Lens module
AssigneeSamsung Electro-Mechanics Co., Ltd.
InventorJae Hyun Baik
Life of this patent
Estimating the term…
Abstract
A lens module may include a first lens having positive refractive power, a second lens having refractive power, a third lens having positive refractive power, a fourth lens having refractive power, a fifth lens having refractive power, a sixth lens having refractive power, and a seventh lens having negative refractive power. An inflection point may be formed on an image-side surface of the sixth lens. A turning point may be formed on an image-side surface of the seventh lens. The first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens and the seventh lens are disposed in a sequential order from the first lens to the seventh lens.
Claims20
A lens module comprising:
- a first lens having positive refractive power;
- a second lens having refractive power;
- a third lens having negative refractive power;
- a fourth lens having positive refractive power;
- a fifth lens having positive refractive power;
- a sixth lens having negative refractive power, and an image-side surface of the sixth lens is convex;
- and
- a seventh lens having negative refractive power, an image-side surface of the seventh lens having one or more inflection points,
- wherein the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens and the seventh lens are disposed in a sequential order from the first lens to the seventh lens.
A lens module comprising:
- a first lens having positive refractive power;
- a second lens having refractive power;
- a third lens having negative refractive power;
- a fourth lens having positive refractive power;
- a fifth lens having positive refractive power;
- a sixth lens having refractive power;
- and
- a seventh lens having negative refractive power, an image-side surface of the seventh lens having one or more inflection points,
- wherein the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens and the seventh lens are disposed in a sequential order from the first lens to the seventh lens,
- wherein the lens module satisfies the following Conditional Expression:
- 1.0<f12/f<2.0 [Conditional Expression]
- where f12 is a synthetic focal length of the first and second lenses, and f is an overall focal length of an optical system including the first to seventh lenses.
Dependencies are inferred from the claim text.