A semiconductor light source for illuminating a physical space has been invented. In various embodiments of the invention, a semiconductor such as and LED chip, laser chip, LED chip array, laser array, an array of chips, or a VCSEL chip is mounted on a heat sink. The heat sink may have multiple panels...http://www.google.ca/patents/US6634770?utm_source=gb-gplus-sharePatent US6634770 - Light source using semiconductor devices mounted on a heat sink
