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公开(公告)号：US20240221646A1
公开(公告)日：2024-07-04
申请号：US18289108
申请日：2022-08-02
Inventor： Yipeng Chen , Ling Shi , Weifeng Zhou
IPC: G09G3/3233
CPC classification number: G09G3/3233 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2320/0233 , G09G2320/0247 , G09G2330/021
Abstract: A pixel circuit, a display apparatus, and a driving method. The pixel circuit include: a driving circuit, a data writing circuit, a compensation circuit, a light emission control circuit, a first reset circuit, a second reset circuit, and a light-emitting element. The data writing circuit is for writing a data signal into the first terminal of the driving circuit based on a writing control signal; the first reset circuit is for applying a first reset voltage to the control terminal of the driving circuit based on a first reset control signal; and the second reset circuit is for applying a second reset voltage to a first electrode of the light-emitting element based on a second reset control signal. The writing control signal and the second reset control signal are synchronized in each write frame, and the writing control signal remains at an invalid level in each skip frame.
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92.发明授权公开(公告)号：US12027086B2
公开(公告)日：2024-07-02
申请号：US17512635
申请日：2021-10-27
Inventor： Zhu Wang , Fei Fang , Ling Shi , Zhenglong Yan
IPC: G09G3/00 , G09G3/3266 , G09G3/3275
CPC classification number: G09G3/035 , G09G3/3266 , G09G3/3275 , G09G2300/0819 , G09G2300/0852 , G09G2310/0278 , G09G2310/0286 , G09G2330/023 , G09G2354/00
Abstract: A driving circuit of a display panel includes: a first driving control circuit configured to, in a first display state, provide a signal of an OFF signal terminal to a starting node of a first light emitting signal driver according to a control signal of an ON level provided by a control signal terminal; the first light emitting signal driver configured to, in the first display state, control a light emitting signal output terminal to provide an OFF-level signal to a light emitting control terminal of a pixel driving circuit in a first display region according to the signal of the OFF signal terminal; and a second light emitting signal driver configured to, in the first display state, control a light emitting signal output terminal to provide a light emitting signal to a light emitting control terminal of a pixel driving circuit in a second display region.
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公开(公告)号：US11900880B2
公开(公告)日：2024-02-13
申请号：US17595039
申请日：2021-02-07
Inventor： Ke Liu , Ling Shi , Yipeng Chen , Hui Lu , Shuai Xie , Zhu Wang , Zhenhua Zhang
IPC: G09G3/3258 , H10K59/131 , H10K59/121
CPC classification number: G09G3/3258 , H10K59/121 , H10K59/131 , G09G2320/0686
Abstract: A display substrate, a display panel and a display apparatus are provided. The display substrate includes a base substrate, a first display region, and a second display region, and a light transmittance of the first display region is greater than that of the second display region A plurality of sub-pixels are arranged on the base substrate and in the first display region, wherein the sub-pixels include a first pixel driving circuit and a first light-emitting device, and the first pixel driving circuit includes a compensation transistor, a switching transistor, and a light-emitting device initialization transistor each having an active layer. A scan signal line is provided in the first display region. An orthographic projection of the scan signal line on the base substrate overlaps with that of the active layer of each of the compensation transistor, the switching transistor and the light-emitting device initialization transistor on the base substrate.
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公开(公告)号：US11900860B2
公开(公告)日：2024-02-13
申请号：US17328035
申请日：2021-05-24
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yipeng Chen , Ling Shi
CPC classification number: G09G3/32 , H01L27/124 , G09F9/33 , G09G3/20 , G09G2300/0426 , G09G2330/06
Abstract: The present application discloses a display panel, a display apparatus, and a display panel manufacturing method. The display panel includes a main display region and a sub display region, where the sub display region is fully-surrounded or half-surrounded by the main display region, the sub display region includes a substrate, a first insulating layer, a first metal layer, a second insulating layer, a second metal layer, a dielectric layer, a third metal layer, and a flat layer stacked successively. A signal line of the first metal layer is used to transmit a scan signal of the main display region, and a signal line of the third metal layer is used to transmit a display data signal of the sub display region; the second metal layer is used as an isolation layer for isolating signal interference between the first metal layer and the second metal layer.
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公开(公告)号：US11862216B2
公开(公告)日：2024-01-02
申请号：US17927535
申请日：2021-10-27
Inventor： Zhu Wang , Ling Shi , Yipeng Chen , Hui Lu , Zhenglong Yan , Changchang Liu , Ke Liu
IPC: G11C19/02 , G09G3/3233 , G09G3/3266 , G11C19/28
CPC classification number: G11C19/28 , G09G3/3233 , G09G3/3266 , G09G2300/0819 , G09G2300/0842 , G09G2310/0286 , G09G2310/08
Abstract: A shift register, comprising an input circuit, a first control circuit, a second control circuit and an output circuit. The input circuit is configured to transmit a first voltage signal from a first voltage signal terminal to a first node under the control of an input signal from a signal input terminal. The first control circuit is configured to transmit a second voltage signal from a second voltage signal terminal to a second node under the control of a first clock signal from a first clock signal terminal and the voltage of the first node. The second control circuit is configured to transmit a second clock signal from a second clock signal terminal to a third node under the control of the voltage of the second node. The output circuit is configured to transmit the first voltage signal from the first voltage signal terminal to a scan signal output terminal under the control of the voltage of the third node.
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Patent Agency Ranking
公开(公告)号：US11776481B2
公开(公告)日：2023-10-03
申请号：US17433107
申请日：2020-04-30
Inventor： Wenqiang Li , Ke Liu , Ling Shi
IPC: G09G3/3266 , G11C19/28
CPC classification number: G09G3/3266 , G11C19/28 , G09G2300/0426 , G09G2310/0286
Abstract: A display substrate and a manufacture method, and a display device are provided. The display substrate includes a shift register unit, a first clock signal line, and a second clock signal line. The shift register unit includes an input circuit, an output circuit, a first control circuit, a second control circuit, and a voltage stabilizing circuit. A first electrode of the first noise reduction transistor of the second control circuit and a first electrode of the voltage stabilizing transistor of the voltage stabilizing circuit are in a first source-drain electrode layer, which includes a first transfer electrode, which includes a first portion and a second portion, the first portion is connected to the first electrode of the first noise reduction transistor and the first electrode of the voltage stabilizing transistor, and the second portion is connected to the gate electrode of the first control transistor of the first control circuit.
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公开(公告)号：US11776479B2
公开(公告)日：2023-10-03
申请号：US17828211
申请日：2022-05-31
Inventor： Tinghua Shang , Yang Zhou , Haigang Qing , Linhong Han , Ling Shi , Yao Huang
IPC: G09G3/3258 , G09G3/20 , G09G3/3266 , G09G3/3291 , H01L27/32 , H01L51/52 , H10K50/814 , H10K59/124 , H10K59/131 , H10K59/35 , H10K59/121
CPC classification number: G09G3/3258 , G09G3/2003 , G09G3/3266 , G09G3/3291 , H10K50/814 , H10K59/124 , H10K59/1213 , H10K59/131 , H10K59/353 , G09G2300/0426 , G09G2300/0443
Abstract: A display substrate and a display device are provided. A sub-pixel in the display substrate includes a light emitting element and a pixel circuit; the light emitting element includes a first electrode, a light emitting layer and a second electrode; the pixel circuit includes a driving transistor and a storage capacitor. The sub-pixel includes a first color sub-pixel pair which includes a first pixel block and a second pixel block. In a same first color sub-pixel pair, an overlapping situation, of orthographic projections of the second electrode of one first pixel block and a gate electrode of the driving transistor of the one first pixel block on the base substrate, is the same as an overlapping situation, of orthographic projections of the second electrode of one second pixel block and a gate electrode of the driving transistor of the one second pixel block on the base substrate.
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98.发明授权公开(公告)号：US11538417B2
公开(公告)日：2022-12-27
申请号：US17512208
申请日：2021-10-27
Inventor： Bo Yang , Chengchung Yang , Xiangfei He , Ling Shi
IPC: G09G3/3266 , G09G3/3233 , G11C19/28
Abstract: Embodiments of the present disclosure provide a light emission control shift register and method thereof, a gate driving circuit, and a display device. An input circuit outputs a signal of a signal input terminal to a first node. A first control circuit outputs a voltage of a first voltage terminal to a second node. A second control circuit transmits the voltage of the first voltage terminal to a third node. A third control circuit transmits the voltage of the first voltage terminal to a fourth node, and the third control circuit can further transmit the voltage of the second voltage terminal to the fourth node. A fourth control circuit transmits the voltage of the first voltage terminal to a signal output terminal, and the fourth control circuit can further transmit the voltage of the second voltage terminal to the signal output terminal.
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公开(公告)号：US11423840B2
公开(公告)日：2022-08-23
申请号：US17272777
申请日：2020-07-31
Inventor： Tinghua Shang , Yang Zhou , Haigang Qing , Linhong Han , Ling Shi , Yao Huang
IPC: G09G3/3266 , G09G3/20 , H01L51/52 , H01L27/32 , G09G3/3258 , G09G3/3291
Abstract: A display substrate and a display device are provided. A sub-pixel of the display substrate includes a light emitting element and a pixel circuit which includes a first connecting portion, a driving transistor and a threshold compensation transistor, an electrode of the threshold compensation transistor is electrically connected with a gate electrode of the driving transistor through the first connecting portion. The sub-pixel includes a first color sub-pixel pair which includes a first pixel block and a second pixel block. A ratio of an overlapping area between orthographic projections of the second electrode and the first connecting portion of the first pixel block on the base substrate to an overlapping area between orthographic projections of the second electrode and the first connecting portion of the second pixel block on the base substrate is in a range from 0.8 to 1.2.
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公开(公告)号：US11373598B2
公开(公告)日：2022-06-28
申请号：US17272777
申请日：2020-07-31
Inventor： Tinghua Shang , Yang Zhou , Haigang Qing , Linhong Han , Ling Shi , Yao Huang
IPC: G09G3/3266 , G09G3/20 , H01L51/52 , H01L27/32 , G09G3/3258 , G09G3/3291
Abstract: A display substrate and a display device are provided. A sub-pixel of the display substrate includes a light emitting element and a pixel circuit which includes a first connecting portion, a driving transistor and a threshold compensation transistor, an electrode of the threshold compensation transistor is electrically connected with a gate electrode of the driving transistor through the first connecting portion. The sub-pixel includes a first color sub-pixel pair which includes a first pixel block and a second pixel block. A ratio of an overlapping area between orthographic projections of the second electrode and the first connecting portion of the first pixel block on the base substrate to an overlapping area between orthographic projections of the second electrode and the first connecting portion of the second pixel block on the base substrate is in a range from 0.8 to 1.2.
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