中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

80 records (took 0.025 seconds)

    NITRIDE FLUORESCENT MATERIAL AND LIGHT EMITTING DEVICE
    72.
    发明申请
    NITRIDE FLUORESCENT MATERIAL AND LIGHT EMITTING DEVICE 审中-公开

    公开(公告)号：US20180057739A1

    公开(公告)日：2018-03-01

    申请号：US15683262

    申请日：2017-08-22

    Applicant: NICHIA CORPORATION

    Inventor： Sadakazu WAKUI ,  Shoji HOSOKAWA

    IPC: C09K11/77 ,  C09K11/08 ,  C09K11/02 ,  H01L33/50

    CPC classification number: C09K11/7734 ,  C09K11/025 ,  C09K11/0883 ,  H01L33/502 ,  H01L33/504 ,  H01L33/507

    Abstract: A nitride fluorescent material containing at least one element selected from the group consisting of Ca, Sr, Ba and Mg, at least one element selected from the group consisting of Li, Na and K, at least one element selected from the group consisting of Eu, Ce, Tb and Mn, Al and N is provided, wherein when the maximum value of absorbance in 450 cm−1 or more and less than 900 cm−1 is taken as 1 in an FT-IR spectrum, an integrated value Z1 of a domain surrounded by a base line A connecting absorbance values at 1,200 cm−1 and 1,600 cm−1 and an absorbance spectrum of 1,200 cm−1 or more and less than 1,600 cm−1 is 4.0 or less, and/or an integrated value Z2 of a domain surrounded by a base line B connecting absorbance values at 2,700 cm−1 and 3,680 cm−1 and an absorbance spectrum of 2,700 cm−1 or more and less than 3,680 cm−1 is 5.0 or less.

    METHOD FOR PRODUCING BETA-SIALON FLUORESCENT MATERIAL
    78.
    发明申请
    METHOD FOR PRODUCING BETA-SIALON FLUORESCENT MATERIAL 审中-公开
    生产BET-SIALON荧光材料的方法

    公开(公告)号：US20160355731A1

    公开(公告)日：2016-12-08

    申请号：US15172862

    申请日：2016-06-03

    Applicant: NICHIA CORPORATION

    Inventor： Kenichi AOYAGI ,  Takashi KAIDE ,  Motoharu MORIKAWA ,  Shoji HOSOKAWA

    IPC: C09K11/77

    CPC classification number: C09K11/7734

    Abstract: A method for producing a β-sialon fluorescent material is provided. The method includes heat-treating a mixture containing an aluminium compound, a first europium compound, and silicon nitride to obtain a first heat-treated product; and heat-treating the first heat-treated product with a second europium compound in a rare gas atmosphere to obtain a second heat-treated product.

    Abstract translation: 提供了β-赛隆荧光材料的制造方法。 该方法包括对含有铝化合物，第一铕化合物和氮化硅的混合物进行热处理以获得第一热处理产物; 在稀有气体气氛中用第二铕化合物对第一热处理物进行热处理，得到第二热处理物。

    METHOD FOR PRODUCING BETA-SIALON FLUORESCENT MATERIAL
    79.
    发明申请
    METHOD FOR PRODUCING BETA-SIALON FLUORESCENT MATERIAL 审中-公开
    生产BET-SIALON荧光材料的方法

    公开(公告)号：US20160347999A1

    公开(公告)日：2016-12-01

    申请号：US15165580

    申请日：2016-05-26

    Applicant: NICHIA CORPORATION

    Inventor： Motoharu MORIKAWA ,  Kenichi AOYAGI ,  Takashi KAIDE ,  Shoji HOSOKAWA

    IPC: C09K11/77

    CPC classification number: C09K11/7734

    Abstract: A method for producing a β-sialon fluorescent material superior in light emitting luminance is provided. The method includes heat-treating a first mixture containing an aluminum compound, a europium compound, and a first silicon oxynitride compound to obtain a first heat-treated product, and heat-treating a second mixture containing the first heat-treated product, an aluminum compound, a europium compound, and a second silicon oxynitride compound, which has a larger oxygen content than the first silicon oxynitride compound, to obtain a second heat-treated product.

    Abstract translation: 提供了一种制造发光亮度优异的β-赛隆荧光体的方法。 该方法包括热处理包含铝化合物，铕化合物和第一氮氧化硅化合物的第一混合物以获得第一热处理产物，并且热处理含有第一热处理产物的第二混合物，铝 化合物，铕化合物和第二氮氧化硅化合物，其具有比第一氮氧化硅化合物更大的氧含量，以获得第二热处理产物。

    PHOSPHOR, LIGHT-EMITTING APPARATUS INCLUDING THE SAME, AND PHOSPHOR PRODUCTION METHOD
    80.
    发明申请
    PHOSPHOR, LIGHT-EMITTING APPARATUS INCLUDING THE SAME, AND PHOSPHOR PRODUCTION METHOD 审中-公开
    磷光体，包括其的发光装置和磷生产方法

    公开(公告)号：US20160247980A1

    公开(公告)日：2016-08-25

    申请号：US15148054

    申请日：2016-05-06

    Applicant: NICHIA CORPORATION

    Inventor： Takashi KAIDE ,  Shoji HOSOKAWA

    IPC: H01L33/50 ,  C09K11/77

    CPC classification number: H01L33/502 ,  C09K11/7766 ,  C09K11/7774 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/48257 ,  H01L2924/00014

    Abstract: A phosphor, which is represented by the general formula containing M, Ce, Pr, Si, and N, is provided. M is at least one element selected from the group consisting of La, Y, Tb and Lu. A molar ratio of M is greater than 2.0 and smaller than 3.5. A molar ratio of Ce is greater than 0 and smaller than 1.0. A molar ratio of Pr is greater than 0 and smaller than 0.05. A molar ratio of N is greater than 10 and smaller than 12, under the condition that a molar ratio of Si is set to 6. The phosphor further contains 10 to 10,000 ppm of fluorine.

    Abstract translation: 提供由含有M，Ce，Pr，Si和N的通式表示的荧光体。 M是选自La，Y，Tb和Lu中的至少一种元素。 M的摩尔比大于2.0且小于3.5。 Ce的摩尔比大于0且小于1.0。 Pr的摩尔比大于0且小于0.05。 在Si的摩尔比设定为6的条件下，N的摩尔比大于10且小于12。荧光体还含有10至10,000ppm的氟。

Patent Agency Ranking