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公开(公告)号：US20210408429A1
公开(公告)日：2021-12-30
申请号：US16960046
申请日：2019-08-23
Applicant: Boe Technology Group Co., Ltd.
Inventor： Shengji YANG , Hui Wang , Xiaochuan Chen , Kuanta Huang , Yanming Wang , Pengcheng Lu , Yage Song , Guangtong LIU , Jiantong Li
Abstract: A display substrate and a manufacturing method thereof are provided. The display substrate includes a base substrate, as well as a first conductive layer, an organic functional layer and a second conductive layer which are on the base substrate sequentially, and the organic functional layer includes a carrier injection layer including a first carrier injection layer portion and a second carrier injection layer portion which are in a first sub-pixel area and a second sub-pixel area respectively; the display substrate further includes a spacer which separates the first carrier injection layer portion and the second carrier injection layer portion, and the carrier injection layer further includes a third carrier injection layer portion which is separated from the first carrier injection layer portion and the second carrier injection layer portion respectively.
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公开(公告)号：US20210408332A1
公开(公告)日：2021-12-30
申请号：US16959169
申请日：2019-07-10
Applicant: BOE Technology Group Co., Ltd.
Inventor： Shengji Yang , Xiaochuan Chen , Hui Wang , Pengcheng Lu
Abstract: Provided is a display substrate including: a base substrate, a plurality of micro light-emitting diodes and a plurality of touch electrodes; wherein the micro light-emitting diode comprises: a first electrode, a light-emitting layer, and a second electrode that are sequentially arranged in a direction distal from the base substrate; and the touch electrode is disposed on a side of the micro LED distal from the base substrate. A manufacturing method of manufacturing a display substrate, a display panel, and a display device are also provided.
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公开(公告)号：US20210407379A1
公开(公告)日：2021-12-30
申请号：US16763348
申请日：2019-05-22
Applicant: BOE Technology Group Co., Ltd.
Inventor： Shengji Yang , Xiaochuan Chen , Hui Wang , Kuanta Huang , Pengcheng Lu
Abstract: The present application discloses a pixel driving circuit with touch-sensing function. The driving circuit includes a first drive-control sub-circuit, a display-drive sub-circuit, a second drive-control sub-circuit, and an emission-control sub-circuit connected in series to generate a drive-current to drive a light-emission device in the subpixel under control of an emission-control signal in a respective one of multiple emission duty periods of a cycle time for displaying one frame of image. The drive circuit also includes a data-input sub-circuit and a charge sub-circuit to set a first voltage to the control terminal of the display-drive sub-circuit. Additionally, the drive circuit includes a photo-sensing sub-circuit configured to reset a photo-sensing device integrated with the light-emission device in the subpixel for touch sensing in a touch-sensing period before entering any one of the multiple emission duty periods of the cycle time.
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公开(公告)号：US20210407376A1
公开(公告)日：2021-12-30
申请号：US16612927
申请日：2019-01-07
Applicant: BOE Technology Group Co., Ltd.
Inventor： Han Yue , Xiaochuan Chen , Minghua Xuan , Can Zhang , Can Wang , Ming Yang , Ning Cong
Abstract: The present application discloses pixel circuit including a current-control circuit coupled respectively to a first data-signal terminal, a first voltage terminal, a first scan-signal terminal, and a first output node. The current-control circuit is configured to output a driving current to the first output node based on a first data signal and a first voltage signal in response to a first scan signal. The pixel circuit further includes a timing-control circuit coupled respectively to a second data-signal terminal, a second scan-signal terminal, multiple modulation-signal terminals, the first output node, and a second output node. The timing-control circuit is configured to select one modulation signal based on a second data signal in response to a second scan signal and to output the driving current from the current-control circuit via the second output node to a light-emitting device based on the modulation signal.
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公开(公告)号：US20210354128A1
公开(公告)日：2021-11-18
申请号：US16612937
申请日：2019-06-24
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xianqin Meng , Wei Wang , Jifeng Tan , Xiandong Meng , Xiaochuan Chen , Jian Gao , Pengxia Liang , Fangzhou Wang
Abstract: A microfluidic apparatus is provided. The microfluidic apparatus includes a base substrate; a microfluidic device on the base substrate and including a plurality of micro fluidic channels; a plurality of light sources of different colors respectively emitting light of different wavelength ranges; a light extraction apparatus for extracting light respectively from the plurality of light sources of different colors and a plurality of photosensors. The light extraction apparatus includes a light guide plate having a plurality of light incident portions for respectively receiving light respectively incident from the plurality of light sources of different colors, the plurality of light incident portions being on a side of the light guide plate away from the microfluidic device; and a plurality of light extractors on the light guide plate.
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Patent Agency Ranking
公开(公告)号：US11176878B2
公开(公告)日：2021-11-16
申请号：US16606128
申请日：2019-05-14
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Detao Zhao , Lei Wang , Ming Yang , Can Wang , Ning Cong , Han Yue , Can Zhang , Minghua Xuan , Xiaochuan Chen
IPC: G09G3/32 , G09G3/3225 , G06F1/16 , G09G3/00
Abstract: A flexible display screen, a bending detection method and device, a driving method are disclosed. The flexible display screen includes an array substrate, a light emitting device on a side of the array substrate, and an elastic conductor layer on a side of the array substrate distal to the light emitting device. The array substrate includes at least one target region, and a plurality of storage capacitors in each target region. The array substrate further includes a target electrode-plate including first electrode-plates of storage capacitors in the same target region. The target electrode-plate is electrically connected to a detecting signal terminal, and the detecting electrode-plate includes at least the target electrode-plate. The array substrate is configured to form a bending detection capacitor collectively by the detecting electrode-plate and the elastic conductor layer in response to the target electrode-plate receives detecting signal.
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公开(公告)号：US11169421B2
公开(公告)日：2021-11-09
申请号：US15780071
申请日：2017-11-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiaochen Niu , Xue Dong , Xiaochuan Chen , Wenqing Zhao , Chenyu Chen , Haiyan Wang
IPC: G02F1/1343 , G02F1/1335 , G02F1/13357 , G02F1/1337 , G09G3/36
Abstract: A liquid crystal display and a driving method thereof are provided. The liquid crystal display includes a backlight source, a lower substrate at a light exit side of the backlight source, an upper substrate opposite to the lower substrate, and a liquid crystal layer between the two substrates. The backlight source includes a plurality of light sources, and light emitted from each light source is collimated light. The liquid crystal display further includes at least one first electrode and at least one second electrode between the lower substrate and the liquid crystal layer and a light shielding structure, orthographic projections of the light source and the light shielding structure on the lower substrate overlapping. The first and second electrodes are configured to receive different voltages to form an electric field, so that liquid crystal molecules within the electric field are deflected to form convex lens structures.
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48.发明申请公开(公告)号：US20210341790A1
公开(公告)日：2021-11-04
申请号：US16336982
申请日：2018-03-07
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xiandong Meng , Wei Wang , Xiaochuan Chen , Jifeng Tan , Xianqin Meng , Jian Gao , Fangzhou Wang
IPC: G02F1/13357 , G02F1/1335
Abstract: The present application discloses a liquid crystal display apparatus and a fabricating method thereof, a back light and a fabricating method thereof. The liquid crystal display apparatus includes a base substrate; a liquid crystal layer; and an anisotropic grating on a side of the liquid crystal layer distal to the base substrate. The anisotropic grating includes a plurality of barriers and a plurality of slits arranged alternately. The anisotropic grating is configured to separate incident light into light of a first color, light of a second color, and light of a third color, and configured to emit the light of the first color, the light of the second color, and the light of the third color at different exit angles, respectively.
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公开(公告)号：US20210335212A1
公开(公告)日：2021-10-28
申请号：US16605932
申请日：2019-05-10
Applicant: BOE Technology Group Co., Ltd.
Inventor： Ning Cong , Minghua Xuan , Han Yue , Ming Yang , Xiaochuan Chen , Detao Zhao , Liang Chen , Can Zhang , Can Wang
IPC: G09G3/32
Abstract: The present application discloses a pixel circuit and its driving method. The pixel circuit includes an input circuit, a control circuit, and 2N output circuits with N being a positive integer. The input circuit is configured to control a voltage level of a respective one of N control nodes under control of a gate-driving signal from each gate line and a first control signal. The control circuit is configured to respectively control a voltage level of each of 2N switching nodes under control of the N control nodes. The 2N output circuits are respectively connected to 2N data-signal terminals and the 2N switching nodes. Among the 2N output circuits, an i-th output circuit is configured to input an i-th data signal from an i-th data-signal terminal of the 2N data-signal terminals to an emission circuit under control of an i-th switching node of the 2N switching nodes.
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公开(公告)号：US11150398B2
公开(公告)日：2021-10-19
申请号：US16013692
申请日：2018-06-20
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xiandong Meng , Xue Dong , Xiaochuan Chen , Jifeng Tan , Haiyan Wang , Wei Wang , Jian Gao , Wenqing Zhao
IPC: F21V8/00
Abstract: An edge-lit type backlight module and a display device are provided. The edge-lit type backlight module includes a light guide plate having a first surface and a second surface opposite to each other, as well as a first end and a second end opposite to each other, the first end and a second end having a distribution orientation parallel to the first surface; a light source disposed on the first surface of the light guide plate and being close to the first end of the light guide plate; a metal grating disposed on the second surface of the light guide plate, an orthographic projection of the metal grating on the first surface covering an orthogonal projection of the light source on the first surface.
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