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2. 发明公开

EP2320127A1 LIGHTING DEVICE 有权
标题翻译：照明装置
公开(公告)号：EP2320127A1
公开(公告)日：2011-05-11
申请号：EP09802915.0
申请日：2009-07-27
申请人： Nichia Corporation , Koito Industries, Ltd
发明人： KATO Masaru , WATANABE Kazunori
IPC分类号： F21S8/08 , F21V5/00 , F21V5/04 , F21V13/02 , F21Y101/02
CPC分类号： F21V5/04 , F21S2/00 , F21S4/20 , F21S8/08 , F21V5/007 , F21V5/08 , F21W2131/103 , F21Y2103/10 , F21Y2115/10
摘要： A lighting apparatus (1) is configured to include: an elongated flat substrate (2); a plurality of semiconductor light sources (3) arranged on the flat substrate in a longitudinal direction of the flat substrate; and a lens plate (4) disposed to face the semiconductor light sources, wherein the lens plate includes a lens-light-incident surface facing the semiconductor light sources and includes a lens-light-emitting surface, a first lens section (5) is formed on one of the lens-light-incident surface and the lens-light-emitting surface and distributing the light emitted by the semiconductor light source in the longitudinal direction, a second lens section (9) is formed on the other one of the lens-light-incident surface and the lens-light-emitting surface for distributing the light emitted by the semiconductor light sources in a width direction, and the first lens section has a curvature surface unit including two or more convex section curvature surfaces having different curvature radii and formed adjacent in the longitudinal direction, each convex section's curvature surface is disposed inside a facing area facing an area corresponding to a width of each semiconductor light source in the longitudinal direction.
摘要翻译：照明设备（1）被配置为包括：细长的平坦基板（2）; 多个半导体光源（3），其沿扁平基板的长度方向排列在扁平基板上; 以及与所述半导体光源对置配置的透镜板，所述透镜板具有与所述半导体光源相对的透镜光入射面，并具有透镜出射面，第一透镜部，形成在所述透镜光入射面和所述透镜光出射面中的一个上，并且将由所述半导体光源发射的光沿纵向分布，在所述透镜中的另一个上形成第二透镜部分（9）所述第一透镜部具有曲率面部，该曲率面部具有曲率半径不同的两个以上的凸部曲率面并且在纵向方向上相邻形成，每个凸部的曲率表面设置在面对与每个半导体光源的宽度对应的区域的面对区域内， itudinal方向。

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