Patents Assigned to A*STAR
  • Publication number: 20250151498
    Abstract: A light source module and a display device include a substrate configured to have a plurality of light-emitting regions arranged in an array manner, each light-emitting region is provided with two light-emitting groups, each light-emitting group includes a plurality of light-emitting branches arranged side by side, and two driving chips are disposed in parallel between the two light-emitting groups; and single-layer layout wiring arranged on the substrate, wherein the single-layer layout wiring couples the driving chips within the light-emitting regions to each other and electrically connects each of the driving chips to the light-emitting branches within one of the light-emitting groups.
    Type: Application
    Filed: January 9, 2025
    Publication date: May 8, 2025
    Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Zhengbo CUI, Hongzhao DENG, Jing LIU, Hao CHEN
  • Publication number: 20250147355
    Abstract: A display device is disposed. The display device includes a first backlight module and a display panel, and the display panel is disposed on the backlight module. The first backlight module has an opening, and the opening passes through the first backlight module. The first backlight module includes a substrate, a plurality of light emitting units, and at least one light blocking structure. The light blocking structure is disposed on the substrate and surrounds the opening. The light emitting units are disposed on the substrate, and the light emitting units are disposed on a side of the light blocking structure away from the opening.
    Type: Application
    Filed: February 9, 2023
    Publication date: May 8, 2025
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Jiedong HAN
  • Publication number: 20250151468
    Abstract: Disclosed is a display panel. The display panel includes a substrate, first interlayer disposed on the substrate, and a light-emitting element layer disposed on one side of the first interlayer away from the substrate. A plurality of first convex portions are disposed on one side of the first interlayer away from the substrate. The light-emitting element layer includes a plurality of light-emitting elements disposed on the plurality of first convex portions. At least some of the plurality of light-emitting elements are disposed on side walls of the plurality of first convex portions. A light-emitting surface of each of the plurality of light-emitting elements extends in a first direction, an included angle formed between the first direction and a second direction is an acute angle, and the second direction is a direction in which the substrate points towards the first interlayer.
    Type: Application
    Filed: November 20, 2023
    Publication date: May 8, 2025
    Applicants: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., South China University of Technology
    Inventors: Jiangbo YAO, Junbiao PENG, Changming XIANG, Rui ZHAO, Weiji ZHANG
  • Publication number: 20250151584
    Abstract: The present application provides a display module including a first display substrate and a second display substrate. The first display substrate includes a first substrate and a plurality of first light-emitting units. The plurality of first light-emitting units are disposed at intervals on the first substrate. The second display substrate is disposed on a backside of a light-emitting side of the first display substrate, and includes a second substrate and a plurality of second light-emitting units. The plurality of second light-emitting units are disposed at intervals on the second substrate, and are staggeredly disposed with the plurality of first light-emitting units, respectively. The display module has a high resolution.
    Type: Application
    Filed: November 20, 2023
    Publication date: May 8, 2025
    Applicants: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., South China University of Technology
    Inventors: Jiangbo YAO, Junbiao PENG, Changming XIANG, Rui ZHAO, Weiji ZHANG
  • Publication number: 20250147376
    Abstract: Electronic paper display devices and manufacturing methods thereof are provided. The electronic paper display device includes an upper substrate, a lower substrate, and an electrophoretic display layer. A side of the upper substrate is provided with a first electrode layer thereon. A side of the lower substrate facing the first electrode layer is provided with a second electrode layer thereon. The first electrode layer and the second electrode layer are arranged opposite to each other at a preset interval. The electrophoretic display layer is disposed between the first electrode layer and the second electrode layer, and includes a color resistance layer and a black matrix. The black matrix has openings, the color resistance layer includes a plurality of color resistance blocks arranged corresponding to the openings. Each color resistance block is provided with a micro-cavity, and the micro-cavity is filled with electronic ink containing black and white particles.
    Type: Application
    Filed: December 1, 2023
    Publication date: May 8, 2025
    Applicant: Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Ji LI, Wenliang HUANG
  • Publication number: 20250149002
    Abstract: A display method used includes: obtaining a plurality of illuminating data corresponding to the plurality of backlight units, the plurality of illuminating data are configured for the plurality of backlight units to display a frame within a predetermined time period. The predetermined time period is divided to a plurality of sub-periods. Two of the sub-periods are not equal. The illuminating data includes sub-illuminating data corresponding to the sub-periods, and the sub-illuminating data correspond to data voltages of different voltage levels. When each of the plurality of the sub-periods begins, inputting a scan signal into the scan line to allow the plurality of backlight units to receive the plurality of sub-illuminating data.
    Type: Application
    Filed: June 18, 2021
    Publication date: May 8, 2025
    Applicants: Huizhou China Star Optoelectronics Display Co., Ltd., TCL China Star Optoelectronics Technology Co., Ltd.
    Inventor: Jinfeng LIU
  • Patent number: 12293555
    Abstract: The present invention relates to a method and a device of inputting annotation of object boundary information, and more particularly, to a method and a device of inputting annotation of object boundary information such that workers or the like efficiently and accurately input object boundary information in a service such as crowding sourcing, and preliminary work is assisted by an artificial neural network-based algorithm.
    Type: Grant
    Filed: February 21, 2022
    Date of Patent: May 6, 2025
    Assignee: SELECT STAR, INC.
    Inventors: Nam Gil Kim, Barom Kang
  • Patent number: 12293734
    Abstract: A compensation method of a display panel includes controlling a first display part of a target panel to display a light load image based on a standard gamma curve, controlling a second display part of the target panel to display a heavy load image, acquiring a first brightness of a first color sub-pixels in an (N1+1)th row electrically connected to a first data line of the first display part, acquiring a second brightness of the first color sub-pixels in an (N2+1)th row of a first sub-display part of the second display part electrically connected to a second data line, and according to a difference between the first brightness and the second brightness, determining a first compensation data corresponding to the first gray scale and the second preset gray scale of at least the first color sub-pixels of the first sub-display part in the target panel.
    Type: Grant
    Filed: June 7, 2023
    Date of Patent: May 6, 2025
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Ling Xu, Qian Wang, Xinyi Kang, Kaiyong Yi, Yufeng Jin
  • Patent number: 12290164
    Abstract: An electronic limit control method of an electric toothbrush and the electric toothbrush are provided. The electric toothbrush includes a brush head a motor connected to the brush head. A rotating shaft of the motor is configured to drive the brush head to rotate within a predetermined range. The motor of the electric toothbrush is controlled to continuously output a target holding force when the electric toothbrush is in a first state. When an external force applied to the brush head is unable to overcome the target holding force of the motor on the brush head, the brush head is kept in the target position, so that the electric toothbrush is allowed to be used normally in various situations.
    Type: Grant
    Filed: September 27, 2024
    Date of Patent: May 6, 2025
    Assignee: GUANGZHOU STARS PULSE CO., LTD.
    Inventor: Yuwei Zhang
  • Patent number: 12293685
    Abstract: A splicing assembly and a splicing display screen are disclosed. A first adjustment module includes a first support block and a first support pillar. The first support block is slidably connected to a support frame along a first direction. The first support pillar passes through the first support block and a connecting plate in sequence along a second direction. The first support pillar is screwed with the first support block, and the connecting plate is hung on the first support pillar. An adjusting part passes through the connecting plate along a third direction and abuts against the first support pillar, and the adjusting part is screwed with the connecting plate.
    Type: Grant
    Filed: April 17, 2023
    Date of Patent: May 6, 2025
    Assignee: Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Ming Yan
  • Patent number: 12293708
    Abstract: A pixel driving circuit proposed in the present application includes a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a capacitor and a light-emitting device. In the pixel driving circuit, a threshold-voltage compensation is performed on the first transistor, and this can efficiently improve attenuation of electric current of the light-emitting device caused by a drift of threshold voltage of a drive transistor, thereby improving stability of a display panel.
    Type: Grant
    Filed: May 31, 2021
    Date of Patent: May 6, 2025
    Assignee: TCL China Star Optoelectronics Technology Co., Ltd.
    Inventor: Bin Liu
  • Patent number: 12293859
    Abstract: The present application provides a conductive film, a manufacturing method of the conductive film, and a display device. The present application prevents refracted light by using a first metal layer to fully cover a second metal layer of a middle layer, thereby fundamentally solving black level stripes caused by lateral etching of the second metal layer.
    Type: Grant
    Filed: January 31, 2024
    Date of Patent: May 6, 2025
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Jianlong Huang
  • Patent number: 12295106
    Abstract: A method of manufacturing circuits of a substrate of a display device is provided. The method includes aligning and attaching a mask with multiple slots to a circuit area of the substrate; printing a printing material in the slots of the mask using an inkjet printing technology, so that the printing material is attached to the circuit area; removing the mask from the substrate; and curing the printing material on the circuit area to form a plurality of the circuits.
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: May 6, 2025
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Tong Deng
  • Patent number: 12293718
    Abstract: A pixel drive circuit includes a light-emitting device electrically connected to a first power supply terminal and a second power supply terminal; a drive transistor having a gate electrically connected to a first node and a source and a drain electrically connected to second and third nodes; a first light-emitting control transistor having a source and a drain electrically connected to the first power supply terminal and the second node, and a gate configured to receive a first light-emitting control signal; and a second light-emitting control transistor having a source and a drain electrically connected to the third node and the light-emitting device, and a gate configured to receive a second light-emitting control signal. The first light-emitting control transistor is configured to transmit a first voltage signal supplied from the first power supply terminal to the second and third nodes at a node setting stage.
    Type: Grant
    Filed: November 29, 2023
    Date of Patent: May 6, 2025
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Weigao Cheng
  • Patent number: 12294009
    Abstract: A display panel and a method for manufacturing the same are provided. The display panel includes a first bonding area and a second bonding area connected to the first bonding area. The display panel further includes a substrate and a bonding wiring layer. A thickness of a part of the substrate in the second bonding area is less than a thickness of a part of the substrate in the first bonding area. The bonding wiring layer is disposed on surfaces of the parts of the substrate in the first bonding area and the second bonding area. A side surface of the bonding wiring layer away from the first bonding area and a side surface of the substrate away from the first bonding area are located on a same plane.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: May 6, 2025
    Assignees: Huizhou China Star Optoelectronics Display Co., Ltd., TCL China Star Optoelectronics Technology Co., Ltd.
    Inventors: Bin Zhao, Juncheng Xiao, Xiaodan Lin
  • Patent number: 12292641
    Abstract: A display panel and a display terminal are provided. The display panel includes a first base plate and a second base plate disposed facing each other, and a liquid crystal layer disposed between the first base plate and the second base plate. The first base plate includes a color-changing matrix, and the color-changing matrix includes an electrochromic material. The second base plate includes a guide hole, and an orthographic projection of the guide hole on the first base plate is located in the color-changing matrix.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: May 6, 2025
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Hanting Tang
  • Patent number: 12292766
    Abstract: A display module and a display device are provided. A curved display area of the display module includes a corner area and an edge area. The display module includes display panel and a supporting component. The display panel includes a display function part and a bonding part. The supporting part includes a first backplate and a second backplate. The first backplate includes a first unit disposed in the corner area. A thickness of the first unit is greater than a thickness of the second backplate.
    Type: Grant
    Filed: August 30, 2022
    Date of Patent: May 6, 2025
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Yongzhen Jia, Junqiang Pei
  • Patent number: 12295239
    Abstract: The invention provides a flexible display panel and a flexible display device. The flexible display panel includes: a substrate, an auxiliary cathode provided on the substrate, an separation layer disposed on the substrate and the auxiliary cathode and defining a first opening to expose the auxiliary cathode, a passivation layer disposed on the separation layer and extending into the first opening as an undercut structure, an auxiliary anode arranged in the first opening and connected to the auxiliary cathode, and a cathode layer arranged on the auxiliary anode with a left end and a right end respectively connected with the auxiliary anode.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: May 6, 2025
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Shijian Qin, Wanliang Zhou
  • Patent number: 12292619
    Abstract: The present application provides a zoom lens and an electrical device, the zoom lens includes: lens piece set including a first optical lens piece; a lens piece bracket including a bracket main body, where in a first optical lens piece is disposed securely on the bracket main body; a lens barrel sleeved around the lens piece bracket, wherein sliding slots are defined in the lens barrel, an included angle between an extension direction of the sliding slots and a plane in which the lens piece set is located is an acute angle or obtuse angle; a focusing ring sleeved around the lens barrel, wherein guide slots are defined in the focusing ring, and an extension direction of the guide slots is perpendicular to the plane in which the lens piece set is located.
    Type: Grant
    Filed: October 25, 2022
    Date of Patent: May 6, 2025
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventor: Fancheng Liu
  • Patent number: 12293705
    Abstract: Disclosed are a pixel compensation circuit, a drive method thereof, and a display panel. The pixel compensation circuit includes a drive transistor, a data write module, a first initialization module, a second initialization module, a storage capacitor, and a light-emitting device. The drive timing of the pixel compensation circuit includes a threshold voltage compensation stage in which a detected threshold voltage of the drive transistor is less than an actual threshold voltage of the drive transistor.
    Type: Grant
    Filed: November 15, 2023
    Date of Patent: May 6, 2025
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Yuwen Chen, Zhongzhi Shen