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    • 7. 发明申请
    • LIGHT SOURCE
    • 光源
    • WO2004097946A3
    • 2005-08-25
    • PCT/DE2004000800
    • 2004-04-15
    • OSRAM OPTO SEMICONDUCTORS GMBHBOGNER GEORGGROETSCH STEFAN
    • BOGNER GEORGGROETSCH STEFAN
    • H01L33/58G02B27/14G02F1/13
    • H01L33/58G03B21/2033G03B21/208H04N9/3152H04N9/3164
    • The invention relates to a light source, particularly a projection light source for a projection system, comprising a multitude of semiconductor chips and at least two, preferably three different electromagnetic radiation-emitting types of chips with different emission spectra. Each semiconductor chip has a chip extraction surface via which the radiation is extracted. The light source also a multitude of primary optics elements, and a primary optics element is assigned to each semiconductor chip. Each primary optics element has a light input and a light output and reduces the divergence of at least one portion of the radiation emitted by the semiconductor chip during the operation thereof. The semiconductor chips are arranged with the primary optics elements in at least two interspaced groups so that the groups emit separate cones of light when the semiconductor chips are in operation. The separate cones of lights of the groups are superimposed by means of secondary optics to form a combined cone of light.
    • 本发明涉及一种光源,特别是投影光源的投影系统具有至少两个,优选三个多个半导体芯片,并且电磁辐射发射具有不同发射光谱,其中,每个半导体芯片具有芯片输出芯片位置,被辐射耦合输出。 此外,所述光源中的各种主光学元件,其中每个半导体芯片被分配一个主光学元件,其每一个具有光输入端和光输出,并通过它们的辐射的操作期间从半导体芯片发射的光的至少一部分的发散减小。 半导体芯片被布置成在至少两个局部地分开的组的主光学元件,使得该组中的半导体芯片的工作期间发射单独的光锥。 组的单独的光锥被叠加由二次光学器件的装置,以形成光的一个共同的光束。