Display Device and Method of Manufacturing Same

A display device having a bankless structure, the display device comprising:

• a substrate on which pixels including an emission area and a non-emission area are disposed;
• a first conductive layer disposed on the substrate, the first conductive layer including a lower electrode of a storage capacitor;
• an active layer formed on the first conductive layer;
• a second conductive layer formed on the active layer, the second conductive layer including electrodes of at least one transistor, and an upper electrode of the storage capacitor which is formed in a single pattern with at least one of the electrodes of the at least one transistor;
• an overcoat layer covering the second conductive layer;
• and
• a light-emitting element disposed on the overcoat layer, the light-emitting element connected to the upper electrode of the storage capacitor through a via hole,
• wherein the at least one transistor includes a driving transistor that controls an amount of current flowing to the light-emitting element in response to a voltage stored in the storage capacitor, and
• wherein the driving transistor comprises:
• a first electrode included in the second conductive layer, the first electrode connected to a power line;
• a second electrode included in the second conductive layer, the second electrode connected to the lower electrode of the storage capacitor;
• and
• a third electrode included in the second conductive layer, formed in a single pattern with the upper electrode of the storage capacitor, the third electrode connected to the light-emitting element via the upper electrode of the storage capacitor.

A display device having a bankless structure, the display device comprising:

• a substrate on which pixels including an emission area and a non-emission area are disposed;
• a first conductive layer disposed on the substrate, the first conductive layer including a lower electrode of a storage capacitor;
• an active layer formed on the first conductive layer;
• a second conductive layer formed on the active layer, the second conductive layer including electrodes of at least one transistor, and an upper electrode of the storage capacitor which is formed in a single pattern with at least one of the electrodes of the at least one transistor;
• an overcoat layer covering the second conductive layer;
• and
• a light-emitting element disposed on the overcoat layer, the light-emitting element connected to the upper electrode of the storage capacitor through a via hole,
• wherein the upper electrode is constructed as multiple layers in which a first electrode pattern disposed at the second conductive layer and a second electrode pattern disposed at the active layer overlap.

A display device having a bankless structure, the display device comprising:

• a substrate on which pixels including an emission area and a non-emission area are disposed;
• a first conductive layer disposed on the substrate, the first conductive layer including a lower electrode of a storage capacitor;
• an active layer formed on the first conductive layer;
• a second conductive layer formed on the active layer, the second conductive layer including electrodes of at least one transistor, and an upper electrode of the storage capacitor which is formed in a single pattern with at least one of the electrodes of the at least one transistor;
• an overcoat layer covering the second conductive layer;
• and
• a light-emitting element disposed on the overcoat layer, the light-emitting element connected to the upper electrode of the storage capacitor through a via hole,
• wherein among the pixels, an area of the upper electrode and the lower electrode of the pixels displaying a white color is set to be smaller than an area of the upper electrode and the lower electrode of the pixels displaying a red color, a blue color, or a green color.

A display device having a bankless structure, the display device comprising:

• a substrate on which pixels including an emission area and a non-emission area are disposed;
• a first conductive layer disposed on the substrate, the first conductive layer including a lower electrode of a storage capacitor;
• an active layer formed on the first conductive layer;
• a second conductive layer formed on the active layer, the second conductive layer including electrodes of at least one transistor, and an upper electrode of the storage capacitor which is formed in a single pattern with at least one of the electrodes of the at least one transistor;
• an overcoat layer covering the second conductive layer;
• and
• a light-emitting element disposed on the overcoat layer, the light-emitting element connected to the upper electrode of the storage capacitor through a via hole,
• wherein the overcoat layer is formed in an area except the emission area of the pixels displaying a white color, among the pixels.

A display device having a bankless structure, the display device comprising:

• a substrate on which a pixel is disposed, the pixel including an emission area and a circuit area in which circuit elements are disposed, and emitting light in a white color;
• a first conductive layer disposed on the substrate, the first conductive layer including a lower electrode of a storage capacitor;
• an active layer formed above the first conductive layer;
• a second conductive layer formed on the active layer, the second conductive layer including electrodes of at least one transistor;
• an overcoat layer covering the second conductive layer;
• and
• an anode electrode disposed on the overcoat layer,
• wherein the anode electrode includes an extended part that extends from the emission area to the circuit area and constitutes an upper electrode of the storage capacitor.