白熱電球の歴史(<特集>白熱電球130年の歴史と将来(白熱電球は本当に不要か?))

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Incandescent lamps were invented approximately 130 years ago, and the most intelligent brains of the Europe, US, and Japan worked on incandescent lamp improvements and new product developments. As a result, incandescent lamps came to dominate mainstream illumination systems. Although new light sources such as fluorescent lamps have emerged since then, incandescent lamps have been used everywhere in the world to this day for the unique warm color of their light, and for the cozy feeling they create that people associate with candles and kerosene lamps. However, the 130 year history of incandescent lamps is now coming to an close, due to the significant mission of global warming prevention. From a historical perspective, we are now entering an era of innovation that arrives approximately once every 60 years. It is the dawn of an era of LED illumination that takes advantage of solid-state lighting, which is different from combustion- or electrical-discharge-based lighting. Brilliant researchers and engineers are now starting to work on improvements and refinements of LED lights, the same way their predecessors did 130 years ago. The world will soon be illuminated by the glow of LEDs. This article gives an overview of the history of the incandescent lamp in Japan, and introduces the history of various technologies that supported the development of incandescent lamps.
2010-06-01