Patents Assigned to Display Technologies
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Publication number: 20250147376Abstract: Electronic paper display devices and manufacturing methods thereof are provided. The electronic paper display device includes an upper substrate, a lower substrate, and an electrophoretic display layer. A side of the upper substrate is provided with a first electrode layer thereon. A side of the lower substrate facing the first electrode layer is provided with a second electrode layer thereon. The first electrode layer and the second electrode layer are arranged opposite to each other at a preset interval. The electrophoretic display layer is disposed between the first electrode layer and the second electrode layer, and includes a color resistance layer and a black matrix. The black matrix has openings, the color resistance layer includes a plurality of color resistance blocks arranged corresponding to the openings. Each color resistance block is provided with a micro-cavity, and the micro-cavity is filled with electronic ink containing black and white particles.Type: ApplicationFiled: December 1, 2023Publication date: May 8, 2025Applicant: Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Ji LI, Wenliang HUANG
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Patent number: 12293716Abstract: Provided are a display panel, an integrated chip, and a display device. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a driving module and a data writing module. The driving module is configured to supply a driving current to the light-emitting element. The data writing module is configured to write a data signal into the driving module. An operating mode of the display panel includes a first mode and a second mode. The brightness of the display panel in the first mode is greater than the brightness of the display panel in the second mode. In the first mode, the data signal corresponding to the light-emitting element is black state voltage G01, and in the second mode, the data signal corresponding to the light-emitting element is black state voltage G02, where G01?G02.Type: GrantFiled: October 16, 2023Date of Patent: May 6, 2025Assignee: Xiamen Tianma Display Technology Co., Ltd.Inventor: Yuheng Zhang
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Patent number: 12293032Abstract: An array substrate, including: a base substrate, and a plurality of first signal lines, a plurality of second signal lines, a plurality of touch-control signal lines, a first transparent conductive layer and a second transparent conductive layer, which are arranged on the base substrate. The first transparent conductive layer and the second transparent conductive layer are located on the side of the touch-control signal lines that is away from the base substrate. The touch-control signal lines are connected to at least one touch-control sensing block, which includes a plurality of touch-control electrodes connected to each other and spaced apart from each other; and the first transparent conductive layer or the second transparent conductive layer includes the plurality of touch-control electrodes. The plurality of first signal lines and the plurality of second signal lines intersect to form a plurality of sub-pixel regions, which include opening regions.Type: GrantFiled: November 11, 2021Date of Patent: May 6, 2025Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Qiujie Su, Xiaofeng Yin, Dongchuan Chen, Yanping Liao, Seungmin Lee, Xibin Shao
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Patent number: 12295239Abstract: The invention provides a flexible display panel and a flexible display device. The flexible display panel includes: a substrate, an auxiliary cathode provided on the substrate, an separation layer disposed on the substrate and the auxiliary cathode and defining a first opening to expose the auxiliary cathode, a passivation layer disposed on the separation layer and extending into the first opening as an undercut structure, an auxiliary anode arranged in the first opening and connected to the auxiliary cathode, and a cathode layer arranged on the auxiliary anode with a left end and a right end respectively connected with the auxiliary anode.Type: GrantFiled: December 9, 2021Date of Patent: May 6, 2025Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Shijian Qin, Wanliang Zhou
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Patent number: 12292654Abstract: Provided is a liquid crystal display device that can achieve high-speed response in both rise time and fall time and has a high transmittance, a high contrast ratio, and excellent viewing angle characteristics. The liquid crystal display device provides color display using a field sequential driving system where each frame period includes subframe periods and includes: a liquid crystal display panel; a light source that irradiates the liquid crystal display panel with lights of multiple colors; and a controller that drives the light source to time-divisionally irradiate the liquid crystal display panel with the lights of multiple colors. The liquid crystal display panel includes, sequentially in the following order: a first substrate including pixel electrodes; a first alignment film; a liquid crystal layer; a second alignment film; and a second substrate including a common electrode.Type: GrantFiled: April 12, 2023Date of Patent: May 6, 2025Assignee: Sharp Display Technology CorporationInventors: Shinichi Terashita, Kouichi Watanabe, Fumikazu Shimoshikiryoh
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Patent number: 12295172Abstract: A display panel and a display device are provided. The display panel includes a driving backplane and a plurality of display components arranged in an array and on the driving backplane, and each of the display components includes a plurality of first bonding terminals and a plurality of signal lines, and each of the display components is electrically connected to the driving backplane through the plurality of first bonding terminals, and each of the signal lines is electrically connected to the corresponding first bonding terminal, respectively, to alleviate the technical problem that relatively larger splicing gaps exist at the splicing sites of the current super-large display screen.Type: GrantFiled: November 11, 2021Date of Patent: May 6, 2025Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Can Huang, Wenxu Xianyu, Chunpeng Zhang, Tiyao Ma
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Patent number: 12293045Abstract: A touch display panel and an electronic terminal are disclosed in the present application, including a first conductive layer and a second conductive layer of different layers, and an insulation layer is arranged between the first conductive layer and the second conductive layer. The first conductive layer includes a plurality of touch electrodes arranged along a first direction and a second direction. The second conductive layer includes a first touch lead and a first auxiliary structure both overlapped with a first touch electrode in the plurality of touch electrodes. The first auxiliary structure is located on at least one side of the first touch lead.Type: GrantFiled: July 5, 2022Date of Patent: May 6, 2025Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Shengrong Yu, Liang Ma
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Patent number: 12292633Abstract: The present disclosure provides a display device. The display device includes: a display panel including an display area and a peripheral area surrounding the display area; a backlight module at a light incident side of the display panel; where the backlight module includes a backplane, a light guide plate and a plurality of light strips, the backplane includes a first polygonal bottom plate, and a plurality of first side plates connected to the first bottom plate at an edge of the first bottom plate, the light guide plate is located between the first bottom plate and the display panel, and the light strips are located between the first side plates and the light guide plate; and an assembly frame assembled to the display panel and the backlight module at an edge of the display panel and an edge of the backlight module.Type: GrantFiled: May 10, 2022Date of Patent: May 6, 2025Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Miao Liu, Huiyan Li, Fuxue Liang, Yu Zhang, Xuefei Qin, Zhuolong Li, Liang Bo, Lulu Wang, Shixin Geng, Fan Yang, Jingrui Ren
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Patent number: 12293705Abstract: Disclosed are a pixel compensation circuit, a drive method thereof, and a display panel. The pixel compensation circuit includes a drive transistor, a data write module, a first initialization module, a second initialization module, a storage capacitor, and a light-emitting device. The drive timing of the pixel compensation circuit includes a threshold voltage compensation stage in which a detected threshold voltage of the drive transistor is less than an actual threshold voltage of the drive transistor.Type: GrantFiled: November 15, 2023Date of Patent: May 6, 2025Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Yuwen Chen, Zhongzhi Shen
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Patent number: 12293726Abstract: The present application provides a gate driving circuit and a display device including a pull-up module, an isolation module, a pull-down maintaining module, and an inverting module. A coupling effect of an electric potential variation of a first node on an electric potential of a second node is blocked by providing the isolation module. Therefore, in a case that a clock signal fluctuates so that the electric potential of the first node fluctuates, that a change of the electric potential of the first node spreads to the electric potential of the second node is blocked, and the electric potential of the second node is stabilized. A failure of the gate driving circuit is improved.Type: GrantFiled: September 18, 2023Date of Patent: May 6, 2025Assignee: Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Minghu Deng
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Patent number: 12292647Abstract: A displaying module and a method for manufacturing the same, and a displaying, device, which relates to the technical field of displaying. The displaying module includes a liquid-crystal display panel, an adhering layer and an optical film that are arranged in layer configuration; the adhering layer is disposed between a shadow surface of the liquid-crystal display panel and the optical film, and is configured for adhesively bonding the liquid-crystal display panel and the optical film; and an orthographic projection of the adhering layer on the liquid-crystal display panel covers at least an active area of the liquid-crystal display panel, and an orthographic projection of the optical film on the liquid-crystal display panel covers at least the active area of the liquid-crystal display panel.Type: GrantFiled: March 23, 2022Date of Patent: May 6, 2025Assignees: Hefei BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chaoyue Wang, Jianming Liu, Xunwang Yu, Wenbo Dong, Wei Kang, Huiming Wang, Xinyue He, Peng Zhao
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Patent number: 12292642Abstract: The present disclosure provides a display panel and a manufacturing method therefor, and a display apparatus, which relate to the technical field of displaying. The display panel includes a first base plate and a second base plate which are aligned with each other; the first base plate includes a first substrate and a thin film transistor; the thin film transistor includes an active layer; an optical adjustment layer is disposed on the second base plate; an orthographic projection of the optical adjustment layer on the first substrate overlaps with an orthographic projection of the active layer on the first substrate. That is, the optical adjustment layer corresponds to the active layer. In a laminating direction of the display panel, the existence of the optical adjustment layer with a certain height enables a reflecting surface of the second base plate to be closer to the first base plate.Type: GrantFiled: September 17, 2021Date of Patent: May 6, 2025Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yingying Qu, Lingdan Bo, Ting Dong, Jianhua Huang, Qiujie Su, Dongchuan Chen, Yanping Liao, Seungmin Lee, Jiantao Liu, Yue Yang
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Patent number: 12293736Abstract: Disclosed are a driving method of a display panel and a display device. The driving method of the display panel includes: obtaining display data of a current display frame (S100); and inputting a data voltage to a data line according to the display data, so that the corresponding data voltages are charged into sub-pixels electrically connected to the data line (S200), where the data voltages inputted on the data line are divided into a plurality of voltage groups, each voltage group includes at least two adjacent data voltages, the polarities corresponding to the data voltages in a same voltage group are the same, the polarities corresponding to the data voltages of the two adjacent voltage groups inputted into a same data line are different, and the polarities of the corresponding voltage groups on the two adjacent data lines are different.Type: GrantFiled: September 20, 2022Date of Patent: May 6, 2025Assignees: Hefei BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Liugang Zhou, Huiming Wang, Jianwei Sun, Jun Wang, Yunyun Liang, Qing Li, Yu Quan, Yanting Huang, Yunlu Chen, Zhengru Pan
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Patent number: 12295234Abstract: A display substrate includes a base substrate, a pixel definition layer, an isolation layer, and an isolated layer. The pixel definition layer includes pixel openings penetrating through the pixel definition layer. The isolation layer is not overlapping with the pixel openings. The isolation layer includes a first isolation portion and a second isolation portion. A slope angle formed by at least one side edge and a bottom edge in a cross section of the second isolation portion is an obtuse angle. There is a gap between the first isolation portion and the second isolation portion at the obtuse angle. The isolated layer includes a first isolated portion covering the isolation layer, and a second isolated portion and a third isolated portion on both sides of the first isolation portion respectively. The thickness of the first isolation portion is larger than the thickness of the isolated layer.Type: GrantFiled: January 5, 2021Date of Patent: May 6, 2025Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Chuanxiang Xu, Shi Shu, Qi Yao, Guangcai Yuan, Haitao Huang, Yong Yu, Yang Yue, Zhongyuan Sun
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Patent number: 12293730Abstract: A display panel and a display device are provided. The display panel includes a first substrate; a light-emitting layer; and a light modulation layer. The light-emitting layer is located between the first substrate and the light modulation layer; the light modulation layer includes a first light modulation layer and a second light modulation layer; the light-emitting layer includes at least one light-emitting element; the first light modulation layer includes at least one first opening; an orthographic projection of the first opening on the first substrate overlaps an orthographic projection of the light-emitting element on the first substrate; the second light modulation layer covers the first opening; and a refractive index of the second light modulation layer is greater than a refractive index of the first light modulation layer.Type: GrantFiled: June 22, 2023Date of Patent: May 6, 2025Assignee: Xiamen Tianma Display Technology Co., Ltd.Inventors: Shui He, Jinjin Yang, Jiansheng Zhong, Qiaoling Zhong, Ying Liu, Shanshan Zheng
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Patent number: 12293685Abstract: A splicing assembly and a splicing display screen are disclosed. A first adjustment module includes a first support block and a first support pillar. The first support block is slidably connected to a support frame along a first direction. The first support pillar passes through the first support block and a connecting plate in sequence along a second direction. The first support pillar is screwed with the first support block, and the connecting plate is hung on the first support pillar. An adjusting part passes through the connecting plate along a third direction and abuts against the first support pillar, and the adjusting part is screwed with the connecting plate.Type: GrantFiled: April 17, 2023Date of Patent: May 6, 2025Assignee: Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Ming Yan
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Patent number: 12293039Abstract: Embodiments of the present disclosure disclose a touch display panel, which includes a plurality of touch sub-units and a plurality of connection wires, wherein the plurality of touch sub-units include the touch sub-units extending in a first direction and a second direction, and two adjacent columns of the touch sub-units extending in the second direction are electrically connected via connection wires; in one of touch electrode repetition units, the connection wires distributed in the first direction are disposed in a misaligned manner in the second direction.Type: GrantFiled: August 3, 2021Date of Patent: May 6, 2025Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Chao Chen, Jian Ye, Simin Zhu
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Patent number: 12293704Abstract: The present application provides a pixel compensation circuit, a method of compensating pixel, and a display panel. The pixel compensation circuit includes a compensation transistor, a driving transistor, a reset transistor, a first switching transistor, a second switching transistor, a first capacitor, a second capacitor, and a light-emitting device. Compared with the pixel compensation circuit in prior art, the present application does not need to adopt a plurality of array substrate gate driving circuit to achieve compensation function. That is, the scanning signal lines adopted by the present application are less, which is convenient to achieve narrow bezel of display products.Type: GrantFiled: December 29, 2023Date of Patent: May 6, 2025Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Lijun Zhang
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Publication number: 20250142885Abstract: Display panels, methods of manufacturing a display panel, and display devices are provided. The display panel includes a substrate and a thin film transistor layer disposed on the substrate. The thin film transistor layer includes a gate, a gate insulating layer and an active layer; the gate is disposed on the substrate; the gate insulating layer is disposed on the substrate and covers the gate; and the active layer is disposed on a side of the gate insulating layer away from the gate. The gate insulating layer includes an electron suppressing layer at least covering a side of the gate away from the substrate and an electron blocking layer disposed on a side of the electron suppressing layer away from the gate, and a ratio of nitrogen to silicon in the electron suppressing layer is greater than 0.95.Type: ApplicationFiled: December 7, 2023Publication date: May 1, 2025Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Jincheng TAN, Zhongjie LIU
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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