An integrated miniature projector that can display images on a much larger surface than existing displays is the next giant leap for smartphones and cameras. This is known as embedded projection and uses LEDs as the light source. The greatest challenge so far for lighting technology has been the limited efficiency of the green light emitting diodes. This is because high brightness is essential if the projected image will be seen with ambient light. The Osram Ostar Projection Cube from Osram Opto Semiconductors is the perfect answer.
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