Patents Examined by Christopher A Lamb, II
  • Patent number: 11506963
    Abstract: The present disclosure provides a mobile terminal and a system for controlling a laser projector. The system includes a first drive circuit, a second drive circuit, a watchdog timer, a microprocessor, and an application processor. The first drive circuit is configured to output an electrical signal to the laser projector. The second drive circuit is configured to supply power to the first drive circuit. The microprocessor is configured to send a first predetermined signal to the watchdog timer. The application processor is configured to send a second predetermined signal to the watchdog timer. The watchdog timer is configured to power off the second drive circuit, in response to that the watchdog timer does not read the first predetermined signal or the second predetermined signal.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: November 22, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Xiangnan Lyu, Jian Bai, Biao Chen
  • Patent number: 11506891
    Abstract: A method operates a visual field display device, particularly for a motor vehicle, which includes an autostereoscopic planar pixel array for generating a projecting light beam containing a display content, and is designed to project this onto a partially transparent, reflective projection screen, particularly a front windscreen of the motor vehicle, in such a way that a virtual display image superimposed into a field of vision of a user is generated behind the screen. The method provides at least one surroundings parameter and/or user parameter, and switches between at least two qualitatively different 3D, 2D and/or monocular operating modes of the planar pixel array, depending on the surroundings parameters and/or user parameters provided, in order to adapt the virtual display image to qualitative operational changes relating to the surroundings and/or the user of the visual field display device.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: November 22, 2022
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventor: Wolfgang-Andreas Huber
  • Patent number: 11509873
    Abstract: A light source generating device, a projection apparatus and a light source generation method are provided. The light source generating device includes a first light source, an auxiliary light source, a control device, a driver and a current command generator. The first light source generates a first light beam. The auxiliary light source generates an auxiliary light beam corresponding to the first light beam. The control device generates a first driving signal to drive the first light source. The driver generates an auxiliary driving signal to drive the auxiliary light source according to the gate control signal and a current command. The current command generator receives an indication signal, and generates the current command according to the indication signal, wherein the indication signal corresponds to a driving current of the first light source. The invention has an effect of enhancing brightness/chrominance.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: November 22, 2022
    Assignee: Coretronic Corporation
    Inventors: Chi-Wen Ke, Hung-Wei Lin, Chun-Yi Lee
  • Patent number: 11503274
    Abstract: Implementations of a compressive light field projection system are disclosed herein. In one embodiment, the compressive light field projection system utilizes a pair of light modulators, such as digital micromirror devices (DMDs), that interact to produce a light field. The light field is then projected via a projection lens onto a screen, which may be an angle expanding projection screen that includes a Fresnel lens for straightening the views of the light field and either a double lenticular array of Keplerian lens pairs or a single lenticular, for increasing the field of view. In addition, compression techniques are disclosed for generating patterns to place on the pair of light modulators so as to reduce the number of frames needed to recreate a light field.
    Type: Grant
    Filed: May 2, 2019
    Date of Patent: November 15, 2022
    Assignee: Disney Enterprises, Inc.
    Inventor: Quinn Yorklun Jen Smithwick
  • Patent number: 11493837
    Abstract: An optical device including a bearing structure and a light-transmitting plate body is provided. The bearing structure includes a first frame body and a second frame body connected to each other, and the first frame body is located in the second frame body. The first frame body has at least one first inner surface, and the at least one first inner surface has at least one limiting protruding portion protruding from the at least one first inner surface. The light-transmitting plate body is disposed in the first frame body and is fixed to the first frame body. The light-transmitting plate body has at least one first edge, and the at least one first edge of the light-transmitting plate body is positioned through the at least one limiting protruding portion.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: November 8, 2022
    Assignee: Coretronic Corporation
    Inventor: Wei-Hao Chen
  • Patent number: 11493836
    Abstract: A light field projector device is described which outputs a light field. The projector has a projector base with a projection optical system configured to output light rays to form a projected image, a collimating optical system configured for collimation of the projected image light rays to form a second projected image, which is directed to a display optical system to produce a light field image. Light field projector devices may be used individually or in combination with one or more other projectors which can be arranged to form a direct projection light field display. The arrangement of light field projector devices may have an individual or shared display optical system. The projector device is designed to provide high pixel density, providing an image that looks crisp and unpixellated.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: November 8, 2022
    Assignee: Avalon Holographics Inc.
    Inventors: Jordan Peckham, Daniel Webber
  • Patent number: 11493838
    Abstract: An optical device includes a phosphor wheel and two light sources. The phosphor wheel has two phosphor regions. The phosphor regions are located at different radial positions of the phosphor wheel and are not overlapped. Each of the phosphor regions has a plurality of color sections. The light sources emit two light beams so as to respectively provide two light spots on the phosphor wheel. During the rotation of the phosphor wheel, the light spots are located at the color sections having the same fluorescent characteristic respectively in the phosphor regions.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: November 8, 2022
    Assignee: DELTA ELECTRONICS, INC.
    Inventor: Ming-Yo Hsu
  • Patent number: 11487114
    Abstract: The purpose of the present invention is to provide a head-up display having enhanced evenness of display image luminance. This head-up display is provided with: a backlight unit having a light source, the backlight unit emitting illumination light; a liquid crystal display element for displaying an image, the image being irradiated by the illumination light, whereby the liquid crystal display element emits display light; a control means for controlling the illuminance of the backlight unit and display by the liquid crystal display element; a housing having an opening through which the display light passes, the housing housing the liquid crystal display element and the backlight unit; and a cover glass for reflecting and/or transmitting in at least one location in a display light path and projecting the reflected and/or transmitted display light.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: November 1, 2022
    Assignee: NIPPON SEIKI CO., LTD.
    Inventors: Yuki Watanabe, Takayuki Hatano, Akinori Koiida, Chiaki Shibuya, Yujiro Inoue
  • Patent number: 11448947
    Abstract: A wavelength conversion device includes a rotating device, a substrate rotated by the rotating device, a wavelength conversion element, and a first cooling device including, on an inside, a space in which working fluid is encapsulated, the first cooling device cooling the wavelength conversion element. The first cooling device is disposed in a position corresponding to the wavelength conversion element. The space extends from an outer edge side of the substrate to a rotation axis side. The first cooling device includes an evaporator and a condenser which are provided in the space. The evaporator includes a liquid retaining part configured to retain the working fluid in a liquid phase. The liquid retaining part is provided at the outer edge side in the space and disposed in the position corresponding to the wavelength conversion element.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: September 20, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Norikazu Kadotani, Takahiro Miyata
  • Patent number: 11451753
    Abstract: A light source module configured to provide an illumination light beam is provided. The light source module includes first, second, third and fourth light source components and a heat sink structure. The first light source component emits red light. The second light source component emits first green light. The third light source component emits first blue light. The fourth light source component emits second blue light towards the second light source component. The second light source component converts the second blue light into second green light. The illumination light beam includes the red light, the first green light, the first blue light, and the second green light. The heat sink structure is connected to the first light source component and is connected to one of the second light source component and the fourth light source component. In addition, a projector having the light source module is also provided.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: September 20, 2022
    Assignee: Coretronic Corporation
    Inventors: Wen-Yen Chung, Mei-Chun Shih
  • Patent number: 11435581
    Abstract: Provided are a vehicle-mounted display device and a display system. The vehicle-mounted display device includes: an image source, a light reflection module, and an image size adjustment module which are located on a light path; wherein the image source is configured to emit image light to the light reflection module according to an image to be displayed; the light reflection module reflects the image light at least twice, and emits same to the image size adjustment module; and the image size adjustment module is configured to adjust and emit the image light incident thereon.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: September 6, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xin Wang, Fan Yang, Jianhua Du, Lei Cao
  • Patent number: 11409190
    Abstract: An optical element has a first member having a first refractive index and a second member having a second refractive index different from the first refractive index. The optical element has a first transmissive surface, a reflective surface, and a second transmissive surface arranged from a demagnifying side toward a magnifying side in order. The first transmissive surface and the reflective surface are located in one side with respect to an optical axis of the optical element. The second transmissive surface is located in the other side with respect to the optical axis of the optical element. the reflective surface has a concave shape.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: August 9, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Eiji Morikuni
  • Patent number: 11412193
    Abstract: The present disclosure relates to a projector including a light source apparatus that outputs a light ray flux containing fluorescence, a bandpass filter provided at least in part of an optical path of the fluorescence, an integrator unit on which the light ray flux is incident and which divides the light ray flux into a plurality of partial light ray fluxes, a superimposing lens that is provided on the downstream of the integrator unit and causes the plurality of partial light ray fluxes to be incident in different positions, a light modulator including a plurality of pixels, a microlens array including a plurality of microlenses corresponding to the plurality of pixels, and a projection optical apparatus that projects light outputted from the light modulator.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: August 9, 2022
    Assignee: Seiko Epson Corporation
    Inventor: Koichi Akiyama
  • Patent number: 11378269
    Abstract: Embodiments of the disclosure provide a projector including a housing, a light source module, a light engine module, a projection lens module, and a thermal module. An airflow is formed in the housing. The thermal module is disposed in the housing and includes a base and a plurality of fins. The housing has a space for accommodating the thermal module, and a dimension of the space is L. An average velocity of the airflow before entering the plurality of fins is V, and a pitch between adjacent fins of the plurality of fins is P, and a reference value Y=[2.9*(V+1)*(P?2.3)?2+2.4*(V?3.308)?2+15.82], and when L is greater than or equal to Y, the thermal module is a three-dimensional vapor chamber thermal module or a tower thermal module.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: July 5, 2022
    Assignee: Coretronic Corporation
    Inventors: Pei-Rong Wu, Wen-Yen Chung
  • Patent number: 11363243
    Abstract: Disclosed herein are a plurality of laser sources forming an element. Multiple laser elements are arranged in a pattern to form an array. Each laser element of the array is independently addressable, such that video and other content can be projected from the array.
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: June 14, 2022
    Assignee: LIGHTWAVE INTERNATIONAL, INC.
    Inventor: George Dodworth
  • Patent number: 11360372
    Abstract: A projector includes a first light source, a second light source, a collimating lens, a wavelength conversion module and a dichroic mirror. The first light source and the second light source respectively emit a first illumination beam and a second illumination beam. The collimating lens includes a first part and a second part and configured to receive and transmit the first illumination beam. The wavelength conversion module receives the first illumination beam from the first part, and generates an excitation beam transmitted toward the first part and the second part. The dichroic mirror corresponds to the first part, and configured to reflect the first illumination beam and the second illumination beam respectively to different directions for projecting the first illumination beam onto the first part and to be passed by the excitation beam.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: June 14, 2022
    Assignee: Qisda Corporation
    Inventors: Wen-Yao Lin, Ching-Shuai Huang
  • Patent number: 11360370
    Abstract: A light source device according to an embodiment of the present disclosure includes: a light source section; a rotating body; a motor; a housing; one or more lens groups; a lens holding section; and an adjusting mechanism. The rotating body includes a fluorescent light body. The fluorescent light body is excited by excitation light from the light source section to output fluorescent light. The motor drives the rotating body. The housing accommodates the rotating body. The one or more lens groups gather the excitation light from the light source section and direct the excitation light toward the rotating body. The lens holding section holds the one or more lens groups. The adjusting mechanism adjusts a distance between the rotating body and the one or more lens groups.
    Type: Grant
    Filed: August 16, 2018
    Date of Patent: June 14, 2022
    Assignee: SONY CORPORATION
    Inventor: Yuji Sato
  • Patent number: 11356644
    Abstract: An illuminator of the present disclosure includes a light source unit that emits at least one colored light, and emits, for each of the pieces of colored light, light having a plurality of peak wavelengths different from each other, and a diffraction device that includes a plurality of divided areas, and displays, in each of the divided areas, a diffraction pattern that is optimized at a corresponding peak wavelength out of each of the peak wavelengths. The plurality of divided areas allows the light of the plurality of peak wavelengths to enter the plurality of divided areas individually for each of the pieces of colored light.
    Type: Grant
    Filed: June 18, 2018
    Date of Patent: June 7, 2022
    Assignee: SONY CORPORATION
    Inventors: Takahiro Mochizuki, Masa Tanaka
  • Patent number: 11340519
    Abstract: A light source heat-dissipating device is disposed in a projection apparatus having a casing with an air inlet. The light source heat-dissipating device has a heat-dissipating fin assembly disposed in the casing and having an air intake side, and first and second heat-dissipating fin assemblies, a first air duct, and a fan adjacent to the first and second heat-dissipating fin assemblies. The second heat-dissipating fin assembly is stacked on the first one. The first heat-dissipating fin assembly is between the second one and the air inlet. The first air duct is adjacently-disposed at the air intake side, has a first entrance end connected with the air inlet and a first exit end opposite to the first entrance. The light source heat-dissipating device and projection apparatus improve temperature and life consistency between light source modules. The heat dissipation performances of the first and second heat-dissipating fin assemblies tend to be consistent.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: May 24, 2022
    Assignee: Coretronic Corporation
    Inventors: Chun-Lung Yen, Te-Tang Chen, Wen-Jui Huang, Tsung-Ching Lin
  • Patent number: 11327293
    Abstract: A wavelength conversion device includes a driver, a substrate and a support. The support is disposed between the driver and the substrate. The support is connected to the substrate and the driver. The driver drives the support and the substrate to rotate about a central axis. The support includes at least one through hole. The invention also provides a projection device including a light source system, the aforementioned wavelength conversion device, a light valve, and a projection lens.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: May 10, 2022
    Assignee: Coretronic Corporation
    Inventors: Pi-Tsung Hsu, Chi-Tang Hsieh