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Cluster Report Photonics in the Capital Region Berlin-Brandenburg

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32 Cluster Report Optics and Photonics – Lighting Technology OLIGO surface controls GmbH in Lenzen (Elbe) is well known for its visual and digital systems for high-precision surface inspection and for its colour matching systems which detect colour differences on individual parts and finished products. Leading global companies in different sectors such as automotive, plastics, ceramics, and paper are using this technology which allows unevenness and small defects to be repaired at any time in the production process. (Liquid Crystal on Silicon) cells for the UV and SWIR bands as part of the PALM project (Photonic Applications for Spatial Light Modulators). PALM is a ProFIT project and co-financed by EU funds. Holoeye Photonics is a specialist for diffractive optical elements and microdisplays. ColVisTec AG, founded in 2009 in Berlin-Adlershof, develops, produces and distributes process monitoring systems with fine-resolution spectrophotometers for inline colour measurement. The technology allows direct, continuous measurements of materials in liquid, paste, powder, or molten form at any time during the manufacturing process and at operating temperatures of up to 400 °C (750 °F) and 345 bar. Thus, inline colour measurement is directly possible on an extruder. Applications for inline technology include extruders used in plastics processing, paint and coatings manufacturing, the food industry, and in processes involving chemical reactions. From theory to application Several institutes are addressing complex problems associated with the further development of LED technology. In Berlin, for example, the Fraunhofer Institute for Reliability and Microintegration IZM is researching an abundance of individual projects. They are trying to improve the heat dissipation of individual and packaged LEDs, as well as increase their performance, service life, and efficiency. They are working on new standards for their construction, connection, and assembly and are trying to make production processes as efficient as possible. The IZM is also working on innovative optoelectronic applications as well as plasmonic and 3D photonic systems. Together with the Berlin-based Holoeye Photonics AG, the Fraunhofer IZM is working on the development of LCOS Covert Science GmbH is a Berlin-based start-up that develops LED-based flexible and textile-based opto-electronic solutions. Founded in 2018, the company offers solutions in the areas of flexible power electronics, optical encapsulation processes, and non-imaging optics as well as electronis systems on non-standard substrates including textiles and thermoplastics. Covert Science partners extensively with research institutions such as the Fraunhofer IZM. The scientists at the Fraunhofer Institute for Applied Polymer Research IAP in Potsdam-Golm are working on the fundamentals of lighting technology. The researchers are looking for new polymer materials and basic processes that can be used for the LEDs and OLEDs of the future. The spectrum ranges from the development of materials with semiconducting characteristics to chromium-bearing, phototropic, and luminous polymers for processing into OLEDs. Various printing processes are used on a pilot system to produce organic solar cells and OLEDs at low cost. The Fraunhofer IAP has joined forces with Germany’s leading mechanical engineering companies in this field to form the German OLED Technology Alliance (GOTA). One of the leading institutes in the field of optoelectronics and microwave technology is the Ferdinand-Braun-Institut, Leibniz-Institut fuer Hoechstfrequenztechnik (FBH). Researchers at FBH are also developing new nitride-based laser diodes and UV light-emitting diodes, especially for the UV-B and UV-C spectral range. The LEDs are suitable, for example, for the use as surface treatments or to illuminate plants.

Cluster Report Optics and Photonics – Lighting Technology 33 diodes (UV-LEDs) as single chips and as fully assembled devices. The product portfolio covers the wavelength ranges UV-B (280 nm to 320 nm) and UV-C (< 280 nm). In addition to customer-specific UV-LED solutions, UVphotonics also offers services and consulting for the integration of innovative LED systems into the products of its industrial customers Short Distances and Good Networking UV-B module for plant irradiation with various LEDs: UV (310 nm), blue (451 nm), red (660 nm). The LEDs can be adjusted separately to provide the optimal light to grow healthy plant substances (close-up: LED) © FBH/P. Immerz The Joint Lab GaN Optoelectronics of FBH and TU Berlin is developing innovative light emitters based on group III nitrides. The material system AlN-GaN-InN covers an extraordinarily large wavelength range, covering the entire visible spectral range as well as far ultraviolet and near infrared. The FBH-led Advanced UV for Life Consortium is an alliance of companies and research institutions dedicated to the development and application of UV LEDs with the aim of advancing the technical development, availability, and use of UV LEDs on a broad scale. Central concerns are the replacement of the still dominant mercury-based lighting systems with UV LEDs and opening up of new applications, for example in water disinfection and sterilisation, medicine, sensor technology, plant cultivation, and printing technology. The wide range of activities related to lighting technologies in the region are well organised and networked. Lighting technology is one of the six identified focus areas in the Berlin Brandenburg Photonics Cluster. The regional industry association OpTecBB e. V. in collaboration with the Berlin Brandenburg section of German Lighting Technology Society (Deutsche Lichttechnische Gesellschaft – LiTG) has led the way in developing this focus area for the cluster with its spokesperson Prof. Stephan Völker of the Chair of Lighting Technology, TU Berlin. Together, exchanges of experience and workshops will be organised in which, for example, innovative lighting concepts using LED technology are discussed. Research institutions such as OUT e. V., Fraunhofer IZM, and Fraunhofer IAP and companies such as FutureLED and Selux organise and support seminars and expert discussions that are well received by all stakeholders. This healthy spirit of cooperation is one of the region’s greatest strengths. Thanks to the diversity in local expertise, geographically concentrated like this nowhere else, Berlin can still call itself the “City of Light”. Contact: Prof. Dr.-Ing. Stephan Völker The UVphotonics NT GmbH is the corresponding spin-off of the Ferdinand-Braun-Institut, Leibniz-Institut fuer Hoechstfrequenztechnik (FHB) in Berlin and the Institute for Solid State Physics at TU Berlin. UVphotonics develops and distributes highly efficient and reliable ultraviolet light-emitting Spokesperson Focus Area Lighting Technology Phone: +49 (0)30 31422277 E-mail:

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