Citizen Electronics with head quarter in Japan, was found in 1970, is the first COB LED manufacturer, which offers those LEDs since 2003 and is developing continuous new products.
To offer a direct support to the European customers Citizen established C-E Deutschland GmbH, Frankfurt in 1999.
The portfolio of Citizen includes COB LEDs up to 180 W and SMD LEDs up to 1W.
For all of the LEDs they are using high class Nichia Chips to guarantee the Citizen quality standards.
http://ce.citizen.co.jp/lighting_led/en/