Patents Assigned to Display Technologies
  • Patent number: 12041839
    Abstract: A display panel, a manufacturing method thereof and a display device are provided. A thin film transistor layer disposed on a substrate includes a first metal trace at least disposed in a wire replacement region. An encapsulation layer includes an inorganic encapsulation sub-layer, which is disposed on one side of the thin film transistor layer away from the substrate and stacked with an inorganic spacer layer. A touch metal layer includes a touch trace, which is at least disposed in the wire replacement region and electrically connected to the first metal trace. Both the inorganic encapsulation sub-layer and the inorganic spacer layer are not overlapped with the wire replacement region.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: July 16, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Shengrong Yu, Liang Ma
  • Patent number: 12039907
    Abstract: A gate driving circuit is provided, including N-stages of cascaded shift registers divided into at least one group of K-stages in which a clock signal terminal of a k-th stage of shift register is connected to receive a k-th clock signal, where 1?k?K?N; and an input signal terminal of a n-th stage is connected to an output signal terminal of a (n?i)-th stage, and reset signal terminals of the n-th and (n+1)-th stages are connected to an output signal terminal of a (n+j)-th stage, where 1<n<N, (K?2)/2?i?K/2, and K/2<j?K?2. K=12, the input signal terminal of the n-th stage is connected to an output signal terminal of a (n?6)-th stage, and the reset signal terminals of the n-th stage and the (n+1)-th stage are connected to an output signal terminal of a (n+8)-th stage or a (n+10) stage.
    Type: Grant
    Filed: August 29, 2023
    Date of Patent: July 16, 2024
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qiujie Su, Zhihua Sun, Yingmeng Miao, Yinlong Zhang, Feng Qu, Seungmin Lee, Yanping Liao, Xibin Shao
  • Patent number: 12041718
    Abstract: A stretchable display module is disclosed. The stretchable display module includes a plurality of islands and a plurality of bridges. Each of the bridges includes a first connection part, a second connection part, and a plurality of bending parts, the first connection part is connected to a first side of one of the islands, and the second connection part is connected to a second side of another adjacent island. The first side includes a first endpoint and a second endpoint, and the second side includes a third endpoint on a same side as the first endpoint and a fourth endpoint on a same side as the second endpoint. The bending parts do not protrude from a connecting line between the first endpoint and the third endpoint.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: July 16, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Wenqiang Wang
  • Patent number: 12038643
    Abstract: A color filter substrate includes a base substrate, a black matrix layer and a color filter layer. The color filter layer includes a plurality of color photoresist units arranged in an array, the plurality of color photoresist units being formed with a plurality of color photoresist rows, a plurality of first color photoresist columns, a plurality of second color photoresist columns and a plurality of third color photoresist columns, and wherein the color filter layer further includes at least one filling part located between the color photoresist rows and has a thickness equal to that of at least one of the plurality of color photoresist units; and the black matrix layer is disposed between the color filter layer and the base substrate, and includes a plurality of light transmitting windows.
    Type: Grant
    Filed: May 9, 2023
    Date of Patent: July 16, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xiaona Liu, Xibin Shao
  • Publication number: 20240233640
    Abstract: Provided are a display panel, a driving method of a display panel, and a display device. The display panel includes a first display region and a second display region. A working process of the display panel includes a first mode. In the first mode, a data refresh rate of the first display region is F11, a data refresh rate of the second display region is F21, and F11?F21. In the first mode, a driving parameter of the first display region is different from a driving parameter of the second display region, the driving parameter of the first display region is used for controlling brightness of the first display region, and the driving parameter of the second display region is used for controlling brightness of the second display region.
    Type: Application
    Filed: December 29, 2023
    Publication date: July 11, 2024
    Applicant: Xiamen Tianma Display Technology Co., Ltd.
    Inventors: Weixing LIU, Ying SUN
  • Publication number: 20240234435
    Abstract: An array substrate, a display panel and a display apparatus are disclosed. The array substrate includes: a base substrate; an array of thin film transistors disposed on a side of the base substrate, wherein the array of thin film transistors includes a semiconductor layer; and a common metal layer disposed on a side of the array of thin film transistors away from the base substrate. An orthographic projection of the common metal layer on the base substrate does not overlap with an orthographic projection of the semiconductor layer on the base substrate, the common metal layer includes a plurality of metal wires arranged in an intersecting manner, wherein at least one of the plurality of metal wires is provided with a gap, and the main spacing area is disposed at or close to a center of an orthographic projection of the gap on the base substrate.
    Type: Application
    Filed: May 23, 2022
    Publication date: July 11, 2024
    Applicants: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jianjun Wang, Xiaona Liu, Bingyue Wang
  • Publication number: 20240236291
    Abstract: The present disclosure provides a method and apparatus for displaying a multi-viewpoint video, a displaying device, a medium and a program, which relates to the technical field of displaying. The method includes: acquiring different viewpoint-position combinations of at least two users located within a visible area of a screen; from a predetermined multi-viewpoint-image set, screening out multi-viewpoint images corresponding to each of viewpoint-position combinations; regarding visible viewpoint images of at least the corresponding viewpoint-position combinations among the multi-viewpoint images as target viewpoint images; combining the target viewpoint images of at least two viewpoint-position combinations as video frames, to obtain the multi-viewpoint video; and displaying the multi-viewpoint video by using the screen.
    Type: Application
    Filed: December 29, 2021
    Publication date: July 11, 2024
    Applicants: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhifu Li, Jinghua Miao, Mingyang Yan, Wenyu Li
  • Publication number: 20240237410
    Abstract: An organic light emitting diode (OLED) display panel includes a substrate, a thin film transistor (TFT) layer, a planarization layer, and a pixel definition layer which are arranged in sequence. The planarization layer is provided with first via holes, and the pixel definition layer is provided with second via holes and a through hole. Each first via holes communicates with one of the second via holes. The OLED display panel further includes a light-emitting device layer. The light-emitting device layer includes an anode, a light-emitting layer, and a cathode sequentially arranged on one side of the planarization layer. The light-emitting layer is arranged in the through hole. The cathode covers the pixel definition layer, the first via hole, the second via hole, and the light-emitting layer.
    Type: Application
    Filed: April 15, 2022
    Publication date: July 11, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Shijian Qin, Xiaotong Chen
  • Publication number: 20240228879
    Abstract: A liquid crystal composition includes at least one compound represented by formula I and at least one compound represented by formula II. The liquid crystal composition has a relatively large absolute value of dielectric anisotropy, a relatively large K value, a relatively long low-temperature storage time period, a relatively low polymer layer surface roughness, a relatively small pre-tilt angle, a relatively fast speed for forming pre-tilt angle, a relatively low polymer residue, a relatively high VHR and a relatively good pre-tilt angle stability, while maintaining appropriate clearing points, optical anisotropy and rotational viscosity. A liquid crystal display device containing the liquid crystal composition has a relatively wide temperature usage range, relatively good contrast, and relatively good low-temperature mutual solubility.
    Type: Application
    Filed: April 8, 2022
    Publication date: July 11, 2024
    Applicant: Jiangsu Hecheng Display Technology Co., Ltd.
    Inventors: Tengyun ZHAO, Yafei YANG, Wenquan DING, Di HE, Panpan WANG, Shuang XU
  • Publication number: 20240233636
    Abstract: The present application discloses a display panel and a display device. The display panel comprises pixel circuits, collecting modules and feedback modules, and the pixel circuit comprises a driving module, a data writing module and a light-emitting module; wherein the data writing module is configured to transmit a voltage output by a data signal terminal to the driving module; the driving module and the light-emitting module are electrically connected between a first power supply terminal and a second power supply terminal, and the driving module is configured to generate a driving current according to the voltage from the data signal terminal and a voltage from the first power supply terminal to drive the light-emitting module to emit light; the collecting module is configured to collect at least one of a voltage actually received by the driving module and a voltage actually received by the driving module.
    Type: Application
    Filed: January 12, 2023
    Publication date: July 11, 2024
    Applicant: Xiamen Tianma Display Technology Co., Ltd.
    Inventors: Qingyue ZHANG, Xiaoyong LIU, Zhida ZHU, Jingxiong ZHOU, Zhiqiang XIA
  • Publication number: 20240233647
    Abstract: A pixel driving circuit, a display panel and a driving method of the pixel driving circuit are provided by the present disclosure. The pixel driving circuit includes a driving transistor, a reset module, a writing module, a first control module, and a light emitting device. The pixel driving circuit with the 5T2C structure can compensate the threshold voltage drift of the driving transistor, improve the luminous uniformity of the light emitting device, and further improve the image quality.
    Type: Application
    Filed: December 28, 2022
    Publication date: July 11, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Yi WU, Shijian BAO
  • Publication number: 20240231165
    Abstract: A liquid crystal display panel and a driving method thereof are provided. In the liquid crystal display panel provided by embodiments of the present application, a first pixel electrode is configured for an image display in a main pixel region, and a second pixel electrode is configured for driving impurity ions in the liquid crystal layer to gather on a position of the first substrate and/or the second substrate corresponding to an auxiliary pixel region. The liquid crystal display panel is not affected by a bias electric field generated by an accumulation of the impurity ions which affects the image display, and has a display effect that is relatively better.
    Type: Application
    Filed: April 20, 2022
    Publication date: July 11, 2024
    Applicant: Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., LTD.
    Inventor: Guoren LUO
  • Publication number: 20240231160
    Abstract: An array substrate, a manufacturing method thereof, and a display panel are provided. The array substrate includes a substrate layer, an insulating layer, a plurality of first electrodes, and a plurality of second electrodes. The plurality of first electrodes are disposed in the grooves, the plurality of second electrodes are disposed on one side surface of the insulating layer away from the substrate layer and outside the grooves, and the plurality of second electrodes and the plurality of first electrodes are insulated from each other.
    Type: Application
    Filed: May 13, 2022
    Publication date: July 11, 2024
    Applicant: Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., LTD.
    Inventor: Jing YU
  • Publication number: 20240233593
    Abstract: The present application provides a gate driving circuit, a driving method, and a display panel. The gate driving circuit includes a pull-up control module, a pull-up module, a pull-down control module, a pull-down module, and a voltage stabilizing module. The pull-down node and the pull-up control module are connected to the voltage stabilizing module, which is not only reduce a leakage current of the pull-down node in the high potential state to stabilize the high potential of the pull-down node, but also maintain the level of the pull-down node in the low potential state to stabilize the low potential of the pull-down node.
    Type: Application
    Filed: December 30, 2022
    Publication date: July 11, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Zhenyang Qiao, Liuqi Zhang, Baixiang Han
  • Publication number: 20240233641
    Abstract: Provided are a pixel circuit, a driver circuit, a display panel, and a display apparatus. The pixel circuit includes a first-type switch transistor and a second-type switch transistor. A gate of the first-type switch transistor receives a first-type control signal. The first-type control signal includes a first high level and a first low level. A gate of the second-type switch transistor receives a second-type control signal. The second-type control signal includes a second high level and a second low level. The first high level is not equal to the second high level, and/or the first low level is not equal to the second low level, thereby implementing the accurate control of transistors and improving circuit stability.
    Type: Application
    Filed: December 29, 2023
    Publication date: July 11, 2024
    Applicant: Tianma Advanced Display Technology Institute (Xiamen) Co., Ltd.
    Inventor: Yingteng ZHAI
  • Publication number: 20240228514
    Abstract: Embodiments of the present application disclose a boron-containing organic compound and applications thereof. The boron-containing organic compound is shown in the general formula (I): The hole-transporting group of the pentyl group is beneficial to improve the hole-transporting performance of the compound on the one hand, and on the other hand, it can enhance the resonance performance of the molecule, so that when the boron-containing organic compound is applied to an organic light-emitting device, it can effectively improve its light extraction efficiency. Meanwhile, the cyclopentyl group can effectively increase the distance between molecules, and can inhibit the exciton quenching caused by the accumulation between molecules. When this boron-containing organic compound is applied to blue light materials, it can effectively improve the stability and life of the device.
    Type: Application
    Filed: December 15, 2022
    Publication date: July 11, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Ruifeng HE, Canjie WU, Yan LI, Jingyao SONG
  • Publication number: 20240237431
    Abstract: The present application discloses an OLED display panel and a manufacturing method thereof. The OLED display panel includes: a base layer, an active layer, a gate insulating layer, a first metal layer, and a second metal layer, wherein the active layer includes a channel portion, a source contact portion, a first electrode, and an anode; the second metal layer is arranged above the first metal layer and connected to the source contact portion; the insulating layer, the first metal layer, and the second metal layer are stacked, and an opening is defined in the insulating layer at the position corresponding to the anode.
    Type: Application
    Filed: April 15, 2022
    Publication date: July 11, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Shuai Zheng, Zhaosong Liu
  • Publication number: 20240233670
    Abstract: The disclosure relates to a method of driving a display and the display, wherein the driving method includes: determining a grayscale extreme value corresponding to a polarity of display data of a target frame image according to the polarity; adjusting a voltage value of a first power supply voltage of the display according to the grayscale extreme value to obtain a voltage value of a second power supply voltage; and driving the display for displaying according to the voltage value of the second power supply voltage and the display data of the target frame image.
    Type: Application
    Filed: January 20, 2022
    Publication date: July 11, 2024
    Applicants: Huizhou China Star Optoelectronics Display Co., Ltd., Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Xiaobing LU, Xiaolong CHEN
  • Publication number: 20240234428
    Abstract: An array substrate, a manufacturing method of the array substrate, and a display panel are provided. The array substrate includes a metal light-shielding layer, a buffer layer an active layer, an interlayer insulating layer, and a source-drain electrode layer, a plurality of first via holes are disposed in the interlayer insulating layer, the active layer includes a metal oxide body layer and an etching barrier layer disposed on a surface of the metal oxide body layer, the etching barrier layer includes a plurality of first etching barrier sections corresponding to the first via holes, and the source-drain electrode layer is electrically connected to the metal oxide body layer through the first etching barrier sections.
    Type: Application
    Filed: December 27, 2022
    Publication date: July 11, 2024
    Applicant: Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Mingjiue YU, Zhixiong JIANG, Lanlan LI
  • Patent number: 12032416
    Abstract: The present application provides foldable hinge and a foldable display device. The foldable hinge includes a first support plate, wherein the first support plate is provided with at least two opposite arc-shaped grooves; two second support plates located on opposite sides of the first support plate; and at least two rotating mechanisms including a fixed plate fixed on one of the second support plates; and an arc-shaped arm connected to the fixed plate, wherein the arc-shaped arm is at least partially received and slided in the arc-shaped groove to drive the corresponding second support plate being unfolded or folded relative to the first support plate.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: July 9, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Zikang Feng