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公开(公告)号:US20240169911A1
公开(公告)日:2024-05-23
申请号:US17788111
申请日:2021-05-31
IPC分类号: G09G3/3233 , G09G3/3258
CPC分类号: G09G3/3233 , G09G3/3258 , G09G2300/0426 , G09G2300/0861 , G09G2310/061 , G09G2310/08 , G09G2320/0233 , G09G2320/0247 , G09G2330/021
摘要: 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.
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公开(公告)号:US11978396B2
公开(公告)日:2024-05-07
申请号:US17636374
申请日:2021-03-24
发明人: Libin Liu , Li Wang , Yu Feng , Lujiang Huangfu
IPC分类号: G09G3/3233
CPC分类号: G09G3/3233 , G09G2300/0426 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2310/08 , G09G2330/021
摘要: 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.
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3.
公开(公告)号:US11462149B2
公开(公告)日:2022-10-04
申请号:US17275068
申请日:2020-04-24
发明人: Guangliang Shang , Jiangnan Lu , Jie Zhang , Yu Feng , Libin Liu
摘要: 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.
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公开(公告)号:US11158680B2
公开(公告)日:2021-10-26
申请号:US15930618
申请日:2020-05-13
发明人: Yu Feng
IPC分类号: H01L27/32
摘要: 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.
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公开(公告)号:US11127804B2
公开(公告)日:2021-09-21
申请号:US16512902
申请日:2019-07-16
发明人: Pinfan Wang , Weixin Ma , Mingche Hsieh , Fangxu Cao , Xixi Guo , Yu Feng
摘要: 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.
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6.
公开(公告)号:US20200258452A1
公开(公告)日:2020-08-13
申请号:US16642447
申请日:2019-03-19
IPC分类号: G09G3/3258 , G09G3/3233 , H01L27/32
摘要: 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.
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公开(公告)号:US09799272B2
公开(公告)日:2017-10-24
申请号:US15320613
申请日:2016-02-05
发明人: Yi Zhang , Yu Feng , Jianchao Zhu
IPC分类号: G09G3/3266 , G09G3/325 , G11C19/28
CPC分类号: G09G3/3266 , G09G3/325 , G09G2300/0809 , G09G2310/0286 , G11C19/28 , G11C19/287
摘要: 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.
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公开(公告)号:US20240265870A1
公开(公告)日:2024-08-08
申请号:US18556403
申请日:2023-01-29
发明人: Yu Feng , Jianchao Zhu
IPC分类号: G09G3/3233 , H10K59/131
CPC分类号: G09G3/3233 , H10K59/131 , G09G2300/0426 , G09G2300/0842 , G09G2300/0861 , G09G2310/08
摘要: Provided are a display substrate, a display panel, and a display device. The display substrate includes a base substrate, pixel circuits, groups of data lines, and first power lines. At least one column of pixel circuits is electrically connected to at least one group of data lines and includes first and second pixel circuits alternately arranged in the second direction. The at least one group of data lines includes first and second data lines. For the at least one column of pixel circuits, input transistors of first and second pixel circuits are electrically connected to first and second data lines, respectively. In the first direction, the first data line, the first power line and the second data line are arranged in sequence, and input transistors of first and second pixel circuits are respectively located on a side of the first power line close to the first and second data line.
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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
发明人: Tian Dong , Can Zheng , Li Wang , Long Han , Yu Feng , Hao Zhang , Jiangnan Lu , Jie Zhang , Bo Wang , Jingquan Wang
IPC分类号: G09G3/20
CPC分类号: G09G3/2092 , G09G2310/0297 , G09G2310/061
摘要: 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:US20240087514A1
公开(公告)日:2024-03-14
申请号:US18273695
申请日:2022-07-11
IPC分类号: G09G3/3225
CPC分类号: G09G3/3225 , G09G2300/0426 , G09G2300/0852 , G09G2310/061
摘要: A pixel circuit and a driving method therefor, an array substrate and a display device are provided. The pixel circuit includes a driving circuit, a data writing circuit, a first initialization circuit. The driving circuit is configured to control a driving current; the data writing circuit is configured to write a data signal into the control terminal of the driving circuit; the first initialization circuit is configured to apply a first initialization voltage to the control terminal of the driving circuit, and includes a first transistor; the data writing circuit includes a second transistor and the driving circuit includes a third transistor; semiconductor materials of active layers of both the first transistor and the second transistor have a smaller leakage current characteristic than a semiconductor material of a third active layer of the third transistor.
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