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2014.05.27

产品信息

Development of LEDs for lighting ‘COB Series, Version 3’-These high-wattage LEDs have achieved the world’s highest level of luminous flux and obtained a UL Standard (North American safety standard) certification of compliance.-
2013.04.05

产品信息

Development of LEDs for lighting, “COB Series, Version 2”-Luminous flux and luminous efficacy are improved by up to 33% and 38% respectively and high luminous flux of 20,190 lm is achieved.-
2011.10.19

产品信息

The world´s first LED for lighting providing luminous flux of 17,675 lm has been developed. Eleven types, including five packages, cover the brightness range from a 10W incandescent bulb to a 300W mercury lamp. High luminous efficacy of 155 lm/W is also achieved
2011.03.02

产品信息

Development of LED lighting modules with built-in AC drive circuits capable of being driven directly by the general power supply (AC power source)- Expansion into the module business -
2010.10.21

产品信息

Development of white LEDs for lighting: 'CL-L330 (26W)' and 'CL-L340 (41W)' featuring the world's hi
2010.03.03

产品信息

A chromaticity control standard "3-Step MacAdam ellipses"is implemented in mass production of white
2007.09.04

产品信息

Development of high power white LED for illumination
2006.04.12

产品信息

Innovative Product: Development of Heart-shaped directional characteristics LED Backlight Unit for LCD
2006.04.17

产品信息

Citizen established a new production base in Nanjing, China
2006.06.06

产品信息

Development of Reflow Solderable Electret Condenser Microphone
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