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    • 9. 发明授权
    • Light-emitting device
    • 发光装置
    • US08916884B2
    • 2014-12-23
    • US13851997
    • 2013-03-28
    • Epistar Corporation
    • Shih-I ChenWei-Yu ChenYi-Ming ChenChing-Pei LinTsung-Xian Lee
    • H01L27/15H01L21/00H01L33/42H01L33/38
    • H01L33/42H01L33/382H01L2924/0002H01L2924/00
    • Disclosed is a light-emitting device comprising: a light-emitting stack with a length and a width comprising: a first conductivity type semiconductor layer; an active layer on the first conductivity type semiconductor layer; and a second conductivity type semiconductor layer on the active layer; a conductive layer with a width greater than the width of the first conductivity type semiconductor layer and under the first conductivity type semiconductor layer, the conductive layer comprising a first overlapping portion which overlaps the first conductivity type semiconductor layer and a first extending portion which does not overlap the first conductivity type semiconductor layer; a transparent conductive layer with a width greater than the width of the second conductivity type semiconductor layer over the second conductivity type semiconductor layer, the transparent conductive layer comprising a second overlapping portion which overlaps the second conductivity type semiconductor layer and a second extending portion which does not overlap the second conductivity type semiconductor layer; a first electrode substantially joined with only the first extending portion or a part of the first extending part; and a second electrode substantially joined with only the second extending portion or a part of the second extending portion.
    • 公开了一种发光器件,包括:具有长度和宽度的发光叠层,包括:第一导电类型半导体层; 在第一导电类型半导体层上的有源层; 和有源层上的第二导电类型半导体层; 导电层,其宽度大于第一导电类型半导体层的宽度,并且在第一导电类型半导体层下方,导电层包括与第一导电类型半导体层重叠的第一重叠部分和不与第一导电类型半导体层重叠的第一延伸部分 重叠第一导电类型半导体层; 透明导电层,其宽度大于第二导电类型半导体层上的第二导电类型半导体层的宽度,透明导电层包括与第二导电类型半导体层重叠的第二重叠部分和与第二导电类型半导体层重叠的第二延伸部分 不与第二导电类型半导体层重叠; 第一电极,仅基本上与第一延伸部分或第一延伸部分的一部分连接; 以及仅与第二延伸部分或第二延伸部分的一部分基本上接合的第二电极。