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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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7345828 |
Refractive-diffractive hybrid lens, in particular for beam shaping of high power diode lasers
A cylindrical lens having a refractive optical element and a diffractive optical element is provided. The cylindrical lens can be fabricated cost effectively and precisely, and optical aberrations...
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7345829 |
Objective lens
Lens aberration in an objective lens for recording and reproducing optical information, which is composed of a molded aspherical single lens, is inhibited while at the same time good lens...
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7339752 |
Image pick-up lens system
An image pick-up lens system from an object side to an image side includes an aperture stop ( 10 ), and a meniscus-shaped lens ( 20 ) having a concave surface on the object side and a convex...
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7336430 |
Extended depth of field using a multi-focal length lens with a controlled range of spherical aberration and a centrally obscured aperture
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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7336423 |
Hybrid lens
A hybrid lens ( 10 ) includes a plastic lens ( 12 ) and a glass coating film ( 14 ). The plastic lens is manufactured by injection molding. The glass coating film is formed on an outer surface of...
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7317578 |
Imager to imager relay lens system
A lens system for use in a two-stage projection system that relays light output from a first imager on a pixel-by-pixel basis onto a second imager (e.g. an LCOS). The lens system includes a double...
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7307791 |
Head mounted device
A head-mounted display (HMD) comprises a frame for hanging on a user's head, and a display device affixed to the frame. The display device comprises alight source, a driving circuit for generating...
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7302181 |
Single lens multiple light source device
An optical communication device having multiple light sources under a single lens. The optical communication device has two light sources. The optical communication device has a lens optically...
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7301706 |
Complex lens
An embodiment of a complex lens ( 1 ) includes a central substrate ( 10 ), two opposite glass layers ( 12 ), and two opposite IR-cut layers ( 13 ). The substrate is made of transparent plastic,...
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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...
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7283702 |
Method and apparatus for optimizing the target intensity distribution transmitted from a fiber coupled array
Encircled far field energy is substantially increased by modifying the near field energy distribution of radiation from each fiber in an emitting array. Each beamlet output from a fiber is modified...
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7271963 |
Bi-curvature lens for light emitting diodes and photo detectors
A bi-curvature lens for diodes in an infrared wireless communication transceiver is disclosed. Devices having such a bi-curvature lens, such as a light emitting device, a light detecting device,...
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7262924 |
Optical system and image pickup apparatus including the same
At least one exemplary embodiment is directed to an optical system which includes a compound optical element including a lens element and a resin layer having different optical characteristics and...
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7236314 |
Compact lens system
A compact lens system includes, in succession from an object side to an image side, an aspheric first lens element ( 1 ) having a positive power, an aperture stop ( 4 ), an aspheric second lens...
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7230770 |
Projection lenses having color-correcting rear lens units
Projection lenses for use with pixelized panels (PP) are provided. The projection lenses have a first unit (U 1 ) separated from a positive second unit (U 2 ). The lenses are telecentric on the...
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7227703 |
Aspheric lens and method for making same
An aspheric lens ( 1 ) includes a substrate ( 10 ) and an aspheric film ( 12 ). The substrate ( 10 ) is made of glass, and has a spherical surface ( 102 ). The aspheric film ( 12 ) is formed on a...
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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...
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7212354 |
Lens system for digital camera
A lens system ( 46 ) for a digital camera consecutively includes a first lens element ( 20 ), a second lens element ( 30 ), and a third lens element ( 40 ). The first lens element is biconvex and...
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7180673 |
Mechanically-adjustable optical phase filters for modifying depth of field, aberration-tolerance, anti-aliasing in optical systems
An optical system with mechanical adjustment provides for the rotation and/or translation of one or more optical phase filters to variably select an extended depth of field, aberration-tolerance,...
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7177098 |
Image pickup lens
An image pickup lens can form an excellent optical image on a compact image pickup element having a large number of pixels. The image pickup lens includes, sequentially from the object side, an...
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7154678 |
Projection objective having adjacently mounted aspheric lens surfaces
A projection objective has at least five lens groups (G 1 to G 5 ) and has several lens surfaces. At least two aspheric lens surfaces are arranged so as to be mutually adjacent. These mutually...
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7149037 |
Zoom lens system and image-taking apparatus having the same
A zoom lens system includes plural optical units each of which includes plural optical elements each having a rotationally asymmetrical surface, and changes optical power as the optical elements in...
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7149040 |
Scanning device including an objective lens formed of two materials
An optical scanning device ( 1 ) for scanning an information layer ( 4 ) of an optical record carrier ( 2 ), the information layer ( 4 ) being covered by a transparent layer ( 3 ) of thickness t d ...
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7145734 |
Windowed optical system having a tilted optical element to correct aberrations
A system includes a dome window and an optical system having a central optical path that passes through the dome window. The optical system includes a refractive optical element having an axis of...
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7145729 |
Foldable projection lenses
Projection lenses for use with pixelized panels (PP) are provided. The projection lenses have a first unit (U 1 ) separated from a positive second unit (U 2 ) by a distance sufficient to accept a...
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7142374 |
Optical system for laser riflescope
An optical system for a laser riflescope includes, an objective lens group ( 1 ), an eyepiece lens element ( 3 ) defining an optical axis with the objective lens group, and an erector lens group (...
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7130127 |
Terrestrial telescope with digital camera
A terrestrial telescope with digital camera has an imaging optical system having a group of objective lenses and an imaging element disposed at a position at which an optical image is formed by the...
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7116493 |
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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7106523 |
Optical lens used to focus led light
An aspheric lens focuses light emitting from a light-emitting diode (LED) of a light-generating dental device for curing light-curable compounds during dental procedures. The LED is preferably...
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7102834 |
Photographic objective of the modified double gauss type
A photographic objective of the modified double gauss type is presented. The object has a forward group that includes three lens elements (L 1 , L 2 , L 3 ) and has the refractive power sequence...
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7102826 |
Telecentric singlet having a small height requirement
A single lens that has a small spot size across a large field of view and a small height. The lens has a first surface for performing color correction functions and a second surface for primarily...
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7095569 |
Lens system for a motor vehicle vision system
A fisheye-corrected lens system includes a plurality of axially aligned lenses. At least one of the lenses includes an aspheric surface and an image distortion of the lens system is less than about...
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7082000 |
Aspherical lens with grating
An aspherical lens ( 10, 10′ ) has an aspherical surface ( 101, 101′ ) and an opposite flat surface ( 102, 102′ ). A multiple-step grating is defined in the flat surface by a...
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7075727 |
Projection lens system for image projection apparatus
A projection lens system for an image projection apparatus that enhances the image aberration correction rate to achieve high resolution and luminance. The lens system includes a first lens group...
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7068444 |
Image display unit and projection optical system
An intermediate image of an image from the LCD module 142 is deflected by reflection mirrors M 1 and M 2 via zoom automatic focus control system (g) and then is formed on diffusion glass 131 ...
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7061690 |
Apparatus for establishing substantially uniform distribution of light
A device that includes a parabolic or hyperbolic lens that operates by receiving a uniform or non-uniform input light beam and produces a relatively uniform illumination of an illumination surface.
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7050236 |
Diffractive optical element and optical pickup apparatus
The present invention relates to a diffractive optical element which has chromatic aberration capable of recording and reproducing without any problem even in the case of instantaneous wavelength...
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7042655 |
Apparatus and method for use in fulfilling illumination prescription
The present embodiments provide methods, apparatuses, and assemblies for use in producing a desired output beam that meets a desired intensity prescription. An apparatus can include an input...
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7042654 |
Optical system having a transmission optical corrector with a selectively nonuniform passive transmission optical property
An optical system includes a window having a nonspherically curved outer surface and a curved inner surface, and a transmission optical corrector adjacent to the curved inner surface of the window....
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7038846 |
Solid catadioptric lens with a single viewpoint
A solid catadioptric lens with a single viewpoint has a spherical refractive surface with a center C on an optical axis of the lens. An ellipsoidal reflective surface of the lens faces the...
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7031061 |
Diffusing film comprising transparent resin and scatterers
A diffusing film comprises a transparent resin in which scatterers are dispersed. The difference between the refractive index of the transparent resin and that of the scatterers is in the range of...
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7012761 |
Teledaga mirror
A vehicle mirror assembly 10 is provided. The vehicle mirror assembly 10 comprises a base 12 comprising a first base ellipsoidal portion 32 having a constant first minor axis 27 ′ and a...
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6992837 |
Hybrid lens and projection optical system including the same
A hybrid lens and a projection optical system having the hybrid lens are provided. The projection optical system includes a hybrid lens that is positioned along an optical path between a...
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6989937 |
High-aperture projection lens
A six-element cinema projection lens is described in front of which an aspherized plane-parallel plate is positioned on the screen side. This arrangement permits the cost-effective design of a...
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6982834 |
Wide-angle zoom lens including at least one aspheric lens surface
A three-group zoom lens includes first, second, and third lens groups, of negative, positive, and positive refractive power, respectively. The second lens group includes a stop and the third lens...
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6965715 |
Lens and method for producing a lens
A rod lens with one or more optically active surfaces and one or more inactive surfaces, in which one part of the optically inactive surface or surfaces, especially a lens facet and/or radial...
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6961190 |
Bulk lens, light emitting body, lighting device and optical information system
The lens embraces a bulk-shaped lens body identified by a top surface, a bottom surface and a contour surface, and a well-shaped concavity is implemented in the inside of the lens body, aligned...
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6954315 |
Night vision and audio signal reduction system
A surface configuration obscures an object from detection by night vision devices, ultraviolet devices and infrared devices. The surface configuration is three dimensional, having spaced inner and...
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6943964 |
Single element laser beam shaper
A single lens laser beam shaper for converting laser beams from any spatial profile to a flat-top or uniform spatial profile. The laser beam shaper includes a lens having two aspheric surfaces. The...
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