Imaging lens and imaging apparatus
US-9201214-B2 · Dec 1, 2015 · US
Imaging lens module
US9217844B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9217844-B2 |
| Application number | US-201414174457-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 6, 2014 |
| Priority date | Sep 18, 2013 |
| Publication date | Dec 22, 2015 |
| Grant date | Dec 22, 2015 |
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Abstract
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An imaging lens module includes first, second and third optical lenses that are arranged sequentially from an object side to an image side along an optical axis, and a constant-aperture diaphragm disposed between the first and second optical lenses. The first optical lens has a positive refractive power, and the second optical lens has a negative refractive power. The third optical lens has a positive refractive power and has an object-side surface and an image-side surface, At least one of which has at least an inflection point. The imaging lens module satisfies: 0.8 TL/Dg 1.1, in which, TL is a length from an imaging plane to the object-side surface of the first optical lens, and Dg is a length of a diagonal line of a maximum viewing angle on the imaging plane.
First claim
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What is claimed is: 1. An imaging lens module comprising: an optical lens set including first, second and third optical lenses that are arranged sequentially from an object side to an image side along an optical axis of said imaging lens module, said first optical lens having a positive refractive power near the optical axis, said first optical lens having a convex object-side surface near the optical axis that faces the object side, and an image-side surface that faces the image…
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- G02B13/0035Primary
Physics · mapped topic
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- What does patent US9217844B2 cover?
- An imaging lens module includes first, second and third optical lenses that are arranged sequentially from an object side to an image side along an optical axis, and a constant-aperture diaphragm disposed between the first and second optical lenses. The first optical lens has a positive refractive power, and the second optical lens has a negative refractive power. The third optical lens has a p…
- Who is the assignee on this patent?
- Ability Opto Electronics Technology Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification G02B13/0035. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Dec 22 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).