Patents Assigned to Display Technologies
  • Patent number: 12002420
    Abstract: Embodiments of the present disclosure are directed to a compensation circuit, a driving method and a display panel. In the compensation circuit, the driving method and the display panel, the compensation circuit with a 6T2C (6 transistors and 2 capacitors) structure is used to compensate the threshold voltage of the driving transistor in the pixel.
    Type: Grant
    Filed: October 31, 2022
    Date of Patent: June 4, 2024
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Yuwen Chen, Zhongzhi Shen
  • Patent number: 12004274
    Abstract: A data processing method of a driving circuit and a driving circuit are provided. Wherein, the data processing method of the driving circuit can include obtaining a timing parameter, performing data processing based on the timing parameter and obtaining a first processing result, decoding the first processing result according to a preset reference voltage and obtaining a second processing result, and amplifying the second processing result, and outputting an amplified second processing result.
    Type: Grant
    Filed: June 3, 2020
    Date of Patent: June 4, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Jianguo Fu, Taijiun Hwang, Pengfei Liang, Bo Yang
  • Patent number: 12004399
    Abstract: An organic light-emitting diode display panel is disclosed. By using four display panels sequentially disposed in a stack arrangement from top to bottom, light emitted in a same direction from each of the display panels, and subpixels of the four display panels not overlapping one another, a screen resolution of the organic light-emitting diode display panel can increase by three times without increasing pixel density of masks or density of array layers.
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: June 4, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Jun Chen
  • Patent number: 12002916
    Abstract: A backplane and a glass-based circuit board. The backplane includes: a base substrate and a plurality of light-emitting units, arranged in an array on the base substrate. Each of the light-emitting units includes at least one light-emitting sub-unit; the light-emitting sub-unit includes a connection line and a plurality of light-emitting diode chips connected with the connection line, and the light-emitting diode chips are located on a side of the connection line away from the base substrate. The connection line comprises a first connection portion, a second connection portion and a third connection portion; in each of the light-emitting sub-units, the third connection portion comprises a plurality of connection sub-portions, each of the connection sub-portions comprise at least one electrical contact point; the electrical contact points at adjacent ends of adjacent connection sub-portions constitute an electrical contact point pair.
    Type: Grant
    Filed: September 8, 2022
    Date of Patent: June 4, 2024
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wengang Su, Wei Hao, Haiwei Sun, Lingyun Shi, Feifei Wang, Rui Shi
  • Patent number: 12002397
    Abstract: A GOA circuit and a display panel are provided in the present application. The GOA circuit includes multi-stage cascaded GOA units. An N-th stage GOA unit includes a pull-up control module, a pull-up module, a chamfering control module, and a pull-down module. The chamfering control module is electrically connected to an N-th stage scan signal output terminal to pull down a potential of the N-th stage scan signal before the pull-down module pulling down a potential of a first node and the potential of the N-th stage scan signal, under control of a chamfering control signal and a first reference low level signal.
    Type: Grant
    Filed: December 13, 2021
    Date of Patent: June 4, 2024
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Peng Wan, Jianhong Chen
  • Patent number: 12002791
    Abstract: A light emitting device, a display panel, and a display panel manufacturing method are provided in the embodiments of the present disclosure. The light emitting device includes a first electrode, and second electrode arranged around the first electrode, and the second electrode is symmetrically disposed with respect to the first electrode. A distance from each of points on the second electrode to a center point of the first electrode is equal. When the light emitting device is transferring, any point on the second electrode abuts the corresponding electrode, thereby reducing the difficulty in a mass transfer process of the light-emitting device.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: June 4, 2024
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Kunpeng He
  • Patent number: 12004407
    Abstract: A display panel, a manufacturing method thereof, and a display device are disclosed. For the display panel, an anti-crack structure is disposed in a chamfer between a driving circuit layer and a substrate. The anti-crack structure is in contact with a packaging layer to reduce an angle from the contact plane of the anti-crack structure and the packaging layer to the plane in which a light-emitting layer is located, so that the packaging layer is smoothly disposed, the risk of the fracture of the packaging layer is lowered, and the failure of the display panel is avoided.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: June 4, 2024
    Assignees: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Junyuan Wang
  • Patent number: 12002403
    Abstract: A pixel arrangement structure and a display panel are provided by the present disclosure. The pixel arrangement structure includes at least one pixel group, and the pixel group includes a plurality of sub-pixels arranged in an array. In the pixel group, a ratio of a number of high-grayscale subpixels to a number of low-grayscale subpixels is 1:2 or 1:3. The low-grayscale subpixels include a plurality of first low-grayscale subpixels, and among adjacent N rows of the subpixels, the number of the high-grayscale subpixels equals to a number of the first low-grayscale subpixels, and N is an integral multiple of 2, an integral multiple of 3, or 1.
    Type: Grant
    Filed: April 30, 2023
    Date of Patent: June 4, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Jhenwei He
  • Publication number: 20240179995
    Abstract: A display panel and a method of manufacturing the same, and a display device are provided. The display panel includes a display panel body and a backplane arranged on a backlight side of the display panel body. The display panel body includes a display area, a bending area, and a bonding area. The bending area is located between the display area and the bonding area. The display panel includes a heat-sensitive adhesive layer disposed between the backplane and the display panel body.
    Type: Application
    Filed: June 30, 2022
    Publication date: May 30, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Xiaojing Hu
  • Publication number: 20240177646
    Abstract: The present disclosure provides a luminance adjustment method and device of a display panel. In the method, firstly, a difference between the luminance parameters of different regions of the target panel are obtained, and temperatures of different regions of the target panel are obtained according to the difference of the luminance parameters of the different regions of the target panel. Then, luminance compensation parameters of the corresponding regions are obtained according to a correlation of the luminance to the temperature and a difference of the operating temperatures of the different regions, and finally, the luminance of a corresponding region is compensated according to the luminance compensation parameters.
    Type: Application
    Filed: March 15, 2022
    Publication date: May 30, 2024
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Yedong WANG, Jia ZHANG
  • Publication number: 20240180005
    Abstract: A display panel and a display device including a functional region corresponding to a camera are provided. The display panel includes the panel main body, the polarization layer, and the backplate module. The polarization layer is disposed on the light-exiting side of the panel main body. The backplate module is disposed on the side of the panel main body away from the polarization layer. A part of the backplate module and the panel main body disposed in a stack and corresponding to the functional region have a total in-plane phase difference value, and the total in-plane phase difference value is less than 200 nanometers or greater than 7000 nanometers.
    Type: Application
    Filed: June 8, 2022
    Publication date: May 30, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Feng Xu
  • Publication number: 20240176455
    Abstract: A display panel is provided, including a touch layer including a plurality of touch electrodes; a plurality of touch wires, wherein each of the touch wires is connected to one touch electrode respectively to transmit touch signals of the touch electrodes; and a plurality of conductive wire segments, wherein each of the conductive wire segments and the touch electrodes are in parallel connection. By adding impedance of parallel connection to each of the touch electrodes, voltage drop incurred by the common electrodes and the conductive wire segments is reduced, and the stability of the common voltage signal transmitted in the display region of the display panel is improved.
    Type: Application
    Filed: May 13, 2022
    Publication date: May 30, 2024
    Applicant: Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., LTD.
    Inventor: Xiaobin HU
  • Publication number: 20240178239
    Abstract: The present application provides a display panel and a manufacturing method thereof, and a mobile terminal. The display panel includes a substrate, a film transistor layer, an oxygen supplement functional layer, and an electrode layer; the thin film transistor layer includes a gate electrode, a gate insulating layer, an active layer, and a source-drain electrode layer. Material of the active layer is metal oxide semiconductor; material of the electrode layer is metal oxide material. Wherein oxygen content on a side of the oxygen supplement functional layer close to the electrode layer is greater than oxygen content on a side of the oxygen supplement functional layer close to the active layer.
    Type: Application
    Filed: May 10, 2022
    Publication date: May 30, 2024
    Applicant: GUANGZHOU CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Bin Zhao, Hang Wang, Jun Zhao
  • Publication number: 20240179965
    Abstract: A flexible display panel, a manufacturing method thereof, and a display terminal are provided in the present application. The flexible display panel includes a plurality of island structures, a plurality of electrical connecting structures, and a first flexible adhesive layer. The first flexible adhesive layer is filled between the plurality of island structures and covers the plurality of island structures. A ratio of a difference between a second distance of adjacent two of the island structures in a stretched state and a first distance in an unstretched state to the first distance ranges from 10% to 20%.
    Type: Application
    Filed: May 30, 2022
    Publication date: May 30, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Zuojia Wang
  • Publication number: 20240177638
    Abstract: The present disclosure discloses a pixel driving circuit and a control method thereof. The pixel driving circuit includes: a signal driving module for driving a light emitting diode to emit light based on connected scanning signal lines and data signal lines; a voltage detection module connected to the signal driving module for collecting a detection voltage of the light emitting diode and comparing the detection voltage with a reference voltage to generate a control signal; and a short circuit processing module connected to the signal driving module and the voltage detection module for controlling the light emitting diode based on the control signal.
    Type: Application
    Filed: May 18, 2022
    Publication date: May 30, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Defang Meng
  • Publication number: 20240174773
    Abstract: The present disclosure provides a photocurable composition, a light condensing layer, and a display device. The photocurable composition includes an acrylic resin, a photoinitiator, and a nanoparticle composite. Raw materials for preparing the nanoparticle composite include an inorganic nanoparticle, a surface of which is provided with active hydroxyl groups, and an organic compound including at least one of a titanate coupling agent and a zirconate coupling agent.
    Type: Application
    Filed: December 30, 2022
    Publication date: May 30, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Qinfu Zhu, Xiaosa Gao
  • Publication number: 20240180003
    Abstract: The present disclosure provides a display panel, the display panel includes a substrate, a light-emitting layer, a first refractive layer, and a second refractive layer. The first refractive layer is arranged on a side of the light-emitting layer away from the substrate. The second refractive layer covers a side of the first refractive layer away from the substrate and fills a plurality of openings of the first refractive layer. The second refractive layer extends from a display area to a non-display area and covers a bending area to protect wirings in the bending area, and the second refractive layer may replace a protective glue layer in prior art, which is beneficial to saving processes.
    Type: Application
    Filed: June 29, 2022
    Publication date: May 30, 2024
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Manli LI
  • Publication number: 20240179970
    Abstract: A driving circuit and a display panel are provided. The driving circuit at least includes first fan-out lines, second fan-out lines, and data lines. The first fan-out lines are located in the display region and electrically connected to the driving chip. The second fan-out lines are located in the display region and connected to the first fan-out lines. The data lines are located in the display region and connected to the second fan-out lines. Wherein, the first fan-out lines, the second fan-out lines, and the data lines are located in different layers, and the second fan-out lines are located between the first fan-out lines and the data lines.
    Type: Application
    Filed: June 29, 2022
    Publication date: May 30, 2024
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Kun ZHOU, Shaojing WU
  • Publication number: 20240176438
    Abstract: An embodiment of the present disclosure provides a display panel, further including a plurality of signal lines; a plurality of fan-out wiring structures including a first group of wires and a second group of wires at both sides, the first group of wires including a first broken line segment and a second broken line segment in the same bending direction, and the second group of wires including a third broken line segment and a fourth broken line segment in the opposite bending direction; a plurality of chips respectively connected to one of the fan-out wiring structures. The impedances of the fan-out wires at opposite ends of the fan-out region may be matched with each other.
    Type: Application
    Filed: June 27, 2022
    Publication date: May 30, 2024
    Applicant: WoHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO.,LTD.
    Inventors: Yuanyuan XIE, Zuzhao XU
  • Publication number: 20240179990
    Abstract: The present disclosure provides a display panel and a display device. The display panel includes a pixel group arranged in an array, where the pixel group includes: a first pixel unit, a partial region of which is provided with a first sub-pixel; a second pixel unit, a partial region of which is provided with a second sub-pixel; and a third pixel unit, a partial region of which is provided with a third sub-pixel; where the first sub-pixel, the second sub-pixel, and the third sub-pixel have different colors, and any one of the first sub-pixel, the second sub-pixel, and the third sub-pixel is adjacent to other sub-pixels.
    Type: Application
    Filed: June 6, 2022
    Publication date: May 30, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Yuan Wu, Tingting Wu