Display apparatus and method of manufacturing display apparatus
A display apparatus includes: a lower substrate; a light-emitting element on the lower substrate and including an emission layer; an upper substrate over the lower substrate with the light-emitting element therebetween; a bank on a lower surface of the upper substrate facing the lower substrate, the bank including a central opening and a peripheral opening; a functional layer in the central opening and including at least one of a color-converting material or a scatterer; and a column spacer on the bank and facing the lower substrate. A distance from an outer surface of the column spacer to an inner surface of the bank is 15 μm or more in a plan view. The inner surface of the bank defines the peripheral opening.
1 . A display apparatus comprising:
a lower substrate;
a light-emitting element above the lower substrate and comprising an emission layer;
an upper substrate over the lower substrate with the light-emitting element therebetween;
a bank below a lower surface of the upper substrate facing the lower substrate, the bank defining a central opening and a peripheral opening;
a first capping layer between the upper substrate and the bank;
a column spacer below the bank and facing the lower substrate;
a second capping layer between the column spacer and the bank; and
a functional layer in the central opening between the first capping layer and the second capping layer and comprising at least one of a color-converting material or a scatterer,
wherein a distance from an outer surface of the column spacer to an inner surface of the bank is 15 μm or more in a plan view, and
wherein the inner surface of the bank defines the peripheral opening.
2 . The display apparatus of claim 1 , wherein the distance from the outer surface of the column spacer to the inner surface of the bank defining the peripheral opening is in a range of about 15 μm to about 16 μm.
3 . The display apparatus of claim 1 , wherein the peripheral opening includes a first peripheral opening and a second peripheral opening,
wherein, in a plan view, the column spacer is located between the first peripheral opening and the second peripheral opening,
wherein a difference between a first distance and a width of the column spacer is 30 μm or more, the first distance being a distance between a first inner surface of the bank and a second inner surface of the bank,
wherein the first inner surface of the bank defines the first peripheral opening, and
wherein the second inner surface of the bank defines the second peripheral opening.
4 . The display apparatus of claim 3 , wherein the peripheral opening further includes a third peripheral opening adjacent to the first peripheral opening,
wherein a second distance between the first inner surface and a third inner surface of the bank is 30 μm or less in a plan view, and
wherein the third inner surface of the bank defines the third peripheral opening.
5 . The display apparatus of claim 1 , wherein the bank further includes:
a planarization region having a first surface that is flat;
an opening region overlapping the peripheral opening; and
a curved area arranged between the planarization region and the opening region and having a second surface that is curved, and
wherein the column spacer overlaps the first surface.
6 . The display apparatus of claim 1 , wherein the peripheral opening includes a plurality of peripheral openings, and
wherein, in a plan view, the column spacer is surrounded by the plurality of peripheral openings.
7 . The display apparatus of claim 1 , wherein the peripheral opening includes a plurality of peripheral openings, and
wherein, in a plan view, the plurality of peripheral openings surrounds the central opening.
8 . The display apparatus of claim 1 , wherein the color-converting material comprises quantum dots.
9 . A display apparatus comprising:
a lower substrate;
a light-emitting element on the lower substrate and comprising an emission layer;
an upper substrate over the lower substrate with the light-emitting element therebetween;
a bank on a lower surface of the upper substrate facing the lower substrate, the bank including a central opening and a peripheral opening;
a functional layer in the central opening and comprising at least one of a color-converting material or a scatterer;
a column spacer on the bank and facing the lower substrate; and
a color filter layer located between the upper substrate and the bank,
wherein a distance from an outer surface of the column spacer to an inner surface of the bank is 15 μm or more in a plan view,
wherein the inner surface of the bank defines the peripheral opening
wherein the color filter layer comprises a first color filter, a second color filter, and a third color filter to pass light in different wavelength bands from each other, and
wherein the first color filter, the second color filter, and the third color filter constitute a light-blocking unit overlapping the peripheral opening.
10 . A display apparatus comprising:
a lower substrate;
a light-emitting element on the lower substrate and comprising an emission layer;
an upper substrate over the lower substrate with the light-emitting element therebetween;
a bank on a lower surface of the upper substrate facing the lower substrate, the bank including a central opening and a peripheral opening;
a functional layer in the central opening and comprising at least one of a color-converting material or a scatterer;
a column spacer on the bank and facing the lower substrate;
an encapsulation layer covering the light-emitting element; and
a filling layer located between the encapsulation layer and the bank,
wherein a distance from an outer surface of the column spacer to an inner surface of the bank is 15 μm or more in a plan view,
wherein the inner surface of the bank defines the peripheral opening, and
wherein the column spacer separates the encapsulation layer from the bank and passes through the filling layer.