公开(公告)号：US12256499B2

公开(公告)日：2025-03-18

申请号：US17296237

申请日：2021-04-20

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

Inventor： Xi Cheng

IPC: H05K1/02 ,  H05K3/28

Abstract: A driver substrate and a display panel are disclosed. The driver substrate includes a base substrate and a flexible circuit board. The base substrate has a first bonding portion. The flexible circuit board is disposed on a bonding surface of the first bonding portion and bends from the bonding surface to a side of the first bonding portion away from the bonding surface. The flexible circuit board includes a bent portion, an anti-scratch structure is disposed between the bent portion and the first bonding portion, and the bent portion is attached to the anti-scratch structure.

公开(公告)号：US12218245B2

公开(公告)日：2025-02-04

申请号：US17419354

申请日：2021-05-31

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

Inventor： Xi Cheng

IPC: H01L29/786 ,  H01L25/075 ,  H01L25/16 ,  H01L27/12

Abstract: The application discloses a thin film transistor and a light-emitting diode (LED) backplane. The thin film transistor includes: a first gate, a first insulating layer, a first source, a semiconductor layer, a first drain, a second insulating layer, and a second gate; the first insulating layer covers the first gate; the first source, the semiconductor layer, and the first drain are all disposed at a side of the first insulating layer away from the first gate; the second insulating layer covers the first drain, the semiconductor layer, and the first source; and the second gate is disposed on a surface of a side of the second insulating layer away from the first gate, wherein the first source, the semiconductor layer, and the first drain jointly constitute a vertical channel structure.

公开(公告)号：US20240032206A1

公开(公告)日：2024-01-25

申请号：US17296237

申请日：2021-04-20

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

Inventor： Xi Cheng

IPC: H05K3/28 ,  H05K1/02

CPC classification number: H05K3/28 ,  H05K1/028 ,  H05K2201/10128

Abstract: A driver substrate and a display panel are disclosed. The driver substrate includes a base substrate and a flexible circuit board. The base substrate has a first bonding portion. The flexible circuit board is disposed on a bonding surface of the first bonding portion and bends from the bonding surface to a side of the first bonding portion away from the bonding surface. The flexible circuit board includes a bent portion, an anti-scratch structure is disposed between the bent portion and the first bonding portion, and the bent portion is attached to the anti-scratch structure.

公开(公告)号：US11977297B2

公开(公告)日：2024-05-07

申请号：US17414344

申请日：2021-04-02

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

Inventor： Xi Cheng ,  Gang Yu

IPC: G02F1/1335 ,  G02F1/13357

CPC classification number: G02F1/133612 ,  G02F1/133603 ,  G02F1/133608

Abstract: A splicing type light board and a display device are provided with a first LED light board and a second LED light board; a first end of the first LED light board near a first signal input terminal, and a second end away from the first signal input terminal; a first end of the second LED light board near a second signal input terminal, and a second end away from the second signal input terminal; and the first end of the first LED light board connecting the first end of the second LED light board or the second end of the first LED light board connecting the second end of the second LED light board.