Invention Grant
- Patent Title: Persistent phosphor
- Patent Title (中): 持久荧光粉
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Application No.: US13075477Application Date: 2011-03-30
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Publication No.: US08545723B2Publication Date: 2013-10-01
- Inventor: Holly Ann Comanzo , Alok Mani Srivastava , William Winder Beers , Sergio Martins Loureiro , Anant Achyut Setlur , Stanley John Stoklosa , Claire Susan Henderson
- Applicant: Holly Ann Comanzo , Alok Mani Srivastava , William Winder Beers , Sergio Martins Loureiro , Anant Achyut Setlur , Stanley John Stoklosa , Claire Susan Henderson
- Applicant Address: US NY Niskayuna
- Assignee: General Electric Company
- Current Assignee: General Electric Company
- Current Assignee Address: US NY Niskayuna
- Agent Mary Louise Stanford
- Main IPC: C09K11/55
- IPC: C09K11/55 ; C09K11/64
Abstract:
A persistent phosphor of formula I is provided, along with methods for making and using the phosphor: AxAlyO4:Euj, REk, Bm, Znn, Coo, Scp I wherein: A is Ba, Sr, Ca, or a combination of these metals; x is greater than about 0.75 and less than about 1.3; y is greater than or equal to about 1.6 and less than or equal to 2; j is greater than about 0.0005 and less than about 0.1; k is greater than about 0.0005 and less than about 0.1; m is greater than or equal to 0 and less than about 0.30; n is greater than 0 and less than about 0.10; o is greater than 0 and less than about 0.01; p is greater than 0 and less than about 0.05; and RE is Dy, Nd, or a combination thereof. Applications for such phosphors include use in toys, emergency equipment, clothing, and instrument panels, among others.
Public/Granted literature
- US20110175029A1 PERSISTENT PHOSPHOR Public/Granted day:2011-07-21
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