Color conversion panel having blue light cutting filter and display device including the same
View Patent ↗An exemplary embodiment of the present disclosure provides a color conversion display panel including: a light blocking member and a blue light cutting filter disposed on a color conversion substrate; a first color conversion layer and a second color conversion layer disposed on the blue light cutting filter to include nanocrystals; and a transmission layer disposed on the color conversion substrate, wherein the blue light cutting filter overlaps side surfaces of the first color conversion layer, the second color conversion layer, and the transmission layer.
1. A color conversion display panel comprising:
a blue light cutting filter directly disposed on a color conversion substrate;
a light blocking member directly disposed on the color conversion substrate;
a first color conversion layer and a second color conversion layer comprising nanocrystals; and
a transmission layer disposed on the color conversion substrate,
wherein the first color conversion layer and the second color conversion layer are disposed on the blue light cutting filter,
wherein the blue light cutting filter includes at least two regions having different thicknesses, and the at least two regions are integrally coupled to each other, and
wherein the blue light cutting filter continuously extends to overlap the first color conversion layer and the second color conversion layer.
2. The color conversion display panel of claim 1 , wherein the light blocking member includes at least two regions having different thicknesses.
3. The color conversion display panel of claim 1 , wherein the light blocking member has a first region having a first thickness and a second region having a second thickness,
the first thickness corresponds to a distance between two surfaces of the light blocking member in parallel with the color conversion substrate in the first region,
the second thickness corresponds to a distance between two surfaces of the light blocking member in parallel with the color conversion substrate in the second region, and
the second thickness is greater than the first thickness.
4. The color conversion display panel of claim 3 , wherein the second thickness is about 1.1 times to about 2 times the first thickness.
5. The color conversion display panel of claim 3 , wherein the blue light cutting filter includes a third region having a third thickness and a fourth region having a fourth thickness,
the third thickness corresponds to a distance between two surfaces of the blue light cutting filter in parallel with the color conversion substrate in the third region,
the fourth thickness corresponds to a distance between two surfaces of the blue light cutting filter in parallel with the color conversion substrate in the fourth region, and
the fourth thickness is greater than the third thickness.
6. The color conversion display panel of claim 5 , wherein the fourth thickness is about 1.1 times to about 2 times the third thickness.
7. The color conversion display panel of claim 5 , wherein the second region and the fourth region are disposed between the first color conversion layer and the second color conversion layer that are adjacent to each other, and between one of the first color conversion layer and the second color conversion layer and the transmission layer that are adjacent to each other.
8. The color conversion display panel of claim 1 , further comprising:
an overcoat layer disposed on the first color conversion layer, the second color conversion layer, and the transmission layer.
9. A display device comprising:
a lower display panel configured to include a thin film transistor; and
a color conversion display panel configured to overlap the lower display panel,
wherein the color conversion display panel comprises:
a blue light cutting filter disposed between a color conversion substrate and the lower display panel and comprising a first region that overlaps the first color conversion layer and a second region that overlaps the second color conversion layer, wherein the first region and the second region have different thicknesses and are integrally coupled to each other;
a first color conversion layer and a second color conversion layer disposed between the blue light cutting filter and the lower display panel and comprising nanocrystals; and
a transmission layer disposed between the color conversion substrate and the lower display panel.
10. The display device of claim 9 , wherein the color conversion display panel further comprises a light blocking member disposed between the color conversion substrate and the lower display panel, and the light blocking member includes at least two regions having different thicknesses.
11. The display device of claim 10 , wherein the light blocking member has a first region having a first thickness and a second region having a second thickness,
the first thickness corresponds to a distance between two surfaces of the light blocking member in parallel with the color conversion substrate in the first region,
the second thickness corresponds to a distance between two surfaces of the light blocking member in parallel with the color conversion substrate in the second region, and
the second thickness is greater than the first thickness.
12. The display device of claim 11 , wherein the second thickness is about 1.1 times to about 2 times the first thickness.
13. The display device of claim 11 , wherein the blue light cutting filter includes a third region having a third thickness and a fourth region having a fourth thickness,
the third thickness corresponds to a distance between two surfaces of the blue light cutting filter in parallel with the color conversion substrate in the third region,
the fourth thickness corresponds to a distance between two surfaces of the blue light cutting filter in parallel with the color conversion substrate in the fourth region, and
the fourth thickness is greater than the third thickness.
14. The display device of claim 13 , wherein the fourth thickness is about 1.1 times to about 2 times the third thickness.
15. The display device of claim 13 , wherein the second region and the fourth region overlap each other, and
the second region and the fourth region are disposed between the first color conversion layer and the second color conversion layer that are adjacent to each other, and between one of the first color conversion layer and second color conversion layer and the transmission layer that are adjacent to each other.
16. The display device of claim 9 , further comprising:
an overcoat layer disposed on the first color conversion layer, the second color conversion layer, and the transmission layer.
17. The display device of claim 16 , wherein the lower display panel includes a pixel electrode connected with the thin film transistor.