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    • 1. 发明授权
    • Light emitting device and method of producing a light emitting device
    • 发光装置及其制造方法
    • US07768031B2
    • 2010-08-03
    • US11677251
    • 2007-02-21
    • Naho ItagakiTomoyuki OikeTatsuya IwasakiToru Den
    • Naho ItagakiTomoyuki OikeTatsuya IwasakiToru Den
    • H01L33/26H05B33/14
    • H05B33/14C09K11/642C09K11/883
    • To provide a DC drive type inorganic light emitting device excellent in luminous efficiency, provided is a light emitting device, including: a substrate; and a first layer and a second layer laminated on the substrate, in which the second layer is formed of a first portion containing Zn and at least one element chosen from S and Se as its constituent elements; and a second portion containing at least one element chosen from Cu and Ag and at least one element chosen from S and Se as its constituent elements; the first layer is made of a light emitting layer formed of at least one element chosen from S and Se and of Zn; and, in the second layer, the second portion has a cross section parallel to the substrate which tapers toward the first layer.
    • 为了提供发光效率优异的直流驱动型无机发光装置,提供了一种发光装置,包括:基板; 以及层叠在所述基板上的第一层和第二层,其中所述第二层由包含Zn的第一部分和选自S和Se的至少一种元素作为其构成元素形成; 和含有选自Cu和Ag中的至少一种元素的第二部分和选自S和Se的至少一种元素作为其组成元素; 第一层由由至少一种选自S和Se的元素和Zn形成的发光层制成; 并且在第二层中,第二部分具有平行于基板的横截面朝向第一层逐渐变细的横截面。