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US 2009/0021148 A1Published application
Color converting material composition and color converting medium including same
AssigneeIdemitsu Kosan Co., Ltd.
InventorsSatoshi Hachiya, Junichi Katano
Life of this patent
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Abstract
A color converting material composition including: a light-transmissible matrix; a fluorescent semiconductor nanocrystal which absorbs at least light in a first wavelength region; and an organic fluorescent dye which absorbs at least light in a second wavelength region.
Claims11
1:
- A color converting material composition comprising:
- a light-transmissible matrix;
- a fluorescent semiconductor nanocrystal which absorbs at least light in a first wavelength region;
- and
- an organic fluorescent dye which absorbs at least light in a second wavelength region.
2 more elements
2:
- The color converting material composition according to claim 1, wherein the first wavelength region is 350 to 500 nm and the second wavelength region is 500 to 590 nm.
3:
- The color converting material composition according to claim 1 which converts the absorbed light to light in a wavelength region of 600 to 630 nm and radiates the converted light.
4:
- The color converting material composition according to claim 1, wherein the first wavelength region is 350 to 470 nm and the second wavelength region is 470 to 520 nm.
5:
- The color converting material composition according to claim 1 which converts the absorbed light to light in a wavelength region of 520 to 540 nm and radiates the converted light.
6:
- The color converting material composition according to claim 1, wherein the organic fluorescent dye is a compound having a perylene skeleton.
7:
- A color converting film comprising the color converting material composition according to claim 1.
8:
- A color converting substrate comprising:
- a substrate;
- and
- the color converting film according to claim 7 formed on the substrate.
1 more element
9:
- A color converting multi-layer stack comprising:
- a first color converting film which contains a first light-transmissible matrix and a fluorescent semiconductor nanocrystal which absorbs light in a first wavelength region;
- and
- a second color converting film which contains a second light-transmissible matrix and an organic fluorescent dye which absorbs light in a second wavelength region.
1 more element
10:
- A color converting substrate comprising:
- a substrate;
- and
- the color converting multi-layer stack according to claim 9 formed on the substrate.
1 more element
11-12. (canceled)