JP2004168996A5 - - Google Patents

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JP2004168996A5
JP2004168996A5 JP2003329248A JP2003329248A JP2004168996A5 JP 2004168996 A5 JP2004168996 A5 JP 2004168996A5 JP 2003329248 A JP2003329248 A JP 2003329248A JP 2003329248 A JP2003329248 A JP 2003329248A JP 2004168996 A5 JP2004168996 A5 JP 2004168996A5
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spectrum
emitting phosphors
phosphor composition
mixtures
liquid crystal
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  1. １種以上の青色発光蛍光体、１種以上の緑色発光蛍光体及び１種以上の赤色発光蛍光体を含む、液晶ディスプレイ（「ＬＣＤ」）のバックライト光源用の蛍光体組成物であって、上記１種以上の青色発光蛍光体が(Ｓｒ，Ｃａ，Ｂａ，Ｍｇ)10(ＰＯ4)6(Ｆ，Ｃｌ，Ｂｒ，ＯＨ)：Ｅｕ2+、(Ｂａ，Ｓｒ，Ｃａ)ＭｇＡｌ10Ｏ17：Ｅｕ2+、(Ｓｒ，Ｃａ)10(ＰＯ4)6・ｎＢ2Ｏ3：Ｅｕ2+（式中、０＜ｎ＜１である。）、２ＳｒＯ・０．８４Ｐ2Ｏ5・０．１６Ｂ2Ｏ3：Ｅｕ2+、Ｓｒ2Ｓｉ3Ｏ8・２ＳｒＣｌ2：Ｅｕ2+、Ｂａ3ＭｇＳｉ2Ｏ8：Ｅｕ2+、Ｓｒ4Ａｌ14Ｏ25：Ｅｕ2+、ＢａＡｌ8Ｏ13：Ｅｕ2+及びこれらの混合物からなる群から選択され、上記１種以上の緑色発光蛍光体が(Ｂａ，Ｓｒ，Ｃａ)ＭｇＡｌ10Ｏ17：Ｅｕ2+，Ｍｎ2+、(Ｂａ，Ｓｒ，Ｃａ)Ａｌ2Ｏ4：Ｅｕ2+、(Ｙ，Ｇｄ，Ｌｕ，Ｓｃ，Ｌａ)ＢＯ3：Ｃｅ3+，Ｔｂ3+、(Ｂａ，Ｓｒ，Ｃａ)2ＳｉＯ4：Ｅｕ2+、(Ｂａ，Ｓｒ，Ｃａ)2(Ｍｇ，Ｚｎ)Ｓｉ2Ｏ7：Ｅｕ2+、(Ｓｒ，Ｃａ，Ｂａ)(Ａｌ，Ｇａ，Ｉｎ)2Ｓ4：Ｅｕ2+、(Ｙ，Ｇｄ，Ｔｂ，Ｌａ，Ｓｍ，Ｐｒ，Ｌｕ)x(Ａｌ，Ｇａ，Ｉｎ)yＯ12：Ｃｅ3+（式中、ｘは２．８〜３の範囲内にあり、ｙは４．９〜５．１の範囲内にある。）、(Ｓｒ，Ｃａ，Ｂａ，Ｍｇ，Ｚｎ)2Ｐ2Ｏ7：Ｅｕ2+，Ｍｎ2+、(Ｃａ，Ｓｒ，Ｂａ，Ｍｇ)10(ＰＯ4)6(Ｆ，Ｃｌ，Ｂｒ，ＯＨ)：Ｅｕ2+，Ｍｎ2+、(Ｃａ，Ｓｒ，Ｂａ)8(Ｍｇ，Ｚｎ)(ＳｉＯ4)4(Ｃｌ，Ｆ)2：Ｅｕ2+，Ｍｎ2+及びこれらの混合物からなる群から選択され、上記１種以上の赤色発光蛍光体が(Ｇｄ，Ｙ，Ｌｕ，Ｌａ)2Ｏ3：Ｅｕ3+，Ｂｉ3+、(Ｇｄ，Ｙ，Ｌｕ，Ｌａ)2Ｏ2Ｓ：Ｅｕ3+，Ｂｉ3+、(Ｇｄ，Ｙ，Ｌｕ，Ｌａ)ＶＯ4：Ｅｕ3+，Ｂｉ3+、ＳｒＳ：Ｅｕ2+、ＳｒＹ2Ｓ4：Ｅｕ2+、ＣａＬａ2Ｓ4：Ｃｅ3+、(Ｃａ，Ｓｒ)Ｓ：Ｅｕ2+、３．５ＭｇＯ・０．５ＭｇＦ2・ＧｅＯ2：Ｍｎ4+、(Ｂａ，Ｓｒ，Ｃａ)ＭｇＰ2Ｏ7：Ｅｕ2+，Ｍｎ2+及びこれらの混合物からなる群から選択される、蛍光体組成物。
  2. 前記蛍光体組成物が、前記バックライト光源から放出される第一のスペクトルの光の少なくとも一部分を吸収し、前記第一のスペクトルとは異なる第二のスペクトルを有する光を放出する、請求項１記載の蛍光体組成物。
  3. 前記第二のスペクトルが、４４０〜４６０ｎｍ、５５０〜５７０ｎｍ及び６３０〜６８０ｎｍの波長領域において可視スペクトルの他の１以上の領域よりも高い強度を有する、請求項２記載の蛍光体組成物。
  4. 前記蛍光体組成物が、(Ｓｒ0.79Ｅｕ0.1Ｍｎ0.1Ｍｇ0.11)2Ｐ2Ｏ7、(Ｓｒ，Ｃａ，Ｂａ，Ｍｇ)10(ＰＯ4)6(Ｆ，Ｃｌ，Ｂｒ，ＯＨ)：Ｅｕ2+及び３．５ＭｇＯ・０．５ＭｇＦ2・ＧｅＯ2：Ｍｎ4+を含む、請求項１記載の蛍光体組成物。
  5. 前記蛍光体組成物が、(Ｃａ，Ｓｒ，Ｂａ)8(Ｍｇ，Ｚｎ)(ＳｉＯ4)4(Ｃｌ，Ｆ)2：Ｅｕ2+，Ｍｎ2+、(Ｓｒ，Ｃａ，Ｂａ，Ｍｇ)10(ＰＯ4)6(Ｆ，Ｃｌ，Ｂｒ，ＯＨ)：Ｅｕ2+及び３．５ＭｇＯ・０．５ＭｇＦ2・ＧｅＯ2：Ｍｎ4+を含む、請求項１記載の蛍光体組成物。
  6. 少なくとも３００〜４５０ｎｍの範囲に第一のスペクトルを有する光を放出するバックライト光源と、
    １種以上の青色発光蛍光体、１種以上の緑色発光蛍光体及び１種以上の赤色発光蛍光体を含む蛍光体組成物と
    を含んでなるＬＣＤ用のバックライト装置であって、
    上記１種以上の青色発光蛍光体が(Ｓｒ，Ｃａ，Ｂａ，Ｍｇ)10(ＰＯ4)6(Ｆ，Ｃｌ，Ｂｒ，ＯＨ)：Ｅｕ2+、(Ｂａ，Ｓｒ，Ｃａ)ＭｇＡｌ10Ｏ17：Ｅｕ2+、(Ｓｒ，Ｃａ)10(ＰＯ4)6・ｎＢ2Ｏ3：Ｅｕ2+（式中、０＜ｎ＜１である。）、２ＳｒＯ・０．８４Ｐ2Ｏ5・０．１６Ｂ2Ｏ3：Ｅｕ2+、Ｓｒ2Ｓｉ3Ｏ8・２ＳｒＣｌ2：Ｅｕ2+、Ｂａ3ＭｇＳｉ2Ｏ8：Ｅｕ2+、Ｓｒ4Ａｌ14Ｏ25：Ｅｕ2+、ＢａＡｌ8Ｏ13：Ｅｕ2+及びこれらの混合物からなる群から選択され、上記１種以上の緑色発光蛍光体が(Ｂａ，Ｓｒ，Ｃａ)ＭｇＡｌ10Ｏ17：Ｅｕ2+，Ｍｎ2+、(Ｂａ，Ｓｒ，Ｃａ)Ａｌ2Ｏ4：Ｅｕ2+、(Ｙ，Ｇｄ，Ｌｕ，Ｓｃ，Ｌａ)ＢＯ3：Ｃｅ3+，Ｔｂ3+、(Ｂａ，Ｓｒ，Ｃａ)2ＳｉＯ4：Ｅｕ2+、(Ｂａ，Ｓｒ，Ｃａ)2(Ｍｇ，Ｚｎ)Ｓｉ2Ｏ7：Ｅｕ2+、(Ｓｒ，Ｃａ，Ｂａ)(Ａｌ，Ｇａ，Ｉｎ)2Ｓ4：Ｅｕ2+、(Ｙ，Ｇｄ，Ｔｂ，Ｌａ，Ｓｍ，Ｐｒ，Ｌｕ)x(Ａｌ，Ｇａ，Ｉｎ)yＯ12：Ｃｅ3+（式中、ｘは２．８〜３の範囲内にあり、ｙは４．９〜５．１の範囲内にある。）、(Ｓｒ，Ｃａ，Ｂａ，Ｍｇ，Ｚｎ)2Ｐ2Ｏ7：Ｅｕ2+，Ｍｎ2+、(Ｃａ，Ｓｒ，Ｂａ，Ｍｇ)10(ＰＯ4)6(Ｆ，Ｃｌ，Ｂｒ，ＯＨ)：Ｅｕ2+，Ｍｎ2+、(Ｃａ，Ｓｒ，Ｂａ)8(Ｍｇ，Ｚｎ)(ＳｉＯ4)4(Ｃｌ，Ｆ)2：Ｅｕ2+，Ｍｎ2+及びこれらの混合物からなる群から選択され、上記１種以上の赤色発光蛍光体が(Ｇｄ，Ｙ，Ｌｕ，Ｌａ)2Ｏ3：Ｅｕ3+，Ｂｉ3+、(Ｇｄ，Ｙ，Ｌｕ，Ｌａ)2Ｏ2Ｓ：Ｅｕ3+，Ｂｉ3+、(Ｇｄ，Ｙ，Ｌｕ，Ｌａ)ＶＯ4：Ｅｕ3+，Ｂｉ3+、ＳｒＳ：Ｅｕ2+、ＳｒＹ2Ｓ4：Ｅｕ2+、ＣａＬａ2Ｓ4：Ｃｅ3+、(Ｃａ，Ｓｒ)Ｓ：Ｅｕ2+、３．５ＭｇＯ・０．５ＭｇＦ2・ＧｅＯ2：Ｍｎ4+、(Ｂａ，Ｓｒ，Ｃａ)ＭｇＰ2Ｏ7：Ｅｕ2+，Ｍｎ2+及びこれらの混合物からなる群から選択され、
    上記蛍光体組成物が、上記第一のスペクトルの少なくとも一部分の光を吸収し、第一のスペクトルとは異なる第二のスペクトルを有する光を放出するように配置されている、バックライト装置。
  7. 前記第二のスペクトルが、４４０〜４６０ｎｍ、５５０〜５７０ｎｍ及び６３０〜６８０ｎｍの波長領域において可視スペクトルの他の１以上の領域よりも高い強度を有する、請求項６記載のバックライト装置。
  8. 前記蛍光体組成物が、(Ｓｒ0.79Ｅｕ0.1Ｍｎ0.1Ｍｇ0.11)2Ｐ2Ｏ7、(Ｓｒ，Ｃａ，Ｂａ，Ｍｇ)10(ＰＯ4)6(Ｆ，Ｃｌ，Ｂｒ，ＯＨ)：Ｅｕ2+及び３．５ＭｇＯ・０．５ＭｇＦ2・ＧｅＯ2：Ｍｎ4+を含む、請求項６記載のバックライト装置。
  9. 前記蛍光体組成物が、(Ｃａ，Ｓｒ，Ｂａ)8(Ｍｇ，Ｚｎ)(ＳｉＯ4)4(Ｃｌ，Ｆ)2：Ｅｕ2+，Ｍｎ2+、(Ｓｒ，Ｃａ，Ｂａ，Ｍｇ)10(ＰＯ4)6(Ｆ，Ｃｌ，Ｂｒ，ＯＨ)：Ｅｕ2+及び３．５ＭｇＯ・０．５ＭｇＦ2・ＧｅＯ2：Ｍｎ4+を含む、請求項６記載のバックライト装置。
  10. （ａ）（１）少なくとも３００〜４５０ｎｍの範囲に第一のスペクトルを有する光を放出するバックライト光源と、
    （２）１種以上の青色発光蛍光体、１種以上の緑色発光蛍光体及び１種以上の赤色発光蛍光体を含む蛍光体組成物と
    を含んでなるバックライト装置であって、
    前記１種以上の青色発光蛍光体が(Ｓｒ，Ｃａ，Ｂａ，Ｍｇ)10(ＰＯ4)6(Ｆ，Ｃｌ，Ｂｒ，ＯＨ)：Ｅｕ2+、(Ｂａ，Ｓｒ，Ｃａ)ＭｇＡｌ10Ｏ17：Ｅｕ2+、(Ｓｒ，Ｃａ)10(ＰＯ4)6・ｎＢ2Ｏ3：Ｅｕ2+（式中、０＜ｎ＜１である。）、２ＳｒＯ・０．８４Ｐ2Ｏ5・０．１６Ｂ2Ｏ3：Ｅｕ2+、Ｓｒ2Ｓｉ3Ｏ8・２ＳｒＣｌ2：Ｅｕ2+、Ｂａ3ＭｇＳｉ2Ｏ8：Ｅｕ2+、Ｓｒ4Ａｌ14Ｏ25：Ｅｕ2+、ＢａＡｌ8Ｏ13：Ｅｕ2+及びこれらの混合物からなる群から選択され、前記１種以上の緑色発光蛍光体が(Ｂａ，Ｓｒ，Ｃａ)ＭｇＡｌ10Ｏ17：Ｅｕ2+，Ｍｎ2+、(Ｂａ，Ｓｒ，Ｃａ)Ａｌ2Ｏ4：Ｅｕ2+、(Ｙ，Ｇｄ，Ｌｕ，Ｓｃ，Ｌａ)ＢＯ3：Ｃｅ3+，Ｔｂ3+、(Ｂａ，Ｓｒ，Ｃａ)2ＳｉＯ4：Ｅｕ2+、(Ｂａ，Ｓｒ，Ｃａ)2(Ｍｇ，Ｚｎ)Ｓｉ2Ｏ7：Ｅｕ2+、(Ｓｒ，Ｃａ，Ｂａ)(Ａｌ，Ｇａ，Ｉｎ)2Ｓ4：Ｅｕ2+、(Ｙ，Ｇｄ，Ｔｂ，Ｌａ，Ｓｍ，Ｐｒ，Ｌｕ)x(Ａｌ，Ｇａ，Ｉｎ)yＯ12：Ｃｅ3+（式中、ｘは２．８〜３の範囲内にあり、ｙは４．９〜５．１の範囲内にある。）、(Ｓｒ，Ｃａ，Ｂａ，Ｍｇ，Ｚｎ)2Ｐ2Ｏ7：Ｅｕ2+，Ｍｎ2+、(Ｃａ，Ｓｒ，Ｂａ，Ｍｇ)10(ＰＯ4)6(Ｆ，Ｃｌ，Ｂｒ，ＯＨ)：Ｅｕ2+，Ｍｎ2+、(Ｃａ，Ｓｒ，Ｂａ)8(Ｍｇ，Ｚｎ)(ＳｉＯ4)4(Ｃｌ，Ｆ)2：Ｅｕ2+，Ｍｎ2+及びこれらの混合物からなる群から選択され、前記１種以上の赤色発光蛍光体が(Ｇｄ，Ｙ，Ｌｕ，Ｌａ)2Ｏ3：Ｅｕ3+，Ｂｉ3+、(Ｇｄ，Ｙ，Ｌｕ，Ｌａ)2Ｏ2Ｓ：Ｅｕ3+，Ｂｉ3+、(Ｇｄ，Ｙ，Ｌｕ，Ｌａ)ＶＯ4：Ｅｕ3+，Ｂｉ3+、ＳｒＳ：Ｅｕ2+、ＳｒＹ2Ｓ4：Ｅｕ2+、ＣａＬａ2Ｓ4：Ｃｅ3+、(Ｃａ，Ｓｒ)Ｓ：Ｅｕ2+、３．５ＭｇＯ・０．５ＭｇＦ2・ＧｅＯ2：Ｍｎ4+、(Ｂａ，Ｓｒ，Ｃａ)ＭｇＰ2Ｏ7：Ｅｕ2+，Ｍｎ2+及びこれらの混合物からなる群から選択され、
    前記蛍光体組成物が、前記第一のスペクトルの少なくとも一部分の光を吸収し、前記第一のスペクトルとは異なる第二のスペクトルを有する光を放出するように配置されている、バックライト装置、並びに
    前記第二のスペクトルを有する光を受光するように配置された液晶材料
    を含んでなる液晶ディスプレイ。
  11. 前記液晶材料が１対の第一及び第二の実質的に透明な板の間に配置されており、各々の前記板の前記液晶材料に隣接した表面が電極を担持していて、二つの電極の重なり合った領域が前記液晶ディスプレイの複数のピクセルを定義しており、青色光、緑色光及び赤色光を前記液晶材料に通過させる色フィルターが三つごとの隣接したピクセル上に配設されている、請求項１０記載の液晶ディスプレイ。
  12. 前記第二のスペクトルが、４４０〜４６０ｎｍ、５５０〜５７０ｎｍ及び６３０〜６８０ｎｍの波長領域において可視スペクトルの他の１以上の領域よりも高い強度を有する、請求項１０記載の液晶ディスプレイ。
JP2003329248A 2002-09-24 2003-09-22 蛍光体ブレンド及び液晶ディスプレイ用バックライト光源 Pending JP2004168996A (ja)

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Application Number Priority Date Filing Date Title
US10/065,181 US6809781B2 (en) 2002-09-24 2002-09-24 Phosphor blends and backlight sources for liquid crystal displays

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JP2004168996A5 true JP2004168996A5 (ja) 2006-11-09

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US (1) US6809781B2 (ja)
EP (1) EP1403355A1 (ja)
JP (1) JP2004168996A (ja)
KR (1) KR100915184B1 (ja)
CN (1) CN100426072C (ja)
TW (1) TWI282883B (ja)

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