Patents Assigned to A*STAR
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Publication number: 20250133942Abstract: A display device including a display panel and a support layer is provided. The display panel has a light-transmitting area and a bonding area. The support layer includes a first support layer and a second support layer, where the first support layer has a first portion corresponding to the light-transmitting area, the second support layer has a second portion corresponding to the bonding area, and an optical phase retardation coefficient of the first portion is less than an optical phase retardation coefficient of the second portion.Type: ApplicationFiled: December 24, 2024Publication date: April 24, 2025Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Yunti ZHANG, Dong ZHAN, Hanning YANG, Xin LIU
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Publication number: 20250131863Abstract: A gate driving circuit includes a gate driving unit arranged in a multi-stage cascade. The gate driving unit includes a pull-up control module, a pull-up node, a first output module, a second output module, a pull-down control module, a first pull-down module, a pull-down node, a second pull-down module, and a pull-down maintenance module. The pull-up control module is configured to pull up a potential of the pull-up node under a control of a first clock signal input at a first clock signal input terminal. The pull-down control module is configured to pull up a potential of the pull-down node under a control of the first clock signal. The first pull-down module is configured to pull the potential of the pull-down node down to a potential of the first clock signal under a control of the potential of the pull-up node.Type: ApplicationFiled: December 7, 2023Publication date: April 24, 2025Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Xiang ZHOU, Baixiang HAN, Guangyao LI
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Publication number: 20250131893Abstract: A display panel includes a plurality of data lines, a plurality of first sub-pixels and at least one second sub-pixel connected to the same data line. The at least one second sub-pixels are disposed between the plurality of the first sub-pixels, and compensation method of the display panel includes controlling each of the first sub-pixels to load a corresponding one of first data voltages in a first period, wherein a plurality of the first data voltages are in a first voltage interval and controlling each of the at least one second sub-pixel to load a corresponding one of second data voltages in a second period, wherein the plurality of second data voltages are in a second voltage interval, the second period does not overlap with the first period, and the second voltage interval does not overlap with the first voltage interval.Type: ApplicationFiled: December 7, 2023Publication date: April 24, 2025Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Jhenwei HE, Xingwu MA, Guanxian HE, Chaoping LI, Jianmin NIE, Qian WANG, Yuhua CHANG
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Publication number: 20250133828Abstract: A display panel and a method of manufacturing a display panel are provided. The display panel includes: a substrate; a first transistor disposed on the substrate, the first transistor including a first source and a first drain; and a second transistor disposed on the substrate, the second transistor including a second source and a second drain. The first source and the first drain have two metal sub-layers respectively, and the second source and the second drain have three metal sub-layers respectively. Since the first transistor and the second transistor are both included in the display panel, the advantages of the first transistor and the second transistor are respectively utilized, thereby ensuring that the requirements of different thin film transistors for each circuit unit in the display panel are met.Type: ApplicationFiled: September 30, 2024Publication date: April 24, 2025Applicant: Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., LTd.Inventors: Zhihui CAI, Shimin GE, Wei WU
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Publication number: 20250130470Abstract: An embodiment of the present application discloses an array substrate and a display panel. In the array substrate, second line segment includes a connection portion and a wiring portion. The second signal line includes a third line segment. The third line segment and second line segment are in the same layer and are disposed adjacently on a first insulation layer. The third line segment is connected to a gate driver circuit unit, connection portion is connected to a first line segment. The wiring portion is connected to the connection portion and the gate driver circuit unit. A second insulation layer covers the first insulation layer, the third line segment, and the second line segment. A barrier wall is disposed on a side of the second insulation layer away from the substrate. A boundary of the barrier wall covers one of the connection portion and the third line segment.Type: ApplicationFiled: December 15, 2023Publication date: April 24, 2025Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Wenxiong ZHONG
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Publication number: 20250133688Abstract: This disclosure provides a heat dissipation assembly and an electronic device. The heat dissipation assembly includes a first fan, a first fin assembly, a second fan, a second fin assembly, a vapor chamber and a heat dissipation sheet. The second fan has a second inlet, at least one second outlet and a side outlet. The at least one second outlet and the side outlet are in fluid communication with the second inlet. A direction of the side outlet directs toward the first fan. The vapor chamber is thermally coupled to the first fin assembly and the second fin assembly. The heat dissipation sheet is in thermal contact with a side of the vapor chamber, and located between the first fan and the second fan.Type: ApplicationFiled: December 28, 2023Publication date: April 24, 2025Applicants: MICRO-STAR INT’L CO., LTD., MSI ELECTRONIC (KUN SHAN) CO., LTD.Inventors: Chia-Ming CHANG, Ching-Chi WU
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Publication number: 20250133905Abstract: A display panel includes a silicon substrate and an oxide transistor layer disposed on a side of the silicon substrate. The silicon substrate includes a single-crystal silicon transistor, and the oxide transistor layer includes an oxide transistor electrically connected to the single-crystal silicon transistor.Type: ApplicationFiled: June 14, 2023Publication date: April 24, 2025Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Mian ZENG
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Patent number: 12284869Abstract: The present application provides a display panel, a manufacturing method thereof, and a mobile terminal. The display panel includes a display area and a bending area located at a side of the display area. The display panel includes a base, a metal layer and an organic film layer, which are laminated in order. The metal layer includes a metal trace, and at least a part of the metal trace is located in the bending area. The organic film layer at least covers the metal trace. The display panel further includes an ultraviolet blocking layer disposed at a side of the organic film layer away from the metal layer. A projection of the ultraviolet blocking layer covers the bending area.Type: GrantFiled: December 10, 2021Date of Patent: April 22, 2025Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Qi Ouyang, Xuehuan Song
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Patent number: 12280577Abstract: The embodiment of the present invention discloses a bonding device. The bonding device includes a main body and a lamination part connected to the main body. The lamination part is configured to press and bond an adhesive layer to an apparatus to be bonded, and includes a lamination main portion and a squeeze sub-portion connected to the lamination main portion. Along a lamination direction perpendicular to the lamination part, a width of the squeeze sub-portion is less than a width of the lamination main portion. The present invention, by using the squeeze sub-portion of the lamination part with a smaller width, more conveniently squeezes and bonds the adhesive layer, which facilitates mechanized bonding, improves a bonding efficiency, and reduces a labor cost while guaranteeing a bonding effect.Type: GrantFiled: August 30, 2023Date of Patent: April 22, 2025Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Biwu Liu
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Patent number: 12282617Abstract: A touch display panel and an electronic equipment are provided. The touch display panel includes a display area and a non-display area. The touch display panel also includes a touch function layer, a thin film transistor array layer, and an organic light emitting layer. Using a preparation process of the thin film transistor array layer, a touch wiring of the non-display area is formed on a same layer, which can solve a problem of poor etching of the touch wiring due to different substrate materials of a touch trace in the display area and the touch wiring in the non-display area.Type: GrantFiled: May 31, 2021Date of Patent: April 22, 2025Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Min Shu, Yu Zhao
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Patent number: 12280392Abstract: A glue gun includes a first handle and a second handle which are connected via a pivot pin shaft, and one of them is arranged as a fixed handle, and the other is arranged as a movable handle. The movable handle is provided with an actuating member configured to push a push member. A spacing between the actuating member and the pivot pin shaft is adjustable, such that the pivot pin shaft or the actuating member can switch between at least two gears and the ratio of a spacing between the pivot pin shaft and a force application point on the movable handle to a spacing between the pivot pin shaft and a force bearing point on the actuating member is changed, thus enabling a change in the force applied on the push member as well as a change in the rate of movement of a push rod.Type: GrantFiled: June 17, 2022Date of Patent: April 22, 2025Assignees: HANGZHOU UNITED TOOLS CO., LTD., HANGZHOU GREAT STAR INDUSTRIAL CO., LTD.Inventor: Yueming Li
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Patent number: 12283241Abstract: The present disclosure provides a pixel driving circuit, a driving method thereof, and a display panel. The pixel driving circuit includes a driving transistor; a compensation module including a first transistor, a compensation transistor for compensating a threshold voltage of the driving transistor, a second transistor, and a storage capacitor connected in series between a source or a drain of the compensation transistor and a gate of the driving transistor; and a data writing module including a data writing transistor connected to an upper plate of the storage capacitor, to improve display effect.Type: GrantFiled: September 28, 2023Date of Patent: April 22, 2025Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Xuanyun Wang, Chao Dai
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Patent number: 12283217Abstract: Compensation methods and brightness compensation devices for a display panel are provided.Type: GrantFiled: December 12, 2023Date of Patent: April 22, 2025Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Ling Xu
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Patent number: 12284876Abstract: An array substrate and a display panel are provided. A driving circuit layer of the array substrate includes a low temperature polysilicon thin film transistor and a low temperature polycrystalline oxide thin film transistor which are electrically connected with each other. A hydrogen blocking layer is formed on at least one of an upper side and a lower side of an oxide active layer of the low temperature polysilicon thin film transistor. The hydrogen blocking layer can block hydrogen ions in other film layers to invade the oxide active layer and avoid that device characteristics are drifted.Type: GrantFiled: March 31, 2024Date of Patent: April 22, 2025Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Huihui Zhao, Hao Peng
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Patent number: 12284829Abstract: An array substrate and a display panel are disclosed. The display panel includes the array substrate. An ion injection stopper layer and an active layer of the array substrate correspond to at least part of the channel part. The ion injection stopper layer blocks ions from being injected into the channel part. Therefore, an effective channel length of oxide TFTs is reduced. A width of a channel of the oxide TFTs can be reduced without changing a width-length ratio of the oxide TFTs. As such, a size of the oxide TFTs can be reduced, and an aperture ratio of the display panel is increased.Type: GrantFiled: March 21, 2022Date of Patent: April 22, 2025Assignee: GUANGZHOU CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Jun Zhao, Wei Wu, Bin Zhao, Juncheng Xiao
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Patent number: 12282239Abstract: An array substrate and a liquid crystal display panel are provided. The array substrate comprises a substrate; a first conductive layer arranged at a side of the substrate and comprising a common electrode; a second conductive layer arranged at a side of the first conductive layer away from the substrate and comprising a transparent shielding electrode; and a third conductive layer arranged at a side of the second conductive layer away from the substrate and comprising a connecting electrode; wherein, the connecting electrode is connected with the common electrode through a first through hole, the connecting electrode is connected with the transparent shielding electrode through a second through hole, and the first through hole is spaced from the second through hole.Type: GrantFiled: July 24, 2023Date of Patent: April 22, 2025Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Lei Huang, Liu Yang, Shumin Tang
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Patent number: 12280911Abstract: A foldable file box includes: a plastic sheet including a bottom wall and two side walls that are foldable relative to the bottom wall to form a U-shaped structure; two side frames interlocking with the bottom wall and the two side walls to form a box structure including a top opening; two hanging rods each including a bottom portion interlocking with the top part of the plastic sheet, and two ends of each hanging rod respectively interlocking with the two side frames; and a top cover interlocking with the two side frames and the two hanging rods to close the top opening.Type: GrantFiled: September 7, 2023Date of Patent: April 22, 2025Assignee: ALL STAR HOUSEWARE LTD.Inventor: Xiaowei Song
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Patent number: 12283227Abstract: An embodiment of the present disclosure is directed to a display panel. The display panel includes a plurality of scan lines and a plurality of forward and reverse scan pull-down circuit. The plurality of scan lines is located on the display area. Each of the forward and reverse scan pull-down circuits includes a forward scan control module, a reverse scan control module, and a pull-down module located on a display area. The pull-down module includes an output terminal and a control terminal coupled to an output terminal of the forward scan control module and an output terminal of the reverse scan control module.Type: GrantFiled: February 8, 2023Date of Patent: April 22, 2025Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Chao Tian, Mingyue Li, Yanqing Guan, Haiming Cao, Fei Ai, Guanghui Liu
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Patent number: 12283228Abstract: The present disclosure provides a display panel and a display device. The display panel includes a substrate, and a driving circuit layer disposed at a side of the substrate. The driving circuit layer includes multistage gate driving units disposed in a non-display area and stage transmission signal lines connecting the gate driving units of different stages. The driving circuit layer includes a first semiconductor layer disposed at the side of the substrate, the first semiconductor layer includes a plurality of first semiconductors disposed in non-display regions, and the gate driving units include the first semiconductors; and the stage transmission signal line is disposed between the first semiconductor layer and the substrate, and is arranged to overlap with at least a portion of the gate driving unit in the non-display area.Type: GrantFiled: February 28, 2023Date of Patent: April 22, 2025Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Junyan Hu, Chao Dai
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Patent number: D1072064Type: GrantFiled: September 30, 2024Date of Patent: April 22, 2025Assignee: PINGHU LITTLE STAR TOYS CO., LTDInventor: Liping Gu