Patents Assigned to Display Technologies
  • Patent number: 12175948
    Abstract: A data driving circuit and a display device are provided in the present application. In the present application, a comparison module of a charge sharing unit module is connected to a latch module for comparing a digital video data stored in a corresponding pair of data driving units, a switching transistor is connected output terminals of the corresponding pair of the data driving units, an output terminal of the comparison module is connected to an control terminal of the switching transistor for turning on the switching transistor while a grayscale value of the digital video data being greater than a default grayscale value, so that the output terminals of the corresponding pair of the data driving units are connected for charge sharing.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: December 24, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Fangyun Liu
  • Patent number: 12175949
    Abstract: A color coordinate calibration method, system, a processing device and a computer storage medium are provided. The method includes: displaying a test image on a display screen, testing the chromaticity of the display screen, and obtaining test color coordinates of a plurality of primary color lights; Detecting whether the test color coordinates of the plurality of primary color lights are within the standard color coordinate ranges of the plurality of primary color lights; when the test color coordinates of one or more primary color lights are not within the standard color coordinate ranges of the corresponding primary color lights, determining target color coordinates and target white balance color temperatures of a plurality of primary color lights, and adjusting the test color coordinates of one or more primary color lights to be within standard color coordinate ranges of the corresponding primary color lights.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: December 24, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jianting Wang, Xibin Shao, Changjia Fu
  • Patent number: 12174411
    Abstract: The present application provides a display panel and a display device. The display panel includes a frame. The frame includes a light-facing portion and a backlight portion, wherein the backlight portion faces a light-shielding region and is provided as a light to guide the lights emitted from the side light source toward the frame to the light-shielding region. The backlight portion of the frame is provided as a light guide to guide the lights to the light-shielding region to improve the brightness of the light-shielding region on the display screen, so that the overall brightness of the display screen is more uniform and the display effect is improved.
    Type: Grant
    Filed: June 9, 2022
    Date of Patent: December 24, 2024
    Assignee: GUANGZHOU CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Jiaxiang Lin
  • Patent number: 12175916
    Abstract: A display device has a gate drive circuit that performs scanning to sequentially supply a gate signal, and a source drive circuit that inverts the polarity of the voltage applied to the source line in each vertical scanning period. The gate drive circuit starts scanning from a first gate line among the plurality of gate lines when scanning the gate lines in a preceding period of two consecutive vertical scanning periods, and starts scanning from a second gate line different from the first gate line when scanning the gate lines in a period following the preceding period of two vertical scanning periods.
    Type: Grant
    Filed: October 19, 2023
    Date of Patent: December 24, 2024
    Assignee: Sharp Display Technology Corporation
    Inventor: Osamu Sasaki
  • Patent number: 12175046
    Abstract: A display panel is provided. The display panel includes: a touch electrode layer including a plurality of touch electrodes, each of the touch electrodes includes a plurality of first grid units; and a touch electrode lead layer including a plurality of touch electrode leads, each of the touch electrode leads includes a plurality of second grid units, and the second grid units are arranged in one-to-one correspondence with the first grid units; wherein ratios of an overlap area between each of the second grid units and a corresponding one of the first grid units to an area of the corresponding first grid unit and to an area of the second grid unit are both less than 1.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: December 24, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Simin Zhu
  • Patent number: 12174487
    Abstract: A lighting device includes light sources, a board having a mount surface on which the light sources are arranged, and a reflection member disposed on the mount surface of the board and having a rectangular plan view shape. The reflection member includes insertion holes in each of which at least one of the light sources is disposed and wall portions defining a surface area of the reflection member into reflection areas in a grid. Some of the wall portions surround at least one of the insertion holes. The reflection areas include a first reflection area at a corner portion of the reflection member. The wall portions include one wall portion that is included in the first reflection area and the one wall portion includes a passing portion through which light from one of the light sources that is adjacent to the reflection area via the one wall portion passes.
    Type: Grant
    Filed: February 26, 2024
    Date of Patent: December 24, 2024
    Assignee: Sharp Display Technology Corporation
    Inventors: Hirotoshi Yasunaga, Hisashi Watanabe
  • Patent number: 12175032
    Abstract: Provided are a display panel and a display device. The display panel includes a first display region and a second display region. The second display region also serves as the photosensor region. The second display region, including a plurality of light-proof regions and light-transmissive regions, further includes a touch function layer which itself includes multiple touch electrodes. Within the second display region, the touch electrodes and the light-proof regions overlap at least partially, and the touch electrodes and light-transmissive regions do not overlap at least partially.
    Type: Grant
    Filed: January 31, 2023
    Date of Patent: December 24, 2024
    Assignee: Xiamen Tianma Display Technology Co., Ltd.
    Inventor: Hongshuai Ma
  • Patent number: 12174386
    Abstract: A display device includes a display panel, a linearly polarizing plate, and a first polarized light-selective reflector disposed sequentially toward a viewer; a first phase difference plate and a first lens disposed closer to the viewer relative to the first polarized light-selective reflector and facing each other; a semi-transparent mirror disposed closer to the viewer relative to the first phase difference plate and the first lens; a second lens and a second phase difference plate disposed closer to the viewer relative to the semi-transparent mirror and facing each other; and a second polarized light-selective reflector disposed closer to the viewer relative to the second lens and the second phase difference plate. The first lens and the second lens have shapes asymmetric about the semi-transparent mirror as a plane of symmetry in a cross-sectional view in a direction from the display panel toward the second polarized light-selective reflector.
    Type: Grant
    Filed: November 27, 2023
    Date of Patent: December 24, 2024
    Assignee: SHARP DISPLAY TECHNOLOGY CORPORATION
    Inventor: Naru Usukura
  • Patent number: 12175788
    Abstract: The embodiment of the present application discloses a display device, including a display panel and an ultrasonic fingerprint sensor. The display panel includes a substrate and a thin film transistor arranged on the substrate, and the substrate is provided with a via hole; the ultrasonic fingerprint sensor is fabricated on a side of the substrate away from the thin film transistor to reduce the thickness of the display device.
    Type: Grant
    Filed: December 13, 2021
    Date of Patent: December 24, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Shijuan Yi, Liang Sun, Mian Zeng, Pengfei Jiang, Likun Cheng
  • Patent number: 12178087
    Abstract: An organic light-emitting diode (OLED) display panel and a display device are provided. The OLED display panel includes a substrate, a thin-film transistor device layer, a light-emitting device, a passivation layer, a planarization layer, a level-raised layer, a protruding platform, an auxiliary electrode, and an undercut channel. The protruding platform is disposed directly above the level-raised layer. The auxiliary electrode includes a contact portion and a step portion, and the step portion is located at a vertical level higher than a vertical level of the contact portion. An orthographic projection of the undercut channel on the substrate and an orthographic projection of the level-raised layer on the substrate are spaced apart from each other.
    Type: Grant
    Filed: December 21, 2021
    Date of Patent: December 24, 2024
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Kaikai Li, Jia Tang
  • Patent number: 12174469
    Abstract: Provided is a display device including a backlight; a first liquid crystal panel; a display panel; and a second liquid crystal panel. The first liquid crystal panel includes a first substrate, a first liquid crystal layer containing first liquid crystal molecules, and a second substrate. The second liquid crystal panel includes a third substrate, a second liquid crystal layer containing second liquid crystal molecules, and a fourth substrate. The display device satisfies the following formula: |?3??1|?50°, wherein ?1 represents an azimuthal angle of a director of the first liquid crystal molecules near the first substrate with no voltage applied to the first liquid crystal layer, and 43 represents an azimuthal angle of a director of the second liquid crystal molecules near the third substrate with no voltage applied to the second liquid crystal layer.
    Type: Grant
    Filed: March 17, 2023
    Date of Patent: December 24, 2024
    Assignee: Sharp Display Technology Corporation
    Inventors: Koji Murata, Hiroshi Tsuchiya, Atsuko Kanashima, Takashi Satoh, Shinji Shimada
  • Patent number: 12175048
    Abstract: The present application discloses a self-capacitance touch panel and a touch display panel. One or more of redundant electrodes are connected in parallel with each of signal transmission lines of the self-capacitance touch panel to reduce trace impedance of the signal transmission lines (especially for the signal transmission lines connected to self-capacitance touch electrodes at a far end). Problems of inability to drive touches, large touch power consumption, and marked incongruities in touch performance of different regions caused by excessive trace impedance are relieved.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: December 24, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Ding Ding, Liang Fang
  • Patent number: 12175049
    Abstract: Provided is a touch panel and a mobile terminal. A touch layer of the touch panel comprises a touch electrode group located in a display area; a touch lead group located at least in a non-display area and electrically connected to the touch electrode group; and an extended electrode group overlapping at least a portion of the touch lead group located in the non-display area. The touch electrode group and the extended electrode group are electrically connected to a target function chip located in the non-display area to achieve a target function.
    Type: Grant
    Filed: November 8, 2021
    Date of Patent: December 24, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Houfu Gong
  • Patent number: 12176332
    Abstract: A stretchable display panel and a method of producing the stretchable display panel are provided. The stretchable display panel has a driver integrated circuit occupying a small space in the present disclosure to reduce a required space for a circuit configured to drive a pixel unit to emit light, thereby benefiting the provision of spaces for arranging the pixel unit, so that the resolution of the stretchable display panel is increased.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: December 24, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Li Zhong
  • Patent number: 12177553
    Abstract: The present disclosure provides a display device, including a display panel and a camera, the camera is attached to a side of the display panel by an optical glue, wherein the camera includes a housing, a lens, and a spacer. The spacer is fixed on a side of the housing facing the display panel and completely covers a light incident surface of the lens, wherein a first surface of the spacer is attached to the side of the display panel by the optical glue, and the first surface of the spacer is a flat surface, which prevents a problem of reduced optical effect of the camera.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: December 24, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Junpu Tang
  • Patent number: 12174474
    Abstract: The present disclosure provides a display module and a medical spliced display system. The display module includes: a display panel; a back plate including a bottom wall and a side frame connected to each other to define an accommodating space; and a frame including a retaining wall and a supporting platform and an insert on the retaining wall; at least a portion of the retaining wall surrounds the side frame; the supporting platform extends toward the inside of the accommodating space for supporting the display panel; the insert is on a side of the side frame facing the accommodating space, to embed the side frame between the retaining wall and the insert.
    Type: Grant
    Filed: May 11, 2022
    Date of Patent: December 24, 2024
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xin Gai, Bing Wang, Xingliang Li, Yawei Chen, Guojian Qu, Wengian Luo, Jingrui Ren, Tianyi Feng, Weibiao Geng, Qian Cheng, Hetao Wang, Tianyang Han
  • Patent number: 12178092
    Abstract: The present application provides a display panel. The display panel includes a plurality of data lines, a plurality of constant voltage traces, and a plurality of drive traces located in a display area. The display panel further includes a first metal layer, a second metal layer, and a shield layer between the first metal layer and the second metal layer, wherein the first metal layer includes a gate trace, the shield layer includes a plurality of shield traces, and the second metal layer includes the drive trace. An overlap region of the drive trace and the gate trace on the shield layer overlaps with the shield trace.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: December 24, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Yanyang Li, Shaojing Wu, Xiaoguang Zhu
  • Patent number: 12174485
    Abstract: A display module and a display apparatus are provided. In the display module, a backlight assembly includes a light source assembly and an optical film layer. Light emitted by the light source assembly enters a display panel through the optical film layer; and through grooves are on at least one long side and at least one short side of the optical film layer and penetrate through the optical film layer in a direction perpendicular to a plane of a light outgoing surface of the display panel. The display module further includes an intermediate frame including an intermediate frame body surrounding the backlight assembly and a first extension between the display panel and the optical film layer; and second protrusions on a surface opposite to the through grooves and correspondingly in the through grooves.
    Type: Grant
    Filed: April 20, 2022
    Date of Patent: December 24, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Huiyan Li, Shixin Geng, Yu Zhang, Miao Liu, Fuxue Liang, Xuefei Qin, Lulu Wang, Zheng Wang, Tianyang Han
  • Patent number: 12174502
    Abstract: A touch panel includes a first portion extending in a first direction within a pixel region, a source driving circuit, an inspection circuit, an input terminal region, and an inspection line extending in the first direction within a frame region. The inspection line is formed in a layer different from a layer where the first portion is formed. The inspection line is connected to the first portion and a second portion via a contact hole between a touch-detecting electrode and the source driving circuit. The second portion crosses the source driving circuit and the inspection circuit in a direction intersecting the first direction.
    Type: Grant
    Filed: January 23, 2024
    Date of Patent: December 24, 2024
    Assignee: SHARP DISPLAY TECHNOLOGY CORPORATION
    Inventors: Shige Furuta, Takahiro Yamaguchi, Kohei Hosoyachi, Yuhichiroh Murakami, Kiyohito Itoh
  • Patent number: 12178072
    Abstract: A display device is provided. A boundary of a projection of a first opening on a substrate is located between an inscribed circle and a circumscribed circle of a boundary of a projection of a corresponding subpixel on the substrate, so that the first opening cannot completely cover the corresponding subpixel. In this way, a light condensing effect in a non-planar display area is reduced, a bad experience with certain viewing angles in conventional non-planar display areas for users is improved, and user experience is enhanced.
    Type: Grant
    Filed: March 3, 2022
    Date of Patent: December 24, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Zhuofan Chen