Fluorescent and cathodoluminescent phophors structurally related to sodalite

Title: Fluorescent and cathodoluminescent phophors structurally related to sodalite

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Abstract

Blue, quantum-confined phosphors for field-emission displays made by reducing metal (M) sulfoaluminates at high temperature. This yields phases of the type M.sub.4 (AlO.sub.2).sub.6 S. Bulk sulfide contaminant mixed with the reduced sulfoaluminate phase is removed by treating it with a chelating agent in nonaqueous solution. A photometric cathodoluminescence efficiency of 9 lumen/watt at 1000 V for Sr.sub.3 PbS(AlO.sub.2).sub.6 is observed. Undoped Sr.sub.4 S(AlO).sub.6 displays 5 lumen/watt at 1000 V, with excellent blue chromatic saturation.

Inventors:

Phillips, Mark L. F. ^[1]; Shea, Lauren E. ^[2]

(Tijeras, NM)
(San Diego, CA)

Issue Date:: 1998-01-01

Research Org.:: SANDIA CORP

OSTI Identifier:: 871866

Patent Number(s):: 5814245

Assignee:: Sandia Corporation (Albuquerque, NM) SNL

DOE Contract Number:: AC04-94AL85000

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: fluorescent; cathodoluminescent; phophors; structurally; related; sodalite; blue; quantum-confined; phosphors; field-emission; displays; reducing; metal; sulfoaluminates; temperature; yields; phases; type; bulk; sulfide; contaminant; mixed; reduced; sulfoaluminate; phase; removed; treating; chelating; agent; nonaqueous; solution; photometric; cathodoluminescence; efficiency; lumen; watt; 1000; sr; pbs; observed; undoped; excellent; chromatic; saturation; reducing metal; aqueous solution; chelating agent; nonaqueous solution; structurally related; emission displays; field-emission displays; emission display; /252/423/

Citation Formats


                    Phillips, Mark L. F., and Shea, Lauren E. Fluorescent and cathodoluminescent phophors structurally related to sodalite.  United States: N. p., 1998. 
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                    Phillips, Mark L. F., & Shea, Lauren E. Fluorescent and cathodoluminescent phophors structurally related to sodalite.  United States.

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                    Phillips, Mark L. F., and Shea, Lauren E. Thu .  
        "Fluorescent and cathodoluminescent phophors structurally related to sodalite".  United States.  https://www.osti.gov/servlets/purl/871866.

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@article{osti_871866,

  title        = {Fluorescent and cathodoluminescent phophors structurally related to sodalite},

  author       = {Phillips, Mark L. F. and Shea, Lauren E.},

  abstractNote = {Blue, quantum-confined phosphors for field-emission displays made by reducing metal (M) sulfoaluminates at high temperature. This yields phases of the type M.sub.4 (AlO.sub.2).sub.6 S. Bulk sulfide contaminant mixed with the reduced sulfoaluminate phase is removed by treating it with a chelating agent in nonaqueous solution. A photometric cathodoluminescence efficiency of 9 lumen/watt at 1000 V for Sr.sub.3 PbS(AlO.sub.2).sub.6 is observed. Undoped Sr.sub.4 S(AlO).sub.6 displays 5 lumen/watt at 1000 V, with excellent blue chromatic saturation.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1998},

  month        = {1}

}

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Fluorescent and cathodoluminescent phosphors structurally related to sodalite

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Blue, quantum-confined phosphors are disclosed for field-emission displays made by reducing metal (M) sulfoaluminates at high temperature. This yields phases of the type M{sub 4}(AlO{sub 2}){sub 6}S. Bulk sulfide contaminant mixed with the reduced sulfoaluminate phase is removed by treating it with a chelating agent in nonaqueous solution. A photometric cathodoluminescence efficiency of 9 lumen/watt at 1,000 V for Sr{sub 3}PbS(AlO{sub 2}){sub 6} is observed. Undoped Sr{sub 4}S(AlO){sub 6} displays 5 lumen/watt at 1,000 V, with excellent blue chromatic saturation. 2 figs.
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