Nichia pushed 100 lumens per watt white LED production in December

Nichia day ago developed a luminous efficiency of white light emitting diode 100lm/W (LED), in June 2006 began to supply samples. In December this year, mass production. From the luminous efficiency, the performance of more than the popularity of fluorescent lamps, and luminous efficiency can be higher varieties. 2005, the company had said before and after the mass production of 100lm/W products in. The announcement of the mass production time ahead of 3 to 4 years. Nichia will supply samples of white LED can get 6lm luminous flux in the input current of 20mA. Belonging to the input power is only 0.06W small power varieties.

Nichia served in the conference on the release of 113lm/W white LED products. Due to the development of key technologies are being carried out smoothly, coupled with this year will be the 50 anniversary of the establishment of the company, and therefore decided to put into production 100lm/W products.

In order to achieve the luminous efficiency of 100lm/W, Nichia chemical industry improved shape and electrode structure of the blue LED chip white LED, with YAG yellow fluorescent material chip, and the 4 key technology of package shape. "These improvements have been steadily advancing long ago. The results can be said to be the epitome of previous work. The key technology in the specific aspects and not what breakthrough "(executive director of Nichia four house source city). For the luminous efficiency of 150lm/W, the estimation can be achieved by optimizing the key technology used to achieve this goal.

At the same time to improve the luminous efficiency, but also in the white light on the tone of a kung fu. The average color rendering index (Ra) of more than 80 was obtained by modifying the additive of YAG fluorescent material. Generally speaking, in the use of the blue LED chip white LED in order to improve the color rendering, usually by adding red or green fluorescent material, or will replace the yellow fluorescent material with green and red material technique.

Nichia said: "in order to get more than 90 Ra white LED, fluorescent material must be changed fundamentally. However, Ra more than 90 of the general purpose of the use of art products such as lighting limited. The Ra is only 80 to reach the market size is very large. Therefore, through the class YAG fluorescent materials on the effort to meet the market requirements."