25 November 1992 Nonimaging optics of light-emitting diodes: theory and practice
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Several recent patents have described Hewlett Packard Optoelectronics Division light emitting diode, or LED, lamp designs. These designs have led to several innovative, mass produced products that are now on the market. These designs can be directly traced to the known principles of non-imaging optics, and can thus serve as a guide to solar optics fabrication.
© (1992) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Greg P. Smestad, "Nonimaging optics of light-emitting diodes: theory and practice", Proc. SPIE 1727, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XI: Selective Materials, Concentrators and Reflectors, Transparent Insulation and Superwindows, (25 November 1992); doi: 10.1117/12.130510; https://doi.org/10.1117/12.130510

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