Pixel and gate driving circuit
AssigneeSamsung Display Co., Ltd.
InventorsMinjoo Kim, Wonkyu Kwak, Minwoo Byun
Life of this patent
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Abstract
A pixel includes: a light-emitting diode; a first transistor; a second transistor connected to a gate of the first transistor and to a data line; a third transistor connected to the gate of the first transistor and to a first voltage line; a fourth transistor connected to the first transistor and a second voltage line; a fifth transistor connected to the first transistor and to a third voltage line; and a sixth transistor connected to the first transistor and to the light-emitting diode, where a gate signal supplied to a gate of the sixth transistor is a signal obtained by shifting a gate signal supplied to a gate of the fifth transistor by a certain time.
Claims20
A pixel comprising:
- a pixel circuit;
- and
- a light-emitting diode connected to the pixel circuit,
- wherein the pixel circuit comprises:
- a first transistor;
- a second transistor connected to a gate of the first transistor and to a data line;
- a third transistor connected to a first terminal of the first transistor and to a first voltage line;
- a fourth transistor connected to a second terminal of the first transistor and to the light-emitting diode;
- and
- a first capacitor connected between the gate of the first transistor and the second terminal of the first transistor,
- wherein a gate signal supplied to a gate of the third transistor is a signal obtained by shifting a gate signal supplied to a gate of the fourth transistor.
A display panel comprising:
- a plurality of pixels, each of the plurality of pixels comprising;
- a pixel circuit;
- and
- a light-emitting diode connected to the pixel circuit,
- wherein the pixel circuit comprises:
- a first transistor;
- a second transistor connected to a gate of the first transistor and to a data line;
- a third transistor connected to a first terminal of the first transistor and to a first voltage line;
- and
- a fourth transistor connected to a second terminal of the first transistor and to the light-emitting diode;
- and
- a capacitor connected between the gate of the first transistor and the second terminal of the first transistor,
- wherein the plurality of pixels comprises a first pixel in a first pixel row and a second pixel in a second pixel row which is different from the first pixel row,
- wherein a gate signal supplied to a gate of the fourth transistor of the first pixel is a gate signal supplied to a gate of the third transistor of the second pixel.
An electronic device comprising:
- a display panel arranged a plurality of pixels;
- a gate driving circuit for outputting gate signals to the plurality of pixels;
- and
- a controller configured generate a control signal transmitted to the gate driving circuit
- wherein each of the plurality of pixels comprises:
- a pixel circuit;
- and
- a light-emitting diode connected to the pixel circuit,
- wherein the pixel circuit comprises:
- a first transistor;
- a second transistor connected to a gate of the first transistor and to a data line;
- a third transistor connected to a first terminal of the first transistor and to a first voltage line;
- and
- a fourth transistor connected to a second terminal of the first transistor and to the light-emitting diode;
- and
- a capacitor connected between the gate of the first transistor and the second terminal of the first transistor,
- wherein a gate signal supplied to a gate of the third transistor from the gate driving circuit is a signal obtained by shifting a gate signal supplied to a gate of the fourth transistor from the gate driving circuit.
Dependencies are inferred from the claim text.