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    PHOSPHOR SHEET
    2.
    发明申请
    PHOSPHOR SHEET 有权
    磷片

    公开(公告)号：US20150197689A1

    公开(公告)日：2015-07-16

    申请号：US14605356

    申请日：2015-01-26

    申请人： DEXERIALS CORPORATION

    发明人： Hirofumi TANI ,  Tsuneo KUSUNOKI ,  Masahide DAIMON ,  Yasushi ITO ,  Tomomitsu HORI

    IPC分类号： C09K11/77 ,  F21K99/00 ,  H01L25/075 ,  C09K11/02 ,  H01L33/50

    CPC分类号： C09K11/7734 ,  C08F2/48 ,  C09K11/025 ,  C09K11/7731 ,  C09K11/7733 ,  F21K9/64 ,  F21Y2101/00 ,  F21Y2115/10 ,  G02F2001/133614 ,  H01L25/0753 ,  H01L33/501 ,  H01L33/504 ,  H01L33/505 ,  H01L2224/48091 ,  H01L2924/0002 ,  Y10T428/256 ,  H01L2924/00014 ,  H01L2924/00

    摘要： In order to suppress the chromaticity shift and corrosion associated with the deterioration of a sulfide phosphor particle, this phosphor sheet is produced using a phosphor particle-containing resin composition which comprises: covered phosphor particles; polymerizable compound; and a polymerization initiator. The covered phosphor particles are obtained by covering phosphor particles with silicon dioxide films, wherein among the phosphor particles, at least sulfide phosphor particles are covered with silicon dioxide films that contain a metal oxide powder. Thus, the phosphor sheet can be inhibited from emitting a sulfur-based gas, and exhibits a minimized chromaticity shift, even when the phosphor sheet is present in such a manner that the edge of the phosphor layer of the sheet is in an exposed state.

    摘要翻译： 为了抑制与硫化物荧光体颗粒的劣化相关的色度偏移和腐蚀，使用含有荧光体颗粒的树脂组合物制造该荧光体片，该组合物包含：被覆荧光体颗粒; 可聚合化合物; 和聚合引发剂。 覆盖的荧光体颗粒通过用二氧化硅膜覆盖荧光体颗粒而获得，其中在荧光体颗粒中，至少硫化物荧光体颗粒被含有金属氧化物粉末的二氧化硅膜覆盖。 因此，即使当荧光体片以使得片的荧光体层的边缘处于暴露状态的方式存在时，也可以抑制荧光体片发射硫基气体，并且显示出最小化的色度偏移。

    PARTIAL DRIVE-TYPE LIGHT SOURCE DEVICE AND IMAGE DISPLAY DEVICE USING SAME
    3.
    发明申请
    PARTIAL DRIVE-TYPE LIGHT SOURCE DEVICE AND IMAGE DISPLAY DEVICE USING SAME 审中-公开

    公开(公告)号：US20190369441A1

    公开(公告)日：2019-12-05

    申请号：US16535402

    申请日：2019-08-08

    申请人： Dexerials Corporation

    发明人： Koichi KISHIMOTO ,  Yasushi ITO ,  Tomomitsu HORI ,  Noritaka SATO

    IPC分类号： G02F1/1335 ,  H01L33/50 ,  H01L25/075 ,  C09K11/56 ,  C09K11/61 ,  C09K11/62 ,  C09K11/77

    摘要： Provided is a partial drive-type light source device including an excitation light source that is formed from a plurality of light-emitting elements and is partially drivable, a phosphor sheet disposed at a position separated from the excitation light source and containing a phosphor that converts at least part of a wavelength region of incident light from the excitation light source and releases emitted light in a wavelength region differing from the incident light, and a wavelength-selective reflection film that is disposed between the excitation light source and the phosphor sheet and that transmits at least part of light in the wavelength region of the incident light from the excitation light source and reflects at least part of light in the wavelength region of the emitted light from the phosphor sheet.

    Phosphor Sheet
    5.
    发明申请
    Phosphor Sheet 有权
    磷光片

    公开(公告)号：US20160137918A1

    公开(公告)日：2016-05-19

    申请号：US14896717

    申请日：2014-06-17

    申请人： DEXERIALS CORPORATION

    发明人： Tomomitsu HORI ,  Yasushi ITO

    IPC分类号： C09K11/77 ,  G02F1/1335 ,  F21V9/16 ,  F21K99/00

    CPC分类号： C09K11/7731 ,  B32B3/06 ,  B32B7/12 ,  B32B27/20 ,  B32B27/286 ,  B32B2307/422 ,  B32B2307/7246 ,  B32B2457/202 ,  C09K11/02 ,  C09K11/7734 ,  F21K9/64 ,  F21V9/30 ,  F21Y2115/10 ,  G02F1/1336 ,  G02F2001/133614

    摘要： Provided is a phosphor sheet that, despite its simplified structure, is capable of preventing deterioration in phosphors. In one of embodiments, the phosphor sheet includes moisture vapor barrier films 12 and 13 and a phosphor layer 11 that is sandwiched between the moisture vapor barrier films 12 and 13 and that includes a sulfide-based phosphor. Each of the moisture vapor barrier films 12 and 13 has an edge portion that is sealed by a cover member 14. The above structure prevents moisture vapor from entering the phosphor layer 11 from the edge portions of the moisture vapor barrier films 12 and 13, and accordingly, prevents deterioration in the phosphor(s) included in the phosphor layer 11.

    摘要翻译： 提供尽管其结构简单但能够防止荧光体劣化的荧光体片。 在一个实施例中，荧光体片包括湿气阻挡膜12和13以及夹在湿气阻挡膜12和13之间并且包括硫化物基荧光体的荧光体层11。 每个防潮膜12和13具有由盖构件14密封的边缘部分。上述结构防止湿气从湿气阻挡膜12和13的边缘部分进入荧光体层11，并且 因此，防止荧光体层11中包含的荧光体的劣化。

    PHOSPHOR SHEET, WHITE LIGHT SOURCE DEVICE INCLUDING THE PHOSPHOR SHEET, AND DISPLAY DEVICE INCLUDING THE WHITE LIGHT SOURCE DEVICE
    6.
    发明申请
    PHOSPHOR SHEET, WHITE LIGHT SOURCE DEVICE INCLUDING THE PHOSPHOR SHEET, AND DISPLAY DEVICE INCLUDING THE WHITE LIGHT SOURCE DEVICE 审中-公开

    公开(公告)号：US20190355879A1

    公开(公告)日：2019-11-21

    申请号：US16519181

    申请日：2019-07-23

    申请人： Dexerials Corporation

    发明人： Noritaka SATO ,  Koichi KISHIMOTO ,  Tomomitsu HORI ,  Yasushi ITO

    IPC分类号： H01L33/50 ,  G02B5/20 ,  C09K11/56 ,  C09K11/06 ,  G02B5/00 ,  C09K11/62 ,  G02F1/1335 ,  G02B5/22 ,  C09K11/02

    摘要： Disclosed are a phosphor sheet capable for converting light from LEDs into white light, a white light source device including the phosphor sheet, and a display device including the white light source device. The disclosed phosphor sheet includes a phosphor layer containing at least a phosphor and a resin; and a pair of transparent substrates sandwiching the phosphor layer. The phosphor sheet comprises a coloring material having an absorption maximum wavelength of at least one of from 480 nm to 510 nm or from 570 nm to 620 nm. The coloring material is contained in the phosphor layer. The transparent substrates are adhered to both surfaces of the phosphor layer. the phosphor layer has a thickness of 20 μm to 200 μm. An indicator of the usage amount of the coloring material defined by the following formula is 0.003 to 0.028: (indicator of the usage amount of the coloring material)=((blending amount of the coloring material in the phosphor layer)/(blending amount of a resin in the phosphor layer))×(the thickness of the phosphor layer (μm)).