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A newly LED light source inclusive primary optics was developed with brightness levels suitable for future RPTV devices. Discussed are the crucial components for the performance of this LED package as the underlying chip technology, the suitable package design and the fitting primary optics. Presented as well are the benefits of using a LED light source in RPTV application.

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Good primary optics for LEDs are crucial for applications that work technically and economically. But what is "good"? For various optical design patterns, we look at the complex interplay between optics, manufacturing, tolerancing, lifetime and cost.

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