A light emitting film including a plurality of quantum dots and an electronic device including the same. The plurality of quantum dots constitute at least a portion of a surface of the light emitting film, the plurality of quantum dots do not include cadmium, and the at least a portion of a surface of the light emitting film includes a metal halide bound to at least one quantum dot of the plurality of quantum dots.

An optical member for a multi-panel display device according to an embodiment includes a first optical member located on a first display device and including optical fibers, a second optical member located on a second display device neighboring the first display device and including optical fibers, and an optical fiber triangular bar located to overlap a region where the first and second optical members are adjacent to each other, and including optical fibers, wherein each of the first and second optical members includes a chamfer portion corresponding to the optical fiber triangular bar at the region where the first and second optical members are adjacent to each other.

An infrared radiation-emitting resin composition includes an infrared radiation-emitting material and a resin. The infrared radiation-emitting material includes a titanium dioxide, a calcined hydrotalcite-like compound, and a nano-sized diamond. In the infrared radiation-emitting material, the mass ratio between the titanium dioxide and the calcined hydrotalcite-like compound is 60:40 to 90:10, while the content of the nano-sized diamond is 0.01 parts by mass or more and 0.5 parts by mass or less with respect to 100 parts by mass of the sum of the titanium dioxide and the calcined hydrotalcite-like compound.

A method for preparing a light sensitive particle that uses at least one metal precursor material and at least one dopant precursor material mixed in solution absent a surfactant. Upon an optional adjustment of pH to about 3 to about 6, a light-sensitive particle comprising a metal-dopant material may be formed and separated from the solution. The light-sensitive particle may comprise a Q-dot particle. Also described are the particles themselves.

A process of synthesizing GaSe nanocrystals is provided, the process including: contacting a first precursor containing gallium with a second precursor containing selenium to obtain a GaSe single precursor; and reacting the GaSe single precursor in a solvent in the presence of a ligand compound, and optionally with a third precursor including an element (A) other than gallium and selenium, to prepare a GaSe nanocrystal represented by Chemical Formula 1:

GaSe.sub.xA.sub.y[Chemical Formula 1] wherein x is about 1.1 to 3, and y is about 0.1 to 4.

A process of synthesizing GaSe nanocrystals is provided, the process including: contacting a first precursor containing gallium with a second precursor containing selenium to obtain a GaSe single precursor; and reacting the GaSe single precursor in a solvent in the presence of a ligand compound, and optionally with a third precursor including an element (A) other than gallium and selenium, to prepare a GaSe nanocrystal represented by Chemical Formula 1:
GaSe.sub.xA.sub.y [Chemical Formula 1] wherein x is about 1.1 to 3, and y is about 0.1 to 4.

A method of synthesis of two-dimensional (2D) nanoparticles comprises combining a first nanoparticle precursor and a second nanoparticle precursor in one or more solvents to form a solution, followed by heating the solution to a first temperature for a first time period, then subsequently heating the solution to a second temperature for a second time period, wherein the second temperature is higher than the first temperature, to effect the conversion of the nanoparticle precursors into 2D nanoparticles. In one embodiment, the first nanoparticle precursor is a metal-amine complex and the second nanoparticle precursor is a slow-releasing chalcogen source.

Provided are a light-emitting instrument, and an image display device utilizing an AlON phosphor and having wide color gamut. The light-emitting instrument includes an emission source emitting light having a wavelength from 410 nm to 470 nm and a phosphor or a light-transmitting body where the phosphor is dispersed, and the phosphor includes an inorganic compound where an AlON crystal, an AlON solid solution crystal, or an inorganic crystal having a crystal structure identical to AlON includes at least Mn, an A element(a monovalent metal element) it necessary, a D element (a divalent metal element) if necessary, an E element (a monovalent anion) if necessary, and a G element (one or more elements other than Mn, the A, Al, O, N, the D, or the E) if necessary, and emits fluorescence having a peak wavelength from 515 nm to 541 nm upon irradiation of an excitation source.

A method for preparing semiconductor nanocrystals includes reacting one or more semiconductor nanocrystal precursors in a liquid medium in the presence of a boronic compound at a reaction temperature resulting in semiconductor nanocrystals. Semiconductor nanocrystals are also disclosed.

An optical member for a multi-panel display device according to an embodiment includes a first optical member located on a first display device and including optical fibers, a second optical member located on a second display device neighboring the first display device and including optical fibers, and an optical fiber triangular bar located to overlap a region where the first and second optical members are adjacent to each other, and including optical fibers, wherein each of the first and second optical members includes a chamfer portion corresponding to the optical fiber triangular bar at the region where the first and second optical members are adjacent to each other.