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    • 5. 发明授权
    • Light emitting device
    • 发光装置
    • US08487519B2
    • 2013-07-16
    • US10533966
    • 2003-11-04
    • Ville KettunenHartmut RudmannMarkus Rossi
    • Ville KettunenHartmut RudmannMarkus Rossi
    • H01J5/16H01J61/40H01K1/26H01K1/30
    • G02B3/0043G02B3/0037G02B3/08G02B5/1876G02B5/1885H01L25/0753H01L33/54H01L33/58H01L51/524H01L51/5275H01L2924/0002H01L2924/00
    • A light emitting device includes an electroluminescent element (1), a housing (2) and current supply device for the electroluminescent element. A micro-optical element (12) is coupled to the housing (2) and arranged such that it influences light emitted by the electroluminescent element (1). The micro-optical element may be made up of micro-optical structures on a surface of an at least partially transparent layer (11) coupled to the housing (2). The micro-optical structures may, for example, be manufactured by directly imprinting them on the at least partially transparent layer (11) coupled to the housing or by casting an at least partially transparent layer (11) including the electroluminescent element to a body of the light emitting device. The diffractive optical features of the micro-optical element (12) are designed according to the position, size and shape of the one or more electroluminescent elements (1), and output light distribution of the one or more electroluminescent elements (1).
    • 发光器件包括电致发光元件(1),壳体(2)和用于电致发光元件的电流供应装置。 微型光学元件(12)耦合到壳体(2)并且被布置成使得它影响由电致发光元件(1)发射的光。 微光学元件可以由连接到壳体(2)的至少部分透明的层(11)的表面上的微光学结构构成。 微光学结构可以例如通过将它们直接压印在耦合到壳体的至少部分透明的层(11)上,或者通过将包括电致发光元件的至少部分透明的层(11)浇铸到 发光装置。 根据一个或多个电致发光元件(1)的位置,大小和形状以及一个或多个电致发光元件(1)的输出光分布来设计微光学元件(12)的衍射光学特征。