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| Number | Title | Issue Date |
| 8107175 | Wide-angle lens, optical apparatus, and method for manufacturing wide-angle lens A wide-angle lens WL including, in order from an object: a first lens L1 which is a negative meniscus lens having a convex surface facing the object; a second lens L2 which is a positive lens; a third lens L3 which is a negative lens; a fourth l... | 01/31/2012 |
| 7995291 | Image reading lens system and image reading apparatus An image reading lens system of Example 1 includes six lenses having first to sixth lenses being arranged in order from an object side and an aperture diaphragm. In the image reading lens system, the first lens, the third lens, and the sixth lens are formed of negat... | 08/09/2011 |
| 7969663 | Projection objective for immersion lithography A projection objective suitable for immersion microlithography is designed as a single-waist system with five lens groups, and has a first lens group of negative refractive power, a second lens group of positive refractive power, a third lens group of negative refra... | 06/28/2011 |
| 7911712 | Imaging lens and imaging apparatus An imaging lens includes, in order from an object side, a first lens having a negative power and including a concave image-side surface, a second lens having a positive power, a stop, a third negative lens, which is a biconcave lens, a fourth lens having a positive ... | 03/22/2011 |
| 7751129 | Refractive projection objective for immersion lithography A purely refractive projection objective suitable for immersion microlithography is designed as a single-waist system with five lens groups in the case of which a first lens group of negative refractive power, a second lens group of positive refractive power, a thir... | 07/06/2010 |
| 7684127 | Imaging lens and imaging device It is provided that an imaging lens having satisfactory optical performances and being reduced in size and cost. The imaging lens includes in order from an object side, a negative first lens, a negative second lens, a positive third lens, a stop, a positive fourth l... | 03/23/2010 |
| 7663814 | Imaging lens system and imaging apparatus The imaging lens system includes a negative first lens disposed on a most object side, having a concave surface directed toward the object side and having a meniscus shape, a cemented lens LC disposed on a most image side and having a convex surface on its most obje... | 02/16/2010 |
| 7663813 | Imaging lens module An imaging lens module includes a fixed diaphragm and an optical module. The optical module includes first, second, third, fourth and fifth lenses arranged from an object side to an image side in a sequence of: the first lens, having a negative refractive power, a c... | 02/16/2010 |
| 7639432 | Imaging lens and camera system including the same lens An imaging lens comprises, in order from an object side: a first lens having a negative refractive power with a concave surface directed to an image side thereof; a second lens having a positive refractive power with a convex surface directed to an image side thereo... | 12/29/2009 |
| 7639433 | Fixed-focus lens A fixed-focus lens including a first lens, a second lens, a cemented lens, an aperture stop, and a fifth lens is provided. The first lens disposed between an object side and an image side has a negative refractive power. The second lens disposed between the first le... | 12/29/2009 |
| 7619834 | Zoom lens system and optical apparatus including the same A zoom lens system includes a first lens unit having a negative refractive power, at least one lens unit having a positive refractive power, and an optical element composed of a material having an Abbe number and a partial dispersion that satisfy a predetermined con... | 11/17/2009 |
| 7518810 | Wide-angle lens with high resolution An exemplary wide-angle lens includes, in this order from the object side to the image side thereof, a first lens having negative refraction of power, a second lens having positive refraction of power, a third lens 30 having positive refraction of power, and ... | 04/14/2009 |
| 7480105 | Imaging lens and imaging apparatus An imaging lens comprises, in order arranged from an object side: a first lens of a negative meniscus lens which is curved to be convex towards an object; a second lens of a positive lens which is curbed to be convex on an object side surface thereof; a diaphragm; a... | 01/20/2009 |
| 7471465 | Optical apparatus To provide a high-brightness, small, low-cost optical apparatus which covers a wide-angle to super-wide-angle region and which reliably corrects various aberrations with a small number of lenses. At least one negative lens unit 1, a meniscus lens 2 | 12/30/2008 |
| 7440194 | Zoom lens for use in projection devices An exemplary zoom lens for use in projection technology includes, in this order from the magnification side to the minification side thereof, a first lens group having negative refraction of power, a second lens group having positive refraction of power, a third len... | 10/21/2008 |
| 7411746 | Wide-angle lens system A wide-angle lens system includes a negative front lens group and a positive rear lens group, in this order from the object. The negative front lens group includes a negative first sub-lens group and a positive second sub-lens group, in this order from the ob... | 08/12/2008 |
| 7408716 | Refractive projection objective for immersion lithography A purely refractive projection objective suitable for immersion microlithography is designed as a single-waist system with five lens groups, in the case of which a first lens group with negative refractive power, a second lens group with positive refractive power, a... | 08/05/2008 |
| 7385769 | Image forming optical system, and image pickup apparatus and identification apparatus using the system An image forming optical system comprising, in order from an object side: a negative lens unit having one or two negative lenses without including any positive lens; a reflecting member; an aperture stop; and a positive lens unit having one or two positive lenses wi... | 06/10/2008 |
| 7382540 | Refractive projection objective Refractive projection objective with a numerical aperture greater than 0.7, consisting of a first convexity, a second convexity, and a waist arranged between the two convexities. The first convexity has a maximum diameter denoted by D1, and the second convexity has ... | 06/03/2008 |
| 7286302 | Optical system, image pickup device and digital apparatus A wide angle of view optical system, suitable for monitor cameras such as an in-vehicle camera and a security camera, having a reduced optical entire length and aberration correction for forming an optical image on light-receiving surfaces of an imaging element havi... | 10/23/2007 |
| 7268948 | Optical element and optical scanning device using the same To obtain an optical element capable of obtaining uniform anti reflection characteristics over the whole optical surface having a finite curvature of the optical element, a plurality of convex optical pieces having an anti reflection function are provided on a surfa... | 09/11/2007 |
| 7259912 | Fresnel lens having reduced distortions A display device for displaying images in a rear projection display device is provided. The display device may include, amongst other structure, a screen including a lens portion and a frame portion. A tensioner may be operatively associated with the screen and may ... | 08/21/2007 |
| 7227694 | Large aperture wide-angle lens and camera including large aperture wide-angle lens A large aperture wide-angle lens includes first and second lens groups separated by a stop. The first lens group includes more than one lens element and the second lens group includes, in order from the object side, a first lens component having at least one aspheri... | 06/05/2007 |
| 7227701 | Zoom lens and optical apparatus having the same A zoom lens, comprising, in order from an object side to an image side: (a) a first lens unit of negative optical power; (b) a second lens unit of positive optical power; and (c) a third lens unit of positive optical power, wherein a separation between the first len... | 06/05/2007 |
| 7218455 | Zoom lens and imaging apparatus A zoom lens having at least a first lens group including a reflection member for bending an optical axis fixedly during zooming and having a negative refractive power, a second lens group having a negative refractive power, and a third lens group arranged in the ord... | 05/15/2007 |
| 7215477 | Zoom lens and image display apparatus including the zoom lens Provided is a projection lens, including: a plurality of moving lens units that move on an optical axis for zooming; and a plurality of plastic lenses containing plastic, in which when a focal distance of an i-th positive lens from a predetermined plane side of N po... | 05/08/2007 |
| 7215481 | Taking lens, and imaging device incorporating the same A taking lens system includes, in order from an object side thereof, a first lens group (negative refracting), a second lens group (positive refracting), an aperture stop and a third lens group (positive refracting). Focusing from an infinite distance to a finite di... | 05/08/2007 |
| 7187503 | Refractive projection objective for immersion lithography A purely refractive projection objective suitable for immersion microlithography is designed as a single-waist system with five lens groups, in the case of which a first lens group with negative refractive power, a second lens group with positive refractive power, a... | 03/06/2007 |
| 7180686 | Image pickup unit for endoscope An image pickup unit which consists of an objective optical system and a solid-state image pickup device: the objective optical system being composed of a first negative lens unit comprising a first meniscus lens element having a convex surface on the object side an... | 02/20/2007 |
| 7175287 | Wide angle projection lens A projection display device is provided. The projection display device may include an image generation device configured to generate an image and a wide angle lens system having an optical axis configured to receive the image and project the image along an optical p... | 02/13/2007 |
| 7164542 | Zoom lens, variable magnification group, camera unit and portable information terminal unit Disclosed is a zoom lens herein. The zoom lens has a first group G1 having a negative focal length, a second group G2 having a positive focal length and a third group G3 having a positive focal length in turn from an object side, and has an open... | 01/16/2007 |
| 7150537 | Projection television device and screen A front projection display device is provided including an image-generating source configured to generate an image, a wide angle lens system adapted to receive the image, and a screen. The wide angle lens system may be configured to increase distortion of the image ... | 12/19/2006 |
| 7133210 | Eyepiece lens An eyepiece lens includes first lens group G1 having a negative refracting power including a negative meniscus lens with a concave surface facing eyepoint E.P side, second lens group G2 having a positive refracting power including a lens with both conv... | 11/07/2006 |
| 7113348 | Zoom lens and optical apparatus having the same A zoom lens, including, in order from an object side to an image side (a) a first lens unit of negative optical power, (b) a second lens unit of positive optical power, and (c) a third lens unit of positive optical power, wherein a separation between the first lens ... | 09/26/2006 |
| 7113347 | Zoom lens and optical apparatus having the same A zoom lens, including, in order from an object side to an image side (a) a first lens unit of negative optical power, (b) a second lens unit of positive optical power, and (c) a third lens unit of positive optical power, wherein a separation between the first lens ... | 09/26/2006 |
| 7102820 | Flat valley fresnel lens for a display device A Fresnel lens for a display device is provided. The Fresnel lens includes a first sloped surface angled to receive input light, a second sloped surface facing the first sloped surface, and a valley floor linking the first sloped surface to the second sloped surface... | 09/05/2006 |
| 7095570 | Imaging optical system and electronic apparatus using the same An optical system includes in order from an object side, a negative lens having a concave surface directed toward an object side, an aperture stop, a double convex lens, a negative meniscus lens having a convex surface directed toward an image side, and a positive l... | 08/22/2006 |
| 7088507 | Rear projection display The ultra-thin rear projection display device described herein includes a lens system and one or more planar mirrors that are parallel to a screen on which an image is to be displayed. The screen may be a Fresnel lens having a plurality of bumps on the output surfac... | 08/08/2006 |
| 7088509 | Laminate screen for display device A rear projection display device is provided. In an embodiment, the display device includes a laminate screen including a Fresnel lens lamina having a non-planar input surface, a substantially planar output surface and a first index of refraction. The laminate scree... | 08/08/2006 |
| 7080910 | Method and system for a thermal architecture and user adjustable keystone in a display device A method and system for a thermal architecture and user adjustable keystone in a display device is described. The system includes a screen, a lens to project images, and one or more mirrors to reflect the images projected by the lens to the screen. A mirror assembly... | 07/25/2006 |
