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    Phosphor and method for manufacturing the same
    3.
    发明授权
    Phosphor and method for manufacturing the same 有权

    公开(公告)号：US10100249B2

    公开(公告)日：2018-10-16

    申请号：US15353062

    申请日：2016-11-16

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Takuya Kitabatake ,  Fusaki Fujibayashi ,  Hiroko Endo ,  Masahide Yamada

    IPC: C09K11/08 ,  C09K11/59 ,  H01L33/00 ,  C09K11/77 ,  C04B35/584 ,  C01B21/06 ,  C04B35/626 ,  H01L33/50

    Abstract: A phosphor includes a nitride including an alkaline-earth metal element, silicon, and an activator element, wherein the phosphor has a volume average particle diameter ranging from about 50 nm to about 400 nm, and an internal quantum efficiency of greater than or equal to about 60% at an excitation wavelength of 450 nm, the phosphor is represented by a formula M2Si5N8, the M includes one or more alkaline-earth metal element selected from Ca, Sr, Ba, and Mg and including at least Sr, and one or more activator element selected from Eu and Ce and including at least Eu, an amount of the Sr included in the phosphor is about 15 mol % to about 99 mol % based on total moles of the M, and an amount of the activator element included in the phosphor is about 1 mol % to 20 mol % based on the total moles of the M.

    Toner for electrostatic use
    4.
    发明授权
    Toner for electrostatic use 有权

    公开(公告)号：US10168632B2

    公开(公告)日：2019-01-01

    申请号：US15856641

    申请日：2017-12-28

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Akinori Terada ,  Masahide Yamada ,  Rie Sakurai

    IPC: G03G9/087 ,  G03G9/09

    Abstract: A toner for electrostatic use includes a binder resin including an amorphous polyester resin having a urethane bond and a crystalline polyester resin, a metal ion forming a chemical bond with the binder resin, at least one colorant forming a coordinate bond with the metal ion and being supported on the binder resin through the metal ion, and at least three elements selected from an iron element, a silicon element, a sulfur element, and a fluorine element while including at least one of an iron element, a silicon element, and a sulfur element, wherein an amount of the iron element is about 1000 ppm to about 10000 ppm as an element concentration, an amount of the silicon element is about 1000 ppm to about 5000 ppm as an element concentration, and an amount of the sulfur element is about 500 ppm to about 3000 ppm as an element concentration.

    Semiconductor package with improved signal stability and method of manufacturing the same
    5.
    发明授权
    Semiconductor package with improved signal stability and method of manufacturing the same 有权

    公开(公告)号：US09856418B2

    公开(公告)日：2018-01-02

    申请号：US14803566

    申请日：2015-07-20

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Takuya Kitabatake ,  Fusaki Fujibayashi ,  Hiroko Endo ,  Masahide Yamada ,  Takatoshi Seto

    IPC: C09K11/08 ,  C09K11/59 ,  H01L33/00 ,  C09K11/77

    CPC classification number: C09K11/7734 ,  C09K11/7792

    Abstract: Disclosed is a phosphor including at least one of a nitride and an oxynitride, wherein the nitride and the oxynitride contain an alkaline-earth metal element, silicon, and an activator element. wherein the phosphor has a volume average particle diameter of greater than or equal to about 50 nm and less than or equal to about 400 nm and an inner quantum efficiency of greater than or equal to about 60% at an excitation wavelength of about 450 nm. The method of preparing a phosphor includes a precursor preparation process of preparing a phosphor precursor particles including a silicon nitride particles, a compound containing an alkaline-earth metal element, and a compound containing an activator element, wherein the compound containing an alkaline-earth metal element and the compound containing an activator element are deposited on the surface of the silicon nitride particles; and a firing process of firing the phosphor precursor particles.

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