公开(公告)号：US11600681B2

公开(公告)日：2023-03-07

申请号：US16960729

申请日：2019-08-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dachao Li ,  Shengji Yang ,  Chen Xu

IPC: H01L27/32

Abstract: A display device and a manufacturing method thereof are disclosed. The display device includes a base substrate and at least one pixel circuit provided on the base substrate. The pixel circuit includes a driving transistor, a first transistor, and a second transistor; the base substrate includes a semiconductor body that can be doped, and a first conductive layer and a second conductive layer that are on the semiconductor body; the first transistor includes a first doped region in contact with the first electrode of the first transistor, and a second doped region in contact with a second electrode of the first transistor, and the first doped region of the first transistor and the second doped region of the first transistor are spaced apart from each other, have a same doping type, and are both in the semiconductor body.

公开(公告)号：US11600234B2

公开(公告)日：2023-03-07

申请号：US16814119

申请日：2020-03-10

Applicant: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Weilin Lai ,  Yucheng Chan ,  Jianbang Huang ,  Dachao Li ,  Shengji Yang ,  Pengcheng Lu ,  Kuanta Huang ,  Xiaochuan Chen ,  Xue Dong ,  Hui Wang ,  Yanming Wang ,  Chen Xu ,  Dacheng Zhang ,  Yongfa Dong ,  Qing Wang ,  Hui Tong ,  Yunlong Li

IPC: H01L27/32 ,  G09G3/3291 ,  G09G3/3258 ,  G09G3/3266

Abstract: A display substrate and a driving method thereof are provided. The display substrate includes a base substrate containing a monocrystalline silicon layer, a thickness of the monocrystalline silicon layer being less than that of the base substrate; an array circuit layer, disposed on the base substrate and including a plurality of transistors, each of which has an active layer inside the monocrystalline silicon layer; and a plurality of light-emitting elements, located at a side of the array circuit layer away from the base substrate. The array circuit layer includes a scan driving circuit, a data driving circuit and a plurality of pixel sub-circuits, and the plurality of pixel sub-circuits are connected to the plurality of light-emitting elements, respectively, to form a plurality of sub-pixels.