公开(公告)号：US10115334B2

公开(公告)日：2018-10-30

申请号：US15290334

申请日：2016-10-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Chiahsin Lin ,  Chih-Yang Liao ,  Jae Yoon Kim

IPC: G09G3/20

Abstract: A display driving circuit comprising a level shift circuit, the level shift circuit including a level shift device configured to receive a source power applied thereto, and to generate an output signal by amplifying an input signal; a power switching circuit configured to provide any one of first to third selection powers as the source power to the level shift device, the first to third selection powers being different from one another; and a switch control circuit configured to change the first selection power to the second or third selection power based on a change of voltage levels of the first to third selection powers.

公开(公告)号：US09905194B2

公开(公告)日：2018-02-27

申请号：US14972435

申请日：2015-12-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chiahsin Lin ,  Chih-Yang Liao ,  Jaeyeon Kim

IPC: G09G1/00 ,  G09G5/00 ,  H02M3/07 ,  H02M1/00

CPC classification number: G09G5/006 ,  G09G3/20 ,  G09G2300/0426 ,  G09G2310/0289 ,  G09G2330/021 ,  G09G2380/02 ,  H02M3/07 ,  H02M3/073 ,  H02M2001/0032 ,  H02M2003/075 ,  Y02B70/16

Abstract: A display driving integrated circuit is provided which drives a plurality of gate lines included in a display panel. The display driving integrated circuit includes: a charge pump configured to change a voltage from an external power source to generate an output voltage; and a gate line driver configured to drive the plurality of gate lines based on the output voltage. The charge pump may operate in one of a low-current mode and a high-current mode based on a size of the display panel.