Patents Assigned to MIANYANG BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
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Patent number: 12236871Abstract: A pixel circuit comprises a drive sub-circuit (101), writing sub-circuit (102), reset sub-circuit (103), voltage stabilizing sub-circuit (104), storage sub-circuit (105) and light emitting element. The drive sub-circuit is configured to provide a driving current to the light emitting element under control of signals of a first node (N1) and a second node (N2); the writing sub-circuit is configured to write a signal from a data signal terminal (Data) to N2 under control of signal of a scan signal terminal (Gate); the storage sub-circuit is configured to store a voltage of N1; the voltage stabilizing sub-circuit is configured to stabilize a voltage of an anode terminal of light emitting element through signal of a voltage stabilizing signal terminal (V1); the reset sub-circuit is configured to reset anode terminal of light emitting element under control of signal of Gate and reset N1 under control of signal of a reset control signal terminal (Reset).Type: GrantFiled: May 19, 2022Date of Patent: February 25, 2025Assignees: MIANYANG BOE OPTOELECTRONICS TECHNOLOGY CO., Ltd., BOE Technology Group Co., Ltd.Inventors: Yuan Shen, Lin Xiong, Jie Tu, Zifeng Wang, Danfeng Wang, Jianmin Fan, Qing Tang
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Patent number: 12232355Abstract: A display panel is provided. The display panel includes: a substrate, and a light-emitting device, an encapsulation layer and an auxiliary barrier which are disposed on the substrate. The light-emitting device is disposed in a display area, and the auxiliary barrier is disposed in a non-display area. A height of the auxiliary barrier is greater than a distance between a side of the encapsulation layer away from the substrate and the substrate.Type: GrantFiled: February 21, 2022Date of Patent: February 18, 2025Assignees: MIANYANG BOE OPTOELECTRONICS TECHNOLOGY CO., Ltd., BOE Technology Group Co., Ltd.Inventors: Tao Chen, Hsinju Ho, Honglei Hai, Fenggang Zhang
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Patent number: 12223894Abstract: A pixel driving circuit, a driving method thereof and a display panel are provided. The pixel driving circuit includes a driving transistor, a capacitor having two terminals connected to a first power terminal and a gate electrode of the driving transistor, and a light emitting device. The pixel driving circuit includes: a reset module; a data writing module; a threshold compensation module including a compensation transistor configured to electrically connect second and gate electrodes of the driving transistor together in the data writing phase; a light emitting control module including a first gating transistor configured to electrically connect the second electrode of the driving transistor and the light emitting device in the reset phase and disconnect the second electrode from the light emitting device in the data writing phase. The compensation transistor and the first gating transistor are oxide transistors, and the driving transistor is a low-temperature polysilicon transistor.Type: GrantFiled: October 29, 2021Date of Patent: February 11, 2025Assignees: MIANYANG BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yawei Zhu, Xin Cao, Zifeng Wang, Danfeng Wang, Haoyuan Fan
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Patent number: 12219796Abstract: A display substrate has an active area and a frame region located at at least one side of the active area. The display substrate includes a substrate, pixel units, at least one blocking dam and a first encapsulation layer. The pixel units is disposed on the substrate and located in the active area. The at least one blocking dam is disposed on the substrate and located in the frame area. The at least one blocking dam is provided with at least one groove on a surface thereof facing away from the substrate, a depth direction of the at least one groove is perpendicular to the substrate, and an extending direction of the at least one groove is substantially the same as an extending direction of the blocking dam provided with the at least one groove. The first encapsulation layer covers the at least one blocking dam.Type: GrantFiled: August 4, 2020Date of Patent: February 4, 2025Assignees: MIANYANG BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Bingwei Yang, Mingxing Li
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Patent number: 12211439Abstract: Provided is a display panel. The display panel includes a base substrate and a plurality of pixel circuits disposed on the base substrate. At least two pixel circuits in a same column are coupled with a same first initial power line, such that only a small quantity of signal lines need to be disposed on the base substrate.Type: GrantFiled: November 11, 2021Date of Patent: January 28, 2025Assignees: Mianyang BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Lin Xiong, Xin Cao, Jenyu Lee, Haoyuan Fan, Zifeng Wang, Jie Tu, Tianlong Zhao, Ming Lei, Yanchun Xie, Zongying Liu
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Patent number: 12210700Abstract: A display panel is provided. In a display region configured to display an image, the display panel includes a base substrate; thin film transistors and display elements on the base substrate; an encapsulating layer encapsulating the display elements; and a touch electrode layer including mesh electrodes on a side of the encapsulating layer away from the base substrate. Mesh electrode lines of the mesh electrodes have a first line width in at least the sub-region of the transition region, and a second line width in the display region, the first line width being greater than the second line width.Type: GrantFiled: March 6, 2024Date of Patent: January 28, 2025Assignees: Mianyang BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Bo Ruan, Lang Min, Guofeng Jia, Peng He, Shichao Ma, Chongxi Wei, Kemeng Tong
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Patent number: 12185480Abstract: The present disclosure relates to a flexible pad and a display device. The flexible pad includes a bottom surface; a contact curved surface opposite to the bottom surface, wherein the contact curved surface is configured to be bonded with a display panel; a first side surface; a second side surface opposite to the first side surface; a third side surface; and a fourth side surface opposite to the third side surface; wherein a preset connecting line direction between the first side surface and the second side surface is a first direction, and in the first direction, a distance between the third side surface and the fourth side surface gradually increases from a middle to two sides.Type: GrantFiled: September 27, 2021Date of Patent: December 31, 2024Assignees: MIANYANG BOE OPTOELECTRONICS TECHNOLOGY CO., Ltd., BOE Technology Group Co., Ltd.Inventors: Hongbing Zheng, Kangkang Wang, Mu Zeng, Kuan Zhao, Longli Sun, Bo Zhang
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Publication number: 20240407232Abstract: A display panel has a display region, an opening region, and an opening peripheral region; the opening peripheral region includes a first isolation region surrounding the opening region; the display panel includes a substrate, a driving circuit layer and first isolation columns; at least one insulating layer of the driving circuit layer is located in the display region and the opening peripheral region; the first isolation columns are disposed on the at least one layer of insulating layer and located in the first isolation region; each first isolation column surrounds the opening region; the first isolation columns are arranged at intervals along a radial direction of the opening region; a portion of the at least one insulating layer located between at least two adjacent first isolation columns is provided therein with a groove; and a filling layer made of an organic material is filled in the groove.Type: ApplicationFiled: March 11, 2022Publication date: December 5, 2024Applicants: MIANYANG BOE OPTOELECTRONICS TECHNOLOGY CO.,LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zongqiu HANG, Congzhen HAN, Zifeng WANG, Xin WU, Xiaoge WANG, Engan YE, Yongkai WU, Liting ZHANG, Gaoqiang WANG, Quanjun WANG, Huaqiang GUO, Wen SUN, Guoren HU
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Publication number: 20240321161Abstract: A driving module includes a first driving circuit and a first conversion circuit; n is a positive integer; the first driving circuit includes a plurality of stages of first driving sub-circuits; the first conversion circuit includes a plurality of first conversion sub-circuits; an nth stage of first driving sub-circuit outputs an nth stage of first driving signal; an (n?1)th stage of first driving sub-circuit outputs an (n?1)th stage of first driving signal; the nth first conversion sub-circuit is configured to control the nth stage of second driving signal output terminal to output the nth stage of second driving signal under the control of the (n?1)th stage of first driving signal and the nth stage of first driving signal according to the first voltage signal and the second voltage signal.Type: ApplicationFiled: May 19, 2022Publication date: September 26, 2024Applicants: MIANYANG BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventor: Lin ZHANG
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Patent number: 12096675Abstract: Provided is a display panel, including: a substrate including a display region and a peripheral region; a first dam; a planarization layer disposed within the first dam, wherein an edge of a first side of the planarization layer includes a first segment boundary and a second segment boundary that are connected; a packaging layer covering the planarization layer; and a touch layer disposed on the packaging layer, wherein the touch layer includes a touch electrode pattern and a touch signal line traveling through the first segment boundary; wherein the packaging layer includes an organic layer, and a distance between an edge of the organic layer, on a same side of the display region as the first side of the planarization layer, and the first segment boundary of the planarization layer is greater than a distance between the edge of the organic layer and the second segment boundary.Type: GrantFiled: July 5, 2023Date of Patent: September 17, 2024Assignees: Mianyang BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Li Zhu, Shijun Li
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Publication number: 20240292698Abstract: The display base plate includes a substrate and first subpixels, second subpixels, third subpixels and a group of spacers which are located on the substrate; one of the first subpixels are at least located at vertexes of the first virtual polygon, one of the second subpixels are at least located inside the first virtual polygon, and one of the third subpixels are located inside the first virtual polygon; and the group of spacers is disposed inside the first virtual polygon, and the group of spacers includes at least one main spacer and a plurality of auxiliary spacers; wherein an area where the main spacer is located and an area where the second virtual quadrilateral is located at least partially overlap, and the second virtual quadrilateral is located within a central area of the first virtual polygon.Type: ApplicationFiled: March 18, 2022Publication date: August 29, 2024Applicants: MIANYANG BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.Inventors: Miao Wang, Gaobo Ren, Zongqiu Hang, Xiaoge Wang, Zifeng Wang
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Publication number: 20240221666Abstract: A display panel, a method for driving the display panel and a display apparatus are provided. The display panel includes a light-emitting element and a pixel circuit, the pixel circuit includes: an enable signal terminal being a pulse width modulation signal, including a plurality of first active levels spaced in one frame light-emitting duration, a first inactive level being between two adjacent first active levels, where the enable signal is capable of driving the light-emitting element to emit light during a first active level period; a reset signal terminal including at least one second active level and one second inactive level in one frame light-emitting duration, the second active level being in a first inactive level period, and the first active level being in a second inactive level period, where the reset signal is capable of resetting the light-emitting device during a second active level period.Type: ApplicationFiled: March 7, 2022Publication date: July 4, 2024Applicants: Mianyang BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Chienyu CHEN, Tsanghong WANG, Xu GONG, Erlong SONG, Chunyang LI
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Publication number: 20240211064Abstract: A display panel is provided. In a display region configured to display an image, the display panel includes a base substrate; thin film transistors and display elements on the base substrate; an encapsulating layer encapsulating the display elements; and a touch electrode layer including mesh electrodes on a side of the encapsulating layer away from the base substrate. Mesh electrode lines of the mesh electrodes have a first line width in at least the sub-region of the transition region, and a second line width in the display region, the first line width being greater than the second line width.Type: ApplicationFiled: March 6, 2024Publication date: June 27, 2024Applicants: Mianyang BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Bo Ruan, Lang Min, Guofeng Jia, Peng He, Shichao Ma, Chongxi Wei, Kemeng Tong
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Patent number: 12016204Abstract: A display panel, a manufacturing method thereof and a display apparatus are provided. In some embodiments, the display panel includes a substrate, pixel structures in an array, a protruding ring, an encapsulation layer, and solid sealant. The substrate includes a predetermined hole region, first adjacent region surrounding the hole region, second adjacent region surrounding the first adjacent region, and a display region surrounding the second adjacent region and in which the pixel structures are located. The protruding ring is located in the second adjacent region. The encapsulation layer covers the pixel structures and sides of the protruding ring away from the substrate. The protruding ring and the encapsulation layer covering the protruding ring form a dam. The solid sealant fills the first adjacent region and the hole region enclosed by the dam and is provided with an opening configured to release stress generated by the solid sealant during full curing.Type: GrantFiled: June 11, 2021Date of Patent: June 18, 2024Assignees: MIANYANG BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.Inventors: Zerui Zhang, Jenyu Lee, Haoyuan Fan, Zifeng Wang, Qicheng Chen
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Patent number: 12001625Abstract: A touch panel, comprising: a substrate, a plurality of touch electrodes and a plurality of traces disposed on the substrate. At least one trace is connected to at least one touch electrode, and comprises a first conducting wire and a second conducting wire. A trace insulating layer is provided between the first and second conducting wires. The second conducting wire is connected to the first conducting wire by at least one via on the trace insulating layer. First conducting wires of at least two adjacent traces both have at least one break point, so that a first short circuit point between the first conducting wire is isolated from a corresponding second conducting wire; or, second conducting wires of at least two adjacent traces both have at least one break point, so that a second short circuit point between the second conducting wire is isolated from a corresponding first conducting wire.Type: GrantFiled: October 13, 2021Date of Patent: June 4, 2024Assignees: MIANYANG BOE OPTOELECTRONICS TECHNOLOGY CO., Ltd., BOE Technology Group Co., Ltd.Inventors: Lei Zhang, Tieyi Zhang, Tao Peng, Chuanrui Gong, Yancen Liu
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Patent number: 11963432Abstract: A display substrate, including: a first film layer arranged on a side of a base substrate, a second film layer arranged on a side of the first film layer away from the base substrate and an adhesive material portion arranged therebetween; wherein the first film layer has a first surface and a second surface respectfully facing the second film layer and the first film layer, and the first surface is at least partially in contact with the second surface; the adhesive material portion is arranged at least partially in a non-flat contact area formed between the first film layer and the second film layer, to adhere the first film layer and the second film layer; an adhesion between the adhesive material portion and each of the first film layer and the second film layer is greater than an adhesion between the first film layer and the second film layer.Type: GrantFiled: October 28, 2021Date of Patent: April 16, 2024Assignees: MIANYANG BOE OPTOELECTRONICS TECHNOLOGY CO., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yaohong Tan, Jenyu Lee, Wen Sun, Yuanchen Chin
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Patent number: 11954277Abstract: A display panel is provided. In a display region configured to display an image, the display panel includes a base substrate; thin film transistors and display elements on the base substrate; an encapsulating layer encapsulating the display elements; and a touch electrode layer including mesh electrodes on a side of the encapsulating layer away from the base substrate. The encapsulating layer includes at least an organic encapsulating sub-layer having a first thickness in at least a sub-region of the transition region, and a second thickness in the display region, the first thickness being smaller than the second thickness. Mesh electrode lines of the mesh electrodes have a first line width in at least the sub-region of the transition region, and a second line width in the display region, the first line width being greater than the second line width.Type: GrantFiled: January 15, 2021Date of Patent: April 9, 2024Assignees: Mianyang BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Bo Ruan, Lang Min, Guofeng Jia, Peng He, Shichao Ma, Chongxi Wei, Kemeng Tong
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Patent number: 11945016Abstract: Provided is an apparatus for fabricating a flexible display screen. The apparatus for the flexible display screen includes a roller mechanism and a jig, wherein the jig includes a bearing surface configured to bear a flexible display panel, the bearing surface being a curved surface; and the roller mechanism includes a roller, an axis of the roller being parallel to an element line of the bearing surface, and the roller being configured to roll on the bearing surface along a directrix of the bearing surface.Type: GrantFiled: March 9, 2021Date of Patent: April 2, 2024Assignees: MIANYANG BOE OPTOELECTRONICS TECHNOLOGY CO., Ltd., BOE Technology Group Co., Ltd.Inventors: Rongkun Fan, Yuanhong Wen, Peng Wang, Jialin Wang, Zhao Liang, Tao Zhang, Mu Zeng, Yang Wang, Jia Deng, Hongwei Cui
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Patent number: 11930665Abstract: A display substrate has a display region and a peripheral region. The display substrate includes a substrate, a first dam, a second dam and a connection portion. The first dam and the second dam are located on a side of the substrate, and are located in the peripheral region. The second dam is farther from the display region than the first dam. A height of the second dam is greater than a height of the first dam. The connection portion is located between the first dam and the second dam. The connection portion connects the first dam and the second dam, and a height of the connection portion is less than the height of the first dam. At least a portion of the first dam, at least a portion of the connection portion and at least a portion of the second dam are of an integrative structure.Type: GrantFiled: July 30, 2021Date of Patent: March 12, 2024Assignees: MIANYANG BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yong Hu, Zerui Zhang, Dali Li, Xin Luo
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Patent number: 11903253Abstract: A display substrate and a display device are disclosed. The display substrate includes a display area and a frame area, and the display substrate includes a substrate, a plurality of sub-pixels on a side of the substrate, the plurality of sub-pixels are configured to emit light in the display area, an encapsulation layer on a side of the plurality of sub-pixels away from the substrate, and a retaining wall located in the frame area, the retaining wall is located between the encapsulation layer and the substrate and includes a first sub-retaining wall, a second sub-retaining wall, and a transition area between the first sub-retaining wall and the second sub-retaining wall, the retaining wall includes at least one layer provided in the same layer, the at least one layer provided in the same layer continuously extends across the first sub-retaining wall, the second sub-retaining wall and the transition area.Type: GrantFiled: August 27, 2021Date of Patent: February 13, 2024Assignees: MIANYANG BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lina Wang, Zifeng Wang, Haoyuan Fan, Jenyu Lee, Yong Hu, Zerui Zhang, Dali Li