| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 359626000 | Particular focusing or defocusing characteristic | 28 |
| 20080266667 | Image Sensor Having Micro Lenses Arranged in Different Ratios According to Left Side and Right Side Ratios - There is provided an image sensor having micro lenses of which pitches decrease by different ratios according to left side and right side ratios, which are arranged in different ratios according to upper side and right side ratios, and of which pitches in the edge area are equal to a pixel pitch to arrange the micro lenses in a predetermined interval, thereby capable of preventing ambient sensitivity from deteriorating and suppressing crosstalk. | 10-30-2008 |
| 20090021840 | Micro-Optic Security And Image Presentation System Presenting A Synthetically Magnified Image That Appears To Transform Into Another Image - A film material utilizing a regular two-dimensional array of non-cylindrical lenses to enlarge micro-images, called icons, to form a synthetically magnified image through the united performance of a multiplicity of individual lens/icon image systems. The synthetic magnification micro-optic system includes one or more optical spacers ( | 01-22-2009 |
| 20090073569 | COMPOUND EYE - A compound eye is provided. The compound eye includes a microfluidic device defining a plurality of wells therein. A plurality of lenses are disposed in corresponding wells of the microfluidic device. Each lens has a tunable focal length. A tuning structure tunes the focal length of each lens in response to a predetermined stimulus. | 03-19-2009 |
| 20090109542 | Lens, a lens array and imaging device and system having a lens, and method of forming the same - A lens, a lens array and imaging device and system containing a lens, and a method of forming a lens array and an imaging device and system containing a lens. Each lens has varying reflection indices in a radial direction. | 04-30-2009 |
| 20090122412 | Image Presentation and Micro-Optic Security System - An image presentation system employing microstructured icon elements to form an image. In one form a synthetic optical image system is provided that includes an array of focusing elements, and an image system that includes or is formed from an array or pattern of microstructured icon elements, such as those described below, wherein the microstructured icon elements are designed to collectively form an image or certain desired information, and wherein the array of focusing elements and the image system cooperate, for example through optical coupling, to form a synthetic optical image which image may optionally be magnified. In another form an image presentation system is provided that includes or is formed from an array or pattern of microstructured icon elements, such as those described below, wherein the microstructured icon elements are designed to collectively form an image or certain selected information, and wherein the image system is designed to stand alone and be the image viewed or the information read by use of a magnifying device, such as a magnifying glass or microscope, that is provided separately from the image system. | 05-14-2009 |
| 20090153975 | High Power EUV Lamp System - A system for providing extreme ultraviolet (EUV) radiation comprises a laser source arranged to produce a laser beam having a focus; and a carrier movable relative to the laser source for carrying a surface material, the surface material when carried by the carrier providing a renewable target edge. The focussed beam is arranged to impinge on the target edge to produce an EUV radiation emitting plasma. The system is cooperable with a mirror for harnessing the EUV radiation by reflecting EUV radiation impinging thereon. The mirror comprises a substantially aspheric surface and means for supplying a reflecting liquid to at least partially coat the aspheric surface, the mirror being rotatable to centrifugally confine the liquid to the aspheric surface. | 06-18-2009 |
| 20090180192 | Method and Apparatus for Imaging - A method for forming an image of a beam source that during operation provides a beam, and wherein the beam is split so as to divide the beam into beamlets, wherein a redirecting organ is used with which each individual beamlet is redirected to a predetermined degree with the extent of redirection of each beamlet by means of the redirecting organ depending on the distance of that beamlet to a central axis of the beam, such that the beamlets converge in a common point with the beamlets from the beam source being focused to foci located in the redirecting organ, and with the beamlets originating from these foci being focussed in the common imaging point. | 07-16-2009 |
| 20090231718 | OPTICAL ILLUMINATION SYSTEM FOR CREATING A LINE BEAM - In one aspect, the disclosure features an optical system configured to create from a beam of light an intensity distribution on a surface, whereby the optical system comprises at least a first optical element which splits the incident beam into a plurality of beams some of which at least partially overlap in a first direction on said surface and whereby the optical system further comprises at least a second optical element which displaces at least one of said beams in a second direction on said surface. | 09-17-2009 |
| 20090268303 | LENS ARRAY - A lens array capable of making the characteristics of lens elements uniform is provided. A lens array | 10-29-2009 |
| 20090284839 | OPTICAL DEVICE AND CRYSTALLIZATION DEVICE - An optical device comprises a first cylindrical lens array in which a plurality of first lens segments each having a first radius of curvature and a first width so as to divide laser light into a plurality of light components are arranged, and a plurality of second lens segments each having a second radius of curvature and a second width, and provided in at least one position of the first cylindrical lens array so as to be arranged between adjacent first lens segments. | 11-19-2009 |
| 20090284840 | PROCESS FOR MAKING MICROLENS ARRAYS AND MASTERFORMS - A process for making a microlens array or a microlens array masterform comprises
| 11-19-2009 |
| 20100002307 | Lens array, led head, exposure device, image forming apparatus and reading apparatus - A lens array includes a plurality of lens units each of which includes a plurality of microlenses linearly arranged, and a light shielding member having a plurality of openings as apertures. The openings are disposed so as to face the microlenses of respective lens units. Facing microlenses of the lens units have optical axes substantially aligned with each other and passing the openings of the light shielding member. Light absorbing portions are provided in the openings. | 01-07-2010 |
| 20100123954 | KOHLER CONCENTRATOR - One example of a solar voltaic concentrator has a primary Fresnel lens with multiple panels, each of which forms a Köhler integrator with a respective panel of a lenticular secondary lens. The resulting plurality of integrators all concentrate sunlight onto a common photovoltaic cell. Luminaires using a similar geometry are also described. | 05-20-2010 |
| 20100165470 | Lens Array Element and Method - According to one embodiment of the present invention a method for directing light onto a digital micromirror device is disclosed that includes the steps of directing light toward a DMD through a lens that includes a plurality of lens elements such that, absent correction, the directed light is distorted at the DMD; and compensating for the distortion of the directed light at the DMD by predistorting the directed light prior to reaching the DMD by the plurality of lens elements. | 07-01-2010 |
| 20100232028 | OPTICAL ELEMENT AND LENS ARRAY - A lens array is provided. A manufacturing process is facilitated and micro fabrication can be performed. In addition, variation in an optical axis that depends on the processing accuracy and decentering of a droplet in the voltage-driven state is suppressed. In a lens array, a plurality of pyramidal recesses that receive droplets are two-dimensionally formed in a sealed cell in which first liquid that is conductive and second liquid (droplet) that is insulative are contained without being mixed with each other. Since the recesses are formed in a pyramidal shape, the centering performance of the droplets placed in the recesses can be improved and variation in optical axes of lens elements formed of interfaces of the droplets can be suppressed. In addition, the optical axes can be stably positioned and decentering of the droplets in the voltage-driven state can be suppressed. Furthermore, micro fabrication can be facilitated compared to the case in which the recesses are conical, and the recesses can be densely arranged. | 09-16-2010 |
| 20110122499 | Optically variable devices - A security device comprises a substrate having an array of microlenses on one side and one or more corresponding arrays of microimages on the other side. The microimages are located at a distance from the microlenses substantially equal to the focal length of the microlenses. The substrate is sufficiently transparent to enable light to pass through the microlenses so as to reach the microimages. Each microimage is defined by an anti-reflection structure on the substrate formed by a periodic array of identical structural elements, light passing through a substrate and impinging on the microimages being reflected to a different extent than light which does not impinge on the microimages thereby rendering the microimages visible. | 05-26-2011 |
| 20110149405 | METHOD AND APPARATUS FOR MANUFACTURING A SECURITY DOCUMENT COMPRISING A LENTICULAR ARRAY AND BLURRED PIXEL TRACKS - A method of manufacturing a display device, in particular a security document, includes providing m images of an object, wherein m is at least equal to 2, dividing each image into n sets adjacent arrays (l | 06-23-2011 |
| 20110242665 | IMAGING APPARATUS - A front curtain is biased by a biasing force so as to move from a third position on an optical path of an optical system to a fourth position at which the front curtain does not block a subject image being imaged by the optical system in a direction parallel to an imaging surface of an imaging element IMG. A rear curtain is biased by a biasing force so as to move from the third position on the optical path of the optical system to the fourth position at which the rear curtain does not block the subject image being imaged by the optical system in a direction parallel to the imaging surface of the imaging element IMG. A multiocular lens is moved by one or both of a front curtain driving mechanism and a rear curtain driving mechanism between a first position on the optical path of the optical system and a second position at which the multiocular lens does not block the subject image being imaged by the optical system in a direction parallel to the imaging surface of the imaging element IMG. | 10-06-2011 |
| 20120062997 | OPTICAL DEVICE HAVING EXTENTED DEPTH OF FIELD AND FABRICATION METHOD THEREOF - A method for designing an optical device which includes a lens and a microlens array is disclosed. A point spread function (PSF) of the lens including rotationally symmetrical aberration coefficients is formulated, wherein the PSF presents various spherical spot sizes. A virtual phase mask having phase coefficients is provided and the phase coefficients are added to the PSF of the lens, such that the various spherical spot sizes are homogenized. The virtual phase mask is transformed into a polynomial function comprising high and low order aberration coefficients. A surface contour of the lens is determined according to the rotationally symmetrical aberration coefficients and the low order aberration coefficients, and a sag height of each microlens in the microlens array is determined according to the high order aberration coefficients. An optical device using the design method is also disclosed. | 03-15-2012 |
| 20120170129 | ANIMATED LENTICULAR DEVICE - Disclosed are animated/active lenticular devices that are useful as animated entertainment and advertising devices. In one embodiment, the device is used in connection with an advertising button or card that can be attached to a product or article of clothing. Other uses include fixed displays, greeting cards, books, point-of-purchase displays, sporting event devices that can be worn on clothing or attached to the skin, and the like. | 07-05-2012 |
| 20120327517 | METHOD AND APPARATUS FOR MANUFACTURING A SECURITY DOCUMENT COMPRISING A LENTICULAR ARRAY AND BLURRED PIXEL TRACKS - This invention relates to a method of manufacturing a display device, in particular a security document, comprising the steps of providing m images of an object, wherein m is at least equal to 2, dividing each image into n sets adjacent arrays ( | 12-27-2012 |
| 20130010365 | Speckle reduction using lenslet integrator - Disclosed herein are techniques for the reduction speckle of a projection display system using novel lenslet integrators and related methods. In one embodiment, a lenslet integrator system for reducing speckle on a display screen may comprise a first lenslet array configured to receive incoming light for use in displaying an image on a display screen. Specifically, the first lenslet array has motion sufficient to reduce speckle by averaging multiple speckle patterns across its array. Such an exemplary system may also include a second lenslet array configured to receive light that is roughly focused from the moving first lenslet array, due to the motion of the first array. In addition, such systems may also include an output lens configured to receive light focused from the second lenslet array for output from the system for illumination of the display screen. | 01-10-2013 |
| 20140022645 | HEAD-UP DISPLAY DEVICE - A head-up display device which can improve light irradiation efficiency toward an eye box, suppress the amount of brightness change for a display image affected by the movement of the viewpoint, and achieve desirable properties for the light distribution angle. An illumination optical system of the head-up display device has a light source for emitting a light beam, a lens array for generating a plurality of images of the light source by dividing the light beam, and a field lens for irradiating on a display member at a given angle the light beam emitted from the image of the light source, which is generated by the lens array, wherein the lens array is arranged such that the imaging surface of the light source generated by the lens array is located on the side of the principal point of the field lens with respect to a focal point on the side of an object of the field lens. | 01-23-2014 |
| 20140055862 | VIRTUAL IMAGE EMERGING ORNAMENTAL BODY AND METHOD FOR MANUFACTURING VIRTUAL IMAGE EMERGING ORNAMENTAL BODY - A virtual image emerging ornamental body including: a unit array in which pixel units are disposed; and a condensing element array configured of a plurality of condensing elements which are disposed in positions are associated with the pixel units, in which an arrangement pitch of one side of the pixel units or the condensing elements includes an arrangement pitch having a value of two or more integral multiples of a value which is obtained by adding a predetermined difference to an arrangement pitch of the other side. | 02-27-2014 |
| 20140293429 | LENS ARRAY, AND METHOD OF MANUFACTURING THE SAME - Provided is a lens array including plural lenses, wherein each lens has a curvature in a first direction and a curvature in a second direction which is different from the first direction, the curvatures being different from each other. | 10-02-2014 |
| 20150070770 | OPTICAL ELEMENT, HEAD-UP DISPLAY AND LIGHT SOURCE UNIT - An optical element includes a microlens array on which plural microlenses are arranged. The microlens array includes plural areas whose microlenses have different curvature radii per area. The plural areas are configured so that the farther the area exists from the center of the microlens array, the smaller the curvature radius of the microlenses arranged on the area is. | 03-12-2015 |
| 20150309321 | DEVICES FOR INTEGRAL IMAGES AND MANUFACTURING METHOD THEREFORE - An integral image device, comprises a focusing element array of focusing elements in a focusing element plane and an image array of cells in an image plane. The cells comprise structures that are optically distinguishable. The image plane is situated at a distance from the focusing element plane being in a vicinity of a focal length of the focusing elements. The structures together provide an integral image when being viewed through the focusing elements. The structures of each individual cell are individually adapted to provide different scenes of the integral image for different angles in which the integral image is viewed. The dimensional models comprises at least one three-dimensional model. | 10-29-2015 |
| 20160178965 | DISPLAY DEVICE AND MANUFACTURING METHOD OF THE SAME | 06-23-2016 |
