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公开(公告)号：US11244598B2
公开(公告)日：2022-02-08
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：US11195467B2
公开(公告)日：2021-12-07
申请号：US16918960
申请日：2020-07-01
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Han Yue , Can Zhang , Can Wang , Angran Zhang , Minghua Xuan
IPC: G09G3/3258
Abstract: A pixel driving circuit and a display device are provided. The pixel driving circuit includes a voltage control circuit and a light-emitting time control circuit. The voltage control circuit is configured to control a voltage at a voltage writing node according to a first data voltage on a first data line; the light-emitting time control circuit is configured to connect the voltage writing node to a first electrode of a light-emitting device or disconnect the voltage writing node from the first electrode of the light-emitting device according to a second data voltage on a second data line and a reference voltage at a reference voltage terminal; and a second electrode of the light-emitting device is electrically connected to a first voltage terminal.
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公开(公告)号：US11114506B2
公开(公告)日：2021-09-07
申请号：US16648729
申请日：2019-09-05
Applicant: BOE Technology Group Co., Ltd.
Inventor： Can Zhang , Can Wang , Xiaochuan Chen
Abstract: The present application discloses an organic light emitting display panel, a display device and a manufacturing method thereof. The organic light emitting display substrate includes: a reflecting layer disposed on a substrate and a blocking layer disposed on the reflecting layer, where the blocking layer includes retaining walls configured to separate each pixel unit, and a transparent conducting layer, a first electrode, a light emitting layer and a second electrode which is semi-transparent and semi-reflective are arranged in sequence on a side, facing away from the substrate, of the reflecting layer within each pixel unit defined by retaining walls; in a direction vertical to the substrate, the thicknesses of the transparent conducting layers of pixel units with different emitting colors are different, such that the light emitted by each pixel unit is transmitted between the reflecting layer and the second electrode to satisfy the strong microcavity effect.
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公开(公告)号：US11011103B2
公开(公告)日：2021-05-18
申请号：US16488921
申请日：2019-01-03
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Han Yue , Ming Yang , Can Wang , Can Zhang , Minghua Xuan , Xiaochuan Chen
IPC: G09G3/32 , G09G3/3258
Abstract: A pixel circuit includes a first driving circuit, a light-emitting element, a second driving circuit, an energy storage circuit and an input circuit. A first end of the first driving circuit is connected to a power source voltage input end. An anode of the light-emitting element is connected to a second end of the first driving circuit. A first end of the second driving circuit is connected to a first level signal input end, a second end thereof is connected to a cathode of the light-emitting element. The energy storage circuit is connected to control ends of the first driving circuit and the second driving circuit, a second level signal input end. The input circuit is connected to a data signal input end, an input control end, the control end of the first driving circuit and the control end of the second driving circuit.
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45.发明申请公开(公告)号：US20200381652A1
公开(公告)日：2020-12-03
申请号：US16623199
申请日：2019-08-01
Applicant: BOE Technology Group Co., Ltd.
Inventor： Can Zhang , Xiaochuan Chen , Can Wang , Han Yue , Ning Cong , Ming Yang , Minghua Xuan
Abstract: An electrode, a method of manufacturing the same, a light-emitting device, and a display device are provided, the electrode includes: a reflective layer; and at least one double-layer adjusting unit stacked on the reflective layer, each double-layer adjusting unit comprising an insulating layer and a conductive layer sequentially arranged in a direction away from the reflective layer, a via hole is provided in the insulating layer, an electrode lead formed integrally with the reflective layer is provided in the via hole, and the conductive layer is electrically connected to the reflective layer through the electrode lead, in each double-laver adjusting unit, a difference between a thickness of the conductive layer and a thickness of the insulating layer does not exceed a set threshold, and the set threshold is configured to control the thickness of the insulating layer.
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Patent Agency Ranking
公开(公告)号：US20200243004A1
公开(公告)日：2020-07-30
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: G09G3/3225
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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47.发明申请公开(公告)号：US20190305069A1
公开(公告)日：2019-10-03
申请号：US16176708
申请日：2018-10-31
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: H01L27/32 , G06F3/044 , G09G3/3225 , H01L51/52 , H01L51/56
Abstract: The present disclosure provides a display substrate and a manufacturing method thereof, a display panel and a manufacturing method and a driving method thereof, and a display apparatus. The display substrate includes: a base substrate; and a first electrode, a signal line, and an organic layer between the first electrode and the signal line, all of which are on the base substrate, wherein the display substrate further comprises a conductive pillar configured to penetrate the organic layer and electrically connect the first electrode to the signal line.
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48.发明授权公开(公告)号：US09685252B2
公开(公告)日：2017-06-20
申请号：US14527518
申请日：2014-10-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Can Wang , Fang Liu , Yingwei Liu
CPC classification number: H01B1/023 , B32B15/017 , C23C14/16 , C23C14/18
Abstract: The present disclosure relates to an aluminum electrode, a method of forming an aluminum electrode and an electronic device therewith. An aluminum electrode according to one aspect of the present disclosure comprises: a bottom layer consisting of molybdenum; a top layer consisting of molybdenum; and an aluminum layer located between the bottom layer and the top layer, wherein the bottom layer, the top layer and the aluminum layer are formed at a temperature below 120° C. An aluminum electrode according to one embodiment of the present disclosure eliminates the mouse bite phenomenon. An aluminum electrode according to another aspect of the present disclosure comprises: a bottom layer consisting of a metal or metal-alloy nitride; a top layer consisting of molybdenum; and an aluminum layer located between the bottom layer and the top layer, wherein the bottom layer, the top layer and the aluminum layer are formed at a temperature below 120° C. An aluminum electrode according to another embodiment of the present disclosure eliminates both of the mouse bite phenomenon and the undercut phenomenon, and can further arrive at a desired profile angle by controlling the content of nitrogen.
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49.发明授权公开(公告)号：US09627546B2
公开(公告)日：2017-04-18
申请号：US14535772
申请日：2014-11-07
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: H01L29/786 , H01L29/66 , H01L29/24 , H01L21/02 , H01L27/12
CPC classification number: H01L29/7869 , H01L21/02118 , H01L27/1225 , H01L27/1248 , H01L29/24 , H01L29/66969 , H01L29/78633
Abstract: An oxide thin film transistor, an array substrate, methods of manufacturing the same and a display device are disclosed. The oxide thin film transistor includes: a base substrate; and a gate electrode, a gate insulating layer, an oxide active layer, drain/source electrodes sequentially disposed on the base substrate. The oxide TFT transistor further includes an ultraviolet barrier layer disposed on the oxide active layer, the ultraviolet barrier layer is made of a resin material contains an ultraviolet absorbent. The stability of the oxide TFT is enhanced by disposing the ultraviolet barrier layer over the oxide active layer of the oxide TFT, since the ultraviolet barrier layer blocks the impact of UV light on the oxide TFT.
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50.发明申请TRANS-REFLECTIVE LIQUID CRYSTAL DISPLAY ARRAY SUBSTRATE, MANUFACTURING METHOD THEREOF AND DISPLAY DEVICE 有权透射式液晶显示阵列基板，其制造方法及显示装置公开(公告)号：US20140111747A1
公开(公告)日：2014-04-24
申请号：US13993955
申请日：2012-11-29
Applicant: BOE Technology Group Co., Ltd.
IPC: G02F1/1335
CPC classification number: G02F1/133512 , G02F1/133371 , G02F1/133514 , G02F1/133555 , G02F1/136209 , G02F2201/40
Abstract: A trans-reflective liquid crystal display array substrate and a manufacturing method thereof. The trans-reflective liquid crystal display array substrate (1) includes a substrate (11) and a thin film transistor (12) provided thereon. A black matrix (13) is provided on the thin film transistor (12) and a reflective layer (14) is located on the black matrix (14). The brightness of the liquid crystal display panel is increased by enlarging the pixel aperture ratio.
Abstract translation: 一种反式反射型液晶显示阵列基板及其制造方法。 反射型液晶显示阵列基板（1）包括基板（11）和设置在其上的薄膜晶体管（12）。 在薄膜晶体管（12）上设置黑矩阵（13），反射层（14）位于黑矩阵（14）上。 液晶显示面板的亮度通过放大像素孔径比而增加。
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