Patents by Inventor Guang Yan

Guang Yan 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: 20210333794
    Abstract: A method for supporting aerial operation over a surface includes obtaining a representation of the surface that comprises a plurality of flight sections, and identifying a flight path based on the representation of the surface. The flight path allows an aircraft, when following the flight path, to conduct an operation over the flight sections.
    Type: Application
    Filed: May 24, 2021
    Publication date: October 28, 2021
    Inventors: Xumin WU, Guang YAN, Zhuang FENG, Meng HU, Zefei LI, Mingxi WANG, Renli SHI
  • Publication number: 20210320152
    Abstract: The present disclosure provides an organic light-emitting diode display substrate, a method of preparing the same, and a display device. The organic light-emitting diode display substrate includes: a light-emitting layer, a light modulation layer, and a color conversion layer, in which the light-emitting layer is configured to emit first color light, the light modulation layer and the color conversion layer are arranged on different light-exiting paths of the light-emitting layer, the color conversion layer is configured to convert first color light into second color light and third color light, and the light modulation layer is configured to modulate an emergent direction of first color light.
    Type: Application
    Filed: June 21, 2021
    Publication date: October 14, 2021
    Inventors: Guang YAN, Changyen WU, Juanjuan YOU, Linlin WANG
  • Patent number: 11126202
    Abstract: An obstacle-avoidance control method comprises acquiring a distance between an unmanned aerial vehicle (UAV) and a front object in a flying direction of the UAV; and controlling a flying altitude of the UAV according to the distance between the UAV and the front object.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: September 21, 2021
    Assignee: SZ DJI TECHNOLOGY CO., LTD.
    Inventors: Yao Zou, Chunming Wang, Junxi Wang, Guang Yan
  • Publication number: 20210286378
    Abstract: A spray operation method includes obtaining two-dimensional position information of a target area and a three-dimensional model of the target area, and obtaining an operation route according to the two-dimensional position information and the three-dimensional model, where the operation route includes a plurality of waypoints, and at least one of the waypoints is associated with altitude information.
    Type: Application
    Filed: June 2, 2021
    Publication date: September 16, 2021
    Inventors: Jinsong LI, Guang YAN
  • Publication number: 20210274774
    Abstract: A control method includes obtaining a linear speed of one operation member of a plurality of operation members of an agricultural mechanical device when the agricultural mechanical device is making a curvilinear movement, determining an operation rate of the one operation member according to the linear speed of the one operation member, and controlling the one operation member to perform an operation according to the operation rate of the one operation member. The plurality of operation members are located at different positions in a direction perpendicular to a moving direction of the agricultural mechanical device.
    Type: Application
    Filed: May 21, 2021
    Publication date: September 9, 2021
    Inventors: Guoxiu PAN, Zijing CHANG, Guang YAN
  • Patent number: 11107864
    Abstract: The present disclosure provides an organic light-emitting diode display substrate, a method of preparing the same, and a display device. The organic light-emitting diode display substrate includes: a light-emitting layer, a light modulation layer, and a color conversion layer, in which the light-emitting layer is configured to emit first color light, the light modulation layer and the color conversion layer are arranged on different light-exiting paths of the light-emitting layer, the color conversion layer is configured to convert first color light into second color light and third color light, and the light modulation layer is configured to modulate an emergent direction of first color light.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: August 31, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guang Yan, Changyen Wu, Juanjuan You, Linlin Wang
  • Publication number: 20210245880
    Abstract: A control method includes obtaining three-dimensional (3D) spatial information of a target crop area planted with a plurality of target crops; determining spraying control information based on the 3D spatial information; and controlling a spraying unmanned aerial vehicle (UAV) to perform spraying on the plurality of target crops based on the spraying control information. The spraying control information includes a spraying mode for controlling the spraying UAV to perform spraying on one target crop of the plurality of target crops, and the spraying mode includes a flight mode.
    Type: Application
    Filed: April 29, 2021
    Publication date: August 12, 2021
    Inventors: Guang YAN, Xianghua JIA, Dongdong MA, Xinchao LI, Jinsong LI
  • Patent number: 11087688
    Abstract: Embodiments of the present disclosure provide a driving method for a pixel circuit. The pixel circuit includes a light emitting device and a drive transistor. The method includes: compensating the drive transistor in a first compensation manner including an internal voltage compensation during an operation period of the light emitting device; and compensating the drive transistor in a second compensation manner including the internal voltage compensation and an external voltage compensation during a non-operation period of the light emitting device.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: August 10, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yi-Cheng Lin, Guang Yan, Quanhu Li, Mingi Chu
  • Publication number: 20210233984
    Abstract: The embodiment of the present disclosure discloses an array substrate, a fabrication method thereof, and a display device. The array substrate includes: a base substrate and a plurality of pixel units on the base substrate, wherein the pixel unit includes a plurality of sub-pixels; and the sub-pixel includes an electroluminescent component, a pixel circuit and a photo detection circuit; the pixel circuit includes a drive transistor for driving the electroluminescent component to emit light, and the drive transistor is a low temperature poly-si thin film transistor; and the photo detection circuit includes a detection switch transistor and a PIN-type photodiode, and the detection switch transistor is a metal oxide transistor.
    Type: Application
    Filed: April 19, 2019
    Publication date: July 29, 2021
    Inventors: Ling WANG, Yi-Cheng LIN, Guang YAN
  • Publication number: 20210233964
    Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. The display substrate includes a base substrate and a white OLED display unit on the base substrate, and further includes: an optical adjustment structure on a light emitting side of the white OLED display unit, where the optical adjustment structure is in a peripheral region of each pixel region. The optical adjustment structure is configured to absorb light in a first wavelength range or convert light in a first wavelength range into light in a second wavelength range.
    Type: Application
    Filed: April 9, 2020
    Publication date: July 29, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guang YAN, Changyen WU, Linlin WANG, Yongqi SHEN, Juanjuan YOU, Li SUN
  • Publication number: 20210210731
    Abstract: The present disclosure provides an OLED display panel and an OLED display device, and belongs to the field of display technology. The OLED display panel of the present disclosure includes a base substrate and a display cover disposed opposite to each other; a polarizing layer disposed between the base substrate and the display cover; a light extraction layer disposed between the base substrate and the display cover; the OLED display panel is provided with a light exit surface, and the light extraction layer is closer to the light exit surface than the polarizing layer.
    Type: Application
    Filed: January 19, 2020
    Publication date: July 8, 2021
    Inventors: Changyen WU, Guang YAN, Wenfeng SONG, Linlin WANG
  • Publication number: 20210167310
    Abstract: The present disclosure provides a quantum dot film including a plurality of quantum dot material layers arranged in stack, the plurality of quantum dot material layers having refractive indices gradually ascending along a thickness direction of the quantum dot film. The present disclosure further provides a color filter layer and a display device.
    Type: Application
    Filed: May 29, 2020
    Publication date: June 3, 2021
    Inventors: Juanjuan YOU, Li SUN, Guang YAN
  • Patent number: 11016488
    Abstract: A method for supporting aerial operation over a surface includes obtaining a representation of the surface that comprises a plurality of flight sections, and identifying a flight path based on the representation of the surface. The flight path allows an aircraft, when following the flight path, to conduct an operation over the flight sections.
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: May 25, 2021
    Assignee: SZ DJI TECHNOLOGY CO., LTD.
    Inventors: Xumin Wu, Guang Yan, Zhuang Feng, Meng Hu, Zefei Li, Mingxi Wang, Renli Shi
  • Patent number: 11011586
    Abstract: The present application discloses a display substrate including a plurality of pixels arranged in an array of matrix. Each of the plurality of pixels includes several OLED devices emitting light of different color. Each OLED device includes at least a first electrode, a second electrode, and an emitting layer located between the first electrode and the second electrode. At least one layer in either part of the first electrode or the emitting layer forming a microcavity characterized by an optical length. Any two OLED devices emitting light of same color in two adjacent pixels of the plurality of pixels have two microcavities respectively with different optical lengths. At least one OLED device emitting any one colored light in any one pixel of the plurality of pixels has a microcavity with different optical length from other OLED devices emitting light of different color in the same one pixel.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: May 18, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xing Fan, Guang Yan, Lintao Zhang, Zheng Liu
  • Patent number: 11011118
    Abstract: The present application discloses a pixel-driving circuit in a display panel. The pixel-driving circuit includes a first transistor being provided with a fixed voltage, a driving transistor having a gate configured to receive the fixed voltage controlled by the first transistor and a drain coupled to a first power supply, a capacitor coupled between the gate and a source of the driving transistor, a light-emitting device coupled to the source and a second power supply, a second transistor having a drain coupled to the source of the driving transistor and a source coupled to a data line, a sensing sub-circuit coupled to the data line in a first period, and a driving sub-circuit coupled to the data line in a second period. The sensing sub-circuit and the driving sub-circuit are configured to connect to the data line in a time-divisional manner respectively for sensing and compensating the pixel-driving circuit.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: May 18, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yicheng Lin, Quanhu Li, Guang Yan, Yu Wang, Cuili Gai, Mingi Chu
  • Patent number: 10991901
    Abstract: This disclosure relates to an organic electroluminescent device, comprising: a light emitting layer comprising a plurality of light emitting regions arranged in an array, each light emitting region being an organic electroluminescent region; an electron transport layer, a cathode and a transflective layer successively disposed in a first direction from the light emitting layer towards a light emergent side of the organic electroluminescent device starting from the light emitting layer; and a hole transport layer, an anode and a reflective layer successively disposed in a second direction opposite to the first direction starting from the light emitting layer. In addition, in a projection region of at least one light emitting region on the hole transport layer, the hole transport layer has at least two portions of different thicknesses for selecting a wavelength range of light emitted by the at least one light emitting region and/or enhancing the emitted light.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: April 27, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xing Fan, Guang Yan
  • Patent number: 10977992
    Abstract: A driving compensation method for a pixel circuit includes: in a compensation phase of the pixel circuit, providing a preset signal to the control terminal of the driving transistor to write the preset signal to the control terminal of the driving transistor, to write internal loss voltage of the driving transistor to the first terminal of the driving transistor; wherein the compensation phase includes a first external compensation phase and a second external compensation phase; in the first external compensation phase, the preset signal is a sum of a reference signal and a threshold voltage of the driving transistor; in the second external compensation phase, the preset signal is the sum of the data signal and the threshold voltage of the driving transistor.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: April 13, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yicheng Lin, Yu Wang, Ling Wang, Pan Xu, Cuili Gai, Baoxia Zhang, Guang Yan, Dongfang Yang
  • Patent number: 10964758
    Abstract: A pixel unit, a display panel, a display device and a method of manufacturing a pixel unit. The pixel unit includes a first sub-pixel unit and a second sub-pixel unit, each sub-pixel unit includes a first electrode, an emission layer, and a second electrode stacked on a substrate. An emission lifespan of the emission layer of the first sub-pixel unit is smaller than that of the emission layer of the second sub-pixel unit. An area of an orthographic projection of the emission layer of the first sub-pixel unit on the substrate is equal to that of the emission layer of the second sub-pixel unit on the substrate. An area of an orthographic projection of the first electrode of the first sub-pixel unit on the substrate is greater than an area of an orthographic projection of the first electrode of the second sub-pixel unit on the substrate.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: March 30, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guang Yan, Wenjun Hou, Juanjuan You, Donghui Yu, Chunjing Hu, Yongqi Shen, Dongfang Yang
  • Publication number: 20210028402
    Abstract: A display substrate includes a base and blue light-emitting units disposed on the base. A blue light-emitting unit includes a first electrode, a first light-emitting layer and a second electrode that are sequentially disposed on the base. Of the first electrode and the second electrode, one electrode is configured to reflect light, and another electrode is configured to transmit light. The first light-emitting layer is configured to emit light having a spectrum whose full width at half maximum is less than or equal to 16 nm.
    Type: Application
    Filed: February 4, 2020
    Publication date: January 28, 2021
    Inventors: Linlin WANG, Guang YAN
  • Publication number: 20200411221
    Abstract: A magnetic platform which is adaptable for receiving trays of different sizes and types includes a base and a plurality of first magnets. The first magnets are fixed and held to the base by magnetic attraction. The positions of the first magnets on the base can be changed to accommodate different trays.
    Type: Application
    Filed: September 6, 2019
    Publication date: December 31, 2020
    Inventor: Chun-Guang Yan