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公开(公告)号：US20240049581A1
公开(公告)日：2024-02-08
申请号：US17754056
申请日：2021-03-26
发明人： Weitao Ma , Lu Yang , Chengchung Yang
IPC分类号： H10K59/80 , H10K59/122 , H10K59/38
CPC分类号： H10K59/8792 , H10K59/122 , H10K59/38
摘要： A display panel includes: a substrate; a plurality of sub-pixels; an encapsulation layer; a light shielding layer which is located on a side of the encapsulation layer away from the substrate and is provided with a plurality of openings corresponding to the plurality of sub-pixels respectively; a first color film layer including a plurality of basic units covering the plurality of openings in the light shielding layer respectively; and a second color film layer which is located on a side of the first color film layer away from the substrate and includes a plurality of overlay units covering an edge of at least one basic unit of the plurality of basic units respectively. A color of the basic unit is different form a color of the overlay unit covering the basic unit.
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2.发明授权公开(公告)号：US11538417B2
公开(公告)日：2022-12-27
申请号：US17512208
申请日：2021-10-27
发明人： Bo Yang , Chengchung Yang , Xiangfei He , Ling Shi
IPC分类号： G09G3/3266 , G09G3/3233 , G11C19/28
摘要： Embodiments of the present disclosure provide a light emission control shift register and method thereof, a gate driving circuit, and a display device. An input circuit outputs a signal of a signal input terminal to a first node. A first control circuit outputs a voltage of a first voltage terminal to a second node. A second control circuit transmits the voltage of the first voltage terminal to a third node. A third control circuit transmits the voltage of the first voltage terminal to a fourth node, and the third control circuit can further transmit the voltage of the second voltage terminal to the fourth node. A fourth control circuit transmits the voltage of the first voltage terminal to a signal output terminal, and the fourth control circuit can further transmit the voltage of the second voltage terminal to the signal output terminal.
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公开(公告)号：US11348524B2
公开(公告)日：2022-05-31
申请号：US17327937
申请日：2021-05-24
发明人： Xueling Gao , Kuanjun Peng , Chengchung Yang , Xiangxiang Zou , Wei Qin
IPC分类号： G09G3/3233
摘要： A display substrate and a display device. The display substrate includes a pixel circuit in which the driving circuit controls a driving current for driving the light emitter element to emit light; the first light emission control circuit applies a first voltage to a first terminal of the driving circuit in response to a first light emission control signal; the second light emission control circuit applies the driving current to the light emitter element in response to a second light emission control signal; the first reset circuit applies a first reset voltage to the control terminal of the driving circuit in response to a first reset signal; the first reset signal and the first light emission control signal are simultaneously turn-on signals during a period; the first light emission control line and the second light emission control line extend along a first direction and are arranged in a second direction.
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公开(公告)号：US10991306B2
公开(公告)日：2021-04-27
申请号：US16456910
申请日：2019-06-28
发明人： Tieshi Wang , Xueling Gao , Zhiqiang Xu , Chengchung Yang , Haoran Liu
IPC分类号： G09G3/3258 , G09G3/3233 , G09G3/3266
摘要： A circuit of driving pixel includes a driving transistor, having a first end connected to a first node, a control end connected to a second node, and a second connected to the third node end; a writing circuit, connected a data signal end, a first scanning end and the first node; a first control circuit, connected to a first power end, a light emitting control end and the first node; a reset circuit, connected to a reference signal end, a second scanning end and the second node; a compensation circuit, connected between the second node and the third node; a second control circuit, connected to the third node, a light emitting element and the light emitting control end; and an energy storage circuit, connected between the first power end and the second node. The second end of the light emitting element receives a second voltage signal.
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5.发明授权公开(公告)号：US10971060B2
公开(公告)日：2021-04-06
申请号：US16614709
申请日：2019-04-16
发明人： Kuanjun Peng , Chengchung Yang , Zhiqiang Xu
IPC分类号： G09G3/3208
摘要： A method of adjusting display brightness, a light-emission control circuit and a display device are provided. A method of adjusting display brightness is applied to an light-emission control circuit, where the light-emission control circuit is configured to generate an light-emission control signal configured to control a light-emission of a display device. The method includes: adjusting, in the case that a display brightness of the display device is not within a predetermined brightness range, a duty ratio of the light-emission control signal, to enable the display brightness of the display device to fall into the predetermined brightness range.
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6.发明申请公开(公告)号：US20200184922A1
公开(公告)日：2020-06-11
申请号：US16623036
申请日：2019-03-19
发明人： Chengchung Yang
摘要： A shift register unit includes: an input circuit, configured to communicate an input terminal with a first node; an output control circuit, configured to provide a second clock signal for a second node when the first node is at a second level, and provide a first level for the second node when the first clock signal is at the second level; a reset control circuit, configured to provide the first level for the third node when the second clock signal and the first node are both at the second level, and provide the second level for the third node when the first clock signal is at the second level; and an output circuit, configured to provide the second level for an output terminal when the second node is at the second level, and provide the first level for the output terminal when the third node is at the second level.
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公开(公告)号：US20240290258A1
公开(公告)日：2024-08-29
申请号：US18026637
申请日：2022-04-27
发明人： Chengchung Yang , Yucheng Chan , Yangzhong Jing
IPC分类号： G09G3/3233
CPC分类号： G09G3/3233 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2310/08 , G09G2320/0233 , G09G2340/0435
摘要： Provided are a pixel circuit, a drive method, and a display device. The pixel circuit includes a light-emitting element, a drive circuit, an energy storage circuit, a switch control circuit, a first initialization circuit, and a compensation control circuit. The switching control circuit controls a first voltage terminal to be connected to a second end of the energy storage circuit in a refresh frame and a first light-emitting phase and to control the first voltage terminal to be disconnected from the second end of the energy storage circuit in a first reset phase and a second reset phase under control of a switch control signal provided by the switch control terminal; a first initialization circuit writes a first initial voltage into the control terminal of the drive circuit under control of an initialization control signal in the first reset phase and the second reset phase.
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公开(公告)号：US11922879B2
公开(公告)日：2024-03-05
申请号：US18194348
申请日：2023-03-31
发明人： Xueling Gao , Kuanjun Peng , Chengchung Yang , Xiangxiang Zou , Wei Qin
IPC分类号： G09G3/3233 , H10K59/121
CPC分类号： G09G3/3233 , H10K59/121 , G09G2300/0426 , G09G2300/0819 , G09G2300/0842 , G09G2320/0257
摘要： A display substrate and a display device. The display substrate includes a pixel circuit in which the driving circuit controls a driving current for driving the light emitter element to emit light; the first light emission control circuit applies a first voltage to a first terminal of the driving circuit in response to a first light emission control signal; the second light emission control circuit applies the driving current to the light emitter element in response to a second light emission control signal; the first reset circuit applies a first reset voltage to the control terminal of the driving circuit in response to a first reset signal; the first reset signal and the first light emission control signal are simultaneously turn-on signals during a period; the first light emission control line and the second light emission control line extend along a first direction and are arranged in a second direction.
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9.发明授权公开(公告)号：US11887400B2
公开(公告)日：2024-01-30
申请号：US16343769
申请日：2018-11-15
发明人： Jing Niu , Chengchung Yang , Fangzhen Zhang
CPC分类号： G06V40/1318 , H10K50/865 , H10K59/12 , H10K59/60 , H10K59/65
摘要： A display substrate includes a base substrate, and a plurality of light emitters and a plurality of light sensors over the base substrate. The light emitters and light sensors are configured to respectively emit lights towards, and sense lights reflected by, a pattern to be detected, such as a fingerprint. At least one light emitter includes a first electrode, a light-emitting layer, and a second electrode, sequentially over the base substrate. At least one light sensor includes a third electrode, a photosensitive layer, and a fourth electrode, sequentially over the base substrate. The first electrode and the third electrode are integral or the second electrode and the fourth electrode are integral. A method of using the display substrate to identify a pattern such as a fingerprint can be employed by a display panel containing the display substrate.
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公开(公告)号：US11869423B2
公开(公告)日：2024-01-09
申请号：US16486201
申请日：2019-01-14
发明人： Xueling Gao , Chengchung Yang , Tieshi Wang , Jintao Peng
IPC分类号： G09G3/3233
CPC分类号： G09G3/3233 , G09G2300/0426 , G09G2300/0819 , G09G2300/0852 , G09G2310/08 , G09G2320/0233 , G09G2320/041 , G09G2320/045 , G09G2330/028
摘要： A pixel circuit, a display panel, a display apparatus and a driving method. The pixel circuit includes a data signal writing module, a driving module, a threshold compensation transistor, a first power voltage writing module and a light-emitting module, wherein the driving module includes a driving transistor.
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