Driving device and dislay device including the same

Abstract

A driving voltage circuit for a liquid crystal display and a liquid crystal display using the driving voltage circuit. A liquid crystal display according to the present invention includes a liquid crystal display panel for displaying an image and a driving voltage generating circuit connected to the display panel, wherein the driving voltage generating circuit includes a DC-DC converter for converting an input voltage level of a power input terminal to drive the liquid crystal display panel and outputting it as a liquid crystal driving voltage, a power line for connecting the power input terminal and the DC-DC converter, a first diode connected to a first node of the power line, a liquid crystal driving voltage terminal connected to a first output terminal of the DC-DC converter, and a second diode connected to the first diode and the liquid crystal driving voltage terminal, wherein the power line includes a second node connected to a ground electrode between the first diode and the second diode.

Dependencies are inferred from the claim text.