Silicon Works Co., Ltd.

Lx Semicon Co., Ltd.

Yong Sung Ahn

Jung Min Choi

Jeong Hee Lee

Kyung Min Shin

Hyung Seog Oh

Sung Ha Kim

Yong Suk Kim

Jun Tak Jeon

Jeong Hoon Lee

Dae Keun Han

Hyo Joong Kim

Jung Ryeol Park

Jong Hwa Lee

Sun Young Park

Young Suk Son

Kyu Tae Lee

Ji Won Kim

Hyun Ja Cho

Goon Seok Oh

Gyeong Hwan Kim

Yu Na Shin

Jong Soo Lee

Gi Woong Shin

Jae Sik Cho

Ha Rim Choi

Sang Rok Cha

A data driving device and a data processing device may reduce the amount of consumed power by being standing by for data transmission or data reception in a low-power mode.

Data driving device and data processing device operating in low power mode

The present disclosure relates to an offset elimination operation of an internal operational amplifier of a data driving circuit and relates to a technique that applies different offset elimination methods for each position of an operational amplifier.

Data driving circuit and display including the same

A power system for display apparatuses, which may predict in real time the amount of supplied current for displaying an image in a display apparatus, includes an image data analyzer analyzing image data input from the outside to predict a pixel degradation degree of each of pixels included in a display panel and predicting an amount of current supplied to the display panel on the basis of the predicted pixel degradation degree and a power supply supplying the display panel with power corresponding to the predicted amount of supplied current.

Power system for display apparatuses

Disclosed are a source driver for sensing the degree of deterioration in pixels in some regions of a display panel and compensating for the deterioration in the display panel based on the sensed degree, by considering a characteristic in which pixels included in each display panel similarly deteriorate, and a display device including the same. The display device may include a display panel including pixels, a sensing circuit configured to provide sensing data by sensing the degree of deterioration in pixels in at least one first region of the display panel, and a compensation circuit configured to calculate an amount of compensation of each of the pixels in the first region using the sensing data and compensate for the deterioration in the pixels in the first region and pixels in a second region whose degree of deterioration is not sensed, based on the amount of compensation.

Source driver and display device including the same

An embodiment relates to a method of measuring an ambient temperature by using a temperature sensor provided in an integrated circuit (IC) and a measurement error of a temperature sensor may be improved by correcting an output value of a temperature sensor by using a correction value stored in a memory.

Method for measuring temperature in integrated circuit, integrated circuit having temperature sensor, and display device

The present embodiment relates to an oscillator circuit, a semiconductor integrated circuit device and a method for frequency correction of an oscillator circuit, and more particularly, to an oscillator circuit, a semiconductor integrated circuit device and a method for frequency correction of an oscillator circuit capable of stably maintaining an output frequency of a clock signal even when a temperature of the semiconductor integrated circuit device changes.

Oscillator circuit, semiconductor integrated circuit device and method for frequency correction of oscillator circuit

An embodiment may integrate a data driving circuit, a pixel sensing circuit, and a touch sensing circuit into one integrated circuit, thereby simplifying interfaces and wires between circuits and reducing the number of components.

Integrated circuit and timing controller for driving panel

An embodiment relates to a temperature sensor having a correction function and is able to reduce errors in measurement by the temperature sensor by calibrating a correlation between temperature and voltage.

Source driver and display device having temperature sensor

Provided are a display driving device capable of accurately detecting characteristics of pixels of a display panel regardless of an offset of an amplifier, and a display device including the same. The display device includes a display panel including pixels and a display driving device including a sense circuit configured to detect pixel signals from the pixels. The sense circuit includes sense amplifiers configured to provide the first reference voltage to the pixels so that the pixels are programmed using a first reference voltage in a programming mode.

Display driving device and display device including the same

A source driving circuit includes a first source channel configured to output a first source driving signal to a display panel; a second source channel configured to output a second source driving signal to the display panel; a first gamma circuit configured to output first gamma values to the first source channel; and a second gamma circuit configured to output second gamma values to the second source channel. The first gamma circuit may set the first gamma values to values corresponding to red or green depending on a first switching operation of a first demultiplexer of the display panel corresponding to the first source channel. The second gamma circuit may set the second gamma values to values corresponding to blue or green depending on a second switching operation of a second demultiplexer of the display panel corresponding to the second source channel.

Source driving circuit

According to an embodiment, it is possible to efficiently use resources by restoring a clock from an image signal including a clock in image data and using the restored clock in a section in which the image signal is not received.

Integrated circuit for driving panel and display device including the same

A driver integrated circuit (IC) according to one embodiment of the present disclosure includes a first IC, a second IC that is combined with the first IC, a first circuit configured to receive first image data, and generate second image data by correcting the first image data, a second circuit configured to sample the second image data, and a third circuit configured to convert the sampled second image data into a source signal, wherein the first circuit is mounted on the first IC, the second circuit is mounted on one of the first IC and the second IC, and the third circuit is mounted on the second IC.

Driver integrated circuit and display device including the same

A source driving circuit including source channels each of which includes a source amplifier is disclosed. The source amplifier includes an internal amplifier configured to output a first pull-up signal and a first pull-down signal in response to a first gamma signal; an output circuit configured to output a first source driving signal in response to the first pull-up signal and the first pull-down signal; and first and second switch circuits connecting the internal amplifier and the output circuit, and configured to transfer the first pull-up signal and the first pull-down signal corresponding to the first gamma signal or a second pull-up signal and a second pull-down signal corresponding to a second gamma signal of another source channel, to the output circuit.

Growing community of inventors

Daejeon, South Korea

Yong Sung Ahn