Patents Assigned to Display Technologies
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Patent number: 12272273Abstract: The present application provides a flexible display module including: a flexible display panel including a first flat portion, a bent portion, and a second flat portion; a support member disposed on a side of the first flat portion adjacent to the second flat portion, wherein the support member is defined with a groove on a side of the support member adjacent to the second flat portion, and the groove is defined at an end of the support member adjacent to the bent portion; and an adhesive member disposed in the groove of the support member and disposed between the support member and the second flat portion.Type: GrantFiled: October 11, 2021Date of Patent: April 8, 2025Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Dengqian Li, Hai Huang
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Patent number: 12271547Abstract: A display device with a touch panel includes a touch panel including a pixel electrode, and a control unit executing a write process of writing a data signal on the pixel electrode and a touch detection process by the touch panel. The control unit determines an executable number of times of the touch detection process based on the length of the pause period, alternately executes the touch detection process and the write process in the display period, and executes the touch detection process a number of times equal to or less than the determined executable number of times in the pause period.Type: GrantFiled: November 20, 2023Date of Patent: April 8, 2025Assignee: Sharp Display Technology CorporationInventors: Daiji Kitagawa, Jin Miyazawa, Yousuke Nakamura, Daisuke Suehiro
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Patent number: 12272291Abstract: This application discloses a gate driving circuit and a display panel. The gate driving circuit includes a plurality of stage circuits. The stage circuit includes an input module, a first output module, a second output module, a voltage stabilizing module, and a first driving control module. The voltage stabilizing module includes a first transistor whose gate receives a clock signal. When the gate driving circuit operates in a low power consumption mode, the clock signal turns on the first transistor to reduce a power consumption of the gate driving circuit by reducing a frequency of the clock signal.Type: GrantFiled: November 29, 2023Date of Patent: April 8, 2025Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Huanxi Zhang
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Patent number: 12271230Abstract: A display device is provided. In the present invention, a first support structure is utilized to improve flatness of a modular laminated structure, and a second support structure is utilized to increase a radius of curvature of the modular laminated structure in a first bending area, which increases a continuity of radian of the modular laminated structure in the first bending area and ease a stress of the modular laminated structure in the first bending area. Therefore, a risk of peeling off film layers of the modular laminated structure in the first bending area and a risk of imprinting of the modular laminated structure in the first bending area are reduced.Type: GrantFiled: June 29, 2022Date of Patent: April 8, 2025Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Wenqiang Wang
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Patent number: 12272295Abstract: Provided is a pixel circuit. The pixel circuit includes a data writing circuit, a light-emission adjusting circuit, a light-emission control circuit, and a light-emission driving circuit; wherein the data writing circuit is coupled to a gate signal terminal, a first data signal terminal and a first node; the light-emission adjusting circuit is coupled to a target signal terminal, the first node and a second node; the light-emission control circuit is coupled to the second node, a reference signal terminal, a light-emission control signal terminal and a third node; the light-emission driving circuit is coupled to the third node, the gate signal terminal, a first power supply terminal, a second data signal terminal and a light-emitting element.Type: GrantFiled: June 8, 2021Date of Patent: April 8, 2025Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Ning Cong, Minghua Xuan, Can Zhang, Xiaochuan Chen, Lijun Yuan, Qi Qi, Can Wang, Jinfei Niu
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Patent number: 12274151Abstract: A display panel and a preparation method thereof are disclosed in the present disclosure. The display panel includes an anode layer and a light-emitting layer. The anode layer includes a first anode and a second anode. There is a gap between the first anode and the second anode. The first anode includes a first reflection portion, and the second anode includes a second reflection portion. A reflectivity of the first reflection portion is less than a reflectivity of the second reflection portion. The light-emitting layer includes a green light emitting portion and a blue light emitting portion that are correspondingly disposed on the first anode and the second anode respectively.Type: GrantFiled: July 21, 2021Date of Patent: April 8, 2025Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Jia Tang
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Patent number: 12274010Abstract: A flexible support plate and a flexible display device. The flexible support plate includes an opening area and at least one solid area arranged on at least one side of the opening area, wherein the opening area is provided with a plurality of through holes; the opening area includes a middle area and a transition area; the transition area is arranged between the middle area and the solid area; and the width of the transition area decreases as the distance to the middle area increases.Type: GrantFiled: November 15, 2021Date of Patent: April 8, 2025Assignees: CHONGQING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Shaoru Li, Rui Wang, Jian Guo, Jonguk Kwak
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Patent number: 12272286Abstract: A method and an apparatus for driving a display panel, and a display driver integrated circuit chip are provided. The method includes: determining an order in which display divisions on the display panel are to be driven, when determined not to update respective refresh rates of the display divisions; determining electric signal gear ranges for the display divisions based on the refresh rates of the display divisions, respectively; and driving the display divisions sequentially in the determined order and based on the determined gear ranges. With this method, the power consumption can be reduced while the display effect is improved.Type: GrantFiled: June 20, 2024Date of Patent: April 8, 2025Assignee: XIAMEN TIANMA DISPLAY TECHNOLOGY CO., LTD.Inventors: Runtao Jia, Ying Sun, Qiang Chen, Weixing Liu, Yu Zheng, Xianyun Hou
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Patent number: 12272685Abstract: A bezel-less display panel, a display device, and a spliced display device are disclosed. The bezel-less display panel includes a first display area, a second display area around the first display area, and a third display area around the second display area. The third display area is not provided with a subpixel driving thin-film transistor. Some of driving thin-film transistors in the second display area are connected to light-emitting subpixels in the third display area through a plurality of metal lines.Type: GrantFiled: January 24, 2024Date of Patent: April 8, 2025Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Wu Zheng, Zengjian Jin
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Patent number: 12274132Abstract: An embodiment of the present application discloses an OLED display device manufacturing method and an OLED display device. The method includes a first pixel definition partitioning bar forming step, a second pixel definition partitioning bar forming step, and a color ink printing step. The first pixel definition partitioning bar forming step includes forming first pixel definition partitioning bars on substrate along a first direction. the second pixel definition partitioning bar forming step includes forming second pixel definition partitioning bars on the substrate along a second direction. An overflow drainage region is defined in each of the second pixel definition partitioning bars. The present application uses the overflow drainage region to perform an overflow drainage color inks printed on the substrate in the color ink printing step to prevent an issue of the overflowing color inks has color mixing and affect a quality of the OLED display device.Type: GrantFiled: December 21, 2021Date of Patent: April 8, 2025Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Qiankun Xu
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Patent number: 12272274Abstract: A display device is provided. The display device includes a middle frame component, a slide component, elastic elements, and a display screen. The middle frame component includes at least two middle frame bodies connected rotatably. The slide component includes at least two slide elements. The slide elements are slidably connected to the middle frame bodies correspondingly. The elastic elements are connected between the middle frame bodies and the slide elements. The display screen is connected to the slide component. By disposing the slide component, poor display incurred by occurrence of deformation is prevented when the display screen drops.Type: GrantFiled: May 20, 2022Date of Patent: April 8, 2025Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Jiang Li
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Patent number: 12274152Abstract: A display module includes a display function layer, a display planar area, and a buffer layer. The display function layer is divided into a display segment, a compression segment, and a bending segment therebetween. The display planar area includes a compression overlapping area. A positive projection of the compression segment on the display segment covers the compression overlapping area. The buffer layer covers the compression overlapping area and is disposed on a side of the display function layer away from an eminent layer of the display function layer. The buffer layer comprises a metal layer. A protective layer is disposed on a side of the buffer layer away from the display function layer. The protective layer covers the compression overlapping area. A hardness of a material for the protective layer is greater than a hardness of a material for the metal layer.Type: GrantFiled: December 17, 2021Date of Patent: April 8, 2025Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Kuihua You, Feiming Lin, Xiaowen Huang
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Patent number: 12270957Abstract: A photoelectric conversion panel includes a TFT, a photodiode, a first organic film formed on an upper layer from the photodiode, a bias line formed on an upper layer from the first organic film, a data line separated from the bias line, a second organic film covering the first organic film, the bias line, and the data line, and a first inorganic insulating film. Part of the second organic film is disposed between the bias line and the data line. The first inorganic insulating film covers the second organic film.Type: GrantFiled: July 6, 2023Date of Patent: April 8, 2025Assignee: Sharp Display Technology CorporationInventor: Hiroyuki Moriwaki
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Patent number: 12274143Abstract: A display panel and a display device are provided. A size of a first pixel opening is greater than a size of a second pixel opening. A ratio of an orthographic projection area of a first light-emitting layer projected on a substrate to an orthographic projection area of a second light-emitting layer projected on the substrate ranges from 95% to 105%. Reducing a size of the second pixel opening of a display light transmission region without reducing a PPI of the display light transmission region is beneficial to improve a display effect of the display light transmission region. There is no need to modify a mask sheet mesh, and no need to specially design a mask for the display light transmission region.Type: GrantFiled: December 14, 2020Date of Patent: April 8, 2025Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Tao Chen
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Patent number: 12271087Abstract: A liquid crystal display panel and a display device are provided by the present disclosure. The liquid crystal display panel includes a first substrate, a second substrate, a liquid crystal layer, and a sealing structure. The sealing structure includes an inner retaining wall, an outer retaining wall, and a frame adhesive. The inner retaining wall is located in a frame area and surrounds a display area. The outer retaining wall surrounds the inner retaining wall and is disposed at intervals with the inner retaining wall. An accommodating space is provided between the outer retaining wall and the inner retaining wall. A bottom of the accommodating space is provided with a groove surrounding the inner retaining wall. The frame adhesive is located in the accommodating space.Type: GrantFiled: November 27, 2023Date of Patent: April 8, 2025Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: He Wang, Guanshui Luo
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Patent number: 12274121Abstract: The present application provides a display panel and a mobile terminal, including an array substrate; a dam structure; an organic layer group and a light-emitting layer sequentially stacked on the array substrate and in the display area. The dam structure includes a first dam layer and a second dam layer having a width less than or equal to a width of the first dam layer that are sequentially stacked over the array substrate. An absolute value of the difference between the thickness of the organic layer group and the thickness of the dam structure is less than or equal to the first predetermined threshold value.Type: GrantFiled: December 10, 2021Date of Patent: April 8, 2025Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology CO., Ltd.Inventor: Chen Chen
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Patent number: 12272281Abstract: A self-monitoring method of a display and a display are disclosed. The self-monitoring method of a display includes: acquiring first display parameters of at least two frames of image outputted by the display, in which each frame of image of the at least two frames of image corresponds to a first display parameter, and extraction of first display parameters of two adjacent frames of image in the at least two frames of image has a time interval; acquiring a fifth difference between a maximum value of at least two first display parameters corresponding to the at least two frames of image and a minimum value of at least two first display parameters corresponding to the at least two frames of image; and acquiring a first preset threshold, comparing the fifth difference with the first preset threshold, and determining whether or not display abnormality presents in the display.Type: GrantFiled: April 26, 2024Date of Patent: April 8, 2025Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jianting Wang, Rui Guo
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Patent number: 12271091Abstract: The present invention discloses a display device and a manufacturing method thereof, the display device includes: an underlay substrate; a circuit layer disposed on a side surface of the underlay substrate; a light emitting device layer disposed on a side surface of the circuit layer away from the underlay substrate; an encapsulation layer covering a side surface of the light emitting device layer away from the circuit layer and at least one short side surface of the light emitting device layer; and an electrochromic device layer disposed on a side surface of the encapsulation layer away from the light emitting device layer.Type: GrantFiled: September 8, 2020Date of Patent: April 8, 2025Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Bingwen Zheng
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Publication number: 20250113681Abstract: A display panel includes a first array substrate and multiple light-emitting elements. A light-emitting element includes a first binding electrode and a second binding electrode. The first array substrate includes multiple pixel disposition regions. A pixel disposition region includes a first pad and/or a second pad. The first binding electrode is electrically connected to the first pad, and the second binding electrode is electrically connected to the second pad. The area of the projection of the first pad on the plane on which the display panel is located is greater than or equal to N times the area of the projection of the first binding electrode on the plane, and/or the area of the projection of the second pad on the plane is greater than or equal to N times the area of the projection of the second binding electrode on the plane, where N?2.Type: ApplicationFiled: December 4, 2024Publication date: April 3, 2025Applicant: Tianma Advanced Display Technology Institute (Xiamen) Co., Ltd.Inventors: Finley KONG, Kerui XI, Bo ZHOU, Jingfeng GUO, Ying LIU
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Publication number: 20250111820Abstract: This application proposes a pixel driving circuit and a display panel including an output module, a current control module, and a duration control module. The duration control module includes a first input unit and a first capacitor connected to each other. A second plate of the first capacitor is connected to a voltage control signal terminal. The voltage control signal terminal outputs a periodic lighting control signal during a light emitting stage. When the voltage control signal terminal is configured in a first voltage range, the output module is turned on, and when it is configured in a second voltage range, the output module is turned off.Type: ApplicationFiled: October 31, 2023Publication date: April 3, 2025Applicant: Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., LTd.Inventor: Maoxia ZHU