Patents by Inventor Liangliang Liu

Liangliang 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: 20250072201
    Abstract: A light emitting device, a display substrate and a display device, relate to the technical field of displaying. The light emitting device including: a plurality of luminescent layers, wherein each of the plurality of luminescent layers includes at least one subject sublayer and at least one object sublayer, and the at least one subject sublayer and the at least one object sublayer are disposed alternately; wherein thicknesses of at least a part of subject sublayers are greater than or equal to a thickness of the object sublayer. The concentration quenching phenomenon of the luminescent layer in the light emitting device is improved, the luminous efficiency is improved, and the service life of the device is extended.
    Type: Application
    Filed: November 24, 2022
    Publication date: February 27, 2025
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Xiaoyun Liu, Liangliang Kang, Xiaohu Li
  • Patent number: 12238843
    Abstract: A lighting apparatus includes an external controller, a first LED module, a second LED module, a rectifier, a power switch, a manual switch, a light housing and an allocation module. The external controller converts an external signal of an external wall switch to a light intensity signal. The external controller is coupled to the external wall switch. The wall switch is a continuous switch for a user to select a continuous value from a range. The first LED module and the second LED module emit lights of different color temperatures. The rectifier for converts an AC power to a DC power. The power switch is coupled to the rectifier for generating a driving current corresponding to the light intensity signal. The manual switch selects a color temperature setting.
    Type: Grant
    Filed: February 28, 2023
    Date of Patent: February 25, 2025
    Assignee: XIAMEN ECO LIGHTING CO. LTD.
    Inventors: Chunyu Pei, Zongyan Liu, Bin Liu, Yueqiang Zhang, Liangliang Cao
  • Patent number: 12235547
    Abstract: Provided is a liquid crystal display panel. The liquid crystal display panel includes: a first substrate and a second substrate that are opposite to each other, and a liquid crystal layer between the first substrate and the second substrate. The liquid crystal display panel includes a plurality of sub-pixel regions. Each of the plurality of sub-pixel regions includes 4N sub-pixel sub-regions arranged in a single column, and the 4N sub-pixel sub-regions are organized into one group, or a plurality of groups that are adjacent to each other. A same group of sub-pixel sub-regions includes two first sub-regions and two second sub-regions. N is an integer greater than or equal to 1.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: February 25, 2025
    Assignees: CHENGDU BOE DISPLAY SCI-TECH CO., LTD., BOE Technology Group Co., Ltd.
    Inventors: Shaoping Zhang, Jia Liu, Chao Tong, Ning Miao, Ying Wang, Liangliang Li, Bin Luo, Jiajin Liu
  • Patent number: 12238832
    Abstract: A lighting apparatus includes a first light source, a second light source and a driver. The first light source has multiple first LED modules. The second light source has multiple second LED modules. The driver controls the first light source and the second light source to generate an output light of a required mixed color temperature. The driver selects a first subset of the multiple first LED modules and a second subset of the multiple second LED modules to generate a first output light with a first color temperature. The driver selects a third subset of the multiple first LED modules and a fourth subset of the multiple second LED modules to generate a second output light with a second color temperature. The first subset is not equal to the third subset. The second subset is not equal to the fourth subset.
    Type: Grant
    Filed: January 16, 2024
    Date of Patent: February 25, 2025
    Assignee: LEEDARSON LIGHTING CO.,LTD.
    Inventors: Jiayuan Zhang, Changjing Zeng, Jingjing Su, Xiaoming Yang, Zongyuan Liu, Liangliang Cao
  • Patent number: 12228765
    Abstract: A curved optical plate includes a curved light exit surface including at least one curved edge and at least one uncurved edge, and at least one first side surface connected to the at least one uncurved edge of the light exit surface; a first side surface includes a first surface, and the first surface extends toward an interior of the curved optical plate.
    Type: Grant
    Filed: June 29, 2022
    Date of Patent: February 18, 2025
    Assignees: FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yuhang Lin, Zhiying Chen, Chengkun Liu, Han Zhang, Hongyu Zhao, Ming Chen, Zhijie Guo, Lian Fang, Long Hu, Ting Cui, Liangliang Ren, Kai Diao
  • Patent number: 12228809
    Abstract: A display module includes a back plate, a light guide plate, a rubber frame and a display panel, the light guide plate is fixed on a bearing surface, a connecting line between two end portions of the bearing surface forms a first curve. The first curve includes a circular arc segment and a transition curve segment, and bends in a direction away from the display panel; the circular arc segment is located at the middle, at least one end of the circular arc segment is provided with the transition curve segment; the transition curve segment is located at a first position, the first position being a position of the bearing surface opposite to a second position, the second position being a position where light leaks from the display panel, the radius of curvature of the transition curve increases along a direction close to an end portion of the first curve.
    Type: Grant
    Filed: April 29, 2022
    Date of Patent: February 18, 2025
    Assignees: FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Han Zhang, Shuwen Lai, Kai Diao, Long Hu, Liangliang Ren, Yuhang Lin, Lian Fang, Chengkun Liu, Dingjie Zheng, Zhijie Guo, Zhiying Chen, Ting Cui
  • Patent number: 12223864
    Abstract: A method of repairing a display defect in a display panel includes: in a module process stage, inputting a first data voltage to each pixel in the display panel, enabling the display panel to display an image to be detected, and acquiring a brightness of each pixel; determining a reference pixel and a defect pixel according to the image to be detected; calculating a compensation data voltage for the defect pixel according to a brightness difference between the reference pixel and the defect pixel; and inputting the first data voltage to the reference pixel, and inputting a second data voltage to the defect pixel, according to the compensation data voltage, where the second data voltage is a sum of the first data voltage and the compensation data voltage.
    Type: Grant
    Filed: April 14, 2022
    Date of Patent: February 11, 2025
    Assignees: Ordos Yuansheng Optoelectronics Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Nini Bai, Yonghong Zhang, Liangliang Liu
  • Publication number: 20250047572
    Abstract: A communication method and apparatus are provided. The method includes: A first control plane network element receives call signaling related to a call service, sends network element requirement information and preferred network element information to a network function repository network element based on the call signaling, and receives information about a target media plane network element configured to provide a second media plane service. The call signaling includes information about a first media plane network element configured to provide a first media plane service associated with the call service. The network element requirement information indicates to provide information about a media plane network element that can provide the second media plane service associated with the call service. The preferred network element information indicates that the first media plane network element is a preferred media plane network element.
    Type: Application
    Filed: October 25, 2024
    Publication date: February 6, 2025
    Inventors: Liangliang LIU, Kai HUANG
  • Publication number: 20250048811
    Abstract: The present disclosure provides a display substrate, a preparing method thereof, and a display device. The display substrate includes: a base substrate including a spacing region; a plurality of light-emitting device groups on the base substrate, any two adjacent light-emitting device groups of the plurality of light-emitting device groups being spaced apart from each other by the spacing region; and a light-shielding layer on the base substrate. The light-shielding layer covers the plurality of light-emitting device groups and fills the spacing region, a first portion of the light-shielding layer covering the plurality of light-emitting device groups has a first thickness, a second portion of the light-shielding layer filling the spacing region has a second thickness, the first thickness is less than the second thickness.
    Type: Application
    Filed: January 18, 2023
    Publication date: February 6, 2025
    Inventors: Jiao LI, Chenchang CHEN, Ruoyu MA, Liangliang JIN, Zezhou YANG, Wenjia SUN, Qingkai ZHANG, Le ZHAO, Weixing LIU
  • Patent number: 12215038
    Abstract: A method for preparing two-dimensional (2D) ordered mesoporous nanosheets by inorganic salt interface-induced assembly includes the following steps: carrying out, by using a soluble inorganic salt as a substrate and an amphiphilic block copolymer as a template, uniform mass diffusion of a target precursor solution at an inorganic salt crystal interface through vacuum filtration or low-speed centrifugation; forming a single-layer ordered mesoporous structure by using the solvent evaporation-induced co-assembly (EICA) technology; and promoting, through gradient temperature-controlled Ostwald ripening, the evaporation and induced formation of an organic solvent, and removing the template in N2 to obtain a 2D single-layer ordered mesoporous nanosheet material. The assembled nanosheet material has a large pore size, regular spherical pores and orderly arrangement. By changing the type of the precursor, a variety of mesoporous metal oxides, metal elements, inorganic non-metal nanosheets are synthesized.
    Type: Grant
    Filed: March 9, 2020
    Date of Patent: February 4, 2025
    Assignee: FUDAN UNIVERSITY
    Inventors: Yonghui Deng, Liangliang Liu, Yidong Zou, Xuanyu Yang
  • Publication number: 20250038278
    Abstract: A battery includes an outer housing and a cell. The cell is received in a first receiving cavity of the outer housing, the outer housing is arranged with an insulating member. At least one information obtaining component is received in the first receiving cavity and fixed to the cell. Each information obtaining component includes a detection assembly, a power supply battery, a wireless transmitting end and a circuit board. A detection end of the detection assembly is attached to the cell, the wireless transmitting end is disposed adjacent to the insulating member and is configured to transmit a signal, and the signal is capable of transmitting through the insulating member to reach an exterior of the first receiving cavity.
    Type: Application
    Filed: December 15, 2023
    Publication date: January 30, 2025
    Inventors: RUIRUI ZHAO, PENGCHENG LIU, LIANGLIANG LIU, DONGRONG QI
  • Publication number: 20250035289
    Abstract: An LED lighting device includes a power supplier, a light cover and a circuit board. The circuit board is disposed in the light cover. The circuit board has a protective layer disposed thereon and a plurality of light sources. The circuit board has a front soldering section, a rear soldering section and a circuit section. The light sources are disposed on the circuit section and electrically connected to the circuit section. The protective layer includes an opening and two coated layers. The opening includes a front section, a rear section and a connecting section. The coated layers are disposed on the two sides of the connecting section respectively. The light sources are within the connecting section. The inner space of the light cover serves as an optical zone, such that the optical zone covers the front soldering section and the rear soldering section.
    Type: Application
    Filed: October 16, 2024
    Publication date: January 30, 2025
    Applicant: Xiamen PVTECH Co., Ltd.
    Inventors: FUXING LU, RONGTU LIU, Huibao Luo, Zehu Dai, LIANGLIANG CAO, CHUN MING LIU
  • Patent number: 12205999
    Abstract: Provided is a metal-oxide thin-film transistor. The metal-oxide thin-film transistor includes a gate, a gate insulation layer, a metal-oxide semiconductor layer, a source electrode, a drain electrode, and a passivation layer that are successively disposed on a base substrate; wherein the source electrode and the drain electrode are both in a laminated structure, wherein the laminated structure of the source electrode or the drain electrode at least includes a bulk metal layer and an electrode protection layer; wherein the electrode protection layer includes a metal or a metal alloy; the electrode protection layer is at least disposed between the metal-oxide semiconductor layer and the bulk metal layer; wherein a metal-oxide layer is disposed between the electrode protection layer and the bulk metal layer.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: January 21, 2025
    Assignees: FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bin Lin, Liangliang Li, Zheng Liu, Bo Hu, Rui Zhang, Xinlin Peng
  • Patent number: 12207568
    Abstract: Disclosed are a fabrication method for a superconducting circuit and a superconducting quantum chip. The fabrication method includes: determining, on a substrate, a first junction region located between a first electrical element and a second electrical element, and a second junction region located between a first conductive plate and a second conductive plate that are formed in advance; forming a Josephson junction in the second junction region; detect an electrical parameter of the Josephson junction, and determining whether the electrical parameter is within a target parameter range; if yes, separating the Josephson junction through cutting, and moving the Josephson junction to the first junction region; and forming a first connection structure connecting the first superconducting layer to the first electrical element and a second connection structure connecting the second superconducting layer to the second electrical element.
    Type: Grant
    Filed: May 10, 2023
    Date of Patent: January 21, 2025
    Assignee: Origin Quantum Computing Technology (Hefei) Co., Ltd
    Inventors: Liangliang Ma, Bing You, Nianci Wang, Jie Zheng, Wenshu Liu
  • Patent number: 12159107
    Abstract: A method for automatically identifying word repetition errors includes the following steps: after performing word segmentation on a large-scale training corpus, performing statistics to obtain two-tuple and three-tuple structures including repeated words in the training corpus, and repeated combination degrees, left contextual adjacent word information entropy and right contextual adjacent word information entropy in the training corpus; performing statistics and recording words containing repeated characters in a Chinese dictionary and establishing a repeated word library of the Chinese dictionary; judging the repeated words appearing in the text to be subjected to error checking based on the repeated words in the Chinese dictionary; and judging the repeated words appearing in the text to be subjected to error checking based on the repeated combination degrees, left contextual adjacent word information entropy and right contextual adjacent word information entropy obtained by performing statistics.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: December 3, 2024
    Assignee: CHINA NATIONAL INSTITUTE OF STANDARDIZATION
    Inventors: Haitao Wang, Xinyu Cao, Liangliang Liu, Changqing Zhou
  • Publication number: 20240372232
    Abstract: A battery includes a housing, a cell, a first cover assembly, and a second cover assembly. The housing is internally provided with a receiving chamber. The cell is mounted in the receiving chamber. The first cover assembly includes a first body and an electrode connector. The sidewall of the first body is welded to the sidewall of the housing. The second cover assembly includes a second body. The sidewall of the second body is welded to the sidewall of the housing. The opening at one of the two ends of the housing is plugged by the first cover assembly. The opening at the other of the two ends is plugged by the second cover assembly. The cell is provided with two tabs. One of the two tabs is connected to the electrode connector. The other of the two tabs is connected to the second body.
    Type: Application
    Filed: November 22, 2021
    Publication date: November 7, 2024
    Inventors: Liangliang LIU, Guangdong ZHU, Jianhua LIU, Jincheng LIU
  • Publication number: 20240372185
    Abstract: A battery shell and a battery are provided. The battery shell includes a body and two cover plates, wherein the body is a cylinder structure with two openings respectively at two ends thereof, the body is formed by bending a strip-shaped plate at least once, two ends of the plate are connected to each other, a width of the plate is B1, a width of the cover plate is B2, B1 is less than B2, the two cover plates respectively block the two openings of the body, the body is provided with a mounting side surface, and a pole assembly is arranged on the mounting side surface.
    Type: Application
    Filed: July 22, 2022
    Publication date: November 7, 2024
    Applicant: EVE ENERGY CO., LTD.
    Inventors: Liangliang LIU, Yuan ZHU, Ruirui ZHAO
  • Patent number: 12114534
    Abstract: The disclosure provides an OLED display substrate, a manufacturing method thereof, and a display device, wherein the OLED display substrate is provided with a display area and an edge area surrounding the display area, the OLED display substrate includes a back plate and a pixel-defining layer on the back plate, and a protrusion is provided on the back plate at the edge area of the OLED display substrate.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: October 8, 2024
    Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD ., BOE TECHNOLOGY GROUP CO., LTD
    Inventors: Liman Peng, Qi Liu, Liangliang Liu, Jianqiang Wang, Yan Wu, Jin Yang
  • Publication number: 20240265836
    Abstract: A method of repairing a display defect in a display panel includes: in a module process stage, inputting a first data voltage to each pixel in the display panel, enabling the display panel to display an image to be detected, and acquiring a brightness of each pixel; determining a reference pixel and a defect pixel according to the image to be detected; calculating a compensation data voltage for the defect pixel according to a brightness difference between the reference pixel and the defect pixel; and inputting the first data voltage to the reference pixel, and inputting a second data voltage to the defect pixel, according to the compensation data voltage, where the second data voltage is a sum of the first data voltage and the compensation data voltage.
    Type: Application
    Filed: April 14, 2022
    Publication date: August 8, 2024
    Inventors: Nini BAI, Yonghong ZHANG, Liangliang LIU
  • Publication number: 20240233646
    Abstract: A display substrate and a display device are disclosed. The display substrate includes a base substrate and a plurality of sub-pixels located thereon. Each sub-pixel includes a pixel circuit and a pixel electrode electrically connected thereto, and each pixel circuit includes a driving sub-circuit. The pixel electrode includes a main electrode part and a first electrode extension part extending therefrom. The display substrate includes first type of sub-pixels. The main electrode part of each sub-pixel of the first type of sub-pixels is not overlapped with a control electrode of the driving sub-circuit of the sub-pixel or an electrode part directly electrically connected to the control electrode, and the first electrode extension part of each pixel electrode is at least partially overlapped with the control electrode or the electrode part. The first type of sub-pixels include at least two sub-pixels configured to emit light of different colors.
    Type: Application
    Filed: March 27, 2024
    Publication date: July 11, 2024
    Applicants: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qianqian ZHANG, Liangliang LIU, Zhiyong XUE, Liman PENG, Yan WU, Sihui DUAN, Le GAO