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7630147 |
Laser beam shaping for pitchfork profile
Apparatus, systems, methods and devices of an optical system for producing a laser beam having pitchfork profile. The system includes a laser source providing an input Gaussian beam, refractive...
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7625102 |
Lighting device
A lighting device can have a simple configuration which can be formed compactly in the direction of its optical axis in particular, and with a light weight. The lighting device can also have a...
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7618160 |
Near field lens
A lens for use with a light emitting source is provided. The lens has a main body with a light-collecting face and a light-emitting face and which defines an optical axis extending through the...
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RE40954 |
Objective lens and optical head device
An objective lens ( 1 ) for an optical disk, which focuses a light beam from a light source, is designed so that a third-order coma aberration generated when the objective lens is inclined at a...
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7613099 |
Solid immersion lens, condensing lens, optical pickup device, optical recording and reproducing apparatus and method of forming solid immersion lens
A solid immersion lens has an inclined portion formed on at least a part thereof from the tip end portion of the objective side to a spherical portion and an inclination angle θ is expressed as...
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7609460 |
Zoom lens and imaging apparatus
A zoom lens configured by arranging a first lens group, a second lens group, a third lens group, a fourth lens group, and a fifth lens group in order from the object side to the image side, and...
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7609441 |
Distorted pupil relay for spectral filtering
A system and method for spectral filtering of images are provided. The system and method utilize a first biconic lens surface to astigmatize a substantially 2-D system pupil into a substantially...
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7599133 |
Optical part for camera and method of fabricating the same
An optical part for a camera comprising a substrate made of a polyolefin plastic and an optical resin layer placed on the substrate, wherein the surface of the substrate is provided with a polar...
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7580198 |
Lens for light emitting diode, back light assembly having the same, and liquid crystal display having the assembly
An optical lens has a first curved surface. The first curved surface has a first variable curvature. The optical lens has a second curved surface. The second curved surface has a second variable...
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7580192 |
Collimation lens system for LED
A collimation lens system for converging the light from an LED into a light beam, includes a central lens aligned along the optical axis of the LED for converging inner light from the LED, the...
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7573647 |
Optical unit and image capturing apparatus including the same
In zooming, an optical unit moves the lens unit located at the most image side and the image sensor along the optical axis while not moving at least one lens unit, of a plurality of lens units,...
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7570437 |
Omni-directional imaging and illumination assembly
In a first aspect, the present invention provides an omni-directional imaging assembly. In the preferred embodiment the assembly of the invention comprises a solid omni-directional lens comprising...
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7554753 |
Fish-eye lens and imaging device
A fisheye lens, comprising a front group made up of a total of three groups, which are two concave lenses 1 and 2 whose concave surfaces are directed toward the image side, and a compound lens ...
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7554750 |
Imaging using a multifocal aspheric lens to obtain extended depth of field
A system for imaging with a circularly symmetric multifocal aspheric lens is provided for obtaining an extended depth of field. The system includes a camera for capturing an image of at least one...
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7551363 |
Fixed-focus lens
A fixed-focus lens including a first lens group, a second lens group and a third lens group which are arranged in sequence from an object side to an image side is provided. The first lens group has...
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7545583 |
Optical lens having antireflective structure
An optical lens in which reflection is suppressed is provided by providing the optical lens with: a convex lens surface having, when the angle between a plane in contact with the lens surface and a...
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7542215 |
Zoom lens system and optical apparatus using the same
A zoom lens system excellently correcting various aberrations with accomplishing compactness, lightweight, and slimness upon accommodating lens barrel. The system consists of, in order from an...
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7538951 |
Robust family of microdisplay projection lenses
The present invention provides a projection lens system comprising a double-gauss architecture with aspheric lens elements at the beginning and end of the lens system with a system stop...
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7535650 |
Zoom lens, image pickup apparatus, and personal digital assistant
A zoom lens, in order from an object side, includes a first lens group having a negative refracting power, a second lens group having a positive refracting power and an aperture stop. When zooming...
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7529030 |
Optical apparatus with optical element made of a medium exhibiting negative refraction
A lens made of a medium exhibiting negative refraction is disclosed. Also, an optical element made of a medium exhibiting negative refraction is disclosed. The lens or optical element may be...
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7525738 |
Lens system
A lens system includes, in sequence from an object side to an image side, a first lens group having negative refractive power; a second lens group having positive refractive power, which includes a...
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7511895 |
Apparatus and method for extended depth of field imaging
An extended depth of field is achieved by a computational imaging system that combines a multifocal imaging subsystem for producing a purposefully blurred intermediate image with a digital...
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7505802 |
Capsule endoscope
A capsule endoscope is disclosed that includes a capsule and a transparent cover having a central axis and that is located in front of an objective optical system within the capsule. The objective...
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7502175 |
Aspherical lens and process for the production thereof
An aspherical lens formed of a high-refractivity low-dispersion glass, which is useful for constituting a compact and high-function image-sensing optical unit and which is formed by precision...
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7499228 |
Lens for uniformly distributing light and optical emitting device using the same
A lens includes a convex surface formed in an outer surface thereof facing away from a light source to uniformly distribute light emitted from the light source; a concave surface concaved inward...
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7493030 |
Adaptive optical plane formation with rolling shutter
A scene is imaged by moving an optical lens relative to an image sensing surface (such as film or a pixel array) synchronously with exposing different portions of the image sensing surface. The...
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7474474 |
High-heat dissipation lighting lens
There is provided a lighting module of the type having a solid-state light source, in particular a LED, a supporting plate, and a lens; the lens has a recess housing the light source; the lens is...
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7474472 |
Zoom lens, and imaging system comprising the same
The invention relates to a zoom lens favorable for offering a tradeoff between slimming down a lens system upon received in an associated lens mount and making sure a small F-number. There is a...
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7466911 |
Image taking lens
An image taking lens forming an optical image on an solid-state image pickup element according to the present invention, is provided with, in order from an object side thereof: a first lens with a...
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7463425 |
Zoom lens system
A zoom lens system is disclosed that includes a front first lens group including a first lens of divergent meniscus and a second lens of plano-convex; an intermediate second lens group including a...
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7460314 |
Three-piece type optical lens
A three piece type optical lens includes a first lens element with positive refractive power, a second lens element with negative refractive power, a third lens element with negative refractive...
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7453653 |
Low height imaging system and associated methods
Low height imaging systems may include one or more optical channels and a detector array. Each of the optical channels may be associated with one or more detectors of the array, have one or more...
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7453788 |
Optical head, optical information recording/reproducing apparatus, computer, video recording/reproducing apparatus, video reproducing apparatus, server and car navigation system
An optical head is provided that increases the light utilization efficiency and that can be adapted to high-speed recording and double-layer disks. A beam-shaping lens that shapes an elliptical...
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7443609 |
Optical lens, optical module having the same, and backlight assembly having the same
An optical module includes a point light source device and an optical lens. The point light source device generates light. The optical lens includes an inner curved surface and an outer curved...
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7440197 |
Image forming lens and portable information terminal
The image forming lens comprises a stop and a single lens placed in this order from the object side, wherein if the object-side surface of the single lens having paraxial curvature radii to form...
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7433133 |
Optical system
The present invention provides an optical system for illuminating and viewing a target in which an illumination element and a receiving means are disposed behind a single optical window, and which...
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7423816 |
Solid immersion lens and microscope
A solid immersion lens 1 comprises a spherical portion 2 and a bottom surface portion 3 . The bottom surface portion 3 is attached in close contact with a substrate 10 of a semiconductor...
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7418199 |
Imaging apparatus
An imaging apparatus including a first lens unit with positive power in which the most object-side surface is concave and the most image-side surface is convex, an aperture stop, a second lens unit...
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7414791 |
Eye detection apparatus and image display apparatus
What is disclosed is an eye detection apparatus which can detect the pupil position accurately. The apparatus has an image taking unit that picks up an image of an eye and a pupil detection unit...
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7411740 |
Zoom lens
Disclosed is a zoom lens, which includes, in sequence from an object side to an image side, a positive first lens group, a negative second lens group, a positive third lens group, a positive fourth...
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7411742 |
Focusing lens for LED
A focusing lens for an LED is provided. The focusing lens for an LED, which concentrates light emitted from the LED so as to have directionality parallel to an optic axis, comprises: a transparent...
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7412158 |
Deeper depth of field for video
A digital camera apparatus has a sensing surface that captures images at a first resolution. A derivative of the captured image is displayed at a viewfinder or stored in a memory, after encoding,...
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7400456 |
Lens having seamless profile defined by cubic polynomial function
A lens includes a surface that includes a seamless profile. The seamless profile is defined by at least one cubic polynomial function to provide a filtering surface that produces a controlled...
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7391459 |
Imaging apparatus and arranging method for the same
An optical system for a CMOS sensor includes an aspherical lens with which an exit pupil distance appears short in a central region of an imaging plane and long in a peripheral region of the...
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7387448 |
Optical component, method for connecting the same, and optical module having the optical component
There are provided a substantially cylindrical optical component, a method for connecting the same, and an optical module having the optical component, whereby adequate gripping force can be...
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7379411 |
Beam shaping device
In a beam shaping device for converting the laser light emitted from a semiconductor laser light source from an elliptic beam to a circular beam, the light-entrance-side and light-exit-side...
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7370994 |
Collimating lens for LED lamp
A collimating lens includes a first end face with an LED accommodation hole for accommodating an LED lamp, a second end face, which is disposed opposite to the first end face and has an area...
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7367693 |
Vehicular lamp and projection lens for decreasing an amount of blocked light
A vehicular lamp that decreases the amount of light blocked by the extension towards the inside of the vehicle and increases the diffused light radiated toward the outside of the vehicle. The...
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7355801 |
Image pickup lens assembly
An image pickup lens assembly comprises three lens groups, from the object side to the image side: a first lens group, a second lens group, and a third lens group. The first lens group includes two...
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7349163 |
High-heat-dissipation lighting module
There is provided a lighting module of the type having a solid-state light source, in particular a LED, a supporting plate, and a lens; the lens has a recess housing the light source; the lens is...
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