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公开(公告)号：US11651614B2
公开(公告)日：2023-05-16
申请号：US17431437
申请日：2021-02-24
Inventor： Ke Liu , Ling Shi , Yang Yu , Bingqiang Gui
IPC: G06V40/13 , G09G3/3275
CPC classification number: G06V40/1306 , G09G3/3275 , G09G2300/0426 , G09G2330/028 , G09G2354/00
Abstract: Provided are a pixel driving circuit, a driving method thereof and a display panel. The pixel driving circuit includes a pixel driving module, an ultrasonic driving unit, an ultrasonic sensing unit and a signal acquisition unit. The pixel driving module is configured to drive a light-emitting unit to emit light; the ultrasonic driving unit is configured to provide a signal of a second signal terminal to a first node under control of the second signal terminal; the ultrasonic sensing unit is configured to transmit ultrasonic waves according to signals of the first node and a third power supply terminal, receive reflected ultrasonic echoes and generate a first induction signal at the first node; the signal acquisition unit is configured to output a second induction signal to an output terminal according to a first power supply terminal and first induction signal of the first node under control of the first node.
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公开(公告)号：US11495644B2
公开(公告)日：2022-11-08
申请号：US17183382
申请日：2021-02-24
Inventor： Ke Liu , Ling Shi , Bingqiang Gui , Hao Zhang
Abstract: A display apparatus, display device and control method thereof, and non-transient computer-readable storage medium are provided. The display apparatus includes a display substrate and an ultrasonic transducer. The ultrasonic transducer includes a receiving electrode layer, which is disposed between two opposite bottom surfaces of the display substrate, and other parts of the ultrasonic transducer are disposed outside the display substrate. The display substrate includes a first pixel circuit and a first light emitting device, and the first light emitting device and the receiving electrode layer are respectively connected with the corresponding output terminals of the first pixel circuit.
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公开(公告)号：US20220328603A1
公开(公告)日：2022-10-13
申请号：US17612274
申请日：2021-02-07
Inventor： Ling Shi , Yipeng Chen , Xuewei Tian , Ke Liu , Dan Guo , Zhenhua Zhang
IPC: H01L27/32 , G09G3/3241
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. The display substrate includes: a base substrate; and a plurality of sub-pixels arranged on the base substrate and located in the first display region. The sub-pixel includes a first pixel driving circuit and a first light-emitting device. The first pixel driving circuit is electrically connected to the first light-emitting device and configured to drive the first light-emitting device to emit light. The pixel driving circuit includes a storage capacitor and a plurality of transistors, and the storage capacitor and the plurality of transistors included in the first pixel driving circuit are located in the first display region.
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公开(公告)号：US20210098503A1
公开(公告)日：2021-04-01
申请号：US17007477
申请日：2020-08-31
Inventor： Xiaoqi Ding , Peng Huang , Guoyi Cui , Tao Gao , Li Jia , Zeliang Li , Ke Liu
IPC: H01L27/12
Abstract: A method for preparing an array substrate includes: forming first and second active layers, and first and second gate layers above a base substrate; forming first and second via holes for exposing the first active layer and etching the first active layer; forming a first source-drain electrode layer including a first source electrode layer contacting the first active layer through the first via hole and a first drain electrode layer contacting the first active layer through the second via hole; forming third and fourth via holes for exposing the second active layer; forming a second source-drain electrode layer including a second source electrode layer contacting the second active layer through the third via hole and a second drain electrode layer contacting the second active layer through the fourth via hole. The second source/drain electrode layer is electrically connected with the first source-drain electrode layer.
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公开(公告)号：US10284005B2
公开(公告)日：2019-05-07
申请号：US15532010
申请日：2016-09-26
Applicant: BOE Technology Group Co., Ltd.
Inventor： Feng Jiang , Long Wang , Li Zhou , Xingdong Liu , Ke Liu , Xuan He
IPC: H02J7/35 , H01L31/053 , H02S40/38 , H02J7/34
Abstract: A power supply assembly and an electronic device are disclosed. The power supply assembly includes a photoelectric converting element, a storage capacitor, an energy storage battery and an energy management module. The energy management module is configured to control the photoelectric converting element to charge the storage capacitor and the energy storage battery and control the storage capacitor to charge the energy storage battery. The power supply assembly can provide power stably in a longer term.
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Patent Agency Ranking
公开(公告)号：US20250160165A1
公开(公告)日：2025-05-15
申请号：US19024409
申请日：2025-01-16
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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公开(公告)号：US12191320B2
公开(公告)日：2025-01-07
申请号：US17627768
申请日：2021-03-09
Inventor： Wenqiang Li , Long Han , Ling Shi , Ke Liu , Xuewei Tian , Kuo Sun , Pinfan Wang
IPC: H01L27/12
Abstract: A display panel and a display device. Because the pixel distribution density in a second display subarea (A12) is lower than that in a first display subarea (A11), the quantities of sub-pixels (pix) connected to scanning lines are not completely the same; a sub-pixel row having the greatest quantity of sub-pixels (pix) in the display panel is taken as a reference sub-pixel row, the quantity of the sub-pixels (pix) of the reference sub-pixel row is taken as a reference value, a sub-pixel row having the quantity of sub-pixels (pix) smaller than the reference value is taken as a compensation sub-pixel row, and a scanning line connected to the compensation sub-pixel row is taken as a first scanning line; the display panel is provided with load compensation units corresponding to at least part of the first scanning lines, and the load compensation units are located in the second display subarea.
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公开(公告)号：US12148387B2
公开(公告)日：2024-11-19
申请号：US18473830
申请日：2023-09-25
Inventor： Ke Liu , Ling Shi , Yipeng Chen , Hui Lu , Shuai Xie , Zhu Wang , Zhenhua Zhang
IPC: G09G3/3258 , H10K59/121 , H10K59/131
Abstract: A display substrate includes first and second display regions, and a base substrate. A plurality of sub-pixels are arranged on a side of the base substrate, where the-sub-pixels include a first pixel driving circuit and a first light-emitting device connected to each other in the first display region, and the first pixel driving circuit includes at least 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 and the light-emitting device initialization transistor, or that of the active layer of each of the switching transistor and the light-emitting device initialization transistor on the base substrate.
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公开(公告)号：US20240013726A1
公开(公告)日：2024-01-11
申请号：US18473830
申请日：2023-09-25
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 , H10K59/131 , H10K59/121 , G09G2320/0686
Abstract: A display substrate includes first and second display regions, and a base substrate. A plurality of sub-pixels are arranged on a side of the base substrate, where the-sub-pixels include a first pixel driving circuit and a first light-emitting device connected to each other in the first display region, and the first pixel driving circuit includes at least 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 and the light-emitting device initialization transistor, or that of the active layer of each of the switching transistor and the light-emitting device initialization transistor on the base substrate.
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公开(公告)号：US20230165097A1
公开(公告)日：2023-05-25
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
CPC classification number: H10K59/353 , H10K59/131 , H10K59/1213 , H10K59/1216
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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