Samsung Electronics Co., Ltd.

Samsung Display Co., Ltd.

Kyoung-Ju Shin

Chong-Chul Chai

Cheol-Woo Park

Mee-Hye Jung

Yoon-Sung Um

Sung-Kyu Hong

Chang-Hun Lee

Young-Chol Yang

Hyun-Wuk Kim

Baek-Woon Lee

Hak-Sun Chang

Jin-Hong Kim

Hee-Seob Kim

Dongwoo Kim

Sooyoung Park

Jang-Soo Kim

Keunwoo Kim

Sung-Hwan Kim

Sung-Jin Hong

Hee-Wook Do

Jong-Lae Kim

Jun-Hyun Park

Seung-hoo Yoo

Yun-Ki Baek

Joonghyun Park

Eun-Ju Kim

Dong-Gyu Kim

Jae-Jin Lyu

Hee-Seop Kim

Seung-Hoon Lee

Jin-Soo Jung

Ji-Sun Kim

Hae-Young Yun

Jun-Pyo Lee

Sang-uk Lim

Hye-Young Ryu

Jong-Ho Son

Joo-Ae Youn

Joon-Hak Oh

Jae-Keun Lim

Yang-Hwa Choi

Mun-San Park

Tadashi Amino

Jong-Hee Kim

Jun-Hyung Souk

Hee-Soon Jeong

Joon-Chul Goh

Joon-Hoo Choi

Jun Hyun Park

Tae-Ho Kim

Jung-Won Kim

Mun-Pyo Hong

Joo-Young Kim

Sang-Il Kim

Kwang-chul Jung

Seung-Soo Baek

Beohm-Rock Choi

Young-Wook Lee

Nam-Seok Roh

Jong-Moo Huh

Shi-Yul Kim

Seong-Yong Hwang

Jin-Hwan Kim

Young-Soo Yoon

Hwa-Sung Woo

Sung-Woon Kim

Su-Hyoung Kang

Jae-Hyoung Youn

Seung-Kyu Park

Kyung-Ho Jung

Jung-taek Kim

Yong-Kuk Yun

Ji-Woong Jeong

Kang-Woo Kim

Hyeong-Cheol Ahn

Ung-Gyu Min

Soo-Wan Yoon

Nam-Deog Kim

Weon-Sik Oh

Sung-hoon Yang

Yeon-Ju Kim

So-Woon Kim

Se-Young Song

Seung-Jun Jeong

Chong-Chul Chae

Jin-Oh Park

Young-Eun Jo

Lu Jian Gang

Seunng-Soo Baek

Yoon-Goo Lee

Beo-Deul Kang

Chong-Chul Chal

A display device includes: pixels to emit light of various intensity in accordance with driving signals; data lines to communicate the driving signals to the pixels; scan lines to communicate scan signals to select at least one of the pixels to receive the driving signals; a first power supply to supply at least one driving voltage to the pixels; and a second power supply including an initial voltage terminal to supply an initial voltage to the pixels. The at least one pixel includes: a driving transistor connected between the first power supply and an anode electrode of an organic light emitting diode, a third transistor including an oxide transistor, the third transistor having a first electrode connected to the initial voltage terminal, a second electrode connected to the anode electrode, and first and second gate electrodes, each of which is connected to one of the scan lines, and a fourth transistor including a poly-silicon transistor, the fourth transistor having a first electrode connected to the first power supply, and a second electrode connected to a second electrode of the driving transistor.

Display device and method for driving the same

A display device includes: pixels to emit light of various intensity in accordance with driving signals; data lines to communicate the driving signals to the pixels; scan lines to communicate scan signals to select at least one of the pixels to receive the driving signal; and a power supply to supply at least one driving voltage to the pixels. The at least one pixel includes: a switching transistor including an oxide transistor, the switching transistor having a first electrode connected to the data line, a second electrode connected to a first node, and first and second gate electrodes, each of which is connected to one of the scan lines, and a driving transistor including a poly-silicon transistor, and the driving transistor being connected between the power supply and an organic light emitting diode.

A display panel includes a gate line, first and second data lines, first and second gate control lines, and first and second pixels. The first pixel includes a double-gate switching element including a gate electrode connected to the gate line, a source electrode connected to the first data line, and another gate electrode connected to the first gate control line. The second pixel includes a double-gate switching element including a gate electrode connected to the gate line, a source electrode connected to the second data line, and a gate electrode connected to the second gate control line. A data voltage having a first polarity is applied to the first data line, another data voltage having a second polarity is applied to the second data line, and first and second gate control voltages are respectively applied to the first and second gate control lines.

Display panel, display apparatus having the same and method of driving the same

A display device includes pixels configured to emit light of various intensity in accordance with driving signals, data lines, scan lines, and a power supply unit configured to supply at least one driving voltage to the pixels. At least one of the pixels may comprise a switching transistor having a first electrode connected to one of the data lines and a second electrode connected to a first node, and a gate electrode connected to one of the scan lines, a driving transistor connected between the power supply unit and an organic light emitting diode, a storage capacitor having a first terminal connected to the first node and a second terminal connected to a gate electrode of the driving transistor, and a first transistor connected between the first node and a first electrode of the driving transistor.

An image processing part includes an edge enhancing part, an artifact detecting part and a compensating part. The edge enhancing part emphasizes an edge portion of an object in input image data. The artifact detecting part detects a corner outlier artifact at an area adjacent to the edge portion of the object. The compensating part compensates the corner outlier artifact. Accordingly, the edge portion of the object may be enhanced and the corner outlier artifact is decreased so that the display quality may be improved.

Image processing part, display apparatus having the same and method of processing an image using the same

An emission control driver includes a plurality of stages configured to output a plurality of emission control signals, respectively. Each stage includes an input circuit for receiving a previous emission control signal from one of previous stages or a vertical start signal, and configured to control a voltage of a first node and a voltage of a second node in response to a first clock signal; a stabilizing circuit for stabilizing the voltage of the first node in response to the voltage of the second node and a second clock signal; a voltage adjusting circuit connected between the second node and a third node, configured for boosting the voltage of the second node, and controlling the boosted voltage of the second node; and an output circuit configured to control an emission control signal in response to the voltage of the first node and a voltage of the third node.

Emission control driver and display device having the same

A display panel driver includes a plurality of stages. An N-th stage of the plurality of stages is configured to output a scan signal and an emission signal synchronized with each other based on a first power voltage, a second power voltage, and at least one clock signal. N is a natural number.

Display panel driver and display apparatus having the same

A gate driving circuit includes: a pull-up controller applying a carry signal of one of previous stages to a first node in response to the carry signal of the one of the previous stages; a pull-up part outputting a clock signal as an N-th gate output signal; a carry part outputting the clock signal as an N-th carry signal; a first pull-down part pulling down the signal at the first node to a second off voltage; a second pull-down part pulling down the N-th gate output signal to a first off voltage; an inverting part generating an inverting signal based on the clock signal and the second off voltage to output the inverting signal to an inverting node; and a reset part outputting a reset signal to the inverting node.

Gate driving circuit and display apparatus including the same

A gate driver includes a plurality of stages outputting a plurality of gate output signals, respectively. Each stage includes a first input circuit applying an input signal to a first node in response to a first clock signal, a second input circuit applying the first clock signal to a second node in response to a voltage of the first node, a first output circuit controlling a gate output signal to a first logic level in response to the voltage of the first node, a second output circuit controlling the gate output signal to a second logic level in response to a voltage of the second node, and a leakage current blocking circuit applying a first power voltage corresponding to the first logic level to the first input circuit in response to the voltage of the first node.

Gate driver and display device having the same

A liquid crystal display panel, including a unit pixel including a first substrate having a first alignment film, a second substrate having a second alignment film spaced apart from and facing the first alignment film, and a liquid crystal layer interposed between the first alignment film and the second alignment film; and first and second adjacent domains, each of which includes a domain boundary region defining part of an area between the adjacent domains, and a normal-luminance region adjacent to the domain boundary region, wherein pretilt angles of liquid crystal molecules near the first alignment film in the domain boundary regions are greater than pretilt angles of liquid crystal molecules near the first alignment film in the normal-luminance regions.

Liquid crystal display panel with multi-domain unit pixels and an optical mask for manufacturing the same

A display apparatus includes a plurality of gate lines, a plurality of data lines, and a plurality of pixels. Each pixel of the plurality of pixels comprises a switching device coupled to a corresponding gate line of the plurality of gate lines and to a corresponding data line of the plurality of data lines, a micro-electro-mechanical system coupled to an output electrode of the switching device, and a control device coupled to the output electrode of the switching device. The control device comprises a storage capacitor coupled to the output electrode of the switching device and a coupling capacitor coupled to the output electrode of the switching device, the storage capacitor connected in parallel with the coupling capacitor. The output electrode of the switching device, the storage capacitor, the coupling capacitor, and a first electrode of the micro-electro-mechanical system are all directly connected to each other.

Display apparatus having a micro-electro-mechanical system

A display panel includes a display area including a gate line and a data line, a gate driver integrated on a substrate and connected to one end of the gate line, the gate driver including a plurality of a stage, a signal line connected to the stages; and a blocking member disposed on the signal line and overlapped with the signal line, the blocking member including a plurality of an opening.

Display panel

A liquid crystal display (LCD) including a liquid crystal panel, and a gate driver which applies a gate signal having a driving frequency equal to or greater than 100 Hz to the liquid crystal panel. The liquid crystal panel comprises a first display panel, a second display panel facing the first display panel, and a liquid crystal composition disposed between the first display panel and the second display panel and includes liquid crystals.

Liquid crystal display

Growing community of inventors

Hwaseong-si, South Korea

Kyoung-Ju Shin