Lg Electronics Inc.

Baekjun Kim

Daewoon Hong

Jeongtak Oh

A display device and an operating method thereof are disclosed. A display device, according to at least one of various embodiments of the present disclosure, may comprise a display panel including a plurality of light sources and a driver IC connected to the plurality of light sources; and a control circuit that supplies, to the driver IC, power voltage and a data signal through at least one power supply line and data line, respectively, according to an input signal, wherein the control circuit may apply a reference voltage to the at least one power supply line to activate all of the light sources in a row connected through the corresponding power supply line to which the reference voltage has been applied, and may control each of the activated light sources to emit light according to data inputted through each data line in units of columns.

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Seoul, South Korea

Baekjun Kim