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公开(公告)号：US10796641B2
公开(公告)日：2020-10-06
申请号：US16335024
申请日：2018-06-21
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Shengji Yang , Xue Dong , Xiaochuan Chen , Hui Wang , Yanming Wang , Minghua Xuan , Pengcheng Lu , Wei Liu , Kuanta Huang
IPC: G09G3/3233 , G09G3/3258 , G09G3/3225
Abstract: The present disclosure provides a pixel unit circuit, a pixel circuit, a driving method and a display device. The pixel unit circuit includes: a light-emitting component with a first terminal coupled with a first voltage input terminal; a storage capacitor module; a driver transistor; a light-emitting control circuit with a control terminal coupled with a light-emitting control line, a first terminal coupled with a second voltage input terminal and a second terminal coupled with a second electrode of the driver transistor, where the light-emitting control circuit is to, under control of the light-emitting control line, control whether the second electrode of the driver transistor is coupled with the second voltage input terminal; a charging compensation control circuit configured to, under control of a gate line, control whether a gate electrode of the driver transistor is coupled with a data line; and a voltage control circuit coupled with the first voltage input terminal and configured to control a voltage value of a first voltage input to the first voltage input terminal.
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公开(公告)号：US10795064B2
公开(公告)日：2020-10-06
申请号：US15528416
申请日：2016-06-03
Inventor： Qian Wang , Xiaochuan Chen , Wenqing Zhao , Rui Xu , Lei Wang , Ming Yang , Pengcheng Lu , Jian Gao , Xiaochen Niu
Abstract: The present disclosure, belonging to the field of display technology, provides a grating assembly, a light source apparatus and a driving method thereof, which can solve a problem that an existing light source cannot provide light with a controllable direction. The grating assembly of the present disclosure comprises: a diffraction grating divided into a plurality of sub-pixels, each sub-pixel being divided into a plurality of regions, the diffraction grating being configured to change light transmitted through each region into parallel light and cause light transmitted through different regions of a same sub-pixel to have different directions; and a selector divided into a plurality of sub-pixels corresponding to sub-pixels of the diffraction grating, each sub-pixel being divided into a plurality of regions corresponding to the regions of the sub-pixel of the diffraction grating, the selector being configured to control whether each region thereof transmits light or not.
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公开(公告)号：US20200312244A1
公开(公告)日：2020-10-01
申请号：US16617060
申请日：2019-02-13
Applicant: BOE Technology Group Co., Ltd.
Inventor： Shengji Yang , Xue Dong , Xiaochuan Chen , Hui Wang , Pengcheng Lu
IPC: G09G3/3233 , G09G3/3266 , G09G3/3275
Abstract: Provided are a pixel circuit and a drive method thereof, a display substrate, and a display device. The pixel circuit includes a current source sub-circuit and a voltage divider sub-circuit. The current source sub-circuit is configured to update a stored drive voltage based on a voltage at the data signal terminal when the gate signal terminal receives a gate drive signal, and output a drive current based on the stored drive voltage when the switch signal terminal receives a light-emitting control signal, a current value of the drive current being positively correlated to a voltage value of the drive voltage. The voltage divider sub-circuit is configured to regulate an equivalent resistance value of the voltage divider sub-circuit in an output path of the drive current based on a signal received by the voltage division control signal terminal.
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公开(公告)号：US10770000B2
公开(公告)日：2020-09-08
申请号：US16096138
申请日：2018-04-24
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Shengji Yang , Xue Dong , Jing Lv , Xiaochuan Chen , Minghua Xuan , Lei Wang , Dongni Liu , Li Xiao , Jie Fu , Pengcheng Lu
IPC: G09G3/3258
Abstract: A pixel circuit, a driving method, a display panel and a display device. The pixel circuit includes: at least two pixel sub-circuits, a data line, a first scan line, a second scan line, a third scan line and a light-emitting control line. The pixel sub-circuit includes: a light-emitting control sub-circuit, a node reset sub-circuit, a drive control sub-circuit, a write sub-circuit and a light emitting device. The light-emitting control sub-circuit is configured to provide a signal provided by the first voltage signal end to a first node; the node reset sub-circuit is configured to form a conductive path between the first node and a second node; the write sub-circuit is configured to write a data signal provided by the data signal end and a threshold voltage to the second node; and the drive control sub-circuit is configured to drive the light emitting device to emit light.
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公开(公告)号：US10762837B2
公开(公告)日：2020-09-01
申请号：US15757404
申请日：2017-08-16
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Shengji Yang , Xue Dong , Jing Lv , Xiaochuan Chen , Dongni Liu , Lei Wang , Li Xiao , Pengcheng Lu , Jie Fu , Han Yue
IPC: G09G3/3233
Abstract: Embodiments of the present disclosure provide a pixel circuit, a driving method thereof and a display apparatus. The pixel sub-circuit comprises a resetting sub-circuit is configured to control potentials of a first node and a second node according to inputting signals of a first signal terminal and a second signal terminal; a charging sub-circuit is configured to control a potential of the second node according to an inputting signal of a third signal terminal; a compensating sub-circuit configured to control the potentials of the first node and a third node according to inputting signals of a fourth and a fifth signal terminals and a potential of the second node; an outputting sub-circuit configured to control outputting signals of the first terminal of the light emitting device and a reading terminal according to the inputting signal of a sixth and a seventh signal terminals and a potential of the third node.
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Patent Agency Ranking
公开(公告)号：US10761336B2
公开(公告)日：2020-09-01
申请号：US15513380
申请日：2016-08-05
Inventor： Qian Wang , Xue Dong , Wenqing Zhao , Xiaochuan Chen , Jian Gao , Pengcheng Lu
IPC: G02B27/30 , G02B27/42 , G02F1/13 , G02F1/1347 , G02F1/29 , G02B30/26 , G02B30/27 , G02F1/133 , G02F1/1343 , G02F1/1335
Abstract: A display device is provided. The display device comprises: a display panel; a collimation optical element located on a light emission side of the display panel and configured to modulate a first light emitted from the display panel into a collimated second light and emit the collimated second light; and a light modulation element located on a light emission side of the collimation optical element and configured to adjust an emission angle of the second light from the light modulation element. The first light emitted from the display panel is modulated into the collimated second light by the collimation optical element, the emission angle of the second light emitting from the light modulation element is adjusted by the light modulation element, such that the direction of the emission light of the display device is controllable.
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公开(公告)号：US10754459B2
公开(公告)日：2020-08-25
申请号：US15750924
申请日：2017-08-08
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Shengji Yang , Xue Dong , Jing Lv , Xiaochuan Chen , Dongni Liu , Lei Wang , Pengcheng Lu , Li Xiao , Han Yue , Jie Fu , Wenqing Zhao , Yafeng Yang
Abstract: An in-cell transparent touch display panel, manufacturing method and driving method thereof, which relates to the technical field of display is disclosed. The transparent touch display panel includes a first electrode and a pixel defining structure on a transparent substrate, the first electrode extending along a first direction and the pixel defining structure defining a plurality of pixel regions and touch electrode regions; an organic electroluminescent layer in the pixel regions, a second electrode arranged on the organic electroluminescent layer and in the pixel regions, the second electrodes extending along a second direction; and a plurality of first touch electrodes along the first direction and a plurality of second touch electrodes along the second direction and in the touch electrode regions. The first electrodes, second electrodes, first touch electrodes and second touch electrodes are all transparent electrodes, and the first direction intersects with the second direction.
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公开(公告)号：US10726788B2
公开(公告)日：2020-07-28
申请号：US16406870
申请日：2019-05-08
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Guohong Qin , Xiaochuan Chen , Shengji Yang , Pengcheng Lu , Rongrong Shi , Weihai Wang
IPC: G09G3/3258 , G09G3/3275
Abstract: A pixel circuit includes a data write-in circuit, a voltage amplification circuit, an energy storage circuit, a driving circuit and a light-emitting element. The driving circuit includes a control end, a first end and a second end. The voltage amplification circuit is connected to a data write-in node and the control end of the driving circuit, and configured to amplify a data voltage to acquire a driving voltage, and output the driving voltage to the control end of the driving circuit. The energy storage circuit is connected to the control end of the driving circuit. The first end of the driving circuit is connected to a power source voltage end, and the second end of the driving circuit is connected to an anode of the light-emitting element. The driving circuit is configured to control the power source voltage end to be electrically connected to, or electrically disconnected from, the anode of the light-emitting element under the control of the control end. A cathode of the light-emitting element is connected to a cathode voltage end.
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公开(公告)号：US10719169B2
公开(公告)日：2020-07-21
申请号：US16094658
申请日：2018-03-22
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiaoliang Ding , Haisheng Wang , Chun Wei Wu , Yingming Liu , Shengji Yang , Pengcheng Lu , Pengpeng Wang , Xueyou Cao , Wei Liu
Abstract: A touch readout circuit, a touch display panel and a display device are disclosed, the touch readout circuit includes a first gating circuit, configured to control a first current signal at a first electrode of the light-emitting component; a current mirror circuit, configured to provide the first current signal and a second current signal to a signal processing circuit, a current direction of the second current signal being opposite to a current direction of the first current signal; and a signal processing circuit, configured to: receive the first current signal, the second current signal and a touch scan signal, filter the second current signal to obtain a third current signal, provide a touch readout signal to an output end of the touch readout circuit according to the third current signal, the first current signal and the touch scan signal.
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公开(公告)号：US10678090B2
公开(公告)日：2020-06-09
申请号：US15526827
申请日：2016-06-02
Inventor： Wenqing Zhao , Xiaochuan Chen , Qian Wang , Haisheng Wang , Jian Gao , Ming Yang , Pengcheng Lu , Rui Xu , Lei Wang , Xiaochen Niu
IPC: G02F1/1335 , G02F1/29 , G02F1/137 , G02B27/10 , G02F1/133 , G02F1/1337 , G02F1/1343 , G09G3/36 , G09G3/34
Abstract: A liquid crystal display module and a liquid crystal display are provided. The liquid crystal display module includes a first substrate and a second substrate cell-aligned with each other, and a liquid crystal layer disposed between the first substrate and the second substrate; the first substrate or the second substrate includes a plurality of electrode sets, each electrode set including a plurality of mutually insulated electrodes. One of the electrode sets is disposed in each sub-pixel region of the liquid crystal display panel. The first substrate or the second substrate also includes a common electrode. The liquid crystal display module further includes a first polarizer disposed on the first substrate. The first substrate is disposed adjacent to a light incident side.
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