Display driving device and display system with improved protection against electrostatic discharge
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United States of America Patent
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Aug 4, 2015
Grant Date -
May 16, 2013
app pub date -
Sep 12, 2012
filing date -
Nov 10, 2011
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Abstract
A display driving device a driving unit, an output unit, and an output control unit. The driving unit includes a first buffer and a second buffer generating a first driving voltage and a second driving voltage, respectively. The output unit includes a first output pad and a second output pad to which voltages are respectively applied via first second data driving paths, respectively, and which output the voltages to outside. The output control unit includes a charge share path that connects the first output pad and the second output pad. Each of the first data driving path and the second data driving path includes a first electro-static discharge (ESD) protection element, and the charge share path includes a second ESD protection element that is disposed separately from the first data driving path and the second data driving path.
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