Genius Electronic Optical (xiamen) Co., Ltd.

Genius Electronic Optical Co., Ltd.

Pei-Chi Wang

Sheng-Wei Hsu

Yu-Ming Chen

Yi-Ling Huang

Ching-Hung Chen

Yen-Cheng Huang

An optical imaging lens includes first, second, third, fourth, fifth, and sixth lens elements sequentially along an optical axis from an object side to an image side. Each of the first to the sixth lens elements includes an object-side surface facing the object side and allowing imaging rays to pass through and an image-side surface facing the image side and allowing the imaging rays to pass through. The optical imaging lens satisfies conditions of Gallmax/Fno≥3.600 millimeters, EFL/ImgH≥3.200, and Gallmax/Tavg≥3.300; here, Gallmax represents a largest air gap along the optical axis between the first lens element and an image plane, Fno, EFL, and ImgH respectively represent an F-number, an effective focal length, and an image height of the optical imaging lens, and Tavg represents an average lens element thickness of all of the lens elements along the optical axis from the object side to the image plane.

Optical imaging lens

In an optical imaging lens, a first lens element has negative refracting power, a second lens element has negative refracting power, an optical axis region of the object-side surface of the third lens element is concave, an optical axis region of the object-side surface of the fourth lens element is convex, an optical axis region of the object-side surface of the fifth lens element is convex, a sixth lens element is arranged to be a lens element in a second order from an image-side to an object-side and a seventh lens element is arranged to be a lens element in a first order from the image-side to the object-side to satisfy: (G23+T3+T4+G45)/L57&#x2265;2.700 and1+2&#x2264;80.000.

Optical imaging lens including seven lenses of &#x2212;&#x2212;++&#x2212;++ refractive powers, or eight lenses of &#x2212;&#x2212;++&#x2212;+&#x2212;+, &#x2212;&#x2212;+++&#x2212;+&#x2212;, &#x2212;&#x2212;&#x2212;+&#x2212;+&#x2212;+ or &#x2212;&#x2212;+++&#x2212;++ refractive powers

An optical imaging lens including a first, a second, a third, a fourth, a fifth, and a sixth lens elements arranged in sequence from an object side to an image side. Each of the lens elements includes an object-side surface and an image-side surface. The first to sixth lens elements have refracting power. The second lens element has a negative refracting power. An optical axis region of the image-side surface of the third lens element is concave. There is no air gap between the fourth lens element and the fifth lens element. A ratio between a distance on an optical axis from the image-side surface of the first lens element to the object-side surface of the fourth lens element and a thickness of the first lens element along the optical axis is less than or equal to 3.000.

An optical imaging lens including a first lens element, a second lens element, a third lens element, an aperture, a fourth lens element and a fifth lens element is provided. The first lens element is arranged to be a lens element of which refracting power being equal to 0 inverse millimeter (mm) in a first order from the object-side to the image-side. The second lens element is arranged to be a lens element having refracting power in a first order from the first lens element to the image-side. The third lens element is arranged to be a lens element having refracting power in a second order from the first lens element to the image-side. The fourth and fifth lens element are respectively arranged to be lens elements having refracting power in a first and a second order from the aperture to the image-side.

An imaging lens includes first, second, third, fourth, fifth and six lens elements arranged in order from an object side to an image side along an optical axis. Each lens element has an object-side surface and an image-side surface. The image-side surface of the second lens element has a concave portion in a vicinity of the optical axis. The third lens element has negative refractive power. The object-side surface of the third lens element has a concave portion in a vicinity of the optical axis. The object-side surface of the fifth lens element has a convex portion in a vicinity of a periphery. All lens elements of the imaging lens having the refractive power are only the first, second, third, fourth, fifth and six lens elements.

An optical imaging lens including a first lens element to a sixth lens element arranged in sequence from an object side to an image side along an optical axis is provided. The first lens element to the third lens elements are respectively arranged to be lens elements in a first, a second and a third order from the object side to the image side. The fourth lens element to the sixth lens element are respectively arranged to be lens elements in a first, a second and a third order from an aperture to the image side.

The present disclosure provides for various embodiments of optical imaging lenses. An optical imaging lens may comprise six lens elements positioned in an order from an object side to an image side. By controlling the convex or concave shape of the surfaces of the lens elements, the optical imaging lens may provide great view angle and proper length of the optical imaging lens and improve the imaging quality.

The present disclosure provides for various embodiments of optical imaging lenses. An optical imaging lens may comprise at least five lens elements positioned in an order from an object side to an image side. By controlling the convex or concave shape of the surfaces of the lens elements and designing parameters satisfying at least an inequality, the optical imaging lens may exhibit better optical characteristics, the total length of the optical imaging lens may be shortened, and the view angle and f-number may also be improved.

An optical imaging lens sequentially includes a first, a second, a third, a fourth, a fifth, and a sixth lens elements from an object side to an image side along an optical axis. Each of the lens elements includes an object-side surface and an image-side surface. The second lens element has negative refracting power. A periphery region of the object-side surface of the fourth lens element is convex. A periphery region of the image-side surface of the fifth lens element is convex. The optical imaging lens satisfies following conditions: HFOV&#x2264;45&#xb0;; 2.000&#x2264;D1/D2, and TTL/T6&#x2264;6.300.

An optical lens assembly includes a first lens of an image-side surface with a concave portion near its optical-axis and a concave portion near its periphery, a second lens of negative refractive power and of an object-side surface with a concave portion near its periphery, a third lens of an object-side surface with a concave portion near its periphery, a fourth lens of an image-side surface with a convex portion near its optical-axis and a convex portion near its periphery, a fifth lens of positive refractive power and an image-side surface with a concave portion near its optical-axis, and a sixth lens of an image-side surface with a concave portion near its optical-axis. A total thickness of all six lens elements ALT, an air gap Gbetween the fifth lens element and the sixth lens element and a sixth lens element thickness Tsatisfy ALT/(G+T)&#x2264;2.6.

Optical lens assembly

An optical imaging lens includes first, second, third, fourth, and fifth lens elements arranged in sequence from an object side to an image side along an optical axis. Each lens element has an object-side surface and an image-side surface. The image-side surface of the first lens element has a convex portion in an optical axis region. The second lens element has negative refractive power. The object-side surface of the second lens element has a convex portion in an optical axis region. The third lens element has positive refractive power. The image-side surface of the third lens element has a concave portion in an optical axis region. The object-side surface of the fourth lens element has a concave portion in an optical axis region. The object-side surface of the fifth lens element has a convex portion in an optical axis region.

An optical imaging lens set includes a first lens element with an image-side surface of a concave part in a vicinity of the optical axis, a second lens element with an object-side surface of a concave part in a periphery region, with an image-side surface of a concave part in a vicinity of the optical axis and of a concave part in a periphery region, a third lens element with an object-side surface of a concave part in a periphery region, a fourth lens element of positive refractive power with an object-side surface of a concave part of the optical axis, a third lens element thickness T, an air gap Gbetween the third lens element and the fourth lens element and an air gap Gbetween the fourth lens element and the fifth lens element to satisfy (T+G)/G&#x2266;1.20.

Growing community of inventors

Taichung, Taiwan

Pei-Chi Wang