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公开(公告)号：US10712877B2
公开(公告)日：2020-07-14
申请号：US15572373
申请日：2017-05-16
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Haisheng Wang , Xue Dong , Jing Lv , Xiaochuan Chen , Xiaoliang Ding , Yingming Liu , Rui Xu , Shengji Yang , Wei Liu , Changfeng Li , Pengpeng Wang
IPC: G06F3/041 , G06F3/044 , G06F3/0354
Abstract: A touch panel, a method for manufacturing the same and a touch device are provided. The touch panel includes a base substrate, and a touch electrode and an active stylus electrode arranged on the base substrate. The active stylus electrode has a size smaller than the touch electrode. The touch electrode is configured to determine a touch position of a finger, and the active stylus electrode is configured to determine a touch position of an active stylus.
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公开(公告)号：US10690539B2
公开(公告)日：2020-06-23
申请号：US16094796
申请日：2018-02-12
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiaoliang Ding , Xue Dong , Jing Lv , Haisheng Wang , Chunwei Wu , Yingming Liu , Pengpeng Wang , Wei Liu , Yanling Han , Xueyou Cao , Ping Zhang
Abstract: The present application proposes a circuit and method for detecting ambient light, and a display panel. The circuit for detecting ambient light includes a light sensing sub-circuit configured to output a voltage pulse signal related to present intensity of the ambient light; and a detection sub-circuit electrically connected to the light sensing sub-circuit, and configured to acquire a frequency of the voltage pulse signal, and obtain the present intensity of the ambient light according to the frequency of the voltage pulse signal.
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公开(公告)号：US10654711B2
公开(公告)日：2020-05-19
申请号：US15936548
申请日：2018-03-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiaoliang Ding , Xue Dong , Haisheng Wang , Yingming Liu , Xueyou Cao , Yuzhen Guo , Ping Zhang , Pengpeng Wang , Yanling Han , Chihjen Cheng , Likai Deng , Yangbing Li
IPC: B81B7/02 , H01L27/32 , G01N27/447 , B01L3/00 , H01L51/52
Abstract: A droplet control and detection device and an operating method thereof are provided. The droplet control and detection device includes: a light source; a first electrode; a second electrode; a droplet arranged on a light-exiting side of the light source, where the droplet is movable under the effect of an electric field formed between the first electrode and the second electrode; a photoelectric detection structure configured to detect light emitted by the light source and reflected by the droplet; and a processing circuit configured to obtain droplet information according to a detection result of the photoelectric detection structure and control an electrical signal applied on the first electrode and the second electrode according to the droplet information.
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公开(公告)号：US10572052B2
公开(公告)日：2020-02-25
申请号：US15522760
申请日：2016-06-28
Inventor： Haisheng Wang , Xue Dong , Hailin Xue , Xiaochuan Chen , Xiaoliang Ding , Yingming Liu , Shengji Yang , Rui Xu , Changfeng Li , Wei Liu , Pengpeng Wang
IPC: G06F3/041 , H01L27/20 , H01L41/047 , H01L41/113 , H01L41/187 , H01L41/25 , H01L41/29 , H01L41/314
Abstract: Embodiments of the present invention relates to the field of display technology, and particularly to a pressure force touch panel and a method for manufacturing the same, and a display apparatus including the abovementioned pressure force touch panel. In one embodiment, the pressure force touch panel comprises an array substrate and a color film substrate assembling with each other, and, the color film substrate comprises a black matrix, a plurality of spacers are provided at a side of the color film substrate facing the array substrate; grooves, in one-to-one correspondence with at least some of the spacers, are provided in a side surface of the array substrate facing the color film substrate, and a piezoelectric mechanism electrically connected to a detection circuit is mounted in each of the grooves and is located within a region of projection of the black matrix onto the array substrate; wherein, the piezoelectric mechanism generates an electrical signal when the spacer is pressed against the corresponding piezoelectric mechanism.
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公开(公告)号：US10520743B2
公开(公告)日：2019-12-31
申请号：US15509358
申请日：2016-07-29
Inventor： Jian Gao , Xue Dong , Xiaochuan Chen , Wenqing Zhao , Pengcheng Lu , Ming Yang , Qian Wang , Xiaochen Niu , Rui Xu , Lei Wang , Pengpeng Wang
Abstract: A backlight module, a display device and a method for driving the same are disclosed, such that brightness of display device can be increased when rendering 3D display. The backlight module includes a light guide plate, a light-splitting structure and an edge light source, wherein the light-splitting structure includes a plurality of strip-shaped first light-splitting units and a plurality of strip-shaped second light-splitting units, the first light-splitting unit and second light-splitting unit are alternately disposed on the light output surface of the light guide plate, each of first light-splitting unit and second light-splitting unit comprises at least one grating strip, the first light-splitting unit is configured for directing light to output towards a first position external to the backlight module, and the second light-splitting unit is configured for directing light to emit towards a second position external to the backlight module. The backlight module is applied into the display device, such that the display device achieves 3D display function.
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Patent Agency Ranking
公开(公告)号：US20190237591A1
公开(公告)日：2019-08-01
申请号：US16179319
申请日：2018-11-02
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Chihjen Cheng , Pengpeng Wang , Wei Liu , Xueyou Cao , Xiaoliang Ding , Yanling Han , Ping Zhang
CPC classification number: H01L31/02019 , G09G3/20 , G09G2320/0626 , G09G2360/145 , H01L31/10
Abstract: The light detecting device provided by the present disclosure includes a reset circuit, a photoelectric conversion circuit, a voltage follower circuit, a selection circuit, and a light fluctuation detecting circuit. The light fluctuation detecting circuit is connected to each of a light fluctuation detection control terminal, a photoelectric node and an input terminal of the voltage follower circuit. The light fluctuation detecting circuit is configured to enable or disable a connection between the photoelectric node and the input terminal of the voltage follower circuit. When the light fluctuation detecting circuit is turned off, a drain current of the light fluctuation detecting circuit may change as the brightness of light received by the light fluctuation detecting circuit changes. The voltage at the output node is used to determining brightness of light received by the photoelectric conversion circuit and whether is a fluctuation in the in the brightness of the light.
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27.发明授权公开(公告)号：US10353505B2
公开(公告)日：2019-07-16
申请号：US15526984
申请日：2016-05-26
Inventor： Yingming Liu , Xue Dong , Hailin Xue , Haisheng Wang , Xiaochuan Chen , Xiaoliang Ding , Shengji Yang , Rui Xu , Changfeng Li , Wei Liu , Pengpeng Wang
IPC: G06F3/045 , G06F3/041 , G02F1/1333 , G02F1/1343 , G06F3/044
Abstract: An in-cell touch screen includes a pressure sensing structure. The pressure sensing structure includes a plurality of pressure sensitive electrodes arranged in an array and being independent from each other, each pressure sensitive electrode configured for generating a potential difference in response to a pressure caused by pressing; an input electrode electrically connected to the plurality of pressure sensitive electrodes for receiving a fixed potential in a pressure detection phase; and a plurality of output electrodes each electrically connected to a respective one of the plurality of pressure sensitive electrodes for outputting a signal indicative of a change in a potential of the respective pressure sensitive electrode with respect to the fixed potential in the pressure detection phase.
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公开(公告)号：US20190206318A1
公开(公告)日：2019-07-04
申请号：US16182693
申请日：2018-11-07
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xiaoliang Ding , Xue Dong , Haisheng Wang , Yingming Liu , Chijen Cheng , Yuzhen Guo , Pengpeng Wang , Xueyou Cao , Yanling Han , Ping Zhang
IPC: G09G3/3233 , G06F3/041 , G06K9/00
Abstract: A pixel control circuit and control method, a pixel unit, a display substrate and device are provided. The pixel control circuit includes: a pressure detecting sub-circuit and a switching sub-circuit; the pressure detecting sub-circuit is connected to a control node, and configured to control a potential of the control node to be a first potential when a pressure signal is detected; and the switching sub-circuit is connected to a first power source terminal, a light-emitting sub-circuit in the pixel unit and the control node respectively, and configured to provide a first power source signal from the first power source terminal for the light-emitting sub-circuit when the potential of the control node is the first potential. The pixel control circuit effectively raises the speed of fingerprint detection.
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公开(公告)号：US20190163307A1
公开(公告)日：2019-05-30
申请号：US16313398
申请日：2018-03-20
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Chih Jen Cheng , Xiaoliang Ding , Changfeng Li , Pengpeng Wang , Wei Liu , Yanling Han , Xueyou Cao , Ping Zhang
IPC: G06F3/041 , G09G3/3233
Abstract: The present disclosure relates to a touch driving circuit. The touch driving circuit may include a driving transistor. A control terminal of the driving transistor is configured to receive a data signal. A first terminal of the driving transistor is configured to receive a power signal. A second terminal of the driving transistor is connected to a first electrode of a light emitting element in the touch panel. The touch driving circuit may include a touch electrode configured to transmit a touch signal. The touch electrode forms parasitic capacitance with a second electrode of the light emitting element. The touch driving circuit may include a control unit configured to transmit a compensation signal to the second terminal of the driving transistor in response to a control signal. The power signal, the data signal, the touch signal, and the compensation signal are synchronously modulated signals during a touch stage.
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公开(公告)号：US20190157356A1
公开(公告)日：2019-05-23
申请号：US16095982
申请日：2018-03-14
Applicant: BOE Technology Group Co., Ltd.
Inventor： Changfeng Li , Haisheng Wang , Yingming Liu , Xiaoliang Ding , Rui Xu , Lijun Zhao , Pengpeng Wang , Wei Liu
IPC: H01L27/32 , G06F3/041 , G06F3/044 , H01L51/52 , G09G3/3225
Abstract: An OLED display device, and control method and manufacturing method thereof are provided, in the field of display technology. The OLED display device includes: a base substrate (01), wherein a plurality of OLEDs (02) arranged in an array are disposed on the base substrate (01), an area of the base substrate (01) where the OLEDs (02) are not disposed is provided with touch electrodes (03), the touch electrodes (03) are connected to a touch integrated circuit IC (1) in the OLED display device, and the touch electrodes (03) and the OLEDs (02) are located on the same surface of the base substrate (01), thereby solving the problem that the entire OLED display device is too thick and reducing the thickness of the entire OLED display device, which can be applied in the OLED display device.
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