Patents by Inventor Dongze Li

Dongze 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: 20240126124
    Abstract: Liquid crystal display panels are provided. In the display panel, a first polarization direction of a first polarizer is perpendicular to a second polarization direction of a second polarizer; each pixel unit includes a pixel electrode including a trunk electrode, the trunk electrode includes a first and a second trunk electrodes disposed along a first direction and a second direction, respectively; an angle between the first direction and the first polarization direction is different from a right angle; the trunk electrode defines an area where the pixel unit is located as four domains, each domain is provided with branch electrodes; the branch electrodes in adjacent domains arranged in a row direction form a first angle and a second angle with the first polarization direction respectively, the first angle ranges from 0 to 30 degrees, and the second angle ranges from 60 degrees to 90 degrees.
    Type: Application
    Filed: December 24, 2023
    Publication date: April 18, 2024
    Inventors: Xingwu CHEN, Yoonsung UM, Yinfeng ZHANG, Xin ZHANG, Lixuan CHEN, Dongze LI
  • Publication number: 20240036421
    Abstract: An array substrate and a display panel are provided. Pixel units of the array substrate include a thin film transistor region, pixel electrode regions, thin film transistors disposed in the thin film transistor region, and pixel electrodes disposed in the pixel electrode regions. The pixel electrode is electrically connected to the thin film transistor. Meanwhile, a shielding member is further disposed in the thin film transistor region, and an interval between the shielding member and the pixel electrode in an extending direction of data lines is a first threshold value.
    Type: Application
    Filed: July 19, 2021
    Publication date: February 1, 2024
    Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xingwu Chen, Mei Chen, Qi SONG, Dongze Li
  • Publication number: 20240030396
    Abstract: A display panel, a manufacturing method thereof, and a bonding structure are provided. The display panel includes a first body electrode and a second body electrode disposed on a same layer on a substrate and disposed oppositely. A first conductive electrode is disposed on the first body electrode. A light-emitting device includes a first lead and a second lead disposed opposite to each other. The first lead is disposed to contact the first body electrode and the first conductive electrode. The second lead contacts the second body electrode.
    Type: Application
    Filed: September 18, 2021
    Publication date: January 25, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Jinyang Zhao, Dongze Li
  • Publication number: 20240012297
    Abstract: The present disclosure provides a pixel unit, wherein a first sub-pixel electrode trunk, a second sub-pixel electrode trunk, and a sub-pixel frame electrode divide a sub-pixel area into a first partition, a second partition, a third partition, and a fourth partition; the fourth partition is provided with a fourth sub-pixel electrode branch, the fourth partition is located in a lower right area of the sub-pixel area, and an included angle between the fourth sub-pixel electrode branch and a left side of a lower frame electrode of the sub-pixel frame electrode is an obtuse angle.
    Type: Application
    Filed: April 20, 2021
    Publication date: January 11, 2024
    Applicant: TCL China Star Optoelectronics Technology Co., Ltd.
    Inventors: Mei CHEN, Xingwu CHEN, Qi SONG, Dongze LI
  • Patent number: 11868011
    Abstract: The present application discloses a liquid crystal display panel, which includes an array substrate, a color filter substrate, a first polarizer and a second polarizer; wherein each of the pixel units includes a pixel electrode, the pixel electrode includes a trunk electrode, the trunk electrode includes a first trunk electrode disposed along a first direction and a second trunk electrode disposed along a second direction, and an angle between the first direction and the first polarization direction is different from a right angle.
    Type: Grant
    Filed: April 15, 2020
    Date of Patent: January 9, 2024
    Assignee: TCL China Star Optoelectronics Technology Co., Ltd.
    Inventors: Xingwu Chen, Yoonsung Um, Yinfeng Zhang, Xin Zhang, Lixuan Chen, Dongze Li
  • Patent number: 11830881
    Abstract: An array substrate, a manufacturing method thereof, and a display panel are provided. The array substrate includes at least one anti-radiation layer including a light incident side and a light-emitting side. The light-emitting side is positioned adjacent to an oxide semiconductor layer, the light incident side is configured to allow high energy light waves to enter the anti-radiation layer, the anti-radiation layer is configured to convert the high energy light waves into visible light, and the light-emitting side is configured to allow the visible light to enter the oxide semiconductor layer, thereby improving light stability of oxide semiconductors.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: November 28, 2023
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Miao Duan, Dongze Li
  • Patent number: 11817308
    Abstract: A display panel and a manufacturing method of the display panel are provided. The display panel includes: a first substrate, a second substrate disposed opposite to the first substrate, a driving circuit disposed opposite to the first substrate and adjacent to a side of the second substrate, and a color resist layer disposed opposite to the driving circuit and adjacent to a side of the first substrate; wherein the color resist layer includes colorized color resist layers and a colorized quantum dot layer, and the driving circuit is a bottom-emission type light-emitting-diode (LED) driving circuit.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: November 14, 2023
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Jing Geng, Dongze Li, Yong Fan
  • Patent number: 11815768
    Abstract: The present disclosure discloses a display panel and a display device. The display panel includes a plurality of first electrodes positioned in a same pixel unit. The first electrodes include a first sub-electrode and a second sub-electrode. A light wavelength transmittance of a first sub-electrode is different from a light wavelength transmittance of a second sub-electrode, so as to increase a viewing angle of the display panel and solve a problem that the display panel is prone to having color shifts.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: November 14, 2023
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Mei Chen, Xingwu Chen, Dongze Li, Xin Zhang
  • Patent number: 11762239
    Abstract: A display panel and a fabricating method thereof are provided. The fabricating method of the display panel has steps of: providing a substrate; forming a light conversion layer on the substrate, wherein material of the light conversion layer has a perovskite structural material with a chemical formula of ABX3, wherein A represents an inorganic element, B represents an inorganic element, and X represents a halogen; performing a patterning step on the light conversion layer by an antisolvent method, wherein the light conversion layer forms a plurality of light conversion patterns; and forming a pixel layer on the light conversion layer, wherein the pixel layer has a plurality of pixel units, and the plurality of pixel units are respectively aligned with the plurality of light conversion patterns. The fabricating method can reduce a dark state brightness of the display panel, thereby improving contrast of the display panel.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: September 19, 2023
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Yongming Yin, Dongze Li
  • Publication number: 20230174854
    Abstract: The present application discloses a manufacturing method of an optical film and the optical film. The manufacturing method includes: step S10, mixing titanium source precursors and a barium source and adding an alkaline agent for a reaction to obtain nanoparticles; and step S20, mixing quantum dots, an organic adhesive, and the nanoparticles followed by coating to obtain the optical film.
    Type: Application
    Filed: September 15, 2020
    Publication date: June 8, 2023
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Xiaowei Sun, Kai Wang, Miao Zhou, Hongcheng Yang, Pai Liu, Bing Xu, Lixuan Chen, Dongze Li
  • Publication number: 20230152636
    Abstract: The present disclosure discloses a display panel and a display device. The display panel includes a plurality of first electrodes positioned in a same pixel unit. The first electrodes include a first sub-electrode and a second sub-electrode. A light wavelength transmittance of a first sub-electrode is different from a light wavelength transmittance of a second sub-electrode, so as to increase a viewing angle of the display panel and solve a problem that the display panel is prone to having color shifts.
    Type: Application
    Filed: June 16, 2020
    Publication date: May 18, 2023
    Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Mei Chen, Xingwu Chen, Dongze Li, Xin Zhang
  • Patent number: 11644721
    Abstract: A display panel and a display device are disclosed. The display panel includes upper and lower substrates, a liquid crystal layer, a first electrode, and a second electrode. The second electrode includes at least a stem electrode and a plurality of branch electrodes. A plurality of subpixel areas are provided, and each of the subpixel areas is divided into at least four liquid crystal domains by the stem electrode. The subpixel area in corresponding one of the liquid crystal domains is further divided to form a partition-like structure to increase number of liquid crystal domains, so that light transmittance and display quality can be improved.
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: May 9, 2023
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xingwu Chen, Mei Chen, Xin Zhang, Lixuan Chen, Dongze Li
  • Publication number: 20230117381
    Abstract: A display panel and a manufacturing method of the display panel are provided. The display panel includes: a first substrate, a second substrate disposed opposite to the first substrate, a driving circuit disposed opposite to the first substrate and adjacent to a side of the second substrate, and a color resist layer disposed opposite to the driving circuit and adjacent to a side of the first substrate; wherein the color resist layer includes colorized color resist layers and a colorized quantum dot layer, and the driving circuit is a bottom-emission type light-emitting-diode (LED) driving circuit.
    Type: Application
    Filed: July 2, 2020
    Publication date: April 20, 2023
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Jing GENG, Dongze LI, Yong FAN
  • Publication number: 20230032811
    Abstract: The present application discloses a liquid crystal display panel, which includes an array substrate, a color filter substrate, a first polarizer and a second polarizer; wherein each of the pixel units includes a pixel electrode, the pixel electrode includes a trunk electrode, the trunk electrode includes a first trunk electrode disposed along a first direction and a second trunk electrode disposed along a second direction, and an angle between the first direction and the first polarization direction is different from a right angle.
    Type: Application
    Filed: April 15, 2020
    Publication date: February 2, 2023
    Inventors: Xingwu CHEN, Yoonsung UM, Yinfeng ZHANG, Xin ZHANG, Lixuan CHEN, Dongze LI
  • Publication number: 20220357618
    Abstract: The present application provides a backlight module and a quantum dot display device. The present application improves energy efficiency by modifying a backlight of the quantum dot display device. Specifically, energy efficiency of a light-emitting element is improved by adding a small amount of phosphors in the backlight module or setting a diffuser plate as a transparent diffuser plate. In addition, the quantum dot display device provided by the present application not only has a backlight device, but also has a quantum dot film layer and a polarizer.
    Type: Application
    Filed: April 30, 2021
    Publication date: November 10, 2022
    Inventors: Xue BAI, Song LAN, Miao ZHOU, Dongze LI
  • Publication number: 20220317523
    Abstract: A display panel and a display device are disclosed. The display panel includes upper and lower substrates, a liquid crystal layer, a first electrode, and a second electrode. The second electrode includes at least a stem electrode and a plurality of branch electrodes. A plurality of subpixel areas are provided, and each of the subpixel areas is divided into at least four liquid crystal domains by the stem electrode. The subpixel area in corresponding one of the liquid crystal domains is further divided to form a partition-like structure to increase number of liquid crystal domains, so that light transmittance and display quality can be improved.
    Type: Application
    Filed: April 21, 2020
    Publication date: October 6, 2022
    Inventors: Xingwu CHEN, Mei CHEN, Xin ZHANG, Lixuan CHEN, Dongze LI
  • Patent number: 11326095
    Abstract: Barium titanium particles, a method of preparing the same, and a display panel are disclosed. The method includes steps of mixing a barium source precursor and a titanium source precursor with an alkaline solution to obtain a to-be-reacted mixture solution, wherein the barium source precursor is selected from barium enoate; and reacting the to-be-reacted mixture solution under a first condition for a first time, and then isolating and purifying to obtain the barium titanium particles.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: May 10, 2022
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Xiaowei Sun, Kai Wang, Miao Zhou, Hongcheng Yang, Pai Liu, Bing Xu, Lixuan Chen, Dongze Li
  • Publication number: 20220077198
    Abstract: An array substrate, a manufacturing method thereof, and a display panel are provided. The array substrate includes at least one anti-radiation layer including a light incident side and a light-emitting side. The light-emitting side is positioned adjacent to an oxide semiconductor layer, the light incident side is configured to allow high energy light waves to enter the anti-radiation layer, the anti-radiation layer is configured to convert the high energy light waves into visible light, and the light-emitting side is configured to allow the visible light to enter the oxide semiconductor layer, thereby improving light stability of oxide semiconductors.
    Type: Application
    Filed: October 27, 2020
    Publication date: March 10, 2022
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Miao DUAN, Dongze LI
  • Patent number: 11114042
    Abstract: The present invention provides a blue light compensation film and an OLED display. The blue light compensation film of the present invention effectively absorbs blue light with wavelength longer than blue wavelength and excite blue light by using a blue light upconversion luminescent material, and effectively improves color shift white OLED device caused by short lifespan of blue electroluminescent material to achieve blue light compensation of the white OLED device and solve the of yellowing in traditional OLED display with age. The OLED display of the present invention comprises the blue light compensation film to avoid color shift problem and provides good display quality.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: September 7, 2021
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Dongze Li, Lixuan Chen
  • Patent number: 11114041
    Abstract: The present invention provides a blue light compensation film and an OLED display. The blue light compensation film of the present invention effectively absorbs blue light with wavelength longer than blue wavelength and excite blue light by using a blue light upconversion luminescent material, and effectively improves color shift white OLED device caused by short lifespan of blue electroluminescent material to achieve blue light compensation of the white OLED device and solve the of yellowing in traditional OLED display with age. The OLED display of the present invention comprises the blue light compensation film to avoid color shift problem and provides good display quality.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: September 7, 2021
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Dongze Li, Lixuan Chen