公开(公告)号：US12067911B2

公开(公告)日：2024-08-20

申请号：US17854152

申请日：2022-06-30

申请人： LX SEMICON CO., LTD.

发明人： Jung Min Choi ,  Jong Min Park ,  Chung Min Lee ,  Kwon Sang Han

IPC分类号： G09G3/00

CPC分类号： G09G3/006 ,  G09G2310/0275

摘要： A display driving device for driving a display panel, including a gate line, a data line intersecting with the gate line, and a pixel defined by the gate line and the data line, includes a data driver inputting an image signal to the pixel through the data line, a panel test unit determining the occurrence or not of an error of the gate line or the data line, and a switching unit selectively connecting the data driver or the panel test unit to the display panel.

公开(公告)号：US11784645B2

公开(公告)日：2023-10-10

申请号：US17548310

申请日：2021-12-10

申请人： LX Semicon Co., Ltd.

发明人： Chung Min Lee ,  Hun Yong Lim

IPC分类号： H03K3/356 ,  H03K19/0185 ,  H03K19/003

CPC分类号： H03K19/018521 ,  H03K19/00315

摘要： The present disclosure provides a technology for a level shifter that allows the selection of a single-stage level shifter or a two-stage level shifter by a simple alteration to wiring. When the single-stage level shifter is selected, some circuits may remain as dummy circuits.

公开(公告)号：US20220200598A1

公开(公告)日：2022-06-23

申请号：US17548310

申请日：2021-12-10

申请人： LX Semicon Co., Ltd.

发明人： Chung Min Lee ,  Hun Yong Lim

IPC分类号： H03K19/0185 ,  H03K19/003

摘要： The present disclosure provides a technology for a level shifter that allows the selection of a single-stage level shifter or a two-stage level shifter by a simple alteration to wiring. When the single-stage level shifter is selected, some circuits may remain as dummy circuits.