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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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公开(公告)号：US11950468B2
公开(公告)日：2024-04-02
申请号：US17762975
申请日：2021-04-15
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yipeng Chen , Lujiang Huangfu , Libin Liu
IPC: H10K59/131 , G09G3/3225 , H10K59/121 , H10K71/00 , H10K59/12 , H10K59/35
CPC classification number: H10K59/131 , G09G3/3225 , H10K59/1213 , H10K59/1216 , H10K71/00 , G09G2300/0426 , G09G2300/0465 , G09G2300/0842 , H10K59/1201 , H10K59/351
Abstract: The present disclosure provides a display panel, a method of manufacturing the same, and a display device. The initialization signal line layer in the display panel includes an initialization signal line pattern arranged in each of the plurality of sub-pixel areas; the first auxiliary signal line layer includes a plurality of first auxiliary signal line patterns corresponding to the plurality of sub-pixel areas in a one-to-one manner, and the first auxiliary signal line pattern is coupled to an initialization signal line pattern in a corresponding sub-pixel area, at least part of the first auxiliary signal line pattern extends along the first direction, and first auxiliary signal line patterns corresponding to sub-pixel areas in a same row of sub-pixel areas are sequentially coupled.
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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：US20240023375A1
公开(公告)日：2024-01-18
申请号：US18372884
申请日：2023-09-26
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yipeng Chen , Li Wang , Lujiang Huangfu
IPC: H10K59/121 , G09G3/3291 , H10K59/126
CPC classification number: H10K59/1216 , G09G3/3291 , H10K59/126 , H10K59/1213
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, 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. The display substrate further comprises a shielding portion. The shielding portion is between the second capacitor plate and the first data line in a direction perpendicular to the base substrate, and an orthographic projection of the shielding portion on the base substrate at least partially overlap an orthographic projection of the first data line on the base substrate.
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Patent Agency Ranking
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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公开(公告)号：US11322551B2
公开(公告)日：2022-05-03
申请号：US16830679
申请日：2020-03-26
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yipeng Chen
Abstract: The present disclosure discloses a display panel and a display device. The display device includes a first display area and a second display area, where the first display area includes a plurality of first sub-pixel units, and each of the first sub-pixel units includes a first light emitting device and a driving circuit for driving the first light emitting device to emit light; where the second display area includes a plurality of second sub-pixel units and a plurality of first voltage signal lines, each of the second sub-pixel units includes a second light emitting device, and the first voltage signal lines are directly and electrically connected to anodes of the second light emitting devices.
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公开(公告)号：US20210335959A1
公开(公告)日：2021-10-28
申请号：US17366704
申请日：2021-07-02
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, 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. The display substrate further comprises a power line and a voltage equalizing line which are electrically connected, the power line extends in a first direction which is substantially parallel to a direction in which the first data line extends, and the voltage equalizing line extends in a second direction. A method of manufacturing the display substrate and a display device are also provided.
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公开(公告)号：US11127806B2
公开(公告)日：2021-09-21
申请号：US15779664
申请日：2017-11-07
Inventor： Benlian Wang , Li Wang , Yipeng Chen , Yueping Zuo , Zheng Liu
Abstract: A wiring structure, a display substrate and a display device are provided, which belongs to the field of display technology. The wiring structure includes a plurality of hollow patterns connected successively. Each of the hollow patterns includes a first conductive part having a first pattern and a second conductive part having a second pattern. The first conductive part and the second conductive part are connected with each other, and the first pattern and the second pattern have different shapes. Because the wiring structure includes a plurality of hollow patterns connected successively, and the first conductive part and the second conductive part in each hollow pattern have different shapes, even if the conductive part of one shape in the wiring structure is broken in the process of bending, stretching and twisting, the conductive part of the other shape can also ensure good conductivity for the wiring structure.
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公开(公告)号：US11107412B2
公开(公告)日：2021-08-31
申请号：US16882123
申请日：2020-05-22
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yipeng Chen , Libin Liu
IPC: G09G3/3258 , G09G3/3266 , G09G3/3275
Abstract: A pixel driving circuit includes a driving sub-circuit, a data writing sub-circuit, a compensation sub-circuit and a light-emitting control sub-circuit. The driving sub-circuit is configured to drive the light-emitting device. The data writing sub-circuit is configured to write a data signal to the driving sub-circuit. The compensation sub-circuit is configured to compensate a voltage of the driving sub-circuit. The compensation sub-circuit includes a first switching transistor whose gate is electrically connected to the scanning signal terminal, first electrode is electrically connected to a first terminal of the driving sub-circuit and second electrode is electrically connected to a second terminal of the driving sub-circuit. The first switching transistor is an indium gallium zinc oxide thin film transistor. The light-emitting control sub-circuit is electrically connected to the driving sub-circuit and configured to turn on a line between a first voltage terminal and a second voltage terminal.
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