Phosphor blends for high-CRI fluorescent lamps

Patent · Tue Jun 24 00:00:00 EDT 2008

OSTI ID:983024

Setlur, Anant Achyut ^[1]; Srivastava, Alok Mani ^[1]; Comanzo, Holly Ann ^[1]; Manivannan, Venkatesan ^[2]; Beers, William Winder ^[3]; Toth, Katalin ^[4]; Balazs, Laszlo D ^[5]

---

1. Niskayuna, NY
2. Clifton Park, NY
3. Chesterland, OH
4. Pomaz, HU
5. Budapest, HU

A phosphor blend comprises at least two phosphors each selected from one of the groups of phosphors that absorb UV electromagnetic radiation and emit in a region of visible light. The phosphor blend can be applied to a discharge gas radiation source to produce light sources having high color rendering index. A phosphor blend is advantageously includes the phosphor (Tb,Y,LuLa,Gd).sub.x(Al,Ga).sub.yO.sub.12:Ce.sup.3+, wherein x is in the range from about 2.8 to and including 3 and y is in the range from about 4 to and including 5.

• Research Organization: General Electric Co., Boston, MA (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: FC26-99FT40632
• Assignee: General Electric Company (Niskayuna, NY)
• Patent Number(s): 7,391,148
• Application Number: 10/064,129
• OSTI ID: 983024
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY