Patents by Inventor Macai Lu

Macai Lu 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: 11302681
    Abstract: A display device and a method of manufacturing thereof are provided. A display device includes an array substrate and a pixel electrode disposed on the array substrate. The pixel electrode includes a soldering region, a non-soldering region, a transparent conductive oxide layer formed on the array substrate, a first metal electrode layer disposed on the transparent conductive oxide layer of the soldering region and the non-soldering region, a second metal protective layer disposed on the first metal electrode layer of the non-soldering region, and a micro LED chip including a pin correspondingly soldered on the first metal electrode layer of the soldering region. The metal electrode layer easily reacted with the organic solvent or the organic film to cause residue or defects can be improved, and the first metal electrode layer is merely retained to provide a solder joint for soldering the micro LED chip without affecting subsequent processes.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: April 12, 2022
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPALY TECHNOLOGY CO., LTD.
    Inventors: Macai Lu, Minggang Liu
  • Publication number: 20220107528
    Abstract: A liquid crystal display panel and a manufacturing method thereof are provided. The liquid crystal display panel includes a first substrate provided with a first color resist layer, a second substrate disposed correspondingly to the first substrate and provided with a second color resist layer, and a polymer network liquid crystal layer. Wherein, the first color resist layer includes a plurality of first sub-color resists, and the second color resist layer includes a plurality of second sub-color resists disposed correspondingly to the first sub-color resists according to colors and positions.
    Type: Application
    Filed: April 14, 2020
    Publication date: April 7, 2022
    Inventor: Macai LU
  • Patent number: 11271014
    Abstract: A photosensitive device comprising a first oxide thin film transistor and a second oxide thin film transistor. Wherein, a drain of the first oxide thin film transistor is electrically connected to a gate of the second oxide thin film transistor. The photosensitive device according to the present application adopts oxide thin film transistors arranged in a plurality of layers, which greatly improves the response amplitude to ambient light and breaks through the limitations of the single thin film transistor's low light response which makes it impossible to be used as a visible light detecting component. Therefore, the photosensitive device according to the present application can realize detection of ambient light and can expand the scope in which it can be applied.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: March 8, 2022
    Inventors: Macai Lu, Nian Liu
  • Patent number: 11249551
    Abstract: An electrostatic feedback display array, an active driving method, and a circuit. The array includes a substrate, an insulation layer on the substrate, a passivation layer on the insulation layer, a dielectric layer on the passivation layer, an inductive TFT and a driving TFT in the insulation layer. The passivation layer has an LED and electrically connects to a first electrode of the LED. The dielectric layer has a second electrode. The source of the inductive TFT electrically connects to the second electrode. The driving TFT has a source electrically connected to the first electrode device, and a gate electrically connected to a source of inductive TFT. The invention utilizes TFTs to control a touch electrostatic feedback switch, integrates electrostatic feedback, capacitance sensing and display functions, realizes boundary perceptible haptic feedbacks, avoids direct connection and harmful consequences of high voltage source to the human body, and improve safety.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: February 15, 2022
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Nian Liu, Macai Lu
  • Publication number: 20220037297
    Abstract: A display device and a method of manufacturing thereof are provided. A display device includes an array substrate and a pixel electrode disposed on the array substrate. The pixel electrode includes a soldering region, a non-soldering region, a transparent conductive oxide layer formed on the array substrate, a first metal electrode layer disposed on the transparent conductive oxide layer of the soldering region and the non-soldering region, a second metal protective layer disposed on the first metal electrode layer of the non-soldering region, and a micro LED chip including a pin correspondingly soldered on the first metal electrode layer of the soldering region. The metal electrode layer easily reacted with the organic solvent or the organic film to cause residue or defects can be improved, and the first metal electrode layer is merely retained to provide a solder joint for soldering the micro LED chip without affecting subsequent processes.
    Type: Application
    Filed: September 20, 2019
    Publication date: February 3, 2022
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Macai Lu, Minggang Liu
  • Patent number: 11239277
    Abstract: A display panel comprises: an array substrate comprising a display area and a trace area located around the display area; a light-emitting layer located in the display area and electrically connected to a first side of the array substrate; a fanout circuit located in the trace area; a fanout circuit base layer disposed between the fanout circuit and the array substrate; and a driver chip located at a second side of the array substrate; wherein the fanout circuit and the fanout circuit base layer are bent from the first side to the second side along a sidewall of the array substrate, the fanout circuit is electrically connected to the array substrate at the first side, and the fanout circuit is electrically connected to the driver chip at the second side.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: February 1, 2022
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Macai Lu
  • Publication number: 20210408295
    Abstract: The present disclosure provides an array substrate and a manufacturing method thereof, and a display panel. In the array substrate, a functional layer disposed between an active layer and a gate insulating layer protects the active layer during etching of the active layer, which prevents the active layer from damage and conducts a source/drain layer and the active layer, so that transistors in the array substrate work normally, solving the technical problem that current display panels damage the active layer during a preparation process, which causes performance of thin film transistors to decrease.
    Type: Application
    Filed: January 16, 2020
    Publication date: December 30, 2021
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Chuanbao LUO, Macai LU
  • Publication number: 20210397258
    Abstract: An electrostatic feedback display array, an active driving method, and a circuit. The array includes a substrate, an insulation layer on the substrate, a passivation layer on the insulation layer, a dielectric layer on the passivation layer, an inductive TFT and a driving TFT in the insulation layer. The passivation layer has an LED and electrically connects to a first electrode of the LED. The dielectric layer has a second electrode. The source of the inductive TFT electrically connects to the second electrode. The driving TFT has a source electrically connected to the first electrode device, and a gate electrically connected to a source of inductive TFT. The invention utilizes TFTs to control a touch electrostatic feedback switch, integrates electrostatic feedback, capacitance sensing and display functions, realizes boundary perceptible haptic feedbacks, avoids direct connection and harmful consequences of high voltage source to the human body, and improve safety.
    Type: Application
    Filed: December 27, 2019
    Publication date: December 23, 2021
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Nian LIU, Macai LU
  • Publication number: 20210398952
    Abstract: The present disclosure provides a micro light emitting diode display panel, a method for fabricating the same, and a display device comprising the same. The micro light emitting diode display panel includes an active layer, a gate insulating layer, a gate electrode, a source electrode, a drain electrode, a pixel electrode, a micro light emitting diode, and a gate insulating layer covering the active layer, the gate insulating layer, the gate electrode, the source electrode, and the drain electrode. The light shielding layer blocks light emitted by the micro light emitting diode from being incident on the thin film transistor, thereby reducing influence of the light emitted by the micro light emitting diode light on the thin film transistor.
    Type: Application
    Filed: July 18, 2019
    Publication date: December 23, 2021
    Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Wei ZHANG, Macai LU, Minggang LIU, Chunche HSU, Chiayu Lee
  • Publication number: 20210366943
    Abstract: A manufacturing method of a thin film transistor substrate and a thin film transistor substrate are provided. In the manufacturing method of the thin film transistor substrate, a buffer layer, a metal oxide semiconductor layer, and a first insulating layer are sequentially deposited on a substrate, and then the first insulating layer and the metal oxide semiconductor layer are patterned according to a pattern of an active layer. The metal oxide semiconductor layer forms the active layer. A second insulating layer and a gate metal layer are then sequentially deposited. The first insulating layer and the second insulating layer together form a gate insulating layer. The first insulating layer can be used to protect the metal oxide semiconductor layer, such that defects on a contact surface between the active layer and the gate insulating layer are reduced, thereby improving the stability of a device.
    Type: Application
    Filed: July 18, 2019
    Publication date: November 25, 2021
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Macai LU
  • Publication number: 20210343781
    Abstract: A display substrate is provided. The display substrate includes a substrate layer. A functional layer is disposed on the substrate layer, and a first positioning layer is disposed on the functional layer. A constituent material of the first positioning layer includes a magnetic material. The provided display substrate utilizes a novel magnetic positioning function layer structure, so that it can self-align with the other functional layer structure disposed on the magnetic positioning layer structure, thereby improving an alignment precision between the two structures, and reducing a repair cost which may be caused due to insufficient alignment precision. At the same time, a self-alignment process also simplifies the corresponding alignment operation.
    Type: Application
    Filed: November 4, 2019
    Publication date: November 4, 2021
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Macai LU
  • Publication number: 20210335836
    Abstract: A photosensitive device comprising a first oxide thin film transistor and a second oxide thin film transistor. Wherein, a drain of the first oxide thin film transistor is electrically connected to a gate of the second oxide thin film transistor. The photosensitive device according to the present application adopts oxide thin film transistors arranged in a plurality of layers, which greatly improves the response amplitude to ambient light and breaks through the limitations of the single thin film transistor's low light response which makes it impossible to be used as a visible light detecting component. Therefore, the photosensitive device according to the present application can realize detection of ambient light and can expand the scope in which it can be applied.
    Type: Application
    Filed: May 14, 2019
    Publication date: October 28, 2021
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Macai LU, Nian LIU
  • Publication number: 20210335849
    Abstract: A thin film transistor (TFT) array substrate includes a substrate layer, wherein a thin film transistor and a capacitor are disposed on the substrate layer and spaced apart from each other, and wherein the thin film transistor includes an active layer made of a metal oxide semiconductor material, and the capacitor includes a semiconductor capacitor electrode made of a metal oxide semiconductor material. The capacitor is coupled to a gate of the thin film transistor, thereby driving the thin film transistor. The TFT array substrate using a novel thin film transistor driving structure, which effectively improves stability of the device.
    Type: Application
    Filed: May 17, 2019
    Publication date: October 28, 2021
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Nian Liu, Macai Lu
  • Patent number: 11127934
    Abstract: Embodiments of the present application provide a method for manufacturing a display panel and a display panel. In the present scheme, a display unit is disposed on a first surface of a base substrate and a sensing unit is disposed on a second surface of the base substrate, which can solve the problems of reducing the aperture ratio of the display panel or lowing the resolution of the display panel caused by integrating the sensing unit and the display unit on the display panel at the same time.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: September 21, 2021
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Lei Wei, Macai Lu
  • Publication number: 20210233899
    Abstract: A display panel comprises a plurality of light-emitting components, an array substrate, and a driver chip. The array substrate comprises: a base substrate; a plurality of signal lines disposed on a first surface of the base substrate; and a fanout circuit disposed on a second surface of the base substrate; the driver chip is disposed on a second surface side, and is electrically connected to the fanout circuit; a plurality of openings are provided on the array substrate, the plurality of openings are located on an edge of the array substrate and penetrate the array substrate, the array substrate comprises a plurality of electrical connection parts, and the plurality of electrical connection parts are electrically connected to the plurality of signal lines and the fanout circuit.
    Type: Application
    Filed: November 21, 2019
    Publication date: July 29, 2021
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co,. Ltd.
    Inventor: Macai LU
  • Publication number: 20210225928
    Abstract: A display panel comprises: an array substrate comprising a display area and a trace area located around the display area; a light-emitting layer located in the display area and electrically connected to a first side of the array substrate; a fanout circuit located in the trace area; a fanout circuit base layer disposed between the fanout circuit and the array substrate; and a driver chip located at a second side of the array substrate; wherein the fanout circuit and the fanout circuit base layer are bent from the first side to the second side along a sidewall of the array substrate, the fanout circuit is electrically connected to the array substrate at the first side, and the fanout circuit is electrically connected to the driver chip at the second side.
    Type: Application
    Filed: November 15, 2019
    Publication date: July 22, 2021
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Macai LU
  • Publication number: 20210216155
    Abstract: The disclosure provides a display panel and a manufacturing method thereof. The method includes: forming a main gate and a sub-gate on a glass substrate, wherein at least a portion of the sub-gate includes a light transmissive area; sequentially forming a gate insulating layer, a semiconductor layer, and a second metal layer on the sub-gate, patterning the semiconductor layer to obtain a main active layer and a sub-active layer, and patterning the second metal layer to obtain a main source/drain and a sub-source/drain.
    Type: Application
    Filed: November 11, 2019
    Publication date: July 15, 2021
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Nian LIU, Macai LU, Lei WEN
  • Publication number: 20210184182
    Abstract: Embodiments of the present application provide a method for manufacturing a display panel and a display panel. In the present scheme, a display unit is disposed on a first surface of a base substrate and a sensing unit is disposed on a second surface of the base substrate, which can solve the problems of reducing the aperture ratio of the display panel or lowing the resolution of the display panel caused by integrating the sensing unit and the display unit on the display panel at the same time.
    Type: Application
    Filed: December 27, 2019
    Publication date: June 17, 2021
    Inventors: Lei WEI, Macai LU
  • Patent number: 10545270
    Abstract: A method of manufacturing a nano metal grating is provided. In the method, a patterned metal oxide film is formed on a surface of the metal layer through the formation of metal oxides in an oxygen ashing process, and the nano metal grating is manufactured by using the patterned metal oxide film as a mask. Thus, a drawback that the metal layer cannot be etched after the metal layer is oxidized is solved, and the metal oxide film is not only used as a mask to manufacture the nano metal grating, but the metal oxide film is also used as a protective layer of the nano metal grating.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: January 28, 2020
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jun Hou, Macai Lu
  • Patent number: 10510818
    Abstract: An OLED display device is disclosed, and the metal connection electrode is connected to the auxiliary electrode through a recessed hole; the recessed hole forms a first cavity and a second cavity communicating with each other, and the first cavity extends from an edge line of the second cavity away from the pixel electrode in the same direction; the pixel definition layer is above the array substrate, and reserved with grooves corresponding to the recessed holes and the pixel electrodes; an OLED semiconductor layer on the pixel definition layer covers on the pixel electrode and the metal connection electrode, and also extends into the first cavity to be connected with the auxiliary electrode; a cathode is on the OLED semiconductor layer, and extends into the first cavity to be connected with the auxiliary electrode, and is in a discontinuous connection state with the recessed hole as a breakpoint.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: December 17, 2019
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Macai Lu