Patent application number | Description | Published |
20130242411 | PHOTOGRAPHIC LENS OPTICAL SYSTEM - A lens optical system includes first, second, third, fourth, and fifth lenses that are arranged between an object and an image sensor where an image of the object is formed, in order from an object side, wherein the first lens has a positive (+) refractive power and an incident surface that is convex toward the object, the second lens has a negative (−) refractive power and a meniscus shape that is convex toward the object, the third lens has a positive (+) refractive power and both convex surfaces, the fourth lens has a positive (+) refractive power and a meniscus shape that is convex toward the image sensor, and the fifth lens has a negative (−) refractive power and an incident surface and an exit surface, at least one of the incident surface and the exit surface is an aspherical surface. | 09-19-2013 |
20130265652 | Photographic Lens Optical System - A lens optical system includes first, second, third, and fourth lenses that are arranged between an object and an image sensor, in order from an object side, wherein the first lens has positive refractive power and an incident surface that is convex toward the object, the second lens has negative refractive power and both surfaces of which are concave, the third lens has positive refractive power and a meniscus shape that is convex toward the image sensor, and the fourth lens has negative refractive power and at least one of an incident surface and an exit surface of which is an aspherical surface, wherein the system satisfies the inequality, | 10-10-2013 |
20150177486 | Photographic Lens Optical System - A photographic lens optical system includes: a first lens having a negative refractive power and a meniscus shape convex toward an object side; a second lens having a positive refractive power and a shape convex toward an image side; a third lens having a positive refractive power and a double convex shape; and a fourth lens having a negative refractive power and a shape convex toward the image side, wherein the first to fourth lenses are sequentially arranged in a direction from the object side to the image side, and the photographic lens optical system satisfies the following condition: | 06-25-2015 |
20150177487 | Photographic Lens Optical System - A photographic lens optical system includes: a first lens having a negative refractive power and a meniscus shape convex toward an object side; a second lens having a negative refractive power and a meniscus shape convex toward the object side; a third lens having a positive refractive power and a meniscus shape convex toward the object side; and a fourth lens having a positive refractive power and a double convex shape, wherein the first to fourth lenses are sequentially arranged in a direction from the object side to an image side, and the photographic lens optical system satisfies the following condition: | 06-25-2015 |
20150185443 | Optical Lens System - An optical lens system includes sequentially from an object side to an image plane side: a first lens having a negative refractive power and an object side surface that is convex; a second lens having a positive refractive power and an image side surface that is convex toward the image side; a third lens having a positive refractive power and an image side surface that is convex toward the image side; a fourth lens having a positive refractive power and a biconvex shape; and a fifth lens having a negative refractive power and an object side surface that is concave toward the object side. | 07-02-2015 |
20150185445 | Optical Lens System - An optical lens system includes sequentially from an object side to an image plane side: a first lens having a negative refractive power and an object side surface that is convex toward the object side; a second lens having a negative refractive power and an object side surface that is convex toward the object side; a third lens having a positive refractive power and an image side surface that is convex toward the image side; a fourth lens having a negative refractive power and an object side surface that is concave toward the object side; and a fifth lens having a positive refractive power and an image side surface that is convex toward the image side. | 07-02-2015 |
20160041370 | Photographic Lens Optical System - A photographic lens optical system having low manufacturing costs and high performance. The system includes first through sixth lenses, which are sequentially arranged along a light proceeding path between an object and an image sensor where an image of the object is formed, wherein the first lens has positive refractive power and an incident surface convex towards the object, the second lens has positive refractive power and an incident surface convex towards the object, the third lens has negative refractive power and an emitting surface concave with respect to the image sensor, a fourth lens has positive refractive power and is a meniscus lens convex towards the image sensor, the fifth lens has negative refractive power and is a meniscus lens convex towards the image sensor, and the sixth lens has positive refractive power, wherein an incident surface and/or an emitting surface of the sixth lens is aspheric. | 02-11-2016 |
20160041371 | Photographic Lens Optical System - A photographic lens optical system having low manufacturing costs and high performance. A lens optical system includes first through fifth lenses, which are sequentially arranged along a light proceeding path between an object and an image sensor where an image of the object is formed, wherein the first lens has positive refractive power and an incident surface convex towards the object, the second lens has negative refractive power and an emitting surface concave with respect to the image sensor, a third lens has positive refractive power and is a meniscus lens convex towards the image sensor, the fourth lens has negative refractive power and is a meniscus lens convex towards the image sensor, and the fifth lens has negative refractive power, wherein at least one of an incident surface and an emitting surface of the fifth lens is aspheric. | 02-11-2016 |