Today, 145 years ago, on January 27, 1880 (December 16, 1879), Thomas Edison filed an electric lamp patent. On January 27, 1880, Thomas Edison filed an electric lamp patent. On October 22, 1879, Edison lighted the first electric lamp with a truly widespread practical value. In order to extend the life of the lamp, he re-experimented and tried about 6,000 fiber materials to find new inventions¡ªJapanese bamboo, lasting more than 1000 hours, and achieved a durable purpose. Thomas Alvarez Edison (1847-1931) was a world-renowned American electrical scientist and inventor, in addition to his contribution to the invention of sound engines, electric lights, telephones, telegrams, films and other inventions and, in the fields of mining, architecture, electrical engineering