公开(公告)号：US11302760B2

公开(公告)日：2022-04-12

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：US11087688B2

公开(公告)日：2021-08-10

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.