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公开(公告)号：US20240386844A1
公开(公告)日：2024-11-21
申请号：US17914386
申请日：2021-09-08
IPC: G09G3/3233 , H10K59/131
Abstract: The present disclosure relates to a pixel driving circuit and a driving method thereof, a display panel, and a display device, the pixel driving circuit includes: a driving circuit, a control circuit, a first reset circuit, and a second reset circuit and a coupling circuit. The driving circuit, the control circuit, the first reset circuit and the second reset circuit all include transistors, the transistors in the driving circuit, the control circuit, the first reset circuit and the second reset circuit are all N-type transistors, the transistors in the first reset circuit are at least partially oxide transistors, and the transistors in the second reset circuit are at least partially the oxide transistors.
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公开(公告)号：US20240373708A1
公开(公告)日：2024-11-07
申请号：US18253951
申请日：2022-04-29
Inventor： Yipeng CHEN , Ling SHI
IPC: H10K59/131 , H10K59/12 , H10K77/10
Abstract: A display substrate includes a substrate, and first active layers, a first functional layer, a second active layer, a second functional layer and an interlayer dielectric layer stacked in sequence on the substrate. The display substrate further includes first vias, second vias and third vias. The first vias each penetrate at least a portion of the second functional layer and at least a portion of the first functional layer, and each expose a partial surface of a first active layer. The second vias each penetrate the interlayer dielectric layer, and are respectively communicated with the first vias. The third vias each penetrate the interlayer dielectric layer and at least another portion of the second functional layer, and each expose a partial surface of the second active layer. The first vias are formed before the interlayer dielectric layer, and the third vias are formed later than the interlayer dielectric layer.
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公开(公告)号：US20240321196A1
公开(公告)日：2024-09-26
申请号：US18027373
申请日：2022-05-27
Inventor： Zhu WANG , Ling SHI , Yanyang SHANG
IPC: G09G3/3233
CPC classification number: G09G3/3233 , G09G2300/0842 , G09G2310/061 , G09G2310/08 , G09G2330/021
Abstract: The invention relates to a pixel circuit, a driving method thereof, a display substrate and a display apparatus. The pixel circuit includes a first node control sub-circuit, a second node control sub-circuit, a light emitting control sub-circuit and a drive sub-circuit. The first node control sub-circuit is configured to supply a signal of the initial signal terminal to the first node and the fourth node under the control of the first reset signal terminal and the second scan signal terminal, and supply a signal of the second node to the first node under the control of the third scan signal terminal. The second node control sub-circuit is configured to supply a signal of the reference signal terminal to the second node and a signal of the data signal terminal to the third node under the control of the second reset signal terminal and the first scan signal terminal.
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公开(公告)号：US20240321000A1
公开(公告)日：2024-09-26
申请号：US18732894
申请日：2024-06-04
IPC: G06V40/13 , G06F3/041 , G06F3/042 , G06V10/141 , G06V10/143 , G09G3/3225 , H10K59/131 , H10K59/40 , H10K59/65 , H10K59/80
CPC classification number: G06V40/1318 , G06F3/0412 , G06V10/141 , G06V10/143 , H10K59/1315 , H10K59/40 , H10K59/65 , H10K59/8792 , G06F3/0421 , G09G3/3225 , G09G2300/0426 , G09G2300/0452 , G09G2300/0842 , G09G2354/00
Abstract: A display substrate and a display device are provided. The display substrate has a plurality of sub-pixels arranged in a plurality of rows and columns, and includes a base substrate, a driving circuit layer, a light-emitting device layer, and a black matrix layer, the driving circuit layer includes a first signal line and a second signal line arranged parallel to each other and arranged periodically, the black matrix layer includes a plurality of first light-transmitting openings and a plurality of second light-transmitting openings, orthographic projections of one row of second light-transmitting openings on the base substrate are between an orthographic projection of one first signal line shared by pixel driving circuits of at least one row of first sub-pixels on the base substrate and an orthographic projection of one second signal line shared by pixel driving circuits of at least one row of second sub-pixels on the base substrate.
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公开(公告)号：US20240265865A1
公开(公告)日：2024-08-08
申请号：US17905251
申请日：2021-08-30
Inventor： Zhu WANG , Zhenglong YAN , Ling SHI
IPC: G09G3/3233
CPC classification number: G09G3/3233 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2310/08 , G09G2320/0223 , G09G2320/0233
Abstract: A pixel circuit includes a light-emitting element, a driving circuit, a compensation control circuit, a data writing-in circuit, a first reset circuit, a light-emitting control circuit and an energy storage circuit; the compensation control circuit controls to connect the control end and the first end of the driving circuit; the data writing-in circuit writes a data voltage into the second end of the driving circuit; the first reset circuit writes a reference voltage into the control end of the driving circuit under the control of a reset control signal; the energy storage circuit is electrically connected to the control end of the driving circuit and the first electrode of the light-emitting element, and is configured to store electrical energy; the driving circuit controls to connect the first end and the second end of the driving circuit under the control of the control end thereof.
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Patent Agency Ranking
公开(公告)号：US20240224644A1
公开(公告)日：2024-07-04
申请号：US18292310
申请日：2021-08-26
Inventor： Ling SHI , Yipeng CHEN , Lang LIU , Dan GUO , Chuntong JIANG , Xuewei TIAN
IPC: H10K59/131 , H10K59/65
CPC classification number: H10K59/131 , H10K59/65
Abstract: A display panel and a display device. A display area of the display panel comprises a light-transmitting display area (b) and a non-light-transmitting display area (a), the density of pixel circuits of the light-transmitting display area (b) being lower than that of the non-light-transmitting display area (a). The portion of the display panel that is located at the light-transmitting display area (b) comprises: a base substrate; a plurality of pixel circuits (10), wherein the plurality of pixel circuits (10) are arranged on one side of the base substrate; and a signal line, which is used for connecting different pixel circuits (10), wherein the signal line comprises a transparent wire (20) and a metal wire (30), and the metal wire (30) is aperiodically arranged.
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公开(公告)号：US20240144867A1
公开(公告)日：2024-05-02
申请号：US17772152
申请日：2021-05-25
Inventor： Shuai XIE , Xuewei TIAN , Ling SHI , Yipeng CHEN
IPC: G09G3/3208
CPC classification number: G09G3/3208 , G09G2300/0426 , G09G2300/0819 , G09G2300/0842 , G09G2310/0262 , G09G2310/08 , G09G2320/0233 , G09G2320/0247
Abstract: Disclosed are a pixel circuit, a driving method thereof, and a display apparatus. The pixel circuit includes a driving sub-circuit, a writing sub-circuit, a compensation sub-circuit, a reset sub-circuit, and a light-emitting element, the driving sub-circuit provides a driving current to a third node in response to a control signal of a first node; the writing sub-circuit writes a signal of a data signal line to a second node in response to a control signal of a first scan signal line, the signal of the data signal line is a data voltage signal or a reset voltage signal; the compensation sub-circuit writes the reset voltage signal to the third node in response to a control signal of the first scan signal line; the compensation sub-circuit further compensates the first node in response to a control signal of the first scan signal line.
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公开(公告)号：US20230350516A1
公开(公告)日：2023-11-02
申请号：US17757208
申请日：2021-08-27
CPC classification number: G06F3/04164 , G06F3/044 , H10K59/40 , G06F2203/04107
Abstract: Provided are a display panel and a display apparatus. The display panel includes: a substrate; a plurality of touch electrodes at least partially located on the substrate in a display area; a plurality of touch leads located on the substrate, one ends of the touch leads being coupled to the touch electrodes, and the other ends of the touch leads being located in a peripheral area; a plurality of data leads located on the substrate in the peripheral area; and a plurality of shield lines located on the substrate in the peripheral area, orthographic projections of the shield lines on the substrate being located between orthographic projections of the touch leads on the substrate and orthographic projections of the data leads on the substrate, and at least two of the plurality of shield lines in the display panel being connected to each other in a shorted manner.
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公开(公告)号：US20230154409A1
公开(公告)日：2023-05-18
申请号：US17628305
申请日：2021-03-09
Inventor： Zhu WANG , Ling SHI , Yipeng CHEN , Ke LIU
IPC: G09G3/3266 , G11C19/28 , G09G3/20
CPC classification number: G09G3/3266 , G11C19/28 , G09G3/2096 , H10K59/12
Abstract: The present disclosure provides a shift register circuit, including A shift register circuit (100) includes: an input circuit (110), a reset circuit (180), a first control circuit (120), a second control circuit (130), a third control circuit (140), a fourth control circuit (150), a fifth control circuit (160), a first output circuit (170a), a second output circuit (170b) and a third output circuit (170c). The shift register circuit (100) is configured to be capable of providing three different output signals as three different gate driving signals required to drive a pixel array of a display panel (810).
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公开(公告)号：US20230081009A1
公开(公告)日：2023-03-16
申请号：US17800923
申请日：2021-08-13
Inventor： Ling SHI , Ke LIU , Yipeng CHEN , Zhenhua ZHANG
IPC: G09G3/3216 , G09G3/3225
Abstract: A display panel includes a substrate, first light-emitting devices located in a first display area, a first driving circuit, second light-emitting devices located in a second display area, and a second driving circuit. The first driving circuit is configured to actively drive the first light-emitting devices to emit light, and includes a plurality of pixel driving circuits and a signal line. The signal line is located in the second display area, and extends along an edge of the second display area. An orthographic projection of the signal line on the substrate and an orthogonal projection of the first display area on the substrate have a gap therebetween. The second driving circuit is configured to passively drive the second light-emitting devices to emit light. An orthographic projection of at least one of the second light-emitting devices on the substrate is overlapped with an orthogonal projection of the gap on the substrate.
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