Patents by Inventor Libin Liu

Libin 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: 12058910
    Abstract: A display substrate including a first display area including a plurality of first sub-pixels, a plurality of second sub-pixels and a plurality of third sub-pixels, wherein the display substrate includes a plurality of first pixel groups each of which includes two third sub-pixels, one first sub-pixel and one second sub-pixel, the two third sub-pixels are arranged adjacent to each other along a first direction, the one first sub-pixel and the one second sub-pixel are adjacent to at least one of the two third sub-pixels, located on both sides of a straight line passing centers of the two third sub-pixels, and arranged along a second direction different from the first direction; a size of the first sub-pixel and the second sub-pixel in the second direction is smaller than a size of the first sub-pixel and the second sub-pixel in the first direction, respectively.
    Type: Grant
    Filed: December 15, 2021
    Date of Patent: August 6, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lujiang Huangfu, Xiaodan Jin, Yinan Liang, Zhenzhen Li, Wenjing Tan, Libin Liu, Qian Yang, Hongli Wang
  • Patent number: 12052901
    Abstract: The present disclosure provides a display substrate, a manufacturing method thereof, and a display device. The display substrate includes a display area and a non-display area located at a periphery of the display area, wherein the display area includes a plurality of pixel opening areas and a pixel spacing area located between the pixel opening areas; the display substrate further includes: a first electrode, wherein at least part of the first electrode is located in the pixel spacing area, an orthographic projection of the first electrode on a substrate of the display substrate does not overlap an orthographic projection of the pixel opening area on the substrate; and a second electrode electrically connected to the first electrode and located in the non-display area.
    Type: Grant
    Filed: March 15, 2021
    Date of Patent: July 30, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Libin Liu, Mei Li, Shiming Shi, Li Wang
  • Publication number: 20240251615
    Abstract: The present disclosure provides a display substrate and a display device. The display substrate includes a first reference voltage line, a second reference voltage line and a first reference voltage auxiliary line, the first reference voltage line, the second reference voltage line and the first reference voltage auxiliary line are respectively disposed in one of a second wiring layer, a third wiring layer and a fourth wiring layer, the first reference voltage line is electrically coupled to the first reference voltage auxiliary line through via holes penetrating an insulating layer therebetween, the first reference voltage line and the first reference voltage auxiliary line extend in different directions, the second reference voltage line and the first reference voltage auxiliary line extend in a same direction, the first reference voltage line extends in a row or column direction, and the second reference voltage line extends in the row or column direction.
    Type: Application
    Filed: January 8, 2024
    Publication date: July 25, 2024
    Inventors: Li WANG, Libin LIU
  • Patent number: 12048212
    Abstract: Provided are a wiring structure of a pixel driving circuit, a display panel, and a display device. The wire layout includes: a first switching element, a second switching element and a driving transistor. A source electrode of the driving transistor is connected to a power signal line. The power signal line includes a first power signal line that is in a same direction as a data signal line, and the data signal line is arranged at a position of the first power signal line away from a gate electrode of the driving transistor.
    Type: Grant
    Filed: August 19, 2022
    Date of Patent: July 23, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yipeng Chen, Libin Liu, Yunfei Li
  • Patent number: 12034079
    Abstract: Provided are an array substrate and a fabrication method therefor, a shift register unit, and a display panel. The array substrate includes a first transistor having a double gate structure, and further includes an active layer arranged on one side of the base substrate and a first conductive layer. The active layer includes a first conductor portion connected between a first semiconductor portion and a second semiconductor portion, the first semiconductor portion and a second semiconductor portion forming a channel region of the first transistor. The first conductive layer includes a first conductive portion connected to a stable voltage source, an orthographic projection of the first conductive portion on the base substrate at least partially overlaps with an orthographic projection of the first conductor portion on the base substrate, and the first conducting portion and the first conductor portion form two electrodes of a parallel-plate capacitor.
    Type: Grant
    Filed: April 2, 2021
    Date of Patent: July 9, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yuhan Qian, Libin Liu
  • Patent number: 12035589
    Abstract: The present disclosure discloses a display substrate and a display device. The display substrate comprises: a display area, a binding area, and a fan-out area located between the display area and the binding area, the fan-out area comprises a touch control lead wire, a data lead wire, and at least one shielded wire located between the touch control lead wire and the data lead wire, and the at least one shielded wire is grounded or connected to a fixed potential.
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: July 9, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Can Zheng, Libin Liu, Shiming Shi, Zewen Bo
  • Publication number: 20240221794
    Abstract: Embodiments of the present disclosure disclose a shift register unit, a driving method thereof, and a device. The shift register unit includes an input circuit, a node control circuit, a first control output circuit, a second control output circuit and an output circuit. By providing the first control output circuit and the second control output circuit, the first control output circuit and the second control output circuit may operate alternately, so that the first control output circuit and the second control output circuit may have time for characteristics recovery respectively, thus improving the service life and output stability of the shift register unit.
    Type: Application
    Filed: March 15, 2024
    Publication date: July 4, 2024
    Inventors: Guangliang SHANG, Xinshe YIN, Qian YANG, Libin LIU, Shiming SHI, Dawei WANG
  • Publication number: 20240216949
    Abstract: Provided are an abrasion-resistant, stable and flame-resistant superhydrophobic/superoleophobic coating, and a preparation and application thereof, belonging to the field of new materials; the preparation includes: taking a superhydrophobic/superoleophobic suspension as a top-layer spraying solution; dispersing epoxy resin in a solvent, and adding a fluorine-containing curing agent and a flame retardant for reaction to obtain a bottom-layer spraying solution; and first spraying the bottom-layer spraying solution to a surface of a substrate, then spraying the top-layer spraying solution, and drying the surface to obtain a bilayer abrasion-resistant superhydrophobic flame-resistant coating; the superhydrophobic/superoleophobic suspension contains multi-level micro nano structural particles, a fluorine-containing curing agent and fluorinated epoxy resin; the prepared single-layer coating and bilayer structure (BLC) have hydrophobicity, flame resistance, good mechanical properties and excellent corrosion resistan
    Type: Application
    Filed: May 20, 2022
    Publication date: July 4, 2024
    Inventors: Libin LIU, Qing BAN, Haihui JIANG, XingXiang JI, Furong TAO, Ligang GAI, Hailong ZHANG, Xinyu BU
  • Patent number: 12029103
    Abstract: A flexible display apparatus is provided. The flexible display apparatus includes a unitary flexible display panel having a display area, a peripheral area, and a bendable area connecting the display area and the peripheral area, wherein the bendable area includes one or more wire-free portions configured to absorb impact applied on the bendable area; a support sandwiched between the display area and the peripheral area, wherein the support has a first side, a second side facing the first side, and a third side connecting the first side and the second side, the display area is on the first side, the peripheral area is on the second side, and the unitary flexible display panel is bend about the third side; and a driving circuit in the peripheral area and connecting to a plurality of signal lines extending through the bendable area into the display area.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: July 2, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Yonghong Zhou, Libin Liu
  • Publication number: 20240215344
    Abstract: An array substrate is provided. A respective pixel driving circuit of the array substrate includes a driving transistor, a storage capacitor, and a transistor having a gate electrode connected to a respective second gate line of a plurality of second gate lines, a first electrode connected to a first capacitor electrode of the storage capacitor, and a second electrode connected to a second electrode of a first reset transistor, the transistor being configured to receive a reset signal through the first reset transistor. An active layer of the driving transistor and an active layer of the transistor are spaced apart from each other by at least an insulating layer. The active layer of the driving transistor comprises a first semiconductor material. The active layer of the transistor comprises a second semiconductor material different from the first semiconductor material.
    Type: Application
    Filed: August 30, 2021
    Publication date: June 27, 2024
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Yu Feng, Libin Liu, Jiangnan Lu
  • Publication number: 20240212590
    Abstract: The present disclosure provides a pixel array and a display apparatus. The pixel array includes a plurality of first sub-pixels having a first color, a plurality of second sub-pixels having a second color, and a plurality of third sub-pixels having a third color; wherein at least a portion of at least one first sub-pixel of the plurality of first sub-pixels includes an inward indentation, at least a portion of at least one second sub-pixel of the plurality of second sub-pixels includes an inward indentation, and at least one of the plurality of third sub-pixels adjacent to the at least one second sub-pixel includes an outward protrusion corresponding to the inward indentation of the at least one second sub-pixel.
    Type: Application
    Filed: October 29, 2021
    Publication date: June 27, 2024
    Inventors: Jiangnan LU, Shiming SHI, Hui ZHAO, Libin LIU, Yanyan WANG, Weiwei WANG
  • Publication number: 20240212598
    Abstract: A pixel circuit, a driving method and a display device. The pixel circuit includes a driving circuit, a first initialization circuit and a reset circuit; the first initialization circuit configured to write a first initial voltage into the first end of the driving circuit under the control of an initialization control signal; the reset circuit is configured to write a reset voltage into the second end of the driving circuit or the first end of the driving circuit under the control of a second scan signal; the driving circuit is configured to control to connect the first end of the driving circuit and the second end of the driving circuit under the control of a potential of a control end of the driving circuit.
    Type: Application
    Filed: July 30, 2021
    Publication date: June 27, 2024
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiyu ZHAO, Libin LIU, Yu FENG, Li WANG, Yao HUANG, Benlian WANG, Weiyun HUANG, Rui WANG
  • Patent number: 12020651
    Abstract: A display panel, a display device and a driving method are disclosed, the display panel includes a first display region and a second display region, the first display region includes rows of first pixel units, the second display region includes rows of second pixel units; the display panel further includes a first scan driving circuit for controlling the rows of first pixel units to emit light, and a second scan driving circuit for controlling the rows of second pixel units to emit light, and the driving method includes: providing a first start signal to the first scan driving circuit, and providing a second start signal to the second scan driving circuit; the second start signal and the first start signal are applied independently, respectively.
    Type: Grant
    Filed: May 25, 2023
    Date of Patent: June 25, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Weiyun Huang, Libin Liu, Chao Zeng, Yao Huang, Meng Li, Yue Long
  • Publication number: 20240206266
    Abstract: Provided is an organic light-emitting diode display substrate, including: a source/drain layer, a planarization layer and an anode layer which are laminated in sequence, wherein the source/drain layer includes at least one pair of first signal lines; the anode layer includes a common power line, wherein the common power line is provided with vent holes; overlapping areas between two first signal lines in each pair of the first signal lines and a projection pattern of the vent hole are equal, the overlapping area being greater than 0, wherein the projection pattern of the vent hole is a pattern of an orthographic projection of the vent hole in the common power line on the source/drain layer. A display panel and a display device are also provided.
    Type: Application
    Filed: February 28, 2024
    Publication date: June 20, 2024
    Inventors: Jiangnan LU, Guangliang SHANG, Can ZHENG, Yu FENG, Libin LIU, Jie ZHANG, Mei LI
  • Publication number: 20240194141
    Abstract: A display substrate, a preparation method thereof, a display panel, and a display device are provided. The display substrate includes a base substrate and a repeating unit, the repeating unit includes a plurality of sub-pixels including a first sub-pixel and a second sub-pixel, a color of light emitted by a light-emitting element of the first sub-pixel is identical to a color of light emitted by a light-emitting element of the second sub-pixel, a shape of a first light-emitting voltage application electrode of the light-emitting element of the first sub-pixel is different from a shape of a first light-emitting voltage application electrode of the light-emitting element of the second sub-pixel.
    Type: Application
    Filed: February 19, 2024
    Publication date: June 13, 2024
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Libin LIU, Mei LI, Hongli WANG
  • Publication number: 20240185937
    Abstract: A shift register unit and a driving method thereof, a gate drive circuit, and a display device are disclosed. The shift register unit includes: an input circuit, a first control circuit, an output circuit, an output noise reduction circuit, and a reset circuit; wherein the input circuit is connected to an input terminal; the first control circuit is connected to the first node, a second node, and a first clock signal terminal; the output circuit is connected to an output terminal; the output noise reduction circuit is connected to the output terminal; and the reset circuit is connected to a total reset terminal and a first voltage terminal, wherein the total reset signal is an invalid level in a first operation stage, and the total reset signal includes at least one period of valid level in a second operation stage.
    Type: Application
    Filed: May 31, 2021
    Publication date: June 6, 2024
    Inventors: Guangliang SHANG, Libin LIU, Jiangnan LU, Yu FENG, Xinshe YIN, Shiming SHI
  • Patent number: 12002425
    Abstract: Provided are a pixel circuit and a driving method therefor, and a display apparatus. The pixel circuit includes a drive transistor, a reset circuit, a data writing circuit, a storage capacitor circuit, a threshold value compensation circuit, a conduction control circuit, a light-emitting control circuit, and a light-emitting device; the conduction control circuit is configured to: conduct the threshold value compensation circuit with the gate of the drive transistor, and conduct the reset circuit with the gate of the drive transistor at the reset stage, the threshold value detecting stage and the data writing stage; and cut off a conducting state of the threshold value compensation circuit with the gate of the drive transistor, and cut off a conducting state of the reset circuit with the gate of the drive transistor at the driving stage; where the conduction control circuit includes an oxide semiconductor thin film transistor.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: June 4, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Lujiang Huangfu, Li Wang, Jianchao Zhu, Libin Liu
  • Patent number: 12002407
    Abstract: A shift register circuit includes a denoising control sub-circuit and a denoising sub-circuit. The denoting control sub-circuit is configured to generate an alternating voltage signal according to a voltage of a first voltage terminal and a signal of a second clock signal terminal in response to a signal of a first clock signal terminal, to rectify the alternating voltage signal and then to output a signal to a first denoising control node, so that the voltage of the first denoting control node is maintained to be a voltage that enables the denoising sub-circuit to be turned on. The denoting sub-circuit is configured to denoise a scan signal output terminal in response to a voltage of the first denoising control node being the voltage that enables the denoising sub-circuit to be turned on.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: June 4, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guangliang Shang, Jiangnan Lu, Jie Zhang, Libin Liu, Shiming Shi, Dawei Wang
  • Publication number: 20240177662
    Abstract: An array substrate and a display device are provided. The array substrate includes a plurality of pixel driving circuits, each of which includes a driving transistor, a first light emitting control transistor, a compensation transistor, a first initialization transistor and a second initialization transistor; a first electrode of the first initialization transistor and a first electrode of the first light emitting control transistor are connected to a first node; a first electrode of the second initialization transistor and a first electrode of the compensation transistor are connected to a second node, a second electrode of the first initialization transistor is configured to receive the first initialization signal, and a cathode of the light emitting element is configured to receive a first driving signal, and a difference between a potential of the first initialization signal and a potential of the first driving signal is less than 1.5V.
    Type: Application
    Filed: June 29, 2021
    Publication date: May 30, 2024
    Inventors: Libin LIU, Jiangnan LU, Shimming SHI, Li WANG
  • Publication number: 20240174674
    Abstract: A nitrogen-containing polycyclic fused ring compound represented by formula I, a pharmaceutical composition thereof, a preparation method therefor, and a use thereof are provided. The compound has an inhibitory effect on RET gatekeeper residue mutant RET V804M mutation, RET solvent front residue mutant G810R, and other clinically relevant RET mutants and RET-wt. The compound can also significantly inhibit the growth of a TT cell line derived from thyroid cancer and Ba/F3 cells transformed by various RET mutants, and has a stronger inhibition effect than selective RET inhibitor LOXO-292. In addition, the compound can block cellular RET autophosphorylation and downstream pathways, and can significantly induce TT cell death.
    Type: Application
    Filed: January 24, 2022
    Publication date: May 30, 2024
    Inventors: Jun ZHONG, Yongkuan ZHU, Yongbo LIU, Xiaohu CHEN, Libin LIU, Minchun CHEN, Hao WANG, Qin GAO