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公开(公告)号：US20250140182A1
公开(公告)日：2025-05-01
申请号：US18262322
申请日：2022-06-01
Inventor： Zhidong YUAN , Yongqian LI , Can YUAN , Liu WU
IPC: G09G3/3233 , G09G3/32
Abstract: A display panel includes a first pixel driving circuit and a second pixel driving circuit. A data writing transistor and a driving transistor in the first pixel driving circuit, a driving transistor and a data writing transistor in the second pixel driving circuit are sequentially arranged. In the first pixel driving circuit, a first electrode plate of a capacitor is coupled to the driving transistor at a first coupling position and coupled to a first light-emitting device at a second coupling position located at a side of the first coupling position away from the data writing transistor. In the second pixel driving circuit, a first electrode plate of a capacitor is coupled to the driving transistor at a third coupling position and coupled to a second light-emitting device at a fourth coupling position located between the third coupling position and the data writing transistor.
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公开(公告)号：US20250098445A1
公开(公告)日：2025-03-20
申请号：US18557562
申请日：2023-01-12
Inventor： Can YUAN , Yongqian LI , Zhidong YUAN
IPC: H10K59/131 , G09G3/3233 , H10K59/121 , H10K59/80
Abstract: Pixel circuit, driving control method, display substrate and device are disclosed. The pixel circuit includes a driving circuit, a control circuit and a light-emitting module; the driving circuit generates driving current for driving the light-emitting module under control of control end of the driving circuit; the control circuit is connected to first scanning line, power supply voltage line and second end of the driving circuit, and controls connection between the power supply voltage line and the second end of the driving circuit under control of first scanning signal; second end of the light-emitting module is connected to a cathode voltage line. With the control circuit, branch current can be increased by increasing forward and reverse voltages, such that foreign bodies at dark spots can be burnt out and the dark spots can be changed into normal pixels, thereby improving product yield and displaying quality.
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公开(公告)号：US20250089365A1
公开(公告)日：2025-03-13
申请号：US18557810
申请日：2022-07-28
Inventor： Can YUAN , Luke DING , Zhidong YUAN , Liu WU , Yongqian LI , Dacheng ZHANG , Cheng XU , Dandan ZHOU
IPC: H01L27/12 , G09G3/00 , G09G3/3225
Abstract: A display substrate including a base substrate and a driving module arranged on the base substrate, the driving module includes at least one driving unit, and the driving unit includes N stages of driving circuits; N is a positive integer, n is a positive integer less than or equal to N; the nth stage of driving circuit includes a (2n−1)th stage of output circuit, a 2nth stage of output circuit and a first node control circuit; the first node is electrically connected to the (2n−1)th stage of output circuit and the 2nth stage of output circuit respectively through a first connection line; the driving module also includes a scanning line; there are at least two mutually independent overlapping portions between the orthographic projection of the first connection line on the base substrate and the orthographic projection of the scanning line on the base substrate.
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公开(公告)号：US20250056994A1
公开(公告)日：2025-02-13
申请号：US18933239
申请日：2024-10-31
Inventor： Zhongyuan WU , Yongqian LI , Can YUAN , Zhidong YUAN , Meng LI , Dacheng ZHANG , Lang LIU
IPC: H10K59/131
Abstract: Embodiments of the present disclosure provide a display panel and a display device. The display panel includes a base substrate, a plurality of pixel units and a plurality of gate line groups. At least one pixel unit includes a plurality of sub-pixels. At least one sub-pixel includes a sensing transistor and a driving transistor. Each gate line group includes a first gate line and a second gate line; for the first gate line and the second gate line corresponding to the sub-pixels in the same row, the positions of the sensing transistors are closer to the second gate lines, and the positions of the driving transistors are closer to the first gate line, For two sub-pixels close to each other and located in different pixel units in the same row, at least one signal line has a double-layer alignment structure, and the double-layer alignments are electrically connected with each other.
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公开(公告)号：US20240233650A1
公开(公告)日：2024-07-11
申请号：US17921677
申请日：2021-11-08
Inventor： Zhidong YUAN , Yongqian LI , Pan XU , Can YUAN
IPC: G09G3/3266 , G09G3/20 , G09G3/3233 , G11C19/28
CPC classification number: G09G3/3266 , G09G3/2096 , G09G3/3233 , G11C19/28 , G09G2300/0819 , G09G2300/0842 , G09G2310/0286 , G09G2310/08 , G09G2340/00
Abstract: A light-emitting control shift register includes an input circuit, a pulse width adjustment circuit, a pull-up circuit, a pull-down control circuit and a pull-down circuit. The input circuit is configured to output a signal of a first signal input terminal. The pulse width adjustment circuit is configured to transmit the signal output from the input circuit to a pull-up node, and is further configured to output a signal of a second clock signal terminal to the pull-up node. The pull-up circuit is configured to output a voltage of a first voltage terminal to a signal output terminal. The pull-down control circuit is configured to output the voltage of the first voltage terminal, and is further configured to output a voltage of a second voltage terminal. The pull-down circuit is configured to pull down a voltage of the signal output terminal to the voltage of the second voltage terminal.
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Patent Agency Ranking
公开(公告)号：US20240087516A1
公开(公告)日：2024-03-14
申请号：US17767757
申请日：2021-05-13
Inventor： Can YUAN , Yongqian LI , Zhidong YUAN
IPC: G09G3/3233 , G09G3/3266 , H10K59/131
CPC classification number: G09G3/3233 , G09G3/3266 , H10K59/131 , G09G2310/061 , G09G2320/0204
Abstract: Provided is a display substrate, including: a base substrate; a plurality of sub-pixels arranged in an array on the base substrate, each of the sub-pixels including a light-emitting drive circuit, a reset circuit, a compensation circuit and a light-emitting element; wherein the light-emitting drive circuit and the reset circuit are connected to the light-emitting element, the light-emitting drive circuit is configured to provide a drive signal to the light-emitting element, and the reset circuit is configured to provide a reset signal to the light-emitting element; the compensation circuit is connected to the light-emitting drive circuit, and the compensation circuit is configured to provide a compensation signal to the light-emitting drive circuit; wherein at least two of the sub-pixels share a same target circuit, and the target circuit includes at least one of the reset circuit and the compensation circuit.
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公开(公告)号：US20230178014A1
公开(公告)日：2023-06-08
申请号：US17921911
申请日：2021-06-03
Inventor： Can YUAN , Yongqian LI , Zhidong YUAN
IPC: G09G3/3225
CPC classification number: G09G3/3225 , G09G2300/0842 , G09G2320/0233
Abstract: A display substrate (100) and a design method therefor, and a display apparatus. The display substrate (100) includes: pixel circuits which are arranged in an array, where the pixel circuits are divided into at least two areas; and data switching circuits (10), which are correspondingly connected to the pixel circuits in the areas by means of data signal lines, wherein a channel width-to-length ratio (W/L) of a switch device in each data switching circuit (10) is positively correlated with a design data load of an area corresponding to the data switching circuit (10). The width-to-length ratios (W/L) of different switch devices can be matched according to different design data loads of different areas.
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公开(公告)号：US20230122411A1
公开(公告)日：2023-04-20
申请号：US17914466
申请日：2021-11-19
Inventor： Can YUAN , Yongqian LI , Zhidong YUAN , Pan XU
IPC: H10K59/131 , G09G3/3266 , H10K59/121 , H10K59/126 , H10K50/824 , H10K50/813
Abstract: The present disclosure provides an array substrate and a display device. The array substrate includes a base substrate and a scan line, a data line, a power supply line, a sensing line, a pixel driving circuit and a light-emitting unit that are sequentially stacked on the base substrate. The array substrate also includes a gate layer, a first conductive layer, a second conductive layer, and a third conductive layer. The first electrode of the storage capacitor is at least disposed at the first conductive layer, and the second electrode of the storage capacitor is at least disposed at the second conductive layer. The data line, the power supply line, and the sensing line are disposed at the third conductive layer.
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公开(公告)号：US20230043145A1
公开(公告)日：2023-02-09
申请号：US17789409
申请日：2021-09-15
Inventor： Zhidong YUAN , Dacheng ZHANG , Can YUAN , Yongqian LI
IPC: H01L27/32 , G09G3/3233
Abstract: The present disclosure provides a display substrate and a display device, and belongs to the field of display technology. The display substrate of the present disclosure has a display region, and includes a base and a plurality of data lines and a plurality of fan-out traces on the base; each of the plurality of data lines is connected to a corresponding one of the plurality of fan-out traces at a connection node in the display region; and at least one of the plurality of data lines is connected to a corresponding fan-out trace at a plurality of connection nodes.
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公开(公告)号：US20230006023A1
公开(公告)日：2023-01-05
申请号：US17773501
申请日：2021-03-12
Inventor： Can YUAN , Meng LI , Yongqian LI , Zhidong YUAN , Dacheng ZHANG
Abstract: Provided are a display substrate and a display device. The display substrate includes a base substrate, and gate lines extending in a first direction, data lines extending in a second direction and pixel units that are on the base substrate, the first direction intersecting the second direction; each pixel unit including sub-pixels, each sub-pixel including a pixel circuit; the pixel circuit including at least a switching transistor, a drive transistor, a sensing transistor, and a storage capacitor; for each pixel circuit, the switching transistor, the drive transistor, and the sensing transistor therein are all on a same side of the storage capacitor; the switching transistor is at an intersection of the gate line and the data line connected thereto, and the switching transistor is adjacent to the sensing transistor in the first direction and adjacent to the drive transistor in the second direction.
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