Display device having a moisture barrier layer and method of manufacturing the same
A display device includes a lower display panel, an upper display panel facing the lower display panel, a metal oxide layer surrounding outermost surfaces of the upper display panel and the lower display panel, and a barrier layer surrounding the metal oxide layer. The barrier layer includes a self-assembled monolayer.
1. A display device comprising:
a lower display panel,
an upper display panel facing the lower display panel,
a first polarizer directly on an outer surface of the upper display panel and a second polarizer directly on an outer surface of the lower display panel, the first polarizer defining an outermost surface of the upper display panel and the second polarizer defining an outermost surface of the lower display panel,
a barrier layer surrounding outermost surfaces of the upper display panel and the lower display panel, the barrier layer comprising a self-assembled monolayer;
and
a metal oxide layer directly between the barrier layer and the outermost surface of the upper display panel, and directly between the barrier layer and the outermost surface of the lower display panel,
wherein the metal oxide layer comprises one selected from aluminum oxide, tantalum nitride, titanium nitride, and combination thereof.
2. The display device of claim 1 , wherein:
the self-assembled monolayer comprises a silane compound or a thiol compound.
3. The display device of claim 2 , wherein:
the self-assembled monolayer comprises one selected from octadecyltrichlorosilane, perfluorooctyltrichlorosilane, dichlorodimethylsilane, and combination thereof.
4. The display device of claim 2 , wherein:
the self-assembled monolayer comprises fluorine.
5. The display device of claim 1 , further comprising:
a sealing member between the lower display panel and the upper display panel,
wherein the metal oxide layer and the barrier layer surround outermost surfaces of the sealing member, the upper display panel and the lower display panel.
6. The display device of claim 1 , wherein:
a moisture prevention layer comprises the metal oxide layer and the barrier layer, and a moisture transmission rate of the moisture prevention layer is less than 10 −4 g/m 2 /day.
7. A method of manufacturing a display device, the method comprising:
providing a lower display panel and an upper display panel facing the lower display panel,
providing a sealing member between the lower display panel and the upper display panel,
providing a first polarizer directly on an outer surface of the upper display panel and a second polarizer directly on an outer surface of the lower display panel, the first polarizer defining an outermost surface of the upper display panel and the second polarizer defining an outermost surface of the lower display panel,
providing a barrier layer surrounding outermost surfaces of the lower display panel, the upper display panel and the sealing member, the barrier layer comprising a self-assembled monolayer, and
providing a metal oxide layer directly between the barrier layer and the outermost surface of the upper display panel, and directly between the barrier layer and the outermost surface of the lower display panel,
wherein the metal oxide layer comprises one selected from aluminum oxide, tantalum nitride, titanium nitride, and combination thereof.
8. The method of manufacturing a display device of claim 7 , wherein:
the self-assembled monolayer comprises a silane compound or a thiol compound.
9. The method of manufacturing a display device of claim 8 , wherein:
the self-assembled monolayer comprises at least one of octadecyltrichlorosilane, perfluorooctyltrichlorosilane and dichlorodimethylsilane.
10. The method of manufacturing a display device of claim 8 , wherein:
the self-assembled monolayer comprises fluorine.