Genius Electronic Optical (xiamen) Co., Ltd.

Feng Li

Jia-Sin Jhang

Maozong Lin

Feng Chen

Matthew Bone

Yanbin Chen

Baina Chen

Huifeng Pan

Mao Zong Lin

Kuo-Wen Chang

Yongfeng Lai

Ming Yang

Zhenfeng Xie

Jia Sin Jhang

Wei-Chih Chao

An optical imaging lens including a first lens element to an eighth lens element arranged in sequence from an object side to an image side along an optical axis is provided. A periphery region of the image-side surface of the first lens element is concave. An optical axis region of the object-side surface of the fourth lens element is convex. The sixth lens element has positive refracting power. An optical axis region of the object-side surface of the seventh lens element is convex, and an optical axis region of the image-side surface of the seventh lens element is concave.

Optical imaging lens

The present invention provides an optical imaging lens. The optical imaging lens comprises six lens elements positioned in an order from an object side to an image side. Through controlling convex or concave shape of surfaces of the lens elements and designing parameters satisfying at least one inequality, the optical imaging lens may present a great field of view with smaller surface area of the front side of the optical imaging lens.

An optical imaging lens includes a first lens element, a second lens, a third lens element and a fourth lens element from an object side to an image side in order along an optical axis, and each lens element has an object-side surface and an image-side surface. The first lens element has positive refracting power, an optical axis region of the object-side surface of the second lens element is convex, a periphery region of the image-side surface of the second lens element is convex, and the fourth lens element has negative refracting power, and an optical axis region of the object-side surface of the fourth lens element is convex. The lens elements included by the optical imaging lens are only the four lens elements described above. The optical imaging lens satisfies the following conditions: &#x3c5;1+&#x3c5;4&#x2264;100.000 and TTL/T1&#x2264;5.500.

An optical imaging lens may include a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, and a seventh lens element positioned in an order from an object side to an image side along an optical axis. Through designing concave and/or convex surface of the lens elements, the optical imaging lens may have improved imaging quality, enlarged aperture stop and reduced optical imaging lens length while the optical imaging lens may satisfy D11t61*Fno/ImgH&#x2264;1.200 and 110&#x2264;V2+V3+V4+V5&#x2264;145, wherein a distance from an object side surface of the first lens element to an object side surface of the sixth lens element along the optical axis is represented by D11t61, a f-number of the optical imaging lens is represented by Fno, an image height of the optical imaging lens is represented by ImgH, and Abbe numbers of the second to fifth lens elements are represented by V2, V3, V4, V5.

An optical imaging lens may include a first, a second, a third and a fourth lens elements positioned in an order from an object side to an image side. Through designing concave and/or convex surfaces of the four lens elements, the optical imaging lens may provide improved imaging quality and optical characteristics and increased field of view while the optical imaging lens may satisfy (T+AAG)/T&#x2264;1.700, wherein a thickness of the first lens element along the optical axis is represented by T, a thickness of the fourth lens element along the optical axis is represented by T, and a sum of the three air gaps from the first lens element to the fourth lens element along the optical axis is represented by AAG.

Optical imaging lens comprising four lens of &#x2212;+&#x2212;+ refractive powers

An optical imaging lens including a first lens element to an eighth lens element arranged in sequence from an object side to an image side along an optical axis is provided. The first lens element has positive refracting power. At least one of the object-side surface and the image-side of the second lens element is an aspheric surface. At least one of the object-side surface and the image-side of the third lens element is an aspheric surface. At least one of the object-side surface and the image-side of the fourth lens element is an aspheric surface. The object-side surface and the image-side of the fifth lens element are both aspheric surfaces. The object-side surface and the image-side of the sixth lens element are both aspheric surfaces. An optical axis region of the image-side surface of the seventh lens element is concave. An optical axis region of the object-side surface of the eighth lens element is concave.

An optical imaging lens includes a first lens element to a fourth lens element from an object side to an image side in order along an optical axis, and each lens element has an object-side surface and an image-side surface. A periphery region of the image-side surface of the first lens element is convex, the third lens element has positive refracting power, the fourth lens element has positive refracting power, and a periphery region of the object-side surface of the fourth lens element is concave. TTL is a distance from the object-side surface of the first lens element to an image plane along the optical axis, Tis a thickness of the second lens element along the optical axis, and the Abbe number of the second lens element, the third lens element and the fourth lens element is &#x3c5;2, &#x3c5;3 and &#x3c5;4 respectively to satisfy &#x3c5;3+&#x3c5;4&#x2212;&#x3c5;2&#x2264;40.000 and TTL/T&#x2264;8.000.

Present embodiments provide for an optical imaging lens. The optical imaging lens includes a first lens element, a second lens element, a third lens element, a fourth lens element, and a fifth lens element positioned sequentially from an object side to an image side. Through arrangement of convex or concave surfaces of the five lens elements, the length of the optical imaging lens may be shortened while providing better optical characteristics and imaging quality.

Present embodiments provide for ocular optical systems. An ocular optical system for imaging of imaging rays entering an eye of an observer via the ocular optical system and a pupil of the eye of the observer from a display screen, may comprise four lens elements positioned sequentially from an eye side to a display side. By controlling the refracting power and the surface shape of the lens elements and designing parameters satisfying at least one inequality, the ocular optical system may exhibit better optical characteristics and the half apparent field of view of the ocular optical system may be broadened.

Ocular optical system

An optical lens assembly includes first, second, third and fourth 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 first lens element has positive refracting power, and the image-side surface of the first lens element has a convex portion in a vicinity of the optical axis and a convex portion in a vicinity of a periphery. The second lens element has negative refracting power. The object-side surface of the third lens element has a concave portion in a vicinity of the periphery. The image-side surface of the fourth lens element has a convex portion in a vicinity of the periphery.

Optical lens assembly

Present embodiments provide for an optical imaging lens. The optical imaging lens comprises a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element positioned in an order from an object side to an image side. Through controlling the convex or concave shape of the surfaces of the lens elements and designing parameters satisfying at least one inequality, the optical imaging lens shows better optical characteristics and enlarge field angle the total length of the optical imaging lens is shortened.

Present embodiments provide for optical imaging lenses. An optical imaging lens may comprise six lens elements positioned sequentially 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 one inequality, the optical imaging lens may exhibit better optical characteristics and the total length of the optical imaging lens may be shortened.

An optical imaging lens includes first, second, third, and fourth 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 first lens element has positive refracting power. The object-side surface of the first lens element has a convex portion in a vicinity of the optical axis. The second lens element has refracting power. At least one of the object-side surface and the image-side surface of the third lens element is an aspheric surface. The object-side surface and the image-side surface of the fourth lens element are both aspheric surfaces.

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Fujian, China

Feng Li