PIXELATED OPTOELECTRONIC DEVICE
    1.
    发明公开

    公开(公告)号:EP3933926A1

    公开(公告)日:2022-01-05

    申请号:EP20184095.6

    申请日:2020-07-03

    申请人: IMEC VZW

    IPC分类号: H01L27/146 H01L51/00

    摘要: A method for forming a pixelated optoelectronic stack 8 is disclosed, the method comprising (i) obtaining a stacked layer structure comprising (a) a bottom electrode layer 21, (b) an optoelectronic layer 22 over the bottom electrode layer 21, and (c) a patterned hard-mask (261) comprising a pattern over the optoelectronic layer, (ii) replicating the pattern into the optoelectronic layer 22 and the bottom electrode layer 21, thereby obtaining a first intermediate pixelated stack comprising at least two islands of stack 3 separated from one another by stack-free areas, (iii) providing an electrically insulating layer 4 on the first intermediate pixelated stack, (iv) removing a top portion of the electrically insulating layer and removing any remaining hard-mask so that a top surface of the electrically insulating layer 4 is coplanar with an exposed top surface of the first intermediate pixelated stack, yielding a second intermediate pixelated stack, and (v) forming a top transparent electrode layer 6 over the second intermediate pixelated stack.