Toshiba Corporation announced the launch of white LEDs fabricated with gallium nitride-on-silicon (GaN-on-Si) process. The LEDs are low power sub-watt type and ideal for indoor lighting applications, due to reduction of forward voltage (VF).
The Sub-Watt Type White LEDs consist of two package line-ups, the TL2FK series with 3.0 × 1.4mm package and the TL3GA series with 3.0 × 3.0mm package, will be made available. It is believed that the Sub-Watt Type White LEDs will be widely used as light sources for general lighting applications Straight tubes, light bulbs, main lighting, ceiling lighting, etc. In addition, mass production is scheduled to start from August, 2013.
Source:
http://www.ledinside.com/news/2013/7/toshiba_releases_sub_watt_type_white_leds_20130730