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公开(公告)号：EP2328994B1
公开(公告)日：2012-12-26
申请号：EP09787177.6
申请日：2009-09-11
发明人： DE CARVALHO ESTEVES, Ana C. , COPIC, Roel , DE WITH, Gijsbertus , MAREE, Chrysostomus, H., M. , VAN DER VEEN, Niels , BROKKEN-ZIJP, Josephina, C., M. , LAVEN, Jozua
CPC分类号： C09K11/02 , C09K11/7734 , C09K11/7774 , H01L33/501 , H01L33/505 , H01L51/5036 , Y10T428/31663
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公开(公告)号：EP2328994A1
公开(公告)日：2011-06-08
申请号：EP09787177.6
申请日：2009-09-11
发明人： DE CARVALHO ESTEVES, Ana C. , COPIC, Roel , DE WITH, Gijsbertus , MAREE, Chrysostomus, H., M. , VAN DER VEEN, Niels , BROKKEN-ZIJP, Josephina, C., M. , LAVEN, Jozua
CPC分类号： C09K11/02 , C09K11/7734 , C09K11/7774 , H01L33/501 , H01L33/505 , H01L51/5036 , Y10T428/31663
摘要： A wavelength converting element (104), typically for a LED (101), is provided, comprising luminescent particles (105) dispersed in a matrix (106) comprising crosslinked polysiloxane. Crosslinked polysiloxanes are temperature stable, typically up to temperatures above 300 °C, meaning that they are stable under normal operating conditions of light emitting diodes. Further, crosslinked polysiloxanes are stable towards exposure to light, meaning that they will not degrade/discolor as a consequence of high intensity light exposure. The polymeric wavelength converter can easily be shaped in different forms. This may lead to better outcoupling of the light from a LED-converter system.
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