Patents Assigned to TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
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Publication number: 20250085810Abstract: A display panel and a display device are provided. By means of a shielding structure with a floating potential provided over a projection of a sensing read line, when an electrical signal is transmitted on the sensing read line and a pixel data line, a shielding electric field will be formed between the shielding structure and the sensing read line. The presence of the shielding electric field can reduce capacitance between the sensing read line and adjacent pixel data line and effectively improve a signal-to-noise ratio during signal transmission.Type: ApplicationFiled: July 4, 2022Publication date: March 13, 2025Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Zhengqin LIAN, Ru LIAN, Lixia LI, Ying LU
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Publication number: 20250085536Abstract: The present application discloses a display system including a display device, a reflection device, and a receiving screen. The display device is configured to display multiple frames of a first image. The reflection device includes a reflection element. The reflection element is configured to reflect a first image. The receiving screen is configured to receive multiple frames of the first image reflected by the reflection element. Adjacent k frames of the first image are reflected to different locations of the receiving screen to form a frame of a second image. k is an integer greater than or equal to 2.Type: ApplicationFiled: September 4, 2023Publication date: March 13, 2025Applicants: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Liang ZHANG
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Publication number: 20250087132Abstract: A display driving method, a display driving device, and an electronic device. The display driving method includes: obtaining a voltage value of a power supply ground signal; obtaining a reference data enable signal and a data enable signal to be analyzed when the voltage value of the power supply ground signal is greater than or equal to an electrostatic discharge voltage threshold; adjusting the data enable signal to be analyzed according to the reference data enable signal to obtain a current frame data enable signal; and writing the current frame data enable signal to a timing controller.Type: ApplicationFiled: October 16, 2023Publication date: March 13, 2025Applicants: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Lin ZHU
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Publication number: 20250089369Abstract: A display panel is provided. Each driver group corresponds to one flip-chip film. In one driver group, gate driver circuit arrangement groups and data line arrangement groups are alternately arranged. A number of GOA units included in each gate driver circuit arrangement group is greater than 0 and less than or equal to 2, a number of data lines included in each data line arrangement group is greater than 0 and less than or equal to 3, and a difference in the number of the data lines of any two data line arrangement groups is less than or equal to 1.Type: ApplicationFiled: October 16, 2023Publication date: March 13, 2025Applicants: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Kaixuan YUAN, Mengmeng HU, Chenchen WU, Zhensong LIN
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Publication number: 20250087644Abstract: A manufacturing method of a display panel and a spliced display panel are provided, wherein the manufacturing method of a display panel includes the following steps: at least forming a silver nanowire layer on a lateral end surface of a substrate to be processed. An ultraviolet laser is used to sinter the silver nanowire layer. The silver nanowire layer is patterned to form multiple connection wires connected between the first connection terminal and the corresponding second connection terminal. The configuration prevents insufficiently tight or poor contact between silver nanowires.Type: ApplicationFiled: May 25, 2023Publication date: March 13, 2025Applicants: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Zhuhui LI, Yanfen LI
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Publication number: 20250087179Abstract: An array substrate and a display panel are provided. The array substrate includes a display area and a non-display located around the display area. The non-display area includes a GOA drive circuit region, a GOA busline region, a fan-out region, and a bonding region arranged successively in a direction away from the display area. The fan-out region includes at least one first GOA signal line group and multiple source fan-out line groups. The first GOA signal line group is arranged between an adjacent pair of the source fan-out line groups and includes at least multiple CK lines.Type: ApplicationFiled: October 11, 2023Publication date: March 13, 2025Applicants: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Kaixuan YUAN, Mengmeng HU, Wenying LI, Yi LI
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Publication number: 20250076698Abstract: The present application discloses a splicing display panel, and the splicing display panel includes at least one first display module and at least one second display module spliced with each other, and at least one third display module. The first display module includes a first display area and a first frame area disposed outside the first display area. The first display module includes a first substrate and a second substrate disposed opposite to the first substrate. The second substrate includes a first concave part, and the first concave part is located in the first frame area. The at least one third display module is disposed in the first concave part.Type: ApplicationFiled: July 29, 2022Publication date: March 6, 2025Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Changming Xiang
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Publication number: 20250078715Abstract: The present disclosure provides a display compensation method for a display panel, a method for generating a compensation data table, and a display device. A first display luminance corresponding to a first to-be-compensated sub-pixel set and a second display luminance corresponding to a second to-be-compensated sub-pixel set are respectively compensated by corresponding compensation data tables in different viewing angles. A plurality of first compensation data tables corresponding to the first viewing angle and a plurality of second compensation data tables corresponding to the second viewing angle are used to compensate for the first to-be-compensated sub-pixel set and the second to-be-compensated sub-pixel sets adjacent with each other.Type: ApplicationFiled: October 11, 2023Publication date: March 6, 2025Applicants: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Xinhong CHEN, Zhaopeng XU, Ling XU
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Publication number: 20250081703Abstract: A display device and a splice display device are provided. The display device includes a display panel and an optical element disposed on the display panel and covers the sub-display region. The display panel includes a main-pixel region positioned in the main-display region and arranged with a plurality of main-pixel units; and a sub-pixel region positioned in the sub-display region and arranged with a plurality of sub-pixel units. A region without pixel units is disposed between the main-pixel region and the sub-pixel region. The optical element is configured to amplify a light exit angle of the light emitted, reflected or transmitted by the display panel of the sub-display region. A central axis of the optical element along an extending direction thereof coincides with a central axis of the sub-pixel region along an extending direction thereof.Type: ApplicationFiled: November 14, 2024Publication date: March 6, 2025Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Guochuan HUANG
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Publication number: 20250078729Abstract: A driving method for a display panel, a pixel driving circuit, and a display panel are provided. An image to be displayed is divided into multiple consecutive display stages, a first control signal is provided for 1st to (N?1)-th subframes, a second control signal is provided for the N-th subframe, and different pixel data structures are obtained for different display stages. A first control signal is a pulse width modulation (PWM) signal, and a second control signal is a pulse amplitude modulation (PAM) signal. Accordingly, the display performance is effectively enhanced.Type: ApplicationFiled: July 19, 2023Publication date: March 6, 2025Applicants: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Mengxia YANG
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Publication number: 20250078775Abstract: The present application provides a display panel and a driving method thereof, electronic device, display panel includes data lines, a first sub-pixel and a second sub-pixel disposed adjacently and connected to a same one of the data lines. In a display stage of a first type frame, a second gate electrode driver unit connected to the second sub-pixel outputs a first effective scan signal to control the second sub-pixel to switch on and be loaded with a second data voltage to emit light, and a first gate electrode driver unit connected to the first sub-pixel controls the first sub-pixel to switch off.Type: ApplicationFiled: March 31, 2023Publication date: March 6, 2025Applicants: Huizhou China Star Optoelectronics Display Co., LTD., TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Shuming CHANG
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Publication number: 20250076542Abstract: A polarizer and a liquid crystal display device. The polarizer includes a hard coating including whiskers.Type: ApplicationFiled: June 25, 2023Publication date: March 6, 2025Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Wen WAN, Ji LI
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Publication number: 20250078723Abstract: The present application provides a display device and a driver. The display device includes a display panel and a driver, where the driver includes both a data signal output module and a resistance control module. The data signal output module outputs a plurality of data signals to a plurality of signal lines located in a fan-out region of the display panel. The resistance control module is electrically connected to the data signal output module and the plurality of signal lines to provide different line impedance for the plurality of data signals output by the data signal output module.Type: ApplicationFiled: October 11, 2023Publication date: March 6, 2025Applicants: Huizhou China Star Optoelectronics Display Co., Ltd., TCL China Star Optoelectronics Technology Co., Ltd.Inventor: Weifeng CHEN
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Patent number: 12235548Abstract: The present application provides a display panel, a manufacturing method thereof, and a display device. The display panel includes an upper substrate and a lower substrate that are arranged opposite to each other, a liquid crystal layer, a first electrode layer, and a second electrode layer, wherein the first electrode layer is disposed on a side of the upper substrate close to or away from the liquid crystal layer, the second electrode layer is disposed on a side of the upper substrate away from the first electrode layer, and the first electrode layer and the second electrode layer are electrically connected to each other.Type: GrantFiled: June 30, 2021Date of Patent: February 25, 2025Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Liang Li
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Patent number: 12235534Abstract: Embodiments of the present application provide a spliced display panel and a spliced display device. In the spliced display panel provided by the embodiments of the present application, a second display module is disposed on a non-display surface of a first display module and corresponding to a spliced region.Type: GrantFiled: April 13, 2022Date of Patent: February 25, 2025Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventors: Jun Zhao, Bin Zhao, Juncheng Xiao, Hongyuan Xu, Feng Zheng, Wenxue Huo
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Patent number: 12236844Abstract: The disclosure provides a pixel circuit, a pixel driving method, and a display device. The pixel circuit includes a driving module and a light emitting module. The light emitting module includes a first light emitting unit, a first light emitting element, a second light emitting unit, and a second light emitting element.Type: GrantFiled: March 22, 2022Date of Patent: February 25, 2025Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Jialong Li
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Patent number: 12237363Abstract: A light source module and a display device include a substrate configured to have a plurality of light-emitting regions arranged in an array manner, each light-emitting region is provided with two light-emitting groups, each light-emitting group includes a plurality of light-emitting branches arranged side by side, and two driving chips are disposed in parallel between the two light-emitting groups; and single-layer layout wiring arranged on the substrate, wherein the single-layer layout wiring couples the driving chips within the light-emitting regions to each other and electrically connects each of the driving chips to the light-emitting branches within one of the light-emitting groups.Type: GrantFiled: December 17, 2021Date of Patent: February 25, 2025Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventors: Zhengbo Cui, Hongzhao Deng, Jing Liu, Hao Chen
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Patent number: 12237338Abstract: An array substrate, a method for manufacturing an array substrate, and a display panel are provided. The array substrate includes a substrate and a thin film transistor layer arranged on the substrate. The thin film transistor layer includes a plurality of thin film transistors. The thin film transistors each include an active layer, a source/drain, a first gate, a second gate, and a first insulating layer. The first gate and the second gate are electrically connected through the through hole. The problems of difficulty in etching and excessively long etching time are avoided while reducing the gate resistance of the thin film transistor.Type: GrantFiled: August 30, 2021Date of Patent: February 25, 2025Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Zhixiong Jiang
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Patent number: 12237339Abstract: A display panel is provided, including a grounding signal wiring, driving chips, a driving chip input output signal wiring, and a power line. A grounding signal pin is connected to the grounding signal wiring. The driving chip input output signal wiring is configured to connect a stage-transfer signal input pin and a stage-transfer signal output pin of two adjacent driving chips. The grounding signal wiring, the driving chip input output signal wiring, and the power line are disposed in a same layer and do not intersect with each other.Type: GrantFiled: March 29, 2022Date of Patent: February 25, 2025Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Jing Liu, Hongzhao Deng, Zhengbo Cui, Hao Chen
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Patent number: 12236841Abstract: A pixel circuit and a display panel are provided. The pixel circuit includes a driving transistor T2 and a pulse width driving module. The pulse width driving module includes a display time control unit, an electrical potential modulation unit, and a Schmitt trigger. By connecting the Schmitt trigger in series between an output terminal of the electrical potential modulation unit and a control terminal of the display time control unit, the driving transistor T2 can be turned off more quickly, thereby accurately controlling the display time or light-emitting time of the pixel circuit.Type: GrantFiled: December 17, 2021Date of Patent: February 25, 2025Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventor: Jian Xu