Process of making a solid state energy conversion device

The process of making a solid state energy conversion device for emitting blue electromagnetic radiation upon excitation by electrical energy, comprising the steps of:

• providing an n-type silicon carbide wide bandgap semiconductor material;
• applying aluminum dopant to a surface of the n-type silicon carbide wide bandgap semiconductor material;
• directing a thermal energy beam onto the n-type silicon carbide wide bandgap semiconductor material in the presence of the aluminum dopant atoms for converting a region within the n-type silicon carbide wide bandgap semiconductor material able to emit blue electromagnetic radiation upon excitation by electrical energy;
• and
• forming Ohmic conductors for exciting the region of the n-type silicon carbide wide bandgap semiconductor material with electrical energy.

The process of making a solid state energy conversion device for emitting blue-green electromagnetic radiation upon excitation by electrical energy, comprising the steps of:

• providing a n-type silicon carbide wide bandgap semiconductor material;
• applying boron dopant to a surface of the n-type silicon carbide wide bandgap semiconductor material;
• directing a thermal energy beam onto the n-type silicon carbide wide bandgap semiconductor material in the presence of the boron dopant atoms for converting a region within the n-type silicon carbide wide bandgap semiconductor material able to emit blue-green electromagnetic radiation upon excitation by electrical energy;
• and
• forming Ohmic conductors for exciting the region of the silicon carbide wide bandgap semiconductor material with electrical energy.

The process of making a solid state energy conversion device for emitting red electromagnetic radiation upon excitation by electrical energy, comprising the steps of:

• providing a n-type silicon carbide wide bandgap semiconductor material;
• applying chromium dopant to a surface of the n-type silicon carbide wide bandgap semiconductor material;
• directing a thermal energy beam onto the silicon carbide wide bandgap semiconductor material in the presence of the nitrogen dopant atoms for converting a region within the n-type silicon carbide wide bandgap semiconductor material able to emit red electromagnetic radiation upon excitation by electrical energy;
• and
• forming Ohmic conductors for exciting the region of the silicon carbide wide bandgap semiconductor material with electrical energy.

The process of making a solid state energy conversion device for emitting orange-red electromagnetic radiation upon excitation by electrical energy, comprising the steps of:

• providing a p-type silicon carbide wide bandgap semiconductor material;
• applying chromium dopant to a surface of the p-type silicon carbide wide bandgap semiconductor material;
• directing a thermal energy beam onto the silicon carbide wide bandgap semiconductor material in the presence of the chromium dopant atoms for converting a region within the p-type silicon carbide wide bandgap semiconductor material able to emit orange-red electromagnetic radiation upon excitation by electrical energy;
• and
• forming Ohmic conductors for exciting the region of the silicon carbide wide bandgap semiconductor material with electrical energy.

The process of making a solid state energy conversion device for emitting white electromagnetic radiation upon excitation by electrical energy, comprising the steps of:

• providing a p-type silicon carbide wide bandgap semiconductor material;
• applying chromium dopant and a nitrogen dopant to a surface of the p-type silicon carbide wide bandgap semiconductor material;
• directing a thermal energy beam onto the silicon carbide wide bandgap semiconductor material in the presence of the chromium and nitrogen dopant atoms for converting a region within the p-type silicon carbide wide bandgap semiconductor material able to emit white electromagnetic radiation upon excitation by electrical energy;
• and
• forming Ohmic conductors for exciting the region of the silicon carbide wide bandgap semiconductor material with electrical energy.

The process of making a solid state energy conversion device for emitting white electromagnetic radiation upon excitation by electrical energy, comprising the steps of:

• providing an n-type silicon carbide wide bandgap semiconductor material;
• applying chromium dopant and aluminum dopant to a surface of the n-type silicon carbide wide bandgap semiconductor material;
• directing a thermal energy beam onto the silicon carbide wide bandgap semiconductor material in the presence of the chromium and aluminum dopant atoms for converting a region within the n-type silicon carbide wide bandgap semiconductor material able to emit white electromagnetic radiation upon excitation by electrical energy;
• and
• forming Ohmic conductors for exciting the region of the silicon carbide wide bandgap semiconductor material with electrical energy.