Samsung Electronics Co. Ltd.. has  the production of a new series of "Middle Power" LEDs with the  Started LM561B designation. The new devices offer the industry's  highest efficiency and are suitable for use in many  LED lighting applications such as LED tubes,  LED ambient lighting, ceiling lights (downlights) and  Retrofit lamps. The new model LM561B offers a luminous efficiency of 160lm / W. This  is currently the world's highest attainable value for "mid power" LEDs with 65mA curr...