Patents by Inventor Chao Kong

Chao Kong 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: 20220271105
    Abstract: A display substrate, a method of forming a display substrate and a display device are provided. The display substrate includes: a plurality of pixel units arranged in an array, a substrate, a light-emitting device layer and an electrochromic functional layer, where the light-emitting device layer and the electrochromic functional layer are stacked on the substrate; the light-emitting device layer includes a plurality of light-emitting devices, an orthographic projection of the electrochromic functional device on the substrate is at least partially overlapped with an orthographic projection of the corresponding effective light-emitting area on the substrate.
    Type: Application
    Filed: December 15, 2021
    Publication date: August 25, 2022
    Inventors: Xing FAN, Chao KONG
  • Publication number: 20220255043
    Abstract: The present disclosure provides an organic electroluminescent device and a display panel. The organic electroluminescent device includes a first electrode, a second electrode and a light-emitting layer disposed between the first electrode and the second electrode; a functional electrode is disposed on a side of at least one of the first electrode and the second electrode away from the light-emitting layer; the functional electrode includes a first layer-stacked structure including a plurality of first light-transmitting layers and at least one second light-transmitting layer; the first and second light-transmitting layers are stacked alternately; in the first layer-stacked structure, both the layer closest to the light-emitting layer and the layer farthest from the light-emitting layer are the first light-transmitting layers; a refractive index of the first light-transmitting layer is greater than a refractive index of the second light-transmitting layer.
    Type: Application
    Filed: September 27, 2021
    Publication date: August 11, 2022
    Inventors: Xing FAN, Lingjun DAI, Chao KONG
  • Patent number: 11380735
    Abstract: The present disclosure relates to a display panel and a display device. The display panel comprises a substrate and pixel units arranged thereon. The substrate comprises a display area comprising a plane display area and a bending display area. The bending display area comprises first pixel areas arranged in an array, and the pixel units comprise first pixel units respectively positioned in the first pixel areas. The first pixel regions includes first pixel sub-regions including first display sub-pixels and at least one color difference adjusting sub-pixel for adjusting a color difference of the first pixel unit, and at least one second pixel sub-region. Each of the first pixel sub-regions is provided with the first display sub-pixels, each of the second pixel sub-regions is provided with the color difference adjusting sub-pixel, and the second pixel sub-region is disposed adjacent to the first pixel sub-regions.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: July 5, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chao Kong, Long Chen
  • Publication number: 20220157892
    Abstract: A display panel and a fabricating method thereof, and a displaying device. The display panel includes: a driving backplane, a light-emitting-device layer provided on the driving backplane, and a packaging layer, a color-film layer and a light absorbing layer provided on one side of the light-emitting-device layer that is further away from the driving backplane; wherein the light absorbing layer is configured for absorbing light rays of a specific wavelength in external-environment light and in light rays emitted by the light-emitting-device layer; and the specific wavelength includes at least one of a wavelength between a red-light wave band and a green-light wave band, a wavelength between a green-light wave band and a blue-light wave band, a wavelength shorter than a blue-light wave band and a wavelength longer than a red-light wave band.
    Type: Application
    Filed: June 16, 2021
    Publication date: May 19, 2022
    Inventors: Jibum YANG, Myoungsoo LEE, Euiku LEE, Meishan XU, Chao KONG, Na LI, Haijun QIU, Fei CHEN
  • Publication number: 20220158136
    Abstract: Disclosed are a display panel, a manufacturing method thereof and a displaying device. The display panel comprises a driving backplane, a light-emitting device layer disposed on the driving backplane, and an encapsulation layer, a color film layer and a color separation suppression layer which are disposed on the side, away from the driving backplane, of the light-emitting device layer, wherein the color separation suppression layer is configured to interfere with and cancel out external ambient light, so as to reduce the external ambient light incident on the light-emitting device layer and the driving backplane and block the external ambient light reflected by the light-emitting device layer and the driving backplane from exiting from a light-exiting surface of the display panel.
    Type: Application
    Filed: June 23, 2021
    Publication date: May 19, 2022
    Inventors: Jibum YANG, Euiku LEE, Myoungsoo LEE, Chao KONG, Lin GUO, Na LI, Haijun QIU
  • Patent number: 11329111
    Abstract: The present disclosure provides a flexible substrate, its manufacturing method and a display panel. The flexible substrate includes a base substrate, and an organic thin film, an inorganic thin film and a function layer laminated on the base substrate. A first water-and-oxygen absorption adhesive layer is arranged between the organic thin film and the inorganic thin film and adhered to the organic thin film and the inorganic thin film respectively.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: May 10, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhaowei Yu, Chao Kong
  • Publication number: 20220130927
    Abstract: Provided is a method for manufacturing a display panel. First, the method includes sequentially preparing an anode layer and a first pixel define layer on a side of a substrate layer, then coating an organic light-induced material on a first surface, distal from the anode layer, of the first pixel define layer, and forming a polymer film layer by reacting the first pixel define layer with the organic light-induced material under a predetermined condition, and then preparing an organic functional layer and a cathode layer on a surface, distal from the first pixel define layer, of the organic light-induced material. The organic light-induced material at least contains a hydroxyl group and an unsaturated carbon-carbon double bond.
    Type: Application
    Filed: October 22, 2021
    Publication date: April 28, 2022
    Inventors: Wanmei QING, De YUAN, Wenbiao DING, Chao KONG, Baiqiang WANG
  • Patent number: 11270649
    Abstract: The present disclosure discloses a shift register, a driving method thereof, a driving circuit, and a display device. The shift register includes an input circuit, a first control circuit, a second control circuit, and an output circuit. Signal shift output can be implemented through mutual cooperation between respective circuits. An output signal can be used as a light emitting control signal of a light emitting control transistor, or can be used as a gate scanning signal of a scanning control transistor.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: March 8, 2022
    Assignees: Hefei Boe Display Technology Co. Ltd., Boe Technology Group Co., Ltd.
    Inventors: Mo Chen, Fei Han, Chao Kong, Boxuan Xing, Siying Lu
  • Patent number: 11251407
    Abstract: A display panel and a manufacturing method thereof, an electroluminescent device, and a display device are disclosed. The display panel includes: a base substrate; a plurality of electroluminescent elements on the base substrate, each of the plurality of electroluminescent elements including a light emitting layer and a transparent electrode layer on a light exit side of the light emitting layer; and a first optical coupling layer on a side of the plurality of electroluminescent elements where the transparent electrode layer is located, and being coupled to at least a part of the transparent electrode layer. The first optical coupling layer is conductive.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: February 15, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chao Kong, Kening Zheng
  • Patent number: 11250772
    Abstract: A light-emitting assembly contains a light-emitting diode and a driving circuit configured to provide a driving current for driving the light-emitting diode to emit a light. The driving circuit comprises a thermistor, which is coupled to the light-emitting diode and configured to have an electrical resistance thereof altering with a change of a temperature of the light-emitting assembly to thereby adjust an intensity of the driving current. The thermistor can be a metal thermistor, a negative-temperature coefficient thermistor, a critical-temperature thermistor, or a positive-temperature coefficient thermistor. The light-emitting assembly can automatically adjust a brightness of the light emitted by the light-emitting diode to be within an expected range, causing an improved working life and reliability. The light-emitting assembly can be employed in a lighting device or a display panel.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: February 15, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chao Kong, Kening Zheng, Dong Chen, Mingyin Yu, Yinan Liang
  • Publication number: 20220029119
    Abstract: An organic-light-emitting-diode device and a fabricating method thereof, a displaying base plate and a displaying device, wherein the organic-light-emitting-diode device includes a substrate, and an anode layer, an organic functional layer and a cathode layer that are provided in stacking on one side of the substrate, wherein the organic functional layer includes a first functional layer, a second functional layer and a light emitting layer that are provided in stacking, and the first functional layer is provided closer to the anode layer; and a HOMO energy level of the second functional layer is deeper than both of a HOMO energy level of the first functional layer and a HOMO energy level of a host material of the light emitting layer.
    Type: Application
    Filed: May 26, 2021
    Publication date: January 27, 2022
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Wei Zhang, Chao Kong, Yifan Yang, Long Chen, Lingjun Dai, De Yuan
  • Publication number: 20210408426
    Abstract: An organic electroluminescence display panel, a manufacturing method, a color shift reducing method, and a display device are provided. The display panel includes a flat surface portion and a curved surface portion. The hole transport layer of the display panel includes a common hole transport layer and hole transport units. The common hole transport layer is distributed in the flat surface portion and the curved surface portion. The hole transport units are disposed on the common hole transport layer and are in one-to-one relationship with sub-pixels of the two portions; the hole transport layer of the sub-pixel of at least one color has different thickness in the two portions; and the thickness of the hole transport layer of the sub-pixel is the sum of the thickness of the common hole transport layer in sub-pixel and the thickness of the hole transport unit of the sub-pixel.
    Type: Application
    Filed: May 24, 2019
    Publication date: December 30, 2021
    Inventors: Jiangrong XIE, Chao KONG, Kening ZHENG, Yamin YANG
  • Patent number: 11210051
    Abstract: Disclosed are a display device and an operation method thereof. The display device includes a primary display screen, a secondary display and an optical function processor. The primary display screen has a display surface and includes a transparent region; the secondary display is located at a side of the primary display screen opposite to the display surface of the primary display screen, and is configured to project image light to the transparent region of the primary display screen for displaying in the transparent region; the optical function processor is located at the side of the primary display screen opposite to the display surface of the primary display screen, and is configured to perform the corresponding operation.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: December 28, 2021
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zengqiang Xia, Chao Kong
  • Patent number: 11171303
    Abstract: The disclosure relates to the field of display technologies, and discloses a display panel and a method for fabricating the same, and the display panel includes: a base substrate, a pixel definition layer and a cathode layer arranged on one side of the base substrate successively, and a transparent electrically-conductive film arranged on the side of the cathode layer away from the base substrate, wherein the transparent electrically-conductive film is electrically connected with the cathode layer so that the transparent electrically-conductive film is in parallel to the cathode layer.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: November 9, 2021
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zhiliang Jiang, Pan Zhao, Chao Kong
  • Publication number: 20210256927
    Abstract: Circuit and method for preventing screen flickering, a drive circuit for a display panel, and a display apparatus are provided, relating to the field of display technology. The circuit for preventing screen flickering includes a control sub-circuit configured to control a gate drive circuit of the display panel to output a gate cut-off level during a power-on period of the display panel. The gate drive circuit of the display panel is controlled to output the gate cut-off level during the power-on period, the gate cut-off level is provided to gate lines of the display panel such that TFTs connected to the gate lines are in cut-off state during the power-on period.
    Type: Application
    Filed: June 22, 2020
    Publication date: August 19, 2021
    Inventors: Xiuqin Yang, Rongcheng Liu, Peng Zhao, Huiming Wang, Jing Ma, Siying Lu, Chao Kong
  • Publication number: 20210226170
    Abstract: A display panel and a manufacturing method thereof, an electroluminescent device, and a display device are disclosed. The display panel includes: a base substrate; a plurality of electroluminescent elements on the base substrate, each of the plurality of electroluminescent elements including a light emitting layer and a transparent electrode layer on a light exit side of the light emitting layer; and a first optical coupling layer on a side of the plurality of electroluminescent elements where the transparent electrode layer is located, and being coupled to at least a part of the transparent electrode layer. The first optical coupling layer is conductive.
    Type: Application
    Filed: June 8, 2018
    Publication date: July 22, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chao KONG, Kening ZHENG
  • Publication number: 20210193748
    Abstract: The present disclosure relates to a display panel and a display device. The display panel comprises a substrate and pixel units arranged thereon. The substrate comprises a display area comprising a plane display area and a bending display area. The bending display area comprises first pixel areas arranged in an array, and the pixel units comprise first pixel units respectively positioned in the first pixel areas. The first pixel regions includes first pixel sub-regions including first display sub-pixels and at least one color difference adjusting sub-pixel for adjusting a color difference of the first pixel unit, and at least one second pixel sub-region. Each of the first pixel sub-regions is provided with the first display sub-pixels, each of the second pixel sub-regions is provided with the color difference adjusting sub-pixel, and the second pixel sub-region is disposed adjacent to the first pixel sub-regions.
    Type: Application
    Filed: June 18, 2020
    Publication date: June 24, 2021
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chao KONG, Long CHEN
  • Publication number: 20210183311
    Abstract: The present disclosure relates to a display substrate, a display device, and a control method thereof. The display substrate includes a plurality of pixels, each of which includes a first sub-pixel, a second sub-pixel, a third sub-pixel, and a fourth sub-pixel. The first sub-pixel, the second sub-pixel, and the third sub-pixel have different light emission colors. The fourth sub-pixel has the same light emission color as the first sub-pixel. The first sub-pixel, the second sub-pixel, the third sub-pixel, and the fourth sub-pixel all emit light, in a case where an ambient temperature is less than a first threshold. The second sub-pixel and the third sub-pixel both emit light, and one of the fourth sub-pixel and the first sub-pixel emits light, in a case where the ambient temperature is greater than or equal to the first threshold.
    Type: Application
    Filed: March 3, 2020
    Publication date: June 17, 2021
    Inventors: Chao KONG, Yamin YANG
  • Publication number: 20210166622
    Abstract: A light-emitting assembly contains a light-emitting diode and a driving circuit configured to provide a driving current for driving the light-emitting diode to emit a light. The driving circuit comprises a thermistor, which is coupled to the light-emitting diode and configured to have an electrical resistance thereof altering with a change of a temperature of the light-emitting assembly to thereby adjust an intensity of the driving current. The thermistor can be a metal thermistor, a negative-temperature coefficient thermistor, a critical-temperature thermistor, or a positive-temperature coefficient thermistor. The light-emitting assembly can automatically adjust a brightness of the light emitted by the light-emitting diode to be within an expected range, causing an improved working life and reliability. The light-emitting assembly can be employed in a lighting device or a display panel.
    Type: Application
    Filed: December 15, 2017
    Publication date: June 3, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chao KONG, Kening ZHENG, Dong CHEN, Mingyin YU, Yinan LIANG
  • Patent number: 11017722
    Abstract: The present disclosure relates to a display substrate, a display device, and a control method thereof. The display substrate includes a plurality of pixels, each of which includes a first sub-pixel, a second sub-pixel, a third sub-pixel, and a fourth sub-pixel. The first sub-pixel, the second sub-pixel, and the third sub-pixel have different light emission colors. The fourth sub-pixel has the same light emission color as the first sub-pixel. The first sub-pixel, the second sub-pixel, the third sub-pixel, and the fourth sub-pixel all emit light, in a case where an ambient temperature is less than a first threshold. The second sub-pixel and the third sub-pixel both emit light, and one of the fourth sub-pixel and the first sub-pixel emits light, in a case where the ambient temperature is greater than or equal to the first threshold.
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: May 25, 2021
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Chao Kong, Yamin Yang