Patents by Inventor Chuanbao LUO

Chuanbao LUO 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: 20240136415
    Abstract: A display panel and a method of manufacturing the same, and a display device are provided. A first metal layer is disposed on a substrate and includes a source electrode and a drain electrode. An active layer is disposed on a side of the first metal layer away from the substrate and includes an active portion. The active portion includes a conductor sublayer and a semiconductor sublayer. The conductor sublayer includes a first conductor subsection and a second conductor subsection spaced apart from each other, and the semiconductor sublayer is connected at least between the first conductor subsection and the second conductor subsection.
    Type: Application
    Filed: November 28, 2022
    Publication date: April 25, 2024
    Inventors: Kai ZHOU, Chuanbao LUO
  • Publication number: 20240072068
    Abstract: An array substrate is manufactured by five time patterning processes and includes connecting electrodes. The connecting electrodes include a first connecting electrode and a second connecting electrode. The first connecting electrode is in contact with the source electrode contact area through the first contact hole and in contact with the source electrode through the third contact hole. The second connecting electrode is in contact with the drain electrode contact area through the second contact hole, and in contact with the drain electrode through the fourth contact hole.
    Type: Application
    Filed: December 22, 2022
    Publication date: February 29, 2024
    Inventor: Chuanbao LUO
  • Publication number: 20240063230
    Abstract: The present application provides a display panel, a manufacturing method of the display panel, and an electronic terminal. The present application includes, stacked from bottom to top, a driving circuit layer including a driving circuit, a planarization layer including a first planarization portion and a second planarization portion arranged in the same layer, an electrode layer including an electrode group, and a light emitting layer including a light emitting device. The first planarization portion is arranged at one side of the driving circuit close to the electrode layer, the second planarization portion is arranged at one side of the electrode group close to the driving circuit layer, and a thickness of the second planarization portion is greater than a thickness of the first planarization portion.
    Type: Application
    Filed: October 31, 2022
    Publication date: February 22, 2024
    Inventor: Chuanbao LUO
  • Publication number: 20240063233
    Abstract: An array substrate includes at least one low temperature polysilicon thin film transistor and at least one oxide thin film transistor. The low temperature polysilicon thin film transistor includes an active layer and a first gate electrode. The oxide thin film transistor includes an oxide semiconductor layer, a second source electrode, and a second drain electrode. The first gate electrode, the second source electrode, and the second drain electrode are disposed in a same layer, and the active layer and the oxide semiconductor layer are disposed in different layers. A method is used for fabricating the array substrate. A display panel includes the array substrate.
    Type: Application
    Filed: December 14, 2022
    Publication date: February 22, 2024
    Inventor: Chuanbao LUO
  • Publication number: 20240055438
    Abstract: The present application discloses a method of manufacturing an array substrate, an array substrate, and a display panel. The present application saves one photolithography process by patterning a first metal layer, a buffer layer, and a semiconductor layer in a same manufacturing process, and also saves one photolithography process by manufacturing a third electrode plate, a drain electrode, a gate electrode, a source electrode, and a connection portion in a same manufacturing process. Therefore, the method of manufacturing the array substrate provided by the present application can reduce two photolithography processes, which is beneficial to improve a production efficiency of the array substrate.
    Type: Application
    Filed: August 3, 2021
    Publication date: February 15, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Chuanbao Luo
  • Publication number: 20240055530
    Abstract: A thin film transistor array substrate and a display panel are provided. The array substrate includes a substrate, a first metal layer, a first buffer layer, a second metal layer, a second buffer layer, an active layer, a gate insulating layer, a third metal layer, a passivation layer, and a fourth metal layer. By arranging the fourth metal layer on the passivation layer, an influence of water vapor in the environment on the array substrate is blocked, thereby improving a product yield and a reliability of the display panel.
    Type: Application
    Filed: August 30, 2022
    Publication date: February 15, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Chuanbao LUO
  • Publication number: 20240038770
    Abstract: The embodiments of the application disclose a display panel and a method of manufacturing same. In the display panel, an active layer includes a first part, a second part, a conductor part, and a channel part. The conductor part is disposed between the first part and the second part and is connected to the channel part. A first metal layer includes a gate electrode, which overlaps the channel part. A second metal layer includes a source electrode and a drain electrode, the source electrode is connected to the first part, and the drain electrode is connected to the second part.
    Type: Application
    Filed: December 30, 2020
    Publication date: February 1, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Chuanbao LUO
  • Publication number: 20240038783
    Abstract: A display device and a manufacturing method thereof are provided. The display device includes a substrate, a switching thin film transistor, and a driving thin film transistor. The switching thin film transistor includes a first gate, a first active layer, a first source, and a first drain disposed on the substrate, wherein the first source and the first drain are disposed on a side of the first active layer away from the substrate. The driving thin film transistor includes a second source, a second drain, a second active layer, and a second gate disposed on the substrate, wherein the second active layer is positioned on a side of the second source and the second drain away from the substrate.
    Type: Application
    Filed: January 10, 2022
    Publication date: February 1, 2024
    Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Chuanbao Luo
  • Publication number: 20240030350
    Abstract: A driving substrate, a preparation method thereof, and a display panel are disclosed. The driving substrate includes a base, an oxide semiconductor layer, an etch stop layer (ESL) and a water-oxygen barrier layer which are sequentially arranged. The oxide semiconductor layer includes a channel. The ESL covers the channel. An orthographic projection of the water-oxygen barrier layer on a plane where the base is located at least partially overlaps with that of the channel on the plane where the base is located.
    Type: Application
    Filed: December 16, 2021
    Publication date: January 25, 2024
    Inventor: Chuanbao LUO
  • Publication number: 20240030240
    Abstract: The application provides a driver board and a display panel; the driver board comprises a substrate, a metal oxide semiconductor active layer, a gate layer, and a first protective layer; the gate layer is arranged on the side of the metal oxide semiconductor active layer away from the substrate, the first protective layer covers the gate layer, the material of the first protective layer is metal oxide semiconductor, and the oxygen content of the first protective layer is greater than the oxygen content of the metal oxide semiconductor active layer. The first protective layer in the driver board of the present application could block water vapor in the environment, so as to improve the transistor performance.
    Type: Application
    Filed: December 8, 2021
    Publication date: January 25, 2024
    Inventor: Chuanbao Luo
  • Publication number: 20240030241
    Abstract: An array substrate and a manufacturing method thereof, and a display panel are disclosed. The array substrate includes a substrate, a switching transistor, and a driving transistor. The switching transistor and the driving transistor are disposed on the substrate. An orthogonal projection of the switching transistor on the substrate is staggered from an orthogonal projection of the driving transistor on the substrate. A mobility of the switching transistor is greater than a mobility of the driving transistor, and a threshold voltage of the driving transistor is less than a threshold voltage of the switching transistor.
    Type: Application
    Filed: December 10, 2021
    Publication date: January 25, 2024
    Inventors: Chuanbao Luo, Jiangbo Yao
  • Publication number: 20240032337
    Abstract: A display panel, a manufacturing method thereof, and a display device are provided. Through a configuration of a capacitor in the display panel, where the capacitor is connected to a first thin film transistor, a photosensitive pattern in the capacitor senses light, such that when the light varies, a varying charge quantity of the photosensitive pattern in the capacitor varies current of the first thin film transistor, increasing a sensitometric characteristic of the first thin film transistor, and increasing fingerprint recognition effect, and a second gate is configured to be a capacitor polar plate, decreasing a thickness of an array substrate.
    Type: Application
    Filed: July 26, 2021
    Publication date: January 25, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Chuanbao LUO
  • Publication number: 20240030242
    Abstract: The application discloses an array substrate, a preparation method thereof, and a display panel. The array substrate includes a substrate and a touch unit. The substrate includes a non-pixel region. The touch unit is disposed on the substrate, and the touch unit is located in the non-pixel area. The touch unit includes a touch transistor disposed on the substrate, a pressure-sensitive layer, and a first touch electrode. The touch transistor comprises a first gate. The pressure-sensitive layer and the first touch electrode are sequentially stacked on the first gate.
    Type: Application
    Filed: October 29, 2021
    Publication date: January 25, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Chuanbao Luo
  • Patent number: 11877475
    Abstract: A display panel and a method for manufacturing the same are provided. The display panel comprises a thin film transistor array substrate, a storage capacitor, and a light-emitting element, wherein the thin film transistor array substrate comprises a driving thin film transistor and a switching thin film transistor, the driving thin film transistor and the switching thin film transistor are electrically connected, the driving thin film transistor and the light-emitting element are electrically connected, and the storage capacitor comprises a conductive portion of a first active layer of the switching thin film transistor and an anode of the light-emitting element.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: January 16, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Chuanbao Luo
  • Publication number: 20230420624
    Abstract: The present application provides a display panel, a manufacturing method thereof, and a splicing display device. The display panel includes: a substrate; a driving circuit layer, and the driving circuit layer includes a plurality of thin film transistors; light-emitting units; and a plurality of scanning lines and a plurality of data lines disposed on a side of the substrate away from the driving circuit layer. The display panel comprises a plurality of display areas, and each of the display areas is provided with one of the light-emitting units and one of the thin film transistors electrically connected to the one of the light-emitting units, one of the scanning lines, and one of the data lines, respectively.
    Type: Application
    Filed: June 23, 2022
    Publication date: December 28, 2023
    Inventor: Chuanbao LUO
  • Publication number: 20230361134
    Abstract: A method for fabricating a driving circuit board is provided, including: sequentially forming a first metal layer and a first protective layer on a substrate, wherein the first metal layer comprises a gate layer of a thin film transistor of the driving circuit board, and a first terminal and a second terminal disposed on opposite sides of the thin film transistor; sequentially forming a second metal layer and a third metal layer on the first protective layer, wherein the second metal layer comprises a source/drain layer of the thin film transistor and a connecting terminal disposed on the second terminal; and forming the third metal layer into a second protective layer by a first predetermined process.
    Type: Application
    Filed: July 18, 2023
    Publication date: November 9, 2023
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Chuanbao LUO
  • Publication number: 20230200150
    Abstract: A display panel includes a first thin-film transistor and a second thin-film transistor. The first thin-film transistor includes a first source, a first drain, a first active layer, and a first gate. The second thin-film transistor includes a second source, a second drain, a second active layer, and a second gate. The first drain of the first thin-film transistor is electrically connected to the second gate of the second thin-film transistor. An electron mobility of the first active layer of the first thin-film transistor is greater than or equal to an electron mobility of the second active layer of the second thin-film transistor. A threshold voltage offset of the second active layer of the second thin-film transistor is less than or equal to a threshold voltage offset of the first active layer of the first thin-film transistor.
    Type: Application
    Filed: December 22, 2021
    Publication date: June 22, 2023
    Inventor: Chuanbao LUO
  • Publication number: 20230088235
    Abstract: A display panel and a method for manufacturing the same are provided. The display panel comprises a thin film transistor array substrate, a storage capacitor, and a light-emitting element, wherein the thin film transistor array substrate comprises a driving thin film transistor and a switching thin film transistor, the driving thin film transistor and the switching thin film transistor are electrically connected, the driving thin film transistor and the light-emitting element are electrically connected, and the storage capacitor comprises a conductive portion of a first active layer of the switching thin film transistor and an anode of the light-emitting element.
    Type: Application
    Filed: May 20, 2020
    Publication date: March 23, 2023
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Chuanbao LUO
  • Publication number: 20230024248
    Abstract: The present invention provides an array substrate and a display panel. The array substrate includes: an underlay; a source electrode and drain electrode disposed on underlay; a light shielding portion disposed on underlay; an active layer correspondingly disposed on the source electrode, the drain electrode, and the light shielding portion. The active layer includes a channel region, and the light shielding portion is disposed to correspond to the channel region. The present invention reduces processes and lowers cost by disposing the source electrode, the drain electrode, and the light shielding portion in a same layer such that the source electrode, the drain electrode, and the light shielding portion are simultaneously formed with a same material by a same process.
    Type: Application
    Filed: July 29, 2021
    Publication date: January 26, 2023
    Inventor: Chuanbao LUO
  • Publication number: 20220384767
    Abstract: The present application provides a display panel and a manufacturing method thereof, wherein a projection of a light-absorbing layer in the display panel on a base substrate covers a projection of a gap between a first electrode and a second electrode on the base substrate, so as to absorb ambient light directly or indirectly irradiated on a channel region through the gap between a first electrode and a second electrode, so that the channel region on a first metal layer is well protected, which greatly reduces the problem of performance degradation of the channel region of an active layer caused by irradiation of the external ambient light.
    Type: Application
    Filed: August 10, 2021
    Publication date: December 1, 2022
    Inventor: Chuanbao LUO