Magnachip Semiconductor, Inc.

Korea Advanced Institute of Science and Technology

Haechitech Corporation

Sang Kyung Kim

Gil Sung Roh

Young-Suk Son

Yong-Joon Jeon

Jae Won Kim

Gyu-Hyeong Cho

Gyu Hyeong Cho

Jung Hoon Sul

Dong Ho Kim

Dae Young Yoo

Gun Ho Lee

Jin Yong Jeon

Jin Seok Yang

Gun-ho Lee

Su Hyun Kim

Jin-yong Jeon

Ji Hoon Ha

A device for driving a display panel includes a display driving integrated circuit (IC) configured to transmit image data to the display panel, a display control IC configured to receive compressed image data from a host and including a timing controller configured to control the display driving IC, and a non-volatile memory configured to transmit data to and receive data from the display control IC, and configured to store driving parameters necessary for operation of the display driving IC.

Chip solution device for driving display panel comprising display driving integrated circuit (IC) and display control IC

A transmission driver includes a pulse generator and a current mode logic driver. The pulse generator is configured to generate and output a first pulse signal by synchronizing at a falling edge time point of a first input signal, and generate and output a second pulse signal by synchronizing at a falling edge time point of a second input signal. The current mode logic driver is configured to output a pre-emphasis signal to which pre-emphasis technique has been applied by changing a first load resistance value and a second load resistance value based on the first pulse signal and the second pulse signal, respectively.

Current mode logic driver and transmission driver including the same

A reception device that communicates with a transmission device is provided. The reception device includes a reception circuit configured to receive a clock signal, a first data signal, and a second data signal from the transmission device, a signal synchronization circuit configured to adjust the phases of the first data signal and the second data signal, and generate a first synchronization data signal and a second synchronization data signal, a signal distribution circuit configured to adjust the phase of the clock signal and generate a first distributed clock signal and a second distributed clock signal, and adjust the phases of the first synchronization data signal and the second synchronization data signal and generate a first distributed data signal and a second distributed data signal, and an output circuit configured to process the first distributed data signal and the second distributed data signal.

Reception device

A reception apparatus communicating with a transmission apparatus with a clock lane and a data lane. The reception apparatus comprises a clock lane control circuit configured to determine the operation mode of the clock lane based on a clock signal transmitted through the clock lane, and performing an operation based on the determined operation mode of the clock lane, and a data lane control circuit configured to determine the operation mode of the data lane based on a data signal transmitted from the transmission apparatus, and performing an operation based on the determined operation mode of the data lane, and the clock lane control circuit is configured to set the operation mode of the clock lane to a high-speed mode, when the operation mode of the data lane is switched from a low-power mode to the high-speed mode.

Reception apparatus with clock failure recovery and transmission system including the same

According to one embodiment, a physical quantity measuring apparatus includes a signal measurer configured to include sensors configured to measure component values of two axes from among component values of three axes including an X(Hx), a Y(Hy) and a Z(Hz) measured component value of a physical quantity to be measured, a sensor controller configured to select one from among the sensors to be controlled to output a measured value from the selected sensor, an A/D transformer configured to transform an outputted signal selected by the sensor control unit into a digital signal, and a signal processor configured to receive the digital signal from the A/D transformer and to combine the received digital signal with other received digital signals to calculate X, Y and Z component values of the physical quantity.

Physical quantity measuring apparatus and signal processing method thereof

An active matrix organic light emitting diode AMOLED driving circuit using current feedback that ensures the uniformity of brightness in pixels of a flat panel display and shortens the time required to input accurate current to respective pixels in the driving circuit. The prevent invention provides an AMOLED driving circuit using current feedback, comprising: a current digital-to-analog converter outputting a current corresponding to input digital data; a first differential amplifier connected to the current digital-to-analog converter and controlling the input data current and a driving current of a driving transistor of a pixel circuit to be identical to each other; a current mirror mirroring driving current of an organic light emitting diode of the pixel circuit to an input side of the first differential amplifier; and a second differential amplifier coupled to the current mirror and controlling charge and discharge speeds of parasitic capacitance of the pixel circuit.

Active matrix OLED driving circuit using current feedback

A digital-to-analog converter comprises a current supplier, a current divider dividing current supplied from the current supplier into certain amounts, an inverter outputting inverted signals of input signals and non-inverted signals, a switch controlling a flow of the current divided into the certain amounts by the current divider according to the inverted signals and the non-inverted signals, and a current output block adding up the current divided into the certain amounts according to the non-inverted signals to output an analog signal. The digital-to-analog converter can be implemented on a small chip area with desired resolution.

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Daejeon, South Korea

Sang Kyung Kim