US 12,614,519 B2 · Pixel, display device including the same and electronic device including display device

Abstract

A pixel includes a first transistor including a first electrode connected to a first node, a second electrode connected to a second node, and a gate electrode connected to a third node, a second transistor connected between a data line and the third node, and including a gate electrode connected to a first scan line, a third transistor connected between a first power line to which first driving power is supplied, and the first node, and including a gate electrode connected to an emission control line, a first capacitor connected between the first and third nodes, a second capacitor connected between the third node and a reference power line to which reference power is supplied, a third capacitor connected between the second and third nodes, and a light-emitting element connected between the second node and a second power line to which second driving power is supplied.

Claims17

Dependent claims

A pixel comprising:

a first transistor including:
a first electrode connected to a first node;
a second electrode connected to a second node;
and
a gate electrode connected to a third node;
a second transistor connected between a data line and the third node, the second transistor including:
a gate electrode electrically connected to a first scan line;
a third transistor connected between a first power line to which first driving power is supplied, and the first node, the third transistor including:
a gate electrode electrically connected to an emission control line;
a first capacitor connected between the first node and the third node;
a second capacitor connected between the third node and a reference power line to which reference power is supplied;
a third capacitor connected between the second node and the third node;
and
a light-emitting element connected between the second node and a second power line to which second driving power is supplied.

11 more elements

A display device comprising:

pixels connected to write scan lines, initialization scan lines, data lines, and emission control lines, the pixels including:
a pixel disposed on an i-th pixel row and a j-th pixel column, i and j respectively being natural numbers greater than zero, the pixel comprising:
a first transistor including a first electrode connected to a first node, a second electrode connected to a second node, and a gate electrode connected to a third node;
a second transistor connected between a j-th data line among the data lines and the third node, and configured to be turned on when a first scan signal is supplied to a first scan line among the write scan lines;
a third transistor connected between a first power line to which a voltage of first driving power is supplied and the first node, and configured to be turned off when an emission control signal is supplied to a k-th emission control line, k being a natural number greater than zero;
a first capacitor connected between the first node and the third node;
a second capacitor connected between the third node and a reference power line to which reference power is supplied;
a third capacitor connected between the second node and the third node;
and
a light-emitting element connected between the second node and a second power line to which second driving power is supplied.

7 more elements

Dependencies are inferred from the claim text.

Pixel, display device including the same and electronic device including display device

Life of this patent

Pixel, display device including the same and electronic device including display device

Life of this patent

Abstract

Claims17