Thomas A. Edison of the United States invented the first commercially successful incandescent bulb around 1879. Incandescent lamps are what we regularly use in our homes.
1. Advantages of Incandescent bulbs
1). Cheap price
2). Easy to use, widely application.
3). Incandescent lamp"s light are similar to sunlight, soft white, CRI=100, good for eyes.
4). Incandescent bulb (including Halogen ) spectrum is continuous and average , with excellent CRI; while fluorescent lamp , LED products is a discrete spectrum with low CRI , low CRI light will not only fade fabrics and furnishings but also be harmful for healthy and vision.
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