Display apparatus including polarization film
A display apparatus includes a display panel that includes a display element and a thin-film encapsulation layer disposed on the display element, and a polarization film disposed on the display panel and that includes a phase compensation layer, a phase retardation layer, and a polarization layer. A thickness direction phase difference of the display panel is less than or equal to about −35 nm.
1 . A display apparatus, comprising:
a display panel that includes a display element and a thin-film encapsulation layer disposed on the display element; and
a polarization film disposed on the display panel and that includes a phase compensation layer, a phase retardation layer, and a polarization layer,
wherein a thickness direction phase difference of the display panel is less than or equal to about −35 nm or less.
2 . The display apparatus of claim 1 , wherein the phase compensation layer comprises a first phase compensation layer and a second phase compensation layer.
3 . The display apparatus of claim 2 , wherein the phase retardation layer is located between the first phase compensation layer and the second phase compensation layer.
4 . The display apparatus of claim 2 , wherein the second phase compensation layer is located between the phase retardation layer and the polarization layer.
5 . The display apparatus of claim 2 , wherein the first phase compensation layer comprises a positive C plate.
6 . The display apparatus of claim 2 , wherein a thickness direction phase difference of the first phase compensation layer is less than or equal to about −40 nm.
7 . The display apparatus of claim 2 , wherein the second phase compensation layer comprises a tri-acetyl cellulose (TAC) film.
8 . The display apparatus of claim 2 , wherein a thickness direction phase difference of the second phase compensation layer is greater than or equal to about +4 nm.
9 . The display apparatus of claim 2 , wherein the second phase compensation layer comprises a negative C plate.
10 . The display apparatus of claim 2 , wherein the second phase compensation layer is located on the first phase compensation layer, and the phase retardation layer is located on the second phase compensation layer.
11 . The display apparatus of claim 1 , wherein the phase retardation layer comprises a quarter-wave plate (QWP).
12 . The display apparatus of claim 1 , wherein the polarization film further comprises a protective substrate disposed on the polarization layer.
13 . The display apparatus of claim 1 , wherein the display element comprises a pixel electrode, a counter electrode, and an emission layer located between the pixel electrode and the counter electrode.
14 . The display apparatus of claim 1 , wherein the thin-film encapsulation layer comprises at least one inorganic encapsulation layer and at least one organic encapsulation layer.
15 . The display apparatus of claim 14 , wherein the at least one inorganic encapsulation layer comprises a first inorganic encapsulation layer that includes at least one inorganic material and a second inorganic encapsulation layer that includes at least one inorganic material.
16 . A polarization film, comprising:
a first phase compensation layer that includes a positive C plate;
a phase retardation layer disposed on the first phase compensation layer;
a second phase compensation layer disposed on a side of the phase retardation layer and that has a thickness direction phase difference of greater than or equal to about +4 nm; and
a polarization layer disposed on the second phase compensation layer.
17 . The polarization film of claim 16 , wherein a thickness direction phase difference of the first phase compensation layer is less than or equal to about −40 nm.
18 . The polarization film of claim 16 , wherein the second phase compensation layer comprises a tri-acetyl cellulose (TAC) film or a negative C plate.
19 . The polarization film of claim 16 , wherein the phase retardation layer comprises a quarter-wave plate (QWP).
20 . The polarization film of claim 16 , further comprising a protective substrate disposed on the polarization layer.
21 . A display apparatus, comprising:
a display panel that includes a display element and a thin-film encapsulation layer disposed on the display element; and
a polarization film disposed on the display panel and that includes a first phase compensation layer, a second phase compensation layer, a phase retardation layer, and a polarization layer,
wherein a thickness direction phase difference of the first phase compensation layer is less than or equal to about −40 nm, and
wherein a thickness direction phase difference of the second phase compensation layer is greater than or equal to about +4 nm.
22 . The display apparatus of claim 21 , wherein a thickness direction phase difference of the display panel is less than or equal to about −35 nm.