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    • 4. 发明授权
    • Substrate for organic EL and method for manufacturing the same
    • 有机EL用基板及其制造方法
    • US07604864B2
    • 2009-10-20
    • US11340964
    • 2006-01-26
    • Mikio MasuichiYoshihiro Fujimoto
    • Mikio MasuichiYoshihiro Fujimoto
    • G02B5/20
    • H01L27/3283H01L51/0005H01L51/56Y10T428/3154
    • A non-oil repellent photosensitive material layer 2 and an oil repellent photosensitive material layer 3 formed by coating on a substrate 1 are exposed at the same time with light having a single wavelength (I-line) in accordance with bank regions and thereafter developed. In consequence, banks 300 are formed having a double-layer structure which is comprised of bottom layer portions 31 of a non-oil repellent material and top layer portions 32 of an oil repellent material. This blocks organic EL materials supplied between the banks 300 from moving beyond tops of the banks 300 and prevents color mixing of the organic EL materials. Further, since the bottom layer portions 31 between which organic layers are formed are made of the non-oil repellent material, the profiles of the organic layers will not change due to surface tension.
    • 通过涂布在基板1上形成的防油性感光材料层2和防油性感光材料层3同时用与银行区域的单一波长(I线)的光同时曝光,然后显影。 因此,堤300形成为具有由拒油材料的底层部分31和防油材料的顶层部分32组成的双层结构。 这阻挡了在堤岸300之间提供的有机EL材料移动超过堤岸300的顶部并且防止了有机EL材料的混色。 此外,由于形成有机层的底层部31由防油性材料构成,所以有机层的轮廓由于表面张力而不会变化。