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公开(公告)号：US12236855B2
公开(公告)日：2025-02-25
申请号：US17772152
申请日：2021-05-25
Inventor： Shuai Xie , Xuewei Tian , Ling Shi , Yipeng Chen
IPC: G09G3/3208
Abstract: Disclosed are a pixel circuit, a driving method thereof, and a display apparatus. The pixel circuit includes a driving sub-circuit, a writing sub-circuit, a compensation sub-circuit, a reset sub-circuit, and a light-emitting element, the driving sub-circuit provides a driving current to a third node in response to a control signal of a first node; the writing sub-circuit writes a signal of a data signal line to a second node in response to a control signal of a first scan signal line, the signal of the data signal line is a data voltage signal or a reset voltage signal; the compensation sub-circuit writes the reset voltage signal to the third node in response to a control signal of the first scan signal line; the compensation sub-circuit further compensates the first node in response to a control signal of the first scan signal line.
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公开(公告)号：US12193292B2
公开(公告)日：2025-01-07
申请号：US17924137
申请日：2021-01-22
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Bo Wang , Fuqiang Li , Yipeng Chen
IPC: H10K59/131 , G09G3/3225 , H10K59/121 , H10K71/00 , H10K59/12 , H10K59/35
Abstract: A base substrate of a display substrate includes a display region; a plurality of pixel units in the display region, each pixel unit includes a first pixel circuit and a second pixel circuit adjacent to each other in a first direction; an initialization signal line extending in the first direction and supplying an initialization signal to the first pixel circuit and the second pixel circuit; a first control signal line extending in the first direction and supplying a gate signal to the first pixel circuit and the second pixel circuit; and a light-emitting control signal line extending in the first direction and supplying a light-emitting control signal to the first pixel circuit and the second pixel circuit; the initialization signal line is on a side of the light-emitting control signal line away from the first control signal line, extends along the first direction and includes segments arranged at intervals.
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公开(公告)号：US12190781B2
公开(公告)日：2025-01-07
申请号：US17910539
申请日：2021-10-25
Inventor： Zhu Wang , Zhenglong Yan , Hui Lu , Ke Liu , Ling Shi , Yipeng Chen
Abstract: Provided is a shift register unit. The shift register unit includes a first input circuit, a second input circuit and an output circuit. The first input circuit is coupled to a first clock terminal, a first node, a second node, a third node, a pull-up power supply terminal, and a pull-down power supply terminal. The second circuit is coupled to the first node, the second node, the third node, the pull-up power supply terminal, the pull-down power supply terminal, an input control terminal, and the first clock terminal. The output circuit is coupled to the pull-up power supply terminal, the pull-down power supply terminal, the third node, a second clock terminal, and an output terminal.
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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：US12137586B2
公开(公告)日：2024-11-05
申请号：US17432951
申请日：2020-11-18
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yipeng Chen , Ling Shi , Ke Liu , Zhenhua Zhang
IPC: H10K59/131 , H10K59/121 , H10K59/126 , H10K59/179 , H10K59/35 , H10K59/12
Abstract: Provided are a display substrate, a preparation method thereof, and a display apparatus. The display substrate includes: a first display region and a second display region; the first display region includes a plurality of first pixels, wherein the first pixel includes a passive light-emitting device, the second display region includes a plurality of second pixels, wherein the second pixel includes an active light-emitting device and a pixel drive circuit electrically connected to the active light-emitting device. The first display region includes a plurality of first driving signal wire groups, each first driving signal wire group corresponds to a first pixel row. The first pixel row includes one row of the first pixels, and each first driving signal group includes a plurality of first driving signal wires.
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Patent Agency Ranking
公开(公告)号：US12133439B2
公开(公告)日：2024-10-29
申请号：US18483533
申请日：2023-10-10
Inventor： Ling Shi , Ke Liu , Yipeng Chen , Zhenhua Zhang
IPC: G09G3/32 , G09G3/3216 , G09G3/3225 , H10K59/131 , H10K59/179 , H10K59/35
CPC classification number: H10K59/353 , G09G3/3216 , G09G3/3225 , H10K59/131 , H10K59/179 , H10K59/351 , H10K59/352 , G09G2300/0426 , G09G2300/0452
Abstract: A display panel includes a substrate, first light-emitting devices located in a first display area, a first driving circuit, second light-emitting devices located in a second display area, and a second driving circuit. The first driving circuit is configured to actively drive the first light-emitting devices to emit light, and includes a plurality of pixel driving circuits and a signal line. The signal line is located in the second display area, and extends along an edge of the second display area. An orthographic projection of the signal line on the substrate and an orthogonal projection of the first display area on the substrate have a gap therebetween. The second driving circuit is configured to passively drive the second light-emitting devices to emit light. An orthographic projection of at least one of the second light-emitting devices on the substrate is overlapped with an orthogonal projection of the gap on the substrate.
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公开(公告)号：US12127455B2
公开(公告)日：2024-10-22
申请号：US18354028
申请日：2023-07-18
Inventor： Ling Shi , Yipeng Chen , Xuewei Tian , Ke Liu , Dan Guo , Zhenhua Zhang
IPC: H10K59/131 , G09G3/3241 , H01L27/12 , H10K59/121 , H10K59/122 , H10K59/35 , H10K59/65
CPC classification number: H10K59/131 , G09G3/3241 , H10K59/1216 , H10K59/122 , H10K59/65 , G09G2300/0465 , G09G2300/0819 , G09G2300/0842 , G09G2360/14 , H01L27/124 , H10K59/1213 , H10K59/35
Abstract: A display substrate is provided, including: a base substrate and a plurality of sub-pixels disposed on the base substrate. Each sub-pixel includes a pixel driving circuit, and the pixel driving circuit includes a writing transistor, a compensation transistor, a first reset transistor, and a storage capacitor. The display substrate includes a semiconductor layer, a first conductive layer and a second conductive layer disposed in sequence on the base substrate. Gates of the writing transistor, the compensation transistor and the first reset transistor are in the first conductive layer and are implemented as an integral structure. Active layers of the writing transistor, the compensation transistor and the first reset transistor are in the semiconductor layer. A first storage capacitor electrode of the storage capacitor is in the first conductive layer, and a second storage capacitor electrode of the storage capacitor is in the second conductive layer.
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公开(公告)号：US12048212B2
公开(公告)日：2024-07-23
申请号：US17891211
申请日：2022-08-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yipeng Chen , Libin Liu , Yunfei Li
IPC: H10K59/12 , G09G3/3258 , H10K59/121 , H10K59/131 , H01L27/12
CPC classification number: H10K59/131 , G09G3/3258 , H10K59/1213 , H10K59/1216 , G09G2300/0842 , G09G2310/0262 , G09G2320/0209 , H01L27/124 , H01L27/1255
Abstract: Provided are a wiring structure of a pixel driving circuit, a display panel, and a display device. The wire layout includes: a first switching element, a second switching element and a driving transistor. A source electrode of the driving transistor is connected to a power signal line. The power signal line includes a first power signal line that is in a same direction as a data signal line, and the data signal line is arranged at a position of the first power signal line away from a gate electrode of the driving transistor.
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公开(公告)号：US12004392B2
公开(公告)日：2024-06-04
申请号：US17473602
申请日：2021-09-13
Inventor： Benlian Wang , Li Wang , Yipeng Chen , Yueping Zuo , Zheng Liu
IPC: H10K59/131
CPC classification number: H10K59/131
Abstract: A display panel and a display device are provided. The display panel comprises a substrate, a plurality of sub-pixels, a plurality of data lines, a plurality of wiring structures and a plurality of pads. The substrate comprises a display area and a non-display area comprising a bending area. The sub-pixels and data lines are in the display area and electrically connected with each other. The wiring structures are in the bending area and electrically connected with the data lines. At least one wiring structure comprises a plurality of hollow patterns connected successively, each hollow pattern comprises a first conductive part and a second conductive part connected with each other. The plurality of pads are in the non-display area and located on a side of the plurality of wiring structures away from the display area and electrically connected with the plurality of wiring structures.
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公开(公告)号：US11950454B2
公开(公告)日：2024-04-02
申请号：US17279675
申请日：2020-05-11
Inventor： Ling Shi , Hao Zhang , Yipeng Chen , Wenqiang Li , Chienpang Huang
IPC: H10K59/121 , H10K50/844 , H10K59/131 , H10K59/65
CPC classification number: H10K59/121 , H10K50/844 , H10K59/131 , H10K59/65
Abstract: A display panel and a display device are disclosed, the display panel comprises: a base substrate; and pixel circuits in an array, the display panel comprises a light transmittance region and a display region around the light transmittance region, the pixel circuits are disposed in the display region, a gate line of each row of m rows of pixel circuits is divided into a first gate line portion and a second gate line portion which are connected through an auxiliary gate line, a data line of each column of n columns of pixel circuits is divided into a first data line portion and a second data line portion which are connected through an auxiliary data line.
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