公开(公告)号：US10692456B2

公开(公告)日：2020-06-23

申请号：US16256899

申请日：2019-01-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chul Ho Choi ,  Dip Wu ,  Jason Kuo ,  Jin Soo Kim ,  Joway Chen ,  Yuwen Chiou ,  Robert Lin

IPC: G09G3/36

Abstract: A display driver includes a first latch storing first image data, a second latch storing second image data, and a buffer unit including a plurality of output buffers outputting a source voltage corresponding to the first image data. Each of the plurality of output buffers includes an input stage, an output stage, and a pre-charge circuit connected between the input stage and the output stage. A pre-charge control unit compares the first image data with the second image data to control the pre-charge circuit.

公开(公告)号：US10997882B2

公开(公告)日：2021-05-04

申请号：US16261779

申请日：2019-01-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jin Oh Kim ,  Sung Jin Lim ,  Chul Ho Choi ,  Ryan Wang ,  Dashih Chang ,  Ha Joon Shin ,  Hanss Su ,  Jin Soo Kim ,  Jin Woo Kim ,  Kyung Gyu Park ,  Sam Liu ,  Yao Sheng Liang

IPC: G09G3/00 ,  G01R1/30 ,  G01R31/28 ,  G01R31/50

Abstract: A display device including: a panel unit including N data lines; and a data line driver unit including N channels, wherein the data line driver unit includes a channel amplifier unit, and a short detection device for detecting whether or not a short has occurred between two data lines among the N data lines, wherein N is an integer of 2 or more.