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公开(公告)号：US20240260363A1
公开(公告)日：2024-08-01
申请号：US18620574
申请日：2024-03-28
Applicant: BOE TECHNOLOGY Group Co, Ltd.
Inventor： Li Wang , Bo Wang , Jingquan Wang
IPC: H10K59/131 , G09G3/00 , G09G3/3225 , H10K59/121 , H10K59/35
CPC classification number: H10K59/131 , G09G3/00 , G09G3/3225 , H10K59/1213 , H10K59/1216 , H10K59/353 , G09G2300/00
Abstract: Provided are a display panel and a manufacturing method thereof, and a display device. The display panel includes: a base substrate including a display area and a peripheral area; a plurality of sub-pixels, each sub-pixel including a light-emitting element and a pixel driving circuit; a plurality of gate lines and light-emitting control lines; a gate driving circuit located at the display area and including cascaded multistage gate driving units, one or more stages include gate driving sub-circuits including a first and a second gate driving sub-circuit spaced apart by pixel driving circuits of a first group of sub-pixels; and a light-emitting control driving circuit located at the display area and including cascaded multistage light-emitting control driving units, one or more stages include light-emitting control driving sub-circuits including a first and a second light-emitting control driving sub-circuit spaced apart by pixel driving circuits of a second group of sub-pixels.
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公开(公告)号：US12048216B2
公开(公告)日：2024-07-23
申请号：US17428629
申请日：2020-10-22
Applicant: BOE Technology Group Co., Ltd.
IPC: H10K59/13 , H10K59/121 , H10K59/131 , H10K59/35
CPC classification number: H10K59/353 , H10K59/1216 , H10K59/131 , H10K59/351 , H10K59/352 , G09G2300/0426 , G09G2310/0205
Abstract: An array substrate is provided. The array substrate includes a plurality of subpixels arranged in an array comprising M rows and N columns. The array substrate includes a respective first subpixel in a (2n−1)-th column and in a (2m−1)-th row; a respective second subpixel in a (2n−1)-th column and in a (2m)-th row; a respective third subpixel in a (2n)-th column and in a (2m)-th row; and a respective fourth subpixel in a (2n)-th column and in a (2m−1)-th row.
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公开(公告)号：US12046201B2
公开(公告)日：2024-07-23
申请号：US17279462
申请日：2020-06-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Li Wang , Bo Wang , Jingquan Wang
IPC: G09G3/3266 , G09G3/3233 , H10K59/12 , H10K59/131
CPC classification number: G09G3/3266 , G09G3/3233 , G09G2300/0408 , G09G2300/0426 , G09G2310/0286 , G09G2320/0233 , H10K59/1201 , H10K59/131
Abstract: Provided are a display panel and a manufacturing method thereof, and a display device. The display panel includes: a base substrate including a display area and a peripheral area; a plurality of sub-pixels and gate lines located at the display area; and a gate driving circuit including cascaded multistage gate driving units, one or more stages gate driving units include first and second gate driving sub-circuits spaced apart by pixel driving circuits of a first group of sub-pixels; a gate driving sub-circuit connection line connected to the first and second gate driving sub-circuits. The pixel driving circuit of at least one of the first group of sub-pixels includes: a first pixel driving sub-circuit including a driving transistor including a first active layer; a second pixel driving sub-circuit; a connector located in a different layer from the first active layer and electrically connected to the first and second pixel driving sub-circuits.
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公开(公告)号：US12008943B2
公开(公告)日：2024-06-11
申请号：US17594771
申请日：2020-10-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Tian Dong , Can Zheng , Li Wang , Long Han , Yu Feng , Hao Zhang , Jiangnan Lu , Jie Zhang , Bo Wang , Jingquan Wang
IPC: G09G3/20
CPC classification number: G09G3/2092 , G09G2310/0297 , G09G2310/061
Abstract: The display panel includes a plurality of rows and a plurality of columns of pixel circuits, a plurality of rows of gate lines, a plurality rows of reset control lines, and a plurality of columns of data lines, a same row of pixel circuits corresponds to two rows of gate lines, and one/the other row of gate line is electrically connected to odd/even-numbered columns of pixel circuits in the row of pixel circuits, and provides a corresponding gate driving signal for the odd/even-numbered columns of pixel circuits; a same column of pixel circuits corresponds to two columns of data lines, and one/the other column of data line of the two columns of data lines is electrically connected to odd/even-numbered rows of pixel circuits, and provides a corresponding data voltage for the odd/even-numbered rows of pixel circuits.
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公开(公告)号：US20240144870A1
公开(公告)日：2024-05-02
申请号：US18279621
申请日：2022-07-12
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: G09G3/3225
CPC classification number: G09G3/3225 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2310/08 , G09G2320/0247 , G09G2330/021
Abstract: Provided are a pixel circuit, a driving method, and a display device. The pixel circuit includes a light-emitting element, drive circuit, control circuit, first initialization circuit, first light-emitting control circuit and second light-emitting control circuit, wherein the control circuit causes a control terminal of the drive circuit to be electrically connected to a connection node under the control of a first scanning signal; the first initialization circuit writes a first initial voltage to the connection node under the control of a reset control signal; the first light-emitting control circuit causes a first voltage terminal to be conductively connected to a first terminal of the drive circuit under the control of a first light-emitting control signal; the second light-emitting control circuit causes a second terminal of the drive circuit to be conductively connected to a first electrode of the light-emitting element under control of a second light-emitting control signal.
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Patent Agency Ranking
公开(公告)号：US11955073B2
公开(公告)日：2024-04-09
申请号：US17428906
申请日：2021-02-24
Applicant: BOE Technology Group Co., Ltd.
Inventor： Li Wang
IPC: G09G3/3233
CPC classification number: G09G3/3233 , G09G2300/0842 , G09G2310/061 , G09G2320/0247 , G09G2330/021
Abstract: A pixel compensation circuit and a driving method thereof are provided. The pixel compensation circuit includes a resetting unit, a write-in unit, a light-emitting unit, a storage capacitor and a driving transistor. The resetting unit is configured to receive a resetting signal and release electric energy on the storage capacitor and an electroluminescence element. The write-in unit is configured to receive a gate driving signal and write display data into a holding node coupled to the storage capacitor. The light-emitting unit is configured to receive a light-emitting signal and turn on the driving transistor to enable the electroluminescence element to emit light. A compensation unit is added between the holding node and a high potential end and configured to generate a reverse current for compensating a leakage current of the resetting unit.
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公开(公告)号：US11903279B2
公开(公告)日：2024-02-13
申请号：US17844305
申请日：2022-06-20
Applicant: BOE Technology Group Co., Ltd.
IPC: H01L29/08 , H10K59/131 , H10K59/121
CPC classification number: H10K59/131 , H10K59/1213 , H10K59/1216 , H10K59/1315
Abstract: There is provided a display substrate, in which, a first reference voltage line and a first reference voltage auxiliary line, which extend in different directions, are respectively disposed in one of a second wiring layer, a third wiring layer and a fourth wiring layer, a second reference voltage line extends in the same direction as the first reference voltage auxiliary line, the first reference voltage auxiliary line is electrically coupled to the first reference voltage line through via holes in an insulating layer therebetween, via a coupling line extending in the same direction as the first reference voltage line, the first reference voltage auxiliary line and the first reference voltage line provide a reset voltage to a first electrode of a first capacitor, and the second reference voltage line provides a reset voltage to a pixel electrode in a pixel electrode layer. A display device is further provided.
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公开(公告)号：US11893938B2
公开(公告)日：2024-02-06
申请号：US17912090
申请日：2021-02-09
Applicant: BOE Technology Group Co., Ltd.
IPC: G09G3/3233 , H10K59/131
CPC classification number: G09G3/3233 , H10K59/131 , G09G2300/0819 , G09G2300/0852 , G09G2310/0202 , G09G2320/0247 , G09G2360/16
Abstract: Provided are a pixel circuit, a display panel and a display apparatus. The pixel circuit includes: a first resetting switching transistor, a first data writing switching transistor, a storage capacitor, a first compensation capacitor, a second compensation capacitor, and a driving transistor; the first resetting switching transistor includes a first switching sub-transistor and a second switching sub-transistor connected in series, and the first data writing switching transistor includes a third switching sub-transistor and a fourth switching sub-transistor connected in series. The first compensation capacitor and the second compensation capacitor are used to enable a voltage Vn1′ of the first node to be smaller than a voltage Vn3′ of the third node and larger than a voltage Vn4′ of the fourth node in a light-emitting stage.
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公开(公告)号：US20240023375A1
公开(公告)日：2024-01-18
申请号：US18372884
申请日：2023-09-26
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yipeng Chen , Li Wang , Lujiang Huangfu
IPC: H10K59/121 , G09G3/3291 , H10K59/126
CPC classification number: H10K59/1216 , G09G3/3291 , H10K59/126 , H10K59/1213
Abstract: An organic light emitting diode display substrate, comprises: a base substrate, and a first data line, a driving thin film transistor and an energy storage capacitor, wherein the energy storage capacitor comprises a first capacitor plate and a second capacitor plate disposed opposite to each other, and the second capacitor plate is electrically connected to a gate of the driving thin film transistor, in a direction away from the base substrate, the first capacitor plate is disposed between the first data line and the second capacitor plate. The display substrate further comprises a shielding portion. The shielding portion is between the second capacitor plate and the first data line in a direction perpendicular to the base substrate, and an orthographic projection of the shielding portion on the base substrate at least partially overlap an orthographic projection of the first data line on the base substrate.
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70.发明授权公开(公告)号：US11790850B2
公开(公告)日：2023-10-17
申请号：US17791965
申请日：2021-05-17
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Lujiang Huangfu , Li Wang , Can Zheng , Libin Liu
IPC: G09G3/3258
CPC classification number: G09G3/3258 , G09G2300/0819 , G09G2300/0842 , G09G2310/0286 , G09G2310/061 , G09G2310/08 , G09G2320/0233 , G09G2320/0247
Abstract: A pixel driving circuit includes a reset sub-circuit, a compensation sub-circuit, a light-emitting control sub-circuit and a driving sub-circuit. The reset sub-circuit is configured to transmit an initialization signal received from an initialization signal terminal to the light-emitting control sub-circuit. The light-emitting control sub-circuit is configured to transmit the initialization signal to the first node. The compensation sub-circuit is configured to transmit the initialization signal from the first node to a second node so as to reset a voltage of the second node. The driving sub-circuit is configured to open a conductive path from a first voltage signal terminal to the initialization signal terminal during a process of resetting the voltage of the second node.
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