Lx Semicon Co., Ltd.

Silicon Works Co., Ltd.

Jung Bae Yun

Yong Jung Kwon

Jeung Hie Choi

Ho Sung Hong

Seung Hwan Ji

Min Young Jeong

Ju Young Shin

Sang Min Lee

Gi Baek Choi

Jong Hwi Park

Dong Ju Kim

Ye Ji Lee

Jae Uk Jeon

Byung Seob Song

Jeong Hoon Choi

Man Jeong Ko

Kyung Jik Min

Won Hee Kim

Hyun Ho Cho

Hae Won Lee

Su Hun Yang

Jun Young Shin

Ji Hyun Hwang

The present embodiment relates to a technology for driving a display device, and provides a technology in which a pixel driving device determines whether or not an overcurrent flows through a driving voltage line, and, if it is determined that an overcurrent flows therethrough, controls pixel data or an analog voltage output to a pixel so as to reduce a driving current.

Pixel driving circuit for display panel

The present disclosure relates to a pixel sensing circuit in which a test is performed only on selected specific channels among channels of the pixel sensing circuit and the total test time of the pixel sensing circuit and data throughput for the test may be reduced.

Pixel sensing circuit and integrated circuit

An embodiment provides a latch circuit which outputs, to a digital analog converter (DAC), a digital signal including grayscale data, the latch circuit including a first latch configured to store the digital signal and a second latch configured to output the digital signal by controlling first timing at which a level of a first signal included in the digital signal becomes an enable level, based on a center grayscale. The grayscale data includes first grayscale data and second grayscale data.

Latch circuit for reducing noise based on center grayscale and data driver including the same

Provided a source driver integrated circuit (IC) and a display driving device eliminating an existing input pad and internal wiring of a source driver integrated circuit (IC) for receiving a sensing reference voltage from an external voltage source by allowing the sensing reference voltage for initializing pixels during sensing of the pixels to be generated by an internal voltage source, rather than the external voltage source.

Source driver integrated circuit and display driving device

Provided is a technology capable of consistently and stably forming a slope of a gate pulse modulation waveform by discharging a gate line by a predetermined current by using a regulator and the like in gate pulse modulation.

Gate driving device for driving display panel

The present disclosure provides a technology for converting, into digital data, a sensing signal sensed from each pixel of a display panel and compensating for differences between LED elements.

Integrated circuit for driving pixel of display panel and method for processing driving signal of display panel in the integrated circuit

The present disclosure relates to a pixel sensing circuit which extends an operation section of an integrator by using an additional signal and allows securing a time required for a stable output of a sensing voltage.

Pixel sensing circuit and display driver integrated circuit

The present disclosure relates to a data transmission and reception method of a data driving device and a data processing device as well as a data transmission and reception system, and more particularly, to a method and a system in which the data driving device receives an initial configuration value from the data processing device, stores the initial configuration value as a configuration restoration value, and rapidly restore an environment for a high-speed communication by using the stored configuration restoration value when a link between the data processing device and the data driving device is lost so as to reduce a time for restoration.

Data transmission/reception system and data transmission/reception method of data driving device and data processing device

A data driving integrated circuit of the present embodiment may include a digital to analog converter configured to change a digital signal into an analog signal and an amplifier configured to receive the analog signal through an input terminal and output a data voltage to a pixel connected to a data line, wherein the amplifier may receive, as feedback, one of a plurality of output signals from a plurality of output terminals.

Data driving integrated circuit and method of driving the same

The present disclosure relates to a data drive circuit capable of increasing clock and data recovery stability by generating a clock synchronized with input data, a clock recovery method thereof, and a display drive device having the same, and the data drive circuit according to an aspect includes a receiver including a clock and data recovery part configured to recover a test data pattern from input data using an internal clock, and a data comparator configured to compare the recovered test data pattern with a predetermined reference data pattern to generate a control signal according to a degree of asynchronicity between the recovered test data pattern and the reference data pattern, wherein the clock and data recovery part recovers a clock synchronized with the input data according to the control signal, and recovers control information and image data from the input data using the recovered clock.

Data drive circuit, clock recovery method of the same, and display drive device having the same

Disclosed are a device and method for measuring an organic light emitting diode, which measures an amount of energy for compensating for a burn-in of an organic light emitting diode, by sensing a charged voltage of a sensing line connected to the organic light emitting diode. The device for measuring an organic light emitting diode includes an external current source, and is configured to measure an amount of energy for compensating for a burn-in, by sensing a charged voltage of a parasitic capacitor of a sensing line.

Device and method for measuring organic light emitting diode

The present embodiment relates to a data processing device and a display device and, more specifically, to data processing device and a display device for selectively applying an image quality improvement function in consideration of the characteristics depending on the positions on a display panel.

Data processing device and display device

Disclosed are a source driver capable of achieving high speed and high resolution and a display driving circuit including the same. The source driver may include: a first channel group and a second channel group configured to output source driving signals; a first gradation voltage divider configured to generate first gradation voltages using gamma reference voltages and provide the first gradation voltages to the first channel group; and a second gradation voltage divider configured to generate second gradation voltages having the same level as the first gradation voltages using the gamma reference voltages, and provide the second gradation voltages to the second channel group. The first and second gradation voltage dividers are connected to a gamma reference voltage generator configured to provide the gamma reference voltages, and receive the gamma reference voltages having the same voltage range from the gamma reference voltage generator.

Growing community of inventors

Daejeon, South Korea

Jung Bae Yun