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    • 3. 发明授权
    • Organic electroluminescence display apparatus and method for manufacturing the same
    • 有机电致发光显示装置及其制造方法
    • US07306346B2
    • 2007-12-11
    • US11138469
    • 2005-05-27
    • Nobuhiko FukuokaNobuyuki UshifusaIssei TakemotoYoshinori Ishii
    • Nobuhiko FukuokaNobuyuki UshifusaIssei TakemotoYoshinori Ishii
    • F21V9/16
    • H01L51/5259H01L51/5246H01L51/525
    • Inside surround desiccant pattern A surrounding an organic EL element by bonding an element substrate to a sealing board, outside surround desiccant pattern C surrounding the inside surround desiccant pattern A, and internal desiccant pattern (having a thinner film thickness than the inside surround desiccant pattern A) surrounded by the inside surround desiccant pattern A are formed on the sealing board by one time screen printing. For this purpose, a screen mask is utilized on which opening patterns for the inside and outside surround desiccant patterns A, C and an opening pattern having a narrower opening width than the opening patterns for A and C for forming an internal desiccant pattern are formed. With this configuration, it has been achieved to manufacture a highly reliable organic EL display apparatus in more simplified process.
    • 围绕有机EL元件的内部环绕干燥剂图案A​​通过将元件基板粘合到密封板,围绕内部周围干燥剂图案A​​的外部周围干燥剂图案C和内部干燥剂图案(具有比内部环绕干燥剂图案A​​更薄的膜厚度) )通过一次丝网印刷形成在密封板上由内部环绕干燥剂图案A​​包围。 为此,使用屏幕掩模,其中形成有用于内部和外部环绕干燥剂图案A​​,C的开口图案和具有比用于形成内部干燥剂图案的用于A和C的开口图案更窄的开口宽度的开口图案。 利用这种配置,已经实现了以更简化的方法制造高度可靠的有机EL显示装置。