Patents by Inventor Xianrong LIU

Xianrong LIU has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20250211717
    Abstract: A projection apparatus includes: a light emitting component, configured to project a projection content onto a projection surface; a camera, configured to photograph a sample image; at least one processor configured to execute instructions to cause the projection apparatus to: obtain a control command for image quality adjustment; in response to the control command, control the light emitting component to project a correction image onto the projection surface; obtain a sample image photographed by the camera for the correction image on the projection surface, and extract a background color parameter from the sample image; generate a color difference gain parameter according to the background color parameter and a standard color parameter; and adjust an image quality curve of the projection content according to the color difference gain parameter, and control the light emitting component to project the projection content onto the projection surface according to the image quality curve adjusted.
    Type: Application
    Filed: March 7, 2025
    Publication date: June 26, 2025
    Inventors: Gaoming TANG, Xianrong LIU
  • Publication number: 20250203049
    Abstract: A projection apparatus includes a projection component, a camera device, and at least one processor in connection with the camera device and the projection component respectively. The at least one processor is configured to execute instructions to cause the display apparatus to: in response to a projection command input from a user, control the projection component to project a first graphic card onto a screen, and obtain a first image taken by the camera device for the first graphic card; cut the first graphic card in the first image to obtain a first graphic card image; perform binarization processing on the first graphic card image, and obtain a white connected region in the first graphic card image based on a binarization result; position a to-be-projected region based on the white connected region; and control the projection component to project a to-be-projected content to the to-be-projected region.
    Type: Application
    Filed: March 4, 2025
    Publication date: June 19, 2025
    Inventors: Gaoming TANG, Xianrong LIU, Lijuan YANG, Jialin LI, Hao WANG, Guohua YUE
  • Publication number: 20240310707
    Abstract: A laser projection apparatus includes a laser source assembly, a light modulation assembly, and a projection lens. The laser source assembly includes a laser device, a microlens array, a combining component, and a phosphor wheel. The microlens array is configured to increase divergence angles of the plurality of laser beams in a slow axis direction and a fast axis direction, so as to make a ratio of divergence angles of the laser beams diverged by the microlens array in the slow axis direction and the fast axis direction be proportional to a length-width ratio of the light inlet of the light pipe. The combining component is configured to reflect laser beams and a fluorescent beam exiting from the phosphor wheel and transmit the plurality of laser beams emitted by the laser device. The phosphor wheel is configured to reflect the laser beams and be excited to emit the fluorescent beam.
    Type: Application
    Filed: March 25, 2024
    Publication date: September 19, 2024
    Applicant: HISENSE LASER DISPLAY CO., LTD
    Inventors: Wei LI, Youliang TIAN, Xianrong LIU, Xiaoqiang GU
  • Publication number: 20240313510
    Abstract: A light source and a laser projection device are provided. The light source includes a laser array, a light combining mirror group, and a light spot shaping component. The laser array includes a first row of laser chips and a second row of laser chips. The first row of laser chips includes at least one first-color laser chip and at least one second-color laser chip, and the second row of laser chips includes at least two red laser chips. The light combining mirror group is configured to combine laser beams emitted by the laser array. The light spot shaping component is configured to receive and adjust a light beam coming from the light combining mirror group to increase the difference between the length of a light spot of the light beam in a long side direction and the length thereof in a short side direction.
    Type: Application
    Filed: May 24, 2024
    Publication date: September 19, 2024
    Inventors: Wei Li, Youliang Tian, Xianrong Liu, Ke Yan
  • Publication number: 20240248383
    Abstract: Provided is a laser projection apparatus. The laser projection apparatus includes a light source assembly, a light-modulating assembly, and a projection lens. The light source assembly includes a base plate, a frame, a plurality of light-emitting chips, a metal ring structure, a metal cover plate, and a light-transmitting layer. The frame is disposed on the base plate, and an accommodating space is defined between the base plate and the frame, and a material of the frame is ceramic. The plurality of light-emitting chips are disposed in the accommodating space and configured to emit laser light. The metal ring structure is configured to be fixed to the frame. An outer edge of the metal cover plate is fixed to one side of the metal ring structure distal from the base plate. An edge of the light-transmitting layer is fixed to an inner edge of the metal cover plate.
    Type: Application
    Filed: March 4, 2024
    Publication date: July 25, 2024
    Inventors: Jianjun Li, Xintuan Tian, Wei Li, Youliang Tian, Xianrong Liu, Xiaoqiang Gu
  • Publication number: 20240213737
    Abstract: A laser is provided. The laser includes a base plate, a frame, a plurality of light-emitting subassemblies, a plurality of first conductive structures and a second conductive structure. The frame is disposed on the base plate and is configured to form an accommodation space with the base plate, the plurality of light-emitting subassemblies are disposed on the base plate and in the accommodation space, the plurality of first conductive structures are spaced apart at an end of the frame proximal to the base plate, wherein each of the first conductive structures includes a substrate insulated from the base plate and a conductive layer disposed on a surface of the substrate distal to the base plate; and the second conductive structure has one end electrically connected to the conductive layer and another end connected to at least one of the plurality of light-emitting subassemblies.
    Type: Application
    Filed: March 5, 2024
    Publication date: June 27, 2024
    Inventors: Zinan Zhou, Youliang Tian, Xin Zhang, Yao Lu, Wei Li, Xianrong Liu, Xinghe Xue, Xiaoqiang Gu
  • Publication number: 20240187557
    Abstract: Provided is a laser device. The laser device includes a plurality of light-emitting components and a diffractive optical element. The plurality of light-emitting components are configured to emit laser beams of various colors. The diffractive optical element is disposed on light-output paths of the plurality of light-emitting components, wherein the diffractive optical element includes a plurality of diffractive areas, each of the plurality of diffractive areas corresponding to one color laser beam; and the diffractive optical element is configured to shape incident laser beams.
    Type: Application
    Filed: February 15, 2024
    Publication date: June 6, 2024
    Inventors: Ke Yan, Youliang Tian, Xianrong Liu
  • Publication number: 20240027885
    Abstract: A laser projection apparatus includes a laser source assembly, a light modulation assembly, and a projection lens. The laser source assembly includes a laser device, and the laser device includes a base plate, at least one frame, and a plurality of light-emitting chips. At least one accommodating space is defined between the at least one frame and the base plate. A region of the base plate located in the at least one accommodating space includes a first region and a second region. The second region is located on at least one side of the first region. An operating parameter of each light-emitting chip in the first region is less than an operating parameter of each light-emitting chip in the second region, and the operating parameter includes at least one of a photothermal conversion efficiency or a wavelength of the emitted laser beam.
    Type: Application
    Filed: September 28, 2023
    Publication date: January 25, 2024
    Applicant: HISENSE LASER DISPLAY CO., LTD
    Inventors: Wei LI, Youliang TIAN, Xianrong LIU, Xin ZHANG, Zinan ZHOU, Yao LU
  • Publication number: 20240012318
    Abstract: Provided is a light source, comprising at least one laser array, a light combining assembly, and a fly-eye lens; wherein the at least one laser array is configured to emit at least two colors of laser light; the light combining assembly is disposed on a light-output side of the at least one laser array and is configured to guide the laser light emitted from the at least one laser array to the fly-eye lens; the fly-eye lens is disposed on a light-output side of the light combining assembly and is configured to homogenize the laser light emitted from the at least one laser array; wherein the fly-eye lens comprises: a substrate; a plurality of first microlenses disposed on a light-incident surface of the substrate; and a plurality of second microlenses disposed on a light-output surface of the substrate.
    Type: Application
    Filed: September 21, 2023
    Publication date: January 11, 2024
    Inventors: Ke Yan, Youliang Tian, Wei Li, Xianrong Liu
  • Publication number: 20230350280
    Abstract: A projection apparatus includes a housing, a laser source, a projection lens, and a light modulation assembly. The housing includes a first opening and a second opening, a laser-exit side of the laser source faces towards the first opening, and a laser inlet side of the projection lens faces towards the second opening. The light modulation assembly includes a lens group, a prism group, a digital micromirror device, and a light-transmitting optical element. A second laser-exit side of the prism group faces towards the second opening, and an orthogonal projection of the laser inlet side of the projection lens on the prism group is within a region where the second laser-exit side of the prism group is located. The light-transmitting optical element is disposed in the housing and is located between the digital micromirror device and the prism group.
    Type: Application
    Filed: July 12, 2023
    Publication date: November 2, 2023
    Applicant: HISENSE LASER DISPLAY CO., LTD
    Inventors: Jianjun LI, Xiaoping LI, Xianrong LIU, Yongda HUANG
  • Publication number: 20230336697
    Abstract: A laser projection apparatus includes a housing, a detecting device, a projection screen, and a control assembly. The control assembly is configured to: determine a target position of a target object according to a detecting signal received by the detecting device at a first moment; if determining that the target position of the target object is within at least one threshold range, superimpose a second image on a first image on the projection screen, control the second image to show that the first image is adjusted after a target duration, and adjust at least one of the image content or the audio content corresponding to the projected image.
    Type: Application
    Filed: June 8, 2023
    Publication date: October 19, 2023
    Applicant: HISENSE LASER DISPLAY CO., LTD
    Inventors: Tiantian TANG, Xianrong LIU
  • Publication number: 20230098832
    Abstract: Disclosed by the present application are a laser projection device and projection display method thereof, belonging to the technical field of laser projection. The laser projection device may comprise: a light source, a light modulation device, and a projection lens. The light source is used for providing an illumination beam. The light modulation device is used for modulating the illumination beam, at least two illumination beams being incident on at least two light-reflecting surfaces of the light modulating device, the light-reflecting surface types of the at least two light-reflecting surfaces being different, and the at least two illumination beams after modulation being of different light intensity; the projection lens is used for projecting the modulated illumination beam for imaging. The described laser projection device improves the display of the projected image.
    Type: Application
    Filed: November 9, 2022
    Publication date: March 30, 2023
    Inventors: Zhen WANG, Dabo GUO, Xianrong LIU
  • Patent number: 10459324
    Abstract: The light source device includes a laser for generating laser light, a fluorescent wheel, a filter wheel and a control unit. The fluorescent wheel includes a reflection section, and a transmission section. First and second phosphors are attached on a surface of the reflection section, and the first phosphor is excited by the laser light to emit yellow light and the second phosphor is excited by the laser light to emit green light. The filter wheel comprises a transparent section, a red filter section and a green filter section. The control unit controls the fluorescent wheel and the filter wheel to rotate in synchronization. the laser light emitted from the transmission section of the fluorescent wheel and a part of the yellow light enter into the transparent section, another part of the yellow light enter into the red filter section, and the green light enter into the green filter section.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: October 29, 2019
    Assignees: Hisense Co., Ltd., Hisense USA Corporation, Hisense International Co., Ltd.
    Inventors: Fei Zhao, Wei Li, Xianrong Liu
  • Patent number: 10459326
    Abstract: A dual-color projector is disclosed that includes a blue laser device configured to emit a blue laser light, a red laser device configured to emit a red laser light, and a fluorescent wheel whose surface is coated with green fluorescent powder which is excitable by the blue laser light to emit a green fluorescent light. The dual-color projector may also include a first diffusion element and a second diffusion element.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: October 29, 2019
    Assignees: Hisense Co., Ltd., Hisense International Co., Ltd., Hisense USA Corp.
    Inventors: Youliang Tian, Xianrong Liu, Wei Li
  • Patent number: 10451960
    Abstract: A laser light source is disclosed that includes a laser device, a first diffusion element, a fluorescence wheel, and a second diffusion element. The fluorescence wheel emits a fluorescent light when excited by the laser light, and before reaching the fluorescence wheel, the laser light emitted by the laser device is transmitted through the first diffusion element that is fixedly arranged. As the second diffusion plate rotates about its axis, the laser light from the first diffusion element and the fluorescent light from the fluorescence wheel transmit through the second diffusion plate.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: October 22, 2019
    Assignees: Hisense Co., Ltd., Hisense International Co., Ltd., Hisense USA Corp.
    Inventors: Youliang Tian, Xianrong Liu, Wei Li
  • Patent number: 10317782
    Abstract: A laser projection display device, relating to the technical field of laser, including a laser light source having a light source shell, an airtight device fixed on an inner wall of the light source shell, and a laser device provided in the interior of the airtight device. The airtight device having a sealing housing and a gas pressure adjustment structure, the sealing housing is fixed on an inner wall of the light source shell, the gas pressure adjustment structure is arranged on one side of the sealing housing, the sealing housing is communicated with the gas pressure adjustment structure, and the gas pressure adjustment structure is configured to adjust the volume of the airtight device.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: June 11, 2019
    Assignees: HISENSE CO., LTD., HISENSE USA CORP., HISENSE INTERNATIONAL CO., LTD.
    Inventors: Xianrong Liu, Youliang Tian
  • Publication number: 20190129290
    Abstract: A dual-color projector is disclosed that includes a blue laser device configured to emit a blue laser light, a red laser device configured to emit a red laser light, and a fluorescent wheel whose surface is coated with green fluorescent powder which is excitable by the blue laser light to emit a green fluorescent light. The dual-color projector may also include a first diffusion element and a second diffusion element.
    Type: Application
    Filed: December 27, 2018
    Publication date: May 2, 2019
    Applicants: Hisense Co., Ltd., Hisense International Co., Ltd., Hisense USA Corp.
    Inventors: Youliang Tian, Xianrong Liu, Wei Li
  • Patent number: 10248012
    Abstract: This disclosure provides a laser speckle-removing optical component, including a beam-shrinking lens group and a diffusion sheet arranged on a laser emergent optical path, where the beam-shrinking lens group includes a first beam-shrinking lens and a second beam-shrinking lens, and the diffusion sheet is located between the first beam-shrinking lens and the second beam-shrinking lens, and a distance between the diffusion sheet and the first beam-shrinking lens is shorter than a focal length of the first beam-shrinking lens. The arrangement of the diffusion sheet between the first beam-shrinking lens and the second beam-shrinking lens is able to alleviate the accumulation phenomenon of dust particles on the diffusion sheet, therefore, alleviating light attenuation phenomenon, and prolonging the service life of the laser source. This disclosure also provides a double-color laser source, a three-color laser source and a laser projection equipment applying the above laser speckle-removing optical component.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: April 2, 2019
    Assignees: HISENSE CO., LTD., HISENSE USA CORPORATION, HISENSE INTERNATIONAL CO., LTD.
    Inventors: Youliang Tian, Xianrong Liu, Qiang Wang
  • Patent number: 10197901
    Abstract: Methods and apparatuses that provide a technical solution for handling a microphone operation request from more than one application is disclosed. The technical solution for processing data obtained by a microphone of a terminal device includes receiving an audio recording start command sent by a second application running on the terminal while the microphone is being used by a first application running on the terminal. The technical solution further includes assigning an unoccupied data receiving port to the second application, acquiring and broadcasting audio recording data collected by the microphone through a data sending port, receiving the audio recording data by the assigned data receiving port, and sending the audio recording data to the second application by the assigned data receiving port.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: February 5, 2019
    Assignees: Hisense Co., Ltd., Hisense International Co., Ltd., Hisense USA Corp.
    Inventors: Youliang Tian, Xianrong Liu, Wei Li
  • Publication number: 20190025684
    Abstract: The light source device includes a laser for generating laser light, a fluorescent wheel, a filter wheel and a control unit. The fluorescent wheel includes a reflection section, and a transmission section. First and second phosphors are attached on a surface of the reflection section, and the first phosphor is excited by the laser light to emit yellow light and the second phosphor is excited by the laser light to emit green light. The filter wheel comprises a transparent section, a red filter section and a green filter section. The control unit controls the fluorescent wheel and the filter wheel to rotate in synchronization. the laser light emitted from the transmission section of the fluorescent wheel and a part of the yellow light enter into the transparent section, another part of the yellow light enter into the red filter section, and the green light enter into the green filter section.
    Type: Application
    Filed: September 21, 2018
    Publication date: January 24, 2019
    Inventors: Fei Zhao, Wei Li, Xianrong Liu