Samsung Display Co., Ltd.

Seunghwan Moon

Sang-Soo Kim

Junpyo Lee

Jinpil Kim

Kyunho Kim

Jaesung Bae

Dongwon Park

Byungkil Jeon

Sung-In Kang

Jung-Won Kim

Jaehoon Lee

Nam-Gon Choi

Yun-Jae Kim

Jongmin Shim

In-Jae Hwang

Songyi Han

Joo-Yeon Won

Sun-Koo Kang

Nam-Hee Goo

Min-soo Choi

Bo-Ram Kim

Jin-won Jang

Myoung-Chul Kim

Jin-Taek Hong

Minsoo Choi

Shimho Yi

Gigeun Kim

Hwanwoong Lee

Seung-Wan Kim

Won-hyoung Kang

Seung-wan Kim

YongSoon Lee

Gwangteak Lee

Woojung Jung

Donghwa Shin

Bonggyun Kang

Sangmoon Moh

Yongho Sung

Kwang-Jae Kim

HyunSeok Ko

Hanjin Ryu

Byoungjun Lee

Myungbo Sim

Junghyun An

Jin-Won Jang

Hong Sig Chu

Okkwon Shin

Han-Byul Lim

Won-Hyoung Kang

Sang-Don Bae

A power voltage generating circuit includes an input part, a clock determining part and a plurality of switches. The input part receives a plurality of clock signals and generates a plurality of peak signals corresponding to rising edges of the plurality of clock signals. The clock determining part determines a normal mode and an abnormal mode based on a number of the plurality of peak signals. The switches blocks outputs of the plurality of clock signals in the abnormal mode.

Power voltage generating circuit and display apparatus including the same

A liquid crystal display device includes an upper substrate, a lower substrate including a data line and a gate line insulated from the data line, a liquid crystal layer between the lower substrate and the upper substrate, a current sensing unit which detects a data current based on a data signal applied to the data line so as to detect a change in a liquid crystal capacitance of the liquid crystal layer, a rectifying amplifier which rectifies or amplifies the detected data current so as to generate and output a rectified signal, a pulse generator which generates a sensing pulse by comparing the rectified signal with a reference voltage, and a duty width detector which detects a duty width of the sensing pulse generated by the pulse generator where the reference voltage is set based on a voltage difference between data signals successively applied to the data line.

Temperature detection circuit for display device

A backlight unit includes a light source module including a first connection pin and a second connection pin electrically connected to the first connection pin, a power converter which provides a driving voltage to the light source module, a connector which receives a first enable signal via a first signal line and provides a second enable signal via a second signal line and a driving circuit which controls a generation of the driving voltage from the power converter in response to the second enable signal. When the connector is electrically connected to the first and second connection pins, the first enable signal is transmitted to the first connection pin via the first signal line and the connector, and the second enable signal from the second connection pin is provided to the driving circuit via the connector and the second signal line.

Backlight unit including connector for improved reliability, method of driving the same, and display device including the same

A display apparatus includes a display panel, a gate driving part, and a data driving part. The display panel is configured to display an image, and includes a gate line and a data line. The gate driving part is configured to output a gate signal to the gate line. The data driving part is configured to output a data signal to the data line. A transition time of the data signal is a time when the data signal transitions from a low level to a high level, and the transition time of the data signal increases according to a decrease of a load of the display panel.

Display apparatus and a method of driving the same

A display apparatus includes a timing controller, a common voltage generator, a data driver, and a display panel. The timing controller determines a representative grayscale of each frame based on input image data and generates a common voltage control signal having a first digital value ratio ('DVR') value corresponding to a first frame, a representative grayscale of the first frame being included in a first grayscale range. The common voltage generator generates a first common voltage based on the common voltage control signal. The data driver generates a data voltage based on the input image data. The display panel displays an image corresponding to the first frame based on the data voltage and the first common voltage.

Display apparatus and method of driving the same based on representative grayscale of frame

A method of image processing includes extracting first image information from an input image by analyzing the input image, determining, based on the first image information, whether to utilize a high dynamic range (HDR) function for the input image, setting an image output mode based on a result of the determination, setting a reference tone curve for the input image based on the image output mode, and generating an output image by converting the input image based on the reference tone curve.

Method of image processing and display apparatus performing the same

A display apparatus includes a display panel having fan-out lines, data lines, a first dummy line, and a second dummy line. The fan-out lines are sequentially disposed along a first direction. The data lines are connected to the fan-out lines at first through nodes. The first dummy line is connected to one of the nodes. The second dummy line is connected to another of the nodes. A first data driver is configured to output data voltages to some of the fan-out lines based on a data signal. A second data driver is configured to output voltages to other fan-out lines based on the data signal. A timing controller is configured to compensate the data signal based on a voltage of nodes that the dummy lines are connected to.

Display apparatus and method of driving the same

A liquid crystal display includes a liquid crystal panel including a plurality of gate lines extending in a first direction, a plurality of data lines extending in a second direction crossing the first direction, and a plurality of pixels connected to the gate lines and the data lines, a gate driver configured to apply gate signals to the gate lines, a data driver configured to apply data voltages to the data lines, and a timing controller configured to receive a control signal and image data, to apply a gate control signal to the gate driver, and to apply a data control signal to the data driver, wherein the timing controller is further configured to determine whether to change a present polarity arrangement on a basis of a color ratio of the image data.

Liquid crystal display utilizing a timing controller for changing polarity arrangement and method of driving the same

A display apparatus includes a housing having a pillar shape, a plurality of monitors, and a driving unit received in the housing and providing driving signals to the plurality of monitors. Each of the plurality of monitors displays an image through its front surface and back surface and includes side surfaces connecting the front surface and the back surface. One side surface of the side surfaces of each of the plurality of monitors is coupled to the housing. A thickness of each of the plurality of monitors decreases as a distance from the housing increases.

Display apparatus including a housing having a pillar shape, a plurality of attached monitors, and a central driving unit

A timing controller includes: a compensator to receive an image signal and to output a compensation image signal; a dimming range adjustor to receive a backlight dimming signal and to output a dimming range signal to adjust an active section of the backlight dimming signal; a smoothing processor to output a smoothing image signal to smooth the compensation image signal in response to the dimming range signal; and a data output part to output an image data signal by adding the smoothing image signal to the image signal.

Timing controller and display device including the same

A driving circuit including a shift register is presented, as well as a display device incorporating the driving circuit. The shift register has multiple stages, at least of which includes a first output circuit that generates an output signal O(i) according to a potential at Node Q; a second output circuit that generates a carry signal Cr(i) according to the potential at the Node Q; a controller circuit that controls the potential at the Node Q and the output signal O(i); a first holding circuit that maintains the output signal and the carry signal at low voltage states in response to a Node A reaching a predetermined potential; and a second holding circuit that controls a potential at the Node A, the second holding circuit including a first transistor that lowers the potential at the Node A in response to the carry signal Cr(i).

Driving circuit with improved stability at high-temperature conditions

In a display apparatus and a driving method thereof, a detector determines whether a timing controller is operated in a three-dimensional (3D) mode or a two-dimensional (2D) mode to output a first or second mode signal according to a result of the determination. A compensator compensates for a gamma value of a 3D image to be increased in response to a first mode signal when the 2D mode is converted to the 3D mode and decreases an increased gamma value to a gamma value for a 2D image in response to a second mode signal when the 3D mode is converted to the 2D mode.

A connector is used to transmit a signal from a flexible board to an external device. The connector includes an actuator, a supporter, contact terminals, and an outer cover. The actuator includes a body having a slit opened to a front surface and extended in a longitudinal direction of the slit, and a pivot positioned at opposing longitudinal ends of the body. The slit receives the flexible board inserted from the front surface direction. The actuator is rotated with reference to the pivot. The supporter extends in the longitudinal direction and is adjacent to the front surface of the actuator. The contact terminals extend through the supporter and the body, and protrude into the slit. The actuator receives the flexible board when at a first position, and each contact terminal makes contact with the flexible board when the actuator is at a second position different from the first position.

Connector and display apparatus having the same

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Asan-si, South Korea

Seunghwan Moon