C09D5/22

Quantum dots, a composition or composite including the same, and an electronic device including the same

A quantum dot including a core including a semiconductor nanocrystal including a Group III-V compound; and a first semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the first semiconductor nanocrystal shell including zinc, selenium, and optionally sulfur, and a second semiconductor nanocrystal shell disposed on the first semiconductor nanocrystal shell, the second semiconductor nanocrystal shell including zinc, sulfur, and optionally selenium, wherein the quantum dot does not include cadmium, an emission peak wavelength of the quantum dot is in a range of about 500 nanometers (nm) to about 550 nm, and an ultraviolet-visible absorption spectrum of the quantum dot includes a first exciton absorption peak and a second exciton absorption peak, a composition including the same, a composite, and an electronic device.

PHOTOINDUCED THERMOCHROMIC OR THERMOLUMINESCENT COMPOSITION

The present invention relates to a photoinduced thermochromic or thermoluminescent composition, comprising: a) nanoparticles capable of absorbing near-infrared (NIR) radiation and converting the NIR radiation into heat, in particular metal gold nanoparticles; b) one or more phase change materials (PCM) selected from the group consisting of: b1) a PCM capable of acting as chromic or fluorochromic promoter; and b2) a PCM uncapable of acting as chromic or fluorochromic promoter; c) one or more dyes selected from the group consisting of: c1) a dye capable of modifying its colour- or emission-properties when the PCM changes between the solid state and the liquid state; and c2) a dye uncapable of modifying its colour- or emission-properties when the PCM between the solid state and the liquid state; and articles containing it. It also relates to processes for their preparation and their uses in therapy, cosmetics, diagnostics, optics and anti-fake technology.

PHOTOINDUCED THERMOCHROMIC OR THERMOLUMINESCENT COMPOSITION

The present invention relates to a photoinduced thermochromic or thermoluminescent composition, comprising: a) nanoparticles capable of absorbing near-infrared (NIR) radiation and converting the NIR radiation into heat, in particular metal gold nanoparticles; b) one or more phase change materials (PCM) selected from the group consisting of: b1) a PCM capable of acting as chromic or fluorochromic promoter; and b2) a PCM uncapable of acting as chromic or fluorochromic promoter; c) one or more dyes selected from the group consisting of: c1) a dye capable of modifying its colour- or emission-properties when the PCM changes between the solid state and the liquid state; and c2) a dye uncapable of modifying its colour- or emission-properties when the PCM between the solid state and the liquid state; and articles containing it. It also relates to processes for their preparation and their uses in therapy, cosmetics, diagnostics, optics and anti-fake technology.

Photoluminescent coating material
11603476 · 2023-03-14 · ·

A photoluminescent coating material which contains: a hydrocarbon-based solvent (A) that has an aniline point of 40° C. or higher; a resin (B1) that is incompatible with the hydrocarbon-based solvent (A); a solvent (C) that is compatible with the hydrocarbon-based solvent (A) and the resin (B1) while having a lower boiling point than the hydrocarbon-based solvent (A); and a scale-like aluminum (D).

Photoluminescent coating material
11603476 · 2023-03-14 · ·

A photoluminescent coating material which contains: a hydrocarbon-based solvent (A) that has an aniline point of 40° C. or higher; a resin (B1) that is incompatible with the hydrocarbon-based solvent (A); a solvent (C) that is compatible with the hydrocarbon-based solvent (A) and the resin (B1) while having a lower boiling point than the hydrocarbon-based solvent (A); and a scale-like aluminum (D).

COMPOSITION COMPRISING SEMICONDUCTING LIGHT EMITTING NANOPARTICLES

The present invention relates to a composition and to a method of manufacturing a composition.

COMPOSITION COMPRISING SEMICONDUCTING LIGHT EMITTING NANOPARTICLES

The present invention relates to a composition and to a method of manufacturing a composition.

Coloured luminescent pigment, method for the production thereof and uses of same
11473011 · 2022-10-18 · ·

Disclosed is a colored luminescent composite pigment including an association of at least one luminescent pigment having an average particle size of between 50 and 2000 μm and at least one coloring agent. Also disclosed are compositions and materials including the pigment, to the method for the production thereof and to the use of same for coloring materials, particularly of a hydraulic binder composition.

Coloured luminescent pigment, method for the production thereof and uses of same
11473011 · 2022-10-18 · ·

Disclosed is a colored luminescent composite pigment including an association of at least one luminescent pigment having an average particle size of between 50 and 2000 μm and at least one coloring agent. Also disclosed are compositions and materials including the pigment, to the method for the production thereof and to the use of same for coloring materials, particularly of a hydraulic binder composition.

Color shifting film, and backlight unit and display device comprising same

The present specification relates to a color conversion film, and a backlight unit and a display device, including the same.