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Phosphor materials

Assignee: Freeslate Inc
•
Filing: 1998-02-05
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Granted: 2000-01-11
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Expires: 2018-02-05
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Abstract

Abstract This invention relates generally to new luminescent materials. Specifically, this invention relates to the discovery of phosphor materials in the forms of A 2 BX 4 , ABX 4-y :M and A 3-z B 5 X 12 :M z . More specifically, this invention relates to the discovery of phosphor materials having compositions of matter in the forms, Sr 2 CeO 4 , (Y 0 .82 Al 0 .07 La 0 .06)VO 4 :Eu 0 .05 and (Y 0 .5 Gd 0 .5) 2 .97 (Al 0 .5 Ga 0 .5) 5 O 12 :CeO 0 .03.

Inventors

  • 👤 Eric McFarland
  • 👤 Earl Danielson
  • 👤 Martin Devenney
  • 👤 Casper Reaves
  • 👤 Daniel M. Giaquinta
  • 👤 Damodara M. Poojary
  • 👤 Xin Di Wu
  • 👤 Josh H. Golden

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 09:00
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/0046; B82; B82Y; B82Y25/00; C; C09; C09K; C09K11/00; C09K11/08; C09K11/77; C09K11/7715; C09K11/7716; C09K11/7718; C09K11/7766; C09K11/7774; C09K11/7783; C09K11/7794; B01J2219/00; B01J2219/00274; B01J2219/00277; B01J2219/00351; B01J2219/00427; B01J2219/0043; B01J2219/00436; B01J2219/00443; B01J2219/00445; B01J2219/00497; B01J2219/00527; B01J2219/00536; B01J2219/00583; B01J2219/00585; B01J2219/00596; B01J2219/00603; B01J2219/00605; B01J2219/00612; B01J2219/00632; B01J2219/00637; B01J2219/00659; B01J2219/0068; B01J2219/00702; B01J2219/00718; B01J2219/00745; B01J2219/0075; B01J2219/00752; B01J2219/00754; B01J2219/00756; C40; C40B; C40B40/00; C40B40/18; C40B60/00; C40B60/14

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 18 words
A phosphor material that is Sr 2 CeO 4 , wherein the Sr 2 CeO 4 is orthorhombic.
Claim 2
Dependent Claim 18 words
A phosphor material that is Sr 2 CeO 4 , wherein the Sr 2 CeO 4 is orthorhombic.
Claim 3
Dependent Claim 22 words
The phosphor material of claim 1, wherein the phosphor material Sr 2 CeO 4 comprises linear chains of edge-sharing CeO 6 octahedra.
Claim 4
Dependent Claim 18 words
A phosphor material that is (Y 0 .82 Al 0 .07 La 0 .06)VO 4 :Eu 0 .05.
Claim 5
Dependent Claim 18 words
A phosphor material that is (Y 0 .82 Al 0 .07 La 0 .06)VO 4 :Eu 0 .05.
Claim 6
Independent Claim 23 words
A method comprising providing a phosphor comprising Sr 2 CeO 4 , stimulating the phosphor with radiation and observing luminescence from said phosphor.
Claim 7
Independent Claim 23 words
A method comprising providing a phosphor comprising Sr 2 CeO 4 , stimulating the phosphor with radiation and observing luminescence from said phosphor.
Claim 8
Dependent Claim 19 words
The method of claim 4, wherein said radiation is selected from the group consisting of X-ray, ultraviolet or electron.
Claim 9
Dependent Claim 19 words
The method of claim 4, wherein said luminescence is selected from the group consisting of photoluminescence, electroluminescence and cathodoluminescence.

References Cited (Backward Citations)

US3586636A Cited
US3511785A Cited
JPS5434710A Cited
JPS57168982A Cited
US4550256A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2003-01-10 2003-07-12 2004-01-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2007-01-10 2007-07-12 2008-01-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2011-01-10 2011-07-12 2012-01-11 $7700.00 Window Closed / Lapsed

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