公开(公告)号：US20230411528A1

公开(公告)日：2023-12-21

申请号：US17876578

申请日：2022-07-29

Applicant: TCL China Star Optoelectronics Technology Co., Ltd.

Inventor： Liang HU ,  Bin LIU

IPC: H01L29/786 ,  H01L29/66

CPC classification number: H01L29/78633 ,  H01L29/7869 ,  H01L29/66742

Abstract: An array substrate, a method of manufacturing the same, and a display panel are provided. The array substrate includes a substrate, a conductive thin film layer, a first light-shielding layer, a second light-shielding layer, a third light-shielding layer, and an array device layer, wherein orthographic projection areas of the first light-shielding layer and second light-shielding layer on the substrate are positioned in an orthographic projection area of the conductive thin film layer on the substrate, wherein a pixel unit of the array device layer includes a first thin film transistor, a second thin film transistor, and a third thin film transistor. The first light-shielding layer is positioned between the substrate and the first thin film transistor, the second light-shielding layer is positioned between the substrate and the second thin film transistor, and the third light-shielding layer is positioned between the substrate and the third thin film transistor.

公开(公告)号：US20240221640A1

公开(公告)日：2024-07-04

申请号：US17793672

申请日：2022-07-01

Applicant: TCL China Star Optoelectronics Technology Co., Ltd.

Inventor： Liang HU

IPC: G09G3/3233 ,  G09G3/32

CPC classification number: G09G3/3233 ,  G09G3/32 ,  G09G2300/0852 ,  G09G2320/0233

Abstract: A pixel driving circuit and a display panel are provided. The pixel driving circuit includes a driving transistor connected in series with a light-emitting element between a first power supply line and a second power supply line, a data transistor electrically connected to a gate electrode of the driving transistor, a boost module configured to load a boost input signal. An output terminal of the boost module is electrically connected to the gate electrode of the driving transistor to increase a voltage of the gate electrode of the driving transistor from a first voltage to the second voltage. A connection point between a first capacitor and a second capacitor is connected to the gate electrode of the driving transistor.

公开(公告)号：US20240185777A1

公开(公告)日：2024-06-06

申请号：US17790062

申请日：2022-06-27

Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.

Inventor： Liang HU

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/0233

Abstract: The present disclosure provides a pixel driving circuit and a display panel, including a data transistor connected to a data line, a driving transistor connected in series with a light emitting element between a first power supply line and a second power supply line, and a boost module of which an input terminal is loaded with a boost input signal. A source and a gate of the driving transistor are respectively electrically connected to the light emitting element and the data transistor, and an output terminal of the boost module is electrically connected to the gate of the driving transistor to enable the voltage of the gate of the driving transistor to boost from a first voltage to a second voltage.