Patents by Inventor Jianfeng Yuan

Jianfeng Yuan 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: 20210328672
    Abstract: A digital optical fiber-based distributed signal control system mainly comprises a wireless signal access control module, a detection module, and a private network module. By means of reasonable frequency allocation and pre-selection filtering processing, modules can work together to implement control and detection of unauthorized mobile phone signals and guarantee communications of legal mobile phones, thereby achieving efficient coverage of a signal control area. A main control signal generated by a main control signal unit (SU) and an auxiliary control signal generated by a remote unit (RU) are mixed according to an algorithm, to achieve a better control effect in the entire signal control area.
    Type: Application
    Filed: December 28, 2018
    Publication date: October 21, 2021
    Inventors: Xingbao OU, Yongfu CAO, Jianfeng YANG, Yongchao YUAN
  • Publication number: 20210318193
    Abstract: The disclosure relates to a method, a system, a computer apparatus, and a storage medium for inspecting an operation period of a valve box. The method for inspecting the operation period of the valve box includes at least one of a pressure of the liquid outlet, a stress of the housing, and an acceleration of the housing is acquired. Single operation periods of the valve box are calculated according to at least one of the pressure of the liquid outlet, the stress of the housing, and the acceleration of the housing. Finally, the single operation periods of the valve box are accumulated to obtain a total operation period of the valve box.
    Type: Application
    Filed: July 18, 2020
    Publication date: October 14, 2021
    Inventors: Hongjie Yuan, Yunzhou Zhu, Xiaofang Li, Yixin Lu, He Wang, Kai Liu, Donglin Yang, Jianfeng Zhou
  • Publication number: 20210233469
    Abstract: Provided are a pixel driving circuit, a pixel driving method and a display panel. The pixel driving circuit includes: a driving circuit, a light emitting circuit, a storage circuit, a reset circuit, a light emitting control circuit and a writing compensation circuit; a first electrode of the storage circuit is coupled to a first node, a second electrode of the storage circuit is coupled to a second node; the reset circuit adjusts voltages of the first node and the second node; the writing compensation circuit writes a data signal of a data line terminal and a compensation data into the driving circuit through an adjustment of the storage circuit; the light emitting control circuit writes a display current, a magnitude of which is related only to the data signal and a voltage of the first voltage terminal, to the light emitting circuit by controlling the driving circuit.
    Type: Application
    Filed: April 8, 2020
    Publication date: July 29, 2021
    Inventors: Shuai CHEN, Xiuzhu TANG, Jianfeng YUAN, Hailong WU, Xing DONG, Zhenguo TIAN, Lijun XIONG, Xuebo LIANG, Xiaoke ZHOU, Jinjin CHEN, Tongguo MA
  • Publication number: 20210217374
    Abstract: The present disclosure provides a shift register, a drive method thereof, and a gate drive circuit. The shift register includes an input circuit, a reset circuit, a first output circuit, and a second output circuit. The input circuit is configured to provide an input signal from an input terminal to a first node. The reset circuit is configured to provide a first voltage from a first voltage terminal to the first node under the control of a reset signal from a reset signal terminal. The first output circuit is configured to output from a first output terminal one of a first clock signal and a second clock signal as a first scan signal. The second output circuit is configured to output from a second output terminal the other of the first clock signal and the second clock signal as a second scan signal.
    Type: Application
    Filed: March 1, 2019
    Publication date: July 15, 2021
    Applicants: Chongqing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Shuai CHEN, Xiuzhu TANG, Hailong WU, Jianfeng YUAN, Zhi ZHANG, Xuebo LIANG, Qian WANG, Qiyuan WEI, Qi LI
  • Patent number: 10825396
    Abstract: The present disclosure provides a pixel driving circuit and method thereof, a display driving circuit and method thereof, and a display panel. The pixel driving circuit includes: a first pixel driving sub-circuit configured to provide a driving signal to a driving signal output terminal in a first period and perform threshold voltage compensation on a second pixel driving sub-circuit in a second period under control of signals at a first scanning signal terminal, a first control signal terminal, and a first data signal terminal; and the second pixel driving sub-circuit configured to provide a driving signal to the driving signal output terminal in the second period and perform threshold voltage compensation on the first pixel driving sub-circuit in the first period under control of signals at a second scanning signal terminal, a second control signal terminal, and a second data signal terminal.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: November 3, 2020
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shuai Chen, Zhi Zhang, Xiuzhu Tang, Xing Dong, Zhenguo Tian, Xuebo Liang, Ying Huang, Jianfeng Yuan
  • Patent number: 10768468
    Abstract: The present disclosure provides a display substrate and a method for manufacturing the same, a display panel and a display device. The display substrate includes a base substrate; and a composite film structure formed on the base substrate and composed of at least two thin films having different refractive indexes, wherein the composite film structure is capable of absorbing light with a wavelength in a predetermined wavelength range, and the predetermined wavelength range is located between two adjacent peaks of visible light waves.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: September 8, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xibin Shao, Dongxi Li, Huibin Guo, Jianfeng Yuan
  • Patent number: 10627660
    Abstract: The disclosure provides an apparatus for identifying a binding marker and a device for binding. The apparatus for identifying a binding marker comprises an induction unit and an identification unit, the set position of the induction unit corresponding to the binding marker, and the induction unit being capable of inducing a charge when the binding marker is powered, the identification unit being coupled to the induction unit, and used for receiving the charge induced by the induction unit, and identifying the binding marker according to the induced charge. For the apparatus for identifying a binding marker, when the binding marker is powered, the induction unit may induce a charge, the identification unit may identify the binding marker according to the induced charge.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: April 21, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xi Chen, Dongxi Li, Jianfeng Yuan, Yao Liu
  • Publication number: 20200074929
    Abstract: The present disclosure provides a pixel driving circuit and method thereof, a display driving circuit and method thereof, and a display panel. The pixel driving circuit includes: a first pixel driving sub-circuit configured to provide a driving signal to a driving signal output terminal in a first period and perform threshold voltage compensation on a second pixel driving sub-circuit in a second period under control of signals at a first scanning signal terminal, a first control signal terminal, and a first data signal terminal; and the second pixel driving sub-circuit configured to provide a driving signal to the driving signal output terminal in the second period and perform threshold voltage compensation on the first pixel driving sub-circuit in the first period under control of signals at a second scanning signal terminal, a second control signal terminal, and a second data signal terminal.
    Type: Application
    Filed: February 1, 2019
    Publication date: March 5, 2020
    Inventors: Shuai Chen, Zhi Zhang, Xiuzhu Tang, Xing Dong, Zhenguo Tian, Xuebo Liang, Ying Huang, Jianfeng Yuan
  • Patent number: 10559698
    Abstract: Embodiments of the present application provide an Oxide TFT, a manufacturing method thereof, an array substrate and a display device. The Oxide TFT includes a base substrate; a gate electrode, a gate insulating layer and an active layer which are located on the base substrate; a source electrode and a drain electrode, the active layer is at least partly covered with the source electrode and the drain electrode; and a channel protection layer located between the source electrode and the drain electrode, each of the source electrode and the drain electrode includes at least part of a first metallic layer and at least part of a second metallic layer, the first metallic and the second metallic layer are stacked one on another, the channel protection layer is of a metal oxide.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: February 11, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xiaowei Liu, Bo Liu, Yang Wang, Liangliang Li, Zheng Liu, Hongjiang Wu, Jianfeng Yuan
  • Patent number: 10339846
    Abstract: The present disclosure provides a device and method for circuit testing and a display device applying the same. The device for circuit testing includes a detection circuit configured to detect whether a display panel and a printed circuit board are electrically conductive, wherein the detection circuit includes: a first metal redundant track configured to input an electrical detection signal; a second metal redundant track bonded to the first metal redundant track via a first anisotropic conductive film; a third metal redundant track electrically connected to the second metal redundant track; and a fourth metal redundant track bonded to the third metal redundant track via a second anisotropic conductive film.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: July 2, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Dongxi Li, Weiqiang Li, Yabin Lin, Jianfeng Yuan
  • Patent number: 10332913
    Abstract: The invention discloses an array substrate, a color substrate, and manufacturing methods thereof, a display panel and a display device. The array substrate includes a plurality of gate lines and a plurality of data lines provided on a first base substrate to be intersected with each other, the gate lines and the data lines define a plurality of pixel units and at least part of the pixel units each provided therein with a first electrode, when the plurality of gate lines are sequentially scanned, the first electrode is loaded with a first voltage signal and a region corresponding to the first electrode is in a transparent state, and when the plurality of gate lines are reversely scanned, the first electrode is loaded with a second voltage signal, and a region corresponding to the first electrode is in a non-transparent state. The invention realizes a high switchover efficiency.
    Type: Grant
    Filed: May 7, 2014
    Date of Patent: June 25, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Huabin Chen, Jianfeng Yuan
  • Patent number: 10310646
    Abstract: This disclosure discloses a touch display panel, a driving method thereof and a touch display device. The touch display panel comprises a first substrate and a second substrate aligned with each other; a first signal transmission line and a second signal transmission line arranged on the first substrate, the second signal transmission line intersecting with the first signal transmission line; gate lines and data lines arranged on the second substrate, the second substrate being further provided with a first signal output end and a second signal output end led out from the gate lines and arranged alternately; and a first spacer corresponding to the first signal transmission line and a second spacer corresponding to the second signal transmission line.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: June 4, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Huabin Chen, Ruirui Wang, Bin Feng, Jianfeng Yuan
  • Patent number: 10304861
    Abstract: The present disclosure provide an array substrate and a method of manufacturing the same, and a display panel. The array substrate includes: a base substrate; a first signal transmission layer comprising a common electrode line; a first insulating layer covering the first signal transmission layer and having a first through hole at a position corresponding to the common electrode line; a first electrode layer located on the first insulating layer, the first electrode layer comprising a connection electrode located at the position of the first through hole; a second insulating layer covering the first electrode layer and having a second through hole at a position corresponding to the connection electrode; and a second electrode layer comprising a common electrode that covers the second through hole; the connection electrode contacts the common electrode line and the common electrode respectively.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: May 28, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Shoukun Wang, Jianfeng Yuan, Huibin Guo, Yuchun Feng, Liangliang Li, Tsung-Chieh Kuo
  • Publication number: 20190097058
    Abstract: Embodiments of the present application provide an Oxide TFT, a manufacturing method thereof, an array substrate and a display device. The Oxide TFT includes a base substrate; a gate electrode, a gate insulating layer and an active layer which are located on the base substrate; a source electrode and a drain electrode, the active layer is at least partly covered with the source electrode and the drain electrode; and a channel protection layer located between the source electrode and the drain electrode, each of the source electrode and the drain electrode includes at least part of a first metallic layer and at least part of a second metallic layer, the first metallic and the second metallic layer are stacked one on another, the channel protection layer is of a metal oxide.
    Type: Application
    Filed: June 1, 2018
    Publication date: March 28, 2019
    Inventors: Xiaowei LIU, Bo LIU, Yang WANG, Liangliang LI, Zheng LIU, Hongjiang WU, Jianfeng YUAN
  • Patent number: 10215709
    Abstract: A detecting system configured for detecting flaws on an object to be detected, increasing: a display processing device; an tunable light source; at least one light transmitter, wherein the tunable light source is connected with the at least one light transmitter; at least one light receiver configured for cooperating with the at least one light transmitter, wherein the at least one light receiver is connected with the display processing device; wherein the display processing device is connected to the tunable light source, receives and processes information provided by the light receiver to form detection images, and is operable to adjust the tunable light source.
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: February 26, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Kui Liang, Jianfeng Yuan, Seung Moo Rim
  • Publication number: 20190049772
    Abstract: The disclosure provides an apparatus for identifying a binding marker and a device for binding. The apparatus for identifying a binding marker comprises an induction unit and an identification unit, the set position of the induction unit corresponding to the binding marker, and the induction unit being capable of inducing a charge when the binding marker is powered, the identification unit being coupled to the induction unit, and used for receiving the charge induced by the induction unit, and identifying the binding marker according to the induced charge. For the apparatus for identifying a binding marker, when the binding marker is powered, the induction unit may induce a charge, the identification unit may identify the binding marker according to the induced charge.
    Type: Application
    Filed: September 11, 2017
    Publication date: February 14, 2019
    Inventors: Xi CHEN, Dongxi LI, Jianfeng YUAN, Yao LIU
  • Patent number: 10114240
    Abstract: The present disclosure provides a spraying device and a coating method. The spraying device comprises a first spray unit and a second spray unit. The first spray unit is configured to spray a first solution for wetting a surface of a substrate, and the second spray unit is configured to spray a second solution for coating the surface of the substrate. During spraying, the second spray unit and the first spray unit advance in the same direction and the second spray unit is arranged behind the first spray unit in the advancing direction. In the present disclosure, the coated liquid diffuses across the surface of the substrate more quickly and uniformly, the alignment film formed on the surface of the substrate has a uniform thickness, thus avoiding mura due to an alignment film with a non-uniform thickness and improving quality of the display panel.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: October 30, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Kui Liang, Bin Feng, Jianfeng Yuan
  • Patent number: 10114283
    Abstract: The present disclosure provides a mask plate, an exposure device and an exposure method. The mask plate includes a base plate and a plurality of patterns with openings arranged on the base plate. The base plate includes a first region corresponding to a position where a developing agent has a low concentration in the case that a target substrate is to be developed, and a second region corresponding to a position where the developing agent has a high concentration in the case that the target substrate is to be developed. In the case that the target substrate is exposed using the mask plate, an amount of light beams passing through each pattern at the first region of the base plate is greater than an amount of the light beams passing through each pattern at the second region of the base plate.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: October 30, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Pengyu Qi, Changjun Zha, Yanping Wang, Dong Wang, Jianfeng Yuan, Xibin Shao, Yan Zhang, Jintao Xiao, Yangchen Guo
  • Publication number: 20180240384
    Abstract: The present disclosure provides a device and method for circuit testing and a display device applying the same. The device for circuit testing includes a detection circuit configured to detect whether a display panel and a printed circuit board are electrically conductive, wherein the detection circuit includes: a first metal redundant track configured to input an electrical detection signal; a second metal redundant track bonded to the first metal redundant track via a first anisotropic conductive film; a third metal redundant track electrically connected to the second metal redundant track; and a fourth metal redundant track bonded to the third metal redundant track via a second anisotropic conductive film.
    Type: Application
    Filed: September 29, 2017
    Publication date: August 23, 2018
    Inventors: Dongxi LI, Weiqiang LI, Yabin LIN, Jianfeng YUAN
  • Publication number: 20180240693
    Abstract: The present disclosure provides a binding device, a display panel, a binding system and an operating method thereof. The binding system includes the binding device and the display panel. The binding device includes a binding head, a support platform, a light emitter and a light receiver. Through a first alignment hole in the binding head, an alignment mark on the display panel and a second alignment hole in the support platform, the binding system monitors in real time a position and/or posture of the binding head, a position and/or flatness of a binding region of the display panel and an alignment degree between the binding head and the display panel using the light emitter and the light receiver.
    Type: Application
    Filed: September 29, 2017
    Publication date: August 23, 2018
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Dongxi LI, Jianfeng YUAN, Weiqiang LI