Display device having openings with scatter layer and link layer therein and manufacturing method thereof
A manufacturing method of a display device according to an embodiment includes forming a bank separating a first opening, a second opening, and a third opening on a first substrate, forming a scatterer layer in the first opening, the second opening, and the third opening, forming a first ink layer in the first opening, forming a second ink layer in the second opening, and forming a third ink layer in the third opening.
1 . A manufacturing method of a display device, comprising:
forming a bank separating a first opening, a second opening, and a third opening on a first substrate;
forming a scatterer layer including scatterers in the first opening, the second opening, and the third opening;
forming a first ink layer including a first quantum dot in the first opening;
forming a second ink layer including a second quantum dot in the second opening; and
forming a third ink layer in the third opening, wherein
the scatterer layer and the first ink layer are mixed to form a first color conversion layer in the first opening,
the scatterer layer and the second ink layer are mixed to form a second color conversion layer in the second opening,
the scatterer layer and the third ink layer are mixed to form a transmission layer in the third opening, and
the first color conversion layer is a single layer in which the scatterers and the first quantum dots are intermingled.
2 . The manufacturing method of the display device of claim 1 , wherein the forming of the scatterer layer includes:
coating a scatterer solution entirely on the first substrate, and
forming a scatterer layer by drying the scatterer solution.
3 . A manufacturing method of a display device, comprising:
forming a bank separating a first opening, a second opening, and a third opening on a first substrate;
forming a scatterer layer in the first opening, the second opening, and the third opening;
forming a first ink layer in the first opening;
forming a second ink layer in the second opening; and
forming a third ink layer in the third opening, wherein
the scatterer layer and the first ink layer are mixed to form a first color conversion layer in the first opening,
the scatterer layer and the second ink layer are mixed to form a second color conversion layer in the second opening,
the scatterer layer and the third ink layer are mixed to form a transmission layer in the third opening,
the forming of the scatterer layer includes:
coating a scatterer solution entirely on the first substrate, and
forming a scatterer layer by drying the scatterer solution,
the scatterer solution includes a volatile solvent, a first monomer, and a scatterer,
when the scatterer solution is dried, the volatile solvent evaporates, and
the scatterer layer includes the first monomer and the scatterer.
4 . The manufacturing method of the display device of claim 3 , wherein the volatile solvent includes at least one of chloroform, acetone, propylene glycol methyl ether acetate (PGMEA), and propylene glycol monomethyl ether (PGME).
5 . The manufacturing method of the display device of claim 3 , wherein the first monomer includes an organic material provided with an acrylate functional group at at least one end portion of the organic material.
6 . The manufacturing method of the display device of claim 3 , wherein the scatterer includes at least one of titanium oxide (TiO 2 ), silicon oxide (SiO 2 ), barium sulfate (BaSO 4 ), zinc oxide (ZnO), aluminum oxide (Al 2 O 3 ), and calcium carbonate (CaCO 3 ).
7 . The manufacturing method of the display device of claim 3 , wherein the scatterer is further disposed on the bank.
8 . The manufacturing method of the display device of claim 3 , wherein
the first ink layer includes a first quantum dot, a second monomer, and a photoinitiator;
the second ink layer includes a second quantum dot, the second monomer, and the photoinitiator;
the third ink layer includes the second monomer and the photoinitiator; and
the first ink layer, the second ink layer, and the third ink layer do not include a scatterer.
9 . The manufacturing method of the display device of claim 8 , wherein the first monomer and the second monomer include different materials.
10 . The manufacturing method of the display device of claim 8 , wherein the second monomer includes an organic material provided with an acrylate functional group at at least one end portion of the organic material.
11 . A manufacturing method of a display device, comprising:
forming a bank separating a first opening, a second opening, and a third opening on a first substrate;
forming a scatterer layer in the first opening, the second opening, and the third opening;
forming a first ink layer in the first opening;
forming a second ink layer in the second opening; and
forming a third ink layer in the third opening, wherein
the scatterer layer and the first ink layer are mixed to form a first color conversion layer in the first opening,
the scatterer layer and the second ink layer are mixed to form a second color conversion layer in the second opening,
the scatterer layer and the third ink layer are mixed to form a transmission layer in the third opening,
the forming of the scatterer layer includes:
coating a scatterer solution entirely on the first substrate, and
forming a scatterer layer by drying the scatterer solution, and
the coating of the scatterer solution is performed by using at least one of an electrospray process, a screen printing process, and a blade coating process.
12 . The manufacturing method of the display device of claim 11 , wherein the forming of the first ink layer, the second ink layer, and the third ink layer is performed by using an inkjet printing process.
13 . The manufacturing method of the display device of claim 2 , further comprising:
photocuring the first color conversion layer, the second color conversion layer, and the transmission layer; and
thermal-curing the first color conversion layer, the second color conversion layer, and the transmission layer.
14 . The manufacturing method of the display device of claim 1 , further comprising
forming a first color filter, a second color filter, and a third color filter on the first substrate, wherein
the first color filter overlaps the first color conversion layer in a plan view,
the second color filter overlaps the second color conversion layer in a plan view, and
the third color filter overlaps the transmission layer in a plan view.
15 . The manufacturing method of the display device of claim 1 , further comprising:
forming light emitting elements on a second substrate;
aligning the first substrate and the second substrate to face each other; and
bonding the first substrate and the second substrate together.