Patents by Inventor Fangzhen Zhang

Fangzhen Zhang 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: 20240339462
    Abstract: An array substrate includes: a substrate, a trace layer, a plurality of second electrodes and one or more protective layers. The trace layer is provided on the substrate. The plurality of second electrodes are provided on a side of the substrate away from the trace layer, and the trace layer is electrically connected to the plurality of second electrodes. A protective layer is provided between the substrate and the trace layer, and/or another protective layer is provided between the substrate and the plurality of second electrodes.
    Type: Application
    Filed: July 29, 2022
    Publication date: October 10, 2024
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shuang SUN, Fangzhen ZHANG, Xinxing WANG
  • Publication number: 20240297203
    Abstract: The present application provides a light emitting chip, a manufacturing method for the same, and a light emitting device, relating to the field of display technology. The light emitting chip includes a substrate and a plurality of light emitting units arranged in an array on the substrate. The light emitting unit includes at least one first electrode disposed on the substrate and a plurality of epitaxial wafers arranged in an array, at least two of the epitaxial wafers have different colors. Several epitaxial wafers in the epitaxial wafers share one of the first electrodes.
    Type: Application
    Filed: May 30, 2022
    Publication date: September 5, 2024
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Shuang Sun, Fangzhen Zhang, Xinxing Wang, Jing Niu, Tingting Zhou, Wei Wang, Yanan Niu
  • Publication number: 20240282263
    Abstract: A pixel driving circuit includes a data writing circuit, a light-emitting control circuit, a switching circuit and a light-emitting diode chip. The data writing circuit is electrically connected to a first scanning signal terminal, a data signal terminal and a first node. The light-emitting control circuit is configured to transmit a first voltage signal received at the first voltage signal terminal to a second node. The switching circuit includes switching transistors. The light-emitting diode chip is electrically connected to the second node. The light-emitting diode chip includes light-emitting portions. The light-emitting diode chip is configured to drive the light-emitting portions to emit light in different periods of time respectively or drive at least two light-emitting portions to emit light in a same period of time. At least part of the light-emitting portions are sequentially connected in series through at least one switching transistor.
    Type: Application
    Filed: April 30, 2024
    Publication date: August 22, 2024
    Inventors: Weixing LIU, Kuanjun PENG, Bin QIN, Xue DONG, Fangzhen ZHANG, Wanpeng TENG, Tieshi WANG, Wanzhi CHEN, Kai GUO, Chunfang ZHANG
  • Publication number: 20240274768
    Abstract: A display substrate includes: a base substrate, a display functional layer located on a first side surface of the base substrate, where the display functional layer includes an encapsulation layer, and a plurality of metal lines located on a second side surface of the base substrate, a first gap being provided between adjacent metal lines. A first orthographic projection of the encapsulation layer onto the base substrate at least partially does not overlap a second orthographic projection of the first gap onto the base substrate, and/or, a light-shielding layer is arranged at a side of the encapsulation layer facing the metal lines, the light-shielding layer is located on the first side surface of the base substrate, and a third orthographic projection of the light-shielding layer onto the base substrate at least partially overlaps the second orthographic projection.
    Type: Application
    Filed: May 24, 2022
    Publication date: August 15, 2024
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shuang Sun, Fangzhen Zhang, Jing Niu
  • Publication number: 20240249660
    Abstract: The present disclosure provides a shift register unit, a gate driver circuit, and a display device, belonging to the field of display technology, which can solve the problem of unstable threshold voltage and current leakage of thin film transistors in existing shift register units. The shift register unit in the present disclosure includes: an input subcircuit, an output subcircuit, a pull-down control subcircuit, a pull-down subcircuit, a first noise reduction subcircuit, a first auxiliary control subcircuit, and a second auxiliary control subcircuit. The first auxiliary control subcircuit is configured to write the third reference level signal to the pull-down control node when the pull-down node is the first reference level signal, and control the pull-down subcircuit to be closed to control the first noise reduction subcircuit to be open.
    Type: Application
    Filed: November 22, 2021
    Publication date: July 25, 2024
    Inventors: Jinyu REN, Haisheng LIU, Kuanjun PENG, Fangzhen ZHANG, Jinqian WANG, Guojing MA, Dan WANG, Wei WANG, Sha FENG
  • Patent number: 12008960
    Abstract: A pixel driving circuit includes a data writing circuit, a light-emitting control circuit and a light-emitting diode chip. The data writing circuit is electrically connected to a first scanning signal terminal, a data signal terminal and a first node. The light-emitting control circuit is electrically connected to the first node, an enable signal terminal, a first voltage signal terminal and a second node, and is configured to transmit a first voltage signal received at the first voltage signal terminal to the second node. The light-emitting diode chip is electrically connected to the second node and a second voltage signal terminal. The light-emitting diode chip includes a plurality of light-emitting portions. The light-emitting diode chip is configured to drive the plurality of light-emitting portions to emit light in different periods of time respectively or drive at least two light-emitting portions to emit light in a same period of time.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: June 11, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Weixing Liu, Kuanjun Peng, Bin Qin, Xue Dong, Fangzhen Zhang, Wanpeng Teng, Tieshi Wang, Wanzhi Chen, Kai Guo, Chunfang Zhang
  • Publication number: 20240186454
    Abstract: A light-emitting device includes a first semiconductor layer, a light-emitting functional layer and a second semiconductor layer that are stacked. The first semiconductor layer includes a first semiconductor pattern and a second semiconductor pattern. The light-emitting functional layer includes a first light-emitting pattern and a second light-emitting pattern spaced apart. The second semiconductor layer includes a third semiconductor pattern and a fourth semiconductor pattern spaced apart. Orthographic projections of the first semiconductor pattern, the first light-emitting pattern and the third semiconductor pattern on a reference plane at least partially overlap to form a first light-emitting portion. Orthographic projections of the second semiconductor pattern, the second light-emitting pattern and the fourth semiconductor pattern on the reference plane at least partially overlap to form a second light-emitting portion.
    Type: Application
    Filed: May 31, 2021
    Publication date: June 6, 2024
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Weixing LIU, Kuanjun PENG, Xiaolong LI, Wanpeng TENG, Bin QIN, Wanzhi CHEN, Fangzhen ZHANG, Chunfang ZHANG, Zhiqiang XU
  • Patent number: 11973166
    Abstract: A displaying base plate and a fabricating method thereof. The displaying base plate includes a substrate, and a first flat layer on one side of the substrate; a first metal layer on one side of the first flat layer that is further away from the substrate; a second flat layer on sides of the first metal layer and the first flat layer that are further away from the substrate; and a second metal layer on one side of the second flat layer that is further away from the substrate; wherein the first metal layer includes a first metal trace, an orthographic projection of the second metal layer on the substrate and an orthographic projection of the first metal trace on the substrate have an overlapping part, and an orthographic projection of the second flat layer on the substrate covers the orthographic projection of the first metal trace on the substrate.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: April 30, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Lubin Shi, Bin Qin, Liang Chen, Dongni Liu, Fangzhen Zhang, Ke Wang
  • Publication number: 20240088328
    Abstract: A light-emitting device, a light-emitting substrate, and a method for manufacturing the light-emitting device. The light-emitting device includes at least one light-emitting structure. The light-emitting structure includes: a first semiconductor layer; a light-emitting layer; a second semiconductor layer, doping ions of the second semiconductor layer and a first semiconductor layer being oppositely charged; a barrier structure provided with an opening for exposing the second semiconductor layer, the orthographic projection of the opening on the base substrate being located in the orthographic projection of the light-emitting layer on the base substrate, and the area of the opening being smaller than that of the light-emitting layer; and a landing electrode located on the side of the barrier structure facing away from the second semiconductor layer, the landing electrode being in contact with the second semiconductor layer by means of the opening.
    Type: Application
    Filed: October 22, 2021
    Publication date: March 14, 2024
    Inventors: Bin QIN, Kuanjun PENG, Weixing LIU, Fangzhen ZHANG, Xue DONG, Jintao PENG, Wanpeng TENG, Xiaolong LI, Shuang SUN, Wanzhi CHEN, Guangcai YUAN, Qian JIA
  • Patent number: 11887400
    Abstract: A display substrate includes a base substrate, and a plurality of light emitters and a plurality of light sensors over the base substrate. The light emitters and light sensors are configured to respectively emit lights towards, and sense lights reflected by, a pattern to be detected, such as a fingerprint. At least one light emitter includes a first electrode, a light-emitting layer, and a second electrode, sequentially over the base substrate. At least one light sensor includes a third electrode, a photosensitive layer, and a fourth electrode, sequentially over the base substrate. The first electrode and the third electrode are integral or the second electrode and the fourth electrode are integral. A method of using the display substrate to identify a pattern such as a fingerprint can be employed by a display panel containing the display substrate.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: January 30, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jing Niu, Chengchung Yang, Fangzhen Zhang
  • Publication number: 20230402001
    Abstract: A pixel circuit includes a plurality of driving transistors and a plurality of gating sub-circuits. The plurality of driving transistors are configured to output different driving currents under control of a received control signal. Each gating sub-circuit is electrically connected to a respective selection signal terminal, a scanning signal terminal, a respective driving transistor and a light-emitting device, and is configured to be turned on under control of a scanning signal from the scanning signal terminal and a selection signal from the selection signal terminal to transmit a driving current from the connected driving transistor to the light-emitting device. Within a frame period, one of a plurality of selection signal terminals respectively electrically connected to the plurality of gating sub-circuits outputs a selection signal.
    Type: Application
    Filed: July 25, 2023
    Publication date: December 14, 2023
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Fangzhen ZHANG, Jing NIU, Shuang SUN, Zhenyu ZHANG
  • Publication number: 20230274696
    Abstract: A pixel driving circuit includes a data writing circuit, a light-emitting control circuit and a light-emitting diode chip. The data writing circuit is electrically connected to a first scanning signal terminal, a data signal terminal and a first node. The light-emitting control circuit is electrically connected to the first node, an enable signal terminal, a first voltage signal terminal and a second node, and is configured to transmit a first voltage signal received at the first voltage signal terminal to the second node. The light-emitting diode chip is electrically connected to the second node and a second voltage signal terminal. The light-emitting diode chip includes a plurality of light-emitting portions. The light-emitting diode chip is configured to drive the plurality of light-emitting portions to emit light in different periods of time respectively or drive at least two light-emitting portions to emit light in a same period of time.
    Type: Application
    Filed: November 22, 2021
    Publication date: August 31, 2023
    Inventors: Weixing LIU, Kuanjun PENG, Bin QIN, Xue DONG, Fangzhen ZHANG, Wanpeng TENG, Tieshi WANG, Wanzhi CHEN, Kai GUO, Chunfang ZHANG
  • Patent number: 11728352
    Abstract: The present disclosure provides a driving substrate including: a flexible substrate base, a plurality of thin film transistors on the flexible substrate base and a first conductive pattern layer on a side of the thin film transistors distal to the flexible substrate base. The first conductive pattern layer includes: a plurality of first connection terminals in the display region and a plurality of signal supply lines in the bendable region. A first number of first connection terminals are electrically coupled to first electrodes of the plurality of thin film transistors. The plurality of signal supply lines are coupled to a second number of first connection terminals other than the first number of first connection terminals. At least one inorganic insulating layer including a hollowed-out pattern in the bendable region is between the first conductive pattern layer and the flexible substrate base.
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: August 15, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xinhong Lu, Fangzhen Zhang, Guangcai Yuan, Zhanfeng Cao, Jiushi Wang, Ke Wang, Xiaoyan Zhu, Qi Qi, Jingshang Zhou, Zhaohui Qiang, Zhiwei Liang
  • Publication number: 20230111185
    Abstract: The present disclosure provides a display substrate and a display device. The display substrate includes a pixel circuit, and the pixel circuit includes a light-emitting element, a driving circuit and a capacitor circuit. The driving circuit is configured to drive the light-emitting element to emit light; a first terminal of the capacitor circuit is electrically connected to a control terminal of the driving circuit, and a second terminal of the capacitor circuit is electrically connected to a data writing-in node; the capacitor circuit includes at least two capacitors connected in parallel with each other.
    Type: Application
    Filed: May 21, 2021
    Publication date: April 13, 2023
    Inventors: Shuang SUN, Fangzhen ZHANG, Jing NIU, Yanan NIU, Jintao PENG, Lubin SHI
  • Patent number: 11563197
    Abstract: The present application describes a display panel having a plurality of subpixels. Each of the plurality of subpixels has a light blocking region and a light transmissive region surrounding the light blocking region. Each of the plurality of subpixels in the light blocking region includes a first base substrate and a second base substrate facing each other; a first light emitting element and a first reflective block on a side of the first base substrate proximal to the second base substrate; and a second reflective block on a side of the second base substrate proximal to the first base substrate. The first reflective block and the second reflective block are configured to reflect light emitted from the first light emitting element to the light transmissive region thereby displaying an image.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: January 24, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Xiaolong Li, Fangzhen Zhang, Wei Qin, Kuanjun Peng
  • Publication number: 20230013848
    Abstract: A display panel has a display region and a fan-out lead region, the fan-out lead region is located within the display region. The display panel comprises a base, a pixel circuit layer, a plurality of fan-out leads disposed between the base and the pixel circuit layer and located in the fan-out lead region, and an electrical field shielding pattern disposed between the pixel circuit layer and a film layer in which the plurality of fan-out leads are located. The pixel circuit layer includes a plurality of pixel circuits, at least one pixel circuit is located in the fan-out lead region. At least one fan-out lead is electrically connected to the pixel circuits. Orthographic projection of active layer patterns of transistors of the pixel circuit located in the fan-out lead region on the base are located within an orthographic projection of the electric field shielding pattern on the base.
    Type: Application
    Filed: May 20, 2021
    Publication date: January 19, 2023
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lubin SHI, Wanpeng TENG, Liang CHEN, Bin QIN, Ke WANG, Jintao PENG, Fangzhen ZHANG, Kuanjun PENG
  • Publication number: 20220364885
    Abstract: A piezoelectric sensor and a manufacturing method therefor, and a detection apparatus, which relate to the technical field of sensing. The piezoelectric sensor includes: an array substrate: a first capping layer located on the array substrate and including a first portion and a second portion, wherein the first portion covers the array substrate, a cavity is provided between the second portion and the array substrate, and the second portion is provided with a first opening: a first electrode located above the first capping layer and above the cavity, a piezoelectric thin film located on the first electrode, and a second electrode located on the piezoelectric thin film.
    Type: Application
    Filed: May 12, 2021
    Publication date: November 17, 2022
    Inventors: Jing Niu, Tingting Zhou, Fangzhen Zhang, Jintao Peng
  • Publication number: 20220354461
    Abstract: Embodiments of the present disclosure provide a flexible sensor, including a flexible substrate; a plurality of ultrasonic detectors, on the flexible substrate; and a plurality of detection circuits, respectively corresponding to the ultrasonic detectors; wherein each of the detection circuits is between the flexible substrate and the corresponding ultrasonic detector, and configured to drive the ultrasonic detector to emit an ultrasonic wave, and detect a detection signal output by the ultrasonic detector after receiving the ultrasonic wave; each of the ultrasonic detectors includes: a first electrode coupled to the corresponding detection circuit, a second electrode on a side of the first electrode away from the flexible substrate, and a piezoelectric induction layer between the first electrode and the second electrode; a plurality of holes are provided in a region other than a region where the detection circuits are located.
    Type: Application
    Filed: September 28, 2020
    Publication date: November 10, 2022
    Inventors: Tingting ZHOU, Kuanjun PENG, Fangzhen ZHANG, Yanan NIU, Jintao PENG, Jing NIU, Shuang SUN, Lubin SHI, Jinyu REN
  • Patent number: 11474633
    Abstract: The embodiments of the present application disclose a touch control display panel and a manufacturing method thereof, a touch control display screen and a spliced screen. The touch control display panel comprises: A substrate; A driving circuit layer, wherein the driving circuit layer comprises a driving line and a data line, a touch control row electrode and a touch control column electrode, the touch control row electrode is connected to at least one row auxiliary electrode via at least one first via hole, and each row of touch control row electrodes are connected to each other in series via the row auxiliary electrode; the touch control column electrode is connected to at least one column auxiliary electrode through at least one second via, and each column touch control column electrode is connected to each other in series through the column auxiliary electrode.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: October 18, 2022
    Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Lubin Shi, Fuqiang Li, Fangzhen Zhang, Wei Qin
  • Publication number: 20220244805
    Abstract: The embodiments of the present application disclose a touch control display panel and a manufacturing method thereof, a touch control display screen and a spliced screen. The touch control display panel comprises: A substrate; A driving circuit layer, wherein the driving circuit layer comprises a driving line and a data line, a touch control row electrode and a touch control column electrode, the touch control row electrode is connected to at least one row auxiliary electrode via at least one first via hole, and each row of touch control row electrodes are connected to each other in series via the row auxiliary electrode; the touch control column electrode is connected to at least one column auxiliary electrode through at least one second via, and each column touch control column electrode is connected to each other in series through the column auxiliary electrode.
    Type: Application
    Filed: September 30, 2021
    Publication date: August 4, 2022
    Inventors: Lubin SHI, Fuqiang LI, Fangzhen ZHANG, Wei QIN