公开(公告)号：US20190280066A1

公开(公告)日：2019-09-12

申请号：US15780454

申请日：2017-11-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yi-Cheng LIN ,  Quanhu LI ,  Yu WANG ,  Cuili GAI ,  Ming I CHU ,  Chien Pang HUANG

IPC: H01L27/32 ,  G09G3/3225

Abstract: A pixel circuit and a driving method thereof, and a display panel is provided. The pixel circuit includes a first selection circuit, a first driving circuit, a first capacitor a first sensing circuit, a first organic light emitting element, a second capacitor and a capacitor control circuit. The first selection circuit and the first capacitor are electrically connected, and are configured to control the first driving circuit; the first sensing circuit is electrically connected to the first driving circuit and the first organic light emitting element and is configured to sense the first driving circuit or the first organic light emitting element; and the capacitor control circuit is configured to allow the first capacitor and the second capacitor to be connected in parallel or to be disconnected.

公开(公告)号：US20210233984A1

公开(公告)日：2021-07-29

申请号：US16652595

申请日：2019-04-19

Applicant: BOE Technology Group Co., Ltd

Inventor： Ling WANG ,  Yi-Cheng LIN ,  Guang YAN

IPC: H01L27/32

Abstract: The embodiment of the present disclosure discloses an array substrate, a fabrication method thereof, and a display device. The array substrate includes: a base substrate and a plurality of pixel units on the base substrate, wherein the pixel unit includes a plurality of sub-pixels; and the sub-pixel includes an electroluminescent component, a pixel circuit and a photo detection circuit; the pixel circuit includes a drive transistor for driving the electroluminescent component to emit light, and the drive transistor is a low temperature poly-si thin film transistor; and the photo detection circuit includes a detection switch transistor and a PIN-type photodiode, and the detection switch transistor is a metal oxide transistor.

公开(公告)号：US20190035334A1

公开(公告)日：2019-01-31

申请号：US15781937

申请日：2017-12-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yi-Cheng LIN ,  Quanhu LI ,  Cuili GAI ,  Yu WANG ,  Mingi CHU ,  Chien Pang HUANG

IPC: G09G3/3258 ,  G09G3/3275 ,  G09G3/3266

Abstract: A display panel, a display device and a compensating method are disclosed. The display panel includes: a plurality of sub-pixels arranged in rows and columns, each of the sub-pixels includes a pixel circuit; a plurality of sensing driving lines respectively connected with pixel circuits of the plurality of sub-pixels; and a sensing driver connected with the plurality of sensing driving lines. The pixel circuit includes a light emitting element, the sensing driver is configured to sense electrical parameters of light emitting elements of the pixel circuits of the plurality of sub-pixels through the plurality of sensing driving lines, and the sensing driver is configured to generate compensation signals according to the electrical parameters, and transmit the compensation signals to the pixel circuits of the plurality of sub-pixels through the plurality of sensing driving lines.

公开(公告)号：US20200035159A1

公开(公告)日：2020-01-30

申请号：US15779789

申请日：2017-12-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yi-Cheng LIN ,  Guang YAN ,  Quanhu LI ,  Mingi CHU

IPC: G09G3/3258

Abstract: Embodiments of the present disclosure provide a driving method for a pixel circuit. The pixel circuit includes a light emitting device and a drive transistor. The method includes: compensating the drive transistor in a first compensation manner including an internal voltage compensation during an operation period of the light emitting device; and compensating the drive transistor in a second compensation manner including the internal voltage compensation and an external voltage compensation during a non-operation period of the light emitting device.