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    • 7. 发明申请
    • HIGH LIGHT EXTRACTION EFFICIENCY LIGHT EMITTING DIODE (LED) THROUGH MULTIPLE EXTRACTORS
    • 高亮度提取效率LED发光二极管(LED)通过多个萃取器
    • US20100289043A1
    • 2010-11-18
    • US11940848
    • 2007-11-15
    • David J. F. AurelienClaude C. A. WeisbuchAkihiko MuraiSteven P. DenBaars
    • David J. F. AurelienClaude C. A. WeisbuchAkihiko MuraiSteven P. DenBaars
    • H01L33/58H01L21/28
    • H01L33/20H01L33/10H01L2933/0083
    • An (Al,In,Ga)N and ZnO direct wafer bonded light emitting diode (LED), combined with a second light extractor acting as an additional light extraction method. This second light extraction method aims at extracting the light which has not been extracted by the ZnO structure, and more specifically the light which is trapped in the (Al,In,Ga)N layer. This second method is suited for light extraction from thin films, using surface patterning or texturing, or a photonic crystal acting as a diffraction grating. The combination of both the ZnO structure and the second light extraction method enables most of the emitted light from the LED to be extracted. In a more general extension of the present invention, the ZnO structure can be replaced by another material in order to achieve additional light extraction. In another extension, the (Al,In,Ga)N layer can be replaced by structures comprising other materials compositions, in order to achieve additional light extraction.
    • An(Al,In,Ga)N和ZnO直接晶圆键合发光二极管(LED),与作为附加光提取方法的第二光提取器组合。 该第二光提取方法旨在提取未被ZnO结构提取的光,更具体地说是捕获在(Al,In,Ga)N层中的光。 该第二种方法适用于使用表面图案化或纹理化的薄膜,或用作衍射光栅的光子晶体进行光提取。 ZnO结构和第二光提取方法的组合使得能够提取来自LED的大部分发射光。 在本发明的更一般的扩展中,为了实现额外的光提取,可以用另一种材料代替ZnO结构。 在另一个延伸部分中,(Al,In,Ga)N层可以由包括其它材料组成的结构代替,以便实现额外的光提取。
    • 8. 发明授权
    • Light emitting device
    • 发光装置
    • US09018656B2
    • 2015-04-28
    • US13201853
    • 2010-02-23
    • Akihiko MuraiMasaharu YasudaTomoya IwahashiKazuyuki Yamae
    • Akihiko MuraiMasaharu YasudaTomoya IwahashiKazuyuki Yamae
    • H01L33/00H01L33/38H01L33/40H01L33/62H01L33/10H01L33/44H01L33/64
    • H01L33/387H01L33/10H01L33/405H01L33/44H01L33/62H01L33/647H01L2924/0002H01L2924/00
    • The light emitting device comprises a mounting substrate and an LED chip which comprises an n-type nitride semiconductor layer, a nitride light emission layer on the n-type nitride semiconductor layer, p-type nitride semiconductor layer on the nitride light emission layer, an anode electrode opposite of the nitride light emission layer from the p-type nitride semiconductor layer, and a cathode electrode on the n-type nitride semiconductor layer. The mounting substrate has a patterned conductor which is connected to the cathode electrode through a bump and also connected to the anode electrode through a bump. The LED chip further comprises one or more dielectric layer between the p-type nitride semiconductor layer and the anode electrode to have an arrangement which resembles an island. The p-type nitride semiconductor layer has a first region which is overlapped with the bump. The dielectric layer is not formed within the first region.
    • 发光装置包括安装基板和LED芯片,其包括n型氮化物半导体层,n型氮化物半导体层上的氮化物发光层,氮化物发光层上的p型氮化物半导体层, 与p型氮化物半导体层的氮化物发光层相反的阳极电极以及n型氮化物半导体层上的阴极电极。 安装基板具有图案化的导体,其通过凸块连接到阴极电极,并且还通过凸块连接到阳极电极。 LED芯片还包括在p型氮化物半导体层和阳极之间的一个或多个介电层,以具有类似于岛的布置。 p型氮化物半导体层具有与凸块重叠的第一区域。 电介质层不形成在第一区域内。
    • 10. 发明申请
    • LIGHT EMITTING DEVICE
    • 发光装置
    • US20110248239A1
    • 2011-10-13
    • US13141217
    • 2009-12-21
    • Akihiko Murai
    • Akihiko Murai
    • H01L33/06H01L33/42
    • H01L33/20H01L33/08H01L33/38
    • A light emitting device includes a substrate, and an LED chip mounted on the substrate. The chip includes: a body comprising a transparent conductor which comprises a base and sticks out of the base to taper off from the base; a light source comprising light emitting parts separately formed on the base; a first terminal formed on the base; and second terminals formed on the light emitting parts, respectively. A conductive pattern of the substrate includes: a first conductor electrically connected with the first terminal; and second conductors electrically connected with the second terminals, respectively.
    • 发光器件包括衬底和安装在衬底上的LED芯片。 芯片包括:主体,其包括透明导体,该透明导体包括基部并从基部伸出以从基部渐尖; 光源,其包括分别形成在所述基座上的发光部; 形成在基座上的第一端子; 以及分别形成在发光部分上的第二端子。 基板的导体图案包括:与第一端子电连接的第一导体; 以及分别与第二端子电连接的第二导体。