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    • 2. 发明申请
    • Electroluminescent device
    • 电致发光器件
    • US20070052349A1
    • 2007-03-08
    • US10556614
    • 2004-05-12
    • Andrea GiraldoHerbert Lifka
    • Andrea GiraldoHerbert Lifka
    • H01J1/62
    • H01L51/5228H01L27/3246H01L27/3248H01L27/3283
    • An electroluminescent device (1) comprising a lower electrode layer (10), and an upper electrode layer (2), which are both connectable to a driving circuit (3) and electrically accessible from below, is disclosed. One or more functional layers (5) are disposed between the electrode layers (2, 10) to form an electroluminescent area The device (1) comprises a relief pattern comprising insulating positively sloped ribs (7), in-between which a well (13) is formed. The upper electrode layer (2) has an extension over at least one positively sloped rib (7), and the well (13) is arranged on a first side (7), and a contact surface (4) is arranged on a second side (7″) of the positively sloped rib (7). The extension of the upper electrode layer (2) provides for at least part of said contact surface (4) being covered by said upper electrode layer (2). Thereby, the upper electrode layer (2) becomes accessible from below in the contact surface (4). The device (1) may be used for structured cathodes in active matrix displays, and/or for reducing the sheet resistance in transparent/semi-transparent cathodes.
    • 公开了一种电致发光器件(1),其包括下电极层(10)和上电极层(2),它们都可连接到驱动电路(3)并且可从下方电接触。 一个或多个功能层(5)设置在电极层(2,10)之间以形成电致发光区域。装置(1)包括浮雕图案,该浮雕图案包括绝缘的正倾斜肋(7) ) 形成了。 上电极层(2)在至少一个正倾斜肋(7)上具有延伸部,并且阱(13)布置在第一侧(7)上,并且接触表面(4)布置在第二侧 (7)的凸缘(7“)。 上电极层(2)的延伸部分使所述接触表面(4)的至少部分被所述上电极层(2)覆盖。 由此,在接触面(4)中,上部电极层(2)能够从下方进入。 器件(1)可用于有源矩阵显示器中的结构化阴极和/或用于降低透明/半透明阴极中的薄层电阻。
    • 9. 发明授权
    • Self-aligned coverage of opaque conductive areas
    • 不透明导电区域的自对准覆盖
    • US08865394B2
    • 2014-10-21
    • US13816251
    • 2011-07-29
    • Sören HartmannChristoph RickersHerbert Friedrich BoernerHerbert LifkaHolger Schwab
    • Sören HartmannChristoph RickersHerbert Friedrich BoernerHerbert LifkaHolger Schwab
    • H01L21/70G03F7/20H01L51/52H01L51/00
    • H01L21/707H01L51/00H01L51/5212
    • The invention relates to a method enabling to apply cheap manufacturing techniques for producing reliable and robust organic thin film device (EL) comprising the steps of providing (P) a transparent substrate (1) at least partly covered with a first layer stack comprising at least one transparent layer (2), preferably an electrically conductive layer, and a pattern of first and second opaque conductive areas (31, 32) deposited on top of the transparent layer (2), depositing (D) a photoresist layer (4) made of an electrically insulating photoresist resist material on top of the first layer stack at least fully covering the second opaque conductive areas (32), illuminating (IL) the photoresist layer (4) through the transparent substrate (1) with light (5) of a suitable wavelength to make the photoresist material soluble in the areas (43) of the photoresist layer (4) having no opaque conductive areas (31, 32) underneath, removing (R) the soluble areas (43) of the photoresist layer (4), heating (B) the areas (42) of the photoresist layer (4) remaining on top of at least the second opaque conductive areas (32) to re-flow the photoresist layer (4) to cover the edges (E) of the second opaque conductive areas (32) in contact to the transparent layer (2), and hardening (H) the remaining areas (42) of the photoresist layer (4). The invention further relates to a conductive component (CC) for use in these organic thin film devices (EL) and to the organic thin film devices (EL) itself.
    • 本发明涉及一种能够应用便宜的制造技术来生产可靠和坚固的有机薄膜器件(EL)的方法,包括以下步骤:提供(P)至少部分地覆盖有至少包括第一层堆叠的第一层堆叠的透明衬底(1) 一个透明层(2),优选导电层,以及沉积在透明层(2)的顶部上的第一和第二不透明导电区域(31,32)的图案,沉积(D)制成的光致抗蚀剂层(4) 至少完全覆盖第二不透明导电区域(32)的第一层堆叠顶部上的电绝缘光致抗蚀剂材料,通过透明衬底(1)照射(IL)光致抗蚀剂层(4),其中光(5) 使光致抗蚀剂材料可溶于光致抗蚀剂层(4)的在其下方没有不透明导电区域(31,32)的区域(43)中的合适波长,去除光致抗蚀剂层(4)的可溶性区域(43) ),他 (B)至少第二不透明导电区域(32)的顶部上的光致抗蚀剂层(4)的区域(42),以再次流过光致抗蚀剂层(4)以覆盖第二不透明导电区域的边缘(E) 与透明层(2)接触的不透明导电区域(32),以及硬化(H)光致抗蚀剂层(4)的剩余区域(42)。 本发明还涉及用于这些有机薄膜器件(EL)和有机薄膜器件(EL)本身的导电元件(CC)。