Light emitting element, plasma display panel, and CRT display device capable of considerably suppressing a high-frequency noise

Abstract

In a display device ( 70, 70 A, 80 - 80 G, 90 - 90 F) having a display window ( 73, 81, 93 ), a magnetic loss layer or layer ( 75, 75 A, 88 - 88 C, 97 - 97 C) is formed on at least a part of a principal surface of the display window. The magnetic loss layer may be a granular magnetic thin layer which is, for example, made of a magnetic substance of a magnetic composition comprising M, X and Y, where M is a metallic magnetic material consisting of Fe, Co, and/or Ni, X being element or elements other than M and Y, and Y being F, N, and/or O. The magnetic loss layer may be formed in any one selected from mat, lattice, stripe, and speck fashions. The magnetic loss layer may be formed in a mesh fashion.

What is claimed is:  
     
         1 . A display device having a display window with a principal surface, said display device comprising a magnetic loss layer formed on at least a part of said principal surface.  
     
     
         2 . A display device as claimed in  claim 1 , wherein said magnetic loss layer is a granular magnetic thin layer with a magnetic composition comprising M, X and Y, where M is a metallic magnetic material consisting of Fe, Co, and/or Ni, X being element or elements other than M and Y, and Y being F, N, and/or O.  
     
     
         3 . A display device as claimed in  claim 2 , wherein said granular magnetic thin layer is deposited on said principal surface by sputtering process.  
     
     
         4 . A display device as claimed in  claim 2 , wherein said granular magnetic thin layer is deposited on said principal surface by vapor deposition process.  
     
     
         5 . A light emitting element having a light emitting window with a principal surface, said light emitting element comprising a magnetic loss layer formed on at least a part of said principal surface.  
     
     
         6 . A light emitting element as claimed in  claim 5 , wherein said magnetic loss layer is a granular magnetic thin layer with a magnetic composition comprising M, X and Y, where M is a metallic magnetic material consisting of Fe, Co, and/or Ni, X being element or elements other than M and Y, and Y being F, N, and/or O.  
     
     
         7 . A light emitting element as claimed in  claim 6 , wherein said granular magnetic thin layer is deposited on said principal surface by sputtering process.  
     
     
         8 . A light emitting element as claimed in  claim 6 , wherein said granular magnetic thin layer is deposited on said principal surface by vapor deposition process.  
     
     
         9 . A light emitting element having a light emitting window with a principal surface, said light emitting element comprising a meshed magnetic loss layer formed on at least a part of said principal surface.  
     
     
         10 . A light emitting element as claimed in  claim 9 , wherein said meshed magnetic loss layer is a granular magnetic thin layer with a magnetic composition comprising M, X and Y, where M is a metallic magnetic material consisting of Fe, Co, and/or Ni, X being element or elements other than M and Y, and Y being F, N, and/or O.  
     
     
         11 . A light emitting element as claimed in  claim 10 , wherein said granular magnetic thin layer is deposited on said principal surface by sputtering process using a mask.  
     
     
         12 . A light emitting element as claimed in  claim 10 , wherein said granular magnetic thin layer is deposited on said principal surface by vapor deposition process using a mask.  
     
     
         13 . A light emitting element as claimed in  claim 10 , wherein said granular magnetic thin layer is a crosshatched film formed by crosshatching a magnetic loss wire made of a granular magnetic material.  
     
     
         14 . A plasma display panel having a front glass substrate with an outer surface, said plasma display panel comprising a sheet-like magnetic loss layer formed on said outer surface.  
     
     
         15 . A plasma display panel as claimed in  claim 14 , wherein said sheet-like magnetic loss layer is a granular magnetic thin layer with a magnetic composition comprising M, X and Y, where M is a metallic magnetic material consisting of Fe, Co, and/or Ni, X being element or elements other than M and Y, and Y being F, N, and/or O.  
     
     
         16 . A plasma display panel as claimed in  claim 15 , wherein said sheet-like magnetic loss layer is deposited on said outer surface by sputtering process.  
     
     
         17 . A plasma display panel as claimed in  claim 15 , wherein said sheet-like magnetic loss layer is deposited on said outer surface by vapor deposition process.  
     
     
         18 . A plasma display panel having a front glass substrate with an inner surface, said plasma display panel comprising a sheet-like magnetic loss layer formed on said inner surface.  
     
     
         19 . A plasma display panel as claimed in  claim 18 , wherein said sheet-like magnetic loss layer is a granular magnetic thin layer with a magnetic composition comprising M, X and Y, where M is a metallic magnetic material consisting of Fe, Co, and/or Ni, X being element or elements other than M and Y, and Y being F, N, and/or O.  
     
     
         20 . A plasma display panel as claimed in  claim 19 , wherein said sheet-like magnetic loss layer is deposited on said inner surface by sputtering process.  
     
     
         21 . A plasma display panel as claimed in  claim 19 , wherein said sheet-like magnetic loss layer is deposited on said inner surface by vapor deposition process.  
     
     
         22 . A plasma display panel having a front glass substrate with an outer surface, said plasma display panel comprising a latticed magnetic loss layer formed on said outer surface.  
     
     
         23 . A plasma display panel as claimed in  claim 22 , wherein said latticed magnetic loss layer is a granular magnetic thin layer with a magnetic composition comprising M, X and Y, where M is a metallic magnetic material consisting of Fe, Co, and/or Ni, X being element or elements other than M and Y, and Y being F, N, and/or O.  
     
     
         24 . A plasma display panel as claimed in  claim 23 , wherein said latticed magnetic loss layer is deposited on said outer surface by sputtering process using a mask. of vapor deposition process and patterning process.  
     
     
         34 . A plasma display panel having a front glass substrate with an outer surface, said plasma display panel comprising a striped magnetic loss layer formed on said outer surface.  
     
     
         35 . A plasma display panel as claimed in  claim 34 , wherein said striped magnetic loss layer is a granular magnetic thin layer with a magnetic composition comprising M, X and Y, where M is a metallic magnetic material consisting of Fe, Co, and/or Ni, X being element or elements other than M and Y, and Y being F, N, and/or O.  
     
     
         36 . A plasma display panel as claimed in  claim 35 , wherein said striped magnetic loss layer is deposited on said outer surface by sputtering process using a mask.  
     
     
         37 . A plasma display panel as claimed in  claim 35 , wherein said striped magnetic loss layer is deposited on said outer surface by vapor deposition process using a mask.  
     
     
         38 . A plasma display panel as claimed in  claim 35 , wherein said striped magnetic loss layer is deposited on said outer surface by a combination of sputtering process and patterning process.  
     
     
         39 . A plasma display panel as claimed in  claim 35 , wherein said striped magnetic loss layer is deposited on said outer surface by a combination of vapor deposition process and patterning process.  
     
     
         40 . A plasma display panel having a front glass substrate with an inner surface, said plasma display panel comprising a striped magnetic loss layer formed on said inner surface.  
     
     
         41 . A plasma display panel as claimed in  claim 40 , wherein said striped magnetic loss layer is a granular magnetic thin layer with a magnetic composition comprising M, X and Y, where M is a metallic magnetic material consisting of Fe, Co, and/or Ni, X being element or elements other than M and Y, and Y being F, N, and/or O.  
     
     
         42 . A plasma display panel as claimed in  claim 41 , wherein said striped magnetic loss layer is deposited on said inner surface by sputtering process using a mask.  
     
     
         43 . A plasma display panel as claimed in  claim 41 , wherein said striped magnetic loss layer is deposited on said inner surface by vapor deposition process using a mask.  
     
     
         44 . A plasma display panel as claimed in  claim 41 , wherein said striped magnetic loss layer is deposited on said inner surface by a combination of sputtering process and patterning process.  
     
     
         45 . A plasma display panel as claimed in  claim 41 , wherein said striped magnetic loss layer is deposited on said inner surface by a combination of vapor deposition process and patterning process.  
     
     
         46 . A plasma display panel having a front glass substrate with an outer surface, said plasma display panel comprising a specked magnetic loss layer formed on said outer surface.  
     
     
         47 . A plasma display panel as claimed in  claim 46 , wherein said specked magnetic loss layer is a granular magnetic thin layer with a magnetic composition comprising M, X and Y, where M is a metallic magnetic material consisting of Fe, Co, and/or Ni, X being element or elements other than M and Y, and Y being F, N, and/or O.  
     
     
         48 . A plasma display panel as claimed in  claim 47 , wherein said specked magnetic loss layer is deposited on said outer surface by sputtering process using a mask.  
     
     
         49 . A plasma display panel as claimed in  claim 47 , wherein said specked magnetic loss layer is deposited on said outer surface by vapor deposition process using a mask.  
     
     
         50 . A plasma display panel as claimed in  claim 47 , wherein said specked magnetic loss layer is deposited on said outer surface by a combination of sputtering process and patterning process.  
     
     
         51 . A plasma display panel as claimed in  claim 47 , wherein said specked magnetic loss layer is deposited on said outer surface by a combination of vapor deposition process and patterning process.  
     
     
         52 . A plasma display panel having a front glass substrate with an inner surface, said plasma display panel comprising a specked magnetic loss layer formed on said inner surface.  
     
     
         53 . A plasma display panel as claimed in  claim 52 , wherein said specked magnetic loss layer is a granular magnetic thin layer with a magnetic composition comprising M, X and Y, where M is a metallic magnetic material consisting of Fe, Co, and/or Ni, X being element or elements other than M and Y, and Y being F, N, and/or O.  
     
     
         54 . A plasma display panel as claimed in  claim 53 , wherein said specked magnetic loss layer is deposited on said inner surface by sputtering process using a mask.  
     
     
         55 . A plasma display panel as claimed in  claim 53 , wherein said specked magnetic loss layer is deposited on said inner surface by vapor deposition process using a mask.  
     
     
         56 . A plasma display panel as claimed in  claim 53 , wherein said specked magnetic loss layer is deposited on said inner surface by a combination of sputtering process and patterning process.  
     
     
         57 . A plasma display panel as claimed in  claim 53 , wherein said specked magnetic loss layer is deposited on said inner surface by a combination of vapor deposition process and patterning process.  
     
     
         58 . A cathode-ray tube (CRT) display device comprising a cathode-ray tube having a display panel with an inner surface, said CRT display device comprising a latticed magnetic loss layer formed on said inner surface.  
     
     
         59 . A CRT display device as claimed in  claim 58 , wherein said latticed magnetic loss layer is a granular magnetic thin layer with a magnetic composition comprising M, X and Y, where M is a metallic magnetic material consisting of Fe, Co, and/or Ni, X being element or elements other than M and Y, and Y being F, N, and/or O.  
     
     
         60 . A CRT display device as claimed in  claim 59 , wherein said latticed magnetic loss layer is deposited on said inner surface by sputtering process using a mask.  
     
     
         61 . A CRT display device as claimed in  claim 59 , wherein said latticed magnetic loss layer is deposited on said inner surface by vapor deposition process using a mask.  
     
     
         62 . A CRT display device as claimed in  claim 59 , wherein said latticed magnetic loss layer is deposited on said inner surface by a combination of sputtering process and patterning process.  
     
     
         63 . A CRT display device as claimed in  claim 59 , wherein said latticed magnetic loss layer is deposited on said inner surface by a combination of vapor deposition process and patterning process.  
     
     
         64 . A cathode-ray tube (CRT) display device comprising a cathode-ray tube having a display panel with an outer surface, said CRT display device comprising a latticed magnetic loss layer formed on said outer surface.  
     
     
         65 . A CRT display device as claimed in  claim 64 , wherein said latticed magnetic loss layer is a granular magnetic thin layer with a magnetic composition comprising M, X and Y, where M is a metallic magnetic material consisting of Fe, Co, and/or Ni, X being element or elements other than M and Y, and Y being F, N, and/or O.  
     
     
         66 . A CRT display device as claimed in  claim 65 , wherein said latticed magnetic loss layer is deposited on said outer surface by sputtering process using a mask.  
     
     
         67 . A CRT display device as claimed in  claim 65 , wherein said latticed magnetic loss layer is deposited on said outer surface by vapor deposition process using a mask.  
     
     
         68 . A CRT display device as claimed in  claim 65 , wherein said latticed magnetic loss layer is deposited on said outer surface by a combination of sputtering process and patterning process.  
     
     
         69 . A CRT display device as claimed in  claim 65 , wherein said latticed magnetic loss layer is deposited on said outer surface by a combination of vapor deposition process and patterning process.  
     
     
         70 . A cathode-ray tube (CRT) display device comprising a cathode-ray tube having a display panel with an inner surface, said CRT display device comprising a striped magnetic loss layer formed on said inner surface.  
     
     
         71 . A CRT display device as claimed in  claim 70 , wherein said striped magnetic loss layer is a granular magnetic thin layer with a magnetic composition comprising M, X and Y, where M is a metallic magnetic material consisting of Fe, Co, and/or Ni, X being element or elements other than M and Y, and Y being F, N, and/or O.  
     
     
         72 . A CRT display device as claimed in  claim 71 , wherein said striped magnetic loss layer is deposited on said inner surface by sputtering process using a mask.  
     
     
         73 . A CRT display device as claimed in  claim 71 , wherein said striped magnetic loss layer is deposited on said inner surface by vapor deposition process using a mask.  
     
     
         74 . A CRT display device as claimed in  claim 71 , wherein said striped magnetic loss layer is deposited on said inner surface by a combination of sputtering process and patterning process.  
     
     
         75 . A CRT display device as claimed in  claim 71 , wherein said striped magnetic loss layer is deposited on said inner surface by a combination of vapor deposition process and patterning process.  
     
     
         76 . A cathode-ray tube (CRT) display device comprising a cathode-ray tube having a display panel with an outer surface, said CRT display device comprising a striped magnetic loss layer formed on said outer surface.  
     
     
         77 . A CRT display device as claimed in  claim 76 , wherein said striped magnetic loss layer is a granular magnetic thin layer with a magnetic composition comprising M, X and Y, where M is a metallic magnetic material consisting of Fe, Co, and/or Ni, X being element or elements other than M and Y, and Y being F, N, and/or O.  
     
     
         78 . A CRT display device as claimed in  claim 77 , wherein said striped magnetic loss layer is deposited on said outer surface by sputtering process using a mask.  
     
     
         79 . A CRT display device as claimed in  claim 77 , wherein said striped magnetic loss layer is deposited on said outer surface by vapor deposition process using a mask.  
     
     
         80 . A CRT display device as claimed in  claim 77 , wherein said striped magnetic loss layer is deposited on said outer surface by a combination of sputtering process and patterning process.  
     
     
         81 . A CRT display device as claimed in  claim 77 , wherein said striped magnetic loss layer is deposited on said outer surface by a combination of vapor deposition process and patterning process.  
     
     
         82 . A cathode-ray tube (CRT) display device comprising a cathode-ray tube having a display panel with an inner surface, said CRT display device comprising a specked magnetic loss layer formed on said inner surface.  
     
     
         83 . A CRT display device as claimed in  claim 82 , wherein said specked magnetic loss layer is a granular magnetic thin layer with a magnetic composition comprising M, X and Y, where M is a metallic magnetic material consisting of Fe, Co, and/or Ni, X being element or elements other than M and Y, and Y being F, N, and/or O.  
     
     
         84 . A CRT display device as claimed in  claim 83  wherein said specked magnetic loss layer is deposited on said inner surface by sputtering process using a mask.  
     
     
         85 . A CRT display device as claimed in  claim 83 , wherein said specked magnetic loss layer is deposited on said inner surface by vapor deposition process using a mask.  
     
     
         86 . A CRT display device as claimed in  claim 83 , wherein said specked magnetic loss layer is deposited on said inner surface by a combination of sputtering process and patterning process.  
     
     
         87 . A CRT display device as claimed in  claim 83 , wherein said specked magnetic loss layer is deposited on said inner surface by a combination of vapor deposition process and patterning process.  
     
     
         88 . A cathode-ray tube (CRT) display device comprising a cathode-ray tube having a display panel with an outer surface, said CRT display device comprising a specked magnetic loss layer formed on said outer surface.  
     
     
         89 . A CRT display device as claimed in  claim 88 , wherein said specked magnetic loss layer is a granular magnetic thin layer with a magnetic composition comprising M, X and Y, where M is a metallic magnetic material consisting of Fe, Co, and/or Ni, X being element or elements other than M and Y, and Y being F, N, and/or O.  
     
     
         90 . A CRT display device as claimed in  claim 89 , wherein said specked magnetic loss layer is deposited on said outer surface by sputtering process using a mask.  
     
     
         91 . A CRT display device as claimed in  claim 89 , wherein said specked magnetic loss layer is deposited on said outer surface by vapor deposition process using a mask.  
     
     
         92 . A CRT display device as claimed in  claim 89 , wherein said specked magnetic loss layer is deposited on said outer surface by a combination of sputtering process and patterning process.  
     
     
         93 . A CRT display device as claimed in  claim 89 , wherein said specked magnetic loss layer is deposited on said outer surface by a combination of vapor deposition process and patterning process.  
     
     
         94 . A cathode-ray tube (CRT) display device comprising a cathode-ray tube having a display panel with an outer surface, said CRT display device comprising a sheet-like magnetic loss layer formed on said outer surface.  
     
     
         95 . A CRT display device as claimed in  claim 94 , wherein said sheet-like magnetic loss layer is a granular magnetic thin layer with a magnetic composition comprising M, X and Y, where M is a metallic magnetic material consisting of Fe, Co, and/or Ni, X being element or elements other than M and Y, and Y being F, N, and/or O.  
     
     
         96 . A CRT display device as claimed in  claim 95 , wherein said sheet-like magnetic loss layer is deposited on said outer surface by sputtering process.  
     
     
         97 . A CRT display device as claimed in  claim 95 , wherein said sheet-like magnetic loss layer is deposited on said outer surface by vapor deposition process.