Patents Assigned to HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD.
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Patent number: 12272325Abstract: An embodiment of the present application discloses a driving method of a display device and a display device. The driving method includes driving steps: step S100: acquiring a first image information and a second image information; step S200: determining whether the current frame image belongs to a dynamic image; step S300: determining whether the current frame image is a heavy load image according to the image information of the current frame image in the dynamic image; and step S400: performing a grayscale energy-saving driving on a corresponding heavy load sub-pixel according to the image information of the heavy load image.Type: GrantFiled: October 13, 2021Date of Patent: April 8, 2025Assignees: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Baojun Wang
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Patent number: 12272328Abstract: This application discloses a pixel driving architecture, a display panel, and a display device. The pixel driving architecture uses three hybrid inversion modes of column inversion, one-plus-two-line point inversion, and two-line point inversion to drive the display panel. This improves the subjective vertical flicker brought about when the Strip architecture is driven by the driving mode of column inversion alone, and compared with the one-plus-two-line point inversion or two-line point inversion driving mode, the charging effect of the panel is better, and can make the twill disappear.Type: GrantFiled: July 22, 2021Date of Patent: April 8, 2025Assignees: Huizhou China Star Optoelectronics Display Co., Ltd., TCL China Star Optoelectronics Technology Co., Ltd.Inventor: Xiaoping Zheng
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Patent number: 12268080Abstract: A packaging structure and a display panel are provided. The packaging structure includes a first inorganic layer, a first protrusion-recess structure, and a second inorganic layer. The first protrusion-recess structure is formed on the first inorganic layer. The second inorganic layer covers the first inorganic layer and the first protrusion-recess structure. A refractive index of the first protrusion-recess structure is less than a refractive index of the second inorganic layer, or the refractive index of the first protrusion-recess structure is greater than the refractive index of the second inorganic layer.Type: GrantFiled: September 29, 2021Date of Patent: April 1, 2025Assignees: Huizhou China Star Optoelectronics Display Co., Ltd., Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Lixuan Chen
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Publication number: 20250104595Abstract: The present disclosure provides display panels and compensation methods thereof, and devices for generating compensation grayscales. The compensation method includes: obtaining a first compensation grayscale of first subpixels included in a first display portion and a second compensation grayscale of second subpixels included in a second display portion corresponding to a first original grayscale, where the first compensation grayscale and the second compensation grayscale are respectively determined by a second brightness of the second subpixels and a first brightness of the first subpixels under the first original grayscale; and controlling a first part of the first subpixels and a first part of the second subpixels to emit light under the first original grayscale, controlling a second part of the first subpixels and a second part of the second subpixels to emit light respectively under the first compensation grayscale and the second compensation grayscale.Type: ApplicationFiled: September 22, 2023Publication date: March 27, 2025Applicants: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Shuming CHANG
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Publication number: 20250095601Abstract: According to the data driver and the display device provided in the present application, the control module obtains the frequency value of image data according to the image data and outputs the control signal from the plurality of first output terminals according to the frequency value so that the recovery module recovers the clock signal corresponding to the image data under control of the control signal. By outputting the clock signal having corresponding data rate through the frequency value of the image data, an adaptive data rate function can be realized, and a wider data rate range can be realized.Type: ApplicationFiled: October 7, 2023Publication date: March 20, 2025Applicants: Huizhou China Star Optoelectronics Display Co., Ltd., TCL China Star Optoelectronics Technology Co., Ltd.Inventors: Qingsheng LAN, Weifeng CHEN
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Publication number: 20250095542Abstract: A light-emitting diode (LED) driving chip and a light-emitting substrate are provided. The LED driving chip includes a multiplexing pin for outputting a multiplexed signal. The multiplexed signal includes at least two of power information, data information, and clock information. The power information is configured to provide an operating voltage to the LED driving chip. The data information is configured to provide data signals to the LED driving chip. The clock information is configured to provide clock signals to the LED driving chip. This reduces the number of pins on the LED driving chip.Type: ApplicationFiled: March 31, 2023Publication date: March 20, 2025Applicants: Huizhou China Star Optoelectronics Display Co., Ltd., TCL China Star Optoelectronics Technology Co., Ltd.Inventor: Jinfeng LIU
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Publication number: 20250085469Abstract: The present application provides a prism sheet and a display module. The prism sheet includes a base layer and a plurality of prisms arranged on the base layer. The prism sheet is divided into a middle region and edge regions. By making the vertex angles of the portions of the prisms in the middle region smaller than the vertex angles in the edge regions, it may be possible to improve the brightness of the backlight module in the display module and optimize the horizontal viewing angle of the display module.Type: ApplicationFiled: September 14, 2023Publication date: March 13, 2025Applicant: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD.Inventors: Yuqing GENG, Fen CAO, Guofeng KUANG, Xinyu WANG
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Publication number: 20250087176Abstract: A method for adjusting grayscales of a display panel and a display panel, wherein firstly obtaining a reference brightness corresponding to each original grayscale according to each original grayscale, then filtering an initial dataset to obtain a preliminary dataset, calculating a weight of a preset brightness according to a front-viewing weight and the reference brightness, and finally selecting a group of grayscale data corresponding to the preset brightness with the smallest weight as a target high grayscale and a target low grayscale. The present disclosure can increase visual angles of the display panel and solve visual angle defects.Type: ApplicationFiled: October 12, 2023Publication date: March 13, 2025Applicants: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Xueqi TANG, Zhongbin WANG, Jhenwei HE, Yanxue WANG
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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: 20250087181Abstract: A driver and a display device are provided. The driver includes a reset latch module, a first clock signal output module, and a second clock signal output module. The reset latch module receives and latches a system reset signal to continuously output a reset signal for a predetermined period of time, so that the reset signal can be completely output to the first clock signal output module and the second clock signal output module.Type: ApplicationFiled: October 11, 2023Publication date: March 13, 2025Applicants: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Weifeng CHEN
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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: 20250085596Abstract: The embodiment of the present disclosure is directed to a display panel, which includes a first substrate, a color film layer, a transparent conductive layer, a protective layer and a pixel electrode layer. The transparent conductive layer is provided with a hollow area that exposes the color film layer. The protective layer is arranged on the transparent conductive layer and covers the hollow area. The pixel electrode layer is disposed on the protective layer. The present disclosure can improve the problem of high reflectivity.Type: ApplicationFiled: October 8, 2023Publication date: March 13, 2025Applicants: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Jinming LIU
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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: 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: 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: 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: 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: 12232344Abstract: An electroluminescent device and a manufacturing method therefor are provided. The electroluminescent device includes an anode, a hole function layer, a quantum dot emission layer, an electron function layer, and a cathode that are sequentially stacked. The quantum dot emission layer is doped with a carrier transport material. The carrier transport material doped in the quantum dot emission layer not only can improve the conductivity of the quantum dot light emitting material and facilitate the injection and the transport of carriers, but also can increase the recombination probability of the carriers.Type: GrantFiled: November 8, 2021Date of Patent: February 18, 2025Assignees: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Jinhui Gong