(19)
(11) EP 2 500 633 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
06.05.2015 Bulletin 2015/19

(43) Date of publication A2:
19.09.2012 Bulletin 2012/38

(21) Application number: 12159434.5

(22) Date of filing: 14.03.2012
(51) International Patent Classification (IPC): 
F21V 14/08(2006.01)
F21V 11/16(2006.01)
 F21S 8/12(2006.01)
F21S 8/10(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 15.03.2011 JP 2011056861

(71) Applicant: Koito Manufacturing Co., Ltd.
Tokyo 108-8711 (JP)

(72) Inventors:
  • Yamamoto, Teruaki
    Shizuoka-shi, Shizuoka (JP)
  • Sazuka, Kiyoshi
    Shizuoka-shi, Shizuoka (JP)
  • Tokutake, Hiroki
    Shizuoka-shi, Shizuoka (JP)
  • Takada, Kenichi
    Shizuoka-shi, Shizuoka (JP)
  • Yasuda, Yuji
    Shizuoka-shi, Shizuoka (JP)
  • Ohshio, Hirohiko
    Shizuoka-shi, Shizuoka (JP)
  • Yamamichi, Tatsuhiko
    Shizuoka-shi, Shizuoka (JP)

(74) Representative: Grünecker Patent- und Rechtsanwälte PartG mbB 
Leopoldstraße 4
80802 München
80802 München (DE)

   


(54) Vehicle headlamp


(57) A lamp unit (210) includes: a projection lens (20) that radiates light from a light source (14); and a shade (110,120,130) interposed between the light source and the projection lens and for forming a light distribution pattern having a first cutoff line extending horizontally from a neighborhood of a center of the light distribution pattern and a second cutoff line extending upwardly from the neighborhood of the center. The shade includes a gradation forming portion for forming a gradation in the second cutoff line in the second cutoff line forming edge portion. The gradation is for making variations gradual in illumination in the portion of the second cutoff line than that in an area of the neighborhood of the center.







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Search report