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公开(公告)号：US10755636B2
公开(公告)日：2020-08-25
申请号：US16214887
申请日：2018-12-10
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Chengchung Yang , Xueling Gao , Kuanjun Peng
IPC: G09G3/32 , G09G3/3233 , G09G3/3258 , H01L27/32 , G09G3/3275 , G09G3/3266
Abstract: The present disclosure discloses a pixel circuit and a driving method thereof, a display substrate and a display device, the pixel circuit includes: an initialization sub-circuit, a writing compensation sub-circuit, a light-emitting enabling sub-circuit, a light-emitting device, and a driving sub-circuit, the light-emitting enabling sub-circuit is configured to couple the driving sub-circuit to the light-emitting device under control of an enabling signal terminal. The initialization sub-circuit is configured to input a voltage of an initial voltage terminal to a gate of a driving transistor in the driving sub-circuit under control of a reset signal terminal to initialize the driving sub-circuit. The writing compensation sub-circuit is configured to input, under control of a scanning signal terminal, a data voltage output from a data signal terminal to the driving sub-circuit to perform data compensation on the driving sub-circuit.
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公开(公告)号：US20190371238A1
公开(公告)日：2019-12-05
申请号：US16390204
申请日：2019-04-22
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xueling Gao , Jikai Yao , Kuanjun Peng , Chengchung Yang
IPC: G09G3/3233 , G09G3/3266 , G09G3/3275 , H01L27/32
Abstract: A pixel circuit, a method for driving the same, a display panel and a display device are provided. The pixel circuit includes a driver transistor, a data writing sub-circuit, an initializing sub-circuit, a voltage prewriting sub-circuit, a threshold compensating sub-circuit, a first light-emission control sub-circuit, a second light-emission control sub-circuit, a capacitor, and a light-emitting element. The voltage prewriting sub-circuit pre-stores voltage of a light-emission supply voltage terminal into the capacitor before the light-emitting element emits light, the magnitude of light-emission current is dependent upon the voltage of the light-emission supply voltage terminal, and independent of the voltage of the first voltage source.
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公开(公告)号：US20190074483A1
公开(公告)日：2019-03-07
申请号：US16035524
申请日：2018-07-13
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xiangxiang Zou , Wei Qin , Kuanjun Peng , Xiaolong Li
Abstract: The embodiments of the present disclosure propose a substrate, a method for manufacturing the same, and a display device comprising the substrate. The substrate comprises a supporting base; and a light scattering layer disposed such that a projected region of the light scattering layer on the supporting base is located in a light transmission formation region of the supporting base, and the light scattering layer has a light scattering structure configured to scatter incident light.
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公开(公告)号：US12268555B2
公开(公告)日：2025-04-08
申请号：US17416712
申请日：2020-09-28
Applicant: BOE Technology Group Co., Ltd.
Inventor： Tingting Zhou , Kuanjun Peng , Fangzhen Zhang , Yanan Niu , Jintao Peng , Jing Niu , Shuang Sun , Lubin Shi , Jinyu Ren
Abstract: Embodiments of the present disclosure provide a flexible sensor, including a flexible substrate; a plurality of ultrasonic detectors, on the flexible substrate; and a plurality of detection circuits, respectively corresponding to the ultrasonic detectors; wherein each of the detection circuits is between the flexible substrate and the corresponding ultrasonic detector, and configured to drive the ultrasonic detector to emit an ultrasonic wave, and detect a detection signal output by the ultrasonic detector after receiving the ultrasonic wave; each of the ultrasonic detectors includes: a first electrode coupled to the corresponding detection circuit, a second electrode on a side of the first electrode away from the flexible substrate, and a piezoelectric induction layer between the first electrode and the second electrode; a plurality of holes are provided in a region other than a region where the detection circuits are located.
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公开(公告)号：US12236824B2
公开(公告)日：2025-02-25
申请号：US18491531
申请日：2023-10-20
Applicant: BOE Technology Group Co., Ltd.
Inventor： Weixing Liu , Wei Qin , Kuanjun Peng , Tieshi Wang , Chunfang Zhang , Hui Zhang , Changfeng Li , Shunhang Zhang , Kai Hou , Hongrun Wang , Liwei Liu , Yunsik Im , Wanpeng Teng , Xiaolong Li , Kai Guo , Zhiqiang Xu
Abstract: The present disclosure provides a gate driving circuit, a method of driving a gate driving circuit, and a display panel. The gate driving circuit includes a plurality of driving units connected in cascade. Each driving unit includes: N shift register units; and a mode control circuit connected to the N shift register units, wherein the mode control circuit is configured to receive a control signal for the driving unit, and connect the N shift register units in one of a plurality of resolution modes under the control of the control signal.
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Patent Agency Ranking
公开(公告)号：US12217638B2
公开(公告)日：2025-02-04
申请号：US18276687
申请日：2021-07-02
Applicant: BOE Technology Group Co., Ltd.
Inventor： Hui Zhang , Changfeng Li , Kai Hou , Liwei Liu , Hongrun Wang , Yunsik Im , Shunhang Zhang , Kuanjun Peng
Abstract: A display panel, a display device, and a method for driving the display device are disclosed. The display panel includes a base substrate, a plurality of data lines, a plurality of scanning lines, a plurality of sub-pixels, a plurality of data selection control lines, a plurality of data input lines, and a plurality of data selection circuits. The data selection circuits include at least two multiplexers; in each data selection circuit, input terminals of different multiplexers are coupled to different data input lines, control terminals of different multiplexers are coupled to different data selection control lines, and the ith output terminals of different multiplexers are coupled to the same data line; in two adjacent data selection circuits, two multiplexers coupled to different data selection control lines are coupled to the same data input line.
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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
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xueling Gao , Kuanjun Peng , Chengchung Yang , Xiangxiang Zou , Wei Qin
IPC: G09G3/3233 , H10K59/121
CPC classification number: G09G3/3233 , H10K59/121 , G09G2300/0426 , G09G2300/0819 , G09G2300/0842 , G09G2320/0257
Abstract: 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：US20220246094A1
公开(公告)日：2022-08-04
申请号：US17718599
申请日：2022-04-12
Applicant: BOE Technology Group Co., Ltd.
Inventor： Wei Qin , Xiaolong Li , Kuanjun Peng , Chunfang Zhang , Zhiqiang Xu , Yanan Niu
IPC: G09G3/325 , G09G3/3258 , G09G3/3266 , G09G3/3291
Abstract: A display panel includes a plurality of pixels and an electrostatic circuit. At least one pixel includes: a pixel electrode; a common electrode; a light-emitting element; and a driving sub-circuit coupled to a scanning signal terminal, a data signal terminal, a light-emitting control signal terminal, a first voltage signal terminal and a first terminal of a light-emitting element, and outputs a first voltage signal from the first voltage signal terminal to the light-emitting element controlled by a scanning signal, a data signal, and a light-emitting control signal. The electrostatic circuit couples a first signal line and a second signal line, the first signal line receives a second voltage signal, and the second signal line receives a third voltage signal and is arranged on a periphery of the plurality of pixels. Common electrodes of the pixels are coupled to each other and to the second signal line.
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公开(公告)号：US11308844B2
公开(公告)日：2022-04-19
申请号：US16337741
申请日：2018-11-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yanhui Xi , Bin Dai , Xiaomang Zhang , Haijun Niu , Kuanjun Peng , Xiaolong Li , Donghui Wang , Yan Sun
Abstract: A multi-primary color conversion method is provided to include: establishing a spatial gamut model of a display panel; determining a target peripheral surface corresponding to the target color according to the color coordinates of the target color and color coordinates of a color corresponding to each vertex of each peripheral surface; obtaining reference gray scales of a part of primary colors of the target color according to gray scales of the primary colors of a color corresponding to each vertex of the target peripheral surface; obtaining reference gray scales of the rest primary colors of the target color and a reference luminance of the target color; and respectively converting the reference gray scales of the plurality of primary colors of the target color into target gray scales according to a proportional relationship between the reference luminance and the target luminance of the target color.
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公开(公告)号：US11056059B2
公开(公告)日：2021-07-06
申请号：US16436238
申请日：2019-06-10
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiaolong Li , Wei Qin , Kuanjun Peng , Xueling Gao , Chengchung Yang , Zhiqiang Xu
IPC: G09G3/3266
Abstract: The present application provides a display panel, a method of driving the same and a display apparatus. The display panel has pixel regions, each of which has pixel structures. Each of the pixel structures includes an anode, a cathode and a light emitting layer. The display panel further includes a controller and power signal lines coupled to the controller. Cathodes or anodes in a same pixel region are coupled to a same power signal line. The controller is configured to control a duty cycle of a control signal input to a power signal line coupled to a pixel region in response to a motion picture being displayed in the pixel region.
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