ryong Park
  • Patent number: 11448390
    Abstract: A waterproof light bulb assembly implements a plurality of light emitting diodes (LEDs) for use in light fixture in an outdoor or wet environment. The light bulb assembly includes a plastic bulb shell which used a threaded portion to mate to a bulb cap. The bulb cap includes a passage to receive a light emitting assembly having a direct current (DC) connector. The light emitting assembly includes the plurality of LEDs and a printed circuit board. A switching circuit regulates current and heat emitted by the plurality of LEDs. The light bulb assembly also includes a socket to receive the plastic bulb shell and bulb cap.
    Type: Grant
    Filed: February 18, 2021
    Date of Patent: September 20, 2022
    Inventor: Steven James Selak
  • Patent number: 11448814
    Abstract: An optical system comprises a turning film and a lenticular diffuser. The lenticular diffuser comprises a structured surface comprising a plurality of microstructures comprises a plurality of lenticular prisms separated by substantially flat land areas, the lenticular prisms having a rounded tip and two sides comprising a linear base section and a linear tip section connected by a polynomial blend section.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: September 20, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: Robert M. Emmons, Kenneth A. Epstein, Nicholas A. Johnson
  • Patent number: 11435037
    Abstract: A device or system includes a light source, an optical waveguide, and a light director. The light source emits illumination light. The optical waveguide includes a light input coupler. The light director receive the illumination light and generates shaped light. The light director adjusts the tilt angle and/or the divergence angle of the illumination light.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: September 6, 2022
    Assignee: Meta Platforms Technologies, LLC
    Inventors: Guohua Wei, Maik Andre Scheller, Karol Constantine Hatzilias, Christopher Yuan-Ting Liao, Qi Zhang, Joseph S. Corry
  • Patent number: 11428858
    Abstract: An optical element includes a substrate, and a multilayer film provided on the substrate. The multilayer film has an average transmittance of 75% or higher for light having a wavelength of 470 nm to 630 nm incident at an incident angle of 0° and a transmittance of 10% or lower for light having a wavelength of 1550 nm incident at an incident angle of 0°. The multilayer film includes a layer made of a first material and a layer made of a second material alternately layered, and a final layer made of a third material disposed on an outermost side, and a predetermined condition is satisfied.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: August 30, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Kazue Uchida
  • Patent number: 11421861
    Abstract: A light source module includes a light-emitting device having an upper surface and a lower surface and including: at least one light-emitting element and a plurality of conductive regions on the upper surface of the light-emitting device; a mounting substrate having an upper surface on which a lower surface side of the light-emitting device is located, the mounting substrate including conductive patterns on the upper surface of the mounting substrate, each conductive pattern including a device-side connecting portion and an external side connecting portion; and a plurality of conductive members each having a first end bonded to a respective one of the device-side connecting portion and a second end opposite to the first end, the second end being in contact with a respective one of the conductive region by elasticity to electrically connect the respective one of the conductive regions and a respective one of the conductive patterns.
    Type: Grant
    Filed: May 24, 2020
    Date of Patent: August 23, 2022
    Assignee: NICHIA CORPORATION
    Inventor: Tomohiko Hatano
  • Patent number: 11415741
    Abstract: A surface light source includes: a light guide plate having an upper surface and a lower surface located opposite the upper surface, and comprising at least one through hole extending from the upper surface to the lower surface; a wiring substrate located on a lower surface side of the light guide plate and comprising a wiring layer; and at least one light source comprising a light-emitting element electrically connected to the wiring layer of the wiring substrate. The light source is located inside the through hole. The upper surface of the light guide plate has a first region including a plurality of protruding portions or depressed portions. In a plan view, a proportion of an area of the protruding portions or depressed portions per unit area of the first region increases among concentric parts of the first region in the direction away from the light source.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: August 16, 2022
    Assignee: NICHIA CORPORATION
    Inventors: Ryohei Yamashita, Toshinobu Katsumata
  • Patent number: 11411153
    Abstract: An LED device includes a multi-sided heat spreader element with a longitudinal multi-sided wall at least partly enclosing an internal space, with a plurality of LEDs mounted to the outer surface the heat spreader element, and a flow space for a cooling medium in the internal space. The tubular heat spreader element has at least one layer of a thermally conductive metal which is bendable from a flat shape to the multi-sided shape. The multi-sided shape may be tubular with a smoothly curved or multi-faceted polygonal wall. The wall of the LED device may incorporate two-phase cooling elements such as vapor chambers to maintain the LEDs at a constant temperature, and may include a temperature-controlled fan unit to control the LED temperature, and also control the wavelength and frequency of light emitted by the LEDs. A method for manufacturing the LED device is also disclosed.
    Type: Grant
    Filed: July 9, 2020
    Date of Patent: August 9, 2022
    Assignee: Dana Canada Corporation
    Inventors: Doug Vanderwees, James R. Seager, Ihab Edward Gerges
  • Patent number: 11402562
    Abstract: A method of making an illumination system with enhanced light utilization using an optical waveguide and a linear array of discrete side-emitting light emitting diode (LED) packages which provide a light source. The method includes providing an optical waveguide formed from a thin and flexible light transmissive sheet having a light input edge, a patterned light extraction area located at a distance from the light input edge, and a light mixing area located between the light input edge and the light extraction area. The LEDs are arranged on a flexible printed circuit board (PCB) which is positioned parallel to the light transmissive sheet and has a substantial portion of its area disposed in a space between the light input edge and an opposite edge.
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: August 2, 2022
    Assignee: S.V.V. TECHNOLOGY INNOVATIONS, INC.
    Inventor: Sergiy Vasylyev
  • Patent number: 11402568
    Abstract: A light emitting device includes a light source, a light guide member, and a defining member. The light source is configured to emit light. The light guide member is configured to guide the light and having a light incident end surface on which the light is to be incident. The defining member is arranged between the light source and the light guide member to define a distance between the light source and the light incident end surface of the light guide member. The defining member includes a light passage member configured to allow the light to pass between the light source and the light incident end surface, and a light transmission member configured to transmit the light between the light passage member and the light incident end surface. The light source is spaced apart from the light transmission member.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: August 2, 2022
    Assignee: NICHIA CORPORATION
    Inventor: Noriaki Hiraide
  • Patent number: 11404609
    Abstract: A light-emitting module includes a light-shielding sheet, a light guide plate, a light barrier, a circuit board, and first and second light-emitting elements. The light-shielding sheet includes a first pattern area and a second pattern area. The light guide plate is disposed under the light-shielding sheet and has a microstructure disposed corresponding to the second pattern area. The light barrier is disposed under the light guide plate and has first and second holes. The circuit board is disposed under the light barrier. The first light-emitting element is disposed on the circuit board, enters the first hole, and is configured to emit light toward a bottom surface of the light guide plate. The second light-emitting element is disposed on the circuit board, passes through the second hole, and is configured to emit light toward a side surface of the light guide plate.
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: August 2, 2022
    Assignee: Chicony Power Technology Co., Ltd.
    Inventors: Hsuan-Wei Ho, Chen-Hao Chiu
  • Patent number: 11397293
    Abstract: A light transmitting panel includes a lighting device and a light guide layer. The lighting device emits an input light. The light guide layer is formed from a phase separated glass material that includes a first material phase and a second material phase, wherein the first material phase functions to guide the input light along the light guide layer and the second material phase functions to scatter the input light so that at least part of the input light is directed out of the light guide layer as an output light.
    Type: Grant
    Filed: July 10, 2021
    Date of Patent: July 26, 2022
    Assignee: Apple Inc.
    Inventors: Peter F. Masschelein, Clarisse Mazuir, Yuan Chen, David E. Kingman, Lai Wang
  • Patent number: 11396995
    Abstract: The back plate has four lateral walls and a bottom plate. A back side of the bottom plate includes multiple sets of folding hooks. Each set corresponds a different installation platform. One of the multiple sets of folding hooks is folded to be used for hooking to a corresponding installation platform. The light source module has multiple LED modules disposed on the bottom plate. Each LED module has a LED device and a lens. The lens diffuses a light of the LED device to be evenly emitted from the lens and broadening an output angle of the light via the lens. The diffusion plate with a peripheral edge is fixed to the four lateral walls of the back plate. The driver cover is attached to an external side of one of the four walls of the back plate. The driver cover defines a container cavity for concealing the driver module.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: July 26, 2022
    Assignee: XIAMEN LEEDARSON LIGHTING CO., LTD
    Inventors: Tong Luo, Zhiyong Jiang
  • Patent number: 11398592
    Abstract: A method for manufacturing a light emitting module includes: providing light emitting devices each including a light emitting element having an upper surface, a lateral surface, and an electrode positioned on the upper surface, a first light reflective member arranged on the lateral surface of the light emitting element, and a metal film formed on upper surfaces of the electrode and the first light reflective member; placing the light emitting devices on a light guide plate with gaps between the light emitting devices, with the metal films of the light emitting devices facing upward; forming masks respectively covering the metal films; forming a second light reflective member in the gaps between the light emitting devices on the light guide plate; removing the masks; and forming, on the light emitting devices and on the second light reflective member, wiring segments that connect to the metal films.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: July 26, 2022
    Assignee: NICHIA CORPORATION
    Inventors: Koji Taguchi, Masaaki Katsumata
  • Patent number: 11391880
    Abstract: The present invention is directed to an optical member including: a first layer that includes a first region having a refractive index n1 and a second region having a refractive index n3; and a second layer disposed on a first main surface of the first layer so as to be in contact with the first region and the second region, the second layer having a refractive index n2. The first layer includes a plurality of said second regions adjoining the first region along a planar direction of the first layer; the plurality of second regions constitute a geometric pattern; and n1 to n3 satisfy the relationship n1<n3<n2. When an optical member according to the present invention is integrated with a lightguide in use, excellent light extraction function is exhibited and leakage of light due to light scattering is suppressed, while attaining good mechanical strength at the same time.
    Type: Grant
    Filed: August 12, 2021
    Date of Patent: July 19, 2022
    Assignee: NITTO DENKO CORPORATION
    Inventors: Kari Rinko, Kozo Nakamura, Daisuke Hattori
  • Patent number: 11378259
    Abstract: A light-emitting module includes a first mounting board which has a first surface, a second surface opposite to the first surface, and a recess on the first surface. An opening passes through the first mounting board from a bottom surface of the recess to the second surface. A second mounting board has a mounting surface and a light-emitting element surface opposite to the mounting surface and is provided in the recess such that the light-emitting element surface faces the bottom surface of the recess. A light-emitting element is provided on the light-emitting element surface and configured to emit light through the opening. An elastic cushion is provided between the bottom surface and the light-emitting element surface. The second mounting board projects from the first surface of the first mounting board when a force pressing the second mounting board toward the bottom surface of the recess is not applied.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: July 5, 2022
    Assignee: NICHIA CORPORATION
    Inventors: Yoshiyuki Kageyama, Kimihiro Miyamoto, Takashi Tani
  • Patent number: 11378734
    Abstract: An indicator module is provided, including a device housing, a circuit board, a plurality of light sources, a dividing structure, and a homogenizing plate. The device housing includes a transparent window. The circuit board is disposed in the device housing. The light sources are disposed on the circuit board, wherein each light source is adapted to provide a light beam. The dividing structure is disposed in the device housing, wherein the dividing structure defines a plurality of divided spaces, and the divided spaces respectively correspond to the light sources. The homogenizing plate is disposed in the device housing. The homogenizing plate corresponds to the divided spaces, wherein an air gap is formed between the transparent window and the homogenizing plate. The light beam enters the divided space from the light source, passes through the homogenizing plate and the air gap, and is emitted through the transparent window.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: July 5, 2022
    Assignee: WISTRON NEWEB CORP.
    Inventors: Yan-Da Chen, Ying-Yen Lu, Tzu-Heng Huang, Jun-Wei Wang
  • Patent number: 11371689
    Abstract: The luminaire according to the invention comprises an inner space that is separated into a first section and a second section by a separating wall. While the first section is free and comprises at least one light source, an operating circuit for the light source and/or other components that form potential ignition sources and/or other components that may not be considered as ignition sources are arranged in the second section. The second section is provided with an open pored fill material. The separating wall comprises at least one opening that allows a flow connection between the two sections. The section of the inner space provided with fill material serves as pressure relief volume for the first section, in which the light source is arranged. The fill material can fill the section completely or partly.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: June 28, 2022
    Assignee: R. STAHL SCHALTGERÄTE GMBH
    Inventor: Klaus Rössler
  • Patent number: 11363900
    Abstract: A reconfigurable lighted post (e.g., mailbox), including a post, and first and second dual channel members attached to the post. The dual channel members include dual channels, where the first channel of each houses a strip of LEDs, and the second channel defines a channel into which an insert to be back or trans-illuminated can be inserted. Both dual channel members are attached to the post so that the first channels housing the strips of LEDs are positioned towards the post, while the second channels are positioned away from the post. The insert to be illuminated is receivable between the second channels (i.e., that face one another). The insert may include a house address number, or other characters cut-out or otherwise formed into the insert, so that light from the LED strips back or trans-illuminates the insert when received between the facing second channels. Deck rail lighting is also disclosed.
    Type: Grant
    Filed: January 7, 2021
    Date of Patent: June 21, 2022
    Inventor: Brody M. O'Connor
  • Patent number: 11366262
    Abstract: A lighting device includes light sources and a light guide plate. The light guide plate includes a base portion and a light collecting portion. The base portion includes a light entering surface and a light exiting surface. The light collecting portion protrudes from the light exiting surface. The light collecting portion includes light collecting sections elongated in a first direction parallel to a normal direction to the light entering surface and arranged in a second direction perpendicular to the first direction. The light collecting sections perform linearity adjustment to rays of light so that the rays of light travel along the first direction. The light collecting sections include first light collecting regions and second light collecting regions. The second light collecting regions perform the linearity adjustment at a degree greater than a degree of the linearity adjustment by the first light collecting regions.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: June 21, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Shugo Yagi, Yuuichi Kanbayashi, Satoshi Tsubooka