-
公开(公告)号：US12205506B2
公开(公告)日：2025-01-21
申请号：US17781988
申请日：2021-03-24
Applicant: BOE Technology Group Co., Ltd.
Inventor： Jiangnan Lu , Guangliang Shang , Libin Liu , Long Han , Yu Feng
Abstract: A display substrate and a display device are provided. The display substrate includes a shift register unit, a first clock signal line and a first power line, the shift register unit includes a charge pump circuit, and the charge pump circuit includes a first capacitor, a first transistor and a second capacitor. The charge pump circuit is electrically connected with a first input node and a first node, respectively. A first electrode plate of the first capacitor is connected with the first clock signal line, a second electrode plate of the first capacitor is connected with the first input node, a first electrode plate of the second capacitor is connected with the first power line, a second electrode plate of the second capacitor is connected with the first node, a gate electrode of the first transistor is connected with a first electrode or a second electrode of the first transistor.
-
公开(公告)号：US12165581B2
公开(公告)日：2024-12-10
申请号：US17637815
申请日：2021-04-23
Applicant: BOE Technology Group Co., Ltd.
Inventor： Libin Liu , Li Wang , Guangliang Shang , Yu Feng , Long Han , Baoyun Wu , Shiming Shi
IPC: G09G3/3233
Abstract: A pixel circuit, a driving method therefor and a display apparatus are provided. The pixel circuit includes a driving sub-circuit, a write sub-circuit, a compensation sub-circuit, a reset sub-circuit, a first light-emitting control sub-circuit, a second light-emitting control sub-circuit, a leak-proof sub-circuit, a storage sub-circuit and a light-emitting element. The reset sub-circuit is configured to reset a fourth node under control of a signal of a light-emitting control signal terminal and reset a fifth node under control of a signal of a reset control signal terminal. The compensation sub-circuit is configured to compensate a threshold voltage of the driving sub-circuit to the fifth node under the control of a signal of a first scanning signal terminal. The leak-proof sub-circuit is configured to write a signal of the fifth node into a first node under control of a signal of a second scanning signal terminal.
-
公开(公告)号：US20240169911A1
公开(公告)日：2024-05-23
申请号：US17788111
申请日：2021-05-31
Applicant: BOE Technology Group Co., Ltd.
IPC: G09G3/3233 , G09G3/3258
CPC classification number: G09G3/3233 , G09G3/3258 , G09G2300/0426 , G09G2300/0861 , G09G2310/061 , G09G2310/08 , G09G2320/0233 , G09G2320/0247 , G09G2330/021
Abstract: A display substrate and a display panel. The display substrate includes: a base substrate; and a plurality of sub-pixels on the base substrate, each of the plurality of sub-pixels includes a light-emitting element and a pixel circuit for driving the light-emitting element to emit light, the pixel circuit includes a driving sub-circuit, a data writing sub-circuit, a threshold compensation sub-circuit, a current-leakage prevention sub-circuit and a storage sub-circuit; the storage sub-circuit includes a storage capacitor, the storage capacitor includes a first electrode plate, a second electrode plate and a third electrode plate, the first electrode plate and the third electrode plate are electrically connected to each other and are in different layers with respect to the base substrate, and the second electrode plate at least partially overlaps the first electrode plate and the third electrode plate in a direction perpendicular to the base substrate.
-
公开(公告)号：US11978396B2
公开(公告)日：2024-05-07
申请号：US17636374
申请日：2021-03-24
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Libin Liu , Li Wang , Yu Feng , Lujiang Huangfu
IPC: G09G3/3233
CPC classification number: G09G3/3233 , G09G2300/0426 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2310/08 , G09G2330/021
Abstract: Embodiments of the present disclosure provide an array substrate and related display panel and display device. An array substrate, comprises: a substrate; a plurality of sub-pixels arranged in multiple rows and multiple columns provided on the substrate, at least one of the plurality of sub-pixels comprising pixel circuits, each of the pixel circuits comprising a driving circuit, a voltage stabilizing circuit, and a driving reset circuit, wherein the driving circuit is configured to provide a driving current to a light-emitting device, the voltage stabilizing circuit comprises a first voltage stabilizing circuit and a second voltage stabilizing circuit, the first voltage stabilizing circuit is configured to conduct a control terminal of the driving circuit with the driving reset circuit, the second voltage stabilizing circuit is configured to stabilize a voltage at the control terminal of the driving circuit, and the driving reset circuit is configured to reset the control terminal of the driving circuit.
-
5.发明授权公开(公告)号：US11462149B2
公开(公告)日：2022-10-04
申请号：US17275068
申请日：2020-04-24
Applicant: BOE Technology Group Co., Ltd.
Inventor： Guangliang Shang , Jiangnan Lu , Jie Zhang , Yu Feng , Libin Liu
Abstract: Embodiments of the present disclosure provide a shift register unit and a method foe driving the same, a gate driving circuit, and a display device. The shift register unit includes: a control circuit coupled to an input signal terminal, a clock signal terminal, and an output control terminal, and configured to provide an output control signal to the output control terminal based on a signal from the input signal terminal and a signal from the clock signal terminal; and an output circuit coupled to the output control terminal, an output signal terminal, and a threshold voltage control terminal, and configured to provide an output signal to the output signal terminal under control of a potential at the output control terminal, and adjust a threshold voltage of at least one of a plurality of transistors in the output circuit under control of a signal from the threshold voltage control terminal.
-
Patent Agency Ranking
公开(公告)号：US11158680B2
公开(公告)日：2021-10-26
申请号：US15930618
申请日：2020-05-13
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yu Feng
IPC: H01L27/32
Abstract: The present disclosure relates to a display panel and a display device. The display panel includes a transparent display area, and a non-transparent display area. The transparent display area has a plurality of first pixel apertures, and the non-transparent display area has a plurality second pixel apertures. A density of the first pixel apertures of the transparent display area is smaller than a density of the second pixel apertures of the non-transparent display area, and opposite sides of each the first pixel aperture are provided with first spacers.
-
公开(公告)号：US11127804B2
公开(公告)日：2021-09-21
申请号：US16512902
申请日：2019-07-16
Applicant: BOE Technology Group Co., Ltd.
Inventor： Pinfan Wang , Weixin Ma , Mingche Hsieh , Fangxu Cao , Xixi Guo , Yu Feng
Abstract: Provided are a display panel, a method for manufacturing the same, and a display device. The display panel includes: flexible substrate; multiple thin film transistor structures arranged in an array and on the flexible substrate; and an organic layer located on the multiple thin film transistor structures. Through holes are arranged between adjacent thin film transistor structures, each through hole penetrates the organic layer and the flexible substrate, and the organic layer covers a first surface of at least one thin film transistor structure far away from the flexible substrate, and side surfaces of the at least one thin film transistor structure proximate to the corresponding through holes.
-
8.发明申请公开(公告)号：US20200258452A1
公开(公告)日：2020-08-13
申请号：US16642447
申请日：2019-03-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: G09G3/3258 , G09G3/3233 , H01L27/32
Abstract: A pixel circuit and a method of driving the same, a display panel and a method of forming the same and a display device are provided. The pixel circuit includes: a light-emitting element, a data writing sub-circuit, a storage sub-circuit and a driving transistor, where the driving transistor is a double-gate transistor. The data writing sub-circuit is configured to switch on or switch off a connection between the data line and the top gate of the driving transistor under a control of the gate line. The storage sub-circuit is configured to control a potential of the top gate of the driving transistor; the bottom gate of the driving transistor is connected to a first voltage input end; the first electrode of the driving transistor is connected to a power voltage input end, the second electrode of the driving transistor is connected to a first electrode of the light-emitting element; a second electrode of the light-emitting element is connected to a second voltage input end.
-
公开(公告)号：US09799272B2
公开(公告)日：2017-10-24
申请号：US15320613
申请日：2016-02-05
Inventor： Yi Zhang , Yu Feng , Jianchao Zhu
IPC: G09G3/3266 , G09G3/325 , G11C19/28
CPC classification number: G09G3/3266 , G09G3/325 , G09G2300/0809 , G09G2310/0286 , G11C19/28 , G11C19/287
Abstract: There are provided a shift register, a gate driving circuit and a relevant display device, comprising a first node controlling module (1), a second node controlling module (2), a third node controlling module (3), a first outputting module (4) and a second outputting module (5). The first node controlling module (1) adjust a potential of a first node (A), the second node controlling module (2) adjust a potential of a second node (B), the third node controlling module (3) adjust a potential of a third node (C), the first outputting module (4) adjust a potential of a driving signal output terminal (Output), and the second outputting module (5) adjusts the potential of the driving signal output terminal (Output). Through mutual coordination of the five modules, the shift register could control a time length of a scanning signal outputted by the driving signal output terminal (Output) by only changing a time length of an input signal (Input), without changing clock signals (CK,CB) and changing the circuit and process, so that difficulty of the gate driving circuit and complexity of process could be reduced, thereby the cost is reduced.
-
公开(公告)号：US12236867B2
公开(公告)日：2025-02-25
申请号：US17789174
申请日：2021-09-30
Applicant: BOE Technology Group Co., Ltd.
Inventor： Lujiang Huangfu , Li Wang , Jianchao Zhu , Libin Liu , Yu Feng
IPC: G09G3/3233
Abstract: A pixel driving circuit is provided. The pixel driving circuit includes a storage capacitor (Cst) having a first capacitor electrode (Ce1) and a second capacitor electrode (Ce2); a driving transistor (Td) configured to generate a driving current; and a switch (SW) configured to control connection or disconnection between a gate electrode of the driving transistor (Td) and the first capacitor electrode (Ce1).
-
-
-
-
-
-
-
-
-
Search Results
51
records
(took 0.034 seconds)
