Magnachip Semiconductor, Inc.

Kwon-Young Oh

Ki-Seok Cho

Chang-Hee Shin

Tae-Kyoung Kang

Jong-Hyuk Kwon

A display driver IC with a built-in memory device having a one-time programmable function is provided. The memory device includes: a cell array comprising a plurality of one-time programmable unit cells and configured to receive a writing voltage generated from an internal voltage generating unit to operate upon writing operation; a detecting unit configured to detect a change of the writing voltage; and a controlling unit configured to control the internal voltage generating unit and the unit cells according to an output signal of the detecting unit.

Memory device with one-time programmable function, and display driver IC and display device with the same

A discharge circuit of a device including a drive circuit operating by an inputted negative voltage includes: a discharge unit connected between a first input terminal receiving the negative voltage and a second input terminal receiving a ground voltage, and configured to discharge the negative voltage to the ground voltage of the second input terminal in response to a control signal; and a control unit connected between the first input terminal and a third input terminal receiving an operation voltage corresponding to a normal operation mode and an abnormal operation mode of the drive circuit, and configured to generate the control signal in response to an operation signal for determining an operation state and a non-operation state in the normal operation mode of the drive circuit.

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Chungcheongbuk-do, South Korea

Kwon-Young Oh