Patents Examined by Jerry L Brooks
  • Patent number: 11409108
    Abstract: Embodiments of the present disclosure relate to a near-eye display panel and a near-eye display device. The near-eye display panel includes a spherical display element, and a lens array located at a light emission side of the spherical display element. Lenses of the lens array are arranged on a spherical surface, the lens array and the spherical display element share a common spherical center, and a distance between each lens of the lens array and the spherical display element is configured such that a light beam emitted from each pixel point of the spherical display element is collimated after passing through the lens.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: August 9, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Jian Gao
  • Patent number: 11402734
    Abstract: A multi-lens array is provided for a luminous source of a vehicle. The array includes at least one light source and multiple lens arrangements. Each lens arrangement includes a condenser lens and a projector lens as optical elements. The at least one light source is enabled to expose each of the multiple lens arrangements with light, and the projections of the multiple lens arrangements of this light interfere to form a single projected image.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: August 2, 2022
    Assignee: Hella GmbH & Co. KGaA
    Inventors: Stefan Gröne, Michael Kleinkes
  • Patent number: 11394937
    Abstract: A projection device includes a housing, a projection lens, a first light source module, a second light source module, a first heat dissipation module and a second heat dissipation module. The housing includes a front cover, a rear cover, a first side cover, a second side cover, a first air inlet, a second air inlet and an air outlet. The front cover, the rear cover, the first side cover and the second side cover define an accommodation space. A direction of an optical axis of the projection lens divides the accommodation space into a first area and a second area. The second air inlet is located at the first area, and the air outlet is located at the second area. The first heat dissipation module is connected to the first light source module, and the second heat dissipation module is connected to the second light source module.
    Type: Grant
    Filed: February 18, 2021
    Date of Patent: July 19, 2022
    Assignee: Coretronic Corporation
    Inventors: Chun-Ting Lin, Wen-Yen Chung, Tung-Chou Hu
  • Patent number: 11385535
    Abstract: The light source device includes a first solid-state light source array emitting a first color light, a second solid-state light source array emitting a second color light, a third solid-state light source array emitting a third color light, and a light combiner for combining the first to third color lights respectively from the first to third solid-state light source arrays into a combined color light, and emitting a light flux of the combined color light in the same direction. The third solid-state light source array requiring the lowest target cooling temperature among the first to third solid-state light source arrays is disposed on a first side, and the first and second solid-state light source arrays are disposed on a second side, with an optical axis of the light flux emitted from the light combiner, as a boundary.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: July 12, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Aya Kurita, Michihiro Okuda
  • Patent number: 11385530
    Abstract: A projecting method includes: outputting, by a projection display apparatus, a projected image to a projection screen through a shifting device, wherein the projected image includes multiple frames; outputting, by a processing circuit, a control signal to drive the shifting device to rotate multiple first angles along a first axis or to rotate multiple second angles along a second axis, wherein combination of the first and the second angles corresponds to multiple projected positions; and when the projection display apparatus outputs multiple frames sequentially, rotating the shifting device sequentially according to the control signal to make multiple frames projected to the corresponding one of projected positions, wherein a number of the first angles or the second angles is at least four.
    Type: Grant
    Filed: July 4, 2019
    Date of Patent: July 12, 2022
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Yu-Nien Lin, Yi-Chen Tsai
  • Patent number: 11378878
    Abstract: A projector according to the present disclosure includes an illuminator that outputs light, a light modulator including a liquid crystal panel that modulates the light from the illuminator in accordance with image information, and a projection optical apparatus that projects image light modulated by the light modulator. The liquid crystal panel includes a display unit on which the light from the illuminator is incident, a light blocking film having a light transmissive area provided in correspondence with the display unit, and a lens that collects the light into a spot in the light transmissive area. The display unit has a first area and a second area in the light transmissive area, the second area providing light transmittance higher than light transmittance provided by the first area. The illuminator outputs the light in such a way, that the lens collects the light into a spot in the second area.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: July 5, 2022
    Assignee: Seiko Epson Corporation
    Inventor: Norio Nakamura
  • Patent number: 11378876
    Abstract: A light source device, including: an excitation light source; a supplementary light source; and a color wheel, the excitation light source emits first color light to the color wheel, the color wheel includes a first light-emitting region and a wavelength conversion region sequentially arranged along circumferential direction, and a supplementary light-emitting region located on inner or outer side of the wavelength conversion region, the first light-emitting region receives the first color light in a first time period and emit it, the wavelength conversion region receives the first color light in a second time period and emit excited light, and the supplementary light source emits, during the second time period, a supplementary light that broadens a color gamut and at least partially overlaps with a spectrum of the excited light, and the supplementary light from the supplementary light-emitting region is combined with the excited light from the wavelength conversion region.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: July 5, 2022
    Assignee: APPOTRONICS CORPORATION LIMITED
    Inventors: Zuqiang Guo, Ning Lu, Yi Li
  • Patent number: 11360373
    Abstract: Illumination optical system (101) for outputting light to a projection lens, light source unit (102) for outputting light to illumination optical system (101), and dust-proof case (103) houses illumination optical system (101) and can be divided into two housings are provided, and the dust-proof case (103) has second positioning member (105-1), (105-2) provided on the outer surface of dust-proof case (103) and fitted to and first positioning member (104-1), (104-2) provided in light source unit (102), mounting seating surface (106) provided on the outer surface of the dust-proof case (103) for screwing light source unit (102), and pinching portion (107) for sandwiching a final optical member of light source unit (102) sandwiched between two housings.
    Type: Grant
    Filed: May 28, 2018
    Date of Patent: June 14, 2022
    Assignee: SHARP NEC DISPLAY SOLUTIONS, LTD.
    Inventor: Ryosuke Kawase
  • Patent number: 11360371
    Abstract: A laser mixing module includes first, second, and third laser sets and a condensing lens. The first laser set includes first and second laser sources and a first polarization beam splitter reflecting a polarization light of the first laser source and allowing a polarization light of the second laser source to pass for forming a first laser beam. The second laser set includes third and fourth laser sources and a second polarization beam splitter reflecting a polarization light of the third laser source and allowing a polarization light of the fourth laser source to pass therethrough for forming a second laser beam. The third laser set includes a fifth laser source and first and second dichroic mirrors respectively reflecting the first and second laser beams and allowing a light of the fifth laser source to pass for forming a third laser beam. The condensing lens condenses the third laser beam.
    Type: Grant
    Filed: March 8, 2021
    Date of Patent: June 14, 2022
    Assignee: Qisda Corporation
    Inventors: Ching-Shuai Huang, Bing-Hann Leu, Chi-Hung Hsiao
  • Patent number: 11353783
    Abstract: An illumination device of the present disclosure includes: a first light source unit that emits first light of a first wavelength band; a first spatial light modulator where the first light from the first light source unit enters; a second light source unit that emits second light of a second wavelength band; an integrator optical system including a first fly-eye lens where the second light from the second light source unit enters and generating illumination light for an illumination target on a basis of the first light having been modulated by the first spatial light modulator and the second light from the second light source unit; and a multiplexing optical system that multiplexes the second light having entered the first fly-eye lens and the first light having been modulated by the first spatial light modulator, in an optical path between the first fly-eye lens and the illumination target.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: June 7, 2022
    Assignee: SONY CORPORATION
    Inventors: Masa Tanaka, Ryo Miyao
  • Patent number: 11353784
    Abstract: A light source device according to the present disclosure includes a plurality of light emitting elements, a diffusion element which light beams including a plurality of beams emitted from the plurality of light emitting elements enter, and which diffuses the light beams, and an optical element configured to divide the light beams emitted from the plurality of light emitting elements into plurality of partial light beams, wherein the diffusion element has a plurality of diffusion areas disposed so as to correspond to the plurality of partial light beams obtained by the optical element dividing the light beams emitted from the plurality of light emitting elements.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: June 7, 2022
    Assignee: Seiko Epson Corporation
    Inventor: Koichi Akiyama
  • Patent number: 11353785
    Abstract: Alight source device according to the present disclosure includes a light source section configured to emit first light in a first wavelength band, a first optical element configured to collect the first light emitted from the light source section, a second optical element having a first plane of incidence and a first exit surface, and a wavelength conversion element having a second plane of incidence and a second exit surface, and configured to convert the first light entering the wavelength conversion element through the second plane of incidence into second light having a second wavelength band, wherein the second optical element and the wavelength conversion element are disposed in a state in which the first exit surface and the second plane of incidence are opposed to each other at a distance from each other, and the second plane of incidence is larger in size than the first exit surface.
    Type: Grant
    Filed: November 27, 2020
    Date of Patent: June 7, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Wataru Yasumatsu, Tomoko Akagawa, Koya Shiratori
  • Patent number: 11353786
    Abstract: A polarizing beam splitter according to the present disclosure includes a transparent optical member, at least one first polarizing beam splitting film, and at least one second polarizing beam splitting film. The at least one first polarizing beam splitting film is disposed inside the transparent optical member to be tilted at a first tilt angle with respect to a first axis. The first axis is parallel to entering light. The at least one second polarizing beam splitting film is disposed inside the transparent optical member to be tilted at a second tilt angle with respect to the first axis. The second tilt angle is in a direction opposite to that of the first tilt angle.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: June 7, 2022
    Assignee: SONY CORPORATION
    Inventor: Hiroyuki Yanagisawa
  • Patent number: 11347140
    Abstract: An illumination system and a projection device are provided. The illumination system includes a first light source, a second light source, and a diffusion element. The first light source is configured to emit a first beam, and the second light source is configured to emit a second beam. The first beam and the second beam have different colors. The diffusion element is disposed on transmission paths of the first beam and the second beam, and has a first diffusion region and a second diffusion region with different diffusion degrees. The first beam and the second beam pass through the diffusion element once, respectively, wherein the first beam passes through the first diffusion region, and the second beam passes through the second diffusion region. The illumination system and the projection device invention may effectively resolve a speckle issue of the beams.
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: May 31, 2022
    Assignee: Coretronic Corporation
    Inventors: Chien-Chung Liao, Hung-Wei Liu
  • Patent number: 11347141
    Abstract: A light source device according to the present disclosure includes a first light source, a second light source, a wavelength conversion section, a polarization splitting/combining element, a dichroic mirror for reflecting second light and transmitting third light emitted from the wavelength conversion section, a retardation plate, a diffusion section, and a condensing optical section. Condensing optical section has a first end part, a second end part, and a reflecting part. Second light proceeding via the polarization splitting/combining element is transmitted through the condensing optical section from the second end part toward the first end part, and then enters the dichroic mirror. Second light reflected by the dichroic mirror passes through the condensing optical section and then enters the polarization splitting/combining element. Third light passes through the condensing optical section and then enters the polarization splitting/combining element.
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: May 31, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Junichi Suzuki, Hidefumi Sakata, Shingo Komiyama
  • Patent number: 11340518
    Abstract: The disclosure provides a projection system and a projection operation method. The projection operation method causes the projection device disposed inside the biologically-modeled housing to project the facial image onto the face projection area of the biologically-modeled housing. The face projection area is light-transmissive and curved. The controller identifies the voice signal received by the sound-receiving device. When the controller obtains the identification result, if the projection data stored in the storage device includes the target projection data corresponding to the identification result, the controller controls the projection device to project the facial image according to the target projection data, or, if the projection data stored in the storage device does not include the target projection data, the controller controls the communication device to receive the target projection data from the external device and stores it in the storage device.
    Type: Grant
    Filed: April 6, 2021
    Date of Patent: May 24, 2022
    Assignee: Coretronic Corporation
    Inventor: Wei-Lun Hung
  • Patent number: 11340521
    Abstract: In described examples, a first TIR or RTIR element is arranged to introduce at least red light to a first spatial light modulator for modulation thereof, and a second TIR or RTIR element is arranged to introduce at least green light to a second spatial light modulator for modulation thereof. At least one of the first and second TIR or RTIR elements is arranged to introduce blue light to at least one of the first and second spatial light modulators, respectively, for modulation thereof: time-sequentially apart from the first spatial light modulator's modulation of the introduced red light, to an extent the blue light is so introduced to the first spatial light modulator; and time-sequentially apart from the second spatial light modulator's modulation of the introduced green light, to an extent the blue light is so introduced to the second spatial light modulator.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: May 24, 2022
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: William M. Bommersbach, Gregory S. Pettitt, John M. Ferri, Sajjad Khan
  • Patent number: 11333963
    Abstract: An illumination system and a projection device are provided. The illumination system includes a light source device, a light homogenizing element, and a polarization element. The light source device is configured to provide first, second, third, and first compensation beams. The light homogenizing element is disposed on transmission paths of the first, second, and third beams and the first compensation beam and is configured to convert the first, second, and third beams and the first compensation beam into an illumination beam. The polarization element is disposed on the transmission paths of the first beam and the first compensation beam and located between the light source device and the light homogenizing element. The first beam and the first compensation beam pass through the polarization element to change polarization states of the first beam and the first compensation beam to be the same as polarization states of the second and third beams.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: May 17, 2022
    Assignee: Coretronic Corporation
    Inventors: Chun-Wei Lin, Chin-Wen Huang
  • Patent number: 11333962
    Abstract: A light source apparatus according to an aspect of the present disclosure includes a light source section, a first polarization separator that transmits a first polarization component of first light and reflects a second polarization component of the first light, a second polarization separator that reflects the first polarization component, transmits a third polarization component of second light, and reflects a fourth polarization component of the second light, a diffuser that diffuses the second polarization component and causes the diffused second polarization component, and a wavelength converter that converts the wavelength of the first polarization component and causes the second light. The first polarization separator includes a first polarization separation layer and first bases. The second polarization separator includes a second polarization separation layer and second bases. At least one of the first bases and the second bases is made of quartz.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: May 17, 2022
    Assignee: Seiko Epson Corporation
    Inventor: Koichi Akiyama
  • Patent number: 11330234
    Abstract: An electronic device includes a first duct for guiding the air blown out from blowers for cooling a liquid crystal panel mounted on an illumination optical system to the liquid crystal panel, a second duct for guiding the air passing through the liquid crystal panel in the opposite direction of the air blown out from the blowers, a heat sink for removing heat from the air passing through the second duct and a blower holding unit for holding the blowers are provided in a dust-proof case, and the top surface of the blower holding unit, the blower holding unit forms a third duct for guiding the air from which heat has been removed by the heat sink to the air inlet of the blowers that is a space formed along the top surface of the dust-proof case.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: May 10, 2022
    Assignee: SHARP NEC DISPLAY SOLUTIONS, LTD.
    Inventor: Ryosuke Kawase