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    • 4. 发明专利
    • Vehicle lamp having a tapered inner lens
    • JP5368178B2
    • 2013-12-18
    • JP2009139264
    • 2009-06-10
    • 株式会社小糸製作所
    • 成彦 風岡晴仁 高橋
    • F21S8/10F21V5/00F21V5/04F21W101/12F21Y101/02
    • PROBLEM TO BE SOLVED: To form a light emitting part of an inner lens to be tapered off to make an LED light source invisible from outside and to diffuse the light from the LED source in a wide range at an inclined surface of the light emitting part to make the whole of an outer lens emit light brightly by one LED light source. SOLUTION: In a side turn signal lamp 1, a lens portion 4a of an outer lens 4 is exposed from an opening 3 of a mirror housing 2, and an LED light source 9 is mounted on a light source base board 7 on a mirror housing 2 inner side, and the light is guided to the lens portion 4a by the inner lens 5. The inner lens 5 includes a light guide part 19 for making the light from an incident part 17 go straight along a main optical axis A and a light emitting part 20 for emitting the light from the light guide part 19. The light emitting part 20 is formed tapered-off by a pair of inclined surfaces opposing each other and is inserted into an insertion hole 14 of the lens portion 4a. The inclined surfaces reflect the light from the LED light source 9 and diffuse around the main optical axis A from the inclined surface on the opposite side. COPYRIGHT: (C)2011,JPO&INPIT