Samsung Display Co., Ltd.

Sang-uk Lim

Dongwoo Kim

Kwang-chul Jung

Sun Hwa Lee

Sunghwan Kim

Cheol-Gon Lee

Sung-Hwan Kim

Kyoungju Shin

Hee June Kwak

Seok Kyu Yoon

Mee-Hye Jung

Wan-Soon Im

Yun Seok Lee

Sangjin Jeon

Jae Hong Park

Sunhwa Lee

Il-Gon Kim

Oh Jeong Kwon

Seong Young Lee

Seokha Hong

Sung-Jae Yun

Hyuk Hwan Kim

Byoung Sun Na

Seung Soo Baek

BoYong Chung

Kyoung-Ju Shin

Sang Cheol Shin

Hyeok Jin Lee

Sang Jin Jeon

Tak-Young Lee

Eun Ju Kim

Jun Pyo Lee

Jai-hyun Koh

Jonghee Kim

Yang-Hwa Choi

Joo Young Yoon

In-Jae Hwang

Jun-Hyun Park

Jang-Mi Kang

Kyung Hye Park

Doo-young Lee

Jiang Shuai

Joo Ae Youn

Hyun-Cheol Moon

Bonghyun You

Mee Hye Jung

Min Hyuck Kang

Jin-Ho Ju

Ji-Sun Kim

Dong-Won Park

Il Gon Kim

Jun Ki Jeong

Won Sik Oh

Kuk-Hwan Ahn

Heerim Song

Geunjeong Park

Junki Jeong

Se-Hyoung Cho

Taejin Kim

Bong-Yeon Kim

Yong Hoon Son

Ik Soo Lee

Hyun-Joo Lee

Hyung June Kim

Seokyun Son

Ahyoung Son

Jun-Hyuk Woo

Heejune Kwak

Donghwa Shin

Se-hyang Kim

Dong-Eon Lee

Chang-soo Lee

Doo-Young Lee

A display device includes a display panel and a gate driver. The gate driver includes an N-th stage (where N is a natural number) configured to output an N-th scan gate signal and output an N-th sensing gate signal. The N-th stage includes a compensator, a sixth transistor including a control electrode connected to a first node, and a ninth transistor including a control electrode connected to the first node. In a variable frequency mode, the compensator outputs a second signal to the first node in response to a first signal, and the sixth transistor does not output the N-th scan gate signal when the ninth transistor outputs the N-th sensing gate signal based on the sensing clock signal, the voltage of the first node, and the voltage of the second node.

Display device

An OLED display device includes a pixel having a switching transistor turned on by a scan signal received from a scan line and which transmits a data signal received from a data line to a first node, a driving transistor connected between the first node and a second node and through which a driving current corresponding to the data signal flows, a storage capacitor including one end connected to a power supply and another end connected to a gate electrode of the driving transistor, an OLED emitting light by the driving current, and a light emission control transistor connected between the second node and an anode of the OLED and which is turned on by an light emission control signal and transmits the driving current to the OLED. The switching transistor may be an n-type transistor, and the light emission control transistor is a p-type transistor.

Organic light emitting diode display

A gate driving circuit includes a stage which outputs a scan signal based on a scan clock signal, a voltage of a first node, and a voltage of a second node, and outputs a sensing signal based on a sensing clock signal, a voltage of the first node, and a voltage of the second node. The stage includes a second sensing portion including transistors electrically connected in series and a first pull-up control portion including transistors electrically connected in series, the transistors including control electrodes electrically connected to each other. A first intermediate node between the transistors of the second sensing portion is separated from a second intermediate node between the transistors of the first pull-up control portion.

Gate driving circuit and display device including the same

An organic light-emitting display apparatus includes an organic light-emitting diode, a switching transistor, a first light emission control transistor, and a driving transistor. The organic light-emitting diode includes an anode and a cathode for receiving a reference voltage. The switching transistor includes a gate electrode for receiving an nth scan signal and a source electrode for receiving a data signal, and is an NMOS transistor. The first light emission control transistor includes a gate electrode for receiving a light emission control signal, and is configured to turn on upon receiving the light emission control signal to determine a timing of flow of a driving current to the organic light-emitting diode, and is a PMOS transistor. The driving transistor is connected to the switching transistor and the first light emission control transistor and provides the driving current to the organic light-emitting diode.

Organic light emitting display apparatus

Provided is a gate driving circuit comprising an N-th stage and an N+1-th stage. The N-th stage outputs an N-th scan gate signal based on an N-th scan clock signal, a voltage of a QN node, and a voltage of a QBN node and to output an N-th carry signal based on an N-th carry clock signal, the voltage of the QN node, and the voltage of the QBN node. The N+1-th stage outputs an N+1-th scan gate signal based on an N+1-th scan clock signal, a voltage of a QN+1 node, and the voltage of the QBN node and an N+1-th carry signal based on an N+1-th carry clock signal, the voltage of the QN+1 node, and the voltage of the QBN node. The N-th stage and the N+1-th stage share an inverting circuit. The inverting circuit controls the QBN node based on a third signal. N is a positive integer.

Gate driving circuit and display apparatus including the same

An organic light emitting display device includes a plurality of pixels. Each of the pixels includes an organic light emitting diode, first to third transistors, a storage capacitor, and a first capacitor. The second transistor includes a gate electrode receiving a first scan signal, a first electrode receiving a data signal, and a second electrode connected to a first electrode of the first transistor. The third transistor includes a gate electrode receiving a second scan signal, a first electrode connected to a second electrode of the first transistor, and a second electrode connected to a gate electrode of the first transistor. The storage capacitor includes a first electrode receiving a power voltage and a second electrode connected to the gate electrode of the first transistor. The first capacitor includes a first electrode connected to the gate electrode of the third transistor and a second electrode receiving the power voltage.

Pixel and organic light emitting display device having the same

A display apparatus with improved aperture ratio and light transmittance is presented. The apparatus has a pixel group that includes a first pixel including first and second sub-regions, a second pixel including third and fourth sub-regions, and a third pixel including fifth and sixth sub-regions. The first, second, and third pixels are sequentially arranged in a first direction and at least two sub-regions of the first, third, and fifth sub-regions have different widths in the first direction. The second, fourth, and sixth sub-regions are sequentially arranged in the first direction, and at least one sub-region of the second, fourth, and sixth sub-regions expands toward an adjacent sub-region in the first direction and has a width greater than a width of the other sub-regions of the second, fourth, and sixth sub-regions in the same pixel group.

Display apparatus with adjusted aperture ratio

Provided is a display device. The display device includes: a plurality of gate lines extending in a first direction; a plurality of data lines extending in a second direction that intersects the first direction; and a plurality of pixels connected to the gate lines and the data lines, wherein the pixels include pixels h-th row pixels (h is a natural number) and (h+1)-th row pixels, which are adjacent to each other in the second direction, with a (k+1)-th gate line (k is a natural number) therebetween among the gate lines; and a first pixel displaying a first color and connected to the (k+1)-th gate line among the h-th row pixels and a second pixel displaying the first color and connected to the (k+1)-th gate line among the (h+1)-th row pixels are spaced apart from each other in the first direction and receive different polarities of data voltages.

Display device and method of driving the same

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Yongin-si, South Korea

Sang-uk Lim