Samsung Display Co., Ltd.

Samsung Electronics Co., Ltd.

Yong-Jun Choi

Jae-won Jeong

Bong-Im Park

Bong-Ju Jun

Yun-Jae Kim

Jae-Suk Choi

Po-Yun Park

Min Joo Lee

Jung Hwan Cho

Dong-Beom Cho

Woo-Chul Kim

Jong-Hyon Park

Woo-jin Jung

Nam-Gon Choi

Young-Hoo Kim

Kang-Hyun Kim

Seung Hwan Moon

Byung-Kil Jeon

Woo-Young Lee

Tae-Hong Kim

In-Gi Kim

Jin-Soo Kim

Jin-Woo Lee

Hoi-Sik Moon

Kwan-Young Oh

Jae Wan Park

Ji-Hoon Cha

Myeong-Su Kim

Dong-Gyun Ra

Seung-Min Shin

Young-Su Han

Sung-Hyun Park

Hyun Seok Ko

Youn Jin Jung

Seung-Ho Baek

Hyo-San Lee

Jung-Hwan Cho

Jin Soo Kim

Sang Su Han

Jae-Wan Park

Seok-Hoon Kim

Joo Seok Yeom

Kyoung-hwan Kim

Il-Sang Lee

Jae Min Ha

Kwan-young Oh

Sang-won Bae

Myeong Su Kim

A dry cleaning apparatus includes a chamber, a substrate support supporting a substrate within the chamber, a shower head arranged in an upper portion of the chamber to supply a dry cleaning gas toward the substrate, the shower head including an optical window transmitting a laser light therethrough toward the substrate support, a plasma generator generating plasma from the dry cleaning gas, and a laser irradiator irradiating the laser light on the substrate through the optical window and the plasma to heat the substrate.

Dry cleaning apparatus and dry cleaning method

A chemical liquid supply apparatus includes a nozzle unit including a nozzle arm and an injection nozzle mounted in an end of the nozzle arm, a chemical liquid supply unit including a first chemical liquid tank accommodating a first chemical liquid and a second chemical liquid tank accommodating a second chemical liquid, and supplying the first chemical liquid and the second chemical liquid to the nozzle unit, and a mixer unit provided in the nozzle unit and discharging a process fluid by mixing the first chemical liquid and the second chemical liquid, wherein the mixer unit includes an in-line mixer mixing the first chemical liquid and the second chemical liquid that are continually injected from the chemical liquid supply unit, and a mixer pipe extending from the in-line mixer to the injection nozzle.

Chemical liquid supply apparatus and semiconductor processing apparatus having the same

The present invention provides a display device with reduced power consumption and that reduces changes in luminance, and perceptibility of flicker, and a driving method thereof. A display device according to an exemplary embodiment comprises: a display panel configured to display a still image and a motion picture; a signal controller configured to control signals for driving the display panel; and a graphics processing unit configured to transmit input image data to the signal controller, wherein the signal controller comprises a frame memory configured to store the input image data, and the display panel is driven at a first frequency when the motion picture is displayed and the display panel is driven at a second frequency that is lower than the first frequency when the still image is displayed.

Display device and driving method thereof

A method of driving a display panel includes generating compensated grayscale data by increasing grayscale data corresponding to an N-th gate line of a plurality of gate lines of the display panel, where N is a natural number, generating a data voltage based on the compensated grayscale data, outputting the data voltage to the display panel including a plurality of pixel electrodes and a plurality of data lines, where each of the plurality of data lines is alternately connected to the plurality of pixel electrodes in a first pixel column and the plurality of pixel electrodes in a second pixel column, generating a storage voltage having a first level and a second level, where the second level is lower than the first level, and applying the storage voltage to the display panel.

Method of driving display panel and display apparatus for performing the same

A method to drive a display device includes: transmitting at least one data voltage to one or more of a plurality of data lines, scanning one or more of a plurality of gate lines to enable transmission of a gate signal in association with a first frame of a first hold section of a first still image section associated with display of a still image, and scanning one or more of the plurality of gate lines to enable transmission of the gate signal every frame of a first refresh section. The first still image section comprises the first refresh section.

A display device includes a display panel for displaying a still image and for displaying a motion picture. The display panel includes a gate line, a data line, a storage electrode line, a first switching element connected to the gate line and the date line, a storage connected to the switching element and the storage electrode line. The display device further includes a signal controller for providing controlling signals to drive the display panel. The display panel is driven at a first frequency when the motion picture is displayed. The display panel is driven at a second frequency lower than the first frequency when the still image is displayed. When the display panel is driven at the second frequency, a common voltage inputted to the storage electrode line changes.

Display device and method for driving the display device

Provided are an image signal compensation apparatus and a liquid crystal display (LCD) including the same. The image signal compensation apparatus includes a lookup table (LUT) and an image signal compensation unit. The LUT includes reference data that corresponds to each combination of first and second reference gray levels and is arranged in a matrix. The image signal compensation unit receives first and second image signals, receives reference data corresponding to the first and second image signals from the LUT, and compensates the second image signal using the reference data. The reference data includes diagonal reference data located on a diagonal line in the matrix, and at least one diagonal reference data from among the diagonal reference data has a different value from a corresponding combination of the first and second reference gray levels.

Image signal compensation apparatus and liquid crystal display including the same

A display device includes: a display panel configured to display an image; and a signal controller configured to control signals to drive the display panel. The signal controller includes: an image data converter configured to convert image data of 'm' bits into image data of 'n' bits; a gray voltage generator configured to generate a gray voltage corresponding to the image data of &#x201c;n&#x201d; bits; a control signal generator configured to generate a gate control signal; and a luminance change controller configured to control a luminance change period of an image displayed via the display panel to be greater than or equal to one second.

Display device

A display device includes a display panel having gate lines and data lines, a signal controller driving the display panel, a graphic processing unit transmitting input image data to the signal controller, a gate driver driving the gate lines, and a data driver driving the data lines. The display panel is driven at a first frequency when displaying a moving image and driven at a lower frequency when displaying a still image. The signal controller includes a frame memory storing the input image data, a calculator calculating a representative value of image data stored in the frame memory, a line memory storing the representative value, and a kick-back corrector generating auxiliary image data by correcting the representative value according to a kick-back voltage. The data driver applies an auxiliary voltage corresponding to the auxiliary image data to the data lines in a vertical blank period when displaying the still image.

The present invention relates to a display device and a driving method thereof. A display device according to exemplary embodiments of the present invention includes: a signal controller to process an input image signal and an input control signal to control output of a digital image signal; a gray voltage generator to generate a gray reference voltage; and a data driver to generate gray voltages based on the gray reference voltage from the gray voltage generator, to receive the digital image signal, and to output a portion selected from the generated gray voltages as a data voltage, wherein the gray reference voltage includes a first gray reference voltage for the input image signal and a second gray reference voltage for an insertion gray, and the gray voltage generator generates one of the first gray reference voltage or the second gray reference voltage according to the selection signal included in the control signal to be provided to the data driver.

A display device includes a display panel that includes a first pixel and a second pixel, the first pixel being associated with a positive pixel voltage relative to a data voltage and being associated with a first leakage current, the second pixel being associated with a negative pixel voltage relative to the data voltage and being associated with a second leakage current. The display device further includes a gate driver for providing a first gate-off voltage having a first value to at least one of the first pixel and the second pixel, the first value being in a range determined based on an equality-enabling value, wherein a value of the first leakage current is equal to a value of the second leakage current if the first gate-off voltage having the equality-enabling value is provided to the at least one of the first pixel and the second pixel.

Display device and related method

A method for generating data for driving a display panel is provided in which first compensation data of (N+k) bits, corresponding to grayscale data of N bits, is generated, wherein values of N and k are natural numbers. A first gamma curve is applied to the first compensation data of (N+k) bits. Second compensation data of (N+k) bits, corresponding to the grayscale data of N bits, is generated. A second gamma curve is applied to the second compensation data of (N+k) bits. The first compensation data or the second compensation data are selectively output and converted into analog data signals. The analog data signals are output to a data line. Accordingly, the first compensation data and second compensation data includes a multidomain structure which improves display quality. A data driving circuit and a display device including the data driving circuit for performing the method are also provided.

Method for generating data for driving a display panel, data driving circuit for performing the same and display device having the data driving circuit

The present invention relates to a display device capable of reducing power consumption and preventing flicker, as well as a driving method thereof. An exemplary display device includes: a display panel configured for display of a still image and a motion picture; a signal controller programmed to transmit control signals for driving the display panel; and a graphic processing unit transmitting input image data to the signal controller. The signal controller includes a frame memory storing the input image data, and the display panel is driven at a first frequency when the motion picture is displayed and alternatingly driven at the first frequency and a second frequency when the still image is displayed, the second frequency being lower than the first frequency.

Growing community of inventors

Asan-si, South Korea

Yong-Jun Choi