Samsung Display Co., Ltd.

Samsung Electronics Co., Ltd.

Industry-university Cooperation Foundation Hanyang University

Chong-Chul Chai

Kyoung-Ju Shin

Mee-Hye Jung

Joon-Chul Goh

Kwang-chul Jung

Cheol-Woo Park

Young-Soo Yoon

Ji-Sun Kim

Yeong-Keun Kwon

Jae-Keun Lim

Young-Wan Seo

Soo-Wan Yoon

Joo-Ae Youn

Oh-Kyong Kwon

Jong-Hee Kim

Jae-Jin Lyu

Joon-Hoo Choi

Ji-Won Sohn

Bo-Yong Chung

Hee-Seop Kim

Hwa-Sung Woo

Joon-Hak Oh

An-Su Lee

Jun-Hyun Park

Nam-Seok Roh

Jin-Hong Kim

Yong-Koo Her

Beom-Rak Choi

Kang-Moon Jo

Jun-Hyung Souk

Mun-Pyo Hong

In-Jae Hwang

Kyong-Ju Shin

Sung-hoon Yang

Nack-Hyeon Keum

Jin-Koo Chung

Chang-Oh Jeong

Cheol Kyu Shin

Sang-Il Kim

Shi-Yul Kim

Joo-Nyung Jang

Sung-Woon Kim

Sung-Jin Hong

So-Woon Kim

Yong-Woo Lee

Beohm-Rock Choi

Byeong-Beom Kim

Young-Gu Kim

Yang-Ho Bae

Pil-Sang Yun

Soo-wan Yoon

Won-Kie Chang

Sung-Jin Kim

Baek-Woon Lee

Sang-Gab Kim

Young-Chol Yang

Hi-Kuk Lee

Woo-Jae Lee

Dong-Chul Shin

Yong-Hwan Shin

Mu-Kyung Jeon

Se-Hyoung Cho

Hyang-Yul Kim

Soo-Jin Kim

Sang-Woo Whangbo

Yeon-Ju Kim

Honglong Ning

Sung-Hoon Kim

Chang-Hun Lee

Jang-Soo Kim

Je-Hun Lee

Woo-Geun Lee

Young-Wook Lee

Seong-Young Lee

Jin-Ho Ju

Bong Hyun You

Min Hyuck Kang

Jae-Byung Park

Cheol-Gon Lee

Soo-Guy Rho

Hui-Won Yang

Jean-Ho Song

Eun-Guk Lee

Min-Jae Jeong

Jung-In Park

Kyung-Hoon Chung

Nak-Cho Choi

Woo-Seok Jeon

Jin-Oh Kwag

Tae-Hyung Hwang

Seong-Sik Shin

Wan-Shick Hong

Kwang-Chul Jung

Si Hyun Ahn

Jeong-Ye Choi

Mi-Seon Seo

Gyung-Soon Park

Ji-Hong Park

Young-Joon Cho

Il-Pyung Lee

A display apparatus includes a plurality of pixels. A pixel includes a first capacitor connected between a first voltage line receiving a first driving signal and a first node, a first transistor comprising a control electrode connected to the first node, a first electrode connected to a second voltage line receiving a first power source signal and a second electrode connected to a second node, an organic light emitting diode comprising an anode electrode connected to the second node and a cathode electrode receiving a second power source signal, a second capacitor connected between an m-th data line and the second node (wherein, 'm' is a natural number) and a second transistor comprising a control electrode connected to an n-th scan line (wherein, ‘n’ is a natural number), a first electrode connected to the first node and a second electrode connected to the second node.

Display apparatus having pixel including three transistors and two capacitors, and method of driving the same

A display apparatus includes a base substrate including a display region and a peripheral region that is a non-display region surrounding the display region, a plurality of data lines disposed in the display region on the base substrate and extending to the peripheral region, a bypass data line disposed in the display region and the peripheral region on the base substrate and electrically connected to at least one of the data lines, and a dummy pattern spaced apart from the bypass data line and disposed on a same layer as the bypass data line.

Display apparatus having an improved display quality and a reduced peripheral (non-display) region for use in electronic device having a bypass data line arranged in the display and peripheral regions

A display apparatus includes a plurality of pixels. A pixel includes a first capacitor connected between a first voltage line receiving a first driving signal and a first node, a first transistor comprising a control electrode connected to the first node, a first electrode connected to a second voltage line receiving a first power source signal and a second electrode connected to a second node, an organic light emitting diode comprising an anode electrode connected to the second node and a cathode electrode receiving a second power source signal, a second capacitor connected between an m-th data line and the second node (wherein, 'm' is a natural number) and a second transistor comprising a control electrode connected to an n-th scan line (wherein, 'n' is a natural number), a first electrode connected to the first node and a second electrode connected to the second node.

Method of driving pixel of display apparatus that includes dividing data voltage using first and second capacitors connected in series to apply divided voltage to control electrode of transistor

A display panel driver drives pixels based on first power having at least three voltage levels, second power having a constant voltage, and third power having two voltage levels. Each pixel includes a first transistor connected between first and second nodes and including a gate electrode to receive a scan signal, a second transistor connected between the second node and a third node in series with the first transistor and including a gate electrode to receive the third power, and a driving transistor connected between a source of the first power and the third node and including a gate electrode connected to the first electrode to control a driving current for an organic light emitting diode. A first capacitor is connected between a source of the third power and the first node, and a second capacitor is connected between the second node and one of the data lines.

Pixel and display device having the same

Display apparatus including pixel that includes first through third transistors

A pixel includes first, second, and third transistors, first and second capacitors, and an organic light emitting diode. The first transistor has a gate electrode connected to a first node, a first electrode that receives a first power voltage, and a second electrode connected to a second node. The second transistor has a gate electrode that receives a scan signal, a first electrode connected to the first node, and a second electrode connected to a third node. The third transistor has a gate electrode that receives a common control signal, a first electrode connected to the third node, and a second electrode connected to the second node. The organic light emitting diode has a first electrode connected to the second node and a second electrode that receives a second power voltage.

Display apparatus and method of driving the same

A pixel for a display panel includes first and second transistors, first and second capacitors, and an organic light emitting diode. The first transistor has a gate electrode connected to a first node, a first electrode connected to a first power source, and a second electrode connected to a second node. The second transistor has a gate electrode connected to a scan line, a first electrode connected to the first node, and a second electrode connected to the second node. The organic light emitting diode has a first electrode connected to the second node and a second electrode connected to a second power source. The first capacitor has a first electrode connected to a third power source and a second electrode connected to the first node. The second capacitor has a first electrode connected to a data line and a second electrode connected to the second node.

An organic light emitting display device includes a plurality of pixel columns, a first data wiring, a second data wiring, and a power supply wiring. The pixel columns include pixels repeatedly arranged in a first direction, and the pixel columns are repeatedly arranged in a second direction. The first and second directions are substantially perpendicular to each other. The first data wiring extends in the first direction and is connected to the pixels in an even row. The second data wiring extends in the first direction and are connected to the pixels in an odd row. The power supply wiring extends in the first direction between the first and second data wirings.

Organic light emitting display device

Display apparatus having a simple pixel structure and method of driving the same

A pixel includes first to fourth transistors and a driving transistor. The first transistor is connected between a data line and a first node and has a gate electrode to receive a scan signal. The driving transistor is connected between the first node and a second node and has a gate electrode connected to a third node. The second transistor is connected between the second and third nodes and has a gate electrode to receive the scan signal. The third transistor is connected between first power and the first node and has a gate electrode to receive an emission signal. The fourth transistor is connected between the first and second nodes and has a gate electrode to receive an initialization signal. An organic light emitting diode is connected between the second node and second power. A storage capacitor is connected between the first power and third node.

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 display apparatus includes a plurality of pixels. Each pixel includes a first capacitor connected between a first voltage line receiving a driving signal and a first node; a first transistor comprising a control electrode connected to the first node, a first electrode connected to a second voltage line receiving a first power source signal, and a second electrode connected to a second node; an organic light emitting diode comprising an anode electrode connected to the second node and a cathode electrode receiving a second power source signal; a second capacitor connected between an m-th data line and the second node; a second transistor comprising a control electrode connected to an n-th gate line, a first electrode connected to the first node, and a second electrode connected to the second node; and a third transistor comprising a control electrode connected to an n-th scan line, a first electrode connected to the first voltage line, and a second electrode connected to the second node.

Growing community of inventors

Seoul, South Korea

Chong-Chul Chai