Samsung Electro-mechanics Co., Ltd.

Jae Hyuk Huh

Yong Joo Jo

Jae Hyun Baik

Byung Hyun Kim

So Mi Yang

Phil Ho Jung

You Jin Jeong

Young Suk Kang

Dong Hyuk Jang

Tae Youn Lee

Jin Se Kim

Ji Su Lee

Ju Hwa Son

Jin Hwa Jung

Sot Eum Seo

Hyo Jin Hwang

Sang Hyun Jang

A lens assembly includes a lens barrel, a plurality of lenses disposed in the lens barrel and sequentially arranged along an optical axis, and a spacer disposed between two adjacent lenses among the plurality of lenses and comprising a hole formed in the spacer in an optical axis direction, wherein an inner surface of the spacer surrounding the hole formed in the spacer includes first shapes protruding toward the optical axis, and second shapes protruding away from the optical axis, the first shapes and the second shapes alternate with each other one by one in a circumferential direction of the inner surface of the spacer, and a distance between vertices of two first shapes among the first shapes separated from each other by one second shape among the second shapes varies in the circumferential direction.

Lens assembly

An optical imaging system includes four or more lenses disposed in order from an object side. Among the lenses, a frontmost lens disposed to be closest to an object side has two or more reflective surfaces. Among the lenses, a rearmost lens disposed to be closest to an image side has an inflection point formed on at least one of an object-side surface and an image-side surface.

Optical imaging system

An imaging lens system includes a lens group including a plurality of lenses, and an optical path folding member disposed on an image side of the lens group, wherein −1.2<fR/PL<−0.40, where fR is a focal length of a rearmost lens disposed closest to an imaging plane in the lens group, and PL is a distance from an incident surface of the optical path folding member to an exit surface of the optical path folding member.

Imaging lens system

An imaging lens system is provided. The imaging lens system includes a lens group including a plurality of lenses; and an optical path folding member disposed between the lens group and an imaging plane. The lens group may include three or more lenses sequentially arranged from an object side. The optical path folding member may include a first prism and a second prism. At least one of the first prism and the second prism may include a visor that prevents a flare.

An optical imaging system includes a first lens having an object-side surface that is convex; a second lens having a refractive power and a refractive index of 1.65 or more; a third lens having a refractive power; a fourth lens having a refractive power and an object-side surface that is convex; a fifth lens having a refractive power; a sixth lens having a positive refractive power; and a seventh lens having an object-side surface that is convex, wherein the first lens through the seventh lens are sequentially disposed in numerical order from an object side of the optical imaging system toward an imaging plane of the optical imaging system, and two or more of the first lens and the third lens through the seventh lens have a refractive index of 1.6 or more.

A camera module includes a lens module including a plurality of lenses having refractive power, a first optical path folding unit disposed on the object side of the lens module and configured to refract or reflect incident light in an optical axis direction of the lens module. Among the lenses constituting the lens module, an effective radius of a lens closest to the first optical path folding unit may have substantially the same size as an effective radius of an exit surface of the first optical path folding unit.

Camera module and portable terminal

An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens disposed in order from an object side. The first lens has refractive power having a sign different from a sign of refractive power of the second lens. One of an image-side surface of the fifth lens and an object-side surface of the sixth lens is convex, and the other is concave. One of the fourth to sixth lenses has both surfaces having a freeform surface shape.

An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens sequentially arranged from an object side. At least two of the first lens, the second lens, the third lens, the fourth lens, the fifth lens, and the sixth lens include at least one inflection point. An object-side surface of the sixth lens is concave.

An optical imaging system includes a first lens having a refractive power; a second lens having a refractive power; a third lens having a refractive power; a fourth lens having a concave object-side surface; and a fifth lens having a concave object-side surface, wherein the first to fifth lenses are sequentially disposed from an object side toward an imaging plane, a thickness of the fourth lens along an optical axis is greater than a thickness of the fifth lens along an optical axis, and |f/f1+f/f2|<1.2, where f is a focal length of the optical imaging system, f1 is a focal length of the first lens, and f2 is a focal length of the second lens.

An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens having a convex object-side surface, a fifth lens having a concave image-side surface, and a sixth lens, wherein the first to sixth lenses are sequentially disposed from an object side to an imaging plane. An F-number of the optical imaging system is 1.7 or less.

A lens, wherein a first profile in a first direction intersecting an optical axis and a second profile in a second direction intersecting the optical axis are different from each other, and a length of the first profile in the first direction is different from a length of the second profile in the second direction.

Lens and optical imaging system

An optical imaging system includes an optical system including at least six lenses, sequentially disposed from an object side toward an image side, an image sensor configured to convert light incident through the optical system into an electronic signal, and a variable stop configured to change an incident hole diameter and disposed toward the object side of a lens of the optical system closest to the object side, wherein TTL is a distance to an imaging plane of the image sensor from an object-side surface of the lens closest to the object side and 4.7 mm<TTL<6.00 mm, and wherein Ri is a radius of curvature of an object-side surface of a lens of the optical system second closest to the image sensor, Rj is a radius of curvature of an image-side surface of the lens that is second closest to the image sensor, and −0.5<(|Ri|−|Rj|)/(|Ri|+|Rj|)<0.5.

An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens sequentially disposed in ascending numerical order along an optical axis of the optical imaging system from an object side of the optical imaging system toward an imaging surface of an image sensor, wherein a conditional expression f/f2+f/f3<−0.4 is satisfied, where f is a focal length of the optical imaging system, f2 is a focal length of the second lens, and f3 is a focal length of the third lens, and a conditional expression TTL/(2*IMG HT)<0.69 is satisfied, where TTL is a distance along the optical axis from an object-side surface of the first lens to the imaging surface of the image sensor, and IMG HT is one-half of a diagonal length of the imaging surface of the image sensor.

An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, and a fifth lens sequentially disposed in ascending numerical order along an optical axis of the optical imaging system from an object side of the optical imaging system toward an imaging plane of the optical imaging system, wherein LfS2el/L1S1el≤0.65 and 0.05<T1/TTL<0.1 are satisfied, where LfS2el is a maximum effective radius of an image-side surface of the fifth lens, L1S1el is a maximum effective radius of an object-side surface of the first lens, T1 is a thickness of the first lens along the optical axis, and TTL is a distance along the optical axis from the object-side surface of the first lens to the imaging plane.

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Suwon-si, South Korea

Jae Hyuk Huh