公开(公告)号：US12039913B2

公开(公告)日：2024-07-16

申请号：US16475086

申请日：2019-01-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Han Yue ,  Xiaochuan Chen ,  Minghua Xuan ,  Can Wang ,  Can Zhang ,  Ning Cong ,  Ming Yang

IPC: G09G3/32 ,  G09G3/20 ,  G09G3/3233

CPC classification number: G09G3/32 ,  G09G3/2018 ,  G09G3/2081 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0267 ,  G09G2310/061 ,  G09G2320/0242

Abstract: A pixel circuit includes a current control circuit, a time control circuit, and a light-emitting component, which are electrically coupled to one another in series along a common passage path of a driving current. The current control circuit is configured to control an intensity of the driving current according to a display data signal received thereby. The time control circuit is configured to control a passage time of the driving current according to a time data signal and a switch control signal received thereby. The light-emitting component is configured to emit a light according to the intensity and the passage time of the driving current.

公开(公告)号：US11765930B2

公开(公告)日：2023-09-19

申请号：US17332834

申请日：2021-05-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Renquan Gu ,  Can Wang ,  Haitao Huang ,  Libo Wang ,  Yang Yue ,  Qi Yao

IPC: H10K50/844 ,  G02F1/1335 ,  H10K50/858 ,  H10K71/00

CPC classification number: H10K50/844 ,  G02F1/133526 ,  H10K50/858 ,  H10K71/00 ,  G02F1/133519

Abstract: The present disclosure relates to the field of display technology, and provides a display substrate and a method for manufacturing the same. The display substrate includes: a light-emitting substrate comprising a plurality of light-emitting regions which are arranged in parallel with a light propagation direction, and each light-emitting region is provided with a light-emitting layer; a defining layer provided on the light-emitting substrate and including a plurality of hollow-out portions, and the hollow-out portions correspond to the light-emitting regions one to one; and a plurality of micro-lenses provided in the hollow-out portions in a one-to-one correspondence manner. With the present disclosure, it is possible to prevent damage to an underlying light-emitting substrate when forming the micro-lenses and to enhance the stability of the micro-lenses.

公开(公告)号：US20230133470A1

公开(公告)日：2023-05-04

申请号：US18089154

申请日：2022-12-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Can Zhang ,  Xiaochuan Chen Residence ,  Can Wang ,  Han Yue ,  Ning Cong ,  Ming Yang ,  Minghua Xuan

IPC: H10K50/818 ,  H10K59/30 ,  H10K50/816 ,  H10K71/00 ,  H10K50/852 ,  H10K50/856

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 two double-layer adjusting units stacked on the reflective layer, each including an insulating layer and a conductive layer sequentially arranged and directly contacted in a direction away from the reflective layer. For at least one unit, a via hole is provided in the insulating layer, an electrode lead formed integrally with the conductive layer is provided in the via hole, and electrically connected to the reflective layer through the electrode lead. In each unit, a difference between a thickness of the conductive layer and a thickness of the insulating layer does not exceed a set threshold configured to control the thickness of the insulating layer. The conductive layer farthest from the reflective layer locates on different levels in light-emitting regions of different types of light-emitting devices.

公开(公告)号：US11501713B2

公开(公告)日：2022-11-15

申请号：US16858170

申请日：2020-04-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Han Yue ,  Can Zhang ,  Can Wang ,  Minghua Xuan

IPC: G09G3/3258 ,  G09G3/3291 ,  G09G3/3216 ,  G09G3/325 ,  G09G3/3233 ,  G09G3/3225

Abstract: The disclosure provides a pixel circuit and a driving method thereof, a display device. The pixel circuit includes: a storage capacitor having a first terminal coupled to a first node and a second terminal coupled to a second node; a light emitting diode having a first electrode coupled to a third node and a second electrode coupled to a second power supply terminal; a data writing circuit configured to write a data voltage into the second node; a compensation circuit configured to write a voltage of the third node, as a compensation voltage, into the first node; a driving transistor having a control terminal coupled to the first node, a first electrode coupled to a first power supply terminal and a second electrode coupled to the light emitting control circuit; a light emitting control circuit configured to control the light emitting diode to emit light.

公开(公告)号：US11335241B2

公开(公告)日：2022-05-17

申请号：US16612887

申请日：2019-04-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Han Yue ,  Minghua Xuan ,  Ning Cong ,  Can Zhang ,  Can Wang ,  Detao Zhao ,  Xiaochuan Chen

IPC: G09G3/32 ,  G09G3/20 ,  G09G3/3233

Abstract: What is described above are optional embodiments of the present disclosure. It should be noted that, for those of ordinary skills in the art, several modifications and refinements may be made without departing from the principle of the present disclosure. These modifications and refinements should also be considered to be within the scope of the present disclosure. What is described above are optional embodiments of the present disclosure. It should be noted that, for those of ordinary skills in the art, several modifications and refinements may be made without departing from the principle of the present disclosure. These modifications and refinements should also be considered to be within the scope of the present disclosure.

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

IPC: G09G3/32 ,  G09G3/20

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.

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.

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

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56 ,  H01L51/00 ,  H01L51/50

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.

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.

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

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/56 ,  H01L51/50

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.