Highly Efficient Light Emitters – The Root to Green Laser

<strong>Background</strong><br>

The emission of green laser light is of great importance for several applications and procedures in biology, medicine and multimedia. A powerful green laser could revolutionize the market for portable beamers. So far, semiconductor based light emitters, such as laser pointers, convert infrared light by frequency doubling into green light. A significant drawback of this technique is the loss of power and efficiency.</p> <p class=“MsoNormal“ style=“margin-bottom: 0.0001pt;“><strong>Technology</strong><br> We offer green light emitting semiconductor devices including for example a green laser. The use of ZnCdO as a semiconductor material allows direct emission of green light without frequency doubling.<br><br> <b>Benefits:</b><br> <ul> <li><span style=“display: none;“ id=“1314277319096S“> </span>Direct Green light emission (band gap 2.2 eV – 2.5 eV)</li> <li>No frequency doubling involved</li> <li>No loss of efficiency</li> <li>High degree of crystalline perfection</li> <li>High stable semiconductor material</li> <li>Small, low cost device</li> </ul> <br> <strong>IP Rights</strong><br> German Patent Application<br> <br> <strong>Patent Owner</strong><br> Humboldt-Universität zu Berlin, Germany

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