公开(公告)号：US11716871B2

公开(公告)日：2023-08-01

申请号：US17411691

申请日：2021-08-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Gang Yu ,  Zhuo Chen

IPC: H01L51/50 ,  H10K50/828 ,  H10K50/16 ,  H10K71/60 ,  H10K101/30

CPC classification number: H10K50/828 ,  H10K50/16 ,  H10K71/60 ,  H10K2101/30

Abstract: The present disclosure provides a light emitting diode, a method of preparing the same, and a display device. The light emitting diode includes an anode, a quantum dot light emitting layer, an electron transport layer, a cathode, and a transition layer located between the electron transport layer and the cathode, the cathode including a transparent conductive oxide material, and a material of the transition layer having a work function WF between an LUMO of a material of the electron transport layer and a work function WF of a material of the cathode.

公开(公告)号：US11374051B2

公开(公告)日：2022-06-28

申请号：US16640488

申请日：2019-08-01

Applicant: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Gang Yu

IPC: H01L27/146 ,  G01T1/20 ,  H01L31/0224

Abstract: The present disclosure provides a photoelectric conversion array substrate and a photoelectric conversion device, and the photoelectric conversion array substrate includes: a base substrate; a thin film transistor located on the base substrate and including a gate, a gate insulating layer disposed on the gate, an active layer disposed on the gate insulating layer, and a source electrode and a drain electrode located on the active layer; a photodetection unit located on the base substrate and including a signal output electrode, a photosensitive layer and a transparent electrode that are located on the base substrate, the signal output electrode electrically connected to the drain electrode, wherein an orthographic projection of the transparent electrode on the base substrate is located within an orthographic projection of the photosensitive layer on the base substrate; a first protective layer covering the source electrode and the drain electrode.

公开(公告)号：US11133487B2

公开(公告)日：2021-09-28

申请号：US16630595

申请日：2019-07-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Gang Yu ,  Zhuo Chen

IPC: H01L51/52 ,  H01L51/00 ,  H01L51/50

Abstract: The present disclosure provides a light emitting diode, a method of preparing the same, and a display device. The light emitting diode includes an anode, a light emitting layer, an electron transport layer, a cathode, and a metal transition layer located between the electron transport layer and the cathode, the cathode including a transparent conductive oxide material, and a material of the metal transition layer having a work function WF between an LUMO of a material of the electron transport layer and a work function WF of a material of the cathode.

公开(公告)号：US10747349B2

公开(公告)日：2020-08-18

申请号：US16210912

申请日：2018-12-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD. ,  BEIJING BOE OPTOELECTONICS TECHNOLOGY CO., LTD.

Inventor： Yong Peng ,  Yangheng Li ,  Hanqing Liu ,  Weixiong Chen ,  Le Zhang ,  Gang Yu ,  Ling Li

IPC: G06F3/044 ,  G06F3/041 ,  G06F3/047 ,  G09G3/20 ,  H01L27/12

Abstract: Embodiments of the present disclosure disclose a display substrate, a display panel, a display apparatus, and a method for driving a display apparatus. The display substrate includes: a plurality of first wiring groups each comprising a plurality of first wirings extending in a first direction; a plurality of second wiring groups each comprising a plurality of second wirings and at least one transmission signal line extending in a second direction crossing the first direction; a plurality of first switching circuits each connecting a plurality of first wirings in a corresponding one of the first wiring groups to a control signal line; and a plurality of second switching circuits each connecting a plurality of second wirings in a corresponding one of the second wiring groups to the control signal line.