公开(公告)号：US20230206822A1

公开(公告)日：2023-06-29

申请号：US18176199

申请日：2023-02-28

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

Inventor： Yongfeng WU ,  Wenfang LI ,  Haoran LI

IPC: G09G3/20 ,  G09G3/32 ,  H03K3/012 ,  H03K17/687

CPC classification number: G09G3/2096 ,  G09G3/32 ,  H03K3/012 ,  H03K17/6872 ,  G09G2310/08

Abstract: A switch device includes: a switch circuit; a control signal input terminal configured to input a control signal to the switch circuit; a voltage input terminal configured to input an initial voltage to the switch circuit; and a voltage output terminal configured to output an output voltage to a light-emitting device. The switch circuit includes: a first input terminal and a second input terminal electrically connected to the control signal input terminal and the voltage input terminal, respectively; and a first output terminal electrically connected to the voltage output terminal.