Patents Assigned to WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
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Patent number: 11955084Abstract: 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: GrantFiled: July 13, 2021Date of Patent: April 9, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Xuanyun Wang, Chao Dai, Jianlong Wu, Ruiting He
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Patent number: 11957029Abstract: An OLED display panel comprises an array substrate and metal wiring layers, wherein one part of metal lines is arranged in a direction perpendicular to a first dam, and the other part of the metal lines forms acute angles with the first dam. A plurality of first grooves are defined in a fan-out area and arranged along the metal lines, and a plurality of second grooves are defined in the array substrate corresponding to a part of an area and arranged in the direction perpendicular to the first dam.Type: GrantFiled: December 16, 2019Date of Patent: April 9, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Jun Cao
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Patent number: 11954278Abstract: The present application provides a display panel and an electronic device. A functional region and a transition region of the display panel are located between two adjacent touch electrodes, each touch electrode is electrically connected to a first signal transmission line, first signal shielding lines are disposed between the first signal transmission lines of a same touch electrode group and the touch electrodes of an adjacent touch electrode group, and a part of the first signal shielding line is located in the transition region, so as to alleviate a problem of poor touch performance of an existing out-cut screen.Type: GrantFiled: November 26, 2021Date of Patent: April 9, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Liang Fang, Ding Ding
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Patent number: 11955036Abstract: A supporting plate and a display module are provided. In the supporting plate, a bending part is connected between a first supporting main body and a second supporting main body. The bending part includes a first bending part. An end of the first bending part is connected to the first supporting main body, and another end of the first bending part is connected to the second supporting main body. Along a direction from the first supporting main body to the second supporting main body, the first bending part has a plurality of bending structures that bend back and forth in two opposite directions.Type: GrantFiled: October 10, 2020Date of Patent: April 9, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Wenqiang Wang
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Patent number: 11955035Abstract: The present invention provides a display device, wherein by arranging reels at opposite ends of the flexible display screen, a difference in curling lengths between laminated films of the flexible display screen caused by an increase in a number of curling turns during curling can be effectively relieved. In addition, one end of the inner roll can reduce the stress generated at one end of the outer roll, thereby preventing the layers from falling off, which is beneficial to increase the service life of the flexible display screen.Type: GrantFiled: June 18, 2020Date of Patent: April 9, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Ruiting He, Xiaokang Li
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Patent number: 11957006Abstract: A display device includes a display panel and an integrated circuit chip configured with a plurality of first bonding terminals spaced apart from each other. The display panel is provided with a plurality of second bonding terminals, and a first insulating layer is disposed between the first bonding terminals and the second bonding terminals. A plurality of electrically conductive particles are provided on the second bonding terminals and penetrate the first insulating layer so that the electrically conductive particles are in contact with the first bonding terminals.Type: GrantFiled: March 17, 2020Date of Patent: April 9, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Caihua Ding
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Patent number: 11957031Abstract: A display device is provided. The present disclosure allows a distance between a protective layer and a coverplate to be greater than or equal to a default value in an overlapping area of the protective layer and the coverplate, so the coverplate will not squeeze the protective layer, thereby preventing a risk of cracking the display device.Type: GrantFiled: May 31, 2021Date of Patent: April 9, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Jing Zhou
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Patent number: 11950443Abstract: An OLED display device includes a display panel, a metal sheet, and a middle frame. The display panel is closely attached to one side of the metal sheet, and is defined with a foldable area and a non-foldable area. The metal sheet is disposed between the middle frame and the display panel. The middle frame is disposed on one side of the metal sheet facing away from the display panel. The foldable area of the middle frame is disposed with a hub piece, and the foldable area of the metal sheet is disposed with a magnet sheet, and the magnet sheet is disposed opposite to the hub piece.Type: GrantFiled: April 9, 2020Date of Patent: April 2, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Huan Cao
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Patent number: 11947748Abstract: A display panel and a display device are provided. Each of touch trace regions is individually wired to connect to a touch integrated circuit, and it is not necessary for all the touch trace regions to be converged in a lower border region. Moreover, the touch trace regions are respectively arranged above a low-voltage trace region VSS and a high-voltage trace region VDD, so that a width of left and right lower border regions can be reduced, which is beneficial to a narrow down border design of large-sized display panels.Type: GrantFiled: October 26, 2020Date of Patent: April 2, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Liang Fang
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Patent number: 11950477Abstract: The present application discloses an OLED display panel, including a plurality of first color sub-pixels, a plurality of second color sub-pixels, and a plurality of third color sub-pixels, wherein the first-color subpixels, the second-color subpixels, and the third-color subpixels constitute a plurality of repeating units, the repeating units include a first repeating unit and a second repeating unit, and the first repeating unit and the second repeating unit are arranged at intervals in any row or any column.Type: GrantFiled: April 28, 2020Date of Patent: April 2, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Di Zhang
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Publication number: 20240105124Abstract: The present application discloses a display panel and a display device. The display panel includes pixel rows, auxiliary pixel driver circuits, main pixel driver circuits, and gate electrode driver circuits. Scan signal lines of each level include auxiliary scan signal lines of a number Q. Connecting first auxiliary scan signal lines of a number Z of the auxiliary scan signal lines of a number Q to corresponding ones of the gate electrode driver circuits and setting an end of second auxiliary scan signal lines to float prevents setting a connection wire connecting two of the auxiliary scan signal lines to avoid coupling.Type: ApplicationFiled: September 6, 2021Publication date: March 28, 2024Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Songpo XIANG
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Publication number: 20240107727Abstract: The present application provides a display device comprising: a display panel including a display region and a non-display region, wherein the non-display region includes first and second fan-out regions and a bending region; an optical functional film layer formed in the display region and the first fan-out region; an adhesive layer formed on the optical functional film layer; and a protective layer located in the bending region and with a gap with the optical functional film layer, and an end of the adhesive layer extends beyond the optical functional film layer and is connected to the protective layer, and the adhesive layer covers the optical functional film layer, the gap, and part of the protective layer.Type: ApplicationFiled: December 8, 2023Publication date: March 28, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Kuihua YOU, Jialiang TANG
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Patent number: 11943972Abstract: The present disclosure provides a display panel and a manufacturing method thereof, which include a flexible substrate, an array layer, a pixel definition layer, an insulating layer, a light-emitting layer, an additional layer, and a first inorganic layer. The array layer, the pixel definition layer, and the insulating layer are sequentially disposed on the flexible substrate, the insulating layer includes first through holes and second through holes, the light-emitting layer is filled in the first through holes, and the additional layer is disposed on the pixel definition layer, in the second through holes, and on the insulating layer and the light-emitting layer. The first inorganic layer is disposed on the array layer and the additional layer.Type: GrantFiled: June 17, 2020Date of Patent: March 26, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Jiajia Sun
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Patent number: 11943953Abstract: An organic light emitting diode and a fabricating method thereof are provided, where a package is performed on a surface of a light emitting layer. The process is simple, and it can effectively protect the light emitting layer. It can effectively protect the light emitting layer, prevent water and oxygen from invading and reducing activity of a light emitting layer material, and effectively improve the service life of the organic light emitting diode. Problems of poor packaging effect and complicated preparation procedures of the organic light emitting device in the prior art are solved.Type: GrantFiled: January 14, 2020Date of Patent: March 26, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Anxing Zhong
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Patent number: 11943954Abstract: The present disclosure provides an encapsulation structure and an encapsulation method for a flexible OLED device. The encapsulation structure for the flexible OLED device comprises an organic matter protective layer, one or more continuous organic flat layers, one or more inorganic barrier layers, and one or more organic layers sequentially disposed on the OLED device. An outermost surface of each organic layer is treated with plasma to become a surface hardened layer, which forms an organic barrier layer with an unhardened portion of the organic layer. The surface hardened layer can prevent moisture invasion and erosion, thereby extending a service life of the OLED device. The unhardened portion of the organic barrier layer can completely release tensile stress of an inorganic layer. The encapsulation structure for the flexible OLED device improves moisture and oxygen blocking performance and reduces a risk of degradation of a thin-film encapsulation structure during bending.Type: GrantFiled: March 16, 2020Date of Patent: March 26, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Wenzhi Zhang
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Patent number: 11942033Abstract: A driving circuit and a display panel are provided. The driving circuit includes a driving module and an additional module. The driving module includes a first transistor electrically connected to a first signal line and a connection transistor connected to a gate of the first transistor. The connection transistor has a connection node. The additional module includes a second transistor having the same threshold voltage as the first transistor, and the second transistor is connected between the connection node and the first signal line.Type: GrantFiled: June 29, 2021Date of Patent: March 26, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Mian Zeng, Liang Sun
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Patent number: 11941206Abstract: A touch control component and a touch control display device are provided. The present disclosure can improve touch control sensitivity of the touch control component by at least one second branch electrode surrounding at least one first branch electrode corresponding thereto, by at least one third branch electrode adjacent to the at least one first branch electrode surrounding the at least one second branch electrode positioned between the at least one first branch electrode and the at least one third branch electrode, and by two adjacent third branch electrodes respectively positioned in two of touch control units adjacent to each other in a first direction being connected to each other on one end away from the third branch electrodes connected to a first main stem electrode.Type: GrantFiled: December 30, 2020Date of Patent: March 26, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Jieping Wang, Jian Ye
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Patent number: 11942461Abstract: 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: September 11, 2020Date of Patent: March 26, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Wu Zheng, Zengjian Jin
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Publication number: 20240096264Abstract: A splicing screen includes a connecting plate and two sub-displays. The sub-display screens include gate signal lines, data lines, and first pads, each of which is electrically connected to a data line or a gate signal line. The connecting plate is arranged on one side of the sub-display screen facing away from a light-emitting side thereof. Two first pads connected to the data lines or gate signal lines of two sub-display screens that are spliced are connected in pair by the connecting plate. By utilizing pads and the connection plate to achieve a communication between the signal lines in the sub-display screens without needing, a drive circuit at an edge of each sub-display screen, a width of the non-display area at the splicing slit is reduced. The first pads are provided at one side of the sub-display screen facing the connecting plate, which reduces the width of the splicing slit.Type: ApplicationFiled: December 17, 2021Publication date: March 21, 2024Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Le ZHANG
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Publication number: 20240096272Abstract: A display panel and a control method thereof are provided. The control method comprises obtaining display information and compensation parameter information of the display panel, wherein the compensation parameter information includes multiple display parameter groups and multiple compensation parameter groups which are in one-to-one correspondence, and the display information is one of the display parameter groups; determining a target compensation parameter group corresponding to the display information from the compensation parameter groups according to the display information and the compensation parameter information; and compensating the light emitting brightness of the display panel according to the target compensation parameter group.Type: ApplicationFiled: December 17, 2021Publication date: March 21, 2024Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Yedong WANG, Jia ZHANG