Samsung Electro-mechanics Co., Ltd.

Yong Joo Jo

Ju Hwa Son

Jin Hwa Jung

Tae Youn Lee

Jae Hyun Baik

Hag Chul Kim

Ga Young An

Phil Ho Jung

Jae Hyuk Huh

Il Yong Park

Young Suk Kang

Dong Shin Yang

Hyo Jin Hwang

Sot Eum Seo

Min Hyuk Im

Kil Soo Shin

Ho Sik Yoo

Ju Sung Park

In Gun Kim

Byung Hyun Kim

Hwan Soo Park

Sang Hyun Jang

Jung Hui Ko

Jong Gi Lee

So Mi Yang

In Do Seo

Ki Jin Nam

Tae Yeon Lim

Hyuk Joo Kim

Kyu Min Chae

Young Su Jin

Eun Chong Lee

Jin Jong Kim

Jin Se Kim

Dong Hyuk Jang

Jung Kyun Cho

Joon Hee Byun

Che Young Lim

Byung Woo Kang

Tae Kyung Lee

Ho Sik You

Dae Hyun Jeong

Seong Chan Park

Young Gi Kim

Jung Ho Ryu

Yeun Ho Jung

Ho Jeong You

Seong Ho Hwang

Hye Lee Kim

Ji Hye Nam

Moon Sik Jung

Oui Serg Kim

Hark Lim Choi

Ga Yeon Ju

Chan Soo Kim

Hyung Min Choi

Il Woo Seok

Jong Cheol Park

Do Hyeong Jang

Jong Hyouk Kim

Seong Ho Eom

Jong Won Yun

An imaging lens system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens disposed in order from an object side. In the imaging lens system, the first lens has positive refractive power and an object-side surface of the first lens is concave. A field of view of the imaging lens system is 100 degrees or more. In the imaging lens system, a distance TTL from the object-side surface of the first lens to an imaging plane and a height ImgH of the imaging plane satisfy TTL/ImgH<1.5.

Imaging lens system

An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens and an eighth lens disposed sequentially from an object side The first lens and the second lens each have a positive refractive power, and the third lens has a negative refractive power, and D12/D_MAX<0.15 is satisfied, where D12 is a distance on an optical axis between an image-side surface of the first lens and an object-side surface of the second lens, and D_MAX is a greatest distance among distances between neighboring lenses.

Optical imaging system including eight lenses of ++-+--+-, ++-+-++-, ++---++ - or ++---++- refractive powers

An optical imaging system includes a first lens having an image-side surface that is concave; a second lens having a refractive power; a third lens having an object-side surface that is convex; a fourth lens having an image-side surface that is concave; a fifth lens having a refractive power; and a sixth lens having a refractive power and an image-side surface having an inflection point, wherein the first lens through the sixth 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 the optical imaging system satisfies TL/(2Y)≤1.01 and 1.2≤tan θ, where TL is a distance from an object-side surface of the first lens to the imaging plane, 2Y is a diagonal length of the imaging plane, and θ is half a field of view of the optical imaging system.

Optical imaging system

A lens includes a lens unit, an uneven layer formed on at least a portion of a surface of the lens unit, a buffer layer covering the uneven layer and having a shape conforming to an uneven surface of the uneven layer, and a water-repellent layer covering the buffer layer.

Lens, lens assembly, and mobile electronic device

An imaging lens system includes a first lens, a second lens, a third lens having negative refractive power, a fourth lens, a fifth lens, and a sixth lens, disposed in order from an object side in a direction of an imaging plane, wherein one or more of the first to sixth lenses has a refractive index of 1.8 or greater, and has a refractive index temperature coefficient (10/° C.) of 3 or greater.

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 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 the first to seventh lenses are spaced apart from each other along the optical axis, and the optical imaging system satisfies 0.1<L1w/L7w<0.4, where L1w is a weight of the first lens, L7w is a weight of the seventh lens, and L1w and L7w are expressed in a same unit of measurement.

An imaging lens 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 at intervals from an object side of the imaging lens system. The imaging lens system satisfies 1.5<Nd5<1.6, 30<V5<50, and TTL/2IH<0.730, where Nd5 is a refractive index of the fifth lens, V5 is an Abbe number of the fifth lens, TTL is a distance from an object side surface of the first lens to an imaging plane, and 2IH is a diagonal length of the imaging plane.

Imaging lens system having seven lenses of +-+−- +- or +-+-++- refractive powers

Imaging lens system having seven lenses of +-+--+- or +-+-++- refractive powers

An optical imaging system includes a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a negative refractive power, a fourth lens, a fifth lens, and a sixth lens having a positive refractive power and having a convex image-side shape, sequentially arranged in a direction from an object side of the optical imaging system to an imaging plane of the optical imaging system.

An optical imaging system includes a first lens having a negative refractive power; a second lens having a negative refractive power; a third lens having a positive refractive power; a fourth lens having a negative refractive power; a fifth lens having a positive refractive power; a sixth lens having a positive refractive power; and a seventh lens having a negative refractive power. At least five of the lenses are made of a plastic material.

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 disposed sequentially from an object side. The optical imaging system satisfies −2.0<L3R2/f<−0.5 and 3.0<f/IMG_HT<4.0, where L3R2 is a radius of curvature of an image-side surface of the third lens, f is a focal length of the optical imaging system, and IMG_HT is half a diagonal length of an imaging plane.

An optical imaging system includes a plurality of fixed lenses disposed along an optical axis; a first reflective member disposed on an object side of the plurality of lenses; and a plurality of reflective members disposed on an image side of the plurality of lenses. At least one of the plurality of lenses is a variable lens having a variable focal length, and each of the plurality of reflective members is configured to move as the focal length of the variable lens changes.

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 arranged from an object side, wherein TTL/(2*Img HT)<0.7, where a distance on an optical axis from an object-side surface of the first lens to an imaging plane of an image sensor is TTL, and half of a diagonal length of the imaging plane of the image sensor is Img HT, and Fno<1.9, where an F-number of the optical imaging system is Fno.

Optical imaging system including seven lenses of +−+−++− or +−+−−+− refractive powers

An optical imaging system includes an optical path folding element, and a lens group including four or more lenses. A rearmost lens disposed closest to an imaging plane in the lens group has positive refractive power, and a rearward lens disposed closest to an object side of the rearmost lens has negative refractive power.

An optical imaging system includes a first lens group that can move in an optical direction and has negative refractive power; a second lens group that can move in the optical direction and has positive refractive power; and a third lens group that can move in the optical direction and has negative refractive power. The first lens group, the second lens group, and the third lens group include seven lenses in total, and at least one of the seven lenses includes an aspherical surface.

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Suwon-si, South Korea

Yong Joo Jo