公开(公告)号：US10777112B2

公开(公告)日：2020-09-15

申请号：US16424232

申请日：2019-05-28

申请人： DB HiTek Co., Ltd

发明人： Jung Heo ,  Seung Jin Yeo ,  Jae Hong Ko ,  Hoon Sang Ryu ,  Woo Hyoung Seo

IPC分类号： G09G3/20

摘要： A display driver integrated circuit (DDI) includes a level shifter unit configured to convert a level of a control signal to a voltage in a range that equal to or greater than a first voltage and is equal to or less than a second voltage and output a switch control signal, and a voltage generator including a capacitor and a switch that is turned on or off based on or in response to the switch control signal and configured to generate at least one third voltage.