With Modifier Patents (Class 362/235)
  • Patent number: 12117644
    Abstract: A light source module includes a light-emitting device, a light guide pipe, a wave plate, and a polarizer. The light-emitting device emits a beam. The light guide pipe includes a recessed curved surface, an output surface, a first convex surface, and a second convex surface. The recessed curved surface faces the light-emitting device. The output surface is opposite to the recessed curved surface. The first convex surface connects the recessed curved surface with the output surface. The second convex surface connects the recessed curved surface with the output surface and is opposite to the first convex surface, wherein the beam enters the light guide pipe through the recessed curved surface, and leaves the light guide pipe through the output surface. The wave plate is disposed on a path of the beam from the output surface. The polarizer is disposed on a path of the beam from the wave plate.
    Type: Grant
    Filed: March 19, 2024
    Date of Patent: October 15, 2024
    Assignee: Himax Display, Inc.
    Inventors: Yuet-Wing Li, Chi-Wen Lin, Kuan-Yu Chen
  • Patent number: 12117141
    Abstract: A LED downlight, including a lamp housing, a light source plate, and a mode adjustment device; the lamp housing includes a back cover and a surface ring, and the surface ring divides a holding space of the back cover into at least two independent cavities; the light source plate includes at least two groups of LED light sources with different color temperatures, each group of which is arranged in one of the at least two independent cavities; the mode adjustment device includes an adjustment switch and a driver arranged independently of the lamp housing, and the adjustment switch and the driver are connected in series before being electrically connected with the LED light sources. In this LED downlight design, the light sources housed in the main and secondary cavities operate independently without any interference. They can emit light either individually or in unison, offering a variety of lighting modes.
    Type: Grant
    Filed: February 7, 2024
    Date of Patent: October 15, 2024
    Assignee: JOININ GLOBAL PTE. LTD.
    Inventor: Hongbing Zheng
  • Patent number: 12104755
    Abstract: LED arrays comprise patterned reflective grids that enhance the contrast ratio between adjacent pixels or adjacent groups of pixels in the array. The pattern on the reflective grid may also improve adhesion between the reflective grid and one or more layers of material disposed on and attached to the reflective grid. The reflective grid may be formed, for example, as a reflective metal grid, a grid of dielectric reflectors, or a grid of distributed Bragg reflectors (DBRs). If formed as a metal grid, the reflective grid may provide electrical contact to one side of the LED diode junctions. This specification also discloses fabrication processes for such LED arrays.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: October 1, 2024
    Assignee: Lumileds LLC
    Inventors: Isaac Wildeson, Hossein Lotfi, Toni Lopez, Oleg Borisovich Shchekin
  • Patent number: 12100692
    Abstract: Provided are a display panel and a preparation method of the display panel. The display panel includes a first substrate and a second substrate which are disposed opposite to each other, a plurality of light-emitting elements arranged between the first substrate and the second substrate and a plurality of auxiliary structures arranged between the first substrate and the second substrate; where the plurality of auxiliary structures surround the plurality of light-emitting elements and each auxiliary structure is provided with a notch structure on a side of the each auxiliary structure close to a respective one of the plurality of light-emitting elements and on a side of the each auxiliary structure close to a light-emitting surface of the display panel.
    Type: Grant
    Filed: September 20, 2021
    Date of Patent: September 24, 2024
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Quanpeng Yu, Yang Zeng
  • Patent number: 12085270
    Abstract: Provided is an illumination apparatus capable of forming ring-shaped irradiation light by using a simple configuration. Also provided is an illumination apparatus capable of freely changing a shape of the ring-shaped irradiation light. In order to achieve these objects, the present invention has the following means. That is, the illumination apparatus includes a first reflector having a first hole where a light source is arranged, a second hole that emits light, and a reflecting curved surface that connects the first hole and the second hole with each other, a light shield arranged at an area including a center of the second hole as seen in plan view, an opening portion formed in a ring-shaped manner between an inner edge of the second hole and an outer edge of the light shield, and a liquid crystal lens arranged so as to cover the opening portion.
    Type: Grant
    Filed: September 25, 2023
    Date of Patent: September 10, 2024
    Assignee: Japan Display Inc.
    Inventors: Makoto Hasegawa, Masafumi Okada
  • Patent number: 12066713
    Abstract: A display apparatus device including a panel substrate including a circuit, and a light module including light sources each including a light emitter, a connection line, a light transmission layer on the light emitter, and a light block layer on the light transmission layer, in which the light sources includes first to fourth light sources, a transmission layer of the first light source includes a first converter, a transmission layer of the fourth light source includes a second converter, the first converter includes a wavelength converter to convert a first primary light of the first light source into a red color range, the second converter converts a fourth primary light of the fourth light source into a white light, and a peak wavelength of a second primary light of the second light source is different from that of a third primary light of the third light source.
    Type: Grant
    Filed: October 23, 2023
    Date of Patent: August 20, 2024
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Motonobu Takeya, Young Hyun Kim
  • Patent number: 12060985
    Abstract: A support for LED neon lamps consists of a straight, elongated, malleable metal, e.g. aluminum, channel. The channel has a bottom member extending the length of the channel, and a plurality of adjacently aligned side wall members. A slotted opening is located between each of the wall members, which are each interconnected by a thin bridge section located above each of the slotted openings. By this design, the channel is capable of being bent at at least one of the plurality of slotted openings. The channel's structural integrity remains in tact, regardless of how it is bent after the bridge section is cut. An elongated lamp which is mounted within the channel, bends along with the channel at the bended slotted opening or openings, beneath the severed bridge section or sections.
    Type: Grant
    Filed: January 23, 2024
    Date of Patent: August 13, 2024
    Inventor: Sikai Chen
  • Patent number: 12044374
    Abstract: A light source device includes: a plurality of light source parts configured to emit light, in which each of the light source parts includes a light-emitting element and a light guiding member, the plurality of light source parts are disposed in a circular, planar-shaped placement region and are arranged in (i) a combination of at least a rectangular grid and a triangular grid or (ii) a concentric circular pattern, and the plurality of light source parts are configured to emit the light in a matrix pattern in an irradiated region.
    Type: Grant
    Filed: March 23, 2023
    Date of Patent: July 23, 2024
    Assignee: NICHIA CORPORATION
    Inventor: Tsuyoshi Okahisa
  • Patent number: 12031707
    Abstract: Disclosed is a night downlight, including a plastic case, a first lamp bead, a second lamp bead and a light guide ring. One end of the plastic case is provided with a light outlet, and the bottom of the plastic case is provided with the first lamp bead and the second lamp bead, the first lamp bead is arranged at the center of the bottom of the plastic case, the light guide ring includes a light guide inner ring and a light guide surface ring, the light guide inner ring is sleeved in the plastic case, one end of the light guide inner ring abuts against the second lamp bead, and the light guide surface ring is connected with the light guide inner ring and protrudes from the light outlet. The light guide area of the night downlight is larger, which can meet the needs of night lighting.
    Type: Grant
    Filed: June 27, 2023
    Date of Patent: July 9, 2024
    Assignee: Xiamen Topstar Lighting Co., Ltd.
    Inventors: Jiajie Lai, Yongjie Wu, Xibin Lin
  • Patent number: 12027654
    Abstract: A unit pixel includes a transparent substrate having an upper surface and a lower surface, a plurality of light emitting devices arranged over the upper surface of the transparent substrate, and a reflector disposed between the light emitting devices and the transparent substrate. Light emitted from the light emitting devices is configured to exit to the outside through the upper and lower surfaces of the transparent substrate, and the reflector is configured to reflect light proceeding to the upper surface of the transparent substrate from the inside of the transparent substrate.
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: July 2, 2024
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Namgoo Cha, Sangmin Kim, Yeonkyu Park
  • Patent number: 12007646
    Abstract: A display device includes a first light-emitting module and a second light-emitting module. Each light-emitting module has a substrate, a plurality of LED dies arranged on the substrate, a reflective layer on the substrate, and a light-transmissive layer. The light-transmissive layer covers the substrate, the plurality of LED dies, and the reflective layer. Both the light-transmissive layer of the first module and the light-transmissive layer of the second module have rough uppermost surfaces. The first light-emitting module has a first reflectivity, the second light-emitting module has a second reflectivity, and a standard deviation between the first reflectivity and the second reflectivity is not greater than 0.5.
    Type: Grant
    Filed: November 17, 2022
    Date of Patent: June 11, 2024
    Assignees: EPISTAR CORPORATION, YENRICH TECHNOLOGY CORPORATION
    Inventors: Chong-Yu Wang, Ching-Tai Cheng, Wei-Shan Hu
  • Patent number: 11983350
    Abstract: A display device comprises first and second pixels, a light-emitting layer, color conversion layers, and color filter layers, the light-emitting layer comprising first and second light-emitting elements in the first and second pixels, wherein the color conversion layers comprise first and second color conversion layers in the first and second pixels, the color filter layers comprise first and second color filter layers in the first and second pixels, the first and second light-emitting elements emit first light having a central wavelength range of a first wavelength, the first and second color conversion layers contain color conversion particles converting the first light into second light having a central wavelength range of a second wavelength longer than the first wavelength, the first color filter layer transmits the first light and blocks the second light, and the second color filter layer transmits the second light and blocks transmission of the first light.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Hyuk Kang, Hyun Min Cho, Dae Hyun Kim, Hyun Deok Im
  • Patent number: 11984435
    Abstract: A multi-pixel display device with an integrated circuit, a plurality of light-emitting semiconductor chips disposed on the integrated circuit, a display area having a plurality of pixels, each of the light-emitting semiconductor chips being associated with one of the pixels, a light-directing element disposed between the plurality of light-emitting semiconductor chips and the display area and adapted to direct the light of each light-emitting semiconductor chip from the plurality of light-emitting semiconductor chips to its associated pixel.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: May 14, 2024
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Thomas Schwarz, Frank Singer
  • Patent number: 11984537
    Abstract: A display device includes a substrate; a first circuit part and a second circuit part on the substrate and spaced from each other in a first direction; and an emission part between the first circuit part and the second circuit part, the emission part being located between the first circuit part and the second circuit part in a direction parallel to the substrate, wherein the first circuit part includes a first electrode extending to the emission part, wherein the second circuit part includes a second electrode extending to the emission part, and wherein the emission part includes a light emitting element located between the first electrode and the second electrode.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Su Bin Bae, Yun Jong Yeo, Jung Yun Jo
  • Patent number: 11906129
    Abstract: A circular recessed channel lighting system having a closed-loop channel section with a U-shaped channel having two parallel sides, first and second flange elements, each flange element extending from an end of one of the parallel sides of the U-shaped channel, an LED positioned within the U-shaped channel, and a flexible lens positioned over an open end of the U-shaped channel to allow light from the LED outward. The flange elements include through holes for adhesion of a building material (e.g., joint compound) and the U-shaped channel has a depth not greater than ? inches (0.625 inches).
    Type: Grant
    Filed: August 30, 2022
    Date of Patent: February 20, 2024
    Assignee: PureEdge Lighting LLC
    Inventor: Gregory Kay
  • Patent number: 11879600
    Abstract: It is an object of the invention to provide an improved LED filament lamp (10), the LED filament lamp (10) comprising: a transparent envelope (11) provided with a transparent optical structure (12); at least one LED filament (14) enclosed by the transparent envelope (11); wherein the transparent optical structure (12) comprises a plurality of individually spaced prismatic grooves (17) and/or ridges that are at least partly aligned along a projection of the at least one LED filament (14) on the transparent envelope (11); wherein each prismatic groove (17) and/or ridge of the plurality of individually spaced prismatic grooves (17) and/or ridges comprises a refractive facet (171) oriented at a wedge angle (172) between 5 and 50 degrees with a tangent of the envelope (11) at the location of the respective prismatic groove (17) and/or ridge.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: January 23, 2024
    Assignee: SIGNIFY HOLDING B.V.
    Inventors: Johannes Petrus Maria Ansems, Michel Cornelis Josephus Marie Vissenberg
  • Patent number: 11882631
    Abstract: A light source driver for a light source of a luminaire. The disclosure proposes to monitor a parameter, responsive to or a cause of a temperature change in a resistive element to facilitate determination of whether the light source driver is compatible with an AC supply. The resistive element in connected in series between the rectifying arrangement, of the light source driver, and the energy storage capacitor for storing charge that powers the light source.
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: January 23, 2024
    Assignee: SIGNIFY HOLDING B.V.
    Inventors: Theo Gerrit Zijlman, Henricus Marius Joseph Maria Kahlman
  • Patent number: 11879608
    Abstract: Provided are an automotive lamp optical element, an automotive lamp module and a vehicle. The automotive lamp optical element includes a light-incident portion, a transmission portion and a light-emitting portion connected in sequence. The light-incident portion is provided with at least one light-incident structure configured to converge light. An area of a cross section of the transmission portion gradually increases in a light transmission direction. A light-emitting convex surface is formed on one end of the light-emitting portion facing away from the transmission portion. The automotive lamp module includes the above automotive lamp optical element, and further includes at least one light source. The at least one light source is disposed in one-to-one correspondence with the at least one light-incident structure.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: January 23, 2024
    Assignee: HASCO VISION TECHNOLOGY CO., LTD.
    Inventors: Dapan Zhang, Zhiping Qiu, He Zhu, Wenhui Sang, Rui Nie
  • Patent number: 11873968
    Abstract: A light fixture includes a housing having an upper wall, a first side wall, and a second side wall at least partially defining an interior and a bottom opening. A mounting tray is positioned in the interior and releasably connected to the housing. A first light emitter is connected to the mounting tray and has a first light output. A second light emitter is connected to the mounting tray and has a second light output. A third light emitter is connected to the mounting tray and has a third light output. A lens is connected to the housing. The light fixture can be optionally connected to a secondary light fixture and used to control light outputs from both fixtures.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: January 16, 2024
    Assignee: HLI SOLUTIONS, INC.
    Inventor: Gaurav Amin
  • Patent number: 11874560
    Abstract: A backlight for providing uniform illumination to a display panel includes a plurality of discrete light sources. A multilayer polymeric partial reflector is disposed on the plurality of discrete light sources. For substantially normally incident light the partial reflector includes a reflection band includes a blue wavelength, a reflectance greater than about 80% at the blue wavelength, a left band edge between about 370 nm to about 420 nm, a right band edge between about 500 nm and 600 nm, and an average transmission between about 20% to about 80% for visible wavelengths greater than the right band edge. A reflective polarizer is disposed on the partial reflector. For substantially normally incident light having the blue wavelength, the reflective polarizer reflects at least 60% of the light having the first polarization state and transmits at least 60% of the light having the second polarization state.
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: January 16, 2024
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventor: Gary T. Boyd
  • Patent number: 11865784
    Abstract: Disclosed are light-curing printer display devices, 3-dimensional (3D) printers, control methods and devices, and electronic devices. In some embodiments, the light-curing printer display device include a screen, a light source assembly, a shielding plate, and a controller. In other embodiments, the light source assembly is arranged on a back side of the screen and the light source assembly includes multiple Light Emitting Diode (LED) light sources independent of each other. The shielding plate is arranged between the screen and the light source assembly and is provided with multiple light holes with the same number as that of the multiple LED light sources. The multiple light holes correspond to the multiple LED light sources one by one. The controller is electrically connected with the multiple LED light sources and is configured to control at least one LED light source to emit light.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: January 9, 2024
    Assignee: SHANGHAI FUSION TECH CO., LTD.
    Inventors: Jianzhe Li, Kaijian Ni, Zongmou Yang
  • Patent number: 11835201
    Abstract: An optical lens (10) capable of facilitating efficient light distribution control with a simple configuration is provided. It comprises a plurality of light distribution control parts (11) continuing in a bilateral direction such that each of the light distribution control parts corresponds to each column of LEDs (22), the light distribution control parts defining optical paths of light from the LEDs (22) on a column basis, one light distribution control part (11) discharges light entering from the LEDs (22) in a column corresponding thereto in one direction of the bilateral direction that intersects the optical axes, and a further light distribution control part (11) discharges light entering from the LEDs (22) in a column corresponding thereto in a further direction of the bilateral direction that intersects the optical axes.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: December 5, 2023
    Assignee: KOITO ELECTRIC INDUSTRIES, LTD.
    Inventors: Yasuyo Kojima, Youmei Kaminaga
  • Patent number: 11828976
    Abstract: The present disclosure provides a backlight module, including a substrate, a plurality of light-emitting elements, a protective layer and a plurality of first dots. These light-emitting elements are disposed on the substrate. The protective layer is disposed on the substrate and the light-emitting elements, the protective layer has an upper surface and a lower surface opposite to the upper surface, and the upper surface of the protective layer is flat. The first dots are disposed on the upper surface of the protective layer and cover the light-emitting elements. A vertical projection area of each of the first dots on the substrate is larger than a vertical projection area of each of the light-emitting elements on the substrate, so as to reduce the thickness of the backlight module and reduce the dots alignment process.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: November 28, 2023
    Assignee: AU OPTRONICS CORPORATION
    Inventor: Ming-Chun Hsu
  • Patent number: 11829030
    Abstract: A backlight module and a display device are provided, and the backlight module includes: a substrate; a plurality of light-emitting elements arranged in an array on the substrate; and a reflective supporting structure on the substrate, wherein the reflective supporting structure has a plurality of openings, the plurality of openings correspond to the plurality of light-emitting elements one-to-one, and each of the plurality of light-emitting elements is accommodated in one of the plurality of openings, wherein the reflective supporting structure is configured to reflect light from the plurality of light-emitting elements, so that an angle between an exit direction of the reflected light and a first direction perpendicular to the substrate is less than a predetermined angle.
    Type: Grant
    Filed: October 16, 2020
    Date of Patent: November 28, 2023
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Honghao Yu, Lili Jia, Donglei Li, Ying Chen, Hui Liu, Jie Gao, Jiaxin Li
  • Patent number: 11820074
    Abstract: Techniques for illuminating a photocurable material within a build area of an additive fabrication device are described. According to some aspects, a light source is provided that can be moved alongside a build area, allowing light to be directed to any desired position within the build area by moving the light source. This configuration may also allow the distance from the light source to the build area to be substantially the same for each position across the build area by moving the light source whilst maintaining a fixed distance from the light source to the build volume. The described approach may allow for fabrication of larger parts in an additive fabrication device by expanding or eliminating the practical upper limit on the area of the build volume that can be imposed by use of a laser light source in such a device.
    Type: Grant
    Filed: April 8, 2022
    Date of Patent: November 21, 2023
    Assignee: Formlabs, Inc.
    Inventor: Andrew M. Goldman
  • Patent number: 11815762
    Abstract: A backlight module is provided. The backlight module includes a substrate having a substrate surface, a conductive layer disposed on the substrate surface, a plurality of LED chips disposed on and electrically connected to the conductive layer, a light-permeable layer having a light-permeable surface away from the substrate surface, and a pattern layer disposed on the light-permeable surface and having a plurality of first patterns corresponding to and respectively located above the plurality of LED chips. Wherein, each first pattern has a maximum width. A maximum width of one first pattern satisfies the following formula: WP?2n(TE?TL)(1?1/n2)1/2+WL; wherein WP is the maximum width of one first pattern, n is a refractivity of the light-permeable layer, TE is a thickness of the light-permeable layer, TL is a thickness of the LED chip, WL is a maximum width of LED chip corresponding to the first pattern.
    Type: Grant
    Filed: November 30, 2022
    Date of Patent: November 14, 2023
    Assignees: EPISTAR CORPORATION, Yenrich Technology Corporation
    Inventors: Wen-Chien Wu, Wei-Shan Hu, Ching-Tai Cheng
  • Patent number: 11808968
    Abstract: A planar light source includes a light source, a light guide member, and a sectioning member. The light guide member has a light source placement part in which the light source is disposed and a section defining part having a groove surrounding the light source placement part. The sectioning member has light reflectivity and is disposed in the section defining part. A first portion in the section defining part that is furthest from a center of the light source in a plan view has a transmittance higher than a transmittance of a second portion in the section defining part that is closest from the center of the light source in the plan view.
    Type: Grant
    Filed: July 31, 2022
    Date of Patent: November 7, 2023
    Assignee: NICHIA CORPORATION
    Inventor: Keiji Emura
  • Patent number: 11808424
    Abstract: According to one aspect of the present disclosure, disclosed is a lamp module for a vehicle, the lamp module including: a first light source and a second light source for forming two or more types of light distribution patterns; and a light guide unit provided on one side of the first light source and the second light source. The first light source is provided behind the light guide unit and faces a rear surface portion of the light guide unit, and the second light source is provided below the light guide unit and faces a lower surface portion of the light guide unit. The light emitted from the first light source is emitted to the outside to form a first light distribution pattern, and the light emitted from the second light source is emitted to the outside to form a second light distribution pattern.
    Type: Grant
    Filed: July 27, 2022
    Date of Patent: November 7, 2023
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventor: Hyun Soo Lee
  • Patent number: 11804585
    Abstract: Discussed is a lamp and a lamp device, and more particularly, to a lamp using a semiconductor light-emitting device, and a method of manufacturing the lamp. The lamp includes a substrate; a plurality of semiconductor light-emitting devices disposed on the substrate; a flat layer formed between the plurality of semiconductor light-emitting devices; a spacer disposed between the substrate and the flat layer; and an air gap disposed between each semiconductor light-emitting device and the spacer.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: October 31, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Bongseok Choi, Mingu Kang, Hooyoung Song
  • Patent number: 11793593
    Abstract: Embodiments include a lighting assembly includes an elongate gasket body formed of a resilient, optically transmissive material. The gasket body includes a light source cavity at least partially defined by a light transmission portion and an attachment channel configured to attach the gasket body to a mount. A light source is disposed in the light source cavity. Other embodiments include securement ring including a clamp portion and a lighting assembly portion. The clamp portion includes first and second segments, each being semiannular in shape and curving between first and second ends, the first end of the first segment coupled to the second end of the second segment and the second end of the first segment coupled to the first end of the second segment to collectively form an aperture. The lighting assembly portion includes a first and second segments, each being semiannular in shape and including a light source.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: October 24, 2023
    Assignee: American Sterilizer Company
    Inventors: Lance Clark Bellows, Bernard John Moss, Michael Hollopeter, Joseph James Groszek
  • Patent number: 11789311
    Abstract: An illumination device includes a light source, a wavelength conversion sheet configured to perform wavelength conversion on light from the light source, and a first light reduction portion disposed in a frame shape as a whole overlapping an outer peripheral portion of the wavelength conversion sheet in a plan view between the light source and the wavelength conversion sheet, and configured to reduce a light amount of incident light.
    Type: Grant
    Filed: March 9, 2022
    Date of Patent: October 17, 2023
    Assignee: Sharp Display Technology Corporation
    Inventors: Takeshi Masuda, Hisashi Watanabe, Hirotoshi Yasunaga
  • Patent number: 11781734
    Abstract: A lens component radiates light from a light source. The lens component includes a light guiding radiation portion. The light guiding radiation portion includes a light incidence portion having an incidence surface on which the light from the light source is made incident, and a plurality of radiation mechanisms that respectively radiate to a plurality of radiation angle ranges. The incidence surface includes a close side incidence region and a distant side incidence region. The radiation angle ranges include a close side radiation angle range and a distant side radiation angle range. The light incident on the close side incidence region is radiated to the distant side radiation angle range via a corresponding distant side radiation mechanism. The light incident on the distant side incidence region is radiated to the close side radiation angle range via a corresponding close side radiation mechanism.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: October 10, 2023
    Assignee: PATLITE CORPORATION
    Inventors: Yusuke Tone, Daisuke Shigematsu
  • Patent number: 11774282
    Abstract: One embodiment provides a pyranometer, including: a dome enclosing a cavity; at least one light emitting source arranged such that light exterior to the dome does not directly impinge on the at least one light emitting source; a diffusor; wherein the at least one light emitting source is configured to emit light substantially directed to a portion of the diffusor, and wherein the diffusor is configured to diffuse the light emitted from the at least one light emitting source on an inner surface of the dome; and one or more first light detecting sensors arranged in the cavity and configured to measure an intensity of the light reflected from the dome and impinging on the one or more first light detecting sensors. Other aspects are described and claimed.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: October 3, 2023
    Assignee: OTT HydroMet B.V.
    Inventors: Joop Mes, Thijs Bergmans
  • Patent number: 11740517
    Abstract: Provided is a head-up display including a liquid-crystal panel including a display screen, a Fresnel lens which is on an opposite side of the liquid-crystal panel from the display screen, a light-diffusion member between the liquid-crystal panel and the heat-transfer member, a backlight that emits light toward the heat-transfer member, a heat sink disposed along at least one side of the Fresnel lens and one side of backlight, and a mirror that forms a virtual image corresponding to an image displayed on the display screen of the liquid-crystal panel, in a target space, where a light-diffusion structure is provided to a surface of the light-diffusion member facing the liquid-crystal panel.
    Type: Grant
    Filed: May 19, 2022
    Date of Patent: August 29, 2023
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Takato Hada, Takahiro Akiyoshi, Hiroki Hara, Keiji Sugiyama
  • Patent number: 11709307
    Abstract: A light source module and a method for manufacturing the same, and a backlight module and a display device using the same are provided. The method includes the following steps. A reference light source module is provided. The reference light source module comprises a substrate and plural light-emitting units arranged on the substrate. Then, plural optical trends between every two adjacent light-emitting units are obtained. Then, plural optical ratios between every two adjacent light-emitting units are calculated, in which each of the optical ratios is a ratio of each of the optical trends to a total reference optical trend of the reference light source module. Then, plural target distances are calculated according to the optical ratios and plural initial distances between every two adjacent light-emitting units are adjusted according to the target distances, thereby forming a target light source module.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: July 25, 2023
    Assignees: Radiant Opto-Electronics (Suzhou) Co., Ltd., Radiany Opto-Electronics Corporation
    Inventors: Chang-Yao Chen, Chih-Chiang Chang, Ya-Yin Tsai
  • Patent number: 11674673
    Abstract: A site light including a body, a power system with an AC input and battery terminal, and a telescopic arm assembly supported by the body, where the telescopic arm includes a first end fixed relative to the body and a second end opposite and movable with respect to the first end. The site light also includes a light assembly in operable communication with the power system and coupled to and movable together with the second end of the telescopic arm, where the light assembly is operable in a first light mode in which the light assembly outputs approximately 13,000 lumens of light, and a second light mode in which the light assembly outputs approximately 20,000 lumens of light.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: June 13, 2023
    Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
    Inventors: David Proeber, Ross McIntyre, Jason D. Thurner, Michael A. Verhagen, Gareth Mueckl, Brian Cornell, Dalton F. Hansen, Anthony R. Sleck
  • Patent number: 11668443
    Abstract: An uplight device for use with a luminaire that has a housing configured to be supported from a surface by a stem with a wireway. The uplight device includes a body having a radially outwardly directed annular flange, a vertically oriented annular rim encircling the annular flange, and a passageway extending through the body, and an uplight substrate supported on a first side of the annular flange. The uplight substrate includes a plurality of light emitting sources arranged in an array on a first side of the uplight substrate. The uplight device further includes an optical lens covering the first side of the annular flange and the uplight substrate. The body of the uplight device is configured to be coupled between the stem and housing of the luminaire such that the passageway communicates with the wireway of the stem and a chamber of the luminaire.
    Type: Grant
    Filed: May 17, 2022
    Date of Patent: June 6, 2023
    Assignee: LSI Industries, Inc.
    Inventors: Travis Wright, Nikhil Kochar, Shane Jelliffe, Eric Jon Mooar, Christopher Linn Papa
  • Patent number: 11662417
    Abstract: An active marker device, and method of design thereof, for use in a motion tracking system are provided. In one arrangement, the device comprises a mounting body comprising a mounting surface. A plurality of light emitting units are mounted on respective mounting portions of the mounting surface. A control system controls the plurality of light emitting units such that light is emitted simultaneously from a selected subset of light emitting units. A plurality of optical elements are mounted on the mounting surface. Each optical element covers a different one of the light emitting units and is configured so that an inner surface of the optical element is separated from an outer surface of the light emitting unit. Each optical element redirects a portion of light emitted by the light emitting unit covered by the optical element to be more parallel to the mounting portion of the light emitting unit.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: May 30, 2023
    Assignee: OXFORD METRICS PLC
    Inventors: Peter West, Miles Beattie, Paul Smyth, Phil Pritchett, José Araujo, David Reynolds
  • Patent number: 11655948
    Abstract: A luminaire comprising: a chassis (100), the chassis (100) comprising: four walls joined to form a rectangular cavity, each wall of the four walls comprising: —a heat sink (107); —a wiring channel (111, 112); —a first receiving channel (114) on a first side of the heat sink (107); and—a second receiving channel (116) on a second side of the heat sink (107); a light emitting diode board (130) attached to a first wall of the four walls; a first extrusion (344) attached to a second wall of the four walls; a second extrusion (345) attached to a third wall of the four walls; wherein the light emitting diode board (130) comprises a first protrusion that fits into the first receiving channel and a second protrusion that fits into the second receiving channel; and wherein the light emitting diode board (130) rests on the heat sink (107) of the first wall when the first protrusion is fit into the first receiving channel and the second protrusion is fit into the second receiving channel.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: May 23, 2023
    Assignee: SIGNIFY HOLDING B.V.
    Inventors: Gregory Parker, Alexander Ross, Ashley Pickens, Kevin Strickfaden, William Getzinger, Stephen Geyer, Timothy Bingaman
  • Patent number: 11639899
    Abstract: The present disclosure relates to a lighting apparatus.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: May 2, 2023
    Assignee: M-Vision Co., Ltd.
    Inventor: Guyoul Lee
  • Patent number: 11619361
    Abstract: A vehicle luminaire includes: a board having a plate shape and including a first surface, a second surface facing the first surface, and at least one coupling portion penetrating between the first surface and the second surface; a light-emitting element provided on the first surface of the board; and a connecting portion having a plate shape, including a convex portion provided inside each coupling portion on one end portion side, and extending in a direction from the first surface toward the second surface. A tip portion of the convex portion may protrude from the first surface of the board. A distance between the tip portion of the convex portion and the first surface of the board may be larger than a distance between a light-emitting surface of the light-emitting element and the first surface of the board.
    Type: Grant
    Filed: February 4, 2022
    Date of Patent: April 4, 2023
    Assignee: Toshiba Lighting & Technology Corporation
    Inventor: Hiroaki Kanagawa
  • Patent number: 11608957
    Abstract: An optical device configured to be attached to a rear of a vehicle to provide exterior lighting, and to control the direction and intensity of the exterior lighting. The optical device having a socket configured to be attached to the rear of the vehicle, a light positioned within the socket and configured to emit light rays, an inner lens positioned within the socket and configured to receive the light rays, an outer lens positioned within the socket and surrounding the inner lens, and a molded plastic device positioned in front of or attached to the outer lens to create a cut pattern to allow the light rays to be focused in a desired area.
    Type: Grant
    Filed: February 11, 2022
    Date of Patent: March 21, 2023
    Assignee: Toyota Motor Engineering & Manufacturing North America. Inc.
    Inventors: Stuart R. Wuerthele, Jose Hernan Hernandez
  • Patent number: 11603983
    Abstract: The present disclosure discloses an LED light string ornament and a method for producing the same. The LED light string ornament includes an LED light string and a plurality of decorative pieces. The LED light string includes three wires, a plurality of SMD LEDs, and a plurality of adhesive bodies. A part or a whole of the decorative piece are transparent or semi-transparent. The decorative piece includes a first housing and a second housing. The first housing and the second housing are buckled to form an accommodating cavity, and a plurality of LED beads of the LED light string are respectively accommodated in the accommodating cavities of the plurality of decorative pieces.
    Type: Grant
    Filed: August 25, 2020
    Date of Patent: March 14, 2023
    Inventors: Xiwan Shan, Tuxiu Yang, Yundong Ai, Jie Zhang, Qunlin Li, Qiming Liu, Su Yan, Jingtian Wu
  • Patent number: 11585526
    Abstract: A lighting apparatus including an enclosure, a printed circuit board mounted to the enclosure, and an upwardly directed primary light emitting diode in electrical communication with the printed circuit board. The lighting apparatus additionally includes a power source for supplying electrical power to the printed circuit board. The lighting apparatus further includes a transparent dome situated atop the enclosure and covering the printed circuit board, wherein the transparent dome includes an optically unobstructed region in vertical alignment with the primary light emitting diode for passage of an upwardly directed light beam emitted from the primary light emitting diode when powered.
    Type: Grant
    Filed: December 17, 2020
    Date of Patent: February 21, 2023
    Assignee: Exton Capital Corp
    Inventor: Ron Keppel
  • Patent number: 11585517
    Abstract: A lighting module includes a heat sink with a sidewall and a partition defining two cavities, a LED light source disposed in one cavity to emit light, a driver module disposed in the other cavity with driver circuitry to provide electrical power to the light source, and an optical assembly to provide a desired emission profile. The optical assembly is field-changeable and includes a cover lens with snap-fit connectors to facilitate removal and replacement. The optical assembly further includes either a reflector coupled to the cover lens or an optical lens coupled to the heat sink via an optic holder. In some examples, the driver circuitry facilitates dimming of the light source. The heat sink also dissipates heat generated by the light source and the driver circuitry to maintain desired operating temperatures and thereby facilitate increased light output.
    Type: Grant
    Filed: July 23, 2021
    Date of Patent: February 21, 2023
    Assignee: DMF, Inc.
    Inventors: Frederick William Kopitzke, Nolan Gunsolley, Amir Lotfi, Benjamin Pin-Chun Chen
  • Patent number: 11573000
    Abstract: An optical unit includes a first light source, a second light source, a rotary reflector that rotates about an axis of rotation while reflecting first light emitted from the first light source, and a projection lens that projects the first light reflected by the rotary reflector into a light illuminating direction of the optical unit to form a first light distribution pattern. The second light source is disposed such that second light emitted from the second light source enters the projection lens without being reflected by the rotary reflector. The projection lens is configured to project the second light into the light illuminating direction of the optical unit to form a second light distribution pattern such that the second light distribution pattern overlaps an end portion of the first light distribution pattern in a right-left direction.
    Type: Grant
    Filed: April 1, 2022
    Date of Patent: February 7, 2023
    Assignee: KOITO MANUFACTURING CO., LTD.
    Inventors: Kazutoshi Sakurai, Hidetada Tanaka
  • Patent number: 11566776
    Abstract: A display device includes a display panel; a frame at a rear of the display panel, the frame including a bottom and a sidewall extending from the bottom; a substrate on the frame; a light source mounted on the substrate; a lens mounted on the light source in which the lens includes an upper surface, a lower surface, and a side surface connected with the upper surface and the lower surface; a reflecting layer between the substrate and the lens; and a plurality of dots formed on a top surface of the reflecting layer. Further, the lower surface of the lens includes a groove in which the light source is inserted, and the plurality of dots is arranged around the light source and only in an area under the lens between the side surface and the groove.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: January 31, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Sewon Oh, Eunseok Kim
  • Patent number: 11536422
    Abstract: The present disclosure relates generally to lighting elements, for example, suitable for use illuminating a ceiling. The present disclosure relates more particularly to an illuminated acoustic ceiling element including an acoustic substrate having an upper face and a lower face, an air permeable layer disposed under the lower face of the acoustic substrate and spaced from the acoustic substrate, and a light source supported by the acoustic substrate and configured to emit light through the air permeable layer.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: December 27, 2022
    Assignee: CertainTeed Canada, Inc.
    Inventors: Luigi Bartella, Timothy Briggs
  • Patent number: 11530791
    Abstract: The invention relates to a motor vehicle light module comprising: —a part comprising a plurality of light guides, each of said light guides extending between an input diopter of the same guide and an output, the adjacent light guides joining to one another by a material junction; —several light sources arranged opposite the input diopters of all or a portion of the light guides; and—a projection system downstream from the guide outputs that has a focal surface (F) projecting an image of any light ray passing through the focal surface. According to the invention, the light module comprises at least two guides of which the distance (d1) between the focal surface (F) and the junction of said two guides is greater than the distance (d2) between the focal surface (F) and the junction of the other guides.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: December 20, 2022
    Assignee: VALEO VISION
    Inventors: Julien Aubert, Hugo Mestre
  • Patent number: 11512844
    Abstract: Described herein is an illuminating device with reflector. Said device includes a heat sink insert moulded cylindrical plastic housing, and a circular metal core printed circuit board, MCPCB, mounted on a circular slot provided on a top inner end of the housing, the circular MCPCB having light emitting diodes (LEDs), wherein LEDs mounted in a circular manner near peripheral region of a top surface of the MCPCB and having electronic components mounted in a central region of the top surface of the MCPCB. Further said device includes a cylindrical reflector fixed on the top surface of the MCPCB with its cylindrical wall lying between the LEDs and the electronic components; and a diffuser connecting a top surface of the cylindrical reflector with the top inner end of the housing, wherein lower end of said plastic housing connected with a holder.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: November 29, 2022
    Inventors: Mohit K. Mittal, Manish Pandey, R. K. Sharma