Patents Examined by Bao-Luan Q Le
  • Head-mounted display capable of preventing damage of an image display apparatus
    Patent number: 11500213
    Abstract: [Problem] Proposed is a head-mounted display capable of preventing deformation or damage of an image display apparatus due to concentration of an external force on a part of the image display apparatus. [Solution] A head-mounted display includes a frame that is worn on a head of an observer, an image display apparatus that is connected to a central part of the frame in a left-right direction and that includes an image forming apparatus and an optical member that is connected to the image forming apparatus and arranged in front of left and right eyes of the observer, and a rotation restricting unit that is arranged opposite to, across a predetermined gap in a front-rear direction, one of the optical member and an extended part extending from the optical member.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: November 15, 2022
    Assignee: SONY CORPORATION
    Inventor: Toshimi Kobayashi
  • Light emitting device and optical device
    Patent number: 11500275
    Abstract: A light emitting device includes: at least one semiconductor laser element; and a light-transmissive member including: an upper surface, a lower surface, and a light-transmissive region through which laser light emitted from the at least one semiconductor laser element is transmitted from the lower surface to the upper surface, wherein: at least the light-transmissive region is made of sapphire, the light-transmissive member includes an incident surface on which the laser light is incident, the incident surface being an a-plane of the sapphire, and the light-transmissive member is oriented such that a polarization direction of the laser light incident on the incident surface is parallel or perpendicular to a c-axis of the sapphire in a top view.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: November 15, 2022
    Assignee: NICHIA CORPORATION
    Inventor: Kazuma Kozuru
  • Projector including a semiconductor light emitting element and a color wheel, projection control device, and storage medium
    Patent number: 11496719
    Abstract: A projector of the present invention includes a light source unit including a semiconductor light emitting element and a color wheel and emitting lights in first and second wavelength ranges in time division, a display device receiving light source light to form image light, a projection optical system for projecting the image light onto a projection target, a delay time setting module for shifting a start timing of a color mixing period when the lights in the first and second wavelength ranges are emitted in a mixed fashion in a spoke period of the color wheel during which emissions of the lights in the first and second wavelength ranges are switched over based on an index indicating a brightness of light from the light source unit, and a light source driving module for driving the light source unit based on a setting set by the delay time setting module.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: November 8, 2022
    Assignee: CASIO COMPUTER CO., LTD.
    Inventors: Yubi Takashimada, Tetsuro Narikawa, Kiyoshi Oda
  • Projection image display device
    Patent number: 11493839
    Abstract: A projection image display device includes: an optical element that separates incident light into a first color light beam and a second color light beam, synthesizes the first color light beam and the second color light beam to generate synthetic light, and emits the synthetic light; a first display panel that reflects and modulates the first color light beam; a second display panel that reflects and modulates the second color light beam; a first heat dissipator that dissipates heat of the first display panel; a second heat dissipator that dissipates heat of the second display panel; a light shielding portion that blocks a part of the second color light beam reflected by the second display panel from traveling toward the first display panel; a light shield heat dissipator that dissipates heat of the light shielding portion; and a container. The second heat dissipator is disposed outside the container.
    Type: Grant
    Filed: July 27, 2021
    Date of Patent: November 8, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Manabu Chikayama, Hiroyuki Terawaki, Kiyoko Tsuji
  • Projector and cooling device
    Patent number: 11480858
    Abstract: A projector includes a first cooling target, a cooling device, and an exterior housing. The cooling device includes a first circulation device in which working fluid circulates, a second circulation device in which a liquid refrigerant circulates, and a heat exchanger in which both of the working fluid and the liquid refrigerant flow. The first circulation device includes a first compressor, a condenser, a first expander, and a first evaporator. The second circulation device includes a first heat receiver heat-transferably connected to the first cooling target. The heat exchanger includes a first channel in which the working fluid having flowed in the first expander flows, and a second channel in which the liquid refrigerant having flowed in the first heat receiver flows. The heat exchanger cools the liquid refrigerant flowing in the second channel with the working fluid flowing in the first channel.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: October 25, 2022
    Assignee: Seiko Epson Corporation
    Inventor: Kaname Nagatani
  • Structured light projector
    Patent number: 11480427
    Abstract: A structured light projector outputting light which is adapt to variations in distance between an object under test and the structured light projector can efficiently obtain data as to three dimensions of the object. The structured light projector includes a lens, an infrared laser source, a voice coil motor, a first camera, and a second camera. The infrared laser source can emit infrared light towards the voice coil motor, the first camera is movably housed in the voice coil motor. The voice coil motor can adjust a focal length of the first camera. The first camera is disposed on a transmission path of the infrared light, so that the infrared light enters the to-be-tested object. The second camera is disposed on the second surface, to receive light reflected by the to-be-tested object.
    Type: Grant
    Filed: June 1, 2021
    Date of Patent: October 25, 2022
    Assignee: TRIPLE WIN TECHNOLOGY(SHENZHEN) CO.LTD.
    Inventor: Zhe-Ming Lin
  • Reflective color correction for phosphor illumination systems
    Patent number: 11474422
    Abstract: Wavelength conversion elements formed from phosphors and dielectric interference particles dispersed in a host material, either in a single layer or in separate layers, are disclosed. Optical light conversion devices having such wavelength conversion elements, methods of making such wavelength conversion elements, and methods of using such wavelength conversion elements are also disclosed.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: October 18, 2022
    Assignee: MATERION CORPORATION
    Inventors: Robert Sprague, Michael P. Newell
  • Projector
    Patent number: 11474421
    Abstract: A projector that modulates and projects light emitted from a light source includes an exterior housing configuring the exterior of the projector, a cooling target separably attached from the outside of the exterior housing, a cooling fan configured to deliver a cooling gas to the cooling target, and a channel forming member forming a part of a channel in which the cooling gas delivered from the cooling fan flows. In a state in which the cooling target is attached to the projector, the cooling target and the channel forming member form the channel. The cooling gas flows in the channel along the cooling target.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: October 18, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Eita Yamaki, Sei Nakanishi
  • Projector and liquid crystal panel module
    Patent number: 11460757
    Abstract: A projector according to the present disclosure includes a light source device, a plurality of light modulation devices, a combining prism, a support member, and a projection optical system. A first light modulation device includes a first light modulation panel having a first incident side substrate, a first exit side substrate, and a liquid crystal layer, a frame body which has a first opening part, and surrounds a side surface of the first incident side substrate and a side surface of the first exit side substrate, a second incident side substrate opposed to the first incident side substrate in the first opening part, an incident side member fixed to the second incident side substrate and the frame body, a support target member supported by the support member, and a holding member which is made elastically deformable.
    Type: Grant
    Filed: August 21, 2020
    Date of Patent: October 4, 2022
    Inventors: Tomoaki Miyashita, Toshizo Nishi, Takanori Fukuyama, Kazunari Sakamoto, Suguru Uchiyama
  • Beam combining for highlight projection
    Patent number: 11457185
    Abstract: A novel projection system includes first and second light sources (e.g., sets of lasers), a spatial light modulator (SLM) that receives light from the first light source, and a beam steering device that receives light from the second light source and steers the light to highlight regions of the SLM. The SLM then modulates the light from both light sources to generate a highlighted imaging beam which can then be projected on a viewing surface. The highlighted imaging beam can represent a highlighted 2D image or a highlighted left- or right-eye view of a 3D image. The projection system thus improves peak brightness in the displayed highlighted images without incorporating a separate highlight projector or other expensive equipment. Methods for highlighting projected images are also described.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: September 27, 2022
    Assignee: DOLBY LABORATORIES LICENSING CORPORATION
    Inventors: Martin J. Richards, Barret Lippey
  • Processing method of image data, projection apparatus, processing apparatus of image data
    Patent number: 11448948
    Abstract: In a processing method of image data in accordance with an embodiment of the present invention, a processor of an information processing apparatus calculates a heat quantity value when projecting and displaying image data, determines the image data as an image to be projected and displayed when the heat quantity value does not reach a threshold value, and generates processed image data so that a heat quantity is to be lower than the heat quantity value and determines the processed image data as an image to be projected and displayed when the heat quantity value exceeds the threshold value.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: September 20, 2022
    Assignee: CASIO COMPUTER CO., LTD
    Inventor: Tetsuro Narikawa
  • Mounted projection system
    Patent number: 11448946
    Abstract: An interaction module includes a housing for holding a projector to project an image onto a working surface and an optical scanning device for scanning a gesture in the region of the image, and a mounting plate configured for fastening to an underside of an object attached above the working surface. The mounting plate is configured for attachment of the housing on a side of the mounting plate which side faces away from the object.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: September 20, 2022
    Assignee: BSH Hausgeräte GmbH
    Inventors: Markus Helminger, Gerald Horst, Philipp Kleinlein
  • Combination wheel for light conversion including both phosphor segments and color filters
    Patent number: 11448950
    Abstract: A combination wheel is disclosed, which comprises a color filter, a reflective substrate coaxially aligned with and on a surface of the color filter, light-emitting phosphor segments of different colors on the reflective substrate, and a diffuser segment. When used with a blue laser generator and a series of a dichroic filters and mirrors, the combination wheel tunes and convert lights to be collected by a subsequent optical system.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: September 20, 2022
    Assignee: MATERION PRECISION OPTICS (SHANGHAI) LIMITED
    Inventors: Shengyuan Bai, James Li, David Zhang
  • Illumination system and projection apparatus for enhancing uniformity of illumination light beams
    Patent number: 11442351
    Abstract: An illumination system including a first light source device, a light guide device, a light splitting device, and a light converging element is provided. The first light source device provides first, second, and third light beams and a first compensation light beam. The light guide device reflects the first, second, and third light beams and the first compensation light beam. The light splitting device includes a first half reflecting element configured to reflect a part of a light beam and being pervious to another part of the light beam. The light converging element receives first and second combined light beams formed by the first, second, and third light beams and the first compensation light beam, where distances between light spots formed on the light converging element by the first and second combined light beams and a central axis of the light converging element are identical and greater than zero.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: September 13, 2022
    Assignee: Coretronic Corporation
    Inventors: Chun-Wei Lin, Kun-Chen Hsu
  • Virtual reality head-mounted apparatus with a partial-reflection partial-transmission wedge
    Patent number: 11442270
    Abstract: Methods, systems, and apparatus for a virtual reality (VR) head-mounted apparatus are provided. One of the apparatus includes a convex lens, a camera and a partial-reflection partial-transmission lens. The partial-reflection partial-transmission lens is located on a side of the convex lens towards a user when the user wears the VR head-mounted apparatus, and a lens surface of the partial-reflection partial-transmission lens is disposed obliquely to reflect an infrared image of an eye of the user to the camera. The VR head-mounted apparatus improves the acquisition accuracy for an infrared image of an eye of the user.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: September 13, 2022
    Assignee: ADVANCED NEW TECHNOLOGIES CO., LTD.
    Inventor: Hong Zhang
  • High-dimming-ratio avionics display
    Patent number: 11428940
    Abstract: Disclosed are dual-light-source, high dimming-ratio avionics displays with digital light processing projector technology for rendering a visual display from generated light. The dual light sources are directed towards a beam splitter adapted to pass a substantial portion of the light from the first light source and to reflect a minority portion of the light from the second light source. An image is rendered at a substantially transparent, selectively reflective substrate adapted to reflect light of a range of visible wavelengths toward a viewer of the displays.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: August 30, 2022
    Assignee: Garmin International, Inc.
    Inventors: Iain P. Gillan, Steven A. Stringfellow, Ryan K. Eakin
  • Projection optical apparatus having reinforcing member and projector
    Patent number: 11415868
    Abstract: A projection optical apparatus includes a first lens group, a first lens barrel holding the first lens group, a first optical path deflector disposed at a demagnifying side of the first lens group, a resin frame holding the first optical path deflector and including a first opening in which the first lens barrel is fitted, and a first reinforcing member disposed around an outer circumference of the first opening.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: August 16, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Hirofumi Okubo
  • Passenger cabin, lighting arrangement and operating method
    Patent number: 11405596
    Abstract: A lighting arrangement for a passenger cabin of an aircraft is provided. The lighting arraignment has a display surface for displaying image content, at least two luminaires in a lighting environment of the display surface and a control unit. The luminaires radiate light in accordance with at least one lighting parameter. In the control unit, each luminaire is assigned part of the display surface as an evaluation region and a mapping rule. The mapping rule assigns image content of the evaluation region values of the lighting parameters. The control unit, for each of the luminaires, assigns the image content of its evaluation region values of its lighting parameters using the mapping rule and actuates the luminaires with the values with regard to the assigned lighting parameters. A passenger cabin having the lighting arrangement and a method for actuating the luminaires are also provided.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: August 2, 2022
    Assignee: DIEHL AEROSPACE GMBH
    Inventors: Martin Bachhuber, Tobias Mengel
  • Display adjustment for head-mountable device
    Patent number: 11402640
    Abstract: A head-mountable device can include an optical module that provides a display element that is moveable based on pressure and/or temperature changes within an enclosed chamber. The control mechanisms can directly and/or indirectly alter one or more of the temperature, pressures, and/or volume of the enclosed chamber. As the conditions within the chamber are altered, an extendable member can expand and/or retract to move the display element towards and/or away from a user's eye. The mechanisms for controlling the position of the display element can be actively and/or passively controlled.
    Type: Grant
    Filed: June 3, 2020
    Date of Patent: August 2, 2022
    Assignee: APPLE INC.
    Inventor: Divakar Singamsetty
  • Heat dissipation device and projector
    Patent number: 11397378
    Abstract: The disclosure provides a heat dissipation device including a first fin structure and a heat conduction member. The first fin structure includes a first substrate and a plurality of first fins extending from the first substrate, the first fins include a plurality of first ends and a plurality of second ends. The plurality of first ends and the plurality of second ends are opposite to each other. The first ends are connected to the first substrate. The second ends are away from the first substrate, and the second ends contact the heat conduction member. The disclosure also provides a projector with the heat dissipation device. Through the heat dissipation device, the projector can achieve a good heat dissipation effect.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: July 26, 2022
    Assignee: Coretronic Corporation
    Inventors: Chao-Nan Chien, Yi-Han Lai