Jiangxi Lianchuang Electronic Co., Ltd.

Jiangxi Lianyi Optice Co., Ltd.

Weijian Chen

Jiyong Zeng

Xuming Liu

Yumin Bao

Kemin Wang

Haojie Zeng

Wenzhe Wei

Zhuo Wang

Xinyue Zhang

Tao Long

An optical imaging lens and an imaging equipment comprising: a first, second, and seventh lens each with focal power and a convex surface on an object side and a concave surface on an image side; a third lens, fourth, and fifth lens each with positive focal power and having a convex surface on the object side and a convex surface on the image side; a sixth lens with negative focal power, having an object side surface being a concave surface and an image side surface being a concave surface; and a diaphragm. The optical imaging lens has the characteristics of super large aperture, long focal length, and high resolution, and can meet the requirements for small field of view and high resolution, e.g., in vehicle-mounted devices.

Optical imaging lens and imaging device

This disclosure relates to a wide-angle lens, a camera module and a vehicle camera. The wide-angle lens sequentially includes: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens. An object side surface of the first lens is convex and an image side surface of the first lens is concave. An object side surface of the second lens is convex and an image side surface of the second lens is concave. The third lens and the sixth lens are bi-concave lenses. The fourth lens, the fifth lens and the seventh lens are bi-convex lenses. The fifth lens and the sixth lens form a cemented body.

Wide-angle lens, camera module and vehicle camera

The present disclosure provides a wide-angle lens, including a first lens group having a negative focal power, a second lens group having a positive focal power, and an aperture stop disposed between the first lens group and the second lens group. The first lens group, from the object side to the imaging surface, sequentially includes a meniscus-shaped first lens having a negative focal power, a second lens having a negative focal power, and a third lens having a positive focal power. A concave surface of the first lens faces the imaging surface, and a concave surface of the second lens faces the imaging surface.

Wide-angle lens

An optical imaging lens group, from an object side to an image side sequentially includes: a meniscus-shaped first lens having a negative refractive power and a convex surface facing the object side; a meniscus-shaped second lens having a negative refractive power and a convex surface facing the image side; an aperture stop; a third lens having a positive refractive power and two convex surfaces respectively at the object side and the image side; a fourth lens having a positive refractive power and two convex surfaces respectively at the object side and the image side; a fifth lens having a negative refractive power and two concave surfaces respectively at the object side and the image side; a sixth lens having a positive refractive power and two convex surfaces respectively at the object side and the image side; and a filter.

Optical imaging lens group, vehicle camera and driving assistance system

The present disclosure provides a lens module, a camera, and a driver assistant system. From an object side to an image side, the lens module sequentially includes a first lens with a negative refractive power, a second lens with a negative refractive power, a third lens with a positive refractive power, a stop, a fourth lens with a positive refractive power, a fifth lens with a negative refractive power, a sixth lens with a positive refractive power, and a filter. The fifth lens and the fourth lens constitute a bonding lens group. The second lens, the third lens, the fourth lens, and the fifth lens are glass spherical lenses, and the first lens and the sixth lens are both glass aspherical lenses. The lens module significantly increases the distortion in a small FOV to meet the special algorithm requirements of an in-vehicle system.

Lens module, camera, and driver assistant system

The disclosure provides an optical lens system and a vehicle camera. From an object side to an imaging surface, the optical lens system sequentially includes a first lens having a negative refractive power; a second lens having a positive refractive power; a third lens having a positive refractive power; a fourth lens having a positive refractive power; a fifth lens having a negative refractive power, the fourth lens and the fifth lens constituting a cemented lens; a sixth lens having a positive refractive power; a seventh lens with a negative refractive power; a stop disposed between the first lens and the third lens. The lens of the present disclosure not only has thermal stability, but also has extremely high resolution for the objects that emit or reflect monochromatic lights of different wavelengths, so as to meet the requirements of the driverless vehicle system on the lens.

Optical lens system and vehicle camera

The embodiments of the disclosure provide a vehicle lens, an imaging device, a camera module and a vehicle camera. From an object side to an image side, the vehicle lens sequentially includes a first group with a negative refractive power, a stop, a second group with a positive refractive power, and a third group with a positive refractive power. The first group includes a first lens and a second lens. The second group includes at least a third lens. The third group includes a fourth lens, a fifth lens, and a sixth lens, wherein the fourth lens has a positive refractive power, an convex object side surface and an convex image side surface, the fifth lens has a negative refractive power and a concave object side surface, the sixth lens has a positive refractive power. The third group includes at least one aspheric lens.

Vehicle lens, camera module and vehicle camera

The disclosure provides a collimating lens. In order from a laser transmitter side to a to-be-measured object side, the collimating lens includes a first lens, a second lens, a third lens, a fourth lens and an aperture stop. The aperture stop is on the to-be-measured object side, and optical centers of each lens being on a same line. The collimating lens satisfying the following conditions: (dn/dt)1&#x3c;&#x2212;50&#xd7;10/&#xb0; C., (dn/dt)2&#x3c;&#x2212;50&#xd7;10/&#xb0; C., (dn/dt)3&#x3c;&#x2212;50&#xd7;10/&#xb0; C., (dn/dt)4&#x3e;&#x2212;10&#xd7;10/&#xb0; C. A refractive index of each lens is usually distributed reasonably with temperature, the focal length can be stabilized and applied to different temperature occasion. Under the same size laser emitter, the focal length of the system is larger, and the field of view angle is smaller.

Collimating lens

A collimator lens system includes a first lens, a second lens, a third lens and a diaphragm from an object side to an image side of the system in turn along an optical axis, in which the first lens is of a positive focal power, and an object side surface thereof is convex; the second lens is of a negative focal power; the third lens is of a positive focal power, and an image side surface thereof is convex; optical centers of all the lenses are arranged along a same straight line, the system meets following formulas: f12&#x3e;f3; (dn/dt)1&#x3c;&#x2212;50&#xd7;10/&#xb0; C.; (dn/dt)2&#x3c;&#x2212;50&#xd7;10/&#xb0; C.; (dn/dt)3&#x3e;&#x2212;10&#xd7;10/&#xb0; C., where f12 represents a combined focal length of the first and second lenses, f3 represents a focal length of the third lens, and (dn/dt)1, (dn/dt)2, and (dn/dt)3 represent change rates of refractive indices of the first lens, the second lens and the third lens with temperature, respectively.

Collimator lens system

A collimator lens includes a first lens, a second lens and a diaphragm from an object side to an image side of the assembly in turn along an optical axis, in which the first lens is of a positive focal power, and an object side surface thereof is convex; the second lens is of a positive focal power, and an image side surface thereof is convex; optical centers of the first lens and the second lens are arranged along a same straight line, the system meets following formulas: f1&#x3e;f2; (dn/dt)1&#x3c;&#x2212;50&#xd7;10/&#xb0; C.; (dn/dt)2&#x3e;&#x2212;10&#xd7;10/&#xb0; C., where f1 represents a focal length of the first lens, f2 represents a focal length of the second lens, (dn/dt)1 represents a change rate of a refractive index of the first lens with temperature, and (dn/dt)2 represents a change rate of a refractive index of the second lens with temperature.

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Nanchang, China

Weijian Chen