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    Light to heat conversion layer and method for manufacturing the same, and donor sheet using the same
    3.
    发明授权
    Light to heat conversion layer and method for manufacturing the same, and donor sheet using the same 有权

    公开(公告)号：US11577537B2

    公开(公告)日：2023-02-14

    申请号：US16623833

    申请日：2018-06-19

    申请人： SUMITOMO METAL MINING CO., LTD.

    发明人： Takeshi Chonan ,  Hirofumi Tsunematsu

    IPC分类号： B41M5/46 ,  H01L51/00

    摘要： A light to heat conversion layer which has visible light permeability, excellent near infrared absorption characteristics, and which can improve the transfer accuracy of an organic electroluminescent element using laser irradiation; and a donor sheet using the light to heat conversion layer. The light to heat conversion layer contains near infrared absorption particles and a binder component. The near infrared absorption particles are composite tungsten oxide microparticles wherein if the value for the XRD peak intensity of the face of a silicon powder standard sample (manufactured by NIST, 640c) is defined as 1, the value for the ratio of XRD peak top intensity is at least 0.13, and the light transmissivity is at least 45%.

    Methods for Transferring Colored Markings Onto Plastic Surfaces
    5.
    发明申请
    Methods for Transferring Colored Markings Onto Plastic Surfaces 有权

    公开(公告)号：US20220080760A1

    公开(公告)日：2022-03-17

    申请号：US17430880

    申请日：2020-02-13

    申请人： Lacotra GmbH

    发明人： Sylke Klein

    IPC分类号： B41M5/26 ,  B41M5/46

    摘要： The invention relates to a method for transferring colored markings or labels onto plastic surfaces by means of a laser beam, to a transfer medium for carrying out said method and to articles, the plastic surfaces of which are laser-marked or laser-labeled by way of such a method.

    LASER MARKING INK COMPOSITION AND PACKAGING MATERIAL
    6.
    发明申请
    LASER MARKING INK COMPOSITION AND PACKAGING MATERIAL 有权

    公开(公告)号：US20210024760A1

    公开(公告)日：2021-01-28

    申请号：US16966091

    申请日：2019-01-28

    申请人： DAINICHISEIKA COLOR & CHEMICALS MFG. CO., LTD.

    发明人： Kasumi IGARASHI ,  Hayakazu MASAOKA

    IPC分类号： C09D11/037 ,  B41M5/32 ,  B41M5/46 ,  B65D25/20 ,  C09D11/50 ,  C09D11/107

    摘要： The present invention provides a laser marking ink composition with which a laser marking layer that enables recording with satisfactory visibility can be formed. This laser marking ink composition is a laser marking ink composition containing a binder resin (A), and titanium oxide (B) that causes color development in the laser marking layer by irradiation with laser light, wherein the titanium oxide (B) comprises at least one surface-treated titanium oxide (BI) selected from the group consisting of alumina-treated titanium oxide (b1), alumina-silica composite-treated titanium oxide (b2), and ATO-treated titanium oxide (b3), and at least one of condition 1 such that a ratio of a content of the surface-treated titanium oxide (BI) to a content of the binder resin (A), (BI/A), is 2.5 to 6.5 on a solid content mass ratio basis and condition 2 such that a ratio of a content of the titanium oxide (b3) to a content of the binder resin (A), (b3/A), is 1.0 to 6.5 on a solid content mass ratio basis is satisfied.

    Thermal transfer light pen and thermal transfer apparatus
    7.
    发明授权
    Thermal transfer light pen and thermal transfer apparatus 有权

    公开(公告)号：US10696090B2

    公开(公告)日：2020-06-30

    申请号：US16008080

    申请日：2018-06-14

    申请人： Roland DG Corporation

    发明人： Fumihiro Takahashi ,  Hidetoshi Atsumi

    IPC分类号： B41J2/48 ,  B44C1/17 ,  B44C1/24 ,  B41J13/10 ,  B41J2/32 ,  B41M5/46 ,  B41J2/325 ,  B41F16/00

    摘要： A thermal transfer light pen and a thermal transfer apparatus favorably perform thermal transfer even using light as a heat source to a thermal transfer sheet and performing thermal transfer to a transfer object with an uneven surface. A thermal transfer light pen includes a hollow pen body including a front end portion, a pressing body in the front end portion of the pen body and including a curved surface projecting toward a front end, a light guide including a first end and a second end, at least a portion of the light guide inside the pen body, and a light source connected to the first end of the light guide. The second end of the light guide is disposed in the front end portion of the pen body and faces the pressing body in the pen body. The pressing body is made of a material transparent to light emitted from the light source.