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: 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: 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: 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: 12292650Abstract: At least one embodiment of the present disclosure provides a display module, a splicing screen and a display device, the display module includes: a backlight module and a display component, the backlight module includes a middle frame, and an edge of the middle frame is provided with a support part that is detachable; an edge of the display component is adhesively bonded to the support part through a first adhesive, and the support part is configured to support the display component, the support part can be quickly disassembled from the middle frame through an independent structural design, such that the reworkability of the display module can be greatly improved without affecting the display component, so as to reduce production cost.Type: GrantFiled: May 31, 2022Date of Patent: May 6, 2025Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhaoshou Tian, Dan Li, Qingshan Qu, Shanlei Hou, Hongbo Feng, Haijun Shi, Bochang Wang
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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: 12293710Abstract: The present disclosure discloses a pixel circuit and a display panel. The pixel circuit includes a driving transistor, a storage capacitor, a first transistor, and a second transistor. By configuring the first transistor as a dual-gate dual-channel type thin film transistor, so that when a source of the driving transistor is compensated through the first transistor and the storage capacitor by a data signal, a source potential of the driving transistor may be quickly increased to a preset potential in a short time.Type: GrantFiled: June 7, 2022Date of Patent: May 6, 2025Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Shuang Jin
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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: 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: 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: 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: 12293733Abstract: A drive method for a display panel (100) includes: obtaining display data corresponding to a current display frame, and a current refresh rate (S10); determining a target rate level corresponding to the current refresh rate according to the current refresh rate and prestored rate levels corresponding one-to-one to different refresh rate intervals (S20); and controlling sub-pixels in the display panel (100) to be charged with a data voltage according to the target rate level and the display data (S30).Type: GrantFiled: May 25, 2022Date of Patent: May 6, 2025Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Huiming Wang, Liugang Zhou, Chunyang Nie, Wenlong Feng, Yue Yang, Jianwei Sun, Heng Zhang
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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: 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: 12292766Abstract: A display module and a display device are provided. A curved display area of the display module includes a corner area and an edge area. The display module includes display panel and a supporting component. The display panel includes a display function part and a bonding part. The supporting part includes a first backplate and a second backplate. The first backplate includes a first unit disposed in the corner area. A thickness of the first unit is greater than a thickness of the second backplate.Type: GrantFiled: August 30, 2022Date of Patent: May 6, 2025Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Yongzhen Jia, Junqiang Pei
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Patent number: 12293035Abstract: A touch substrate includes a first layer wiring group and a second layer wiring group that are located in a peripheral region. The first layer wiring group includes a plurality of first wirings, the second layer wiring group includes a plurality of second wirings, and a square resistance of a first wiring is greater than a square resistance of a second wiring. The peripheral region includes a first wiring region provided with at least one first-type touch lead therein and a second wiring region provided with at least one second-type touch lead therein. Each first-type touch lead includes a first wiring and a second wiring that are connected to each other and whose orthographic projections on the touch substrate are overlapped. Each second-type touch lead includes a second wiring or a first wiring. A length of the first-type touch lead is greater than a length of the second-type touch lead.Type: GrantFiled: May 17, 2022Date of Patent: May 6, 2025Assignees: CHONGQING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTDInventors: Chao Zeng, Shouqiang Zhang, Rui Wang, Weishu Wen, Xinghua Cui, Yifan Liu
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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: 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: 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: 12293718Abstract: A pixel drive circuit includes a light-emitting device electrically connected to a first power supply terminal and a second power supply terminal; a drive transistor having a gate electrically connected to a first node and a source and a drain electrically connected to second and third nodes; a first light-emitting control transistor having a source and a drain electrically connected to the first power supply terminal and the second node, and a gate configured to receive a first light-emitting control signal; and a second light-emitting control transistor having a source and a drain electrically connected to the third node and the light-emitting device, and a gate configured to receive a second light-emitting control signal. The first light-emitting control transistor is configured to transmit a first voltage signal supplied from the first power supply terminal to the second and third nodes at a node setting stage.Type: GrantFiled: November 29, 2023Date of Patent: May 6, 2025Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Weigao Cheng