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公开(公告)号：US20250087159A1
公开(公告)日：2025-03-13
申请号：US18955129
申请日：2024-11-21
Inventor： Hongting LU , Yuhsiung FENG , Xin MOU , Chenyu CHEN , Shuang ZHAO , Zhongliu YANG , Jing YANG , Wenbo CHEN
IPC: G09G3/3233 , H10K59/131
Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and a plurality of sub-pixels on the base substrate, each sub-pixel includes a pixel circuit, and the pixel circuit includes a first reset sub-pixel. The first reset sub-pixel is configured to apply a first reset voltage to a light-emitting element in response to a first reset control voltage to reversely bias the light-emitting element.
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公开(公告)号：US20250087151A1
公开(公告)日：2025-03-13
申请号：US18558257
申请日：2022-12-09
Inventor： Zhu WANG , Yanyang SHANG , Zhenglong YAN , Ling SHI
IPC: G09G3/3233 , H10K59/121 , H10K59/131
Abstract: A pixel circuit includes a driving transistor, a reset sub-circuit, a leakage prevention sub-circuit and a data writing sub-circuit. The reset sub-circuit is configured to, under control of a first scanning signal, transmit a reference voltage signal to a first electrode of the driving transistor. The leakage prevention sub-circuit is configured to, under control of a second scanning signal, connect the first electrode of the driving transistor to a control electrode of the driving transistor. The data writing sub-circuit is configured to, under control of a third scanning signal, transmit a data signal to a second electrode of the driving transistor. The reset sub-circuit and the data writing sub-circuit are turned on sequentially when the leakage prevention sub-circuit is turned on; and the reset sub-circuit is turned on at least once when the leakage prevention sub-circuit is turned off.
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公开(公告)号：US20250087149A1
公开(公告)日：2025-03-13
申请号：US18288454
申请日：2022-12-15
Inventor： Kening ZHENG , Xueguang HAO , Xing YAO
IPC: G09G3/3233
Abstract: The present disclosure provides a display panel and a display apparatus, and belongs to the field of display technology, and can solve the problem of the color shift easily occurring in the high-temperature reliability test in the related display panel. The display panel of the present disclosure includes: a plurality of sub-pixel units and a voltage control module; each sub-pixel unit includes: a light emitting device; and the voltage control module is connected to an anode of the corresponding light emitting device, and is configured to control an anode voltage of the corresponding light emitting device, so that a ratio of the number of electrons to the number of holes of the light emitting device is unchanged at different gray scales.
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公开(公告)号：US20250081831A1
公开(公告)日：2025-03-06
申请号：US18557996
申请日：2022-10-11
Inventor： Tinghua SHANG , Yi ZHANG , Tingliang LIU , Huijuan YANG , Hongwei MA , Yang ZHOU , Qi QI , Chengjie QIN , Wei ZHANG , Ping WEN , Benlian WANG , Yue LONG , Weiyun HUANG
Abstract: Provided are a display substrate and a display device. In the display substrate, the first separation structure includes a first separation part and a second separation part which are stacked, the second separation structure includes a third separation part and a fourth separation part which are stacked, the second separation part has a first protruding part, the first protruding part protrudes relative to the first separation part, and at least one sub-functional layer of the light-emitting functional layer is disconnected at the first protruding part; the fourth separation part has a second protruding part, the second protruding part protrudes relative to the third separation part, and at least one sub-functional layer of the light-emitting functional layer is disconnected at the second protruding part; the first separation structure surrounds the light-emitting region; and the second separation structure is ring-shaped so as to surround the hole region.
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公开(公告)号：US20250081822A1
公开(公告)日：2025-03-06
申请号：US18283240
申请日：2022-11-15
IPC: H10K59/80 , H10K59/12 , H10K59/131
Abstract: Provided is a display panel, including a driver backplane, a light-emitting functional layer, and a light-extraction layer. The light-emitting functional layer and the light-extraction layer are successively stacked on a bearing surface of the driver backplane. The light-emitting functional layer includes a plurality of light-emitting units arranged in arrays. The light-extraction layer includes a first sub-layer and a second sub-layer, which are successively stacked on the light-emitting functional layer. A refractive index of the first sub-layer is less than a refractive index of the second sub-layer. A plurality of grooves are defined in the first sub-layer, and each of the plurality of grooves is opposite to one of the plurality of light-emitting units. A portion of the second sub-layer is within the plurality of grooves. A boundary length of the groove is greater than a boundary length of a light-emitting region of the corresponding one of the light-emitting units.
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Patent Agency Ranking
公开(公告)号：US20250081819A1
公开(公告)日：2025-03-06
申请号：US18282980
申请日：2022-12-21
Inventor： Cheng ZENG , Jaeho LEE , Dongyu GAO , Dan WANG , Lulin MA , Zhenye WEI , Qiyun WANG , Xingjian CHENG
IPC: H10K59/80 , H10K59/12 , H10K59/122 , H10K59/38 , H10K102/00
Abstract: Provided is a display panel. The display panel includes: a base substrate, a plurality of light-emitting devices, a package layer, a hydrophobic layer, an isolation portion, and a light conversion structure; wherein the light-emitting devices are disposed on a side of the base substrate; the package layer is disposed on a side of the light-emitting devices and configured to package the light-emitting devices; the hydrophobic layer is disposed on a side of the package layer and in direct contact with the package layer; the isolation portion is disposed on a side of the hydrophobic layer, wherein a plurality of apertures are defined in the isolation portion; and the light conversion structure is disposed in the apertures and includes a transparent medium layer and a plurality of particles, and a face of the transparent medium layer is in direct contact with the hydrophobic layer.
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公开(公告)号：US20250081818A1
公开(公告)日：2025-03-06
申请号：US18950301
申请日：2024-11-18
Inventor： Liudong ZHU , Yiyang ZHANG , Qun MA , Chenxing WAN , Jiahao GUO , Yuqing YANG
Abstract: A display substrate and a manufacturing method thereof, and a display device are provided. The display substrate has an opening region, a display region, and an opening peripheral region between the opening region and the display region, and includes a base substrate, the opening peripheral region includes a first barrier dam and an insulating protection layer, the first barrier dam at least partially surrounds the opening region, the insulating protection layer includes at least one first material removal region, and a projection of the first material removal region on the base substrate is overlapped with a projection of the first barrier dam on the base substrate; in the at least one first material removal region, a material of the insulating protection layer is at least partially removed, to form a recess portion in the insulating protection layer or a through hole penetrating the insulating protection layer.
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公开(公告)号：US20250081787A1
公开(公告)日：2025-03-06
申请号：US18285879
申请日：2022-04-29
Inventor： Dongfang YANG , Kening ZHENG , Dengyu WANG , Yamin YANG , Xueguang HAO , Jingquan WANG
IPC: H10K59/35 , H10K50/852 , H10K59/12 , H10K71/16 , H10K102/00
Abstract: The present disclosure provides a display panel, a method for preparing the same, and a display device. The display panel includes a substrate and a light-emitting functional layer. The substrate includes a first display area and a second display area at least partially surrounding the first display area, the first display area being configured for image display and light transmission, the second display area being configured for image display. The light-emitting functional layer is disposed on a side of the substrate, and includes an organic electroluminescent layer. Each of the first display area and the second display area includes a plurality of sub-pixels emitting light of different colors, and organic electroluminescent layers of respective sub-pixels of the plurality of sub-pixels in the first display area emit light of a same color.
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公开(公告)号：US20250081775A1
公开(公告)日：2025-03-06
申请号：US18726797
申请日：2023-05-06
Inventor： Yuanjie XU , Ming HU , Taofeng XIE , Haodi LIU
IPC: H10K59/131 , H10K59/124
Abstract: A display substrate, comprising: a base; and a circuit structure layer arranged on the base. The base comprises a display region; and a peripheral region located on the periphery of the display region. The display region comprises a first display area and a second display area, the first display area at least partially surrounds the second display area. The circuit structure layer comprises a plurality of pixel circuits, a plurality of initial signal lines, and at least one electrostatic conduction line. The plurality of initial signal lines are electrically connected to the plurality of pixel circuits and extend in a first direction, the electrostatic conduction line extends in a second direction. The plurality of pixel circuits are located in first display area, the plurality of initial signal lines are located at least in first display area. The electrostatic conduction line is electrically connected to at least two initial signal lines.
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公开(公告)号：US20250081774A1
公开(公告)日：2025-03-06
申请号：US18693966
申请日：2023-07-31
Inventor： Chaojun ZENG , Baosheng HE , Xiaolong WANG , Minghui WANG , Quan LIU
IPC: H10K59/131
Abstract: The display substrate comprises a display area and a peripheral area surrounding the display area. The display substrate comprises: a substrate, a first and second conductive layers located on the substrate and sequentially arranged in the direction away from the substrate, and a first organic insulating layer located between the first and second conductive layers. The first conductive layer comprises a plurality of first metal wires extending in a first direction. The second conductive layer comprises a plurality of second metal wires extending in the first direction. In the peripheral area, the first organic insulating layer is divided, and the edge of the first organic insulating layer extends in a second direction and forms a first step. The second direction intersects with the first direction. The first step comprises at least one protruding structure and at least one recess structure located between the adjacent second metal wires.
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