Indium(III) nitride is primarily used in the semiconductor industry for the development of high-performance electronic and optoelectronic devices. It is a key material in the fabrication of light-emitting diodes (LEDs), particularly those emitting in the blue and ultraviolet spectrum, due to its wide bandgap and efficient light emission properties.

Additionally, it is utilized in the production of solar cells, where its ability to absorb a broad range of sunlight wavelengths enhances energy conversion efficiency. Indium(III) nitride is also explored in the field of high-frequency and high-power electronic devices, such as transistors, due to its excellent thermal stability and electrical conductivity.

In research, it is studied for potential applications in quantum dots and other nanoscale technologies, leveraging its unique electronic properties for advanced computing and communication systems.