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公开(公告)号：US20240096288A1
公开(公告)日：2024-03-21
申请号：US18274470
申请日：2021-12-20
发明人： Haoliang ZHENG , Yan QU , Dongni LIU , Li XIAO , Jiao ZHAO , Xiaorong CUI , Seungwoo HAN , Minghua XUAN
IPC分类号： G09G3/3275 , G09G3/3266
CPC分类号： G09G3/3275 , G09G3/3266 , G09G2310/0297 , G09G2310/061 , G09G2310/08
摘要： A display substrate a driving method therefor, and a display apparatus. The display substrate comprises: M rows and N columns of sub-pixels, N data signal lines and a data reset circuit, wherein at least one sub-pixel comprises a pixel circuit; an ith data signal line is connected to pixel circuits in an ith column, where M≥1, N≥1, and 1≤i≤N; and the data reset circuit is electrically connected to a data reset control end, a data initial signal end and the N data signal lines, and is configured to provide a signal of the data initial signal end to the N data signal lines under the control of the data reset control end.
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公开(公告)号：US20230351944A1
公开(公告)日：2023-11-02
申请号：US17639790
申请日：2021-03-11
发明人： Seungwoo HAN , Li XIAO , Haoliang ZHENG , Dongni LIU , Jiao ZHAO , Liang CHEN , Hao CHEN , Minghua XUAN
IPC分类号： G09G3/32
CPC分类号： G09G3/32 , G09G2310/061 , G09G2300/0842
摘要： Provided are a pixel circuit and a method for driving the same, a display panel and a display device. A drive circuit (04) in the pixel circuit is capable of controlling conduction/non-conduction between a second node (N2) and a third node (N3) under the control of a potential of a first node (N1). A light-emission control circuit (03) in the pixel circuit is capable of controlling conduction/non-conduction between a cathode of a light-emitting element and a second node (N2), and controlling conduction/non-conduction between the third node (N3) and a pull-down power terminal (LVSS) under the control of a potential of a light-emission control signal; and a potential of the first node (N1) is not be affected by a potential of an anode of the light-emitting element. Furthermore, in the case that the cathode of the light-emitting element and the second node (N2) are conducted, the second node (N2) and the third node (N3) are conducted, and the third node and the pull-down power terminal (LVSS) are conducted, the light-emitting element can emit light reliably.
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公开(公告)号：US20230260461A1
公开(公告)日：2023-08-17
申请号：US18308385
申请日：2023-04-27
发明人： Li XIAO , Haoliang ZHENG , Hao CHEN , Minghua XUAN , Dongni LIU , Seungwoo HAN , Liang CHEN , Jiao ZHAO , Xue DONG
IPC分类号： G09G3/3258 , G09G3/3291
CPC分类号： G09G3/3258 , G09G3/3291
摘要： A pixel circuit includes a driving circuit, a first control circuit and a second control circuit. The driving circuit is configured to receive a data signal in response to a scan signal, and generate, in response to a first enable signal, a driving signal according to a first voltage and the data signal. The first control circuit is configured to: receive a first input signal in response to a first control signal, and transmit a third input signal in response to the first input signal; and receive a second input signal in response to a second control signal, and transmit a second enable signal in response to the second input signal. The second control circuit is configured to transmit the driving signal to an element to be driven in response to one of the third input signal and the second enable signal.
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公开(公告)号：US20230032018A1
公开(公告)日：2023-02-02
申请号：US17789661
申请日：2021-08-18
发明人： Zhenyu ZHANG , Li XIAO , Dongni LIU , Liang CHEN , Hao CHEN , Haoliang ZHENG , Minghua XUAN , Jiao ZHAO
IPC分类号： G09G3/3258
摘要： Provided are a photoelectric detection circuit and a driving method thereof, a display apparatus and a manufacturing method thereof. The photoelectric detection circuit includes: a first reset sub-circuit, a second reset sub-circuit, a first storage sub-circuit, a data read sub-circuit and a photosensitive device. A first terminal of the data read sub-circuit, a first terminal of the first storage sub-circuit, a first electrode of the photosensitive device and a first terminal of the first reset sub-circuit are connected to a first node. A second electrode of the photosensitive device is connected to a common voltage line. The data read sub-circuit is configured to transmit a voltage of the first node to a data read line in response to a signal of a scan line. The first reset sub-circuit is configured to reset the voltage of the first node.
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公开(公告)号：US20220373900A1
公开(公告)日：2022-11-24
申请号：US16966874
申请日：2019-11-29
发明人： Li XIAO , Jiao ZHAO , Dongni LIU , Minghua XUAN , Haoliang ZHENG , Liang CHEN , Hao CHEN , Zhenyu ZHANG , Jing LIU , Qi QI
摘要： An alignment mark includes a first alignment marker located on a first surface of a substrate and a second alignment marker located on a second surface of the substrate. The second alignment marker is arranged to be matched with the first alignment marker, and capable of representing a process variation between the second alignment marker and the first alignment marker.
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公开(公告)号：US20220302173A1
公开(公告)日：2022-09-22
申请号：US17500748
申请日：2021-10-13
发明人： Dongni LIU , Liang CHEN , Minghua XUAN , Haoliang ZHENG , Qi QI , Jing LIU
摘要： A driving backplane, a display panel and a display device are disclosed. The driving backplane includes: a base substrate; a plurality of pixel driving circuits located on the base substrate; an electrode located on a side of each of the pixel driving circuits facing away from the base substrate and coupled with the pixel driving circuits; and a potential wire located between the electrode and the base substrate and coupled with the pixel driving circuits. Every at least two pixel driving circuits are coupled with a same signal line through a multiplexing controller, an orthographic projection of the controller on the base substrate completely falls into a range of a corresponding micro light emitting diode bonding region, and an orthographic projection of a control wire coupled with the controller on the base substrate completely falls into a range of an orthographic projection of the potential wire on the base substrate.
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公开(公告)号：US20220238065A1
公开(公告)日：2022-07-28
申请号：US17476360
申请日：2021-09-15
发明人： Dongni LIU , Minghua XUAN , Qi QI , Jing LIU
IPC分类号： G09G3/32
摘要： The present disclosure provides a pixel driving circuit and a display panel. The pixel driving circuit includes a driving module and a grayscale adjustment module. The driving module is configured to generate a first driving current corresponding to a first grayscale range under the control of a potential at a gate voltage end and a first power source voltage, and transmit the first driving current to a light-emitting element. The grayscale adjustment module is configured to adjust the driving module under the control of the first power source voltage and a first data voltage, so that the driving module generates a second driving current corresponding to a second grayscale range under the control of the potential at the gate voltage end and the first power source voltage, and transmits the second driving current to the light-emitting element.
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公开(公告)号：US20220130335A1
公开(公告)日：2022-04-28
申请号：US17407156
申请日：2021-08-19
发明人： Dongni LIU , Haoliang ZHENG , Minghua XUAN
IPC分类号： G09G3/3258 , G09G3/3291
摘要： A pixel circuit, a driving method thereof and electronic device, relates to the technical field of display configured for. The pixel circuit comprises a driving sub-circuit comprising a control terminal, a first terminal and a second terminal, the driving sub-circuit being configured to control a driving signal flowing through the first terminal and the second terminal according to a signal of the control terminal; a voltage division control sub-circuit configured to conduct voltage division on an input data signal in response to a first scanning signal to obtain a voltage division signal, and write the voltage division signal to the first terminal of the driving sub-circuit; and a compensation sub-circuit coupled to the control terminal of the driving sub-circuit and the second terminal of the driving sub-circuit, and configured to write voltage division signal passing through driving sub-circuit to control terminal of driving sub-circuit in response to first scanning signal.
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公开(公告)号：US20220121072A1
公开(公告)日：2022-04-21
申请号：US17281709
申请日：2020-01-10
发明人： Liang CHEN , Minghua XUAN , Dongni LIU , Haoliang ZHENG , Li XIAO , Zhenyu ZHANG , Hao CHEN , Ke WANG
IPC分类号： G02F1/1362 , H01L27/32
摘要： The present disclosure discloses a display panel and a display device. The display panel includes: a base substrate, including a plurality of substrate via holes located in a display area of the display panel; and a plurality of driving signal lines and a plurality of bonding terminals, respectively located on different sides of the base substrate. At least one of the plurality of driving signal lines is electrically connected to at least one of the plurality of bonding terminals through the substrate via hole(s).
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公开(公告)号：US20220101780A1
公开(公告)日：2022-03-31
申请号：US17424408
申请日：2020-09-10
发明人： Li XIAO , Minghua XUAN , Dongni LIU , Jing LIU , Qi QI , Haoliang ZHENG , Zhenyu ZHANG , Liang CHEN , Hao CHEN
IPC分类号： G09G3/32
摘要： A pixel drive circuit includes a data write sub-circuit, an input and read sub-circuit, a drive sub-circuit, and a first output control sub-circuit. The data write sub-circuit is configured to transmit data signals input from a first data voltage terminal at different times to a first node. The input and read sub-circuit is configured to: transmit a signal of a signal transmission terminal to a second node in a write period, and transmit an electrical signal of the second node to the signal transmission terminal in a threshold voltage read period. The drive sub-circuit is configured to output a drive signal. The first output control sub-circuit is configured to: be coupled to an element to be driven, and transmit the drive signal output by the drive sub-circuit to the element to be driven.
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