US 10,374,026 B2 · Display device

Abstract

A display device includes first, second, and third insulating layers sequentially disposed on a substrate, a scan line disposed on the first insulating layer, an auxiliary power source line disposed on the second insulating layer, a data line disposed on the third insulating layer, a power source line disposed on the third insulating layer, a pixel circuit unit that includes transistors connected to the scan line, the data line, and the power source line, a bridge pattern disposed on the third insulating layer, and a light emitting diode connected to the pixel circuit unit through the bridge pattern, wherein the bridge pattern and the auxiliary power source line overlap each other to form an additional capacitor with the third insulating layer interposed therebetween.

Claims20

Dependent claims

A display device, comprising:

first, second, and third insulating layers sequentially disposed on a substrate;
a scan line disposed on the first insulating layer;
an auxiliary power source line disposed on the second insulating layer;
a data line disposed on the third insulating layer;
a power source line disposed on the third insulating layer;
a pixel circuit unit that includes transistors connected to the scan line, the data line, and the power source line;
a bridge pattern disposed on the third insulating layer;
and
a light emitting diode connected to the pixel circuit unit through the bridge pattern,
wherein the bridge pattern and the auxiliary power source line overlap each other to form an additional capacitor with the third insulating layer interposed therebetween.

7 more elements

A display device, comprising:

a first transistor that includes a source electrode connected to a power source line via a fifth transistor, a drain electrode connected to a first electrode of a light emitting diode via a sixth transistor, and a gate electrode connected to a first node;
a second transistor that includes a source electrode connected to a data line, a drain electrode connected to the source electrode of the first transistor, and a gate electrode connected to a scan line;
a third transistor that includes a source electrode connected to the drain electrode of the first transistor, a drain electrode connected to the first node, and a gate electrode connected to the scan line;
a fourth transistor that includes a source electrode connected to an initialization power source line, a drain electrode connected to the first node, and a gate electrode connected to a scan line of a previous stage;
the fifth transistor that includes a source electrode connected to the power source line, a drain electrode connected to the source electrode of the first transistor, and a gate electrode connected to a light emitting control line;
the sixth transistor that includes a source electrode connected to the drain electrode of the first transistor, a drain electrode connected to the first electrode of the light emitting diode, and a gate electrode connected to the light emitting control line;
a seventh transistor that includes a source electrode connected to the first electrode of the light emitting diode, a drain electrode connected to the initialization power source line, and a gate electrode connected to the scan line of the previous stage;
a storage capacitor connected between the power source line and the first node;
and
an additional capacitor connected between the power source line and the first electrode of the light emitting diode.

7 more elements

Dependencies are inferred from the claim text.

Display device

Life of this patent

Display device

Life of this patent

Abstract

Claims20