Wavelength conversion member, back light unit, image display device, resin composition for wavelength conversion, and resin cured product for wavelength conversion
Provided are a wavelength conversion member including: a quantum dot phosphor; a white pigment including an organic substance layer that contains an organic substance, on at least a part of a surface of the white pigment; and a resin cured product including the quantum dot phosphor and the white pigment.
1. A wavelength conversion member, comprising:
a quantum dot phosphor;
a white pigment comprising an organic substance layer that includes an organic substance, on at least a part of a surface of the white pigment; and
a resin cured product comprising the quantum dot phosphor and the white pigment,
wherein the resin cured product comprises an alicyclic structure and a sulfide structure.
2. The wavelength conversion member according to claim 1 , wherein the white pigment has a metal oxide layer, comprising a metal oxide, on at least a part of the surface of the white pigment.
3. The wavelength conversion member according to claim 2 , wherein the metal oxide layer and the organic substance layer are provided in this order on the surface of the white pigment.
4. The wavelength conversion member according to claim 2 , wherein the metal oxide layer comprises:
a first metal oxide layer comprising silicon dioxide; and
a second metal oxide layer comprising aluminum oxide.
5. The wavelength conversion member according to claim 1 , wherein the organic substance comprises at least one of a polyol or an organic silane.
6. The wavelength conversion member according to claim 1 , wherein a content of the white pigment is from 0.1% by mass to 2.0% by mass with respect to a total amount of the resin cured product.
7. The wavelength conversion member according to claim 1 , wherein the white pigment comprises titanium oxide.
8. The wavelength conversion member according to claim 7 , wherein the titanium oxide comprises a rutile-type titanium oxide.
9. The wavelength conversion member according to claim 1 , wherein the white pigment has an average particle size of from 0.1 μm to 1 μm.
10. The wavelength conversion member according to claim 1 , wherein at least a part of the white pigment is present as primary particles.
11. The wavelength conversion member according to claim 1 , wherein a content of an inorganic substance other than the white pigment and the quantum dot phosphor is 0.5% by mass or less with respect to a total amount of the resin cured product.
12. The wavelength conversion member according to claim 1 , wherein the quantum dot phosphor comprises a compound containing at least one of Cd or In.
13. The wavelength conversion member according to claim 1 , wherein the wavelength conversion member is in a form of a film.
14. The wavelength conversion member according to claim 1 , wherein the wavelength conversion member is used for displaying an image.
15. The wavelength conversion member according to claim 1 , wherein the wavelength conversion member comprises a coating material that coats at least a part of the resin cured product.
16. The wavelength conversion member according to claim 15 , wherein the coating material has a barrier property with respect to at least one of oxygen or water.
17. A back light unit, comprising:
the wavelength conversion member according to claim 1 ; and
a light source.
18. An image display device, comprising the back light unit according to claim 17 .
19. A wavelength conversion member, comprising:
a quantum dot phosphor;
a white pigment comprising a metal oxide layer and an organic substance layer that includes an organic substance, the metal oxide layer and the organic substance layer being on at least a part of a surface of the white pigment; and
a resin cured product comprising the quantum dot phosphor and the white pigment,
wherein the metal oxide layer comprises a first metal oxide layer comprising silicon dioxide, and a second metal oxide layer comprising aluminum oxide.
20. The wavelength conversion member according to claim 19 , wherein the metal oxide layer and the organic substance layer are provided in this order on the surface of the white pigment.
21. The wavelength conversion member according to claim 19 , wherein the organic substance comprises at least one of a polyol or an organic silane.
22. The wavelength conversion member according to claim 19 , wherein a content of the white pigment is from 0.1% by mass to 2.0% by mass with respect to a total amount of the resin cured product.
23. The wavelength conversion member according to claim 19 , wherein the white pigment comprises titanium oxide.
24. The wavelength conversion member according to claim 23 , wherein the titanium oxide comprises a rutile-type titanium oxide.
25. The wavelength conversion member according to claim 19 , wherein the white pigment has an average particle size of from 0.1 μm to 1 μm.
26. The wavelength conversion member according to claim 19 , wherein at least a part of the white pigment is present as primary particles.
27. The wavelength conversion member according to claim 19 , wherein a content of an inorganic substance other than the white pigment and the quantum dot phosphor is 0.5% by mass or less with respect to a total amount of the resin cured product.
28. The wavelength conversion member according to claim 19 , wherein the quantum dot phosphor comprises a compound containing at least one of Cd or In.
29. The wavelength conversion member according to claim 19 , wherein the wavelength conversion member is in a form of a film.
30. The wavelength conversion member according to claim 19 , wherein the wavelength conversion member is used for displaying an image.
31. The wavelength conversion member according to claim 19 , wherein the wavelength conversion member comprises a coating material that coats at least a part of the resin cured product.
32. The wavelength conversion member according to claim 31 , wherein the coating material has a barrier property with respect to at least one of oxygen or water.
33. A back light unit, comprising:
the wavelength conversion member according to claim 19 ; and
a light source.
34. An image display device, comprising the back light unit according to claim 33 .
35. The wavelength conversion member according to claim 19 , wherein the first metal oxide layer, the second metal oxide layer, and the organic substance layer are provided in this order on the surface of the white pigment.