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公开(公告)号：US12225781B2
公开(公告)日：2025-02-11
申请号：US17788605
申请日：2021-08-30
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yu Feng , Libin Liu , Jiangnan Lu
IPC: G09G3/3233 , G09G3/32 , H10K59/124 , H10K59/131
Abstract: An array substrate is provided. A respective pixel driving circuit of the array substrate includes a driving transistor, a storage capacitor, and a transistor having a gate electrode connected to a respective second gate line of a plurality of second gate lines, a first electrode connected to a first capacitor electrode of the storage capacitor, and a second electrode connected to a second electrode of a first reset transistor, the transistor being configured to receive a reset signal through the first reset transistor. An active layer of the driving transistor and an active layer of the transistor are spaced apart from each other by at least an insulating layer. The active layer of the driving transistor comprises a first semiconductor material. The active layer of the transistor comprises a second semiconductor material different from the first semiconductor material.
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公开(公告)号：US12205541B2
公开(公告)日：2025-01-21
申请号：US17789918
申请日：2021-06-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Libin Liu , Jiangnan Lu , Shiming Shi , Li Wang
IPC: G09G3/3233
Abstract: An array substrate and a display device are provided. The array substrate includes a plurality of pixel driving circuits, each of which includes a driving transistor, a first light emitting control transistor, a compensation transistor, a first initialization transistor and a second initialization transistor; a first electrode of the first initialization transistor and a first electrode of the first light emitting control transistor are connected to a first node; a first electrode of the second initialization transistor and a first electrode of the compensation transistor are connected to a second node, a second electrode of the first initialization transistor is configured to receive the first initialization signal, and a cathode of the light emitting element is configured to receive a first driving signal, and a difference between a potential of the first initialization signal and a potential of the first driving signal is less than 1.5V.
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公开(公告)号：US12183256B2
公开(公告)日：2024-12-31
申请号：US18466619
申请日：2023-09-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Guangliang Shang , Jie Zhang , Jiangnan Lu , Mei Li , Libin Liu
IPC: G09G3/20 , G09G3/3266
Abstract: A gate driving unit includes a first input node control circuit and a charge pump circuit; the first input node control circuit controls to connect or disconnect the input terminal and the first input node under the control of a clock signal provided by the clock signal terminal; the charge pump circuit controls to convert a voltage signal of the first input node into a voltage signal of the first node under the control of an input clock signal provided by the input clock signal terminal when the voltage signal of the first input node is a first voltage signal.
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公开(公告)号：US12062311B2
公开(公告)日：2024-08-13
申请号：US17795033
申请日：2021-08-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Hao Zhang , Jiangnan Lu
CPC classification number: G09G3/20 , G11C19/28 , G09G2300/0408 , G09G2310/0286
Abstract: Provided is a display panel. The display panel includes a substrate including a display region and a non-display region surrounding the display region; and a shift register unit, disposed in the non-display region; wherein the shift register unit includes a first shift circuit and a second shift circuit; wherein the first shift circuit is coupled to a first clock terminal, a second clock terminal, an input signal terminal, a first power terminal, a second power terminal, and a shift node; and the second shift circuit is coupled to the shift node, the first clock terminal, the second clock terminal, a third clock terminal, an enable control terminal, an output control terminal, the first power terminal, the second power terminal, and an output terminal.
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公开(公告)号：US20240161669A1
公开(公告)日：2024-05-16
申请号：US17781988
申请日：2021-03-24
Applicant: BOE Technology Group Co., Ltd.
Inventor： Jiangnan Lu , Guangliang Shang , Libin Liu , Long Han , Yu Feng
CPC classification number: G09G3/20 , G11C19/28 , G09G2300/0408 , G09G2310/0286 , G09G2320/0209 , G09G2320/0233 , G09G2330/021
Abstract: A display substrate and a display device are provided. The display substrate includes a shift register unit, a first clock signal line and a first power line, the shift register unit includes a charge pump circuit, and the charge pump circuit includes a first capacitor, a first transistor and a second capacitor. The charge pump circuit is electrically connected with a first input node and a first node, respectively. A first electrode plate of the first capacitor is connected with the first clock signal line, a second electrode plate of the first capacitor is connected with the first input node, a first electrode plate of the second capacitor is connected with the first power line, a second electrode plate of the second capacitor is connected with the first node, a gate electrode of the first transistor is connected with a first electrode or a second electrode of the first transistor.
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Patent Agency Ranking
6.发明公开公开(公告)号：US20230343285A1
公开(公告)日：2023-10-26
申请号：US17764395
申请日：2021-03-18
Applicant: BOE Technology Group Co., Ltd.
Inventor： Jiangnan Lu , Guangliang Shang , Xinshe Yin , Libin Liu , Jianchao Zhu , Hao Zhang , Ke Feng
IPC: G09G3/3233 , G11C19/28
CPC classification number: G09G3/3233 , G11C19/28 , G09G2310/0286 , G09G2300/0842 , G09G2310/08
Abstract: A shift register unit, a driving method thereof, a gate driving circuit and a display panel are provided. The shift register unit includes an input circuit, a reset circuit, a first output circuit and a second output circuit; the input circuit is configured to control a level of a first node in response to a first input signal; the reset circuit is configured to reset the first node in response to a reset signal; the first output circuit is configured to output a shift signal under control of the level of the first node; and the second output circuit is configured to, in a first phase, under control of the level of the first node, output a plurality of sub-pulses at the first output terminal as a first output signal in a case where the shift output terminal outputs a first level of the shift signal.
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公开(公告)号：US11587983B2
公开(公告)日：2023-02-21
申请号：US16959376
申请日：2019-07-31
Inventor： Kaipeng Sun , Yuanyou Qiu , Weiyun Huang , Yue Long , Chao Zeng , Jiangnan Lu , Libin Liu , Hongli Wang
IPC: H01L27/32
Abstract: An electroluminescent display panel includes a plurality of repeating units each including a first conductive layer, a first insulating layer including a first via hole, and an anode including a main body and an auxiliary portion. At least one repeating unit includes a first-color sub-pixel, a second-color sub-pixel, and a third-color sub-pixel; the area of the main body of the third-color sub-pixel is larger than that of the second-color sub-pixel and that of the first-color sub-pixel; and an overlapping area between the main body of the third-color sub-pixel and the first conductive layer is larger than that between the main body of the second-color sub-pixel and the first conductive layer, and the overlapping area between the main body of the third-color sub-pixel and the first conductive layer is larger than that between the main body of the first-color sub-pixel and the first conductive layer.
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公开(公告)号：US11320691B2
公开(公告)日：2022-05-03
申请号：US16508833
申请日：2019-07-11
Applicant: BOE Technology Group Co., Ltd.
Inventor： Jiangnan Lu , Shi Shu , Kang Guo , Qi Yao
IPC: G02F1/1335 , G02B5/30 , G02F1/1333 , G02F1/1368 , G02F1/1334
Abstract: Provided are a manufacturing method of a display substrate, a display substrate and a display device, which belongs to the field of display technologies. The manufacturing method of the display substrate includes: forming a first planarization layer on a base substrate on which a patterned film layer is formed; forming a first buffer layer on the side, away from the base substrate, of the first planarization layer; forming a second buffer layer on the side, away from the base substrate, of the first buffer layer; and forming a Wire Grid Polarizer (WGP) on the side, away from the base substrate, of the second buffer layer.
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公开(公告)号：US11205364B2
公开(公告)日：2021-12-21
申请号：US17052893
申请日：2019-12-24
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Libin Liu , Can Zheng , Yu Feng , Jiangnan Lu
IPC: G09G3/20
Abstract: A gate driving circuit and a display substrate are provided. The gate driving circuit may provide a driving signal to gate lines, and include output units cascaded to each other and having a same circuit structure. Each output unit includes at least one output transistor, outputs the driving signal to a corresponding gate line through the output transistor, and all the at least one output transistor is coupled to one gate line. The output units are classified as first and second output units. A number of sub-pixels coupled to the gate line corresponding to each first output unit is greater than a number of sub-pixels coupled to the gate line corresponding to each second output unit, and an output capability of at least one output transistor of the first output unit is greater than an output capability of a corresponding output transistor of the second output unit.
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公开(公告)号：US10707449B2
公开(公告)日：2020-07-07
申请号：US16120944
申请日：2018-09-04
Applicant: BOE Technology Group Co., Ltd.
Inventor： Shi Shu , Chuanxiang Xu , Jiangnan Lu
Abstract: An array substrate, a method of preparing the array substrate, and a display panel are provided, the method of preparing the array substrate includes: providing a base substrate; forming a plurality of light emitting devices arranged in an array on the base substrate; covering the base substrate, on which the plurality of light emitting devices are formed, with a black matrix material; activating the plurality of light emitting devices to expose the black matrix material; and developing the exposed black matrix material to form a black matrix.
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