Small laser light sources could be the future of mobile video projection
Mobile phones equipped with the laser light source can be within the ordinary consumer’s reach already in a few years. Small-size laser projectors 1-2 centimetres in length can be integrated into many kinds of electronic appliances, such as digital or video cameras, gaming devices and mobile phones. Integrated micro projectors could, in practice, project images the size of an A3 sheet of paper on a wall. The challenge is to develop a small, energy-efficient and luminous three-colour (RGB) light source whose manufacturing costs can be kept low, for use in the projectors. Solutions for these challenges are sought in a project combining Finnish know-how, whose parties are VTT, EpiCrystals and the Aalto University. EpiCrystals’ laser modules will be mass-produced in Asia, but the research and development will remain in Finland also in the future. The VTT, EpiCrystals and Aalto University project has received funding from the Finnish Funding Agency for Technology and Innovation Tekes, among others.
Visit VTT Technical Research Centre of Finland at www.vtt.fi
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