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公开(公告)号：US12080241B2
公开(公告)日：2024-09-03
申请号：US18124054
申请日：2023-03-21
Inventor： Xin Mou , Yongfu Diao
IPC: G09G3/3258
CPC classification number: G09G3/3258 , G09G2300/0426 , G09G2300/0452 , G09G2300/0809 , G09G2300/0842 , G09G2310/061 , G09G2320/0233
Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and sub-pixels on the base substrate, a sub-pixel includes an organic light emitting element and a pixel circuit, the organic light emitting element includes a first electrode, a light emitting layer and a second electrode which is electrically connected to the pixel circuit. The sub-pixels include first color sub-pixels, second color sub-pixels and third color sub-pixels, current efficiency of a first color sub-pixel is different from that of a second color sub-pixel. The display substrate includes a source-drain metal layer which includes a first power signal line, the display substrate includes a second power signal line and reset power signal lines, the reset power signal lines include a first reset power signal line and a second reset power signal line which are electrically connected to the pixel circuit.
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公开(公告)号：US11974465B2
公开(公告)日：2024-04-30
申请号：US18194921
申请日：2023-04-03
Inventor： Xin Mou , Yongfu Diao
IPC: G09G3/30 , G09G3/20 , G09G3/3233 , H10K59/121 , H10K59/126 , H10K59/131 , H10K71/00 , G06F3/038 , H01L27/12 , H10K59/12 , H10K59/35
CPC classification number: H10K59/1213 , G09G3/2003 , G09G3/3233 , H10K59/1216 , H10K59/126 , H10K59/131 , H10K71/00 , G06F3/038 , G09G3/30 , G09G2300/0426 , G09G2300/0443 , G09G2310/061 , H01L27/1222 , H10K59/1201 , H10K59/352
Abstract: A display substrate and a display device are provided. The display substrate includes sub-pixels and a light emitting control signal line. The sub-pixel includes an organic light emitting element and a pixel circuit, the organic light emitting element includes a second electrode, the pixel circuit includes a driving transistor and a first light emitting control transistor, and the pixel circuit further includes a connection structure. In the second color sub-pixel, a first electrode of the first light emitting control transistor is electrically connected with the connection structure through a first connection hole, and the connection structure is electrically connected with the second electrode through a second connection hole, the first connection hole and the second connection hole are located on both sides of the light emitting control signal line. In the third color sub-pixel, the second electrode does not overlap with a channel of the driving transistor.
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公开(公告)号：US11937459B2
公开(公告)日：2024-03-19
申请号：US18194921
申请日：2023-04-03
Inventor： Xin Mou , Yongfu Diao
IPC: G09G3/30 , G09G3/20 , G09G3/3233 , H10K59/121 , H10K59/126 , H10K59/131 , H10K71/00 , G06F3/038 , H01L27/12 , H10K59/12 , H10K59/35
CPC classification number: H10K59/1213 , G09G3/2003 , G09G3/3233 , H10K59/1216 , H10K59/126 , H10K59/131 , H10K71/00 , G06F3/038 , G09G3/30 , G09G2300/0426 , G09G2300/0443 , G09G2310/061 , H01L27/1222 , H10K59/1201 , H10K59/352
Abstract: A display substrate and a display device are provided. The display substrate includes sub-pixels and a light emitting control signal line. The sub-pixel includes an organic light emitting element and a pixel circuit, the organic light emitting element includes a second electrode, the pixel circuit includes a driving transistor and a first light emitting control transistor, and the pixel circuit further includes a connection structure. In the second color sub-pixel, a first electrode of the first light emitting control transistor is electrically connected with the connection structure through a first connection hole, and the connection structure is electrically connected with the second electrode through a second connection hole, the first connection hole and the second connection hole are located on both sides of the light emitting control signal line. In the third color sub-pixel, the second electrode does not overlap with a channel of the driving transistor.
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公开(公告)号：US11653530B2
公开(公告)日：2023-05-16
申请号：US17576277
申请日：2022-01-14
Inventor： Xin Mou , Yongfu Diao
CPC classification number: H01L27/3262 , G09G3/2003 , G09G3/3233 , H01L27/3265 , H01L27/3272 , H01L27/3276 , H01L51/56 , G06F3/038 , G09G3/30 , G09G2300/0426 , G09G2300/0443 , G09G2310/061 , H01L27/1222 , H01L27/3216 , H01L2227/323
Abstract: A display substrate and a display device are provided. The display substrate includes sub-pixels and a light emitting control signal line. The sub-pixel includes an organic light emitting element and a pixel circuit, the organic light emitting element includes a second electrode, the pixel circuit includes a driving transistor and a first light emitting control transistor, and the pixel circuit further includes a connection structure. In the second color sub-pixel, a first electrode of the first light emitting control transistor is electrically connected with the connection structure through a first connection hole, and the connection structure is electrically connected with the second electrode through a second connection hole, the first connection hole and the second connection hole are located on both sides of the light emitting control signal line. In the third color sub-pixel, the second electrode does not overlap with a channel of the driving transistor.
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公开(公告)号：US11968862B2
公开(公告)日：2024-04-23
申请号：US17255979
申请日：2020-11-27
Inventor： Yongfu Diao , Chenyu Chen
IPC: H10K59/131 , G09G3/3233 , H10K59/121 , H10K59/123 , H10K59/126
CPC classification number: H10K59/131 , G09G3/3233 , H10K59/1213 , H10K59/1216 , H10K59/123 , H10K59/126 , G09G2300/0426 , G09G2300/0842 , G09G2300/0861
Abstract: A display substrate and a display device are provided. The display substrate includes a base and subpixels. The subpixel includes: a data line pattern; a power source signal line pattern including a portion extending in the first direction; and a subpixel driving circuitry. The subpixel driving circuitry includes two switching transistors, a driving transistor, and a storage capacitor. First and second electrode plates of the storage capacitor are coupled to a gate electrode of the driving transistor and the power source signal line pattern respectively. Second electrodes of the two switching transistors are coupled to a first electrode of the driving transistor. An orthogonal projection of the second electrode of at least one of the switching transistors onto the base at least partially overlaps an orthogonal projection of the power source signal line pattern onto the base, and at least partially overlaps an orthogonal projection of the second electrode plate of the storage capacitor onto the base.
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Patent Agency Ranking
公开(公告)号：US11469291B2
公开(公告)日：2022-10-11
申请号：US17040846
申请日：2019-11-29
Inventor： Yongfu Diao , Chenyu Chen
IPC: G09G3/3233 , H01L27/32
Abstract: A display substrate includes a substrate and a plurality of sub-pixels arranged in an array on the substrate. The sub-pixel includes: a data line pattern extending along a first direction; a power signal line pattern, the power signal line pattern including a portion extending along the first direction: and a sub-pixel driving circuit. The sub-pixel driving circuit includes two switching transistors, a driving transistor, and a storage capacitor; a first/second electrode plate of the storage capacitor is coupled to a gate electrode of the driving transistor/ the power signal line pattern, second electrodes of the two switching transistors are both coupled to a first electrode of the driving transistor, and orthographic projection of a second electrode of at least one of the two switching transistors on the substrate at least partially overlaps orthographic projection of the power signal line pattern or the second electrode plate on the substrate.
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公开(公告)号：US11232755B2
公开(公告)日：2022-01-25
申请号：US16976191
申请日：2019-10-23
Inventor： Zhongliu Yang , Yudan Shui , Yongfu Diao , Wenkang Wang , Chenyu Chen
IPC: G09G3/3275
Abstract: A display substrate and a manufacturing method therefor, and a display device are provided. The display substrate includes a base substrate, a plurality of sub-pixels, a plurality of data lines, a plurality of data lead lines, at least one group of contact pads, and a first insulation layer. The base substrate includes a display region and a bonding region; the data lines are configured to provide data signals to the sub-pixels; the data lead lines are electrically connected to the data lines, respectively; the at least one group of contact pads includes a first group of contact pads and a second group of contact pads; the first insulation layer is in gaps between the contact pads and covers edges of the contact pads, and is configured to expose surfaces, away from the base substrate, of the contact pads.
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公开(公告)号：US12021087B2
公开(公告)日：2024-06-25
申请号：US17255815
申请日：2019-10-22
Inventor： Yongfu Diao , Wenkang Wang , Zhongliu Yang , Chenyu Chen
IPC: H01L27/12 , H10K59/12 , H01L27/02 , H10K59/121
CPC classification number: H01L27/1222 , H01L27/124 , H01L27/1274 , H01L27/0207 , H10K59/1213
Abstract: A display substrate, a method of forming a display substrate, a display panel and a display device are provided. The display substrate includes a thin film transistor array layer, where a semiconductor material layer pattern of a driving transistor in the thin film transistor array layer includes a first channel portion, and the first channel portion includes a first sub-channel portion and a second sub-channel portion; the semiconductor material layer pattern further includes a first conductive portion, an included angle between a straight line where a current conduction direction of the first sub-channel portion is located and a straight line where an extending direction of a data line in the thin film transistor array layer is located is a first included angle.
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公开(公告)号：US11636809B2
公开(公告)日：2023-04-25
申请号：US17506041
申请日：2021-10-20
Inventor： Xin Mou , Yongfu Diao
IPC: G09G3/3258
Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and sub-pixels on the base substrate, a sub-pixel includes an organic light emitting element and a pixel circuit, the organic light emitting element includes a first electrode, a light emitting layer and a second electrode which are stacked, the second electrode is electrically connected to the pixel circuit. The display substrate further includes an active semiconductor layer, a first conductive layer, a second conductive layer, a source-drain metal layer, and a third conductive layer, the source-drain metal layer includes a first power signal line, and the third conductive layer includes a second power signal line; the display substrate further includes reset power signal lines, the reset power signal lines include a first reset power signal line and a second reset power signal line which are electrically connected to the pixel circuit.
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公开(公告)号：US11296171B2
公开(公告)日：2022-04-05
申请号：US17256869
申请日：2020-11-27
Inventor： Xin Mou , Yongfu Diao
IPC: G09G3/30 , H01L27/32 , G09G3/3233 , G09G3/20 , H01L27/12
Abstract: A display substrate and a display device are provided. The display substrate includes sub-pixels and a light emitting control signal line. The sub-pixel includes an organic light emitting element and a pixel circuit, the organic light emitting element includes a second electrode, the pixel circuit includes a driving transistor and a first light emitting control transistor, and the pixel circuit further includes a connection structure. In the second color sub-pixel, a first electrode of the first light emitting control transistor is electrically connected with the connection structure through a first connection hole, and the connection structure is electrically connected with the second electrode through a second connection hole, the first connection hole and the second connection hole are located on both sides of the light emitting control signal line. In the third color sub-pixel, the second electrode does not overlap with a channel of the driving transistor.
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