Abstract: An optical imaging lens includes six lens elements. The object-side surface of the first lens element has a convex part in a vicinity of the periphery of the first lens element, the image-side surface of the second lens element has a concave part in a vicinity of the periphery of the first lens element, the object-side surface of the third lens element has a convex part in a vicinity of the optical axis, the image-side surface of the fourth lens element has a convex part in a vicinity of the periphery of the fourth lens element, the image-side surface of the fifth lens element has a concave part in a vicinity of the optical axis, and the sixth lens element has negative refractive power.

Abstract: The present invention provides an optical imaging lens. The optical imaging lens comprises seven lens elements 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, the optical imaging lens may shorten system length and enlarge field of view and aperture size.

Abstract: An optical imaging lens, sequentially including at least one lens element and an optical ring element from an object side to an image side along an optical axis, is provided. The optical ring element is located on a side of the lens element closest to the image side and facing the image side, and has an object-side bearing surface facing the object side and in contact with the closest lens element. The object-side bearing surface has an object-side outer periphery and an object-side inner periphery, and the object-side inner periphery is located between the optical axis and the object-side outer periphery. The object-side bearing surface has at least one groove, and the at least one groove extends to the object-side inner periphery along a radial direction.

Abstract: A lens barrel includes a front end portion. The front end portion includes an outer surface facing toward an object side and an inner surface facing toward an image side. The inner surface includes an inner side conical surface. The inner side conical surface is connected to the outer surface. The inner-side conical surface includes a plurality of toothed structures, an inner edge near an optical axis and an outer edge away from the optical axis. The outer edge is closer to the image side than the inner edge. The inner edge forms a clear hole. Each of the toothed structures includes a tooth peak and a tooth valley. The tooth peak and the tooth valley are disposed at the inner edge, and the tooth peak extends from the inner edge to the outer edge to form a convex strip.

Abstract: An optical imaging lens may include a first, a second, a third, a fourth, a fifth, and a sixth lens elements positioned in an order from an object side to an image side. Through designing concave and/or convex surfaces of the six lens elements, the improved optical imaging lens may provide better imaging quality while the length of the lens may be shortened, the F-number may be reduced, and the field of view may be extended.

Abstract: An optical imaging lens may include a first, a second, a third, a fourth, a fifth, a sixth, a seventh, and an eighth lens elements positioned in an order from an object side to an image side. Through designing concave and/or convex surfaces of each lens elements, the optical imaging lens may provide improved imaging quality and optical characteristics, reduced length of the optical imaging lens and increased field of view while the optical imaging lens may satisfy one of the third, fourth, fifth and sixth lens element is the lens element with the maximum thickness along the optical axis.

Abstract: An optical imaging lens module is provided. The optical imaging lens module may include a lens barrel and an optical imaging lens. The optical imaging lens may include a plurality of lens elements engaged with the lens barrel in an order from an object side to an image side along an optical axis. A first lens element is the lens element closest to the object side in the plurality of lens elements. The first lens element may include an optical effective portion and an optical ineffective portion surrounding the optical effective portion. The optical effective portion may include an object-side surface facing toward the object side and allowing imaging rays to pass through as well as an image-side surface facing toward the image side and allowing the imaging rays to pass through. A border around the object-side surface may have an extension surface extending from the object side toward the image side.

Abstract: An optical imaging lens includes a first lens element to a ninth lens element from an object side to an image side along an optical axis. The second lens element has negative refracting power or the third lens element has positive refracting power, a periphery region of the image-side surface of the second lens element is concave, the fourth lens element has negative refracting power, the sixth lens element has negative refracting power, an optical axis region of the image-side surface of the seventh lens element is concave, and an optical axis region of the image-side surface of the ninth lens element is concave. Lens elements included by the optical imaging lens are only nine lens elements described above to satisfy (V5+V6+V7)/(V3+V4)?1.100.

Abstract: An optical imaging lens includes first to third lens element groups in sequence along an optical axis from an object side to an image side. The first lens element group includes at least two lens elements. The second lens element group includes at least two lens elements. The third lens element group includes at least two lens elements. When the optical imaging lens is zoomed, at least one lens element group is moved toward a direction of the object side or the image side along the optical axis.

Abstract: The present invention provides an optical imaging lens. The optical imaging lens comprises eight lens elements 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, the optical imaging lens may enlarge aperture stop and image height and increase resolution.

Abstract: The present invention provides an optical imaging lens. The optical imaging lens comprises eight 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, the optical imaging lens may shorten system length with a good imaging quality.

Abstract: An optical imaging lens including a first to a seventh lens elements arranged in sequence from an object side to an image side along an optical axis is provided. Each lens element includes an object-side surface and an image-side surface. An optical axis region of the image-side surface of the first lens element is concave. An optical axis region of the object-side surface of the third lens element is concave. The fourth lens element has positive refracting power and an optical axis region of the image-side surface of the fourth lens element is concave. An optical axis region of the image-side surface of the fifth lens element is concave. Furthermore, other optical imaging lenses are also provided.

Abstract: An optical imaging lens includes a first, a second, a third, a fourth, a fifth, a sixth, a seventh and an eighth lens elements from an object side to an image side in order along an optical axis. The optical imaging lens satisfies: EFL/(G45+T5)?8.500, wherein EFL is an effective focal length of the optical imaging lens, G45 is an air gap from the fourth lens element to the fifth lens element along the optical axis, and T5 is a thickness of the fifth lens element along the optical axis.

Abstract: An optical imaging lens including a front lens element group, a minimum-aperture light-shielding sheet and a rear lens element group sequentially arranged along an optical axis from an object side to an image side is provided. The front lens element group includes a first lens element. The first lens element includes a first surface facing the object side and a second surface facing the image side. The first surface includes an object-side surface allowing imaging rays to pass through and a non-optical effective area. The second surface includes an image-side surface allowing imaging rays to pass through and a non-optical effective area. The optical imaging lens further includes a light-absorbing layer disposed on the non-optical effective area of the second surface and an optical film disposed on a first surface of the minimum-aperture light-shielding sheet. The optical imaging lens satisfies the conditions of 2.200?RLavg/RS0avg and RLavg?3.000%.

Abstract: 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, a seventh lens element, an eighth lens element and a ninth lens element positioned in an order from an object side to an image side. Through designing concave and/or convex surfaces of the lens elements, the optical imaging lens may increase resolution, enlarge aperture stop and image height, and maintain well image quality.

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

Abstract: An optical lens assembly, including a first lens element, a second lens element, a third lens element, a fourth lens element, and a fifth lens element sequentially along an optical axis from a first side to a second side, is provided. The optical lens assembly satisfies the conditional expression of D34/D12?2.600. Furthermore, other optical lens assemblies are also provided.

Abstract: Provided is an optical imaging lens, including a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, a seventh lens element, an eighth lens element, and a ninth lens element sequentially arranged along an optical axis from an object side to an image side. The first lens element has positive refracting power, while the second lens element has negative refracting power. An optical axis region of the image-side surface of the fifth lens element is convex, while an optical axis region of the image-side surface of the seventh lens element is concave. The eighth lens element has positive refracting power or the ninth lens element has negative refracting power.

Abstract: 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, a seventh lens element, an eighth lens element and a ninth lens element positioned in an order from an object side to an image side. Through designing concave and/or convex surfaces of the lens elements, the optical imaging lens may increase resolution, enlarge aperture stop and image height, and maintain well image quality.

Abstract: An optical imaging system includes a first lens element, a second lens element, a third lens element, a fourth lens element, and a fifth lens element from an object side to an image side in order along an optical axis. The first lens element to the fifth lens element each include an object-side surface and an image-side surface. The object-side surface of the second lens element has a convex portion in a vicinity of a periphery of the second lens element. The image-side surface of the third lens element has a convex portion in a vicinity of a periphery of the third lens element. The image-side surface of the fifth lens element has a concave portion in a vicinity of the optical axis, and the image-side surface of the fifth lens element has a convex portion in a vicinity of a periphery of the fifth lens element.