Patents Assigned to Display Technologies
  • Display device and mobile terminal
    Patent number: 11963322
    Abstract: The present application provides a display device and a mobile terminal. It includes a frame, a flexible screen, a movable support mechanism, and a sensor. The flexible screen includes a fixed portion, a sliding portion, and a bent portion. The movable support mechanism includes a sliding assembly and a stretching assembly connected to each other. The sliding assembly contacts and is connected to the bent portion. The stretching assembly is fixedly connected to one end of the sliding portion away from the bent portion, so that the sliding assembly abuts against the bent portion. The sensor is arranged on one side of the sliding portion away from the fixed portion.
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: April 16, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Wen Han, Hao Tang
  • Supporting plate and foldable display device
    Patent number: 11963318
    Abstract: A supporting plate and a foldable display device are provided. The supporting plate includes at least one bending region and non-bending regions. The bending region includes two semi-bending regions bent symmetrically along a bending axis. Any of the semi-bending regions includes an internally bending region and an externally bending region. The internally bending region is located on an end away from the non-bending regions. The externally bending region is located on an end close to the non-bending regions and has a bending direction opposite to the internally bending region. The semi-bending regions include a plurality of openings spaced apart. A distribution density of the openings in the internally bending region is greater than a distribution density of the openings in the externally bending region.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: April 16, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Yafei Fu, Yapeng Cheng
  • DRIVING METHOD FOR DISPLAY AND DISPLAY
    Publication number: 20240119882
    Abstract: A driving method for a display and a display are provided. The driving method includes: obtaining a first gray scale extremum of a target image frame according to display data of the target image frame; adjusting a first power voltage according to the first gray scale extremum, to obtain a second power voltage; and driving, according to the second power voltage and the display data of the target image frame, the display for displaying. By means of the present disclosure, the second power voltage can be dynamically adjusted, thereby ensuring the display effect and reducing the energy consumption of the display panel.
    Type: Application
    Filed: December 16, 2021
    Publication date: April 11, 2024
    Applicants: Huizhou China Star Optoelectronics Display Co., Ltd., Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Xiaobing LU, Xiaolong CHEN
  • DISPLAY PANEL AND MANUFACTURING METHOD THEREOF
    Publication number: 20240122018
    Abstract: An embodiment of the present invention discloses a display panel and a manufacturing method thereof. The display panel includes a driver wiring layer, an electron transport layer, an electron injection layer, and a cathode layer. The driver wiring layer includes a cathode voltage line, and the electron transport layer is connected to the cathode voltage line. The cathode layer is connected to the electron injection layer. Patterns of the electron transport layer and the electron injection layer are the same as a pattern of the cathode layer. The display panel further includes a resistance reduction layer located between the cathode voltage line and the electron transport layer. The present invention simultaneously patterns the cathode layer, the electron injection layer, and the electron transport layer by a mask plate and forms the same patterns.
    Type: Application
    Filed: October 30, 2022
    Publication date: April 11, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Zhijun WAN, Jinchuan LI, Weiran CAO
  • MICRO LIGHT EMITTING DIODE TOUCH DISPLAY PANEL
    Publication number: 20240118757
    Abstract: A micro light emitting diode touch display panel is provided with a pixel driving circuit, a power supply voltage signal line electrically connecting the pixel driving circuit, a first contact electrode electrically connecting the power supply voltage signal line, and a micro light emitting unit bonded to connect the first contact electrode. In a touch driving phase, the first contact electrode is re-used as a touch electrode, and the power supply voltage signal line is re-used as a touch signal line, thereby reducing the production costs, and promoting the production capacity as well as ensuring the touch control and display effects.
    Type: Application
    Filed: December 22, 2021
    Publication date: April 11, 2024
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Shijuan YI, Liang SUN
  • FLEXIBLE DISPLAY PANEL AND ELECTRONIC DEVICE
    Publication number: 20240121905
    Abstract: The present application provides a flexible display panel and an electronic device. The flexible display panel includes a housing, a hinge, and a flexible display panel body. The hinge includes a fixing bracket, a supporting mechanism, and a rotating mechanism. The fixing bracket includes a first fixing bracket and a second fixing bracket. The supporting mechanism includes a first supporting portion and a second supporting portion. The rotating mechanism includes a first rotating shaft, a second rotating shaft, a first connecting member, and a second connecting member.
    Type: Application
    Filed: December 20, 2021
    Publication date: April 11, 2024
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Huan CAO
  • DISPLAY PANEL AND DISPLAY DEVICE
    Publication number: 20240122035
    Abstract: A display panel and a display device are provided. The display panel includes an array substrate and a plurality of first transparent electrodes disposed on the array substrate, and a material of the first transparent electrode is an organic transparent conductive material. The display panel and the display device in the present disclosure can overcome problems that an indium tin oxide transparent electrode in a conventional flexible display device is easily broken and is easily separated from an alignment layer, thereby effectively improving the bending resistance and the stability of a flexible display panel.
    Type: Application
    Filed: August 27, 2021
    Publication date: April 11, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Linshuang LI
  • BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY APPARATUS
    Publication number: 20240118573
    Abstract: An edge-lit backlight module (7) includes a light guide plate (71), at least one polarizer (72) and at least one light source (73). The light guide plate (71) has side faces (71a). A polarizer (72) is disposed opposite to a side face (71a) of the light guide plate (71). A light source (73) is disposed on a side of a polarizer (72) away from the light guide plate (71). The at least one polarizer (72) is configured to convert light emitted from a light source (73) disposed on a side of the polarizer away from the light guide plate to the light guide plate (71) into linearly polarized light.
    Type: Application
    Filed: March 9, 2021
    Publication date: April 11, 2024
    Applicants: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenbo DONG, Chaoyue WANG, Wei ZHANG, Chao LI
  • DISPLAY PANEL AND DISPLAY TERMINAL
    Publication number: 20240122000
    Abstract: Embodiments of the present application provide a display panel and a display terminal. The display panel includes: at least one display component, a driving substrate, and a conductive member. The at least one display component includes at least one at least one via group. Each of the at least one via group includes a groove and a plurality of sub vias. The sub vias are connected between the at least one first terminal and the groove. The conductive member is at least filled in the groove and the sub vias. In the present embodiments, by disposing the sub vias, a process window in a laser drilling process can be increased.
    Type: Application
    Filed: December 22, 2021
    Publication date: April 11, 2024
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Tiyao MA
  • Gate driver circuit and display panel
    Patent number: 11955084
    Abstract: A driving circuit and a display panel are provided. The gate driver circuit includes a plurality of gate driving units which are cascaded. An Nth stage gate driving unit includes a pull-down control module, a pull-down module, a pull-up control module, a first pull-up voltage stabilizing module, a pull-up module, a second pull-up voltage stabilizing module, and a pull-down voltage stabilizing module. Stability of the gate driver circuit can be improved by increasing stability of a voltage level at a fourth node via the first pull-up voltage stabilizing module and the second pull-up voltage stabilizing module.
    Type: Grant
    Filed: July 13, 2021
    Date of Patent: April 9, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Xuanyun Wang, Chao Dai, Jianlong Wu, Ruiting He
  • Flexible display module
    Patent number: 11957030
    Abstract: A flexible display module is provided. The flexible display module includes a bending area and a plane area adjacent to the bending area, and the flexible display module includes a flexible display panel; a protection cover plate; and a transparent adhesive layer, wherein the transparent adhesive layer bonds the flexible display panel and the protection cover plate, and storage modulus of at least a part of the transparent adhesive layer corresponding to the bending area is less than storage modulus of at least a part of the transparent adhesive layer corresponding to the plane area.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: April 9, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Chihshun Tang
  • Pixel circuit, driving method thereof, display substrate and display apparatus
    Patent number: 11955082
    Abstract: A pixel circuit is disposed in the display substrate, the display substrate includes a display stage and a non-display stage, the pixel circuit is configured to drive the light emitting element to emit light in the display stage, and includes a first control sub-circuit, a second control sub-circuit, a third control sub-circuit, a fourth control sub-circuit, a light emitting control sub-circuit and a driving sub-circuit; the third control sub-circuit is electrically connected with a third reset signal terminal, a control signal terminal and a third node respectively, and is configured to provide a first signal to the third node in the display stage and a second signal to the third node or acquire a signal of the third node in the non-display stage under control of the third reset signal terminal.
    Type: Grant
    Filed: May 30, 2022
    Date of Patent: April 9, 2024
    Assignees: Chongqing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Rui Wang, Ming Hu, Haijun Qiu, Juntao Chen
  • Display substrate, liquid crystal display panel, and liquid crystal display device
    Patent number: 11953774
    Abstract: A display substrate includes: a base substrate (100); a plurality of sub-pixels (R, G, B) located on the base substrate (100), every two rows of sub-pixels (R, G, B) constituting a pixel group; a plurality of first gate lines (Gate1) located at first row gaps between the pixel groups, two first gate lines (Gate1) being arranged at each first row gap; and a plurality of photosensors (101), the orthographic projection of each row of photosensors (101) on the base substrate (100) completely covering a second row gap in the pixel group and partially overlapping with the orthographic projections of the sub-pixels (R, G, B), thereby avoiding the bright and dark difference between adjacent rows and ensuring the aperture ratio.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: April 9, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xinlan Yang, Wenkai Mu, Yi Liu, Jun Fan, Bo Feng, Yang Wang, Zhan Wei, Tengfei Ding, Shijun Wang, Chengfu Xu
  • OLED display panel and fabrication method thereof
    Patent number: 11957004
    Abstract: An OLED display panel and fabrication method thereof are provided by the present application. The OLED display panel includes a substrate, a transparent conductive layer, a buffer layer, a metal oxide semiconductor layer, a gate insulating layer, a gate layer, an interlayer insulating layer, a source-drain layer, and an OLED device layer that are stacked. A light emitting direction of the OLED device layer faces the substrate. In the present application, a conductive electrode and a first electrode plate of a transparent capacitor are both patterned and formed with the transparent conductive layer, and only one process is required. Therefore, a mask is saved and fabrication cost is reduced.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: April 9, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Xingyu Zhou
  • Display panel
    Patent number: 11953793
    Abstract: A display panel and a display module are provided. The display panel includes a first base, a black matrix layer, and a color resist layer, wherein the black matrix layer includes a plurality of openings, the color resist layer is disposed above the first base and filled in the plurality of openings. A light reflectivity of a side of the black matrix layer away from the first base is greater than a light reflectivity of a side of the black matrix layer close to the first base.
    Type: Grant
    Filed: February 28, 2023
    Date of Patent: April 9, 2024
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Yanfen Li, Lixuan Chen, Xingwu Chen
  • Shift register, scanning signal line driving circuit including same, and display device including same
    Patent number: 11955097
    Abstract: A shift register includes stages each constituted by a unit circuit provided with a thin-film transistor (separation transistor) that separates a control node into an output-side first control node and an input-side second control node and a capacitor whose first end is connected to the second control node. The thin-film transistor (separation transistor) has a control terminal that is supplied with a high-level DC power supply voltage. Typically, the channel width of a thin-film transistor (first output control transistor) that controls output from a unit circuit is ten or more times greater than the channel width of the thin-film transistor (separation transistor).
    Type: Grant
    Filed: December 5, 2022
    Date of Patent: April 9, 2024
    Assignee: Sharp Display Technology Corporation
    Inventors: Jun Nishimura, Yoshihito Hara, Yohei Takeuchi, Kengo Hara, Tohru Daitoh
  • Display device
    Patent number: 11955040
    Abstract: A display device is disclosed. The display device includes an array substrate and at least two driving units. The array substrate includes a peripheral region and a display region, the array substrate further includes a peripheral grounding line and a test line, wherein the peripheral grounding line is located in the peripheral region, and the test line is located in the peripheral region. The at least two driving units are located on at least one side of the array substrate, the driving unit includes at least two grounding pins, a grounding pin of at least one of the driving units is connected to the peripheral grounding line, and each of at least one grounding pin of one of two adjacent driving units is electrically connected to a corresponding grounding pin of the other adjacent driving unit.
    Type: Grant
    Filed: April 19, 2023
    Date of Patent: April 9, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Bingqing Yang, Wenkai Mu, Haoliang Ji, Bo Feng, Xiaoxiao Chen, Tianxin Zhao, Ji Dong, Zhiying Bao, Wenjun Xiao, Yang Wang, Shijun Wang, Hao Xu
  • Pixel driving circuits and display devices
    Patent number: 11955061
    Abstract: Provided is a pixel driving circuit configured to provide a signal to a to-be-driven element. The pixel driving circuit includes: a current control sub-circuit, configured to transmit a current signal; a time length control sub-circuit, configured to transmit a time signal; and an output sub-circuit, electrically connected with the time length control sub-circuit and the current control sub-circuit, respectively; where the time length control sub-circuit is further configured to control the output sub-circuit to be turned on or off based on the time signal; the output sub-circuit is configured to, when turned on, control a current applied to the to-be-driven element based on the current signal, where duration of two adjacent turn-ons of the output sub-circuit is same and duration of two adjacent turn-offs of the output sub-circuit is same.
    Type: Grant
    Filed: March 3, 2021
    Date of Patent: April 9, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Ning Cong, Xiaochuan Chen, Minghua Xuan, Can Zhang, Ming Yang, Lijun Yuan, Angran Zhang
  • Display panel and display device
    Patent number: 11955065
    Abstract: A display panel and a display device are provided. The display panel includes a pixel circuit including a driving transistor and a preset module, a light-emitting element and a gating module. A first terminal of the preset module is connected to the driving transistor, and a second terminal of the preset module is connected to a preset signal terminal or the driving transistor, a control terminal of the preset module is connected to a control signal line, a control terminal of the gating module is connected to a gating signal line configured for receiving a gating signal, the gating module is connected between the control terminal of the preset module and the control signal line, or between the first terminal of the preset module and the driving transistor, or between the second terminal of the preset module and the preset signal terminal or the driving transistor.
    Type: Grant
    Filed: December 28, 2022
    Date of Patent: April 9, 2024
    Assignee: Xiamen Tianma Display Technology Co., Ltd.
    Inventor: Yong Yuan
  • Display device and manufacturing method thereof
    Patent number: 11957021
    Abstract: The present invention discloses a display device and a manufacturing method thereof having a light emission backplate, color conversion layer and a color film layer. The color conversion layer includes a red light conversion unit, a green light conversion unit, and an opening unit. The red light conversion unit and/or green light conversion unit includes calcium titanate light emitting material and scattering particles stacked in the calcium titanate light emitting material. In a vertical direction pointing from a surface of the color conversion layer near the light emission backplate to a surface away from the light emission backplate, a refractive index of the scattering particles gradually increases.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: April 9, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Yongwei Wu