Light extraction substrate for organic light emitting element and organic light emitting element comprising same

    公开(公告)号:US11276841B2

    公开(公告)日:2022-03-15

    申请号:US15514301

    申请日:2015-09-18

    IPC分类号: H01L51/52 H01L51/00 G02B5/02

    摘要: The present invention relates to a light extraction substrate for an organic light emitting element and, more specifically, to a light extraction substrate for an organic light emitting element that can enhance the light extraction efficiency of the organic light emitting element by optimizing a stack structure that can maximize scattering efficiency, and an organic light emitting element comprising the same. To this end, the present invention provides a light extraction substrate for an organic light emitting element and an organic light emitting element comprising the same, the light extraction substrate comprising: a base substrate; a plurality of light scattering objects arranged on the base substrate; a matrix layer formed on the base substrate to cover the plurality of light scattering objects; and a planarization layer that is formed on the matrix layer and of which the surface makes contact with an organic light emitting element, wherein at least one of the cover matrix layer, the planarization layer, and the light scattering objects has a different index of refraction.

    Substrate for display device
    3.
    发明授权

    公开(公告)号:US10451774B2

    公开(公告)日:2019-10-22

    申请号:US15506441

    申请日:2015-08-27

    摘要: The present invention relates to a substrate for a display device and, more particularly, to a substrate for a display device which has excellent durability and also can minimize generation of color shift when being applied to a display device. To this end, the present invention provides a substrate for a display device comprising: a base material; a first coating film formed on the base material; a second coating film which is formed on the first coating film and is formed of a material having a relatively lower refractive index than the first coating film; a third coating film which is formed on the second coating film and is formed of a material having a relatively higher refractive index than the second coating film; a forth coating film which is formed on the third coating film and is formed of a material having a relatively lower refractive index than the third coating film; and a hard coating film which is formed on the fourth coating film and is formed of AlON having a relatively higher refractive index than the forth coating film.

    METHOD FOR MANUFACTURING LIGHT EXTRACTION SUBSTRATE FOR ORGANIC LIGHT EMITTING ELEMENT, LIGHT EXTRACTION SUBSTRATE FOR ORGANIC LIGHT EMITTING ELEMENT, AND ORGANIC LIGHT EMITTING ELEMENT INCLUDING SAME

    公开(公告)号:US20170358776A1

    公开(公告)日:2017-12-14

    申请号:US15540755

    申请日:2015-12-29

    IPC分类号: H01L51/52 H01L51/00 H01L51/56

    摘要: The present invention relates to a method for manufacturing a light extraction substrate for an organic light emitting element, a light extraction substrate for an organic light emitting element, and an organic light emitting element that includes the same and, more specifically, to a method for manufacturing a light extraction substrate for an organic light emitting element, a light extraction substrate for an organic light emitting element, and an organic light emitting element that includes the same, which can enhance the light extraction efficiency of an organic light emitting element and, in particular, can reduce the process cost. To this end, the present invention provides the method for manufacturing a light extraction substrate for an organic light emitting element, the light extraction substrate for an organic light emitting element, and the organic light emitting element that includes the same, the method comprising: a mixture preparation step for preparing a mixture by mixing a plurality of thermoplastic polymers in a metal oxide nano-dispersion solution; a mixture coating step for coating the mixture on a base substrate; and a mixture firing step for firing the coated mixture, wherein during the mixture firing step, the plurality of thermoplastic polymers are gasified, and when the mixture firing step is completed, the metal oxide nano-dispersion solution is made as a matrix layer, and closed pores are formed in the positions within the matrix layer that were occupied by the thermoplastic polymers before the gasification.

    SUBSTRATE FOR DISPLAY DEVICE
    7.
    发明申请

    公开(公告)号:US20170255290A1

    公开(公告)日:2017-09-07

    申请号:US15508724

    申请日:2015-09-03

    IPC分类号: G06F3/041

    摘要: The present invention relates to a substrate for a display device and, more particularly, to a substrate for a display device, which not only has excellent durability, but can also minimize the occurrence of color shift when applied to a display device. To this end, the present invention provides a substrate for a display device, which is characterized by including: a substrate; a hard coat film formed on the substrate and formed of AlON; and a multilayer film formed between the substrate and the hard coat film, and formed of a coating film having a first refractive index and a coating film having a second refractive index, which are repetitively stacked in sequence.

    Substrate for display device
    8.
    发明授权

    公开(公告)号:US10401992B2

    公开(公告)日:2019-09-03

    申请号:US15508724

    申请日:2015-09-03

    摘要: The present invention relates to a substrate for a display device and, more particularly, to a substrate for a display device, which not only has excellent durability, but can also minimize the occurrence of color shift when applied to a display device. To this end, the present invention provides a substrate for a display device, which is characterized by including: a substrate; a hard coat film formed on the substrate and formed of AlON; and a multilayer film formed between the substrate and the hard coat film, and formed of a coating film having a first refractive index and a coating film having a second refractive index, which are repetitively stacked in sequence.

    SUBSTRATE FOR DISPLAY DEVICE
    10.
    发明申请

    公开(公告)号:US20170254928A1

    公开(公告)日:2017-09-07

    申请号:US15506441

    申请日:2015-08-27

    IPC分类号: G02B1/14

    摘要: The present invention relates to a substrate for a display device and, more particularly, to a substrate for a display device which has excellent durability and also can minimize generation of color shift when being applied to a display device. To this end, the present invention provides a substrate for a display device comprising: a base material; a first coating film formed on the base material; a second coating film which is formed on the first coating film and is formed of a material having a relatively lower refractive index than the first coating film; a third coating film which is formed on the second coating film and is formed of a material having a relatively higher refractive index than the second coating film; a forth coating film which is formed on the third coating film and is formed of a material having a relatively lower refractive index than the third coating film; and a hard coating film which is formed on the fourth coating film and is formed of AlON having a relatively higher refractive index than the forth coating film.