Low refractive layer and display device
A low refractive layer and a display device are provided. The display device includes a plurality of light-emitting elements, a color conversion layer on the light-emitting elements, and a low refractive layer on the color conversion layer, wherein the low refractive layer includes a monomer represented by Formula 1. In Formula 1, R 1 and R 3 may each independently be a substituted or unsubstituted alkyl group or hydrogen, R 2 may be a substituted or unsubstituted alkyl group having two or more carbon atoms, X a , X b , and X c may each independently be a curable functional group, and n and m may each independently be a natural number in a range of 1 to 5.
1. A display device comprising:
pixels, wherein the pixels comprise:
a plurality of banks wherein each bank includes an opening overlapping each of the pixels;
a plurality of light-emitting elements in the respective openings of the plurality of banks;
a color conversion layer on the light-emitting elements in the respective openings of the plurality of banks; and
a low refractive layer on a top surface of the color conversion layer and a top surface of the plurality of banks,
wherein the low refractive layer includes a monomer represented by Formula 1 below:
wherein, in Formula 1, R 1 and R 3 are each independently hydrogen, an alkyl group, or a substituted alkyl group, R 2 is an alkyl group or a substituted alkyl group having two or more carbon atoms, X a consists of at least one selected from a methacrylate group, an acrylate group, a vinyl group, and an epoxy group, X b , and X c are each independently a curable functional group, and n and m are each independently a natural number in a range of 1 to 5.
2. The display device of claim 1 , wherein the monomer is included in a content in a range of 3 wt % to 10 wt % with respect to 100 wt % of a solid content of the low refractive layer.
3. The display device of claim 1 , wherein the low refractive layer further includes hollow particles.
4. The display device of claim 3 , wherein the hollow particles are included in a content in a range of 10 wt % to 80 wt % with respect to 100 wt % of a solid content of the low refractive layer.
5. The display device of claim 1 , wherein the curable functional group of X b , and X c each independently includes at least one selected from a methacrylate group, an acrylate group, a vinyl group, and an epoxy group.
6. The display device of claim 1 , further comprising an inorganic layer between the color conversion layer and the low refractive layer.
7. The display device of claim 1 , further comprising a color filter layer overlapping the color conversion layer,
wherein the low refractive layer is between the color conversion layer and the color filter layer.
8. The display device of claim 7 , further comprising an inorganic layer between the color filter layer and the low refractive layer.
9. The display device of claim 8 , wherein the inorganic layer includes at least one selected from silicon oxide (SiO x ), silicon nitride (SiN x ), silicon oxynitride (SiO x N y ), aluminum oxide (AlO x ), and titanium oxide (TiO x ).
10. The display device of claim 1 , wherein the color conversion layer includes a base resin and quantum dots dispersed in the base resin.
11. The display device of claim 1 , wherein each of the light-emitting elements includes:
a first semiconductor layer;
a second semiconductor layer on the first semiconductor layer; and
an active layer between the first semiconductor layer and the second semiconductor layer.