LED light coupler

<strong>Background</strong><br>

High-performance LEDs typically have a lens positioned right on top of the emitting surface. With this lens it is possible to emit more light from the LED. Unfortunately, this lens also prohibits attaching an optical component directly to the LED. Typical LEDs have a very broad solid angle of emission whereas waveguides typically have only a very small acceptance angle for light to be coupled into it. Therefore the coupling efficiency between an LED and a waveguide decreases as the distance between the components increases.<br><br> <strong>Technology</strong><br> We offer improved coupling efficiency by using a sleeve between the LED and the waveguide. This sleeve has an inner reflective surface in the shape of a truncated cone, allowing more light to be coupled into the waveguide, thereby increasing the coupling efficiency. A further advantage is that the position of the lens right above the LED can be varied relative to the sleeve, so that the divergence and intensity at the distal end of the waveguide can be adjusted and optimized as desired. The lens and sleeve are separate components which can be positioned relative to each other during the fabrication process. <br><br> <strong>Benefits</strong> <ul> <li>Increased coupling efficiency</li> <li>Adjustable divergence and intensity at distal end of waveguide</li> <li>Easy fabrication </li> </ul> <p><strong>IP Rights</strong><br> US patent application filed (05/2012) <br> <br> <strong>Patent Owner</strong><br> Technische Universität Berlin</p>

Weitere Informationen: PDF

ipal GmbH
Tel.: +49 (0)30/2125-4820

Ansprechpartner
Dr. Dirk Dantz

Media Contact

info@technologieallianz.de TechnologieAllianz e.V.

Alle Nachrichten aus der Kategorie: Technologieangebote

Zurück zur Startseite

Kommentare (0)

Schreib Kommentar

Neueste Beiträge

Klimawandel verursacht Artensterben im Schwarzwald

Schon heute hinterlässt der Klimawandel in den Mooren im Schwarzwald seine Spuren. Durch steigende Temperaturen und längere Trockenperioden sind dort in den vergangenen 40 Jahren bereits zwei typische Pflanzenarten ausgestorben….

Experiment bildet Elektronentransfer im Molekül ab

Wissenschaftlerinnen und Wissenschaftler der Friedrich-Schiller-Universität Jena entwickeln in dem neuen Projekt „Multiskalen Pump-Pump-Probe-Spektroskopie zur Charakterisierung mehrschrittiger Elektronentransferkaskaden“ (kurz: „Multiscale P3S“) eine bisher einzigartige Untersuchungsmethode, um genau unter die Lupe zu…

Leistungstest für neuronale Schnittstellen

Freiburger Forschende entwickeln Richtlinie zur einheitlichen Analyse von Elektroden Wie sollen Wissenschaftlerinnen und Wissenschaftler die Leistungsfähigkeit neuronaler Elektroden messen und definieren, wenn es keinen einheitlichen Standard gibt? Die Freiburger Mikrosystemtechnikerin…

By continuing to use the site, you agree to the use of cookies. more information

The cookie settings on this website are set to "allow cookies" to give you the best browsing experience possible. If you continue to use this website without changing your cookie settings or you click "Accept" below then you are consenting to this.

Close