Patent application number | Description | Published |
20120087020 | OPTICAL LENS SYSTEM - The present invention provides an optical lens system comprising, in order from an object side to an image side: a first lens element with positive refractive power having a convex object-side surface; a second lens element with negative refractive power; a third lens element with positive refractive power having a convex object-side surface and a convex image-side surface; a fourth lens element; and a fifth lens element having a convex object-side surface and a concave image-side surface, the object-side and image-side surfaces thereof being aspheric and at least one inflection point being formed on the image-side surface. Such arrangement of optical elements can effectively minimize the size of the optical lens system, lower the sensitivity of the optical system, and obtain higher image resolution. | 04-12-2012 |
20120099009 | OPTICAL LENS ASSEMBLY - This invention provides an optical lens assembly comprising, in order from an object side to an image side: a first lens element with positive refractive power; a second lens element with positive refractive power; a third lens element with negative refractive power having a concave object-side surface and a convex image-side surface, at least one of the object-side and image-side surfaces thereof being aspheric; and a fourth lens element with positive refractive power having an aspheric object-side surface and an aspheric image-side surface; wherein the number of lens elements with refractive power is four. | 04-26-2012 |
20120176527 | OPTICAL LENS SYSTEM - An optical lens system comprises, in order from an object side to an image side: the first lens element with negative refractive power having a convex object-side surface and a concave image-side surface; the second lens element with positive refractive power; the third lens element with positive refractive power having the object-side surface and the image-side surface being aspheric; the fourth lens element with negative refractive power having a concave image-side surface and at least one aspheric surface. There are four lens elements with refractive power. Such arrangements can enable a larger field of view, reduce the volume of the system, and further obtain higher resolution for the optical lens system of the present invention. | 07-12-2012 |
20120194726 | IMAGE CAPTURING LENS ASSEMBLY - This invention provides an image capturing lens assembly, in order from an object side to an image side comprising: a first lens element with positive refractive power having a convex object-side surface; a second lens element; a third lens element; a fourth lens element having at least one of an object-side surface and an image-side surface thereof being aspheric; a fifth lens element with positive refractive power having a convex image-side surface, at least one of an object-side surface and the image-side surface thereof being aspheric, and the fifth lens element is made of plastic; and a sixth lens element with negative refractive power having a concave image-side surface, at least one of an object-side surface and the image-side surface thereof being aspheric, and the sixth lens element is made of plastic. By such arrangement, the photo-sensitivity and the total track length of the image capturing lens assembly can be reduced. Furthermore, the aberration and astigmatism of the assembly can be effectively corrected for obtaining higher image resolution. | 08-02-2012 |
20120243108 | PHOTOGRAPHING OPTICAL LENS ASSEMBLY - An photographing optical lens assembly includes, in order from an object side to an image side, a first lens element with positive refractive power having a convex object-side surface, a second lens element, a third lens element, a fourth lens element having at least one aspheric surface, a fifth lens element having a convex object-side surface and a concave image-side surface with at least one surface being aspheric and at least one inflection point being formed, and a sixth lens element having a concave image-side surface with at least one surface being aspheric. By adjusting the curvature radii of the fifth lens element, the photographing optical lens assembly can stay compact and correct the aberration while obtaining superior imaging quality. | 09-27-2012 |
20120300315 | IMAGE CAPTURING LENS ASSEMBLY - This invention provides an image capturing lens assembly in order from an object side to an image side comprising: a first lens element with positive refractive power having a convex object-side surface; a second lens element with negative refractive power; a third lens element with negative refractive power having a concave object-side surface; a fourth lens element having a concave object-side surface and a convex image-side surface; and a fifth lens element having a concave image-side surface, the object-side and image-side surfaces thereof being aspheric and at least one inflection point being formed on at least one of the object-side and image-side surfaces thereof. By such arrangement, it can effectively reduce the aberration as well as the total track length of the imaging lens system for obtaining higher image resolution. | 11-29-2012 |
20130003193 | OPTICAL IMAGE CAPTURING LENS ASSEMBLY - The present disclosure provides an optical image capturing lens assembly comprising, in order from an object side to an image side: a first lens element with positive refractive power having a convex image-side surface; a second lens element; a third lens element; a fourth lens element, at least one of an object-side surface and an image-side surface thereof being aspheric; a fifth lens element, at least one of an object-side surface and an image-side surface thereof being aspheric; and a sixth lens element with negative refractive power having a concave image-side surface, at least one of an object-side surface and the image-side surface thereof being aspheric, at least one inflection point being formed on at least one of the surfaces thereof. With the aforementioned arrangements, the sensitivity of the optical system can be attenuated while the aberration and astigmatism can be effectively corrected to improve the image quality. | 01-03-2013 |
20130010374 | IMAGE CAPTURING OPTICAL SYSTEM - This invention provides an image capturing optical system in order from an object side to an image side comprising: a first lens element with positive refractive power having a convex object-side surface; a second lens element; a third lens element; a fourth lens element with both the object-side and image-side surfaces thereof being aspheric, and the fourth lens element is made of plastic; and a fifth lens element with negative refractive power, both the object-side and image-side surfaces thereof being aspheric, at least one inflection point is formed on at least one of the object-side and image-side surfaces thereof, and the fifth lens element is made of plastic. By such arrangement, photosensitivity and total track length of the system can be reduced, and better image quality can be obtained. | 01-10-2013 |
20130265650 | OPTICAL IMAGING LENS SYSTEM - This invention provides an optical imaging lens system in order from an object side to an image side comprising five non-cemented lens elements with refractive power: a first lens element with positive refractive power having a convex object-side surface; a second lens element with positive refractive power; a third lens element with negative refractive power, and both surfaces being aspheric; a fourth lens element having a convex image-side surface, and both surfaces being aspheric; and a plastic fifth lens element having a concave image-side surface, both surfaces being aspheric, and at least one inflection point is formed on at least one of the surfaces thereof. By such arrangement, the refractive power of the optical imaging lens system can be effectively distributed with improved light converging power so that the total track length can be shortened effectively, and the aberration of system can be corrected to facilitate high image quality. | 10-10-2013 |
20140049837 | IMAGE CAPTURING LENS SYSTEM - This invention provides an image capturing lens system comprising: a positive first lens element having a convex object-side surface; a negative second lens element having a concave object-side surface and a convex image-side surface; a third lens element with refractive power; a positive fourth lens element having a convex image-side surface, both of the object-side and image-side surfaces being aspheric; a fifth lens element with refractive power having a concave image-side surface, both of the object-side and image-side surfaces being aspheric, at least one inflection point is positioned on the image-side surface thereof. When some particular relations are satisfied, the light-focusing spots of various wavelengths can be favorably adjusted for extending the depth of field; therefore, the present image capturing lens system shall be suitable for compact electronic products with Extended Depth of Field (EDOF) function. | 02-20-2014 |
20140118844 | OPTICAL PHOTOGRAPHING LENS SYSTEM - An optical photographing lens system includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element with negative refractive power has a convex object-side surface and a concave image-side surface. The second lens element has positive refractive power. The third lens element has refractive power. The fourth lens element has refractive power, wherein at least one surface of the fourth lens element is aspheric. The fifth lens element with positive refractive power has a convex image-side surface and both of the surfaces are aspheric. The sixth lens element with negative refractive power has an image-side surface changing from concave at a paraxial region to convex at a peripheral region, and both of the surfaces are aspheric. | 05-01-2014 |
20140139933 | OPTICAL IMAGE CAPTURING LENS SYSTEM - This disclosure provides an optical image capturing lens system comprising: a positive first lens element having a convex object-side surface, a negative second lens element, a positive third lens element having a convex image-side surface, a fourth lens element having a concave object-side surface and a convex image-side surface; and a positive fifth lens element having a convex object-side surface at a paraxial region thereof, both of the object-side and image-side surfaces being aspheric, and at least one inflection point is positioned on at least one of the object-side and image-side surfaces thereof. When particular relations are satisfied, the angle at which light projects onto the image plane can be efficiently controlled for increasing the relative illumination and preventing the occurrence of vignetting. | 05-22-2014 |
20140177076 | IMAGE CAPTURING OPTICAL LENS SYSTEM - An image capturing optical lens system includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element with positive refractive power has a convex object-side surface. The second lens element with negative refractive power has a concave object-side surface. The third lens element has refractive power. The fourth lens element with refractive power has a concave object-side surface and a convex image-side surface. The fifth lens element with refractive power has a concave image-side surface, wherein an object-side surface and the image-side surface of the fifth lens element are aspheric, and the fifth lens element has at least one inflection point on the image-side surface thereof. | 06-26-2014 |
20140192422 | OPTICAL IMAGE COLLECTING SYSTEM - An optical image collecting system includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element with positive refractive power has a convex object-side surface. The second through sixth lens elements all have refractive power. The fifth lens element has a concave object-side surface and a convex image-side surface, wherein at least one of the object-side surface and the image-side surface of the fifth lens element is aspheric. The sixth lens element has a concave image-side surface at a paraxial region, wherein the image-side surface of the sixth lens element changes from concave at the paraxial region to convex at a peripheral region, and both of an object-side surface and the image-side surface of the sixth lens element are aspheric. | 07-10-2014 |
20140340765 | OPTICAL IMAGE CAPTURING SYSTEM - An optical image capturing system includes five lens elements with refractive power, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element with positive refractive power has a convex object-side surface. The second lens element with negative refractive power has a concave image-side surface. The third lens element has negative refractive power. The fourth lens element with refractive power has a concave image-side surface, and the surfaces of the fourth lens element are aspheric. The fifth lens element with refractive power has a concave image-side surface, wherein at least one inflection point formed on the image-side surface thereof, and the surfaces of the fifth lens element are aspheric. | 11-20-2014 |
20150015971 | OPTICAL IMAGING SYSTEM FOR PICKUP - An optical imaging system for pickup, sequentially arranged from an object side to an image side, comprising: the first lens element with positive refractive power having a convex object-side surface, the second lens element with refractive power, the third lens element with refractive power, the fourth lens element with refractive power, the fifth lens element with refractive power the sixth lens element made of plastic, the sixth lens with refractive power having a concave image-side surface with both being aspheric, and the image-side surface having at least one inflection point. | 01-15-2015 |
20150022714 | IMAGE CAPTURING LENS SYSTEM - An image capturing lens system includes five lens elements with refractive power, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element with positive refractive power has a convex object-side surface. The second lens element has positive refractive power. The third lens element has negative refractive power. The fourth lens element with refractive power has a concave image-side surface in a paraxial region thereof, wherein the surfaces thereof are aspheric. The fifth lens element with refractive power has a concave image-side surface in a paraxial region thereof, wherein the image-side surface of the fifth lens element has at least one inflection point, and the surfaces thereof are aspheric. | 01-22-2015 |
20150022904 | OPTICAL IMAGING SYSTEM FOR PICKUP - An optical imaging system for pickup, sequentially arranged from an object side to an image side, comprising: the first lens element with positive refractive power having a convex object-side surface, the second lens element with refractive power, the third lens element with refractive power, the fourth lens element with refractive power, the fifth lens element with refractive power; the sixth lens element made of plastic, the sixth lens with refractive power having a concave image-side surface with both being aspheric, and the image-side surface having at least one inflection point. | 01-22-2015 |
20150054994 | OPTICAL IMAGING LENS ASSEMBLY AND OPTICAL IMAGING DEVICE - An optical imaging lens assembly includes, in order from the object side to the image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element with positive refractive power has a convex object-side surface in a paraxial region. The fourth lens element with negative refractive power has a concave object-side surface in a paraxial region. The fifth lens element with positive refractive power has a convex image-side surface in a paraxial region. The sixth lens element with negative refractive power has a concave object-side surface in a paraxial region, a concave image-side surface in a paraxial region and at least one convex shape in the off-axial region of the image-side surface of the sixth lens element. The fifth lens element and the sixth lens element are aspheric lens elements. | 02-26-2015 |