Nichia announced a series of LED red phosphor patent

Japan LED maker Nichia chemical industries in Japan before announced on LED with a series of patented red fluorescent powder. The patent has been applied in Japan, the United States, Europe, China, Korea and Taiwan.

Nichia said that as of June 7, 2010, with CaAlSiN3:Eu as the basic composition of LED red phosphor has achieved 15 patents including patents, registration no.. Part of the patent registration number is as follows: JP4414821, JP4415065, JP4422653, JP4511849, JP4511885, US7252788, US7273568, US7432647, US7476337, US7476338, EP1568753, EP1630219.

The company pointed out that the patent has been authorized to use any other company, without Nichia authorization, CASN phosphor, phosphor S-CASN and phosphor by using the LED but was a lot of manufacturing and sale, so inform the relevant industry must respect the Nichia patent right.