Patents by Inventor Wu Cao

Wu Cao 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: 11925979
    Abstract: Large steel ingot casting is accomplished with a top suspended induction heating device supplied with variable power and variable frequency from a power source. By the induction heating and stirring provided by the top suspended induction heating device, metal solidification advances progressively upwards from bottom to top, and the upper molten metal in a riser part compensates for shrinkage of the lower solidified metal in the main part. Inclusions are selectively moved out of the molten metal by a variable electromagnetic stirring force and the formation of casting defects is suppressed.
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: March 12, 2024
    Assignee: Inductotherm Corp.
    Inventors: Satyen N. Prabhu, Mike Maochang Cao, Nier Wu
  • Publication number: 20240027849
    Abstract: The present application provides a display panel and a display device. A blue sub-pixel of the display panel has more display domains than a red sub-pixel and a green sub-pixel. The blue sub-pixel has a differential design while the red sub-pixel and the green sub-pixel maintain their original designs. Under a precondition of ensuring light transmittance, a lower proportion of light is emitted by the blue sub-pixels in a displayed screen when viewed at wide viewing angles, so that the present application can alleviate a color shift problem at wide viewing angles of a conventional liquid crystal display.
    Type: Application
    Filed: July 21, 2021
    Publication date: January 25, 2024
    Applicant: TCL China Star Optoelectronics Technology Co., Ltd.
    Inventor: Wu CAO
  • Patent number: 11822188
    Abstract: The present invention provides a pixel electrode and a liquid crystal display panel. A first side electrode and a second side electrode are respectively connected to both ends of a first trunk electrode, and a third side electrode and a fourth side electrode are respectively disposed on sides of the first side electrode and the second side electrode away from a branch electrode. Each of the first side electrode and the second side electrode is provided with a notch at a junction with the first trunk electrode, and the two notches are respectively disposed on the sides of the first side electrode and the second side electrode away from the branch electrode, which can relieve dark lines at pixel boundaries.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: November 21, 2023
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Qi Zhang, Yoonsung Um, Wu Cao
  • Patent number: 11693286
    Abstract: The present disclosure provides a COA substrate and a liquid crystal display panel, the COA substrate comprises a plurality of crisscrossed data lines and scan lines, and a pixel unit composed of the data lines and the scan lines. The pixel unit is divided into an opening region of the pixel unit and a non-opening region of the pixel unit. The data lines, the scan lines, transistor units, a data line black matrix less (DBS) common electrode line, and a pixel through-hole are electrically connected to the transistor unit, which are disposed in the non-opening region. The DBS common electrode line in the non-opening region of the pixel unit bypasses the pixel through-hole.
    Type: Grant
    Filed: January 1, 2020
    Date of Patent: July 4, 2023
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD
    Inventors: Qi Zhang, Wu Cao
  • Patent number: 11616083
    Abstract: The present invention provides a display including: a substrate; a plurality of data lines disposed above the substrate; and a pixel electrode disposed above the plurality of data lines, and including: at least one first trunk and a plurality of second trunks extending along a first direction; a plurality of first branches; and a plurality of second branches, wherein distal ends of the plurality of first branches and distal ends of the plurality of second branches are staggered and connected to each other at positions corresponding to the plurality of data lines.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: March 28, 2023
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Qi Zhang, Wu Cao
  • Publication number: 20230091176
    Abstract: The present invention provides a pixel electrode and a liquid crystal display panel. A first side electrode and a second side electrode are respectively connected to both ends of a first trunk electrode, and a third side electrode and a fourth side electrode are respectively disposed on sides of the first side electrode and the second side electrode away from a branch electrode. Each of the first side electrode and the second side electrode is provided with a notch at a junction with the first trunk electrode, and the two notches are respectively disposed on the sides of the first side electrode and the second side electrode away from the branch electrode, which can relieve dark lines at pixel boundaries.
    Type: Application
    Filed: April 29, 2020
    Publication date: March 23, 2023
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Qi ZHANG, Yoonsung UM, Wu CAO
  • Patent number: 11531242
    Abstract: A liquid crystal display panel includes an array substrate and a color filter substrate. Each of the pixel units includes a thin film transistor layer and a pixel electrode disposed on the thin film transistor layer. The pixel electrode includes a first pixel electrode and a second pixel electrode, and a spacing region disposed between the first pixel electrode and the second pixel electrode.
    Type: Grant
    Filed: April 15, 2020
    Date of Patent: December 20, 2022
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Qi Zhang, Wu Cao
  • Patent number: 11526059
    Abstract: An array substrate and a liquid crystal display panel are provided. The array substrate includes data lines, scanning lines, common electrode lines, and pixels. Wherein, first areas corresponding to and adjacent to the data lines, second areas corresponding to and adjacent to the scanning lines, third areas corresponding to the common electrode lines, and fourth areas between adjacent rows of the pixels are provided with shield electrodes, and a disposition density of the shield electrodes corresponding to first sub-pixels is less than a disposition density of the shield electrodes corresponding to third sub-pixels. The present disclosure reduces dark-state light leakage phenomenon.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: December 13, 2022
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Wu Cao
  • Publication number: 20220317525
    Abstract: An array substrate and a liquid crystal display panel are provided. The array substrate includes data lines, scanning lines, common electrode lines, and pixels. Wherein, first areas corresponding to and adjacent to the data lines, second areas corresponding to and adjacent to the scanning lines, third areas corresponding to the common electrode lines, and fourth areas between adjacent rows of the pixels are provided with shield electrodes, and a disposition density of the shield electrodes corresponding to first sub-pixels is less than a disposition density of the shield electrodes corresponding to third sub-pixels. The present disclosure reduces dark-state light leakage phenomenon.
    Type: Application
    Filed: December 20, 2019
    Publication date: October 6, 2022
    Inventor: Wu CAO
  • Publication number: 20220308403
    Abstract: The present invention provides an array substrate and a liquid crystal display (LCD) device. The array substrate includes multiple pixel units arranged in an array. Each pixel unit includes a pixel electrode and a thin film transistor (TFT). The pixel electrode includes a primary-region pixel electrode and a secondary-region pixel electrode. The TFT includes a first TFT for controlling the primary-region pixel electrode and a second TFT for controlling the secondary-region pixel electrode. The primary-region pixel electrode and the secondary-region pixel electrode are arranged on a same side of the first TFT and the second TFT.
    Type: Application
    Filed: December 27, 2019
    Publication date: September 29, 2022
    Inventor: Wu CAO
  • Patent number: 11435632
    Abstract: The present invention provides an array substrate and a display panel, wherein the first protrusion and the second protrusion are provided in the filter unit of the color filter layer, and the second gap between the data line and the drain is covered with the first protrusion and/or the second protrusion, to solve the problem that a residue of the ITO exists in the second gap, which causes short circuit between the pixel electrode and the DBS electrode, such that the product yield is elevated, and the display effect is improved, thus enhancing customer experience.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: September 6, 2022
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Qi Zhang, Wu Cao, Yihe Zhang
  • Patent number: 11392001
    Abstract: The present invention provides a pixel structure and a liquid crystal display panel. The pixel structure includes a plurality of sub-pixels and a plurality of pixel electrodes, wherein a boundary of each of the sub-pixels has a hexagonal shape, each of the pixel electrodes includes at least three main electrodes disposed to intersect each other, all of the main electrodes intersect each other at an intersection, and the main electrodes define an area in each of the sub-pixels as a plurality of domains that are independent from each other.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: July 19, 2022
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Wu Cao
  • Patent number: 11366361
    Abstract: An array substrate is provided. The array substrate includes: a substrate; a plurality of scan lines; a plurality of data lines; and a plurality of pixel units disposed in a matrix. In two adjacent ones of the pixel units in two adjacent rows, a second pixel electrode in an auxiliary area of one of the two adjacent ones of the pixel units extends to a main display area of the other of the two adjacent ones of the pixel units. A second pixel electrode extending part is disposed between a first pixel electrode and a corresponding one of the data lines. A metal electrode plate for light shielding is not disposed in an area in which the second pixel electrode extending part is disposed, and thus a transmittance is increased.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: June 21, 2022
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Wu Cao
  • Patent number: 11360592
    Abstract: A display panel and a method of manufacturing thereof are provided. The display panel includes a backlight module, a first substrate and a second substrate opposite to each other, a plurality of touch signal traces disposed on the first substrate, a common electrode layer and a plurality of touch electrodes disposed on the second substrate, and a plurality of conductive primary spacers disposed between the first substrate and the second substrate. Two ends of the conductive primary spacers are connected to the touch electrodes and the touch signal traces, to avoid the shielding of the touch electrode signals by the common electrode.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: June 14, 2022
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Wu Cao, Yunglun Lin, Liwei Gong
  • Patent number: 11333946
    Abstract: The present invention provides a display panel and a display module. The display panel comprises at least two pixel units. Each pixel units comprises a substrate, a thin film transistor (TFT) disposed on the substrate, and a pixel electrode disposed on the thin film transistor. The thin film transistor and the pixel electrode disposed in the same pixel unit are insulated from each other. The thin film transistor disposed in the pixel unit is electrically connected to a pixel electrode disposed in another pixel unit, which is disposed parallel to the pixel unit.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: May 17, 2022
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Wu Cao
  • Publication number: 20220113574
    Abstract: A liquid crystal display panel includes an array substrate and a color filter substrate. Each of the pixel units includes a thin film transistor layer and a pixel electrode disposed on the thin film transistor layer. The pixel electrode includes a first pixel electrode and a second pixel electrode, and a spacing region disposed between the first pixel electrode and the second pixel electrode.
    Type: Application
    Filed: April 15, 2020
    Publication date: April 14, 2022
    Inventors: Qi ZHANG, Wu CAO
  • Patent number: 11289514
    Abstract: The present application discloses a thin-film transistor (TFT) array substrate and a display panel. The TFT array substrate includes an active layer and a source/drain electrode disposed on the active layer. The active layer includes an electrode coverage region, a channel region, and a first peripheral region disposed around the electrode coverage region and the channel region. The active layer located in the first peripheral region is distributed in multi-sections.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: March 29, 2022
    Inventor: Wu Cao
  • Patent number: 11281055
    Abstract: The present invention discloses an array substrate and a display panel. The array substrate includes an underlay substrate, scan lines disposed transversely, data lines disposed longitudinally, and a plurality of pixel units. Each pixel unit has a primary region and a secondary region. The pixel unit has a primary pixel electrode in the primary region and a secondary pixel electrode in the secondary region. The primary pixel electrode and the secondary pixel electrode are disposed at an interval, and the secondary pixel electrode surrounds a portion of the primary pixel electrode near the data lines.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: March 22, 2022
    Assignee: Shenzhen China Star Optoelectronies Semiconductor Display Technology Co., Ltd.
    Inventors: Wu Cao, Qi Zhang
  • Publication number: 20220082892
    Abstract: The present invention provides a pixel structure and a liquid crystal display panel. The pixel structure includes a plurality of sub-pixels and a plurality of pixel electrodes, wherein a boundary of each of the sub-pixels has a hexagonal shape, each of the pixel electrodes includes at least three main electrodes disposed to intersect each other, all of the main electrodes intersect each other at an intersection, and the main electrodes define an area in each of the sub-pixels as a plurality of domains that are independent from each other.
    Type: Application
    Filed: November 6, 2019
    Publication date: March 17, 2022
    Inventor: Wu CAO
  • Publication number: 20220027004
    Abstract: A display panel and a method of manufacturing thereof are provided. The display panel includes a backlight module, a first substrate and a second substrate opposite to each other, a plurality of touch signal traces disposed on the first substrate, a common electrode layer and a plurality of touch electrodes disposed on the second substrate, and a plurality of conductive primary spacers disposed between the first substrate and the second substrate. Two ends of the conductive primary spacers are connected to the touch electrodes and the touch signal traces, to avoid the shielding of the touch electrode signals by the common electrode.
    Type: Application
    Filed: March 20, 2020
    Publication date: January 27, 2022
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Wu CAO, Yunglun LIN, Liwei GONG