Patents by Inventor Guanghui Liu

Guanghui 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).

  • Patent number: 12165609
    Abstract: The present application provides a display panel in which transistors in an input pull-up module, a stage transfer output module, and an output pull-up module are provided as P-type low temperature polysilicon thin film transistors, and a transistor in an output pull-down module is provided as an N-type metal oxide thin film transistor.
    Type: Grant
    Filed: September 6, 2021
    Date of Patent: December 10, 2024
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Haiming Cao, Chao Tian, Yanqing Guan, Fei Ai, Guanghui Liu, Zhifu Li
  • Patent number: 12163652
    Abstract: The disclosure discloses a photoelectric core module and a lamp, the photoelectric core module includes an insulating housing that has an accommodating space; a photoelectric module that is fixedly mounted to the insulating housing and is accommodated in the accommodating space; and a light-emitting mask that is assembled on the insulating housing in a non-detachable manner and sealing the accommodating space; and light emitted by the photoelectric module is capable of passing through the light-emitting mask.
    Type: Grant
    Filed: September 21, 2023
    Date of Patent: December 10, 2024
    Assignees: Suzhou Opple Lighting Co., Ltd., Opple Lighting Co., Ltd.
    Inventors: Zeyu Liu, Guanghui Hu, Jianmin Xie, Aiping Wang
  • Publication number: 20240406266
    Abstract: The present disclosure provides a method, an apparatus, a storage medium, and an electronic device for controlling an IoT device. The method includes: receiving detection data reported by an IoT device; verifying device control information based on the detection data; and sending, in response to second data in the device control information being successfully verified, a control instruction configured for execution of a pending action to the IoT device to be controlled based on first data. The above method is conductive to improving the response speed of the IoT device.
    Type: Application
    Filed: November 13, 2023
    Publication date: December 5, 2024
    Applicant: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventors: Peng LIU, Xiaodong GAO, She DU, Guanghui WANG, Tingting SHU, Kaifeng DUAN, Yongchao ZHANG, Bin LI
  • Patent number: 12154470
    Abstract: A gate driving circuit and a display panel are disclosed. A pull-up control module and a pull-down module of each stage gate driving unit are connected to a first node. A thin film transistor in the pull-up control module and/or pull-down module that is connected to the first node is an oxide thin film transistor, such that a leakage current of the first node is reduced due to the advantage of the small off-state leakage current of the oxide thin film transistor. Therefore, the voltage level of the first node can remain stable during a pull-up stage and a touch suspension stage.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: November 26, 2024
    Inventors: Haiming Cao, Yanqing Guan, Chao Tian, Fei Ai, Guanghui Liu, Zhifu Li
  • Patent number: 12153281
    Abstract: An apparatus, method for lens barrel distance adjustment, device and computer medium are provided. The method includes: obtaining an eye image of a user; determining a pupillary distance of the user based on the eye image; obtaining a first output voltage determined by a hall sensor; in response to that the first output voltage indicates that an absolute value of a difference value between a distance between left and right lens barrels of a head-mounted device and the pupillary distance of the user is greater than a predetermined threshold, sending a control instruction corresponding to the difference value to an adjustment circuit, causing the adjustment circuit to adjust a distance between the left and right lens barrels based on the control instruction. The hall sensor and the adjustment circuit are provided on the head-mounted device.
    Type: Grant
    Filed: April 24, 2024
    Date of Patent: November 26, 2024
    Assignee: Beijing Zitiao Network Technology Co., Ltd.
    Inventors: Jiu Xia, Guanghui Liu, Kaiyang Wang
  • Patent number: 12146584
    Abstract: A solenoid valve and a vehicle gas cylinder valve having the solenoid valve are provided. The solenoid valve includes a casing, a pilot head, a main valve seat, and a pilot valve core. An outer peripheral surface of the casing is provided with a clearance fit surface, and the clearance fit surface is configured for clearance fit with a solenoid valve installation passage to form a bypass gas passage between the casing and the solenoid valve installation passage. The casing is provided with an upper casing ventilation hole and a lower casing ventilation hole. The upper casing ventilation hole communicates with an upper portion of the bypass gas passage and a pilot head upper chamber, and the lower casing ventilation hole communicates with a lower portion of the bypass gas passage and a pilot head lower chamber.
    Type: Grant
    Filed: June 29, 2023
    Date of Patent: November 19, 2024
    Assignee: YAPP AUTOMOTIVE PARTS (KAIFENG) CO., LTD.
    Inventors: Guanghui Tan, Shaowen Hu, Lin Jiang, Yinchun Liu, Kaige He
  • Patent number: 12136396
    Abstract: The present application provides a display panel and a display device. An N-th auxiliary unit is arranged in a display area of the display panel. An output end of the N-th auxiliary unit is connected to an N-th scan line. By connecting the auxiliary unit arranged in the display area to the corresponding scan line, a falling edge of a scan signal transmitted in the scan line can have sharp falling or a rising edge of the scan signal can have sharp rising, which can alleviate a signal distortion problem caused by transmission delay in the display area.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: November 5, 2024
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Chao Tian, Yanqing Guan, Guanghui Liu, Fei Ai
  • Publication number: 20240363758
    Abstract: A display panel is provided by embodiments of the present application, a thin film transistor includes: a first gate electrode including a first side slope, a second side slope oppositely arranged, and a top surface; a first gate insulating layer covering the first gate electrode; a semiconductor layer arranged on the first gate insulating layer, wherein the semiconductor layer includes a first end, a second end, and a channel arranged between the first end and the second end, the second end is at least partially on the top surface, the channel is at least partially located on the first side slope.
    Type: Application
    Filed: February 28, 2023
    Publication date: October 31, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Zhifu LI, Guanghui LIU, Chao DAI, Fei AI, Dewei SONG, Zhuang LI
  • Patent number: 12132120
    Abstract: A thin film transistor and a display panel are provided. A first dimension of a first transmission portion electrically connected to a source heavily-doped portion is different from a second dimension of a second transmission portion electrically connected to a drain heavily-doped portion, so that an intensity of an electric field of carriers transmitted by the transmission portion corresponding to the larger one of the first dimension or the second dimension is smaller when the thin film transistor is turned on, thereby reducing the bombardment effect of the carriers on a source or a drain and improving the stability of thin film transistor.
    Type: Grant
    Filed: August 6, 2021
    Date of Patent: October 29, 2024
    Inventors: Hong Cheng, Chao Tian, Yanqing Guan, Guanghui Liu
  • Patent number: 12125424
    Abstract: The present application discloses a gate driving circuit and a display panel. The gate driving circuit comprises a plurality of cascaded gate driving modules. A first driving signal can be output through a first output node, and at the same time, a second driving signal with a same phase as the first driving signal can be output through a second output node, and a gate driving sub-module and an in-phase output sub-module share the first output node and a pull-down node, which simplifies a circuit topology of the gate driving circuit.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: October 22, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Mingyue Li, Chao Tian, Yanqing Guan, Fei Ai, Guanghui Liu
  • Patent number: 12117473
    Abstract: A method and system for measuring broadband impedance of a renewable energy power generation device. A voltage disturbance is injected into the renewable energy power generation device by using a disturbance injection device, and three-phase voltage and three-phase current of each of preset measurement points are acquired. Relevant variables before the renewable energy power generation device is decoupled from a measurement device and impedance of a power grid, are calculated according to the three-phase voltage and the three-phase current of each of the preset measurement points. Impedance of the renewable energy power generation device after being decoupled from the measurement device and the impedance of the power grid, is calculated.
    Type: Grant
    Filed: June 12, 2024
    Date of Patent: October 15, 2024
    Assignee: CHINA ELECTRIC POWER RESEARCH INSTITUTE
    Inventors: Weisheng Wang, Guanghui Li, Guoqing He, Yuntao Xiao, Yu Lei, Zixuan Guo, Shuanglei Feng, Caiyun Gao, Junhua Ma, Keke Liu, Liping Gao, Ni Zhen, Yuye Li, Yuqi Duan, Fangfang Yu
  • Publication number: 20240331603
    Abstract: The present application discloses a gate drive circuit and a display device. The gate drive circuit includes a plurality of cascaded gate drive units, in which one of the gate drive units includes a first layout, an input module and a pull-up module. By receiving a potential changeable signal by the gate of a first transistor or the gate of a second thin-film transistor, it can alleviate or avoid current leakage caused when a first node keeps at a same voltage level for a long time, thereby improving the stability of the potential of the first node.
    Type: Application
    Filed: June 12, 2024
    Publication date: October 3, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Mingyue LI, Chao TIAN, Yanqing GUAN, Fei AI, Guanghui LIU
  • Patent number: 12101649
    Abstract: Methods, systems, and devices related to digital wireless communication, and more specifically, to techniques related to operating an access network with multiple domains. In an example embodiment, a method for wireless communication can include receiving, at a physical resource group control function, a first message on a service-based interface provided by the physical resource group control function. The method may also include, in response to receiving the first message, transmitting, by the physical resource group control function, a second message on the service-based interface provided by the physical resource group control function.
    Type: Grant
    Filed: March 11, 2022
    Date of Patent: September 24, 2024
    Assignee: ZTE CORPORATION
    Inventors: Feng Xie, Tao Qi, Zheng Peng, Na Liu, Guanghui Yu, Liujun Hu
  • Publication number: 20240310643
    Abstract: The present disclosure provides an extended reality device and a control method thereof. The extended reality device includes: a front part and a rear part; the front part comprising: a display module, configured to display extended reality image; the rear part comprising: a system controller connected to the display module and configured to control operation of the display module; a battery connected to the system controller and configured to supply power to each electrical device. Through the above solution, transferring the system controller and the battery to the rear part setting, so that the weight of the front part of the extended reality device is significantly reduced, the thickness of the front part is significantly reduced, the weight of the rear part and the front part can be balanced, there is no bias when user wears the extended reality device, which improves the user's wearing comfort.
    Type: Application
    Filed: March 13, 2024
    Publication date: September 19, 2024
    Inventors: Wenlong Bai, Jiu Xia, Yu Xia, Benyi Zhang, Peng Du, Guanghui Liu
  • Patent number: 12093596
    Abstract: The present application provides a distributed system on panel (SOP) display panel and a display system. The distributed SOP display panel includes a plurality of display modules and a plurality of functional modules. Each display module includes a plurality of display units. The functional modules include first functional modules and a second functional module. The first functional modules are electrically connected to the display units in adjacent display modules, the second functional module is electrically connected to the plurality of display modules, in order to alleviate a technical problem of improper layout of system functions of a conventional SOP display device.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: September 17, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Zemin Hu, Guowei Zha, Guanghui Liu, Zhifu Li, Xiaolin Yan, Wanliang Feng
  • Patent number: 12085801
    Abstract: A backlight module and a liquid crystal display device are provided. The backlight module includes a first optical element which can switch between a transparent state and a scattering state, first light sources, and a light-shielding layer disposed on a light path of light emitted from the first light sources to a liquid crystal display panel. The light-shielding layer includes a plurality of gratings arranged at intervals, each of the gratings is made of a light-shielding material, and one light transmission gap is formed between any two adjacent gratings, thereby improving uniformity of backlight.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: September 10, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Rui He, Wei Cheng, Changchih Huang, Guanghui Liu
  • Publication number: 20240296767
    Abstract: The present disclosure provides a display panel and a display device. The display panel includes a plurality of scan lines and at least one pull-down circuit unit.disposed at intervals ina n The pull-down circuit includes a forward scan pull-down unit and/or a reverse scan pull-down unit. The forward scan pull-down unit receives a (n+m)th scan signal, a first control signal, and a reference low level signal, and is connected to the nth scan line. The reverse scan pull-down unit receives a (n?m)th scan signal, a second control signal, and the reference low level signal, and is connected to the nth scan line.
    Type: Application
    Filed: September 1, 2022
    Publication date: September 5, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Haiming CAO, Chao TIAN, Fei AI, Guanghui LIU
  • Patent number: 12074463
    Abstract: A battery detection system includes a battery assembly and an electronic device. The battery assembly includes a first connector and a detection module connected to the first connector. The electronic device includes a second connector and a control module connected to the second connector. When the first connector is connected to the second connector, the detection module is configured to output first identification information to the electronic device through the first connector. When the second connector receives the first identification information, the control module confirms that the battery assembly is in a connected state. After the first connector is disconnected from the second connector, the detection module generates and outputs second identification information. When information received by the second connector changes from the first identification information to the second identification information, the control module confirms that the battery assembly is disconnected.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: August 27, 2024
    Assignee: DONGGUAN NVT TECHNOLOGY LIMITED
    Inventors: Hong Xie, Guanghui Chen, Xuefeng Liu
  • Publication number: 20240280785
    Abstract: An apparatus, method for lens barrel distance adjustment, device and computer medium are provided. The method includes: obtaining an eye image of a user; determining a pupillary distance of the user based on the eye image; obtaining a first output voltage determined by a hall sensor; in response to that the first output voltage indicates that an absolute value of a difference value between a distance between left and right lens barrels of a head-mounted device and the pupillary distance of the user is greater than a predetermined threshold, sending a control instruction corresponding to the difference value to an adjustment circuit, causing the adjustment circuit to adjust a distance between the left and right lens barrels based on the control instruction. The hall sensor and the adjustment circuit are provided on the head-mounted device.
    Type: Application
    Filed: April 24, 2024
    Publication date: August 22, 2024
    Inventors: Jiu XIA, Guanghui LIU, Kaiyang WANG
  • Publication number: 20240276760
    Abstract: A display substrate is provided, including: a base substrate including at least pixel and hole areas; sub-pixels arranged on the base substrate and in the pixel area; a hole in the hole area; a first barrier dam between the sub-pixels and the hole and at least partially surrounding the hole; a functional film layer, an organic material layer and an encapsulating structure sequentially arranged on the display substrate in a direction away from the base substrate, an orthographic projection of the organic material layer on the base substrate falling within the pixel area, the organic material layer including at least one film layer; and a filling structure, at least a portion of which is arranged between the hole and the first barrier dam. The filling structure and the at least one film layer of the organic material layer are in the same layer and include the same material.
    Type: Application
    Filed: April 25, 2024
    Publication date: August 15, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xin Zhang, Yupeng He, Yang Zhou, Wei Wang, Xiaofeng Jiang, Yu Wang, Lulu Yang, Yiyang Zhang, Guanghui Yang, Jiaming Lu, Rui Hao, Qun Ma, Pu Liu, Liudong Zhu, Qiang Huang, Bin He, Dinan Duan, Haiyong Bai, Xin Li, Ruiqi Wei