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公开(公告)号：US11903252B2
公开(公告)日：2024-02-13
申请号：US17270596
申请日：2020-05-15
IPC: G09G3/30 , H10K59/121 , H10K59/131 , H10K71/00 , H01L27/12 , H10K59/12
CPC classification number: H10K59/1213 , H10K59/1216 , H10K59/131 , H10K71/00 , H01L27/1255 , H10K59/1201
Abstract: The present disclosure provides a display panel and an electronic device. The display panel includes: a base substrate; a pixel arranged on the base substrate, wherein the pixel includes a plurality of sub-pixel drive circuits sequentially arranged in the first direction in the display area, each of the sub-pixel drive circuits includes a switching transistor, a detection transistor and a storage capacitor, the switching transistor and the detection transistor are respectively located on both sides of the storage capacitor in a second direction; a first gate line configured to provide a first scanning signal to the plurality of sub-pixel drive circuits; and a second gate line configured to provide a second scanning signal to the plurality of sub-pixel drive circuits.
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公开(公告)号：US11895879B2
公开(公告)日：2024-02-06
申请号：US17266085
申请日：2020-05-15
Inventor： Meng Li , Yongqian Li , Ying Wang
IPC: H01L27/32 , H10K59/131 , H10K50/824 , H10K59/126 , H10K59/121 , H10K71/00 , H01L27/12 , H10K59/12
CPC classification number: H10K59/131 , H10K50/824 , H10K59/126 , H10K59/1213 , H10K71/00 , H01L27/124 , H10K59/1201
Abstract: Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a plurality of display units. The display unit includes a display area and a transparent area. The display area includes a plurality of sub-pixels. In a direction perpendicular to the display substrate, the sub-pixel includes a first metal layer, a semiconductor layer, a second metal layer and a third metal layer which are arranged on a substrate. The first metal layer includes a first plate, the semiconductor layer includes a second plate, the second metal layer includes a first scanning line and a second scanning line, and the third metal layer includes a third plate, a first power supply line, a second power supply line, a compensation line and a data line.
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公开(公告)号：US11854509B2
公开(公告)日：2023-12-26
申请号：US17802776
申请日：2021-10-13
Inventor： Can Yuan , Yongqian Li , Zhidong Yuan
IPC: G09G3/36
CPC classification number: G09G3/3677 , G09G3/3688 , G09G2300/0842 , G09G2310/0278 , G09G2310/0286 , G09G2310/061
Abstract: A display substrate has a display area and a peripheral area. The display substrate includes a plurality of sub-pixels, a plurality of groups of gate scan signal lines, and a plurality of groups of data lines. Each group of gate scan signal lines includes at least one gate scan signal line, each group of data lines includes n data lines, and the plurality of sub-pixels are arranged in an array; and n is greater than or equal to 2. A group of gate scan signal lines is electrically connected to n rows of sub-pixels. A column of sub-pixels is electrically connected to a group of data lines, and includes a plurality of groups of sub-pixels. Each group of sub-pixels includes n sub-pixels. The n sub-pixels are respectively electrically connected to n data lines in the group of data lines to which this column of sub-pixels is electrically connected.
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公开(公告)号：US11844255B2
公开(公告)日：2023-12-12
申请号：US17040606
申请日：2019-12-20
Inventor： Zhongyuan Wu , Yongqian Li , Zhidong Yuan , Meng Li , Can Yuan
IPC: H10K59/131 , H10K59/122 , H10K50/86 , H10K50/828 , H10K59/124 , H10K50/824 , H10K59/12 , H10K71/00 , H10K102/10 , H10K102/00
CPC classification number: H10K59/1315 , H10K50/824 , H10K50/828 , H10K50/865 , H10K59/122 , H10K59/124 , H10K59/131 , H10K71/00 , H10K59/1201 , H10K2102/102 , H10K2102/103 , H10K2102/3026
Abstract: A display panel includes a substrate, a pad, an auxiliary electrode layer, a data line layer, a first electrode layer, a light emitting layer, and a second electrode layer. The substrate has a display area and a peripheral area. The pad is disposed on a side of the substrate and located in the peripheral area. The auxiliary electrode layer is disposed on the same side of the substrate as the pad; the data line layer is disposed on a same layer as the auxiliary electrode layer; the first electrode layer is disposed on a side of the auxiliary electrode layer facing away from the substrate; the light emitting layer is disposed on a side of the first electrode layer facing away from the substrate; and the second electrode layer is disposed on a side of the light emitting layer facing away from the substrate and connected to the auxiliary electrode layer.
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455.发明授权公开(公告)号：US11842683B2
公开(公告)日：2023-12-12
申请号：US17620212
申请日：2020-12-23
Inventor： Can Yuan , Yongqian Li , Zhidong Yuan
IPC: G09G3/3233
CPC classification number: G09G3/3233 , G09G2300/0426 , G09G2300/0819 , G09G2300/0842 , G09G2320/0295 , G09G2320/045
Abstract: A display apparatus, a display panel, and a driving method thereof, and a method of detecting a pixel circuit are described. The display panel includes a pixel unit and a detection apparatus, and the pixel unit includes a pixel circuit and a light-emitting element. The pixel circuit includes a first transistor, a second transistor, a driving transistor, and a storage capacitor. The detection device is configured to: turn off the first transistor and the second transistor, and detect an amount of current leakage of the driving transistor leaked through the sensing line to obtain a first current leakage parameter; detect a first characteristic parameter of the driving transistor to obtain a first reference characteristic parameter; and determine a first target characteristic parameter according to the first current leakage parameter and the first reference characteristic parameter.
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Patent Agency Ranking
公开(公告)号：US11817034B2
公开(公告)日：2023-11-14
申请号：US17044190
申请日：2019-12-20
Inventor： Xuehuan Feng , Yongqian Li , Dacheng Zhang , Lang Liu
CPC classification number: G09G3/2092 , H01L27/1251 , H01L27/1255 , G09G2300/0842 , G09G2310/0267
Abstract: A display substrate includes: a base substrate; a first conductive pattern arranged on the base substrate; a first insulation layer arranged at a side of the first conductive pattern away from the base substrate; a second conductive pattern arranged at a side of the first insulation layer away from the base substrate; a second insulation layer arranged at a side of the second conductive pattern away from the base substrate; and a third conductive pattern arranged at a side of the second insulation layer away from the base substrate. The third conductive pattern and the first conductive pattern together serve as a first electrode plate of the capacitor, and the second conductive pattern serves as a second electrode plate of the capacitor.
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457.发明授权公开(公告)号：US11817028B2
公开(公告)日：2023-11-14
申请号：US18077269
申请日：2022-12-08
Inventor： Xuehuan Feng , Pan Xu
CPC classification number: G09G3/20 , G11C19/28 , G09G2300/0426 , G09G2310/0267 , G09G2310/0286 , G09G2310/08 , H01L27/124 , H01L27/1255
Abstract: The present disclosure relates to the field of display technology, and in particular, to a gate driving structure, an array substrate and a display device. The gate driving structure may include: a base substrate; a shift register, formed on the base substrate, and including a plurality of thin film transistors and at least one capacitor, the capacitor being coupled to the thin film transistor; and a signal wiring group, formed on the base substrate, and including a plurality of signal wirings spaced apart from each other, the signal wiring being coupled to the thin film transistor. An orthographic projection of the capacitor on the base substrate is at least partially overlapped with an orthographic projection of the signal wiring group on the base substrate.
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458.发明公开公开(公告)号：US20230306924A1
公开(公告)日：2023-09-28
申请号：US17776267
申请日：2020-11-24
Inventor： Xuehuan FENG , Yongqian LI
CPC classification number: G09G3/3677 , G09G3/2092 , G09G2310/0286 , G09G2310/08
Abstract: A shift register circuit includes an input sub-circuit, an output sub-circuit and a control sub-circuit. The input sub-circuit is coupled to a first input signal terminal and a pull-up node, and configured to, under control of a first input signal, transmit the first input signal to the pull-up node. The output sub-circuit is at least coupled to the pull-up node, a first clock signal terminal and a first signal output terminal, and configured to transmit a first clock signal to the first signal output terminal under control of a voltage at the pull-up node. The control sub-circuit is coupled to at least one first reference node, at least one first control signal terminal and the pull-up node, and configured to transmit a voltage at a first reference node to the pull-up node under control of a first control signal.
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公开(公告)号：US20230306892A1
公开(公告)日：2023-09-28
申请号：US18325140
申请日：2023-05-30
Inventor： Xuehuan Feng , Yongqian Li , Xing Zhang
IPC: G09G3/20
CPC classification number: G09G3/2092 , G09G2310/0286 , G09G2310/061 , G09G2310/08
Abstract: A shift-register unit includes a first circuit including a first input circuit coupled via a first node to a first output circuit, and a second circuit including a second input circuit coupled via a second node to a second output circuit. The first input circuit is configured to control a voltage level of the first node in response to a first input signal. The first output circuit is configured to output a shift-register signal and a first output signal in response to the voltage level of the first node. The second input circuit is configured to control a voltage level of the second node in response to the first input signal. The second output circuit is configured to output a second output signal in response to the voltage level of the second node. The first input circuit and the second input circuit have a same circuit structure.
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公开(公告)号：US20230274695A1
公开(公告)日：2023-08-31
申请号：US18313457
申请日：2023-05-08
Inventor： Song MENG , Xuehuan Feng
IPC: G09G3/3225
CPC classification number: G09G3/3225 , G09G2300/0819 , G09G2310/08
Abstract: The present disclosure relates to the field of display technology, and describes a pixel driving circuit detection method, a display panel, a driving method thereof, and a display device. The detection method includes inputting a reference voltage to the data line during at least part of the initial phase; turning on the first and second switch sub-circuits during the charging phase, to input the detection voltage to the data line, while inputting the reset voltage to the sensing line; turning on the second switch sub-circuit during the charging phase, to input the driving current by the driving transistor to the sensing line under the effect of the detection voltage; turning off the first and second switch sub-circuits during the detection phase, to detect the voltage on the sensing line; and obtaining the mobility of the driving transistor according to the voltage on the sensing line detected in the detection phase.
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