Display apparatus
A display apparatus includes: a first substrate; a light-emitting diode layer over the first substrate and including a light-emitting diode configured to emit light of a wavelength in a first wavelength band; a color-converting layer on the light-emitting diode layer and including a quantum-dot layer or a light-transmissive layer overlapping the light-emitting diode; a second substrate over the first substrate between the light-emitting diode layer and the color-converting layer and including a groove in a surface thereof facing the first substrate, the groove overlapping the light-emitting diode; and an ion-supplying layer filling the groove.
1 . A display apparatus comprising:
a first substrate;
a light-emitting diode layer over the first substrate and including a light-emitting diode configured to emit light of a wavelength in a first wavelength band;
a color-converting layer on the light-emitting diode layer and including a quantum-dot layer or a light-transmissive layer overlapping the light-emitting diode;
a second substrate over the first substrate between the light-emitting diode layer and the color-converting layer and including a groove in a surface thereof facing the first substrate, the groove overlapping the light-emitting diode; and
an ion-supplying layer filling the groove.
2 . The display apparatus of claim 1 , wherein the ion-supplying layer includes a polymer having a carboxyl group.
3 . The display apparatus of claim 1 , wherein the ion-supplying layer includes polyacrylic acid.
4 . The display apparatus of claim 1 , further comprising a sealing member between the first substrate and the second substrate.
5 . The display apparatus of claim 4 , wherein the sealing member defines a cavity between the first substrate and the second substrate.
6 . The display apparatus of claim 5 , wherein the color-converting layer and the ion-supplying layer face each other with the cavity therebetween.
7 . The display apparatus of claim 4 , wherein the sealing member includes a light-curable resin.
8 . The display apparatus of claim 1 , wherein the surface of the second substrate in a direction to the first substrate is spaced apart in a thickness direction from a surface of the color-converting layer in a direction to the second substrate.
9 . The display apparatus of claim 8 , wherein a distance between a surface of the ion-supplying layer in a direction to the first substrate and a surface of the color-converting layer in a direction to the second substrate is greater than or equal to a distance between a surface of the second substrate in the direction to the first substrate and a surface of the color-converting layer in the direction to the second substrate.
10 . A display apparatus comprising:
a first substrate;
a light-emitting diode layer over the first substrate and including a first light-emitting diode, a second light-emitting diode, and a third light-emitting diode each configured to emit light of a wavelength in a first wavelength band;
an encapsulation layer on the light-emitting diode layer;
a bank layer on the encapsulation layer and defining a first bank opening overlapping the first light-emitting diode, a second bank opening overlapping the second light-emitting diode, and a third bank opening overlapping the third light-emitting diode;
a first quantum-dot layer in the first bank opening and configured to convert light of a wavelength in the first wavelength band into light of a wavelength in a second wavelength band;
a second quantum-dot layer in the second bank opening and configured to convert light of a wavelength in the first wavelength band into light of a wavelength in a third wavelength band;
a second substrate over the first substrate such that the light-emitting diode layer, the encapsulation layer, and the bank layer are between the first substrate and the second substrate, wherein the second substrate includes a first groove overlapping the first light-emitting diode, a second groove overlapping the second light-emitting diode, a third groove overlapping the third light-emitting diode, each of the first groove, the second groove, and the third groove being defined in a surface thereof in a direction to the first substrate; and
an ion-supplying layer including a first organic material layer filling the first groove, a second organic material layer filling the second groove, and a third organic material layer filling the third groove.
11 . The display apparatus of claim 10 , wherein the ion-supplying layer includes a polymer having a carboxyl group.
12 . The display apparatus of claim 10 , wherein the ion-supplying layer includes polyacrylic acid.
13 . The display apparatus of claim 10 , further comprising a sealing member between the first substrate and the second substrate,
wherein the sealing member defines a cavity between the first substrate and the second substrate.
14 . The display apparatus of claim 13 , wherein the cavity is between the first quantum-dot layer and the first organic material layer and between the second quantum-dot layer and the second organic material layer.
15 . The display apparatus of claim 10 , further comprising a light-transmissive layer in the third bank opening and configured to transmit light of a wavelength in the first wavelength band.
16 . The display apparatus of claim 15 , wherein the first wavelength band is in a range of 450 nm to 495 nm, the second wavelength band is in a range of 625 nm to 780 nm, and the third wavelength band is in a range of 495 nm to 570 nm.
17 . The display apparatus of claim 15 , wherein a thickness of the third organic material layer is different from a thickness of the first organic material layer and a thickness of the second organic material layer.
18 . The display apparatus of claim 15 , wherein a thickness of the third organic material layer is greater than a thickness of the first organic material layer and a thickness of the second organic material layer.
19 . The display apparatus of claim 18 , wherein a thickness of the first organic material layer is equal to a thickness of the second organic material layer.
20 . The display apparatus of claim 10 , wherein a surface of the second substrate in a direction to the first substrate is spaced apart from each of a surface of the first quantum-dot layer in a direction to the second substrate and a surface of the second quantum-dot layer in the direction to the second substrate.