Patents by Inventor Biao Xu

Biao Xu 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: 20220230589
    Abstract: The present application discloses a method, a device, a display device and a medium for improving OLED residual images. The method for improving OLED residual images includes obtaining a life attenuation rate relationship and a life attenuation degree relationship of an OLED display panel, dividing a display area of the display panel into a plurality of sub-areas to monitor temperature change and gray scale change of each sub-area respectively, obtaining a temperature value and a gray scale value of each sub-area at a current moment, calculating a current life attenuation rate according to the temperature value and the gray scale value, and calculating a current luminous time of each sub-area, calculating a life attenuation degree of each sub-area according to the current luminous time of each sub-area, and performing pixel compensation to each sub-area respectively according to the current life attenuation degree of each sub-area.
    Type: Application
    Filed: September 28, 2021
    Publication date: July 21, 2022
    Inventors: Biao XU, Pohsien WU, Shuang ZHAO
  • Patent number: 11385439
    Abstract: The present disclosure discloses an imaging lens assembly including, sequentially from an object side to an image side along an optical axis, a first lens, a second lens, a third lens, a fourth lens and a fifth lens. Here, the first lens has a positive refractive power, and an object-side surface thereof is a convex surface, and an image-side surface thereof is also a convex surface; the second lens has a negative refractive power; the third lens has a positive refractive power, and an object-side surface thereof is a concave surface; the fourth lens has a positive refractive power; the fifth lens has a negative refractive power and an object-side surface thereof is a concave surface and an image-side surface thereof is a concave surface; and the imaging lens assembly satisfies 3?T34/T23 ?7.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: July 12, 2022
    Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD.
    Inventors: Biao Xu, Kaiyuan Zhang, Lin Huang
  • Publication number: 20220165517
    Abstract: A key structure includes a keycap, a base plate, a first scissors-type connecting element, a second scissors-type connecting element and a reinforced connecting rod. The first and second scissors-type connecting elements are arranged between the keycap and the base plate. The first scissors-type connecting element includes a first inner frame and a first outer frame. The second scissors-type connecting element includes a second inner frame and a second outer frame. The keycap is movable upwardly or downwardly relative to the base plate along a specified path with the assistance of the first and second scissors-type connecting elements. The reinforced connecting rod includes a hollow rectangular main body. The first outer frame has a first extension structure. The second outer frame has a second extension structure. Moreover, two opposite sides of the hollow rectangular main body are respectively received within the first extension structure and the second extension structure.
    Type: Application
    Filed: February 2, 2021
    Publication date: May 26, 2022
    Inventors: De-Guang Zhu, Rong-Biao Xu
  • Patent number: 11342139
    Abstract: A key structure includes a keycap, a base plate, a first scissors-type connecting element, a second scissors-type connecting element and a reinforced connecting rod. The first and second scissors-type connecting elements are arranged between the keycap and the base plate. The first scissors-type connecting element includes a first inner frame and a first outer frame. The second scissors-type connecting element includes a second inner frame and a second outer frame. The keycap is movable upwardly or downwardly relative to the base plate along a specified path with the assistance of the first and second scissors-type connecting elements. The reinforced connecting rod includes a hollow rectangular main body. The first outer frame has a first extension structure. The second outer frame has a second extension structure. Moreover, two opposite sides of the hollow rectangular main body are respectively received within the first extension structure and the second extension structure.
    Type: Grant
    Filed: February 2, 2021
    Date of Patent: May 24, 2022
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: De-Guang Zhu, Rong-Biao Xu
  • Publication number: 20220037432
    Abstract: Provided is a pixel defining layer of an organic light-emitting diode display panel. The pixel defining layer includes: an insulating transparent cladding layer; and a reflecting layer in the transparent cladding layer, wherein the reflecting layer is configured to reflect light emitted from a light-emitting layer of the organic light-emitting diode display panel. Organic light-emitting diode display panels and methods for manufacturing an organic light-emitting diode display panel are also provided.
    Type: Application
    Filed: June 5, 2020
    Publication date: February 3, 2022
    Inventors: Biao Xu, Hungchieh Hu, Heng Yang
  • Publication number: 20210365295
    Abstract: The aspects of the present disclosure provide a method and an apparatus for implementing hardware resource allocation. For example, the apparatus includes processing circuitry. The processing circuitry obtains a first value that is indicative of an allocable resource quantity of a hardware resource in a computing device. The processing circuitry also receives a second value that is indicative of a requested resource quantity of the hardware resource by a user, and then determines whether the second value is greater than the first value. When the second value is determined to be less than or equal to the first value, the processing circuitry requests the computing device to allocate the hardware resource of the requested resource quantity to the user, and subtracts the second value from the first value to update the allocable resource quantity of the hardware resource in the computing device.
    Type: Application
    Filed: August 6, 2021
    Publication date: November 25, 2021
    Applicant: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Guwu YI, Biao XU, Fan YANG, Jue WANG, Rui YANG
  • Patent number: 11169362
    Abstract: The present disclosure discloses an optical imaging lens assembly. The lens assembly sequentially includes, along an optical axis from an object side to an image side: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens, each of the first to seventh lenses having refractive powers. The first lens has a negative refractive power, an object-side surface of the first lens is a convex surface, and an image-side surface of the first lens is a concave surface; an image-side surface of the third lens is a concave surface; an object-side surface of the seventh lens is a concave surface; and a total effective focal length f of the optical imaging lens assembly, an effective focal length f4 of the fourth lens, and an effective focal length f5 of the fifth lens satisfy: |f/f4|+|f/f5|<1.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: November 9, 2021
    Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD
    Inventors: Kaiyuan Zhang, Ming Li, Biao Xu
  • Patent number: 11167006
    Abstract: Provided are nine multi-target polypeptides of an opioid and a neuropeptide FF receptor, where an amino acid is replaced on the basis of opioid peptide biphalin- and NPFF-based chimeric peptide BN-9, and acquired are the multi-target polypeptides capable of concurrently activating various opioid and NPFF system receptors.
    Type: Grant
    Filed: April 13, 2017
    Date of Patent: November 9, 2021
    Assignee: Shanghai Tianci Life Science Development Co., Ltd.
    Inventors: Rui Wang, Quan Fang, Zilong Wang, Biao Xu
  • Publication number: 20210335989
    Abstract: A display substrate, a method of forming a display substrate and a display device are provided.
    Type: Application
    Filed: November 29, 2019
    Publication date: October 28, 2021
    Inventors: Yongfu DIAO, Chenyu CHEN, Biao XU
  • Patent number: 11132229
    Abstract: The aspects of the present disclosure provide a method and an apparatus for implementing hardware resource allocation. For example, the apparatus includes processing circuitry. The processing circuitry obtains a first value that is indicative of an allocable resource quantity of a hardware resource in a computing device. The processing circuitry also receives a second value that is indicative of a requested resource quantity of the hardware resource by a user, and then determines whether the second value is greater than the first value. When the second value is determined to be less than or equal to the first value, the processing circuitry requests the computing device to allocate the hardware resource of the requested resource quantity to the user, and subtracts the second value from the first value to update the allocable resource quantity of the hardware resource in the computing device.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: September 28, 2021
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Guwu Yi, Biao Xu, Fan Yang, Jue Wang, Rui Yang
  • Publication number: 20210286152
    Abstract: A camera lens assembly, sequentially from an object side to an image side along an optical axis, includes: a first lens having a negative refractive power; a second lens having a positive refractive power, an object-side surface thereof is a convex surface, and an image-side surface thereof is a concave surface; a third lens having a positive refractive power, and an object-side surface thereof is a convex surface; a fourth lens having a negative refractive power, and an image-side surface thereof is a concave surface; a fifth lens having a positive refractive power; and a sixth lens having a negative refractive power, and at least one of an object-side surface and an image-side surface thereof has an inflection point. Half of a maximal field-of-view HFOV of the camera lens assembly satisfies: HFOV?55°.
    Type: Application
    Filed: November 20, 2018
    Publication date: September 16, 2021
    Applicant: Zhejiang Sunny Optical Co., Ltd.
    Inventors: Yuanlin JIA, Kaiyuan ZHANG, Biao XU
  • Patent number: 11112586
    Abstract: An optical imaging lens assembly is provided. The optical imaging lens assembly includes, sequentially along an optical axis from an object side to an image side: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens. The first lens has a positive refractive power, an object-side surface of the first lens is a convex surface; each of the second lens, the third lens, the fourth lens, and the fifth lens has a positive refractive power or a negative refractive power; the sixth lens has a positive refractive power; the seventh lens has a negative refractive power; an image-side surface of the first lens, an image-side surface of the third lens, and an object-side surface and an image-side surface of the seventh lens are concave surfaces; and TTL and ImgH satisfy: TTL/ImgH?1.4.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: September 7, 2021
    Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD
    Inventors: Biao Xu, Kaiyuan Zhang, Jianke Wenren
  • Publication number: 20210255432
    Abstract: The disclosure discloses a photographic optical system, sequentially includes from an object side to an image side along an optical axis: a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens. Wherein the first lens has a positive refractive power, an object-side surface thereof is a convex surface, an image-side surface is a concave surface. The second lens has a negative refractive power, an object-side surface thereof is a convex surface, an image-side surface is a concave surface. The sixth lens has a negative refractive power. TTL is a distance from the object-side surface of the first lens to an imaging surface of the photographic optical system on the optical axis and ImgH is a half the diagonal length of an effective pixel area on the imaging surface of the photographic optical system, and TTL and ImgH satisfy TTL/ImgH<1.5.
    Type: Application
    Filed: July 11, 2019
    Publication date: August 19, 2021
    Inventors: Kaiyuan ZHANG, Biao XU, Lin HUANG
  • Patent number: 11003639
    Abstract: A method of database data migration is described. A migration task of migrating data from a source database to a target database can be obtained. The migration task can include a network type of a source network with which the source database is connected. The target database can be located in a cloud environment. A network connectivity policy is determined according to the network type of the source network of the source database. The network policy can indicate a configuration of a communication link between the source database and the target database. The communication link between the source database and the target database can be configured according to the network connectivity policy, such that the data can be migrated from the source database to the target database via the communication link.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: May 11, 2021
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Jue Wang, Guwu Yi, Liang Ni, Fan Yang, Biao Xu, Rui Yang
  • Publication number: 20210132340
    Abstract: The present disclosure discloses an optical imaging system, sequentially from an object side to an image side of the optical imaging system along an optical axis, including: a first lens having refractive power; a second lens having negative refractive power; a third lens having refractive power; a fourth lens having positive refractive power; a fifth lens having refractive power; a sixth lens having refractive power; and a seventh lens having refractive power, a concave object-side surface, and a concave image-side surface. Half of a diagonal length ImgH of an effective pixel area on an imaging plane of the optical imaging system may satisfy ImgH>6.0 mm. A total effective focal length f of the optical imaging system and an entrance pupil diameter EPD of the optical imaging system may satisfy f/EPD<1.9.
    Type: Application
    Filed: September 30, 2020
    Publication date: May 6, 2021
    Applicant: Zhejiang Sunny Optical Co., Ltd
    Inventors: Xiaofang WANG, Biao XU, Kaiyuan ZHANG, Fujian DAI, Liefeng ZHAO
  • Publication number: 20210109317
    Abstract: An optical imaging system includes an optical lens group including, sequentially along an optical axis from an object side to an image side, a first lens, a second lens, a third lens, and a fourth lens; a lens barrel, the optical lens group is accommodated in the lens barrel; and a plurality of spacers including at least two spacers disposed between the third lens and the fourth lens; the diameter D of the lens barrel at an end towards the object side and a maximum effective radius DT11 of an object-side surface of the first lens satisfy 2×DT11/D?0.5.
    Type: Application
    Filed: September 21, 2020
    Publication date: April 15, 2021
    Inventors: Xiaofang WANG, Guijie ZHU, Biao XU, Qi CHEN, Kaiyuan ZHANG, Fujian DAI, Liefeng ZHAO
  • Patent number: 10942334
    Abstract: The present disclosure discloses an optical imaging lens assembly. The optical imaging lens assembly includes, sequentially from an object side to an image side along an optical axis, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens. The first lens has a positive refractive power and a convex object-side surface. The second lens has a negative refractive power. The third lens has a positive refractive power. Each of the fourth lens and the fifth lens has a positive refractive power or a negative refractive power. The sixth lens has a positive refractive power. The seventh lens has a negative refractive power, a concave object-side surface and a concave image-side surface. A combined focal length f12 of the first and second lenses and a combined focal length f34 of the third and fourth lenses satisfy: |f12/f34|?0.3.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: March 9, 2021
    Assignee: Zhejiang Sunny Optical Co., Ltd
    Inventors: Biao Xu, Kaiyuan Zhang, Jianke Wenren
  • Publication number: 20210063689
    Abstract: The present disclosure discloses an optical imaging lens group including, sequentially from an object side to an image side along an optical axis, a first lens having positive refractive power with a convex object-side surface; a second lens having refractive power; a third lens having refractive power; a fourth lens having refractive power; a fifth lens having refractive power; and a sixth lens having negative refractive power with a concave object-side surface and a convex image-side surface. A total effective focal length f of the optical imaging lens group, an entrance pupil diameter EPD of the optical imaging lens group and half of a maximal field-of-view Semi-FOV of the optical imaging lens group satisfy: f/EPD<2, and f*tan(Semi-FOV)>4.5 mm.
    Type: Application
    Filed: August 18, 2020
    Publication date: March 4, 2021
    Applicant: Zhejiang Sunny Optical Co., Ltd.
    Inventors: Biao XU, Kaiyuan ZHANG, Xiaofang WANG, Fujian DAI, Liefeng ZHAO
  • Publication number: 20210048638
    Abstract: The present disclosure discloses an optical imaging lens assembly including, sequentially from an object side to an image side along an optical axis, a first lens having positive refractive power; a second lens having negative refractive power; a third lens having refractive power; a fourth lens having refractive power; a fifth lens having refractive power with a convex object-side surface; a sixth lens having positive refractive power with a convex object-side surface a convex image-side surface; and a seventh lens having negative refractive power, wherein a distance TTL along the optical axis from an object-side surface of the first lens to an imaging plane of the optical imaging lens assembly and half of a diagonal length ImgH of an effective pixel area on the imaging plane of the optical imaging lens assembly satisfy ImgH/(TTL/ImgH)>5.0 mm.
    Type: Application
    Filed: August 10, 2020
    Publication date: February 18, 2021
    Applicant: Zhejiang Sunny Optical Co., Ltd
    Inventors: Chen CHEN, Kaiyuan ZHANG, Biao XU, Fujian DAI, Liefeng ZHAO
  • Publication number: 20210003829
    Abstract: An optical imaging lens group includes a first lens through a seventh lens sequentially arranged from an object side to an image side along an optical axis. The first lens has positive refractive power, and object-side and image-side surfaces thereof are a convex surface and a concave surface, respectively. The second lens has negative refractive power, and object-side and image-side surfaces of the second lens are a convex surface and a concave surface, respectively. The fourth and fifth lenses both have refractive power. The third and sixth lenses both have positive refractive power. The seventh lens has negative refractive power, and an object-side surface thereof has a concave surface. A distance along the optical axis TTL from the object-side surface of the first lens to an imaging plane and half of a diagonal length ImgH of an effective pixel area on the imaging plane satisfy TTL/ImgH<1.3.
    Type: Application
    Filed: September 24, 2020
    Publication date: January 7, 2021
    Inventors: Fujian DAI, Kaiyuan ZHANG, Biao XU