Samsung Electronics Co., Ltd.

Samsung Display Co., Ltd.

Hong-Woo Lee

Sung-Man Kim

Jong-Hwan Lee

Bong-Jun Lee

Myung-Koo Hur

Beom-jun Kim

Jong-Hyuk Lee

Hyeon-Hwan Kim

Jin-Suk Seo

Jong-Oh Kim

Byeong-Jae Ahn

Hyeong-Jun Park

Hee-Joon Kim

Beomjun Kim

Shin-Tack Kang

Yeon-Kyu Moon

Sun-Kyu Joo

Jeong-Il Kim

Gyu-Tae Kim

Yong Woo Lee

Yu-Jin Kim

Kyung-Wook Kim

Hyuk-Jin Kim

Sang-Moon Moh

Hye-Rhee Han

Jae-min Shin

Eung-Gyu Lee

Byung-Su Oh

Chang-Ho Lee

Jong-Woong Chang

Kye-Hun Lee

Back-Won Lee

Jong Hwan Lee

Jonghwan Lee

Sang-Youn Han

Sang-Jin Jeon

Yeo-Geon Yoon

Kang-Woo Kim

Sang-Yong No

Sungman Kim

Noboru Takeuchi

Masami Igawa

Jae Min Seong

Min Soo Kang

Ju Hyeon Baek

YoonHo Kim

Seongyeol Syn

Sun-Hyung Kim

Yu-Jun Kim

Jae-seung Kim

Young-Geol Song

Jihee Yoon

Kyoung-Jun Jang

Jong-Huan Lee

Beom-Jun Kim

Myung-Goo Hur

Sung-Mau Kim

Each stage of a gate driver includes a controlling part which increases an electric potential of a boosting line in response to a carry signal of a previous stage and decreases the electric potential of the boosting line in response to the carry signal of a next stage, a first output part which turns on in response to the increased electric potential of the boosting line and receiving a clock signal to output a gate signal of a present stage, and a second output part which turns on in response to the increased electric potential of the boosting line and receiving the clock signal to output the carry signal of the present stage. The boosting line of the present stage is disposed adjacent to a gate line which is connected to one of next stages following the present stage.

Gate driver and display apparatus having the same

A display apparatus includes: a plurality of pixel blocks, each pixel block of the plurality of pixel blocks including a first pixel electrode connected to a first switching element and a second pixel electrode connected to a second switching element; gate lines which extend along a first direction and include a first gate line connected to the first switching element and a second gate line connected to the second switching element; and data lines which extend along a second direction intersecting the first direction. A gate voltage is applied to the first gate line before the second gate line, and the first pixel electrode of each of the pixel blocks displays a same color.

Display apparatus

A display device includes a display panel having a plurality of pixels respectively connected to a plurality of gate lines and a plurality of data lines, a gate driving circuit that outputs a plurality of gate signals to the plurality of gate lines, and a data driving circuit configured that outputs a plurality of data signals for driving the plurality of data lines. Each of the plurality of pixels includes a first sub-pixel configured to receive a corresponding data signal among the plurality of data signals in response to a first gate signal among the plurality of gate signals, and a second sub-pixel configured to receive a corresponding data signal among the plurality of data signals in response to the first gate signal, and reduce a voltage of the received data signal in response to a second gate signal among the plurality of gate signals. The second gate signal is a signal delayed by a 2&#xd7;d&#xd7;H time relative to the first gate signal (where each of d and H is a positive integer, H is a horizontal period, and d&#xd7;H is a pulse width of first and second gate signals).

Display device using sub-pixels to increase viewing angle

Display apparatus having reduced vertical flickering lines

A liquid crystal display ('LCD') device includes a display panel, a data driving part, and at least one first light-blocking part and at least one second light-blocking part. The display panel includes a plurality of pixels and a plurality of data lines. The pixels are arranged in a column direction and a row direction. At least one of the data lines extends in a zigzag shape along the column direction to be discontinuously disposed between two adjacent columns of the pixels. The at least one data line is electrically connected to two of the pixels that are adjacent in the row direction. The second light-blocking part is thinner than the first light-blocking part. The first light-blocking part and the second light-blocking are repeatedly disposed on an area between two adjacent columns of the pixels. The data driving part applies a data signal to the data lines.

Liquid crystal display device

A display device includes an insulation substrate; a plurality of gate lines arranged on the insulation substrate in a first direction and including first group of gate lines and second group of gate lines; a plurality of data lines insulated from and crossing the plurality of gate lines; a gate driver applying gate-on voltages to the plurality of gate lines; and a data driver applying data voltages to the plurality of data lines, wherein at least one of the first group of gate lines is arranged between the second group of gate lines and the gate driver applies the gate-on voltages to the first group of gate lines during the first half of a frame and the gate-on voltages to the second group of gate lines during the second half of the frame.

Display device including pixels and method for driving the same

An array substrate of an LCD having: a gate line formed along a first direction; a data line formed along a second direction crossing the first direction; first and second pixel electrodes spaced apart from each other; a thin-film transistor includes a gate electrode connected to the gate line; a source electrode connected to the data line and partially overlapping the second pixel electrode; and a drain electrode connected to the first pixel electrode spaced apart from the second pixel electrode along the second direction. The source electrode or the gate electrode overlaps the second pixel electrode but the drain electrode does not overlap the second pixel electrode. Electrical coupling between the first and second pixel electrodes are avoided with such configuration.

Array substrate and display panel having the same

A gate driving circuit includes a plurality of stages which are connected to each other one after another and each stage of the plurality of stages outputs a gate voltage to a corresponding gate line of a plurality of gate lines in response to at least one clock signal. Each stage of the plurality of stages includes; a voltage output part which outputs the gate voltage, an output driving part which drives the voltage output part, a holding part which holds the gate line at an off-voltage, and a discharge part arranged at a first end of the gate line to discharge the gate line to the off-voltage in response to the gate voltage output from the voltage output part.

Gate driving circuit and display apparatus having the same

A gate driving circuit and a display device having the same, a pull-up unit pulls up a current gate signal by using a first clock signal during a first period of one frame. A pull-up driver coupled to the pull-up unit receives a carry signal from one of the previous stages to turn on the pull-up unit. A pull-up unit receives a gate signal from one of the next stages, discharges the current gate signal to an off voltage level, and turns off the pull-up unit. A holder holds the current gate signal at the voltage level. An inverter turns on/off the holder in response to a first clock signal. A ripple preventer has a source and a gate coupled in common to an output terminal of the pull-up unit and a drain coupled to an input terminal of the inverter, and includes a ripple preventing diode for preventing a ripple from being applied to the inverter.

Gate driving circuit having improved tolerance to gate voltage ripple and display device having the same

A touch sensible display device includes a display panel. The display panel includes a plurality of pixels, a plurality of image data lines transferring image data signals to the plurality of pixels and each positioned between two neighboring pixels, a plurality of image scanning lines transferring image scanning signals to the plurality of pixels, a plurality of first sense data lines transferring first sense data signals and each positioned between two neighboring pixels without the image data line interposed therebetween, and a plurality of first sensing units connected with the plurality of first sense data lines and sensing a touch to the display panel.

Touch sensible display device having reduced number of image data lines

An n-th stage (wherein, n is an integer) of the stages of a gate driving circuit includes a pull-up part, a first variable mode part and a second variable mode part. At least one of the first and second variable mode parts includes a variable element. The variable element comprises a first thin-film transistor (TFT) turned on in response to a first level voltage of the first or second direction signal, a second TFT applying the first or second direction signal to a control part of the pull-up part in response to an output signal of a previous stage or an output signal of a next stage, and a third TFT connected to the second TFT through the first TFT.

Gate drive circuit and display apparatus having the same

A pull-up driving part maintains a signal of a first node at a high level by receiving a turn-on voltage in response to one of a previous stage or a vertical start signal. A pull-up part outputs a clock signal through an output terminal in response to the signal of the first node. A first holding part maintains a signal of a second node at a high level or a low level when the signal of the first node is respectively low or high. A second holding part maintains the signal of the first node and a signal of the output terminal at a ground voltage in response to the signal of the second node or a delayed and inverted clock signal.

Method of driving a gate line and gate drive circuit for performing the method

A display substrate includes a first switching element, a second switching element, a first pixel electrode, a second pixel electrode, a main storage electrode and a sub-storage electrode. The first switching element is connected to a data line and a first gate line. The second switching element is connected to the data line and a second gate line adjacent to the first gate line. The first pixel electrode is electrically connected to the first switching element. The second pixel electrode is electrically connected to the second switching element. The main storage electrode is disposed in an area between the first pixel electrode and the second electrode to overlap with first ends of the first and second pixel electrodes. The sub-storage electrode is spaced apart from the first and second gate lines.

Display substrate, method of manufacturing the same and display panel having the display substrate

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Cheonan-si, South Korea

Hong-Woo Lee