Genius Electronic Optical (xiamen) Co., Ltd.

Huifeng Pan

Jia-Sin Jhang

Feng Chen

Maozong Lin

Feng Li

Guangyun Li

Matthew Bone

Ruyou Tang

Zhenfeng Xie

Zhao Wang

Tacheng Fan

An optical imaging lens may include eight lens elements positioned in an order from an object side to an image side. Through designing concave and/or convex surfaces of the eight lens elements, the optical imaging lens may provide improved imaging quality and optical characteristics while the total length of the optical imaging lens may be shortened.

Optical imaging lens

An optical imaging lens may include a first, a second, a third, a fourth and a fifth lens elements positioned in an order from an object side to an image side. Through designing concave and/or convex surfaces of the five lens elements, the optical imaging lens may provide improved imaging quality and optical characteristics, increased focal length of the optical imaging lens, improved assembly yield and reduced size of the imaging lens while the optical imaging lens may satisfy (T2+G23+T3+G34+T4+G45+T5)/G12&#x2264;2.700, wherein a thickness of the second lens element along the optical axis is represented by T2, a thickness of the third lens element along the optical axis is represented by T3, a thickness of the fourth lens element along the optical axis is represented by T4, a thickness of the fifth lens element along the optical axis is represented by T5, a distance from the image-side surface of the first lens element to the object-side surface of the second lens element along the optical axis is represented by G12, a distance from the image-side surface of the second lens element to the object-side surface of the third lens element along the optical axis is represented by G23, a distance from the image-side surface of the third lens element to the object-side surface of the fourth lens element along the optical axis is represented by G34, and a distance from the image-side surface of the fourth lens element to the object-side surface of the fifth lens element along the optical axis is represented by G45.

An optical imaging lens includes a first lens element to a fourth lens element. A periphery region of the image-side surface of the first lens element is convex, the second 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, the third lens element has positive refracting power, a periphery region of the image-side surface of the third lens element is concave and a periphery region of the image-side surface of the fourth lens element is convex. EFL is an effective focal length, AAG is a sum of three air gaps along the optical axis, Tis a thickness of the third lens element and Gis an air gap between the first lens element and the second lens element to satisfy (EFL+AAG)/(G+T)&#x2264;3.800.

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.

An optical imaging lens includes: first, second, third, fourth, fifth and sixth lens element, an optical axis region of an image-side surface of the first lens element is concave, an optical axis region of an object-side surface of the second lens element is convex, an optical axis region of an object-side surface of the third lens element is convex, an periphery axis region of an object-side surface of the third lens element is concave, an optical axis region of an object-side surface of the fourth lens element is convex, an optical axis region of an object-side surface of the sixth lens element is concave. The lens elements having refracting power included by the optical imaging lens are only the six lens elements described above. In addition, the optical imaging lens satisfies the relationship: &#x3c5;2+&#x3c5;3&#x2264;60, and (G12+T2+T3+G34)/G23&#x2264;4.300.

Present embodiments relate to an optical imaging lens. The optical imaging lens may include 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 improved optical characteristics and imaging quality.

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 an optical lens assembly. The optical lens assembly 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 lens assembly may be shortened while providing better optical characteristics and imaging quality.

Optical lens assembly

An optical lens assembly includes a first lens of positive refractive power, a second lens of refractive power, at least one of the object surface and the image surface being aspherical, a fourth lens of refractive power, a fifth lens of a concave object surface near its optical-axis and both the object surface and the image surface being aspherical so that the Abbe number &#x3c5;4 of the fourth lens, the Abbe number &#x3c5;5 of the fifth lens, an air gap Gbetween the first lens and the second lens, an air gap Gbetween the second lens and the third lens, an air gap Gbetween the fourth lens and the fifth lens, the second thickness Tof the second lens, the third thickness Tof the third lens, the fourth thickness Tof the fourth lens, and the fifth thickness Tof the fifth lens satisfy 18&#x2264;&#x3c5;4&#x2212;&#x3c5;5&#x2264;50 and (G+T+G+T+T+G+T)/G&#x2264;6.3.

Optical lens set

An ocular optical system has four lens elements, wherein the ocular optical system includes a first lens element having a display-side surface with a convex portion in a vicinity of its periphery, and a third lens element having an eye-side surface with a convex portion in a vicinity of its periphery. In addition, &#x3c5;1 is an Abbe number of the first lens element, &#x3c5;4 is an Abbe number of the fourth lens element, and the ocular optical system satisfies the relationship 20.00&#x2264;|&#x3c5;1&#x2212;&#x3c5;4|.

Ocular optical system

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, 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 two inequalities, the optical imaging lens shows better optical characteristics, increases the effective focal length, and narrows the angle of view while the total length of the optical imaging lens is shortened.

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Fujian, China

Huifeng Pan