Patents by Inventor Zhiming Hu

Zhiming Hu 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: 10924030
    Abstract: A modular power supply system, includes: a main controller, configured to output a main control signal; N local controllers, wherein each of the local controllers is configured to receive the main control signal to output at least one local control signal; and N power units, in one-to-one correspondence with the N local controllers, wherein each of the power units includes a first end and a second end, the second end of each of the power units is connected to the first end of an adjacent one of the power units, each of the power units includes M power converters, and each of the power converters is configured to operate according to the local control signal output by a corresponding local controller, wherein each of the power units further includes: M sampling circuits, configured to sample positive DC bus voltages and negative DC bus voltages of the M power converters respectively.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: February 16, 2021
    Assignee: Delta Electronics (Shanghai) CO., LTD
    Inventors: Jianping Ying, Ming Wang, Xiaobo Huang, Jun Liu, Zhiming Hu
  • Publication number: 20210032970
    Abstract: The present invention discloses an in-situ leaching method and system. The ISL mining method provided by the present invention includes: constructing a vertical guiding well into an ore body; constructing a horizontal well towards the vertical guiding well, where the horizontal well includes a vertical section and a horizontal section; one end of the horizontal section is connected to the vertical section, and the other end of the horizontal section is connected to the vertical guiding well; constructing a plurality of vertical extraction wells towards the horizontal section; and simultaneously injecting lixiviant into the vertical section and the vertical guiding well by means of pressurized injection, and extracting leachate through the vertical extraction well. The ISL mining method and system provided by the present invention accomplish the injection through a horizontal well.
    Type: Application
    Filed: May 25, 2020
    Publication date: February 4, 2021
    Inventors: Zhaokun Li, Xuebin Su, Weimin Que, Genmao Zhou, Po Li, Yahui Tan, Zhiming Du, Baishi Hu, Hao Qin, Lizhi Yang
  • Patent number: 10885866
    Abstract: The present application provides a turn-on voltage supplying circuit and method, a defect analysis method and a display device. The turn-on voltage supplying circuit includes a voltage supplying unit and a switching unit. The voltage supplying unit is configured to provide turn-on voltages, values of which being within a predetermined range, to the M stages of gate driving circuits respectively in the case that the M stages of gate driving circuits are in a normal operation state, or provide corresponding turn-on voltages to the gate driving circuits in the case that the gate driving circuits are subject to a defect analysis process. M is an integer greater than 1. When the gate driving circuits are subject to the defect analysis process, the voltage supplying unit comprises variable resistors connected between a reference turn-on voltage outputting terminal and the turn-on voltage inputting terminals of the gate driving circuits.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: January 5, 2021
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Ming Hua, Xinyu Hu, Liwei Zhu, Luqiang Guo, Zhiming Meng, Yunfei Wang
  • Publication number: 20200280266
    Abstract: A control method of a multilevel converter includes: classifying power modules that start working, need to update an output state or stop working to form m power module groups; and controlling power modules in a same one of the power module groups to start working, update the output state or stop working at the same time, and sequentially controlling the m power module groups to start working, or update the output state or stop working, according to a preset time interval. The number of power modules in each power module group is less than or equal to a preset value, causing a change value of an output level of the each power module group to be less than or equal to a preset voltage value.
    Type: Application
    Filed: February 27, 2020
    Publication date: September 3, 2020
    Applicant: Delta Electronics (Shanghai) CO., LTD
    Inventors: Jianping YING, Wei XIE, Lan WEI, Jianfei ZHENG, Bingjie LIU, Dingkun SHEN, Zhiming HU, Wei XU, Yang LIU
  • Patent number: 10587258
    Abstract: A drive circuit of a power semiconductor switch includes: a pulse modulation circuit having a first terminal configured to receive a fault signal, an isolation transformer, and a pulse demodulation circuit; when there is no fault signal being received, the pulse modulation circuit outputs a first turn on pulse signal and a first turn off pulse signal via the isolation transformer and the pulse demodulation circuit to charge/discharge a gate capacitor of the power semiconductor switch, so as to drive the power semiconductor switch to be turned on and turned off at a first speed; when the fault signal is received, the pulse modulation circuit outputs a second turn off pulse signal via the isolation transformer and the pulse demodulation circuit to discharge the gate capacitor of the power semiconductor switch, so as to drive the power semiconductor switch to be turned off at a second speed.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: March 10, 2020
    Assignee: Delta Electronics, Inc.
    Inventors: Jianping Ying, Ming Wang, Xiaobo Huang, Jun Liu, Zhiming Hu
  • Patent number: 10573696
    Abstract: A display panel, a manufacturing method and driving method thereof are provided. The display panel includes a light transmittance adjusting layer and two pixel layers being respectively located on opposite surfaces of light transmittance adjusting layer. Each pixel layer includes multiple light-emitting units arranged in an array. Orthogonal projections of two pixel layers on the light transmittance adjusting layer do not overlap. When light transmittance of light transmittance adjusting layer is higher, light emitted from the light-emitting units on both surfaces of light transmittance adjusting layer is emergent from opposite sides through light transmittance adjusting layer. Two pixel layers display the same picture jointly. When light transmittance of light transmittance adjusting layer is lower, light emitted from light-emitting units on both surfaces of light transmittance adjusting layer cannot be transmitted through light transmittance adjusting layer to reach opposite sides.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: February 25, 2020
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Rui Guo, Weihao Hu, Boxiao Lan, Zhiming Meng, Hengyu Yan
  • Patent number: 10573640
    Abstract: An electro-static discharge assembly, an array substrate and a fabrication method thereof, and a display panel are provided. The electro-static discharge assembly includes: a base substrate; a semiconductor layer, a first insulating layer, a first auxiliary electrode, a first electrode and a second electrode provided on the base substrate, wherein the first electrode and the second electrode are spaced apart from each other and are respectively in contact with the semiconductor layer, the first auxiliary electrode is in contact with one of the first electrode and the second electrode, and the first insulating layer is provided between the first auxiliary electrode and both the first electrode and the second electrode.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: February 25, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Chen Ting Liu, Xiaodong Pan, Zhiming Hu, Chunxiang Nan
  • Publication number: 20200044555
    Abstract: A modular power supply system is configured to include: a main controller, configured to output a mam control signal; N local controllers, wherein each of the local controllers is configured to receive the main control signal to output at least one local control signal; N auxiliary power supplies, in one-to-one correspondence with the N local controllers, wherein each of the auxiliary power supplies is configured to provide power to the corresponding local controller; and N power units, in one-to-one correspondence with the N local controllers, wherein each of the power units includes a first end and a second end, the second end of each of the power units is connected to the first end of an adjacent one of the power units, each of the power units is configured to include M power converters, each of the power converters is configured to operate according to the local control signal.
    Type: Application
    Filed: December 15, 2017
    Publication date: February 6, 2020
    Applicant: Delta Electronics (Shanghai) CO., LTD
    Inventors: Jianping YING, Ming WANG, Xiaobo HUANG, Jun LIU, Zhiming HU
  • Publication number: 20200026946
    Abstract: A method for matching a license plate number, comprises: obtaining a first license plate number to be matched; obtaining a license plate number library, wherein the license plate number library includes at least one second license plate number; calculating, based on a visual similarity of characters, a difficult degree in editing a character string required to converting between each second license plate number and the first license plate number; and determining, according to the difficult degree in editing a character string, at least one second license plate number matched with the first license plate number.
    Type: Application
    Filed: September 27, 2019
    Publication date: January 23, 2020
    Inventors: Longsheng HU, Zhiming SHEN, Qingping JIANG
  • Patent number: 10515032
    Abstract: A system includes a host processor (105) and a peripheral device (708). The host processor (105) is coupled to the peripheral device (708) by a Peripheral Component Interconnect Express (PCIe) compliant link. The peripheral device (708) can include logic circuitry to identify, based on an application using the device and the host processor (105), a read to write ratio utilized by the application; and provide the read to write ratio to the host processor (105). The host processor (105) comprising logic circuitry to send a command signal to a device in communication with the hardware processor across a peripheral component interconnect express (PCIe) compliant link, the command signal indicating a transmission (TX) lane to receive (RX) lane ratio, the TX lane to RX lane ratio corresponding to the read to write ratio identified by the peripheral device (708); and receive an indication that the device is capable of supporting asymmetric TX and RX ratios.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: December 24, 2019
    Assignee: Intel Corporation
    Inventors: Zhiming Li, Xingping Ruan, Xiao Hu, Terrence Trausch, Robert Pebly, Xiang Zhou, Jie Yan
  • Publication number: 20190386560
    Abstract: A modular power supply system includes: a main controller, configured to output a main control signal; N local controllers, wherein each of the local controllers is configured to receive the main control signal to output at least one local control signal; and N power units, in one-to-one correspondence with the N local controllers, wherein each of the power units includes a first end and a second end, and the second end of each of the power units is connected to the first end of an adjacent one of the power units, each of the power units is configured to include M power converters, wherein each of the power converters includes a third end and a fourth end, the fourth end of each of the power converters is connected to the third end of an adjacent one of the power converters.
    Type: Application
    Filed: December 15, 2017
    Publication date: December 19, 2019
    Applicant: Delta Electronics (Shanghai) CO., LTD
    Inventors: Jianping YING, Ming WANG, Xiaobo HUANG, Jun LIU, Zhiming HU
  • Publication number: 20190386651
    Abstract: A drive circuit of a power semiconductor switch includes: a pulse modulation circuit having a first terminal configured to receive a fault signal, an isolation transformer, and a pulse demodulation circuit; when there is no fault signal being received, the pulse modulation circuit outputs a first turn on pulse signal and a first turn off pulse signal via the isolation transformer and the pulse demodulation circuit to charge/discharge a gate capacitor of the power semiconductor switch, so as to drive the power semiconductor switch to be turned on and turned off at a first speed; when the fault signal is received, the pulse modulation circuit outputs a second turn off pulse signal via the isolation transformer and the pulse demodulation circuit to discharge the gate capacitor of the power semiconductor switch, so as to drive the power semiconductor switch to be turned off at a second speed.
    Type: Application
    Filed: June 19, 2019
    Publication date: December 19, 2019
    Applicant: Delta Electronics,Inc.
    Inventors: Jianping YING, Ming WANG, Xiaobo HUANG, Jun LIU, Zhiming HU
  • Patent number: 10467943
    Abstract: An apparatus for compensating a display defect of a display panel is disclosed. The apparatus includes: a first interface for receiving a display drive signal to be applied to the display panel, the display drive signal including display data for respective pixels of the display panel; a second interface for receiving a temperature signal associated with the display panel; a compensation unit configured to compensate display data for a pixel at a position of the display defect based at least on the temperature signal; and a third interface for outputting the compensated display data. Also disclosed is a method of compensating a display defect of a display panel.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: November 5, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Weihao Hu, Luqiang Guo, Zhiming Meng, Jinhui Cheng, Chao Zhang
  • Publication number: 20190326831
    Abstract: A modular power supply system, includes: a main controller, configured to output a main control signal; N local controllers, wherein each of the local controllers is configured to receive the main control signal to output at least one local control signal; and N power units, in one-to-one correspondence with the N local controllers, wherein each of the power units includes a first end and a second end, the second end of each of the power units is connected to the first end of an adjacent one of the power units, each of the power units includes M power converters, and each of the power converters is configured to operate according to the local control signal output by a corresponding local controller, wherein each of the power units further includes: M sampling circuits, configured to sample positive DC bus voltages and negative DC bus voltages of the M power converters respectively.
    Type: Application
    Filed: December 15, 2017
    Publication date: October 24, 2019
    Applicant: Delta Electronics (Shanghai) CO., LTD
    Inventors: Jianping YING, Ming WANG, Xiaobo HUANG, Jun LIU, Zhiming HU
  • Publication number: 20190294187
    Abstract: A modular power supply system includes: a main controller, configured to output a main control signal; N local controllers, wherein each of the local controllers is configured to receive the main control signal to output at least one local control signal; and N power units, in one-to-one correspondence with the N local controllers, wherein each of the power units includes a first end and a second end, and the second end of each of the power units is connected to the first end of an adjacent one of the power units, each of the power units is configured to include M power converters, each of the power converters is configured to operate according to the local control signal, wherein the same local control signal controls the power semiconductor switches at an identical position in at least two of the M power converters to be simultaneously turned on and off.
    Type: Application
    Filed: December 15, 2017
    Publication date: September 26, 2019
    Applicant: Delta Electronics (Shanghai) CO., LTD
    Inventors: Jianping YING, Ming WANG, Xiaobo HUANG, Jun LIU, Zhiming HU
  • Publication number: 20190185840
    Abstract: The present disclosure discloses a thermophilic L-asparaginase mutant and screening and fermentation methods thereof, and belongs to the field of gene engineering, enzyme engineering and fermentation engineering. In bacillus subtilis 168, a Pyrococcus yayanosii CH1-derived L-asparaginase encoding gene is used as a template, and a mutation library is constructed by an error-prone PCR (epPCR) technology. A mutant strain with improved specific enzyme activity is screened through a high-flux screening method of synchronous cell disruption and enzyme activity measurement. Mutated residues included in a positive mutant are analyzed to construct a composite mutant strain S17G/A90S/R156S/K272A with improved specific enzyme activity and specific enzyme activity of 3108 U/mg. An expression quantity of the composite mutant strain in the bacillus subtilis 168 is increased through measures of a strong promoter P43 and RBS optimization.
    Type: Application
    Filed: January 24, 2019
    Publication date: June 20, 2019
    Inventors: Zhiming Rao, Xu Li, Xian Zhang, Shuqin Xu, Jingyi Hu, Meijuan Xu, Taowei Yang
  • Patent number: 10325563
    Abstract: A circuit and method for eliminating image sticking during power-on and power-off, the circuit for eliminating image sticking during power-on and power-off includes a voltage detecting module and a common signal writing module; the voltage detecting module detects whether an operating voltage is lower than a first threshold voltage during power-on, and detects whether the operating voltage is lower than a second threshold voltage during power-off; and the common signal writing module writes, when the operating voltage is lower than the first threshold voltage during power-on or the operating voltage is lower than the second threshold voltage during power-off, a signal with a voltage equal to a voltage at a common voltage signal terminal at the same timing, to a data line.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: June 18, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Rui Guo, Zongze He, Zhiming Meng, Weihao Hu, Yanping Liao
  • Patent number: 10321125
    Abstract: A control method and a control apparatus for a naked eye 3D display apparatus and a naked eye 3D display apparatus are described. The control method for a naked eye 3D display apparatus includes: detecting the position of a user; determining viewpoints where the left eye and right eye of the user are located according to the detected position of the user; and turning on sub-pixels corresponding to the determined viewpoints and turning off other sub-pixels. Such a control method enables a user is caused to only see those display pictures corresponding to viewpoints that need to be seen, thereby solving the problem of cross-talk between multiple viewpoints.
    Type: Grant
    Filed: July 20, 2015
    Date of Patent: June 11, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Zhiming Meng, Weihao Hu, Daekeun Yoon, Jianming Wang, Zongze He
  • Publication number: 20190148466
    Abstract: A display panel, a display device, a manufacturing method and driving method thereof are provided. The display panel includes a light transmittance adjusting layer and two pixel layers being respectively located on opposite surfaces of light transmittance adjusting layer. Each of the pixel layers includes multiple light-emitting units arranged in an array. Orthogonal projections of two pixel layers on the light transmittance adjusting layer do not overlap. When light transmittance of light transmittance adjusting layer is higher, light emitted from the light-emitting units on both surfaces of light transmittance adjusting layer is emergent from opposite sides through light transmittance adjusting layer. Two pixel layers display the same picture jointly. When light transmittance of light transmittance adjusting layer is lower, light emitted from light-emitting units on both surfaces of light transmittance adjusting layer cannot be transmitted through light transmittance adjusting layer to reach opposite sides.
    Type: Application
    Filed: July 30, 2018
    Publication date: May 16, 2019
    Inventors: Rui Guo, Weihao Hu, Boxiao Lan, Zhiming Meng, Hengyu Yan
  • Publication number: 20190138470
    Abstract: A system includes a host processor (105) and a peripheral device (708). The host processor (105) is coupled to the peripheral device (708) by a Peripheral Component Interconnect Express (PCIe) compliant link. The peripheral device (708) can include logic circuitry to identify, based on an application using the device and the host processor (105), a read to write ratio utilized by the application; and provide the read to write ratio to the host processor (105). The host processor (105) comprising logic circuitry to send a command signal to a device in communication with the hardware processor across a peripheral component interconnect express compliant link, the command signal indicating a transmission (TX) lane to receive (RX) lane ratio, the TX lane to RX lane ratio corresponding to the read to write ratio identified by the peripheral device (708); and receive an indication that the device is capable of supporting asymmetric TX and RX ratios.
    Type: Application
    Filed: July 1, 2016
    Publication date: May 9, 2019
    Applicant: Intel Corporation
    Inventors: Zhiming Li, Xingping Ruan, Xiao Hu, Terrence Trausch, Robert Pebly, Xiang Zhou, Jie Yan