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    • 1. 发明专利
    • Vehicle lamp
    • JP5477812B2
    • 2014-04-23
    • JP2010139033
    • 2010-06-18
    • 株式会社小糸製作所
    • 絢也 中田麻美 仲田義明 古谷
    • F21S8/10F21Y101/02G02B3/00G02B5/04
    • F21S43/245F21S43/237
    • A vehicular lamp includes a lamp outer case formed by a cover and a lamp housing; a light source disposed inside the lamp outer case; and a light guide that guides light emitted from the light source, wherein the light guide is shaped as a column. The light guide includes a first extension portion that extends on a horizontal plane side, and a second extension portion that extends on a vertical plane side with respect to a reference line that extends in a direction inclined 45 degrees with respect to the horizontal plane. An outer surface of the light guide includes an incident surface to which light emitted from the light source is incident, an internal reflection surface that internally reflects light incident from the incident surface, and a radiation surface that is formed as an outward-convexly curved surface and radiates at least light reflected by the internal reflection surface. &rgr;1 is a curvature of the radiation surface in a cross section perpendicular to a direction in which the first extension portion extends, &rgr;2 is a curvature of the radiation surface in a cross section perpendicular to a direction in which the second extension portion extends, and &rgr;1 is smaller than &rgr;2.
    • 2. 发明专利
    • Vehicle lamp
    • 空值
    • JP5442321B2
    • 2014-03-12
    • JP2009132863
    • 2009-06-02
    • 株式会社小糸製作所
    • 玉晃 杉浦春馬 湯浅麻美 仲田浩哉 小泉賢治 延原
    • F21S8/10F21V5/04F21Y101/02H01L33/60
    • F21S43/315F21S43/14F21S43/241F21S43/243F21S43/249F21S43/26F21W2103/00F21Y2115/10
    • A vehicle lamp is provided with a light source (21) and a lens (31, 32, 31A, 32A). The lens (31, 32, 31A, 32A) is formed in a bowl shape having a central bottom (34a) faces to the light source (21). The lens (31, 32, 31A, 32A) is provided with a forward illuminating region (A0, A1, A2) and a sideward illuminating region (A3). The forward illuminating region (A0, A1, A2) is positioned on the bottom (34a) and a part (34c, 34d, 35d, 30c) of peripheral regions of the lens and configured to irradiate a part of a light from the light source (21) in a forward direction along an optical axis (Ox) of the lamp. The sideward illuminating region (A3) is positioned on an another part (35f, 35g, 35h, 37c) of the peripheral regions of the lens and configured to irradiate an another part of the light from the light source (21) in a sideward direction of the lamp.
    • 车辆灯具设置有光源(21)和透镜(31,32,31A,32A)。 透镜(31,32,31A,32A)形成为具有面向光源(21)的中心底(34a)的碗状。 透镜(31,32,31A,32A)具有正向照明区域(A0,A1,A2)和侧面照明区域(A3)。 正面照明区域(A0,A1,A2)位于透镜的周边区域的底部(34a)和周边区域(34c,34d,35d,30c)上,并且被配置为照射来自光源的一部分光 (21)沿着灯的光轴(Ox)在向前方向上。 侧面照明区域(A3)位于透镜的周边区域的另一部分(35f,35g,35h,37c)上,并被配置为沿着侧向照射来自光源(21)的另一部分光 的灯。
    • 9. 发明专利
    • Vehicle lamp
    • JP5313742B2
    • 2013-10-09
    • JP2009091964
    • 2009-04-06
    • 株式会社小糸製作所
    • 麻美 仲田賢治 延原
    • F21S8/10F21V7/09F21Y101/02
    • PROBLEM TO BE SOLVED: To provide a lighting fixture for a vehicle for making uniform irradiation to frontward direction including side regions. SOLUTION: The lighting fixture 10 includes a first reflector 16 reflecting a part of emitted light from a light source 15 frontward, a second reflector 17 arranged more frontward than the first reflector 16 and reflecting the emitted light from the light source 15, and a third reflector 18 reflecting frontward the reflected light from the second reflector 17. Then, an integrated value of emitting angles of the emitted lights from the light source 15 emitted to a whole of reflecting faces 30, 31, 32 of the second reflector 17 is larger than the integrated value of emitted angels of the emitted lights to a whole of a reflecting face 29 of the first reflector 16, and most of the whole reflected light reflected by the second reflector 17 is condensed on a reflecting face 33 of the third reflector 18. COPYRIGHT: (C)2011,JPO&INPIT