Patents Assigned to TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
-
Publication number: 20250151468Abstract: Disclosed is a display panel. The display panel includes a substrate, first interlayer disposed on the substrate, and a light-emitting element layer disposed on one side of the first interlayer away from the substrate. A plurality of first convex portions are disposed on one side of the first interlayer away from the substrate. The light-emitting element layer includes a plurality of light-emitting elements disposed on the plurality of first convex portions. At least some of the plurality of light-emitting elements are disposed on side walls of the plurality of first convex portions. A light-emitting surface of each of the plurality of light-emitting elements extends in a first direction, an included angle formed between the first direction and a second direction is an acute angle, and the second direction is a direction in which the substrate points towards the first interlayer.Type: ApplicationFiled: November 20, 2023Publication date: May 8, 2025Applicants: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., South China University of TechnologyInventors: Jiangbo YAO, Junbiao PENG, Changming XIANG, Rui ZHAO, Weiji ZHANG
-
Publication number: 20250151584Abstract: The present application provides a display module including a first display substrate and a second display substrate. The first display substrate includes a first substrate and a plurality of first light-emitting units. The plurality of first light-emitting units are disposed at intervals on the first substrate. The second display substrate is disposed on a backside of a light-emitting side of the first display substrate, and includes a second substrate and a plurality of second light-emitting units. The plurality of second light-emitting units are disposed at intervals on the second substrate, and are staggeredly disposed with the plurality of first light-emitting units, respectively. The display module has a high resolution.Type: ApplicationFiled: November 20, 2023Publication date: May 8, 2025Applicants: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., South China University of TechnologyInventors: Jiangbo YAO, Junbiao PENG, Changming XIANG, Rui ZHAO, Weiji ZHANG
-
Publication number: 20250149002Abstract: A display method used includes: obtaining a plurality of illuminating data corresponding to the plurality of backlight units, the plurality of illuminating data are configured for the plurality of backlight units to display a frame within a predetermined time period. The predetermined time period is divided to a plurality of sub-periods. Two of the sub-periods are not equal. The illuminating data includes sub-illuminating data corresponding to the sub-periods, and the sub-illuminating data correspond to data voltages of different voltage levels. When each of the plurality of the sub-periods begins, inputting a scan signal into the scan line to allow the plurality of backlight units to receive the plurality of sub-illuminating data.Type: ApplicationFiled: June 18, 2021Publication date: May 8, 2025Applicants: Huizhou China Star Optoelectronics Display Co., Ltd., TCL China Star Optoelectronics Technology Co., Ltd.Inventor: Jinfeng LIU
-
Publication number: 20250151498Abstract: 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: ApplicationFiled: January 9, 2025Publication date: May 8, 2025Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Zhengbo CUI, Hongzhao DENG, Jing LIU, Hao CHEN
-
Patent number: 12293734Abstract: A compensation method of a display panel includes controlling a first display part of a target panel to display a light load image based on a standard gamma curve, controlling a second display part of the target panel to display a heavy load image, acquiring a first brightness of a first color sub-pixels in an (N1+1)th row electrically connected to a first data line of the first display part, acquiring a second brightness of the first color sub-pixels in an (N2+1)th row of a first sub-display part of the second display part electrically connected to a second data line, and according to a difference between the first brightness and the second brightness, determining a first compensation data corresponding to the first gray scale and the second preset gray scale of at least the first color sub-pixels of the first sub-display part in the target panel.Type: GrantFiled: June 7, 2023Date of Patent: May 6, 2025Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Ling Xu, Qian Wang, Xinyi Kang, Kaiyong Yi, Yufeng Jin
-
Patent number: 12295106Abstract: A method of manufacturing circuits of a substrate of a display device is provided. The method includes aligning and attaching a mask with multiple slots to a circuit area of the substrate; printing a printing material in the slots of the mask using an inkjet printing technology, so that the printing material is attached to the circuit area; removing the mask from the substrate; and curing the printing material on the circuit area to form a plurality of the circuits.Type: GrantFiled: November 5, 2021Date of Patent: May 6, 2025Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Tong Deng
-
Patent number: 12292641Abstract: A display panel and a display terminal are provided. The display panel includes a first base plate and a second base plate disposed facing each other, and a liquid crystal layer disposed between the first base plate and the second base plate. The first base plate includes a color-changing matrix, and the color-changing matrix includes an electrochromic material. The second base plate includes a guide hole, and an orthographic projection of the guide hole on the first base plate is located in the color-changing matrix.Type: GrantFiled: September 7, 2021Date of Patent: May 6, 2025Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Hanting Tang
-
Patent number: 12293708Abstract: A pixel driving circuit proposed in the present application includes a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a capacitor and a light-emitting device. In the pixel driving circuit, a threshold-voltage compensation is performed on the first transistor, and this can efficiently improve attenuation of electric current of the light-emitting device caused by a drift of threshold voltage of a drive transistor, thereby improving stability of a display panel.Type: GrantFiled: May 31, 2021Date of Patent: May 6, 2025Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventor: Bin Liu
-
Patent number: 12294009Abstract: A display panel and a method for manufacturing the same are provided. The display panel includes a first bonding area and a second bonding area connected to the first bonding area. The display panel further includes a substrate and a bonding wiring layer. A thickness of a part of the substrate in the second bonding area is less than a thickness of a part of the substrate in the first bonding area. The bonding wiring layer is disposed on surfaces of the parts of the substrate in the first bonding area and the second bonding area. A side surface of the bonding wiring layer away from the first bonding area and a side surface of the substrate away from the first bonding area are located on a same plane.Type: GrantFiled: December 17, 2021Date of Patent: May 6, 2025Assignees: Huizhou China Star Optoelectronics Display Co., Ltd., TCL China Star Optoelectronics Technology Co., Ltd.Inventors: Bin Zhao, Juncheng Xiao, Xiaodan Lin
-
Patent number: 12293044Abstract: A touch structure and a touch display panel are disclosed. The touch structure includes a plurality of touch units, a plurality of touch row selection lines, and a plurality of touch column readout lines. One of the touch column readout lines is configured using one column of the touch units, and required touch signals can be read out using only N touch column readout lines. In addition, one of the touch row selection lines is electrically connected to one row of the touch units. Therefore, the required touch signals may be read row by row, thereby avoiding the ghosting.Type: GrantFiled: December 10, 2021Date of Patent: May 6, 2025Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventor: Zhitao Lu
-
Patent number: 12292645Abstract: Disclosed are a display panel and a method of manufacturing a display panel. The display panel includes an array substrate, a color film substrate disposed opposite to the array substrate, a liquid crystal layer disposed between the array substrate and the color film substrate, and a reflective layer disposed on a side of the array substrate facing the liquid crystal layer, wherein the reflective layer includes a plurality of first convex structures and a plurality of convex rings, and an outer peripheral edge of each of the first convex structures is surrounded by at least one of the convex rings.Type: GrantFiled: January 31, 2024Date of Patent: May 6, 2025Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Ying Lu, Yingchun Zhao, Wuguang Liu, Lixia Li
-
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
-
Publication number: 20250143153Abstract: The present disclosure provides a display panel and display device. The display panel comprises a drive substrate, a light-emitting device layer, an encapsulation layer, and an optical film layer. The light-emitting device layer is located on the drive substrate. The encapsulation layer covers the light-emitting device layer. The optical film layer is located on the encapsulation layer, and multiple openings are provided on the optical film layer. The color filter layer includes multiple color resistors, which are arranged within the opening. The refractive index of the optical film layer gradually decreases along a direction away from the encapsulation layer through the optical film layer.Type: ApplicationFiled: September 29, 2024Publication date: May 1, 2025Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Weiheng YANG
-
Publication number: 20250140158Abstract: A display panel and a display device are disclosed. The display panel includes a plurality of scan lines, a plurality of data lines, and a plurality of sub-pixels. Each of the scan lines is electrically connected to a row of the sub-pixels. The plurality of sub-pixels include a first pixel column and a second pixel column. The first pixel column and the second pixel column are arranged adjacent to each other. The first pixel column includes a plurality of first pixel units. The second pixel column includes a plurality of second pixel units. Each of the first pixel unit and the second pixel unit includes three sub-pixels, and colors of the three sub-pixels are different. At least two adjacent first pixel units and at least two adjacent second pixel units are electrically connected to a same data line.Type: ApplicationFiled: November 30, 2023Publication date: May 1, 2025Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Shuming CHANG, Yating WEN, Weisheng ZHENG, Yuning ZHANG, Qian WANG, Shijie DENG, Zhaoming LIANG, Fan CHEN
-
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
-
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
-
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
-
Patent number: 12283575Abstract: A display screen splicing method and a spliced display screen are provided. According to the display screen splicing method provided in the embodiments of the present disclosure, a first to-be-spliced panel is connected to a second to-be-spliced panel in a splicing area using conductive connecting portions. In addition, the conductive connecting portions are manufactured by inkjet printing to perform connection between the two adjacent to-be-spliced panels by using signals, so as to realize narrow-seam splicing. By means of the display screen splicing method provided in the embodiments of the present disclosure, the process is simplified, and the precision requirements for devices are reduced.Type: GrantFiled: December 13, 2021Date of Patent: April 22, 2025Assignees: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD, TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Zeke Zheng
-
Publication number: 20250124842Abstract: Gate driving circuits, display panels, and display devices are provided. The gate driving circuit includes cascaded gate driving units, each of which includes an input unit, an output unit, a reset control unit, and a pull-down holding unit. The input unit outputs a driving signal to a first node. The output unit outputs a scanning signal in response to the driving signal. The reset control unit outputs a reset control signal to a second node during a first period. The pull-down holding unit receives the reset control signal. The pull-down holding unit outputs a first voltage signal to the first node in response to the reset control signal to reset a potential of the first node during the first period, and outputs the first voltage signal to the first node to maintain the potential of the first node during a second period.Type: ApplicationFiled: November 30, 2023Publication date: April 17, 2025Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: DONGHUN LIM, Zelin YANG
-
Patent number: 12276885Abstract: An array substrate and a display panel are provided. The array substrate includes a substrate, and at least three pixel unit. The pixel unit includes at least one pixel group and at least three data line groups disposed on the substrate. Each pixel group includes six sub-pixels arranged at intervals in a first direction. Each sub-pixel includes at least one pixel electrode. The at least three data line groups include three data line groups. Each data line group corresponds to a pixel electrode of one sub-pixel. The data line group is located on one side of the pixel electrode which is adjacent to the substrate. Each data line group includes two data lines arranged at intervals in the first direction. The pixel electrode of each sub-pixel is electrically connected to one data line.Type: GrantFiled: October 10, 2023Date of Patent: April 15, 2025Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yoonsung Um, Shuang Wang, Jinming Liu, Fan Gao, Wu Cao, Hongyuan Xu, Chungching Hsieh