Title:
投写レンズおよびこれを用いた投写型表示装置
Document Type and Number:
Japanese Patent JP5468966
Kind Code:
B2
Abstract:
A projection lens includes a first lens having at least an aspheric surface, a second lens having a concave surface facing the reduction side of the projection lens, and having negative refractive power, a third lens, a fourth lens, a fifth lens, a sixth lens having a convex surface facing the reduction side, and having positive refractive power, and the like, which are sequentially arranged from the magnification side of the projection lens. Further, the following formulas (1) and (2) are satisfied: 3.5
Inventors:
Riki Yamamoto
Application Number:
JP2010086578A
Publication Date:
April 09, 2014
Filing Date:
April 02, 2010
Export Citation:
Assignee:
FUJIFILM Corporation
International Classes:
G02B13/16; G02B13/04; G02B13/18
Domestic Patent References:
JP9304694A | ||||
JP4174810A | ||||
JP2004177435A | ||||
JP2000292692A | ||||
JP7035975A | ||||
JP2007114397A | ||||
JP2003015033A | ||||
JP2006235372A |
Attorney, Agent or Firm:
Yanagita Seiji
Go Sakuma
Go Sakuma