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Patent Searching and Data


Title:
IMAGING LENS
Document Type and Number:
WIPO Patent Application WO/2012/169839
Kind Code:
A3
Abstract:
The present invention relates to an imaging lens, the imaging lens including, in an ordered way from an object side, a first lens having positive (+) refractive power, a second lens having negative (-) refractive power, a third lens having positive (+) refractive power, a fourth lens having positive (+) refractive power, and a fifth lens having negative (-) refractive power, wherein an aperture is interposed between the first and second lenses, and the imaging lens meets a conditional expression of 20 < V2 < 30 and 50 < V3,V4,V5 < 60, where Abbe's number of second lens is V2, Abbe's number of third lens is V3, Abbe's number of fourth lens is V4, and Abbe's number of fifth lens is V5.

Inventors:
JEONG HYEJUNG (KR)
Application Number:
PCT/KR2012/004564
Publication Date:
April 04, 2013
Filing Date:
June 08, 2012
Export Citation:
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Assignee:
LG INNOTEK CO LTD (KR)
JEONG HYEJUNG (KR)
International Classes:
G02B9/60; G02B11/30
Foreign References:
KR20110016152A2011-02-17
JP2007264180A2007-10-11
JPH07120671A1995-05-12
JPH07104180A1995-04-21
Other References:
See also references of EP 2718760A4
Attorney, Agent or Firm:
JIN, Cheon Woong et al. (Deuk-Young Bldg.423-5 Dogokdong, Gangnam-Gu, Seoul 135-855, KR)
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