Patents Assigned to A*STAR
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Publication number: 20250143129Abstract: The present disclosure discloses a display panel and a display device. The display panel includes an array substrate and a plurality of pixel units. In a first display area, a minimum distance between an edge of an anode of a second pixel unit and an edge of a corresponding light-emitting portion is greater than a minimum distance between an edge of an anode of a first pixel unit and an edge of a corresponding light-emitting portion. The display panel and the display device provided by the present disclosure prevents a problem that user experience is compromised by differences in brightness of the display panel at wide viewing angles.Type: ApplicationFiled: December 31, 2024Publication date: May 1, 2025Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Wei LIU, Lin YANG, Yexi SUN
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Publication number: 20250138363Abstract: The embodiments of the present disclosure provide a backlight module. A first light-emitting diode and a second light-emitting diode are alternately arranged along a first direction and/or a second direction. The first light-emitting diode is for shining a first light-emitting area. The second light-emitting diode is for shining a second light-emitting area. An extension direction of the first light-emitting area intersects an extension direction of the second light-emitting area. A light-emitting area complementation effect is achieved, and a light mixing effect and a uniformity of light emission are further improved.Type: ApplicationFiled: February 28, 2023Publication date: May 1, 2025Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Ze ZHANG, Lei ZHU
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Publication number: 20250140145Abstract: A gate driving circuit includes gate driving units. Each of the gate driving units includes a node voltage control module and a pull-down module. The node voltage control module includes a first module and a storage module. The first module outputs a first voltage signal at a first node in response to a pull-down control signal at a first control port. The storage module includes a first port receiving the first voltage signal, and a second terminal electrically connected to the first node. The pull-down module outputs a first working signal for controlling a plurality of sub-pixels to turn off at an output port of the gate driving unit in response to the first voltage signal. The storage module maintains the first voltage signal applied on the first node to maintain the first working signal at the output port of the gate driving unit controlled by the pull-down module.Type: ApplicationFiled: December 31, 2023Publication date: May 1, 2025Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Xiang ZHOU, Baixiang HAN, Guangyao LI
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Publication number: 20250138376Abstract: An array substrate includes a substrate, a gate electrode, a gate insulating layer, an active layer, a source electrode and a drain electrode, a first insulating layer, a transparent oxide electrode, an interface protection layer, and a second insulating layer; the first insulating layer is disposed on a side of the source electrode and the drain electrode away from the active layer; the transparent oxide electrode is disposed on a side of the first insulating layer away from the substrate; the interface protection layer is disposed on a side of the transparent oxide electrode away from the substrate; and the second insulating layer is disposed on a side of the interface protection layer away from the transparent oxide electrode.Type: ApplicationFiled: December 9, 2024Publication date: May 1, 2025Applicant: TCL China Star Optoelectronics Technology Co., Ltd.Inventor: Kaixiang YANG
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Publication number: 20250142963Abstract: An array substrate and a display panel are provided, which include a base and a plurality of semiconductor devices disposed on the base. An active defining portion is provided on the base, a junction of a connecting surface and a first top surface of the active defining portion is a first edge. The semiconductor device includes an active layer and a gate, one or more single crystal starting points of the active layer correspond to the first edge. An area where two rows of single crystal particles parallel to the first edge on both sides of the one or more single crystal starting points is a single crystal area, the channel portion of the active layer is disposed in the single crystal area, and the gate is provided with in a direction perpendicular to the base and covers only one row of the two rows of single crystal particles.Type: ApplicationFiled: November 30, 2023Publication date: May 1, 2025Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Zhuang LI, Chunpeng ZHANG, Fei AI, Jianfeng YUAN, Zhifu LI
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Publication number: 20250143059Abstract: The disclosure discloses a backlight module and a display device including the same. The backlight module includes a substrate, a light source assembly disposed on the substrate and including a plurality of light-emitting chips disposed at intervals, and a light guide plate disposed on the light source assembly. A surface of the light guide plate facing the substrate is provided with a plurality of grooves where one of the light-emitting chips is correspondingly disposed in one of the grooves, a bottom of each of the grooves is provided with a plurality of first concave parts disposed at intervals, and each of the first concave parts is defined with an arc surface recessed towards a direction away from the substrate.Type: ApplicationFiled: March 24, 2023Publication date: May 1, 2025Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Fu LI, Yan CHENG
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Publication number: 20250143105Abstract: The present disclosure provides display panels and display devices. There is at least one first connection line including a plurality of first connection segments each extending along a first direction, a plurality of second connection segments each extending along the first direction, and a plurality of third connection segments each extending along a second direction. The plurality of first connection segments and the plurality of second connection segments are alternately and staggered along the first direction. The first connection segment and one adjacent second connection segment are connected to both sides of one third connection segment in the first direction.Type: ApplicationFiled: November 2, 2023Publication date: May 1, 2025Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Minchen DU, Songpo XIANG, Shaojing WU
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Patent number: 12285126Abstract: A storage shelving plate and a storage shelving system. The storage shelving system comprises a storage component which comprises a supporting frame and a net frame. The net frame is disposed on the supporting frame. The storage shelving system further includes a storage shelving plate. The storage shelving plate includes a mounting member, and the storage shelving plate can be disposed on the storage component via the mounting member.Type: GrantFiled: March 23, 2021Date of Patent: April 29, 2025Assignee: HANGZHOU GREAT STAR INDUSTRIAL CO., LTD.Inventor: Yueming Li
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Patent number: 12289957Abstract: A display panel and a manufacturing method are provided. The present disclosure can reduce process steps of the display panel by disposing a first source electrode and a first drain electrode of a low temperature polysilicon thin film transistor and a second source electrode and a second drain electrode of an oxide thin film transistor in a same layer. Therefore, stability of the oxide thin film transistor can be improved, a channel length of the oxide thin film transistor can be shortened correspondingly, resolution of the display panel can be improved, and a thickness of the display panel can be reduced.Type: GrantFiled: May 27, 2021Date of Patent: April 29, 2025Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Macai Lu
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Patent number: 12289845Abstract: A supporting plate and a foldable display device are provided. The supporting plate includes at least one bending region and non-bending regions. The bending region includes two semi-bending regions bent symmetrically along a bending axis. Any of the semi-bending regions includes an internally bending region and an externally bending region. The internally bending region is located on an end away from the non-bending regions. The externally bending region is located on an end close to the non-bending regions and has a bending direction opposite to the internally bending region. The semi-bending regions include a plurality of openings spaced apart. A distribution density of the openings in the internally bending region is greater than a distribution density of the openings in the externally bending region.Type: GrantFiled: February 29, 2024Date of Patent: April 29, 2025Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Yafei Fu, Yapeng Cheng
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Patent number: 12289956Abstract: The present application provides a display panel and a manufacturing method thereof. The display panel includes a substrate, a light emitting a device layer, and a viewing angle adjustment film. The light emitting device layer comprises a first viewing angle curve, a film thickness of the light emitting device layer is a film thickness corresponding to a light emission efficiency maximum value point of the first viewing angle curve. The viewing angle adjustment film is configured to adjust the light emission efficiency maximum value point from a side viewing angle to a main viewing angle and obtain a second viewing angle curve to obtain a large viewing angle under a prerequisite without lowering a front viewing angle light emission brightness.Type: GrantFiled: March 2, 2022Date of Patent: April 29, 2025Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Zhiyuan Yin, Lixuan Chen, Xiaosa Gao
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Patent number: 12289907Abstract: The present disclosure provides a vertical inverter and a semiconductor device including the vertical inverter, and the vertical inverter includes an insulation substrate, a first thin film transistor, and a second thin film transistor. By a layered arrangement of the first and second thin film transistors of the vertical inverter, more thin film transistors can be arranged within the limited space, so that the integration degree of the thin film transistors in the semiconductor device can be improved.Type: GrantFiled: August 30, 2022Date of Patent: April 29, 2025Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Fei Al, Dewei Song
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Patent number: 12285149Abstract: A cleaning robot includes a housing and a roller brush. The housing is provided with a mounting cavity with an opening at its bottom. The roller brush is rotatably arranged in the mounting cavity and at least part of the roller brush is extended out of the mounting cavity. At least part of the cavity wall is transparent to form a transparent area, and a viewing area is set at a position of the housing and above the transparent area. The closed observation space is formed in the housing, and the observation space communicated with the viewing area and the transparent area, so that the user can observe the working condition of the roller brush inside the mounting cavity.Type: GrantFiled: August 29, 2022Date of Patent: April 29, 2025Assignee: Shenzhen Silver Star Intelligent Group Co., Ltd.Inventors: Chaozheng Liao, Lirong Ye
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Patent number: 12288718Abstract: A separating device and a method of separation are disclosed. The separating device and the method of separation are for separating a flexible substrate fixed on a carrier substrate having a first divided area and a second divided area, the flexible substrate includes an effective area defined corresponding to the first divided area and an ineffective area defined corresponding to the second divided area. The separating device comprises: a movable platen, for raising the second divided area, thereby partially separating the carrier substrate from the flexible substrate, and thereby forming a slit; a separating sheet, for separating the flexible substrate along the slit, thereby separating the effective area of the flexible substrate from the first divided area of the carrier substrate; and a suction head, for removing the separated flexible substrate from the carrier substrate.Type: GrantFiled: December 30, 2020Date of Patent: April 29, 2025Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Kaijun Wang
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Patent number: 12288537Abstract: A display device and a driving method thereof are provided. Driving current intervals from small to large are input to a plurality of horizontal display areas from being close to a source driver to far away from the source driver to realize a driving ability from small to large for the plurality of horizontal display areas. This solves a problem of gradual decrease in brightness caused by gradually increasing capacitive resistance loads of the plurality of horizontal display areas from being close to the source driver to far away from the source driver, so as to reduce brightness difference between the plurality of horizontal display areas. Therefore, the brightness of each horizontal display area is basically the same, and a display panel is prevented from displaying unevenness.Type: GrantFiled: July 16, 2021Date of Patent: April 29, 2025Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventor: Wenfang Li
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Patent number: 12289977Abstract: A display panel, a method of manufacturing a display panel, and a display terminal are provided. Each of the light-emitting device includes a first electrode and a second electrode; the auxiliary wiring comprises a composite metal layer structure, side opening of the auxiliary wiring form an undercut structure, and the second electrode extends into the groove and electrically connects with the auxiliary wire by contacting a portion of metal layers in the undercut. The implementation of the present application can achieve electrical connection between the second electrode of the light-emitting device and the auxiliary wiring without additional manufacturing processes or photomasks.Type: GrantFiled: September 26, 2021Date of Patent: April 29, 2025Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Jia Tang
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Patent number: 12285268Abstract: Described herein are apparatuses and methods for measuring a hydration condition with a wearable device. The wearable device may include a housing, a flume integrated into inro the housing, and a sensor array. The housing may include a perimeter wall disposed around a perimeter of the housing between a top wall and a bottom wall, where the top wall, bottom wall, and perimeter wall form an inner cavity. The flume may be disposed in the inner cavity, where a first end of the flume is disposed at the bottom wall and a second end of the flume is disposed at the top wall. The sensor array may include a first vapor pressure sensor located within the flume at a first location and a second vapor pressure sensor located within the flume at a second location.Type: GrantFiled: November 4, 2020Date of Patent: April 29, 2025Assignee: JRE Star Investment Holdings, LLCInventors: David R. Miller, Devin W. Miller
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Patent number: 12288505Abstract: A driving circuit, a display panel, and a driving method thereof are disclosed. The driving circuit includes a light-emitting module, a data signal writing module, and a control module. The light-emitting module emits light under a driving current. The data signal writing module is connected to the light-emitting module and configured to control a magnitude of the driving current. The control module is electrically connected to the data signal writing module and the light-emitting module. The control module is configured to control a light-emitting time of the light-emitting module under a control of a light-emitting time control signal.Type: GrantFiled: May 17, 2022Date of Patent: April 29, 2025Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Wenxue Huo
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Patent number: 12287550Abstract: The present application provides an array substrate and a display panel. By arranging an auxiliary electrode in a second electrode layer that is in a different layer from the pixel electrode, an aperture ratio of a pixel can be increased. In addition to that, a capacity of the storage capacitor can be increased, thereby solving a problem that the display panel is prone to flickering.Type: GrantFiled: May 13, 2022Date of Patent: April 29, 2025Assignee: Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., LTD.Inventor: Xiaobin Hu
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Patent number: 12287555Abstract: A photosensitive device and a display panel are provided. The photosensitive device includes a substrate and a photosensitive functional layer. The photosensitive functional layer includes a thin film transistor layer and a quantum dot layer. The quantum dot layer is configured to emit an excitation light under an excitation of an external light. A photo-generated current efficiency of the photosensitive device can be improved, and stability and versatility of the photosensitive device can also be improved.Type: GrantFiled: December 14, 2020Date of Patent: April 29, 2025Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Haijun Wang, Xin Zhang, Miao Jiang, Jiangbo Yao