| US 7,558,006 B2 | ||
| Laminated lens | ||
| Soon Cheol Choi, Kyunggi-Do (Korea, Republic of); Chang Seong Jegal, Kyunggi-Do (Korea, Republic of); and Mi Young Kim, Kyunggi-Do (Korea, Republic of) | ||
| Assigned to Sekonix Co., Ltd., Kyunggi-Do (Korea, Republic of) | ||
| Filed on Jul. 10, 2007, as Appl. No. 11/775,731. | ||
| Claims priority of application No. 10-2007-0007256 (KR), filed on Jan. 23, 2007. | ||
| Prior Publication US 2008/0174885 A1, Jul. 24, 2008 | ||
| Int. Cl. G02B 3/02 (2006.01); G02B 9/14 (2006.01); G02B 9/12 (2006.01) | ||
| U.S. Cl. 359—716 [359/786; 359/785] | 10 Claims |
| 1. A high-definition imaging lens assembly, comprising:
first, second, third, and fourth lenses that are sequentially disposed from an object along an optical axis,
wherein: the first lens has positive refractive power and the second lens has negative refractive power; the first and second
lenses comprise an optical glass; a front surface of the first lens and a rear surface of the second lens are spherical; and
a rear surface of the first lens and a front surface of the second lens are substantially planar and bonded to each other,
and
wherein the third and fourth lenses comprise a plastic material and are spaced from each other, and at least one surface of
each of the third and fourth lenses is aspherical.
|