Title:
コリメータ組立体
Document Type and Number:
Japanese Patent JP5715982
Kind Code:
B2
Abstract:
A flat refractive collimator assembly including a light guide and a light source, for example, an LED. The sides of the light guide defines a collimating reflective surface having a paraboloidal shape with a collimating focal point placed on the axis of the light guide. The central portion of the light guide defines a main reflective surface having a virtual focal point, which is substantially similar to the collimating focal point. The collimating reflective surface is a paraboloidal surface or is formed as a plurality of paraboloidal segments having various focal lengths and having a common collimating focal point. The collimating reflective surface can also include spread optics.
Inventors:
Zudith Love Zwak
Miroslav Kropach
Milan chernek
Miroslav Kropach
Milan chernek
Application Number:
JP2012076223A
Publication Date:
May 13, 2015
Filing Date:
March 29, 2012
Export Citation:
Assignee:
Varroc Lighting Systems S.R.O.
International Classes:
F21S8/10; F21V5/00; F21V5/04; G02B5/10; G02B17/08
Domestic Patent References:
| JP2005190669A | ||||
| JP61090103U | ||||
| JP2000067610A |
Foreign References:
| US4580197 |
Attorney, Agent or Firm:
Koichi Tsujii
Sadao Kumakura
Disciple Maru Ken
Ino Sato
Mitsuru Matsushita
Ichiro Kurasawa
Ken Iwagami
Sadao Kumakura
Disciple Maru Ken
Ino Sato
Mitsuru Matsushita
Ichiro Kurasawa
Ken Iwagami