1973, Dien Quang Lamp Company was established.
1979, Dien Quang Lamp Factory was formed by merging Den Ong Factory (Bien Hoa), Glass Manufacturer (Bien Hoa) and Incandescent Lamp Factory (Hochiminh City).
1989, to base on a construction of Dien Quang Lamp Factory owned by Union of Ceramic and Glass Factory II, Ministry of Light Industry set up Union of Dien Quang Lamp Factory.
1991, Ministry of Light Industry renamed Union of Dien Quang Lamp Factory into Dien Quang Lamp Company.
1997, Dien Quang started exporting overseas.
2000, Dien Quang begun producing energy-saving compact lamps.
2005, the company changed their structure to become Dien Quang Lamp Joint Stock Company.
2007, following the trend of modern lighting and new purchase, Dien Quang started researching and investing production line for LED lamps.
2008, Dien Quang Lamp Joint Stock Company signed joint venture agreement with Venezuela Industry and Petroleum Enterprise to construct Energy Saving Lamp Production Union Zone which covered 80,000 square metres at the Paraguana Industrial, Commercial and Services Free Zone in Punto Fijo, Phancon (Fancon) state, Venezuela.
Dien Quang Lamp Joint Stock Company officially listed company stocks on Ho Chi Minh City Stock Exchange (HOSE), securities code DQC.
2012, Energy Saving Lamp Production Union Zone officially started operation.
2013, Dien Quang Lamp Joint Stock Company celebrated 40 years of beginning and development. Being rewarded The Second Independence Medal.
2015, Dien Quang initiated a software of lighting consulting – designing and continued investing advanced SMT machine under Japanese technology.