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公开(公告)号：US20220301492A1
公开(公告)日：2022-09-22
申请号：US17531274
申请日：2021-11-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Lijun YUAN , Can ZHANG , Ning CONG , Wei LI , Can WANG , Jinfei NIU , Jingjing ZHANG , Minghua XUAN
IPC: G09G3/32
Abstract: The pixel driving circuit includes a current control circuit and a gating circuit. The current control circuit is configured to transmit a driving current signal to an element to be driven. The gating circuit is configured to transmit a second voltage signal from a second voltage signal terminal to the element to be driven such that the element to be driven continuously emits light or transmit a third voltage signal from a third voltage signal terminal to the element to be driven such that the element to be driven intermittently emits light, under the control of a scan signal from a scan signal terminal, a reset signal from a reset signal terminal and a second data signal from a second data signal terminal.
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公开(公告)号：US20220215795A1
公开(公告)日：2022-07-07
申请号：US17609238
申请日：2020-10-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Han YUE , Can ZHANG , Minghua XUAN
Abstract: A pixel driving circuit includes: a driving control sub-circuit configured to write at least a first data signal into a first driving sub-circuit in response to a first scanning signal and cause a driving transistor to output a driving signal to an element to be driven according to the first data signal and a first power supply voltage signal in response to an enable signal, and a time control sub-circuit configured to write at least a second data signal into a second driving sub-circuit in response to a second scanning signal and cause the second driving sub-circuit to be connected to a second power supply voltage signal terminal and the element in response to the enable signal. The second driving sub-circuit is configured to output a second power supply voltage signal to the element in response to the second data signal and a common voltage signal.
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公开(公告)号：US20210359041A1
公开(公告)日：2021-11-18
申请号：US16339614
申请日：2018-11-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. The display substrate includes a base substrate, a pixel defining layer, and a first electrode layer between the base substrate and the pixel defining layer. The pixel defining layer defines a plurality of sub-pixels on the base substrate, the first electrode layer comprises a plurality of first electrodes, and the plurality of first electrodes being separated from each other by gaps, and an orthographic projection of the pixel defining layer on the base substrate covers an orthographic projection of the gap on the base substrate.
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公开(公告)号：US20210265444A1
公开(公告)日：2021-08-26
申请号：US16638703
申请日：2019-03-22
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Ming YANG , Can ZHANG , Minghua XUAN , Liang CHEN , Xiaochuan CHEN , Wenqing ZHAO
IPC: H01L27/32 , H04N13/302
Abstract: An array substrate is provided, including a substrate, wherein the substrate is provided with a plurality of electrodes and a plurality of first signal lines, each of the electrodes being correspondingly connected with a first signal line. In some examples, the first signal lines extend in the same direction. In some examples, at least two of the plurality of first signal lines are located in different layers of an insulating spacer from each other. In some examples, orthographic projections on the substrate of at least two of the first signal lines in the different layers at least partially overlap. Accordingly, a light field display device comprising the array substrate is also provided. The array substrate can reduce a light-emitting point size and increase a density distribution of light-emitting points.
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25.发明申请公开(公告)号：US20210248977A1
公开(公告)日：2021-08-12
申请号：US17050380
申请日：2020-04-16
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Can ZHANG , Han YUE , Minghua XUAN
IPC: G09G5/10 , G09G3/32 , H01L25/16 , H01L27/12 , H01L31/0232 , H01L31/105 , H01L33/62
Abstract: A display panel, a method of manufacturing the display panel, a method of driving the display panel and a display device are provided. The display panel includes an array substrate and a plurality of micro light-emitting diodes arranged on the array substrate, and further includes: a photoelectric conversion structure in a one-to-one correspondence with a micro light-emitting diode, the photoelectric conversion structure is located on a side of the corresponding micro light-emitting diode facing the array substrate, connected to the corresponding micro light-emitting diode, and configured to convert a received light signal emitted by the micro light-emitting diode into an electrical signal, and charge the corresponding micro light-emitting diode by using the electrical signal. The display panel is used for display.
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Patent Agency Ranking
26.发明申请公开(公告)号：US20210065615A1
公开(公告)日：2021-03-04
申请号：US16825046
申请日：2020-03-20
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Han YUE , Minghua XUAN , Can ZHANG , Can WANG , Dongni LIU , Xiaochuan CHEN
IPC: G09G3/32
Abstract: A shift register circuit and a method for driving the same, a gate driving circuit and a display device are provided. The shift register circuit includes an input terminal, a first control signal terminal, a second control signal terminal, and an output terminal, and further includes: an input module configured to receive an input signal input by the input terminal under the control of a first control signal input by the first control signal terminal and a second control signal input by the second control signal terminal; a storage module configured to store the input signal; a transmission module configured to transmit the input signal stored by the storage module to a preset node; and an output module configured to output a high level signal or a low level signal through the output terminal under the control of the input signal at the preset node.
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公开(公告)号：US20200258443A1
公开(公告)日：2020-08-13
申请号：US15773790
申请日：2017-09-30
IPC: G09G3/20
Abstract: A gray-scale compensation device and method for combined pixels, and a display device. The compensation method for the combined pixels includes: measuring a gamma curve of the first pixel group to obtain a first gamma curve; measuring a gamma curve of the second pixel group to obtain a second gamma curve, where an area of the first pixel group is different from an area of the second pixel group; obtaining a compensation voltage based on the first gamma curve and the second gamma curve; and compensating the first pixel group or the second pixel group based on the compensation voltage.
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公开(公告)号：US20200243003A1
公开(公告)日：2020-07-30
申请号：US15761336
申请日：2017-09-07
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Shengji YANG , Xue DONG , Jing LV , Xiaochuan CHEN , Can ZHANG , Wei SUN , Lingyun SHI
IPC: G09G3/325 , G09G3/3258 , G09G3/3283
Abstract: This application provides a pixel circuit and a driving method thereof, and a display panel. The pixel circuit includes: an input unit, a driving unit and a voltage compensation unit, wherein the input unit is connected to a data line and a first scan line, and configured to input a hopping data signal inputted at the data line to the voltage compensation unit under control of the first scan line; the voltage compensation unit is connected to a first node, a second scan line and a third scan line, and configured to generate a compensation voltage at the first node under control of the second scan line and the third scan line; the driving unit is connected to the voltage compensating unit, and configured to generate a current for driving a light emitting device to emit light using the compensation voltage generated by the voltage compensating unit at the first node. In the pixel circuit and the driving method thereof and the display panel according to the present disclosure, threshold voltage compensation performed on the driving transistor of the pixel circuit and smart displaying are combined, and resolution of the display panel can be adjusted in real time with respect to that the user has different attentions on the picture displayed by the display panel.
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29.发明申请公开(公告)号：US20190371243A1
公开(公告)日：2019-12-05
申请号：US16070513
申请日：2017-12-15
Applicant: BOE Technology Group Co., Ltd.
Inventor： Shengji YANG , Xue DONG , Jing LV , Xiaochuan CHEN , Minghua XUAN , Can ZHANG , Ming YANG , Yan LI , Xiaoling XU
IPC: G09G3/3241 , G09G3/36
Abstract: Embodiments of the present disclosure provide a pixel unit and a driving method thereof, a display panel and a driving method thereof, and a display apparatus. The pixel unit comprises a driving sub-circuit, a first switching sub-circuit, a second switching sub-circuit, and a light-emitting element. The driving sub-circuit has a first terminal electrically coupled to a first power supply terminal, and a second terminal electrically coupled to a first terminal of the light-emitting element. The first switching sub-circuit has an inputting terminal electrically coupled to a data line, an outputting terminal electrically coupled to an inputting terminal of the second switching sub-circuit, and a controlling terminal electrically coupled to a scanning line. The second switching sub-circuit has an outputting terminal electrically coupled to an inputting terminal of the driving sub-circuit.
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公开(公告)号：US20190267436A1
公开(公告)日：2019-08-29
申请号：US15743465
申请日：2017-06-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Abstract: An array substrate and a manufacturing method thereof, and a display device are provided. The array substrate includes a substrate, and a plurality of pixel units arranged in an array on the substrate, each of the pixel units is provided with a plurality of thin film transistors, each of the pixel units includes a plurality of light emitting units, the plurality of light emitting units are sequentially arranged along a direction perpendicular to a plane where the substrate is located, and disposed at a side of the thin film transistors away from the substrate, each of the light emitting units is connected with one of the thin film transistors, and different ones of the light emitting units are connected to different ones of the thin film transistors.
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