Lens assembly and electronic device including the same
AssigneeSamsung Electronics Co., Ltd.
InventorKiwoo Lee
Life of this patent
Estimating the term…
Abstract
Provided is a lens assembly including a first lens array including a first lens having positive refractive power, a second lens array including a second lens having negative refractive power, and a third lens array including a third lens having negative refractive power, wherein the first lens array, the second lens array, and the third lens array are sequentially provided from an object side toward an image sensor side, wherein the first lens has a biconvex shape that is convex toward the object side and convex toward the image sensor side, and wherein each of the second lens and the third lens has a meniscus shape that is convex toward the image sensor side.
Claims18
A lens assembly comprising:
- a first lens array comprising a plurality of first lenses, the plurality of first lenses respectively having positive refractive power and being provided in a direction perpendicular to an optical axis of the lens assembly;
- a second lens array comprising a plurality of second lenses, the plurality of second lenses respectively having negative refractive power and being provided in the direction perpendicular to the optical axis of the lens assembly;
- and
- a third lens array comprising a plurality of third lenses, the plurality of third lenses respectively having negative refractive power and being provided in the direction perpendicular to the optical axis of the lens assembly,
- wherein the first lens array, the second lens array, and the third lens array are sequentially arranged from an object side toward an image sensor side,
- wherein each first lens of the plurality of first lenses has a biconvex shape that is convex toward the object side and convex toward the image sensor side,
- wherein each second lens of the plurality of second lenses and each third lens of the plurality of third lenses has a meniscus shape that is convex toward the image sensor side, and
- wherein a focal length of each second lens of the plurality of second lenses is f2 and a focal length of each third lens of the plurality of third lenses is f3, and a power configuration of the lens assembly satisfies:
- 1.6<(1/f3)/(1/f2)<2.5.
A lens assembly comprising:
- a first lens having positive refractive power;
- a second lens having negative refractive power;
- and
- a third lens having negative refractive power,
- wherein the first lens, the second lens, and the third lens are sequentially arranged from an object side toward an image sensor side,
- wherein the first lens has a biconvex shape that is convex toward the object side and convex toward the image sensor side,
- wherein each of the second lens and the third lens has a meniscus shape that is convex toward the image sensor side,
- wherein a total track length of the lens assembly is TTL, a combined focal length of the lens assembly is f′, a field of view of the lens assembly is FoV, a telephoto ratio of the lens assembly satisfies TTL/f′<1.0, and the field of view satisfies 0.25<tan(FoV)<0.5, and
- where a focal length of the second lens is f2, a focal length of the third lens is f3, and a power configuration of the lens assembly satisfies:
- 1.6<(1/f3)/(1/f2)<2.5.
An electronic device comprising:
- a first imaging device configured to capture first visual information through a first lens assembly at a first field of view;
- and
- a display configured to display a captured image based on sensing information corresponding to the first visual information,
- wherein the first lens assembly comprises:
- a first lens array comprising a plurality of first lenses, the plurality of first lenses respectively having positive refractive power and being provided in a direction perpendicular to an optical axis of the first lens assembly;
- a second lens array comprising a plurality of second lenses, the plurality of second lenses respectively having negative refractive power and being provided in the direction perpendicular to the optical axis of the first lens assembly;
- and
- a third lens array comprising a plurality of third lenses, the plurality of third lenses respectively having negative refractive power and being provided in the direction perpendicular to the optical axis of a lens assembly,
- wherein the first lens array, the second lens array, and the third lens array are sequentially arranged from an object side toward an image sensor side,
- wherein each first lens of the plurality of first lenses has a biconvex shape that is convex toward the object side and convex toward the image sensor side,
- wherein each second lens of the plurality of second lenses and each third lens of the plurality of third lenses has a meniscus shape that is convex toward the image sensor side,
- wherein a focal length of each second lens of the plurality of second lenses is f2 and a focal length of each third lens of the plurality of third lenses is f3, and a power configuration of the lens assembly satisfies:
- 1.6<(1/f3)/(1/f2)<2.5.
An device assembly comprising:
- a substrate;
- a first imaging device provided on the substrate and configured to capture first visual information through a first lens assembly at a first field of view, the first lens assembly comprising:
- a first lens array comprising a plurality of first lenses, the plurality of first lenses respectively having positive refractive power and being provided in a direction perpendicular to an optical axis of a lens assembly;
- a second lens array comprising a plurality of second lenses, the plurality of second lenses respectively having negative refractive power and being provided in the direction perpendicular to the optical axis of the lens assembly;
- and
- a third lens array comprising a plurality of third lenses, the plurality of third lenses respectively having negative refractive power and being provided in the direction perpendicular to the optical axis of the lens assembly,
- wherein the first lens array, the second lens array, and the third lens array are sequentially provided from an object side toward an image sensor side,
- wherein each first lens of the plurality of first lenses has a biconvex shape that is convex toward the object side and convex toward the image sensor side,
- wherein each second lens of the plurality of second lenses and each third lens of the plurality of third lenses has a meniscus shape that is convex toward the image sensor side, and
- wherein a focal length of each second lens of the plurality of second lenses is f2 and a focal length of each third lens of the plurality of third lenses is f3, and a power configuration of the lens assembly satisfies:
- 1.6<(1/f3)/(1/f2)<2.5;
- and
- a second imaging device provided on the substrate and configured to capture second visual information through a second lens assembly at a second field of view that is different from the first field of view.
Dependencies are inferred from the claim text.