The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 12, 2013
Filed:
Dec. 05, 2011
Chuan-hui Yang, Tainan, TW;
Chuan-Hui Yang, Tainan, TW;
Himax Technologies Limited, Tainan, TW;
Abstract
A lens module includes a first lens group and a second lens group. The first lens group includes a first substrate, a diaphragm, a first lens, and second lens. The diaphragm with a aperture is disposed on the first side of the first substrate. The first lens and the second lens are respectively disposed on the first side and the second side of the first substrate. The second lens group includes a second substrate, a third lens, and a fourth lens. The third lens and the fourth lens are respectively disposed on the first side and the second side of the second substrate. The lens module meets the following requirements: 1.5<F1/Ft<2; and 1.5<F2/Ft<2, in which Ft represents a effective total focal length of the lens module, F1 represents an effective focal length of the first lens group, and F2 represents an effective focal length of the second lens group.