Color conversion panel and display device including the same
A color conversion panel including: a first substrate; light blocking members disposed on the first substrate while being separated from each other; a first color conversion layer, a second color conversion layer, and a transmissive layer that are respectively disposed between the light blocking members; and a capping layer disposed on the first color conversion layer, the second color conversion layer, and the transmissive layer. The capping layer is a multi-layer structure containing SiON having different compositions.
1. A color conversion panel comprising:
a first substrate;
light blocking members disposed on the first substrate, each of the light blocking members having a bottom surface facing the first substrate, the light blocking members being spaced apart from each other;
a first color conversion layer, a second color conversion layer, and a transmissive layer that are respectively disposed between the light blocking members; and
a capping layer disposed on the first color conversion layer, the second color conversion layer, and the transmissive layer, wherein
the capping layer is a multi-layer structure containing SiON having different compositions
the capping layer includes a second layer and a first layer disposed between the second layer and at least one of the first color conversion layer and the second color conversion layer,
the first layer contains SiON with an O/Si molar ratio of 1.0 to 1.2,
the second layer contains SiON with an O/Si molar ratio of 1.7 to 1.9, and
the first layer makes direct contact with at least one of the first color conversion layer and the second color conversion layer.
2. The color conversion panel of claim 1 , wherein, in the first layer, a nitrogen (N) content and an oxygen (O) content are different from an N content and an O content of the second layer.
3. The color conversion panel of claim 1 , wherein a nitrogen (N) content of the first layer is greater than that of the second layer.
4. The color conversion panel of claim 1 , wherein an oxygen (O) content of the second layer is greater than that of the first layer.
5. The color conversion panel of claim 1 , wherein a thickness of the first layer is less than that of the second layer.
6. The color conversion panel of claim 5 , wherein a thickness of the first layer is 5% to 20% of a thickness of the second layer.
7. The color conversion panel of claim 1 , wherein the first layer directly contacts the first color conversion layer, the second color conversion layer, and the transmissive layer.
8. The color conversion panel of claim 1 , further comprising:
a first color filter disposed between the first substrate and the first color conversion layer;
a second color filter disposed between the first substrate and the second color conversion layer; and
a third color filter disposed between the first substrate and the transmissive layer.
9. The color conversion panel of claim 8 , further comprising a dummy color filter disposed in a same layer as the third color filter, while overlapping the light blocking member in a direction that is perpendicular to a plane of the substrate,
wherein the third color filter and the dummy color filter are blue color filters.
10. The color conversion panel of claim 8 , further comprising: a reflective layer disposed between the first color filter and the first color conversion layer.
11. The color conversion panel of claim 10 , further comprising a refractive capping layer that contacts the reflective layer.
12. A display device comprising:
a color conversion panel; and
a display panel disposed while overlapping the color conversion panel,
wherein the color conversion panel comprises:
a first substrate;
light blocking members disposed on the first substrate, each of the light blocking members having a bottom surface facing the first substrate, the light blocking members being spaced apart from each other;
a first color conversion layer, a second color conversion layer, and a transmissive layer that are respectively disposed between the light blocking members; and
a capping layer disposed on the first color conversion layer, the second color conversion layer, and the transmissive layer, wherein
the capping layer has a multi-layered structure including SiON having different compositions,
the capping layer includes a second layer and a first layer disposed between the second layer and at least one of the first color conversion layer and the second color conversion layer,
the first layer contains SiON with an O/Si molar ratio of 1.0 to 1.2,
the second layer contains SiON with an O/Si molar ratio of 1.7 to 1.9, and
the first layer makes direct contact with at least one of the first color conversion layer and the second color conversion layer.
13. The display device of claim 12 , wherein:
a nitrogen (N) content of the first layer is higher than that of the second layer; and
an oxygen (O) content of the second layer is higher than that of the first layer.
14. The display device of claim 12 , wherein a thickness of the first layer is 5% to 20% of a thickness of the second layer.