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: 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: 12295221Abstract: A display panel and a display device are provided. An adhesive layer is disposed between an organic layer and an inorganic layer in a bonding area of the display panel, where a surface roughness of an adhesive layer material is greater than a surface roughness of an organic layer material and a surface roughness of an inorganic layer material. In addition, a plurality of concave-convex structures can be provided on a surface of the organic layer and/or a surface of the inorganic layer in contact with the adhesive layer to enhance interface bonding force. This can alleviate a problem that film layers are prone to peeling off when a flexible printed circuit (FPC) is bonded to the display panel in the prior art.Type: GrantFiled: March 26, 2021Date of Patent: May 6, 2025Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Yunti 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: 12295209Abstract: The present application discloses a display panel and a display device.Type: GrantFiled: July 5, 2022Date of Patent: May 6, 2025Assignee: XIAMEN TIANMA DISPLAY TECHNOLOGY CO., LTD.Inventors: Jieliang Li, Ping An
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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: 12295231Abstract: A display panel, a method for manufacturing the same, and a display terminal are provided. The display panel includes an array substrate, a light-emitting device layer, and a color resist layer. The light-emitting device layer is disposed on the array substrate and includes a red light-emitting device, a first blue light-emitting device, and a second blue light-emitting device. The color resist layer is disposed on the light-emitting device layer and includes a red color resist, a blue color resist, and a green color conversion unit. The red color resist is disposed corresponding to the red light-emitting device. The blue color resist is disposed corresponding to the first blue light-emitting device. The green color conversion unit is disposed corresponding to the second blue light-emitting device and is configured to convert a light emitted by the second blue light-emitting device into a green light.Type: GrantFiled: December 17, 2021Date of Patent: May 6, 2025Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Liang Sun, Chaoqun Yang
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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: 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: 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: 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: 12293701Abstract: A display panel and a display device are provided by the present application. A first part and a second part of part of a first scanning signal line are connected through a third part, and/or a fourth part and a fifth part of part of the first scanning signal line are connected through a sixth part, so that a load of a hole-digging area is similar or even consistent with a load of other areas, thereby improving a display effect.Type: GrantFiled: May 12, 2023Date of Patent: May 6, 2025Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Huanxi Zhang, Cheng Wang
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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: 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: 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: 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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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: 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: 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