×

Nitride phosphor and production process thereof, and light emitting device

  • US 20090309485A1
  • Filed: 05/14/2009
  • Published: 12/17/2009
  • Est. Priority Date: 03/22/2002
  • Status: Active Grant
First Claim
Patent Images

1. A process for production of a nitride phosphor which contains at least nitrogen, and absorbs at least a portion of light having a first luminescence spectrum and emits light having a second luminescence spectrum which is different from the above-mentioned first luminescence spectrum;

  • is characterized by having a step of firing in ammonia atmosphere.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×