专利名称：LIGHT ACQUISITION SHEET AND ROD, AND
LIGHT RECEIVING DEVICE AND LIGHTEMITTING DEVICE EACH USING THE LIGHTACQUISITION SHEET OR ROD
发明人：NISHIWAKI, Seiji申请号：EP11830348.6申请日：20110928公开号：EP2626729A1公开日：20130814
专利附图：
摘要：A light-trapping sheet of the present invention includes: a light-transmitting
sheet 2 having first and second principal surfaces; and a plurality of light-couplingstructures 3 arranged in an inner portion of the light-transmitting sheet at a first distanceor more and a second distance or more from the first and second principal surfaces,respectively, wherein: each of the plurality of light-coupling structures 3 includes a firstlight-transmitting layer, a second light-transmitting layer, and a third light-transmittinglayer arranged therebetween; a refractive index of the first and second light-transmittinglayers is smaller than a refractive index of the light-transmitting sheet 2; a refractive indexof the third light-transmitting layer is larger than the refractive index of the first andsecond light-transmitting layers; and the third light-transmitting layer has a diffractiongrating parallel to the first and second principal surfaces of the light-transmitting sheet.
申请人：Panasonic Corporation
地址：1006, Oaza Kadoma Kadoma-shi Osaka 571-8501 JP
国籍：JP
代理机构：Grünecker, Kinkeldey, Stockmair & Schwanhäusser
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