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    • 47. 发明授权
    • Method of fabricating AC light emitting device having photonic crystal structure
    • 制造具有光子晶体结构的AC发光器件的方法
    • US07901964B2
    • 2011-03-08
    • US12546155
    • 2009-08-24
    • Jae-Ho LeeYeo Jin YoonEu Jin HwangJong Kyu KimJun Hee Lee
    • Jae-Ho LeeYeo Jin YoonEu Jin HwangJong Kyu KimJun Hee Lee
    • H01L33/00
    • H01L25/0753H01L33/007H01L33/20H01L2224/48137H01L2224/49107H01L2224/73265
    • Disclosed is an AC light emitting device having photonic crystal structures and a method of fabricating the same. The light emitting device includes a plurality of light emitting cells and metallic wirings electrically connecting the light emitting cells with one another. Further, each of the light emitting cells includes a first conductive type semiconductor layer, a second conductive type semiconductor layer disposed on one region of the first conductive type semiconductor layer, and an active layer interposed between the first and second conductive type semiconductor layers. In addition, a photonic crystal structure is formed in the second conductive type semiconductor layer. The photonic crystal structure prevents light emitted from the active layer from laterally propagating by means of a periodic array, such that light extraction efficiency of the light emitting device can be improved. Furthermore, the metallic wirings electrically connect a plurality of light emitting cells with one another such that an AC light emitting device can be provided.
    • 公开了具有光子晶体结构的AC发光器件及其制造方法。 发光器件包括多个发光单元和将发光单元彼此电连接的金属布线。 此外,每个发光单元包括第一导电类型半导体层,设置在第一导电类型半导体层的一个区域上的第二导电类型半导体层以及置于第一和第二导电类型半导体层之间的有源层。 此外,在第二导电型半导体层中形成光子晶体结构。 光子晶体结构防止从有源层发射的光通过周期性阵列横向传播,使得可以提高发光器件的光提取效率。 此外,金属配线将多个发光单元彼此电连接,从而可以提供交流发光装置。
    • 50. 发明授权
    • Laser irradiation device, patterning method and method of fabricating organic light emitting display (OLED) using the patterning method
    • 激光照射装置,图案化方法和使用图案化方法制造有机发光显示器(OLED)的方法
    • US07675003B2
    • 2010-03-09
    • US11286411
    • 2005-11-25
    • Jae-Ho LeeTae-Min KangSeong-Taek Lee
    • Jae-Ho LeeTae-Min KangSeong-Taek Lee
    • B23K26/06
    • H01L51/0009B23K26/073H01L51/0013H01L51/5012Y10T428/10
    • In a laser irradiation device, a patterning method and a method of fabricating an Organic Light Emitting Display (OLED) using the same. The laser irradiation device includes a light source, a mask, a projection lens, and a Fresnel lens formed at a predetermined portion of the mask to change an optical path. When an organic layer pattern is formed using the laser irradiation device, laser radiation is irradiated onto a region of an organic layer, which is to be cut, and the laser radiation is appropriately irradiated onto a region of the organic layer, which is to be separated from a donor substrate. The laser radiation irradiated onto an edge of the organic layer pattern has a laser energy density greater than that of the laser radiation irradiated onto other portions of the organic layer pattern. As a result, it is possible to form a uniform organic layer pattern and reduce damage of the organic layer.
    • 在激光照射装置,图案化方法和使用其的有机发光显示器(OLED)的制造方法中, 激光照射装置包括形成在掩模的预定部分处的光源,掩模,投影透镜和菲涅耳透镜,以改变光路。 当使用激光照射装置形成有机层图案时,将激光照射到要切割的有机层的区域上,并将激光辐射适当地照射到有机层的区域 与供体底物分离。 照射到有机层图案的边缘上的激光辐射的激光能量密度大于照射到有机层图案的其它部分上的激光辐射的激光能量密度。 结果,可以形成均匀的有机层图案并减少有机层的损伤。