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公开(公告)号：US12225768B2
公开(公告)日：2025-02-11
申请号：US17628678
申请日：2021-02-20
Applicant: BOE Technology Group Co., Ltd.
Inventor： Zhijian Zhu , Longfei Fan , Pengcheng Lu , Xiaochuan Chen , Qian Wu
IPC: H01L27/32 , H10K59/121 , H10K59/131
Abstract: A display panel and a display apparatus are provided. The display panel includes a base substrate including a pixel circuit and a light-emitting element. The pixel circuit includes a data writing sub-circuit, a storage sub-circuit, a driver sub-circuit and a first sub-circuit. The data writing sub-circuit is configured to transmit a data signal to a first terminal of the storage sub-circuit in response to a control signal. A control electrode of the driver sub-circuit is coupled to the storage sub-circuit, a first electrode of the driver sub-circuit is configured to receive a first power supply voltage, and a second electrode is coupled to a first electrode of the light-emitting element. The first sub-circuit includes a first transistor, where a gate and a first electrode of the first transistor are both coupled to the same electrode of the driver sub-circuit.
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公开(公告)号：US12238986B2
公开(公告)日：2025-02-25
申请号：US17441738
申请日：2020-12-16
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yunlong Li , Pengcheng Lu , Longfei Fan , Dongsheng Li , Zhijian Zhu , Yuanlan Tian
IPC: H10K59/131 , H10K59/122 , H10K59/35 , H10K59/38 , H10K59/80 , H10K59/88 , H10K71/00 , H10K59/12
Abstract: This disclosure provides a display device, a display panel, and a fabrication method thereof. The display panel includes a driving backplane, a first electrode layer, a pixel definition layer, a light-emitting functional layer, and a second electrode layer. The first electrode layer is arranged on a side surface of the driving backplane and includes a first electrode and a transferring ring. The pixel definition layer covers the first electrode layer and the driving backplane. The light-emitting functional layer is arranged on a surface of the first electrode layer facing away from the driving backplane, and the light-emitting functional layer is in a range of a transferring area of the driving backplane. The second electrode layer covers the pixel definition layer and the light-emitting functional layer. A boundary of the second electrode layer is inside a boundary of the pixel definition layer and is connected with the transferring ring.
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公开(公告)号：US12154495B2
公开(公告)日：2024-11-26
申请号：US18021438
申请日：2022-06-29
Inventor： Yaoxi Ma , Longfei Fan , Pengcheng Lu , Shengji Yang , Xiaochuan Chen , Shanghong Jiang , Zhijian Zhu , Huaiyun Fan
IPC: G09G3/3225 , G09G3/3266 , G11C19/28 , H10K59/131
Abstract: An array base plate includes a silicon substrate including multiple cascaded EOA units disposed at a peripheral area; the EOA units are electrically connected to a pixel driving unit; each EOA unit includes an input circuit transmitting a signal input by a light-emitting control signal input line to the EOA unit; a first control circuit transmitting a second power signal input by a second power signal line to a first node, and transmitting a first power signal input by a first power signal line to a second node; a second control circuit transmitting a second clock signal to a third node or transmitting the second power signal to the third node; a pull-up circuit transmitting the first power signal to a light-emitting control signal output line, and a pull-down circuit transmitting the second power signal to the light-emitting control signal output line.
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公开(公告)号：US12073784B2
公开(公告)日：2024-08-27
申请号：US17918590
申请日：2021-05-31
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dongsheng Li , Longfei Fan , Qian Wu
IPC: G09G3/3233
CPC classification number: G09G3/3233 , G09G2300/0426 , G09G2300/0842 , G09G2310/0286 , G09G2330/021
Abstract: The line drive signal enhancement circuit includes a first control unit, a second control unit, a first output unit and a second output unit. The first control unit is used for outputting the first power supply voltage to the first node or the second node under the control of the first control terminal and the second control terminal. The second control unit is used for outputting the second power supply voltage to the second node in response to the first power supply voltage on the first node, and is further used for outputting the second power supply voltage to the first node in response to the first power supply voltage on the second node.
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公开(公告)号：US20220293031A1
公开(公告)日：2022-09-15
申请号：US17683734
申请日：2022-03-01
Inventor： Qian Wu , Pengcheng Lu , Zhijian Zhu , Chenyu Chen , Yunlong Li , Dongsheng Li , Wei Liu , Longfei Fan , Rongfei Chen , Dacheng Zhang , Yuanlan Tian
IPC: G09G3/20 , H01L27/32 , G09G3/3225
Abstract: A display panel is provided. The display panel includes a driving back plate and a pixel layer disposed on a side of the driving back plate. The pixel layer includes a plurality of pixels, and the pixel includes m color sub-pixels for emitting color light and k white sub-pixels for emitting white light, wherein m and k are both integers greater than 1. The k white sub-pixels are configured to adjust the luminance of the pixel.
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Patent Agency Ranking
公开(公告)号：US20250140184A1
公开(公告)日：2025-05-01
申请号：US18683639
申请日：2023-01-04
Inventor： Longfei Fan , Yaoxi Ma , Xiaochuan Chen , Qingshan Shan , Pengcheng Lu , Shengji Yang , Shanghong Jiang
IPC: G09G3/3233 , G09G3/32
Abstract: An array base plate includes a substrate; a plurality of sub-pixels; and a plurality of gate lines and a plurality of data lines, wherein the plurality of gate lines intersect with the plurality of data lines, each of the sub-pixels is located at a position limited by two adjacent gate lines and two adjacent data lines, and each of the sub-pixels includes a pixel driving circuit and a light emitting device that are connected; wherein the pixel driving circuit includes: a drive module and a first control module, the pixel driving circuit further includes an auxiliary anode, the auxiliary anode is located between the anode and the substrate, and the auxiliary anode is electrically connected to the anode; the first power signal line includes a first part and a second part that are electrically connected.
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公开(公告)号：US12002421B2
公开(公告)日：2024-06-04
申请号：US17771096
申请日：2021-05-31
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yunlong Li , Longfei Fan , Qian Wu
IPC: G09G5/00 , G09G3/3225 , G11C19/28 , H01L27/12
CPC classification number: G09G3/3225 , G11C19/28 , H01L27/124 , G09G2310/0286 , G09G2320/0223 , G09G2320/0233 , G09G2330/02
Abstract: The present disclosure provides a line drive signal enhancement circuit, a shift register unit, and a display panel, and relates to the technical field of display. The line drive signal enhancement circuit includes a control unit, an inverter unit, a first output unit and a second output unit. The control unit has a first peripheral control terminal and a second peripheral control terminal respectively loaded with two inverted signals, and the input terminal is electrically connected with the first power supply lead. The first output unit and the second output unit both have two input terminals. The two input terminals are respectively electrically connected with the first power supply lead and the second power supply lead. The output terminal of the control unit is electrically connected with the control terminal of the first output unit and/or the control terminal of the second output unit.
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公开(公告)号：US11763721B2
公开(公告)日：2023-09-19
申请号：US17683734
申请日：2022-03-01
Inventor： Qian Wu , Pengcheng Lu , Zhijian Zhu , Chenyu Chen , Yunlong Li , Dongsheng Li , Wei Liu , Longfei Fan , Rongfei Chen , Dacheng Zhang , Yuanlan Tian
IPC: G09G3/20 , H01L27/32 , G09G3/3225 , H10K59/38 , H10K59/122 , H10K59/35
CPC classification number: G09G3/2003 , G09G3/3225 , H10K59/122 , H10K59/351 , H10K59/353 , H10K59/38 , G09G2300/0452
Abstract: A display panel is provided. The display panel includes a driving back plate and a pixel layer disposed on a side of the driving back plate. The pixel layer includes a plurality of pixels, and the pixel includes m color sub-pixels for emitting color light and k white sub-pixels for emitting white light, wherein m and k are both integers greater than 1. The k white sub-pixels are configured to adjust the luminance of the pixel.
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公开(公告)号：US20220344428A1
公开(公告)日：2022-10-27
申请号：US17628671
申请日：2021-02-23
Applicant: BOE Technology Group Co., Ltd.
Inventor： Qian Wu , Longfei Fan , Pengcheng Lu , Xiaochuan Chen
IPC: H01L27/32
Abstract: A display panel and a display device, the display panel includes a sub-pixel, wherein the sub-pixel includes a pixel circuit and a light emitting element, the pixel circuit includes a data writing sub-circuit, a storage sub-circuit and a driving sub-circuit. The storage sub-circuit includes a storage capacitor (Cst) including a first capacitor electrode and a second capacitor electrode, the second capacitor electrode includes a first region, a second region and a third region, a carrier mobility in the second region is different from a carrier mobility in the first and third regions, and an area of the second region is larger than an area of the first and third regions. The control electrode of the driving sub-circuit and the first capacitor electrode are disposed in the same layer and implemented as an integral structure.
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公开(公告)号：US20220344425A1
公开(公告)日：2022-10-27
申请号：US17628678
申请日：2021-02-20
Applicant: BOE Technology Group Co., Ltd.
Inventor： Zhijian Zhu , Longfei Fan , Pengcheng Lu , Xiaochuan Chen , Qian Wu
IPC: H01L27/32
Abstract: A display panel and a display apparatus are provided. The display panel includes a base substrate including a pixel circuit and a light-emitting element. The pixel circuit includes a data writing sub-circuit, a storage sub-circuit, a driver sub-circuit and a first sub-circuit. The data writing sub-circuit is configured to transmit a data signal to a first terminal of the storage sub-circuit in response to a control signal. A control electrode of the driver sub-circuit is coupled to the storage sub-circuit, a first electrode of the driver sub-circuit is configured to receive a first power supply voltage, and a second electrode is coupled to a first electrode of the light-emitting element. The first sub-circuit includes a first transistor, where a gate and a first electrode of the first transistor are both coupled to the same electrode of the driver sub-circuit.
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