Patents by Inventor Donghua Chen

Donghua Chen 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: 11916215
    Abstract: A power supply battery and a power supply system for high-speed maglev trains are disclosed. The power supply battery comprises: an electrolyte tank, a plurality of liquid flow pumps, and a plurality of aluminum-air battery reactors. The plurality of aluminum-air battery reactors are sequentially connected in series. The electrolyte tank comprises a plurality of elongate electrolyte grooves. One liquid flow pump corresponds to one aluminum-air battery reactor and one electrolyte groove.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: February 27, 2024
    Assignee: CRRC QINGDAO SIFANG CO., LTD.
    Inventors: Jianying Liang, Donghua Wu, Xing Chen, Guimei Deng, Jiankang Xue
  • Publication number: 20240008193
    Abstract: A splicing screen and a splicing display apparatus are provided. The splicing screen includes display screens. One of the display screens includes two opposite first edges and two opposite second edges. The two opposite first edges are not parallel to each other. The two opposite second edges have different lengths. The splicing screen at least includes two adjacent display screens. An angle is formed between the two display screens spliced at a corresponding first edge of the two opposite first edges.
    Type: Application
    Filed: September 12, 2023
    Publication date: January 4, 2024
    Applicant: Tianma Advanced Display Technology Institute (Xiamen) Co.,Ltd.
    Inventor: Donghua CHEN
  • Patent number: 11696412
    Abstract: A display device and its formation method are provided in the present disclosure. The display device includes a flexible display panel; a bending auxiliary layer fixed on a first surface of the flexible display panel; a support plate at a side of the bending auxiliary layer away from the flexible display panel; and an adhesive layer, between the bending auxiliary layer and the support plate, configured to fix the bending auxiliary layer to the support plate. A region where the bending auxiliary layer overlaps the support plate includes a first region and a second region. A sum of thicknesses of the bending auxiliary layer and the support plate in the first region is less than a sum of thicknesses of the bending auxiliary layer and the support plate in the second region. The adhesive layer is in the first region and not in the second region.
    Type: Grant
    Filed: February 23, 2021
    Date of Patent: July 4, 2023
    Assignee: HUBEI YANGTZE INDUSTRIAL INNOVATION CENTER OF ADVANCED DISPLAY CO., LTD.
    Inventors: Shouzheng Wu, Donghua Chen, Shaorong Yu, Yongxin He
  • Publication number: 20230059616
    Abstract: Provided is a display device including a display panel and a fluid heat dissipation module which includes a circulation cooling assembly and at least one heat dissipation assembly. A heat dissipation assembly includes a first fluid cavity adjacent to a first surface of the display panel and a second fluid cavity adjacent to a second surface of the display panel. The first fluid cavity communicates with the second fluid cavity. The heat dissipation assembly includes at least one fluid inlet disposed on an end of the first fluid cavity and at least one fluid outlet disposed on an end of the second fluid cavity. A fluid inlet and a fluid outlet are each connected to the circulation cooling assembly. The first fluid cavity of the heat dissipation assembly and the second fluid cavity of the heat dissipation assembly are adjacent to two surfaces of the display panel.
    Type: Application
    Filed: October 31, 2022
    Publication date: February 23, 2023
    Applicant: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.
    Inventors: Donghua CHEN, Kaikai ZHANG
  • Patent number: 11537166
    Abstract: A flexible display module and a display device are provided. The flexible display module includes a flexible display panel; and a heat dissipation assembly. The heat dissipation assembly includes a fan assembly and a first air tube; the first air tube is disposed on at least one side edge of the flexible display panel; and the fan assembly provides an airflow to a surface of the flexible display panel through the first air tube.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: December 27, 2022
    Assignee: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.
    Inventors: Xiaoyin Zhang, Donghua Chen
  • Patent number: 11487045
    Abstract: The present disclosure provides a method for recovering a porosity evolution process of sequence stratigraphy of carbonate rocks. The method comprises: a step of establishing a sequence stratigraphic framework of carbonate rocks; a step of dividing diagenetic stages; a step of simulating diagenesis and porosity evolution with increasing reservoir thickness and continuous superposition of multiple reservoirs during cyclic rise and fall of sea level to obtain a simulation result; and a step of calculating the porosity evolution in space over time by using the simulation result as initial values for simulation of diagenetic evolution process and simulating in stages and continuity the multi-stage diagenetic evolution process that the carbonate rock strata undergo after sediment based on the divided diagenetic stages.
    Type: Grant
    Filed: January 19, 2022
    Date of Patent: November 1, 2022
    Assignee: China University of Petroleum-Beijing
    Inventors: Leilei Yang, Donghua Chen, Guo Wei, Jing Hu, Weiquan Zhao, Keyu Liu, Jianliang Liu, Wei Yang, Xianglu Tang, Jin Lai
  • Publication number: 20220308257
    Abstract: The present disclosure provides a method for recovering a porosity evolution process of sequence stratigraphy of carbonate rocks. The method comprises: a step of establishing a sequence stratigraphic framework of carbonate rocks; a step of dividing diagenetic stages; a step of simulating diagenesis and porosity evolution with increasing reservoir thickness and continuous superposition of multiple reservoirs during cyclic rise and fall of sea level to obtain a simulation result; and a step of calculating the porosity evolution in space over time by using the simulation result as initial values for simulation of diagenetic evolution process and simulating in stages and continuity the multi-stage diagenetic evolution process that the carbonate rock strata undergo after sediment based on the divided diagenetic stages.
    Type: Application
    Filed: January 19, 2022
    Publication date: September 29, 2022
    Inventors: Leilei Yang, Donghua Chen, Guo Wei, Jing Hu, Weiquan Zhao, Keyu Liu, Jianliang Liu, Wei Yang, Xianglu Tang, Jin Lai
  • Patent number: 11413934
    Abstract: The present disclosure relates to a vehicle-mounted heat dissipation system and a heat dissipation method. The vehicle-mounted heat dissipation system include: a display screen; a heat dissipation structure configured to define a heat dissipation cavity at the back surface of the display screen; an air-cooling heat dissipation device comprising an air supply device, an air inlet, and an air outlet; a water-cooling heat dissipation device comprising a water storage device and a water pipe; and a control device configured to control, if a temperature of the display screen is higher than a first temperature threshold, the vehicle-mounted heat dissipation system to be in an air-cooling heat dissipation mode, and also configured to control, if the temperature of the display screen is higher than a second temperature threshold, the vehicle-mounted heat dissipation system to be in a water-cooling heat dissipation mode.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: August 16, 2022
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Donghua Chen, Yongxin He, Ping An
  • Publication number: 20220187873
    Abstract: A flexible display module and a display device are provided. The flexible display module includes a flexible display panel; and a heat dissipation assembly. The heat dissipation assembly includes a fan assembly and a first air tube; the first air tube is disposed on at least one side edge of the flexible display panel; and the fan assembly provides an airflow to a surface of the flexible display panel through the first air tube.
    Type: Application
    Filed: March 16, 2021
    Publication date: June 16, 2022
    Inventors: Xiaoyin ZHANG, Donghua CHEN
  • Publication number: 20220167509
    Abstract: A display device and its formation method are provided in the present disclosure. The display device includes a flexible display panel; a bending auxiliary layer fixed on a first surface of the flexible display panel; a support plate at a side of the bending auxiliary layer away from the flexible display panel; and an adhesive layer, between the bending auxiliary layer and the support plate, configured to fix the bending auxiliary layer to the support plate. A region where the bending auxiliary layer overlaps the support plate includes a first region and a second region. A sum of thicknesses of the bending auxiliary layer and the support plate in the first region is less than a sum of thicknesses of the bending auxiliary layer and the support plate in the second region. The adhesive layer is in the first region and not in the second region.
    Type: Application
    Filed: February 23, 2021
    Publication date: May 26, 2022
    Inventors: Shouzheng WU, Donghua CHEN, Shaorong YU, Yongxin HE
  • Publication number: 20220105668
    Abstract: An on-line automatic cleaning apparatus of slit extrusion type coating die for lithium battery and a method associated therewith are provided. The cleaning apparatus includes: a die lip, a coating steel roller, and a cleaning mechanism disposed therebetween. The cleaning mechanism includes a cleaning chamber which includes elongated sealing strips and a flow-guiding arc groove. Front and rear ends of the cleaning chamber are connected to an inlet sealing plate and an outlet sealing plate respectively. The flow-guiding arc groove is in contact with and presses upper and lower sloped surfaces of the die lip through the elongated sealing strips to seal and thereby define a closed cleaning tunnel. The inlet and outlet sealing plates are in contact with and press two ends of the closed cleaning tunnel respectively for circumferential sealing. An inlet and an outlet are connected to pipes having solenoid valves installed thereon.
    Type: Application
    Filed: December 17, 2021
    Publication date: April 7, 2022
    Inventors: Donghua Chen, Zhenhua Fan
  • Publication number: 20210268869
    Abstract: The present disclosure relates to a vehicle-mounted heat dissipation system and a heat dissipation method. The vehicle-mounted heat dissipation system include: a display screen; a heat dissipation structure configured to define a heat dissipation cavity at the back surface of the display screen; an air-cooling heat dissipation device comprising an air supply device, an air inlet, and an air outlet; a water-cooling heat dissipation device comprising a water storage device and a water pipe; and a control device configured to control, if a temperature of the display screen is higher than a first temperature threshold, the vehicle-mounted heat dissipation system to be in an air-cooling heat dissipation mode, and also configured to control, if the temperature of the display screen is higher than a second temperature threshold, the vehicle-mounted heat dissipation system to be in a water-cooling heat dissipation mode.
    Type: Application
    Filed: June 26, 2020
    Publication date: September 2, 2021
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Donghua CHEN, Yongxin HE, Ping AN
  • Patent number: 10693089
    Abstract: The present disclosure relates to a flexible display device, including a flexible substrate. The substrate includes a first portion, a second portion and a bending portion connecting the first portion to the second portion, wherein the flexible substrate has a thickness T. A plurality of display pixels is located at a side of the first portion of the flexible substrate. A supporting layer is located at a side of the flexible substrate facing away from the plurality of display pixels and includes a first supporting layer corresponding to the first portion and a second supporting area corresponding to the second portion. A thickness of the first supporting layer is T1, a thickness of the second supporting layer is T2, and a width of the bending portion is W, wherein W ? ( 2 ? T + T ? ? 1 + T ? ? 2 ) ? ? 2 . Therefore, a narrow border is achieved, and the problem of interference during bending is alleviated.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: June 23, 2020
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yongxin He, Dong Chang, Donghua Chen, Zhenying Li
  • Patent number: 10649533
    Abstract: A touch-control panel includes a display panel and at least one actuator. The display panel includes a touch-control detection device. Each actuator of the at least one actuator includes a first electrode, a second electrode, and an inductive layer sandwiched between the first electrode and the second electrode. In response to the touch-control detection device detecting a touch-control operation, an actuator of the at least one actuator located in a region where the touch-control operation is performed vibrates.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: May 12, 2020
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Dong Chang, Yuan Ding, Donghua Chen
  • Patent number: 10559603
    Abstract: A display panel and a display apparatus are provided. A display panel includes a display region and a bonding region bonding a flexible circuit board with the display panel. The bonding region comprises a first surface located at a displaying side of the display panel and an opposing second surface, and includes a plurality of first pins and a plurality of second pins. The plurality of first pins are disposed at the first surface of the bonding region, and the plurality of second pins are disposed at the second surface of the bonding region. The display panel also includes a plurality of first transmission lines and a plurality of second transmission lines. A first transmission line is connected to a first pin, a second transmission line is connected to a second pin, and the second transmission line and the second pin are disposed at different film layers.
    Type: Grant
    Filed: May 9, 2018
    Date of Patent: February 11, 2020
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventor: Donghua Chen
  • Publication number: 20200033946
    Abstract: A touch-control panel includes a display panel and at least one actuator. The display panel includes a touch-control detection device. Each actuator of the at least one actuator includes a first electrode, a second electrode, and an inductive layer sandwiched between the first electrode and the second electrode. In response to the touch-control detection device detecting a touch-control operation, an actuator of the at least one actuator located in a region where the touch-control operation is performed vibrates.
    Type: Application
    Filed: October 30, 2018
    Publication date: January 30, 2020
    Inventors: Dong CHANG, Yuan DING, Donghua CHEN
  • Publication number: 20190244974
    Abstract: A display panel and a display apparatus are provided. A display panel includes a display region and a bonding region bonding a flexible circuit board with the display panel. The bonding region comprises a first surface located at a displaying side of the display panel and an opposing second surface, and includes a plurality of first pins and a plurality of second pins. The plurality of first pins are disposed at the first surface of the bonding region, and the plurality of second pins are disposed at the second surface of the bonding region. The display panel also includes a plurality of first transmission lines and a plurality of second transmission lines. A first transmission line is connected to a first pin, a second transmission line is connected to a second pin, and the second transmission line and the second pin are disposed at different film layers.
    Type: Application
    Filed: May 9, 2018
    Publication date: August 8, 2019
    Inventor: Donghua CHEN
  • Publication number: 20190207130
    Abstract: The present disclosure relates to a flexible display device, including a flexible substrate. The substrate includes a first portion, a second portion and a bending portion connecting the first portion to the second portion, wherein the flexible substrate has a thickness T. A plurality of display pixels is located at a side of the first portion of the flexible substrate. A supporting layer is located at a side of the flexible substrate facing away from the plurality of display pixels and includes a first supporting layer corresponding to the first portion and a second supporting area corresponding to the second portion. A thickness of the first supporting layer is T1, a thickness of the second supporting layer is T2, and a width of the bending portion is W, wherein W ? ( 2 ? T + T ? ? 1 + T ? ? 2 ) ? ? 2 . Therefore, a narrow border is achieved, and the problem of interference during bending is alleviated.
    Type: Application
    Filed: April 19, 2018
    Publication date: July 4, 2019
    Inventors: Yongxin HE, Dong CHANG, Donghua CHEN, Zhenying LI
  • Patent number: 10082833
    Abstract: The invention discloses a flexible display device including a fixed plate, a slidable plate, and a flexible display panel, wherein the slidable plate slides relative to the fixed plate with a bottom surface overlying the fixed plate; the flexible display panel disposed on the top surface of the slidable plate, wherein the flexible display panel includes a primary display section, and a secondary display section attached to the primary display section, wherein the secondary display section is foldable and retractable, wherein the primary display section is fastened to the top surface of the slidable plate; and wherein while the slidable plate slides relative to the fixed plate, the primary display section brings the retractable secondary display section between a folded position and an expanded position, and the fixed plate supports the primary display section and the secondary display section.
    Type: Grant
    Filed: July 5, 2017
    Date of Patent: September 25, 2018
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventor: Donghua Chen
  • Publication number: 20180181164
    Abstract: The invention discloses a flexible display device including a fixed plate, a slidable plate, and a flexible display panel, wherein the slidable plate slides relative to the fixed plate with a bottom surface overlying the fixed plate; the flexible display panel disposed on the top surface of the slidable plate, wherein the flexible display panel includes a primary display section, and a secondary display section attached to the primary display section, wherein the secondary display section is foldable and retractable, wherein the primary display section is fastened to the top surface of the slidable plate; and wherein while the slidable plate slides relative to the fixed plate, the primary display section brings the retractable secondary display section between a folded position and an expanded position, and the fixed plate supports the primary display section and the secondary display section.
    Type: Application
    Filed: July 5, 2017
    Publication date: June 28, 2018
    Inventor: Donghua CHEN