Patents by Inventor Yanchen Li

Yanchen Li 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: 20210240044
    Abstract: A display substrate includes a base substrate, and a signal line and a pixel electrode arranged on the base substrate at different layers. The display substrate further includes a first transparent conductive pattern arranged between the pixel electrode and the signal line, a portion of the first transparent conductive pattern is arranged under the pixel electrode, a first passivation layer is arranged between the first transparent conductive pattern and the signal line, a second passivation layer is arranged between the first transparent conductive pattern and the pixel electrode, and the first transparent conductive pattern is electrically connected to a common electrode line of the display substrate.
    Type: Application
    Filed: April 29, 2019
    Publication date: August 5, 2021
    Inventors: Yao BI, Yu ZHAO, Hongliang YUAN, Yanchen LI, Jian WANG
  • Publication number: 20210225250
    Abstract: There are provided in the present disclosure a shift register and a driving method thereof, a gate driving circuit and a display apparatus. The shift register of the present disclosure includes: a forward scanning input sub-circuit for pre-charging a potential of a pull-up node by an operation level signal under control of a forward input signal and a forward scanning signal upon scanning forwards; a backward scanning input sub-circuit for pre-charging the potential of the pull-up node by an operation level signal under control of a backward input signal and a backward scanning signal upon scanning backwards; an output sub-circuit for outputting a clock signal through a signal output terminal under control of the potential of the pull-up node; wherein the pull-up node is a connection node of the forward scanning input sub-circuit, the backward scanning input sub-circuit and the output sub-circuit.
    Type: Application
    Filed: February 8, 2018
    Publication date: July 22, 2021
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wang GUO, Yanchen LI, Yue LI, Jinyu LI, Dawei FENG, Yu ZHAO, Shaojun HOU, Dong WANG, Mingyang LV
  • Publication number: 20210191544
    Abstract: The present disclosure provides a touch panel, an array substrate and a display device. The touch panel includes a touch control electrode unit including a first electrode and a second electrode which are insulated from each other, and the second electrode surrounds the first electrode. In the touch panel in which the second electrode surrounds the first electrode in the touch control electrode unit, since the first electrode and the second electrode are provided independently, touch control driving and sensing are performed on the first electrode and the second electrode respectively when the touch panel is being touched.
    Type: Application
    Filed: February 12, 2018
    Publication date: June 24, 2021
    Inventors: Xingyou LUO, Yue LI, Xi CHEN, Yanchen LI, Jinyu LI, Dawei FENG, Yu ZHAO, Shaojun HOU, Dong WANG, Mingyang LV, Wang GUO
  • Patent number: 11042251
    Abstract: An in-cell touch panel and a display device are provided. The in-cell touch panel includes wires (03) and self-capacitive electrodes (02), and further includes a plurality of connecting line groups (04) not disposed in the same layer as the self-capacitive electrodes (02). Each of the connecting line groups (04) includes a plurality of sub connecting lines (041) disposed separately, sub connecting lines (041) belonging to a same connecting line group correspond to different ones of the self-capacitive electrodes (02), respectively, and each sub connecting line (041) is connected to a respective self-capacitive electrode through at least one via hole (V) penetrating an insulating layer (05). No via hole is provided in the region where the wires and the self-capacitive electrodes overlap, and each wire (03) is connected to a respective self-capacitive electrode (02) through at least one sub connecting line (041) that is connected to the respective self-capacitive electrode.
    Type: Grant
    Filed: August 13, 2015
    Date of Patent: June 22, 2021
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yanchen Li, Rui Xu, Shengji Yang, Weijie Zhao
  • Publication number: 20210166595
    Abstract: The present disclosure provides a shift register unit, a driving method thereof, a gate driver circuit and a display device. The shift register unit includes: a first input subcircuit configured to transmit a first voltage signal to a pull-up node under a control of a first input signal; an output subcircuit configured to transmit a clock signal to a first output end and to transmit a second voltage signal to a second output end; a storage unit having a first end coupled to the pull-up node and a second end coupled to the first output end; a first pull-down subcircuit configured to pull down a voltage of the first output end and the second output end; and a second pull-down subcircuit configured to pull down a voltage of the first output end and the second output end.
    Type: Application
    Filed: September 22, 2017
    Publication date: June 3, 2021
    Inventors: Jinyu LI, Yue LI, Xi CHEN, Yanchen LI, Xingyou LUO, Dawei FENG, Shaojun HOU, Dong WANG, Yu ZHAO, Mingyang LV, Wang GUO
  • Publication number: 20210129437
    Abstract: A light valve panel and a manufacturing method thereof, a three-dimensional printing system, and a three-dimensional printing method are disclosed. The light valve panel includes a first light valve array substrate and at least one second light valve array substrate, the first light valve array substrate and the at least one second light valve array substrate are arranged in a stack; the first light valve array substrate includes a plurality of first pixel units arranged in an array, and the second light valve array substrate includes a plurality of second pixel units arranged in an array; and an orthographic projection of at least one of the second pixel units on the first light valve array substrate partially overlaps with at least one of the first pixel units.
    Type: Application
    Filed: March 19, 2020
    Publication date: May 6, 2021
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jinyu LI, Yanchen LI, Haobo FANG, Yu ZHAO, Dawei FENG, Dong WANG, Wang GUO, Hailong WANG
  • Patent number: 10991333
    Abstract: A memory in-pixel (MIP) circuit, a driving method of the MIP circuit, and an LCD panel fabricated using the MIP circuit. The MIP circuit comprising an input circuit, a control circuit and an output circuit. The input circuit brings the first input terminal and the second input terminal into conduction with a first node and a second node respectively in response to the first control signal of the first control terminal being active. The control circuit is configured to set and maintain the potential of a third node or a fourth node active based on the potential of the first node and the second node. The output circuit is configured to bring the output terminal into conduction with the first or second input terminal according to the potential of the third and the fourth node in response to the second control signal of the second control terminal being active.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: April 27, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wang Guo, Yue Li, Yanchen Li, Mingyang Lv, Yu Zhao, Dawei Feng
  • Publication number: 20200363890
    Abstract: A display substrate, a manufacturing method thereof and a touch display device are disclosed. The display substrate includes a plurality of pixel units arranged in an array, every column of pixel units is provided with one corresponding first data line, every adjacent three columns of pixel units constitute one pixel unit group, and one second data line and one touch signal line are provided between every adjacent two pixel unit groups; between every adjacent two pixel unit groups, the second data line and the first data line are located at two sides of the touch signal line, respectively; and for the pixel unit adjacent to the second data line, a coupling capacitance between the pixel unit and the first data line adjacent to the pixel unit is as same as a coupling capacitance between the pixel unit and the second data line adjacent to the pixel unit.
    Type: Application
    Filed: April 24, 2019
    Publication date: November 19, 2020
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dong WANG, Yue LI, Wang GUO, Mingyang LV, Yu ZHAO, Yanchen LI, Hailong WANG, Hongbo FENG, Jinyu LI
  • Publication number: 20200333582
    Abstract: An electrowetting display panel includes a plurality of subpixels. Each of the plurality of subpixels having a subpixel area and an hater-subpixel area. The electrowetting display panel includes a first substrate, including a first insulating layer, a first electrode layer on the first insulating layer, and a first lyophobic layer on a side of the first electrode layer away from the first insulating layer; a second substrate facing the first substrate, including a second electrode layer, and a second lyophobic layer on the second electrode layer; and a plurality of sealing elements between the first substrate and the second substrate to define a plurality of fluid channels, each of the plurality of sealing elements being in the inter-subpixel area. The electrowetting display panel includes a first fluid reservoir and a respective one of the plurality of fluid channels between the first lyophobic layer and the second lyophobic layer.
    Type: Application
    Filed: January 7, 2019
    Publication date: October 22, 2020
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.
    Inventors: Mingyang Lv, Yue Li, Yanchen Li, Jinyu Li, Yu Zhao, Dawei Feng, Wang Guo
  • Publication number: 20200314367
    Abstract: A pixel circuit, a driving method thereof, an array substrate, and a display device are provided. The pixel circuit includes signal inputting sub-circuit, signal reading sub-circuit, and photosensitive element. The signal inputting sub-circuit is configured to: under control of inputting control terminal, turn on coupling between signal inputting terminal and first terminal of photosensitive element in signal writing period, and turn off coupling between signal inputting terminal and first terminal of photosensitive element in exposure period and signal reading period. The signal reading sub-circuit is configured to: under control of reading control terminal, turn off coupling between first terminal of photosensitive element and signal reading terminal in signal writing period and exposure period, and turn on coupling between first terminal of photosensitive element and signal reading terminal in signal reading period.
    Type: Application
    Filed: December 5, 2019
    Publication date: October 1, 2020
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yu Zhao, Yanchen Li, Xianwei Sui, Mengmeng Ma, Dawei Feng, Hailong Wang
  • Patent number: 10706806
    Abstract: A pixel driving circuit includes a pixel unit including a blue sub-pixel connected to a data line to receive a data voltage, and a limit circuit connected between the data line and a reference voltage line configured to transfer a fixed DC voltage, the limit circuit being configured to limit the received data voltage when the received data voltage exceeds a voltage threshold.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: July 7, 2020
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yu Zhao, Yue Li, Yanchen Li, Jinyu Li, Dong Wang, Shaojun Hou, Mingyang Lv, Dawei Feng, Wang Guo
  • Patent number: 10678101
    Abstract: Provided is a liquid crystal grating including: a first substrate; a second substrate opposite to the first substrate; a liquid crystal layer between the first substrate and the second substrate; a first electrode structure on the first substrate; and a second electrode structure on the second substrate. The first electrode structure and the second electrode structure are configured to receive control signals, the control signal including a first set of control signals and a second set of control signals; to cause the liquid crystal grating to have a first grating pitch in response to the first set of control signals; and to cause the liquid crystal grating to have a second grating pitch in response to the second set of control signals, the second grating pitch being different from the first grating pitch.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: June 9, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yanchen Li, Yue Li, Jian Wang, Yu Zhao, Wenjun Xiao
  • Publication number: 20200171491
    Abstract: A digital microfluidic chip and a digital microfluidic system. The digital microfluidic chip comprises: an upper substrate and a lower substrate arranged opposite to each other; multiple driving circuits and multiple addressing circuits disposed between the lower substrate and the upper substrate; and a control circuit, electrically connected to the driving circuits and the addressing circuits. The control circuit is configured to apply, in a driving stage, a driving voltage to each driving circuit, such that a droplet is controlled to move inside a droplet accommodation space according to a set path, measure, in a detection stage, after a bias voltage is applied to each addressing circuit, a charge loss amount of each addressing circuit, and to determine the position of the droplet according to the charge loss amount. The charge loss amount of each addressing circuit is related to the intensity of received external light.
    Type: Application
    Filed: July 26, 2019
    Publication date: June 4, 2020
    Inventors: Mingyang LV, Yue LI, Yanchen LI, Jinyu LI, Dawei FENG, Yu ZHAO, Dong WANG, Wang GUO, Hailong WANG, Yue GENG, Peizhi CAI, Fengchun PANG, Le GU, Chuncheng CHE, Haochen CUI, Yingying ZHAO, Nan ZHAO, Yuelei XIAO, Huyi LIAO
  • Publication number: 20200164950
    Abstract: A modular multipurpose offshore operation platform comprises a floating structure having a lower portion submerged below the surface of the sea, and a platform structure provided at an upper surface of the floating structure. An integrated work platform comprises at least two modular multipurpose offshore operation platforms. Framework structures of two adjacent operation platforms are detachably and fixedly connected, and floor boards of the operation platforms collectively form a deck. A transportation method transports goods to the platform by means of a hoist, and a hoist bracket with a rotating roller. The platform can achieve standardized production, and is flexible and has multiple functions.
    Type: Application
    Filed: June 25, 2018
    Publication date: May 28, 2020
    Inventors: Renge LI, Huakun LI, Tiao YU, Shaoyuan PENG, Fei ZENG, Shenxin LIU, Zhe HU, Wei XIONG, Yanchen LI, Sixuan HUANG
  • Publication number: 20200160806
    Abstract: A memory in-pixel (MIP) circuit, a driving method of the MIP circuit, and an LCD panel fabricated using the MIP circuit. The MIP circuit comprising an input circuit, a control circuit and an output circuit. The input circuit brings the first input terminal and the second input terminal into conduction with a first node and a second node respectively in response to the first control signal of the first control terminal being active. The control circuit is configured to set and maintain the potential of a third node or a fourth node active based on the potential of the first node and the second node. The output circuit is configured to bring the output terminal into conduction with the first or second input terminal according to the potential of the third and the fourth node in response to the second control signal of the second control terminal being active.
    Type: Application
    Filed: November 6, 2019
    Publication date: May 21, 2020
    Inventors: Wang GUO, Yue LI, Yanchen LI, Mingyang LV, Yu ZHAO, Dawei FENG
  • Patent number: 10649564
    Abstract: A touch display panel and a display device are disclosed. The touch display panel includes a plurality of touch signal lines and a plurality of data lines disposed in a display area, and a plurality of lead terminals disposed in a peripheral area. The plurality of lead terminals includes a plurality of first terminals respectively connected to the plurality of data lines and a plurality of second terminals respectively connected to the plurality of touch signal lines. The plurality of lead terminals are arranged in a matrix. The first terminals and the second terminals are provided in a row direction or a column direction so as to be consistent with the sequence in which the data lines connected to the first terminals and the touch signal lines connected to the second terminals are arranged.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: May 12, 2020
    Assignees: BOE Technology Group Co., Ltd., Beijing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Jinyu Li, Yue Li, Yanchen Li
  • Patent number: 10571705
    Abstract: The embodiments of the present disclosure provide a liquid crystal grating, a 3D display device, and a driving method thereof, relating to the field of display technology, and improving the 3D display effect. The liquid crystal grating includes a first substrate and a second substrate disposed opposite to each other, a liquid crystal layer and a plurality of spacers, the liquid crystal layer and the plurality of spacers being disposed between the first substrate and the second substrate, the liquid crystal grating is configured to form alternating light transmitting regions and dark state regions if power is applied, along a first direction perpendicular to an extending direction of a light transmitting region, the plurality of spacers are arranged with a period, a width of the light transmitting region is a positive integer multiple of the period.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: February 25, 2020
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zijing Zhang, Hongliang Yuan, Yanchen Li, Xiaojuan Wu, Li Ma, Huishun Chen, Yao Bi, Qi Zheng, Zhiqiang Zhao, Yu Zhao
  • Publication number: 20190351418
    Abstract: A microfluidic chip configured to move a microdroplet along a predetermined path, includes a plurality of probe electrode groups spaced apart along the predetermined path. Each of the plurality of probe electrode groups includes a first probe electrode and a second probe electrode spaced apart from each other. The first probe electrode and the second probe electrode among a plurality of first probe electrodes and a plurality of second probe electrodes are configured to form an electrical loop with the microdroplet to thereby facilitate determining a position of the microdroplet.
    Type: Application
    Filed: December 25, 2018
    Publication date: November 21, 2019
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Mingyang LV, Yue LI, Jinyu LI, Yanchen LI, Dawei FENG, Dong WANG, Yu ZHAO, Shaojun HOU, Wang GUO
  • Publication number: 20190353915
    Abstract: The embodiments of the present disclosure provide a liquid crystal grating, a 3D display device, and a driving method thereof, relating to the field of display technology, and improving the 3D display effect. The liquid crystal grating includes a first substrate and a second substrate disposed opposite to each other, a liquid crystal layer and a plurality of spacers, the liquid crystal layer and the plurality of spacers being disposed between the first substrate and the second substrate, the liquid crystal grating is configured to form alternating light transmitting regions and dark state regions if power is applied, along a first direction perpendicular to an extending direction of a light transmitting region, the plurality of spacers are arranged with a period, a width of the light transmitting region is a positive integer multiple of the period.
    Type: Application
    Filed: January 4, 2018
    Publication date: November 21, 2019
    Inventors: Zijing ZHANG, Hongliang YUAN, Yanchen LI, Xiaojuan WU, Li MA, Huishun CHEN, Yao BI, Qi ZHENG, Zhiqiang ZHAO, Yu ZHAO
  • Patent number: 10416812
    Abstract: Embodiments of the invention provide display substrate, method for testing the same and display apparatus. The display substrate includes pixel regions arranged in matrix and test unit, each pixel region being provided with first electrode, wherein the test unit includes at least two test sub-units; first electrodes provided in adjacent pixel regions correspond to electrode block, and electrode blocks are electrically isolated from each other and divided, in accordance with their positions, into at least two test groups whose number is the same as that of the test sub-units; the electrode blocks of a same test group are provided spaced apart from each other in both row and column directions, and all the electrode blocks in the same test group are connected to one test sub-unit. The test unit can accurately test open or short defect existing in the display substrate, thereby improving test accuracy and lowering production costs.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: September 17, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yanchen Li, Panhua Wang