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41.发明授权公开(公告)号：US10971465B2
公开(公告)日：2021-04-06
申请号：US16125063
申请日：2018-09-07
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Liqiang Chen , PaoMing Tsai , Jianwei Li , Dejun Bu , Shuang Du , Can Zheng
Abstract: The present disclosure provides a driving chip, a display substrate, a display device and a method for manufacturing a display device. The driving chip according to the present disclosure includes a substrate; and a plurality of connecting bumps and a plurality of supporting bumps disposed on the substrate. The plurality of connecting bumps include at least one set of connecting bumps arranged along a first direction, and the plurality of supporting bumps include the supporting bump that is located between the adjacent connecting bumps arranged along the first direction.
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42.发明授权公开(公告)号：US12198629B2
公开(公告)日：2025-01-14
申请号：US18325032
申请日：2023-05-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Can Zheng
IPC: G09G3/3233 , G09G3/3266 , G09G3/3291
Abstract: Disclosed are a pixel circuit, a driving method of the pixel circuit and a display device, the pixel circuit including a reset unit, a voltage writing unit and a light-emitting control unit, the reset unit is connected to a reset control signal terminal, and resets the pixel circuit under the control of the reset control signal; the voltage writing unit stores a data signal and a threshold voltage of a driving transistor under the control of the scan control signal; the light-emitting control unit is connected to a light-emitting control signal terminal and includes the driving transistor, and use the data signal and the threshold voltage to generate a current under control of the light-emitting control signal; the light-emitting control unit includes a first type transistor, the reset unit and the voltage writing unit include a second type transistor different from the first type transistor.
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公开(公告)号：US12167653B2
公开(公告)日：2024-12-10
申请号：US17763198
申请日：2021-05-31
Applicant: BOE Technology Group Co., Ltd.
Inventor： Can Zheng , Li Wang , Hao Zhang , Yipeng Chen , Ke Liu
IPC: H10K59/131 , G09G3/3233 , G09G3/3266 , G09G3/3291 , H10K59/121 , H10K59/12
Abstract: A display substrate and a manufacturing method therefor, and a display apparatus. The display substrate includes a base substrate, a second power line, a data signal line and a plurality of sub-pixels, wherein at least one sub-pixel includes a pixel driving circuit and a light emitting device connected to the pixel driving circuit, the pixel driving circuit is connected to the data signal line and the light emitting device is connected to the second power line; a semiconductor layer and a plurality of conducting layers, which are disposed at one side of the semiconductor layer away from the base substrate, are disposed on the base substrate, a first electrode is arranged on at least one conducting layer.
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公开(公告)号：US11862646B2
公开(公告)日：2024-01-02
申请号：US17760988
申请日：2021-05-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Libin Liu , Can Zheng , Shiming Shi
CPC classification number: H01L27/124 , G06F3/0412 , G06F3/0443 , H01L27/1259 , G06F2203/04103 , G06F2203/04107
Abstract: Embodiments of the present disclosure provide a display substrate, a touch display panel and a display panel. The display substrate has a display region and a pin region on a side of the display region. The display substrate includes: a base substrate; and at least one first signal line and at least one second signal line both on a side of the base substrate and both extending to the display region from the pin region. The display substrate further includes a DC conductive structure connected to a constant DC voltage. The DC conductive structure is between the at least one first signal line and the at least one second signal line. Each of the at least one first signal line and the at least one second signal line is spaced apart from the DC conductive structure.
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公开(公告)号：US11751442B2
公开(公告)日：2023-09-05
申请号：US16624286
申请日：2019-04-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Hongwei Tian , Yanan Niu , Zheng Liu , Liangjian Li , Dong Li , Meng Zhao , Long Han , Can Zheng
IPC: H10K59/131 , G09G3/3266 , G09G3/3275 , H10K59/124 , H10K59/121 , H10K77/10 , H01L27/12 , H10K59/12 , H10K102/00
CPC classification number: H10K59/131 , G09G3/3266 , G09G3/3275 , H10K59/124 , H10K59/1213 , H10K77/111 , H01L27/124 , H01L27/1218 , H01L27/1248 , H01L27/1288 , H10K59/1201 , H10K2102/311
Abstract: A display panel and a display device are provided. The display panel has a display area. The display panel includes: a base substrate; a driving circuit and at least one signal line on the base substrate; and at least one insulating layer between the driving circuit and the at least one signal line. The driving circuit is disposed in a periphery of the display area; and an orthogonal projection of at least one of the signal lines on the base substrate has an overlapping area with an orthogonal projection of the driving circuit on the base substrate.
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Patent Agency Ranking
公开(公告)号：US11581051B2
公开(公告)日：2023-02-14
申请号：US16613125
申请日：2019-05-21
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Can Zheng
Abstract: A shift register and a driving method thereof, a gate drive circuit, and a display device are provided. The shift register includes: an input circuit, configured to input an input voltage provided by the input voltage terminal to an intermediate circuit under control of a first clock signal provided by the first clock signal terminal; the intermediate circuit, configured to write a second clock signal output by the second clock signal terminal or a first power signal output by the first power terminal to the intermediate output terminal as an intermediate output signal under control of the input voltage and the control circuit; and an output circuit, configured to output an output signal, a phase of which is opposite to a phase of the intermediate output signal.
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公开(公告)号：US11574597B2
公开(公告)日：2023-02-07
申请号：US17426949
申请日：2020-10-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Can Zheng , Yu Feng , Guangliang Shang , Libin Liu , Shiming Shi
IPC: G09G3/3266 , G09G3/20
Abstract: A gate driving unit, a gate driving circuit, a gate driving method, and a display device are provided. The gate driving unit includes a first output circuit and a second output circuit; the second output circuit comprises a first output sub-circuit; the first output circuit is respectively electrically connected to the first node, the second node and the first gate driving signal output end and is configured to control the first gate driving signal output end to output a first gate driving signal under the control of the potential of the first node and the potential of the second node; the first output sub-circuit is respectively electrically connected to the first node, the second gate driving signal output end and the first clock signal end, and is configured to control the second gate driving signal output end to be connected to the first clock signal end.
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48.发明授权公开(公告)号：US11227521B2
公开(公告)日：2022-01-18
申请号：US16652180
申请日：2019-10-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Can Zheng , Libin Liu , Li Wang , Tian Dong , Guangliang Shang , Xinshe Yin
IPC: G09G3/00
Abstract: The present disclosure relates to a gate driving circuit applied to a foldable display panel comprising B display areas arranged in order. The gate driving circuit may include B gate driving subcircuits and a control circuit. Each of the gate driving subcircuits may correspond to one of the display areas and each of the gate driving subcircuits may comprise a plurality of stage gate driving units. The control circuit may be configured to, when the foldable display panel is in a full screen display state, control a type of an input signal in a last stage gate driving unit of a bth gate driving subcircuit to be the same as a type of an input signal in a first stage gate driving unit of a (b+1)th gate driving subcircuit, where B is an integer greater than 1 and b is a positive integer less than B.
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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：US11011093B2
公开(公告)日：2021-05-18
申请号：US16619308
申请日：2018-07-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Can Zheng
Abstract: A shift register unit, a driving method, a gate driving circuit and a display device are provided. The shift register unit includes: a starting circuit configured to control, under control of a first clock signal input terminal, turning on or off coupling between a first node and a starting voltage input terminal; a first capacitor circuit, having a first terminal being coupled to a second clock signal input terminal, and a second terminal being coupled to the first node; a first node control circuit configured to control, under control of a third node, turning on or off coupling between the first node and a first level input terminal; a potential control circuit configured to control, under control of the first node, turning on or off coupling between the second node and a second level input terminal; a second capacitor circuit; a second node control circuit; an output circuit; and a third node control circuit.
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