Display device
A display device includes an optical region containing a plurality of pigment grains. Each of the plurality of pigment grains formed by a plurality of pigment molecules encapsulated in an inorganic material, and each of the plurality of pigment grains has a grain size not greater than 70 nm.
1. A display device comprising:
an optical region containing a plurality of pigment grains, each of the plurality of pigment grains being formed by a plurality of pigment molecules encapsulated in an inorganic material;
wherein each of the plurality of pigment grains has a grain size not greater than 70 nm;
wherein the plurality of pigment molecules are aggregated in each of the plurality of pigment grains;
wherein each of the plurality of pigment molecules is an organic compound having at least one nitrogen atom therein;
wherein each of the plurality of pigment molecules is modified chemically to be soluble in an organic hydrophobic solvent before encapsulation thereof in the inorganic material; and
wherein the chemically modified molecular structure thereof is converted into an original molecular structure thereof by energy transfer.
2. A display device comprising:
an optical region containing a plurality of pigment grains, each of the plurality of pigment grains being formed by a plurality of pigment molecules encapsulated in an inorganic material;
wherein each of the plurality of pigment grains has a grain size not greater than 70 nm; and
wherein the inorganic material is silica.
3. The display device according to claim 1 , wherein the optical region containing the plurality of pigment grains is a light emitting layer formed on each of a plurality of pixels.
4. The display device according to claim 2 , wherein the optical region containing the plurality of pigment grains is a light emitting layer formed on each of a plurality of pixels.