公开(公告)号：US20210217362A1

公开(公告)日：2021-07-15

申请号：US16959011

申请日：2019-12-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pan Xu ,  Yicheng Lin ,  Guoying Wang ,  Ling Wang

IPC: G09G3/3233 ,  G09G3/3275

Abstract: The present disclosure discloses a pixel circuit, a driving method thereof, a display panel, and a display device, which belong to the technical field of display. The pixel circuit includes a data writing sub-circuit, a compensation sub-circuit, a storage sub-circuit, and a driving sub-circuit. Since the compensation sub-circuit may output a first power signal to a first node, the storage sub-circuit may adjust the potential of a second node according to the potential of the first node.

公开(公告)号：US10984719B2

公开(公告)日：2021-04-20

申请号：US16607286

申请日：2019-04-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pan Xu ,  Cuili Gai ,  Yi Cheng Lin ,  Ling Wang

IPC: G09G3/3258 ,  G09G3/3266 ,  G09G3/3291

Abstract: A pixel circuit unit, a driving method thereof, a display panel and a display device are disclosed. The pixel circuit unit includes a plurality of pixel drive circuits and a voltage control circuit including a first terminal and a second terminal; the first terminal is connected with a first voltage terminal to receive a first supply voltage provided by the first voltage terminal; each pixel drive circuit includes a light-emitting drive circuit including a supply voltage receiving terminal and a control terminal; the supply voltage receiving terminal is electrically connected with the second terminal, so as to allow the supply voltage receiving terminal to be capable of receiving the first supply voltage; and the voltage control circuit is configured to be disconnected in a data voltage writing stage, so that the supply voltage receiving terminal does not receive the first supply voltage in the data voltage writing stage.

公开(公告)号：US10978524B2

公开(公告)日：2021-04-13

申请号：US16308537

申请日：2018-05-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Cuili Gai ,  Yi Cheng Lin ,  Pan Xu ,  Baoxia Zhang ,  Quanhu Li ,  Ling Wang

IPC: H01L27/32 ,  H01L21/56 ,  H01L51/52 ,  H01L51/56

Abstract: An electroluminescent display substrate and a manufacturing method thereof, a display panel and a display apparatus are disclosed. The electroluminescent display substrate includes: a base substrate including a display area and a peripheral area surrounding the display area, wherein at least one OLED device is in the display area; a pixel defining layer in the display area and the peripheral area; at least one groove in the pixel defining layer in the peripheral area; wherein the at least one OLED device has a first electrode, the first electrode is on a side of the pixel defining layer away from the base substrate and extends to cover the groove.

公开(公告)号：US20190189839A1

公开(公告)日：2019-06-20

申请号：US16182883

申请日：2018-11-07

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yicheng LIN ,  Cuili Gai ,  Baoxia Zhang ,  Ling Wang ,  Quanhu Li ,  Pan Xu

IPC: H01L33/00 ,  G09G3/00

Abstract: The present disclosure provides a display panel, a display device comprising such a display panel, and a method for processing defective pixels of such a display panel. The display panel comprises: a substrate; a plurality of pixel units on the substrate and arranged in an array. Each of the pixel units includes a light emitting region and a driving circuit region. In each of the pixel units, the driving circuit region includes a transistor, the light emitting region includes a first electrode, and the first electrode is electrically coupled to a first terminal of the transistor. In a row direction or a column direction of the plurality of pixel units arranged in an array, light emitting regions of two adjacent pixel units are adjacent to each other.