Samsung Display Co., Ltd.

Industry-university Cooperation Foundation Hanyang University

Nack-Hyeon Keum

Oh-Kyong Kwon

Chong-Chul Chai

Oh Kyong Kwon

Yong-Koo Her

In-Jae Hwang

Young-Wan Seo

Kyong-Hwan Oh

Chongchul Chai

Ansu Lee

Boyong Chung

Oh-Kyung Kwon

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 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

Display apparatus including pixel that includes first through third transistors

Display apparatus and method of driving the same

A pixel includes a first transistor connected between a line supplying a power supply voltage and a second node, and providing a driving current corresponding to a data voltage to a light emitting element based on a voltage of a first node, a third transistor connected between the first node and a line supplying a reference voltage, and generating a sampling current based on a difference between a voltage of the second node and the reference voltage, a second transistor connected between the line supplying the power supply voltage and the first node, adjusting the voltage of the first node to generate the sampling current based on a voltage of a third node, a fourth transistor transferring the power supply voltage to the third node, a fifth transistor transferring the data voltage to the second node, and a capacitor connected between the first node and the third node.

Pixel and display device having the same

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

Growing community of inventors

Daegu, South Korea

Nack-Hyeon Keum