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公开(公告)号:US20250098483A1
公开(公告)日:2025-03-20
申请号:US18291592
申请日:2023-04-17
Applicant: Hefei BOE Joint Technology Co., Ltd. , BOE Technology Group Co., Ltd. , Beijing BOE Technology Development Co., Ltd.
Inventor: Xinxin WANG , Xiang WAN , Xinyu LI , Cheng XU , Dandan ZHOU , Ningning WANG
IPC: H10K59/80 , H10K102/00
Abstract: Provided is a display panel. The display panel includes a base substrate, a first electrode, a light-emitting layer, a protective layer, and a second electrode which are sequentially laminated on a side of the base substrate. A side of the light-emitting layer away from the base substrate is embedded with a target particle, and a gap in communication with the side of the light-emitting layer away from the base substrate is defined between the light-emitting layer and the target particle. The protective layer at least includes a first portion insulated from both the first electrode and the second electrode. The first portion fills the gap.
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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:US20250089485A1
公开(公告)日:2025-03-13
申请号:US18279392
申请日:2022-11-24
Inventor: Xuehuan FENG , Yubao KONG , Hao LIU , Shi SUN
IPC: H10K59/131 , H10K59/88
Abstract: Provided are a display panel and a display apparatus, the display panel includes a substrate and a drive circuit layer, wherein the drive circuit layer includes a pixel circuit (P) arranged in an array, a plurality of first scan signal lines (G1) and a plurality of second scan signal lines (G2). The drive circuit layer includes a plurality of first discharge structures (E1) and/or a plurality of second discharge structures (E2). At least one first discharge structure (E1) is electrically connected to a first scan signal line (G1) and a second scan signal line (G2) respectively, and the first scan signal line (G1) and the second scan signal line (G2) electrically connected to the first discharge structure (E1) are electrically connected to the same row of pixel circuit.
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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:US20250078768A1
公开(公告)日:2025-03-06
申请号:US18703506
申请日:2023-08-31
Applicant: Hefei BOE Joint Technology Co., Ltd. , BOE Technology Group Co., Ltd. , Beijing BOE Technology Development Co., Ltd.
Inventor: Xuehuan Feng , Yongqian Li
IPC: G09G3/3266 , G09G3/3233 , G11C19/28
Abstract: A shift register unit, a display driving circuit, a display panel, and a control method. The shift register unit includes: an input circuit configured to provide signals of an input signal terminal (IN) and a power signal terminal (VGH) to first and second pull-up nodes (Q1, Q2); a first control circuit configured to control potentials of the first pull-down node (QB1), and the first pull-up node (Q1); a second control circuit configured to control potentials of the second pull-up node (Q2) and the second pull-down node (QB2) based on the first pull-up node (Q1) and the first pull-down node (QB1); and an output circuit configured to provide the signal of one of the power signal terminal (VGH) and the reference signal terminal (VGL) to an output signal terminal (OUT) under control of the second pull-up node (Q2) and the second pull-down node (QB2).
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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:US12217696B2
公开(公告)日:2025-02-04
申请号:US17914047
申请日:2021-11-09
Inventor: Xuehuan Feng , Yongqian Li
IPC: G09G3/3266 , G09G3/32 , G11C19/28
Abstract: A scan driving circuit includes shift registers and clock signal lines. A shift register includes: an output circuit electrically connected to a scan input signal terminal and a pull-up node; a black frame insertion circuit electrically connected to a first clock signal terminal, a black frame insertion input signal terminal, a first voltage signal terminal, a second clock signal terminal and the pull-up node; and an output circuit electrically connected to the pull-up node, a third clock signal terminal, a shift signal terminal, a fourth clock signal terminal and a first output signal terminal. The shift registers include first shift registers and second shift registers. Third and fourth clock signal terminals of a first shift register are electrically connected to a same clock signal line. Third and fourth clock signal terminals of a second shift register are electrically connected to different clock signal lines.
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公开(公告)号:US12217678B2
公开(公告)日:2025-02-04
申请号:US18257521
申请日:2022-04-27
Inventor: Xuehuan Feng , Yongqian Li
IPC: G09G3/3233 , H10K59/121 , H10K59/131
Abstract: A display substrate includes a plurality of pixel circuits, and the pixel circuits each include a sensing circuit and a light-emitting control circuit. In a second direction, adjacent three rows of pixel circuits are a first row of pixel circuits, a second row of pixel circuits and a third row of pixel circuits. A region between the first row of pixel circuits and the second row of pixel circuits is a first gap region. In the first row of pixel circuits and the second row of pixel circuits, a sensing circuit of each pixel circuit is closer to the first gap region than a light-emitting control circuit of the pixel circuit, and sensing signal terminals of sensing circuits of two pixel circuits in a same column are a same signal terminal.
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公开(公告)号:US12200989B2
公开(公告)日:2025-01-14
申请号:US17630171
申请日:2021-04-12
Inventor: Yongqian Li , Zhenhua Qiu , Ying Wang , Meng Li , Dongxu Han , Dacheng Zhang , Shi Sun
IPC: H10K59/131 , H10K50/86 , H10K59/12 , H10K59/121 , H10K71/00
Abstract: Provided in the present disclosure are a display substrate and a preparation method therefor, and a display apparatus. The display substrate comprises a plurality of display units, each display unit comprising a display area and a transparent area, and the display area comprising a plurality of sub-pixels; each sub-pixel comprises a second metal layer and a third metal layer, the second metal layer comprising a first scanning line and a second scanning line defining a display row, the third metal layer comprising a first power source line, a second power source line, a compensation line, and a data line defining the plurality of sub-pixels; the first power source line, the second power source line, the compensation line, and the data line all comprise a vertical linear section and a horizontal polyline section.
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公开(公告)号:US20250006121A1
公开(公告)日:2025-01-02
申请号:US18275228
申请日:2022-07-28
IPC: G09G3/3225 , G09G3/32
Abstract: Provided is a compensation method for a display device. The method includes: acquiring first detection voltages of the plurality of subpixels during a first shutdown compensation process; acquiring first position indication information based on the first detection voltages of the plurality of subpixels; and determining first compensation data based on the first position indication information. The first position indication information indicates column positions of pixels to which a plurality of first subpixels of the plurality of subpixels belong. The first compensation data includes first threshold compensation voltages of the plurality of subpixels, and an absolute value of a difference between the first threshold compensation voltage of the first subpixel and a first reference value is less than an absolute value of a difference between a second threshold compensation voltage of the first subpixel in the first compensation data and the first reference value.
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