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公开(公告)号：US10741634B2
公开(公告)日：2020-08-11
申请号：US16468341
申请日：2017-11-06
Inventor： Benlian Wang , Li Wang , Yipeng Chen , Yueping Zuo , Zheng Liu
IPC: G02F1/13 , H01L27/32 , G02F1/1333 , G02F1/1345 , G02F1/1362 , H01L51/00 , H01L27/12
Abstract: A wiring structure, a display substrate and a display device; the wiring structure comprises a plurality of hollow patterns, and edges of the wiring structure along a length direction of the wiring structure extend in a straight line, the wiring structure can release stress through the hollow patterns so as to avoid breakage of the wiring structure, the display substrate, and the display device.
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公开(公告)号：US20200227500A1
公开(公告)日：2020-07-16
申请号：US16736893
申请日：2020-01-08
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yipeng Chen , Li Wang , Lujiang Huangfu
IPC: H01L27/32 , G09G3/3291
Abstract: An organic light emitting diode display substrate, comprises: a base substrate, and a first data line, a driving thin film transistor and an energy storage capacitor which are disposed on the base substrate, wherein the energy storage capacitor comprises a first capacitor plate and a second capacitor plate disposed opposite to each other, and the second capacitor plate is electrically connected to a gate of the driving thin film transistor, in a direction away from the base substrate, the first capacitor plate is disposed between the first data line and the second capacitor plate, wherein the display substrate further comprises a first shielding portion, which is electrically connected to the first capacitor plate and is disposed at least partially between the second capacitor plate and the first data line. A method of manufacturing the display substrate and a display device are further provided.
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公开(公告)号：US10204558B2
公开(公告)日：2019-02-12
申请号：US15314000
申请日：2016-03-21
Inventor： Yipeng Chen , Minghua Xuan
IPC: G09G3/30 , G09G3/32 , G09G3/3225 , G09G3/3258 , G09G3/325 , G09G3/3266 , G09G3/3291 , G09G3/3233
Abstract: Provided are a pixel circuit, a driving method thereof and a display apparatus. The pixel circuit includes a first switching module (10), a first driving module (20), a second switching module (30), a second driving module (40), a coupling module (50) and a light-emitting module (60). The first switching module (10) is connected with a first scan signal terminal (Vscan1), a data signal terminal (Vdata), the first driving module (20) and the coupling module (50) respectively; the second switching module (30) is connected with a second scan signal terminal (Vscan2), the data signal terminal (Vdata), the second driving module (40) and the coupling module (50) respectively; the coupling module (50) is further connected with a first voltage terminal (Vdd), the first driving module (20) and the second driving module (40); the first driving module (20) is further connected with the first voltage terminal (Vdd) and the light-emitting module (60); the second driving module (40) is further connected with the first voltage terminal (Vdd) and the light-emitting module (60); the light-emitting module (60) is further connected with a enable signal terminal (Em) and a second voltage terminal (Vss). It can compensate for a shifting of threshold voltage of a TFT, improve uniformity of display brightness of the display apparatus and prolong a lifespan of the display apparatus.
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64.发明申请公开(公告)号：US20180190185A1
公开(公告)日：2018-07-05
申请号：US15513279
申请日：2016-08-23
Inventor： Youngyik KO , Bo Wang , Yipeng Chen , Yi Zhang
IPC: G09G3/325
CPC classification number: G09G3/325 , G09G3/3233 , G09G2300/0819 , G09G2300/0861 , G09G2300/0876 , G09G2310/0251 , G09G2310/0262 , G09G2320/0233 , G09G2320/045
Abstract: The present application discloses a pixel driving circuit configured to operate in a display cycle including sequentially an initialization period, a compensation period, and a light-emitting period, the pixel driving circuit including a driving transistor having a gate, a source, and a drain; a first storage capacitor having a first terminal connected to the gate of the driving transistor and a second terminal connected to a first power signal input port; an emission control sub-circuit disposed between the source of the driving transistor and the first power signal input port; a data write-in sub-circuit disposed between a data input port and the drain of the driving transistor which is also connected to the emission control sub-circuit; a compensation sub-circuit disposed between the source of the driving transistor and the first terminal of the first storage capacitor; and a light emitting device having a first terminal connected to the emission control sub-circuit and a second terminal connected to a second power signal input port; the data write-in sub-circuit is configured to control a data voltage signal to be passed into the drain of the driving transistor during the compensation period; the compensation sub-circuit is configured to control a connection between the source and the gate of the driving transistor during the compensation period to set the driving transistor to a conduction state for inducing a source-to-drain current until a gate voltage of the driving transistor reaches a value substantially equal to the data voltage signal plus a threshold voltage of the driving transistor.
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公开(公告)号：US12238999B2
公开(公告)日：2025-02-25
申请号：US17629360
申请日：2021-02-07
Inventor： Ke Liu , Ling Shi , Yipeng Chen , Lang Liu , Zhenhua Zhang , Xuewei Tian
IPC: H10K59/35 , H10K59/121 , H10K59/131
Abstract: A display substrate, a display panel and a display apparatus are provided. The display substrate includes a first display region and a second display region, and a light transmittance of the first display region is greater than a light transmittance of the second display region. A plurality of sub-pixels located in the first display region includes a plurality of sub-pixel groups, each sub-pixel group includes a first sub-pixel and a second sub-pixel, the first pixel driving circuit includes a first sub-pixel driving circuit and a second sub-pixel driving circuit. The first sub-pixel driving circuit includes at least a first reset transistor, the second sub-pixel driving circuit includes at least a second reset transistor, and the first reset transistor of the first sub-pixel driving circuit and the second reset transistor of the second sub-pixel driving circuit are at least partially shared with each other.
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Patent Agency Ranking
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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