Patents by Inventor Dongfang Wang

Dongfang Wang 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: 11723261
    Abstract: A method for manufacturing a light-emitting component, including forming an auxiliary electrode and a first electrode arranged at an interval on a base substrate; depositing, by means of a mask with a hollow area, a light-emitting layer on the base substrate on which the auxiliary electrode and the first electrode are formed; and forming a second electrode on the base substrate on which the light-emitting layer is formed. The light-emitting layer covers at least part of the first electrode, and at least a partial area of the auxiliary electrode is exposed outside the light-emitting layer. The second electrode covers at least part of the light-emitting layer and the at least partial area of the auxiliary electrode, and the second electrode is connected to the at least partial area of the auxiliary electrode.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: August 8, 2023
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD, BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tongshang Su, Dongfang Wang, Jun Liu, Yingbin Hu, Qinghe Wang, Shengping Du, Liangchen Yan
  • Publication number: 20230204908
    Abstract: An optical lens assembly and an electronic device comprising same. The optical lens assembly sequentially comprises, from an object side to an image side along an optical axis, a first lens (L1) having a negative refractive power, an object-side surface (S1) of the first lens being a convex surface, and an image-side surface (S2) of the first lens being a concave surface; a second lens (L2) having a positive refractive power, an object-side surface (S3) of the second lens being a convex surface, and an image-side surface (S4) of the second lens being a convex surface; a third lens (L3) having a refractive power; a fourth lens (L4) having a refractive power; and a fifth lens (L5) having a refractive power.
    Type: Application
    Filed: March 2, 2023
    Publication date: June 29, 2023
    Inventors: Yifeng Wang, Dongfang Wang, Bo Yao
  • Publication number: 20230185061
    Abstract: Disclosed are an optical lens assembly and an electronic device. The optical lens assembly sequentially comprises, from an object side to an image side along an optical axis, a first lens having a negative refractive power, with an object-side surface thereof being a convex surface, and an image-side surface thereof being a concave surface; a second lens having a negative refractive power, with an object-side surface thereof being a concave surface, and an image side surface thereof being a convex surface; a third lens having a positive refractive power, with an object-side surface thereof being a convex surface; a fourth lens having a positive refractive power, with an object-side surface thereof being a convex surface, and an image-side surface thereof being a convex surface; a fifth lens having a refractive power; a sixth lens having a focal power; and a seventh lens having a refractive power.
    Type: Application
    Filed: February 6, 2023
    Publication date: June 15, 2023
    Inventors: Dongfang Wang, Aolin Ma, Bo Yao
  • Patent number: 11672149
    Abstract: The present disclosure provides an OLED display panel and a method for detecting the OLED display panel, and a display device. The OLED display panel includes a base substrate including a display area and a non-display area surrounding the display area and having a first region adjacent to the display area. The display area includes a drive signal line and a power supply voltage signal line both extending from the display area to the first region. The drive signal line includes, in the first region, a first section of wiring at an anode layer, the power supply voltage signal line includes, in the first region, a second section of wiring at a gate metal layer, and parts of the drive signal line and the power supply voltage signal line in the display area are located at a source-drain metal layer.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: June 6, 2023
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Guangyao Li, Dongfang Wang, Jun Wang, Haitao Wang, Qinghe Wang, Ning Liu, Wei Li, Yingbin Hu, Yang Zhang
  • Patent number: 11631619
    Abstract: Embodiments of the present disclosure provide an array substrate comprising a base substrate, a buffer layer disposed on the base substrate, an interlayer dielectric layer disposed on the buffer layer, and a protection layer disposed on the interlayer dielectric layer, where the array substrate further comprises a plurality of first test units and a plurality of test leads. The plurality of test leads are connected to the plurality of first test units in a one-to-one correspondence, and the plurality of test leads are disposed in at least two different layers. A method for manufacturing an array substrate, a display panel, and a display device are further provided.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: April 18, 2023
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Haitao Wang, Guangyao Li, Jun Wang, Qinghe Wang, Dongfang Wang
  • Patent number: 11622490
    Abstract: The present disclosure relates to the display technology, and provides an OLED display substrate, a method for manufacturing the OLED display substrate and a display device. The method includes: forming pixel definition layer transition patterns with metal; and oxidizing the pixel definition layer transition patterns to form an insulative pixel definition layer.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: April 4, 2023
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wei Song, Liangchen Yan, Ce Zhao, Dongfang Wang, Bin Zhou, Yuankui Ding, Jun Liu, Yingbin Hu, Wei Li
  • Patent number: 11592742
    Abstract: A photoresist composition and manufacturing method thereof, a manufacturing method of a metal pattern, and a manufacturing method of an array substrate are provided. The photoresist composition includes a base material and an ion adsorbent, and the ion adsorbent is chelating resin.
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: February 28, 2023
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Wei Li, Guangcai Yuan, Bin Zhou, Dongfang Wang, Jun Cheng, Yingbin Hu, Jingjing Xia, Tongshang Su
  • Patent number: 11594162
    Abstract: The present disclosure provides a method for detecting a display substrate and a device for detecting a display substrate. The method includes: exciting a threshold voltage of a driving transistor in each pixel driving circuit in the display substrate, so that the threshold voltage of the driving transistor with a shifted threshold voltage is further shifted; inputting a detection signal to each pixel driving circuit in the display substrate, where the detection signal is a signal enabling the pixel driving circuit to operate normally; and judging whether the display substrate is normal or not according to the voltage output by each pixel driving circuit.
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: February 28, 2023
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guangyao Li, Yuankui Ding, Liusong Ni, Jun Wang, Haitao Wang, Dongfang Wang
  • Patent number: 11559592
    Abstract: A sterilization structure, a sterilization board, and a display device are disclosed. The sterilization structure includes an active layer, wherein, one surface of the active layer has an exposed region, and a material of the active layer includes a laser-induced graphene material.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: January 24, 2023
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Guangyao Li, Luke Ding, Leilei Cheng, Yingbin Hu, Jingang Fang, Ning Liu, Qinghe Wang, Dongfang Wang, Liangchen Yan
  • Publication number: 20230005430
    Abstract: Provided are a display substrate and a detection method therefor, and a display apparatus. Compensation sub-circuits that are in one-to-one correspondence with each stage of a shift register are arranged in a gate driving circuit, and a first capacitor in each compensation sub-circuit is thus charged under the control of a detection input circuit when each stage of the shift register outputs a signal stage by stage; and an output control circuit is used to disconnect the compensation sub-circuit from a pull-up node of the corresponding stage of the shift register. The triggering of each stage of the shift register is stopped after each stage of the shift register (CR(n)) completes outputting, and the output control circuit provides a signal of a first power voltage end to the pull-up node of the corresponding stage of the shift register under the control of a second control end and the first capacitor.
    Type: Application
    Filed: January 15, 2021
    Publication date: January 5, 2023
    Inventors: Guangyao LI, Zheng LIU, Haitao WANG, Jun WANG, Dongfang WANG
  • Patent number: 11527599
    Abstract: Disclosed are an array substrate, a method for fabricating the same, a display panel, and a display device, and the array substrate includes: an underlying substrate, and gate lines and data lines located on the underlying substrate, and intersecting with each other, a layer where the gate lines are located is between a layer where the data lines are located, and the underlying substrate; and the array substrate further includes a buffer layer located between the underlying substrate and the layer where the gate lines are located; and the buffer layer includes a plurality of through-holes, where orthographical projections of the through-holes onto the underlying substrate cover orthographical projections of the areas where the gate lines intersect with the data lines, onto the underlying substrate.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: December 13, 2022
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.
    Inventors: Haitao Wang, Qinghe Wang, Jun Wang, Guangyao Li, Yang Zhang, Jun Liu, Dongfang Wang
  • Publication number: 20220352258
    Abstract: An OLED display substrate, a manufacturing method and a display device are provided. The OLED display substrate includes a base substrate and a plurality of pixel units arranged on the base substrate, each pixel unit includes a plurality of subpixel units, and each subpixel unit includes a switching TFT and a bottom-emission OLED, the OLED display substrate further includes a light-shielding layer arranged between the OLED and the switching TFT, and an orthogonal projection of the light-shielding layer onto the base substrate completely covers an orthogonal projection of a semiconductor region of the switching TFT onto the base substrate.
    Type: Application
    Filed: July 14, 2022
    Publication date: November 3, 2022
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dongfang WANG, Tongshang SU, Ming WANG, Ce ZHAO, Bin ZHOU
  • Patent number: 11488989
    Abstract: A capacitor, an array substrate and a method for manufacturing the same, and a display panel are provided. The capacitor includes a main body including a first pole plate and a second pole plate disposed opposite to each other, and the capacitor further includes at least one auxiliary body. Any one of the at least one auxiliary body includes a third pole plate and a fourth pole plate disposed opposite to each other, and neither the third pole plate nor the fourth pole plate extends in a plane where the first pole plate is located or a plane where the second pole plate is located. The main body is connected in parallel with the at least one auxiliary body. The array substrate includes a transistor and the capacitor provided by the present disclosure, and the transistor is electrically connected to the capacitor.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: November 1, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Tongshang Su, Dongfang Wang, Qinghe Wang
  • Patent number: 11462602
    Abstract: An array substrate, a manufacturing method thereof, and a display device are provided. The array substrate includes: a base substrate; a first signal line on the base substrate; a first buffer layer provided on the base substrate and covering the first signal line; a second signal line on a side of the first buffer layer facing away from the base substrate; a first insulating layer provided on the base substrate and covering the second signal line; and a thin film transistor on a side of the first insulating layer facing away from the base substrate, the thin film transistor including a gate electrode, a source electrode and a drain electrode. A thickness of the first signal line is greater than that of the gate electrode, and a thickness of the second signal line is greater than that of the source electrode or the drain electrode.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: October 4, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Yongchao Huang, Jun Cheng, Dongfang Wang, Jun Liu, Leilei Cheng, Liangchen Yan
  • Patent number: 11450721
    Abstract: The present disclosure provides a pixel unit, a method of manufacturing the same, and an array substrate. The pixel unit includes: a driving transistor, a switching transistor, and a light emitting element on a substrate; wherein the driving transistor has an input electrode electrically connected to a first power supply terminal and an output electrode electrically connected to a first terminal of the light emitting element; the switching transistor has an input electrode electrically connected to a data line, a control electrode electrically connected to a scan line, and an output electrode electrically connected to a gate electrode of the driving transistor; wherein the switching transistor and the driving transistor have different threshold voltages.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: September 20, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dongfang Wang, Bin Zhou, Ce Zhao, Tongshang Su, Yuankui Ding, Ming Wang
  • Patent number: 11444128
    Abstract: An OLED display substrate, a manufacturing method and a display device are provided. The OLED display substrate includes a base substrate and a plurality of pixel units arranged on the base substrate, each pixel unit includes a plurality of subpixel units, and each subpixel unit includes a switching TFT and a bottom-emission OLED, the OLED display substrate further includes a light-shielding layer arranged between the OLED and the switching TFT, and an orthogonal projection of the light-shielding layer onto the base substrate completely covers an orthogonal projection of a semiconductor region of the switching TFT onto the base substrate.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: September 13, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dongfang Wang, Tongshang Su, Ming Wang, Ce Zhao, Bin Zhou
  • Patent number: 11386820
    Abstract: A method of detecting threshold voltage shift and a threshold voltage shift detection device are provided. The method is applied to a pixel driving circuit which I is electrically coupled to a control line, a voltage line and a detection node, respectively. The method includes: in a detection cycle including a setting phase and a detection phase, in the setting phase, controlling a transistor included in the pixel driving circuit to be in a biased state; in the detection phase, providing a preset control voltage signal to the control line, providing a preset voltage signal to the voltage line, and determining a threshold voltage shift state of the transistor according to an electric potential of the detection node.
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: July 12, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guangyao Li, Dongfang Wang, Jun Wang, Haitao Wang, Chaowei Hao, Bo Feng, Rong Liu, Wei Cai, Biao Luo, Xuechao Sun, Xuehai Gui, Qibin Liang, Yanfei Wan, Jin Su
  • Patent number: 11380796
    Abstract: The disclosure relates to a thin film transistor. The thin film transistor may include a substrate, an active layer on the substrate, a gate on the active layer, and a source and a drain. The active layer may include a first conducting region, a second conducting region, and a channel region between the first conducting region and the second conducting region. An orthographic projection of the source and an orthographic projection of the drain on the substrate may cover at least an orthographic projection of a first conducting region and an orthographic projection of a second conducting region on the substrate.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: July 5, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tongshang Su, Dongfang Wang, Jun Liu, Guangyao Li, Wei Li, Qinghe Wang, Chao Wang, Tao Sun
  • Patent number: 11355647
    Abstract: A thin film transistor includes an active layer, a source electrode and a drain electrode. The active layer includes a conductive region and the conductive region is between the source electrode and the drain electrode and is spaced apart from at least one of the source electrode and the drain electrode.
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: June 7, 2022
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yingbin Hu, Ce Zhao, Dongfang Wang, Bin Zhou, Jun Liu, Yuankui Ding, Wei Li
  • Publication number: 20220173192
    Abstract: A display panel having a pixel region includes a base substrate, a plurality of pixel circuits located in the pixel region, and a plurality of light-emitting structures located in the pixel region. Each pixel circuit includes a storage capacitor and a plurality of transistors. The light-emitting structures are configured to emit light of at least three primary colors. Each light-emitting structure includes a light-emitting device. Each pixel circuit is coupled to the light-emitting device in a corresponding light-emitting structure, and a surface of the light-emitting device proximate to the base substrate is a light exit surface. Among the light-emitting structures, an orthogonal projection of an effective light-emitting region, on the base substrate, of the light-emitting device in a first light-emitting structure with a shortest light-emitting wavelength, is spaced apart from orthogonal projections of all storage capacitors of the plurality of pixel circuits on the base substrate.
    Type: Application
    Filed: November 20, 2020
    Publication date: June 2, 2022
    Inventors: Dongfang WANG, Qinghe WANG