Patents Assigned to CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
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Patent number: 12120916Abstract: Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a plurality of sub-pixels, and a pixel drive circuit in the sub-pixel includes a drive transistor and a storage capacitor; the display substrate includes a semiconductor layer, a first conductive layer and a second conductive layer which are sequentially disposed on a substrate; the semiconductor layer at least includes an active layer of a drive transistor; the first conductive layer at least includes a first electrode plate; and the second conductive layer at least includes a second electrode plate and an electrode plate connection line, wherein the electrode plate connection line is connected to a second electrode plate in an adjacent sub-pixel in a first direction.Type: GrantFiled: November 26, 2020Date of Patent: October 15, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Bo Cheng, Mengmeng Du, Jie Gou, Xiangdan Dong, Hongwei Ma, Shuangbin Yang, Yujing Li, Zhenhua Zhang
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Patent number: 12120903Abstract: The display substrate includes a display area, a barrier wall disposing area, and a hole area, the display area surrounds the barrier wall disposing area, the barrier wall disposing area surrounds the hole area, and the method for manufacturing the display substrate includes: after a first electrode of a light emitting device of the display substrate is formed, removing a protective layer of the barrier wall disposing area, and exposing at least one circle of an initial barrier wall covered by the protective layer, the initial barrier wall is disposed around the hole area; and etching the at least one circle of the initial barrier wall, to form at least one circle of a barrier wall, a notch is formed on at least one side surface of the barrier wall.Type: GrantFiled: December 11, 2019Date of Patent: October 15, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Pinchao Gu, Weiyun Huang, Donghua Jiang, Wuyang Zhao
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Patent number: 12118933Abstract: Disclosed are a pixel circuit, a driving method, an electroluminescent display panel and a display apparatus. The pixel circuit includes: a driving control module, a first light emitting control module, a light emitting device and a first capacitor; where the first light emitting control module is coupled between the driving control module and a first electrode of the light emitting device; and the first capacitor is coupled between the light emitting control end and the first electrode of the light emitting device.Type: GrantFiled: October 29, 2021Date of Patent: October 15, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventor: Ziyang Yu
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Patent number: 12118935Abstract: A display substrate and a display apparatus are provided, wherein the display substrate includes a display area and a non-display area, wherein the non-display area includes a first bezel area and a transition area, the transition area including a first transition area; the display substrate includes a light emitting drive circuit, a scanning drive circuit, and a control drive circuit; the light emitting drive circuit includes multistage light emitting shift registers, the scanning drive circuit includes multistage scanning shift registers, and the control drive circuit includes multistage control shift registers; the first bezel area includes a first circuit group, the first transition area includes a second circuit group, and the first circuit group and the second circuit group include a Q1-stage light emitting shift register, a Q2-stage scanning shift register, and a Q3-stage control shift register.Type: GrantFiled: January 30, 2022Date of Patent: October 15, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Lu Bai, Tingliang Liu, Yi Zhang, Yang Zhou
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Patent number: 12118942Abstract: A display panel including a pixel driving circuit including a driving transistor, a first transistor having a gate electrode connected to a first gate line and a first electrode connected to a gate electrode of the driving transistor, and a second transistor having a gate electrode connected to a second gate line, a first electrode connected to the gate electrode of the driving transistor, and a second electrode connected to a second electrode of the driving transistor, the driving transistor is a P type transistor, and the first transistor and the second transistor are N type transistors, wherein the display panel further includes: a base substrate, a first conductive layer, a third conductive layer, and a first conducting part.Type: GrantFiled: September 29, 2023Date of Patent: October 15, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Huaping Sun, Erlong Song, Qiang Fu, Kai Zhang, Dongjie Wu
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Patent number: 12118170Abstract: A touch control panel, a touch control display panel, and a touch control display apparatus are provided. The touch control panel includes multiple first touch control structures extending along a first direction and multiple second touch control structures extending along a second direction. The first touch control structure includes multiple first touch control electrodes and multiple first connecting parts, and the second touch control structure includes multiple second touch control electrodes and multiple second connecting parts. The first touch control electrode and the second touch control electrode are disposed in a same layer, and the first connecting part or the second connecting part is disposed in the same layer as the first touch control electrode. The touch control panel further includes at least one touch control branch positioned at an edge of a touch control electrode.Type: GrantFiled: September 9, 2021Date of Patent: October 15, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yu Wang, Shun Zhang, Chang Luo, Ping Wen, Yuanqi Zhang, Yi Zhang
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Patent number: 12117686Abstract: A display substrate and a display device are provided. In the display substrate, the display sub-pixel is located in a display region, the display sub-pixel and includes a first display sub-pixel, a second display sub-pixel, a third display sub-pixel, and a fourth display sub-pixel that emit light of colors different from each other; the dummy sub-pixel is located in a periphery region, the periphery region includes a dummy region and an edge region, the dummy sub-pixel is located in the dummy region of the periphery region, the dummy sub-pixel includes a first dummy sub-pixel, a second dummy sub-pixel, a third dummy sub-pixel, and a fourth dummy sub-pixel; and the display substrate further includes a spacer including a plurality of first spacers and a plurality of second spacers, the plurality of first spacers are located in the periphery region, the plurality of second spacers are located in the display region.Type: GrantFiled: September 8, 2023Date of Patent: October 15, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Bo Shi, Bo Wu, Tianwen Hou, Lei Dai
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Patent number: 12118946Abstract: A scan circuit is provided, including first, second and third control signal driving circuits; wherein, in a first region, the first control signal driving circuit includes L stages, L being an integer ?1; in a second region, the second control signal driving circuit includes M1 stages and the third control signal driving circuit includes M2 stages, M1, M2 each being an integer ?1; in a third region, the first control signal driving circuit includes N1 stages, the second control signal driving circuit includes N2 stages, and the third control signal driving circuit includes N3 stages, N1, N2, N3 each being an integer ?2; and the first region, the second region, and the third region surround a first portion, a second portion, and a third portion of a perimeter of a display region, respectively, the first portion, the second portion, and the third portion being at least partially non-overlapping.Type: GrantFiled: February 16, 2022Date of Patent: October 15, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Guanghua Xu, Yang Yu, Taofeng Xie
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Patent number: 12120905Abstract: Provided is a display panel. The display panel includes a drive backplane and a stress absorbing layer. The drive backplane includes a pixel circuit region and a peripheral region disposed outside the pixel circuit region, the peripheral region including a bending region; wherein the bending region and the pixel circuit region are sequentially arranged along a first direction, and the bending region is provided with at least one isolation trench arranged along a second direction, the at least one isolation trench extend through the drive backplane. The stress absorbing layer includes a plurality of absorbing portions, at least one of the plurality of absorbing portions being provided on both sides of each of the at least one isolation trench.Type: GrantFiled: October 27, 2021Date of Patent: October 15, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Shaopeng Li, Tianjun Deng, Junhao Ai, Xiaolong Tang, Xinfeng Zhou, Cheng Zhang, Weiben Zhang, Rongkun Fan, Ren Xiong, Wenze Li
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Publication number: 20240341136Abstract: A display panel and a manufacturing method therefor, and a display apparatus. The display panel comprises: a drive backplane (BM), a transfer layer (TR), a second planarization layer (PLN2), and a light-emitting layer (EE). A pixel circuit layer (DR) comprised in the drive backplane (BM) comprises a plurality of data transfer lines (DL3), wherein one end of a data transfer line (DL3) is connected to a data wiring (DL) and the other end thereof extends to a bonding region (B1). Two ends of a first transfer line (TR1) comprised in the transfer layer (TR) are respectively connected to a first via hole (PLN11) and a second via hole (PLN21) that correspond to a first pixel circuit (PDCA1). In the embodiments of the present disclosure, providing data transfer lines (DL3) can avoid the problem of enlarging the bezel of a display apparatus, and providing a first transfer line (TR1) can ensure the planarization of a first light-emitting unit (EL1).Type: ApplicationFiled: April 28, 2022Publication date: October 10, 2024Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Fan HE, Rong WANG, Xiangdan DONG
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Publication number: 20240339084Abstract: The present disclosure provides a display panel, a method for preparing the same, and a display device. The display panel includes pixel units distributed in an array in a display area, where the pixel units include sub-pixels, at least one of which has a maximum grayscale value voltage different from a maximum grayscale value voltage of the other sub-pixel; and a switching circuit including switching units on a side of the display area, where one end of the switching unit is connected to a data line. In two adjacent columns of pixel units, two sub-pixels having the same maximum grayscale value voltage are connected to two adjacent switching units through data lines, respectively.Type: ApplicationFiled: June 6, 2022Publication date: October 10, 2024Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Zheng BAO, Mingqiang WANG, Ziqian LI, Yi ZHANG, Xiangdong WEI, Gong CHEN, Haotian YANG, Chang WANG, Jiaxiang ZHANG, Bin ZHANG
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Publication number: 20240337886Abstract: A display panel, a display device, and a display panel control method. In the display panel, the display substrate includes a first substrate and a plurality of sub-pixels; each sub-pixel has a first opening allowing for exiting of light for generating a display image; the light control panel is stacked on the display substrate and includes a plurality of sub-light control units; each sub-light control unit has a second opening; the plurality of sub-light control units are in one-to-one correspondence with the plurality of sub-pixels; the light exit from the first openings pass through the second openings of the sub-light control units and then exit from the display panel; the sub-light control units are configured to modulate light exit from the first openings; and the orthographic projection of the second opening of each sub-light control unit substantially coincides the orthographic projection of the first opening of the corresponding sub-pixel.Type: ApplicationFiled: July 20, 2022Publication date: October 10, 2024Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.Inventor: Xin Mou
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Publication number: 20240341119Abstract: A display panel is provided, including a base substrate, pixel units, signal lines, and a light shielding portion. Each pixel unit includes a light-emitting element and a pixel driving circuit. The pixel units include first pixel units in a first display region of the display panel and second pixel units in a second display region of the display panel. The signal lines are electrically connected to pixel driving circuits of the second pixel units respectively. Orthographic projections of at least two of the signal lines on the base substrate are spaced apart from each other by a gap, and an orthographic projection of the light shielding portion on the base substrate covers an orthographic projection of the gap on the base substrate and orthographic projections of the second pixel units. The light shielding portion includes first light shielding sub-portions arranged in an array along row and column directions.Type: ApplicationFiled: June 18, 2024Publication date: October 10, 2024Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yue Long, Cong Liu, Yuanyou Qiu, Binyan Wang, Weiyun Huang
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Patent number: 12112696Abstract: A display substrate is provided with a setup region including an acquisition region and a transition region adjacent to the acquisition region. The display substrate includes: a base substrate; light emitting devices on the base substrate, at least a part of the light emitting devices are provided in each of the acquisition region and the transition region; and driving circuits on the base substrate, each of the driving circuits being configured to provide a driving signal to a corresponding light emitting device. A driving circuit corresponding to a light emitting device in the transition region is a first local driving circuit which is in the transition region. A driving circuit corresponding to a light emitting device in the acquisition region is a peripheral driving circuit which is in the transition region and is connected to the corresponding light emitting device in the acquisition region through a connection line.Type: GrantFiled: November 27, 2020Date of Patent: October 8, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Pinchao Gu, Yao Huang, Tianyi Cheng, Yue Long, Yuanyou Qiu, Meng Li
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Patent number: 12114545Abstract: A display substrate and a display apparatus. In the display substrate, the first signal line sequentially passes through the first display region, the opening peripheral region and the second display region along a first direction, and includes a first lead portion and a first winding portion that are in the opening peripheral region and connected to each other; the first winding portion partially surrounds the opening; the second signal line provides a second display signal to the pixel array, passes through the peripheral region of the opening along a second direction intersecting with the first direction, includes a second winding portion in the peripheral region of the opening and partially surrounds the opening. The first lead portion and the second signal line have a first overlapping region, and the first winding portion and the second winding portion have a second overlapping region.Type: GrantFiled: September 11, 2020Date of Patent: October 8, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Huijuan Yang, Yang Zhou, Xiaofeng Jiang, Tinghua Shang, Gen Li
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Patent number: 12112700Abstract: Disclosed is a pixel circuit arranged in a display substrate, which comprises a first driving mode and a second driving mode. Content displayed in the display substrate comprises multiple display frames. In the first driving mode and the second driving mode, the display frames comprise refresh frames. A signal of a second scanning line is the same as that of a third scanning line. The time of which the signal of the second scanning line is an active level signal comprises a first refresh time period, a second refresh time period and a third refresh time period, which sequentially occur at intervals. During the second refresh time period, a signal of a first scanning line is an inactive level signal. The voltage of a signal at a reset voltage end is a positive voltage, and the voltage of a signal at a first initial voltage end is a negative voltage.Type: GrantFiled: July 29, 2022Date of Patent: October 8, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Tianyi Cheng, Haigang Qing, Hongda Cui, Sifei Ai, Guowei Zhao, Yang Yu, Li Wang, Baoyun Wu
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Patent number: 12114531Abstract: A display substrate and a display device are disclosed. The display substrate includes a base substrate, a pixel circuit layer, and an anode layer; the pixel circuit layer includes a plurality of pixel driving circuits; and the anode layer includes a plurality of anode; each pixel driving circuit includes a functional thin film transistor; the plurality of pixel driving circuits include a first pixel driving circuit and a second pixel driving circuit which are adjacently arranged, and an orthographic projection of a channel region of the functional thin film transistor in the first pixel driving circuit on the base substrate and an orthographic projection of a channel region of the functional thin film transistor in the second pixel driving circuit on the base substrate both overlap with an orthographic projection of the anode corresponding to the first pixel driving circuit on the base substrate.Type: GrantFiled: March 25, 2020Date of Patent: October 8, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yi Qu, Tinghua Shang, Lulu Yang, Huijun Li, Meng Zhang, Xin Zhang, Xiaofeng Jiang, Jie Dai, Lu Bai, Yupeng He, Hao Zhang
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Patent number: 12111992Abstract: Disclosed are a touch panel, a preparation method therefor, and a display apparatus. The touch panel includes a touch region and a bonding region on a side of the touch region in a first direction. The bonding region includes: a chip region including a first edge, a second edge, a third edge, and a fourth edge, the first and second edges extend along a second direction, and the first direction intersects the second direction; multiple pins in the chip region and including multiple display pins and multiple touch pins, the multiple display pins are arranged along the first and second edges, the multiple touch pins are arranged along the third and fourth edges, and the multiple display pins are configured to be connected with display signal lines; multiple touch electrodes in the touch region; and multiple touch signal lines in the touch region and the bonding region.Type: GrantFiled: May 11, 2021Date of Patent: October 8, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Peng Xu, Wenhui Gao
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Patent number: 12114544Abstract: Embodiments of the disclosure provide a display panel and a display device. The display panel includes: a base substrate, a transistor array layer, a first planarization layer, and a first electrode layer, wherein the plurality of sub-pixels include first color sub-pixels and second color sub-pixels adjacent to the first color sub-pixels in a first direction; for the first color sub-pixels and the second color sub-pixels adjacent in the first direction, first notches are disposed in sides, facing orthographical projections of anodes in the first color sub-pixels on the base substrate, of orthographical projections of edges of anodes in the second color sub-pixels on the base substrate; and the first notches are disposed facing centers of main parts of the second color sub-pixels. Each repeating unit includes at least one first color sub-pixel and at least one second color sub-pixel.Type: GrantFiled: September 29, 2020Date of Patent: October 8, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Lili Du, Hongjun Zhou, Feng Wei, Qian Ma
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Patent number: 12114532Abstract: Provided is a display substrate, including a base substrate and a plurality of pixel units arranged on the base substrate; each pixel unit includes constant voltage terminals and a dual-gate transistor; a part of an active region of each dual-gate transistor, which is located between two gates, is an intermediate part; except the pixel units closest to the first side, each pixel unit includes a compensation structure; the compensation structure is connected to one of the constant voltage terminals of the pixel unit where the compensation structure is located, and compensates for at least one dual-gate transistor of a pixel unit adjacent to the pixel unit where the compensation structure is located in a direction toward the first side; the compensation structure overlaps and is insulated from the intermediate part of the dual-gate transistor for which the compensation structure compensates.Type: GrantFiled: March 9, 2021Date of Patent: October 8, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yonglin Guo, Hongmei Fan, Xinyu Wei, Yuqian Pang, Kai Zhang