Disclosed is a method and apparatus for providing a solid state light emitter and driving circuitry integrated into a component module that will retrofit common incandescent light bulb applications. The disclosed embodiment is directed to the retrofitting of small flashlights using miniature bulbs, such...http://www.google.se/patents/US7448770?utm_source=gb-gplus-sharePatent US7448770 - Replacement illumination device for a miniature flashlight bulb
