Display device and electronic device comprising the same

A display device comprising:

• a pixel defining film disposed on a substrate, wherein a plurality of openings is defined through the pixel defining film;
• a plurality of light emitting elements disposed in the openings, respectively, wherein the light emitting elements emit light of different colors from each other;
• a capping layer disposed on a common electrode of the light emitting elements;
• an auxiliary layer disposed on the capping layer and including bismuth;
• a thin film encapsulation layer including a first encapsulation layer disposed on the auxiliary layer, a second encapsulation layer disposed on the first encapsulation layer, and a third encapsulation layer disposed on the second encapsulation layer;
• a light blocking layer disposed on the thin film encapsulation layer, wherein a plurality of opening holes is defined through the light blocking layer to overlap the openings, respectively;
• and
• an antireflection layer disposed on the light blocking layer,
• wherein the first encapsulation layer includes:
• a first inorganic insulating layer disposed on the auxiliary layer and including silicon oxynitride;
• a second inorganic insulating layer disposed on the first inorganic insulating layer and including silicon oxynitride;
• and
• a third inorganic insulating layer disposed on the second inorganic insulating layer and including silicon oxynitride,
• the capping layer has a refractive index in a range of about 1.60 to about 2.30,
• the auxiliary layer has a refractive index which is about 2.0 or greater and greater than the refractive index of the capping layer,
• the first inorganic insulating layer has a refractive index in a range of about 1.70 to about 2.0,
• the second inorganic insulating layer has a refractive index in a range of about 1.20 to about 1.62, and
• the third inorganic insulating layer has a refractive index in a range of about 1.48 to about 1.89, and greater than the refractive index of the second inorganic insulating layer, and
• a first opening interval between a first opening of the openings, in which a first light emitting element of the light emitting elements which emits light of a first color is disposed, and a first opening hole of the openings holes overlapping the first opening is greater than a second opening interval between a second opening of the openings, in which a second light emitting element of the light emitting elements which emits light of a second color different from the first color is disposed, and a second opening hole of the opening holes overlapping the second opening.

An electronic device comprising:

• a display device including a display area and a non-display area surrounding the display area;
• and
• an optical device disposed to overlap a portion of the display area of the display device,
• wherein the display device includes:
• a pixel defining film disposed on a substrate, wherein a plurality of openings is defined through the pixel defining film;
• a plurality of light emitting elements disposed in the openings, respectively, wherein the light emitting elements emit light of different colors from each other;
• a capping layer disposed on a common electrode of the light emitting elements;
• an auxiliary layer disposed on the capping layer and including bismuth;
• a thin film encapsulation layer including a first encapsulation layer disposed on the auxiliary layer, a second encapsulation layer disposed on the first encapsulation layer, and a third encapsulation layer disposed on the second encapsulation layer;
• a light blocking layer disposed on the thin film encapsulation layer, wherein a plurality of opening holes is defined through the light blocking layer to overlap the openings, respectively;
• and
• an antireflection layer disposed on the light blocking layer,
• wherein the first encapsulation layer includes:
• a first inorganic insulating layer disposed on the auxiliary layer and including silicon oxynitride;
• a second inorganic insulating layer disposed on the first inorganic insulating layer and including silicon oxynitride;
• and
• a third inorganic insulating layer disposed on the second inorganic insulating layer and including silicon oxynitride,
• the capping layer has a thickness in a range of about 200 Å to about 300 Å,
• the auxiliary layer has a thickness in a range of about 80 Å to about 100 Å,
• the first inorganic insulating layer has a thickness in a range of about 1700 Å to about 1800 Å,
• the second inorganic insulating layer has a thickness in a range of about 1100 Å to about 1200 Å,
• the third inorganic insulating layer has a thickness of about 4000 Å or greater, and
• a first opening interval between a first opening of the openings, in which a first light emitting element of the light emitting elements which emits light of a first color is disposed, and a first opening hole of the opening holes overlapping the first opening is greater than a second opening interval between a second opening of the openings, in which a second light emitting element of the light emitting elements which emits light of a second color different from the first color is disposed, and a second opening hole of the opening holes overlapping the second opening.