Class / Patent application number | Description | Number of patent applications / Date published |
359621000 | Plural lenticular plates | 65 |
20080278820 | TETRAFORM MICROLENSES AND METHOD OF FORMING THE SAME - A lens is formed to support and tilt at least one microlens formed on the lens. The degree and direction of slope of the microlens can be controlled based on desired focal characteristics to direct light to or from a pixel of a pixel array. | 11-13-2008 |
20090009875 | Lens Array, A Line Head and an Image Forming Apparatus Using the Line Head - A lens array, includes: a plurality of lens substrates which include a plurality of lenses arranged in a first direction; and a support member which supports the plurality of lens substrates arranged in the first direction. | 01-08-2009 |
20090021839 | OPTICAL INTEGRATOR FOR AN ILLUMINATION SYSTEM OF A MICROLITHOGRAPHIC PROJECTION EXPOSURE APPARATUS - The disclosure relates to an optical integrator configured to produce a plurality of secondary light sources in an illumination system of a microlithographic projection exposure apparatus. The disclosure also relates to a method of manufacturing an array of elongated microlenses for use in such an illumination system. Arrays of elongated microlenses are often contained in optical integrators or scattering plates of such illumination systems. | 01-22-2009 |
20090153974 | Optical elements with saddle shaped structures for diffusing or shaping light - Optical elements for efficiently diffusing or shaping light have substrates with saddle shaped structures on their surfaces which provide substantially uniform light along a predefined angular range. Each saddle shaped structure defines an aperture of a lens, where the outer boundary of such aperture, when viewed normal to surface, may be of one of more different shapes, such as square or rectangular, circular, hexagonal, oval, or other geometric or arbitrary shape which may represent a full saddle shape or a subset region thereof. A plurality of saddle shaped structures may be arranged periodically or randomly along the surface. An optical element with a saddle shaped structure is referred to as a saddle lens, and optical elements with different shaped saddle shaped structures provide different types of saddle lenses. | 06-18-2009 |
20090168186 | DEVICE AND METHOD FOR REDUCING ETENDUE IN A DIODE LASER - An optical assembly for reducing the etendue of a diode laser light source having a plurality of laser light emitters. The optical assembly comprises a first optical device for collimating beams of light emitted from the emitters of the diode laser. A second optical device spatially shifts a portion of the collimated light beams emitted from the diode laser to thereby reduce gaps or dark space between the beams. A third optical device focuses all of the light beams onto a surface, such as a surface of a light modulation surface. | 07-02-2009 |
20100134895 | THIN FILM HIGH DEFINITION DIMENSIONAL IMAGE DISPLAY DEVICE AND METHODS OF MAKING SAME - A high definition thin lens dimensional image display device and methods of manufacturing the same. The thin lens dimensional image display device generally includes a lens array on a first surface of a film, such as a lenticular lens array or a fly's eye lens array, with a printed imaged either printed directly on a second planar surface of the film, or on a separate substrate that is laminated thereto. The resulting display device offers a lower cost display device having greater flexibility for a wider variety of applications than traditional image display devices, without compromising image quality. Processes for manufacturing the display device include printing on a pre-fabricated thin lens web, inline printing of an image and patterning of the lens array, and inline printing of a substrate and application of a coating to the substrate which is subsequently patterned or embossed. | 06-03-2010 |
20100246019 | MICRO-LENS ENHANCED ELEMENT - A micro-lens enhanced element comprises a substrate bearing sequences of printed image elements, each sequence containing image elements front more than one image. A transparent spacer layer is coated over the interlaced image strips. Lenticular lenses are fashioned over each sequence of image elements by deposition of a transparent layer of low surface energy polydimethyl siloxane based material and ablation of the same to create strips of material abhesive to a polymeric lens forming material between consecutive sequences of printed image elements. During deposition of a liquid lens forming material, the liquid withdraws from the liquid abhesive low surface energy strips to form a meniscus, thereby providing lenticular lenses. The transparent low surface energy material comprises a near infrared dye with low absorption in the visible range of the spectrum to render the material both transparent and ablateable by infrared laser. | 09-30-2010 |
20110249341 | SUPER LIGHT-FIELD LENS WITH DOUBLET LENSLET ARRAY ELEMENT - Light field imaging systems, and in particular light field lenses that can be mated with a variety of conventional cameras (e.g., digital or photographic/film, image and video/movie cameras) to create light field imaging systems. Light field data collected by these light field imaging systems can then be used to produce 2D images, right eye/left eye 3D images, to refocus foreground images and/or background images together or separately (depth of field adjustments), and to move the camera angle, as well as to render and manipulate images using a computer graphics rendering engine and compositing tools. A doublet lenslet array element for use in light field imaging systems includes a first lenslet array element having a first plurality of lenslet array elements, and a second lenslet array element having a first plurality of lenslet array elements, wherein the first lenslet array element is coupled in close proximity to the second lenslet array element. The first and second lenslet array elements are glued together or otherwise bonded together and the first lenslet array element is made from a first optical material different than a second material forming the second lenslet array element. | 10-13-2011 |
20120229908 | RECESSED OPTICAL SURFACES - An optics block includes a substrate having first and second opposing surfaces, the substrate being a first material, a plurality of through holes extending in the substrate between the first and second opposing surface, a second material, different than the first material, filling a portion of the through holes and extending on a portion of the first surface of the substrate outside the through holes, and a first lens structure in the second material and corresponding to each of the through holes. | 09-13-2012 |
20120300309 | LENS ARRAY, LENS UNIT, LED HEAD, EXPOSURE UNIT, IMAGE FORMATION APPARATUS, AND READING APPARATUS - A lens array includes arranged lenses. Each of at least two adjacent lenses in the lens array includes a first region located at and around an optical axis of the lens and having a first curvature, and a second region located farther away from the optical axis than the first region and having a second curvature. The second curvature is larger than the first curvature. | 11-29-2012 |
20130308197 | Capturing and Processing of Images Using Monolithic Camera Array with Heterogeneous Imagers - Systems and methods for implementing array cameras configured to perform super-resolution processing to generate higher resolution super-resolved images using a plurality of captured images and lens stack arrays that can be utilized in array cameras are disclosed. Lens stack arrays in accordance with many embodiments of the invention include lens elements formed on substrates separated by spacers, where the lens elements, substrates and spacers are configured to form a plurality of optical channels, at least one aperture located within each optical channel, at least one spectral filter located within each optical channel, where each spectral filter is configured to pass a specific spectral band of light, and light blocking materials located within the lens stack array to optically isolate the optical channels. | 11-21-2013 |
20160131805 | DEFORMED LENTICULAR MATERIAL GRAPHICS FOR AN ARTICLE OF FOOTWEAR UPPER - The present aspect is directed to lenticular material having both partially deformed lenticules and intact lenticules extending from a substrate. The intact lenticules operate to create an optical effect to enhance background graphical elements placed upon a substrate opposite the intact lenticules. The height of portions of some lenticules are reduced or deformed, thereby disrupting the optical effect. The placement of deformed portions of lenticules is used to create primary graphical elements lacking the optical effect. These primary graphical elements are accentuated by the neighboring intact lenticules, which retain the optical effect regarding the background graphical elements. | 05-12-2016 |
359622000 | Serially disposed along optic axis | 53 |
20080212194 | Scanned-Beam Heads-Up Display and Related Systems and Methods - A heads-up display that includes a scanner and a projection assembly. The scanner generates an image by sweeping a beam of electromagnetic energy, and the projection assembly directs the image into a predetermined viewing space having a region with a substantially uniform intensity profile. Such a heads-up display can often be made smaller than a conventional heads-up display, and can often generate an image having a higher quality than an image generated by a conventional display. Furthermore, one can often calibrate and recalibrate such a display without physically modifying or replacing a component of the display or of a vehicle incorporating the display. | 09-04-2008 |
20090009876 | Lens Array, A Line Head and an Image Forming Apparatus Using the Line Head - A lens array, includes: a clear substrate; and a plurality of plastic lens substrates each of which includes a plurality of lenses and which are arranged on at least one of surfaces of the clear substrate. | 01-08-2009 |
20090015928 | METHOD FOR THE DEFORMATION OF SURFACES AND ARTICLES FORMED THEREBY - A method of deforming a surface comprises exposing a composite article to a plurality of biological contractile cells, wherein the composite article comprises a substrate comprising a depression formed on a surface thereof; and a deformable layer having a first surface and an opposite, second surface, wherein the first surface of the layer is adheringly disposed on the surface of the substrate, and a portion of the layer covers the depression; and wherein the exposure is for a length of time and under conditions effective for the biological contractile cells to adhere to the second surface of the layer and deform the portion of the second layer covering the depression. | 01-15-2009 |
20090052044 | ERECTING EQUAL-MAGNIFICATION LENS ARRAY PLATE, IMAGE SENSOR UNIT, AND IMAGE READING DEVICE - An erecting equal-magnification lens array plate includes a stack of a plurality lens array plates built such that pairs of corresponding lenses form a coaxial lens system, where each lens array plate is formed with a plurality of convex lenses on both surfaces of the plate. The plate receives light from a substantially straight light source facing one side of the plate, and the plate forms an erect equal-magnification image of the substantially straight light source on an image plane facing the other side of the plate. A light shielding member operative to shield light not contributing to imaging is formed in the neighborhood of a position in the intermediate plane in the erecting equal-magnification lens array plate where an inverted image of the substantially straight light source is formed. The main lens arrangement direction of the convex lenses differs from the main scanning direction of the erecting equal-magnification lens array plate. | 02-26-2009 |
20090067055 | Lens array, manufacturing method thereof, LED head having lens array, exposure device having LED head, image forming apparatus having exposure device, and reading apparatus - An exposure device is provided that has a light emitting unit having a plurality of light emitting elements and a lens array having a pair of lenses having a first lens and a second lens, the lens array having a shielding unit for shielding a light from any one of the pair of lenses, wherein a formula EC03-12-2009 | |
20090086328 | Line Head and Image Forming Apparatus Using the Same - A line head includes: a positive lens system having two lenses with positive refractive power; an image-side lens array in which the image-side lens of the two lenses is arrayed in a plural number in first and second directions; an object-side lens array in which the object-side lens of the two lenses is arrayed in a plural number in the first and second directions; a light emitter array in which a plurality of light-emitting elements are arrayed on an object side of the positive lens system for the one positive lens system; and an aperture plate that forms an aperture diaphragm disposed on the object side of the positive lens system so that an image side is telecentric or approximately telecentric. Assuming that the row number of lenses arrayed in the second direction of the image-side lens array is m, a gap between effective regions of the two image-side lenses adjacent to each other in the first direction is α, an image-side angle of aperture (half angle) of the positive lens system is θ | 04-02-2009 |
20090141362 | ERECTING EQUAL-MAGNIFICATION LENS ARRAY PLATE - An erecting equal-magnification lens array plate includes a stack of a plurality lens array plates built such that pairs of corresponding lenses form a coaxial lens system, where each lens array plate is formed with a plurality of convex lenses on both surfaces of the plate. The plate receives light from a substantially straight light source facing one side of the plate, and the plate forms an erect equal-magnification image of the substantially straight light source on an image plane facing the other side of the plate. The main lens arrangement direction differs from the main scanning direction of the erecting equal-magnification lens array plate. The erecting equal-magnification lens array plate is provided with a first light shielding member operative to shield light not contributing to imaging and formed in the neighborhood of a position in the intermediate plane in the erecting equal-magnification lens array plate where an inverted image of the substantially straight light source is formed, and with a second light shielding member operative to reduce the amount of light incident on at least some of the lenses at the periphery in the sub-scanning direction and provided on a lens surface facing a light source. | 06-04-2009 |
20090147368 | Method for manufacturing wafer scale lens assembly and wafer scale lens assembly manufactured by the same - A method for manufacturing a wafer scale lens assembly, and a wafer scale lens assembly manufactured by the same are disclosed. The method includes forming a plurality of transmissive regions and a plurality of non-transmissive regions on an object-side surface or an image-side surface of each of first and second lens substrates, forming a plurality of lens elements having refractive power on at least one of the object-side surface and the image-side surface of each of the first and second lens substrates, and stacking the first and second lens substrates, with a spacer interposed between the first lens substrate and the second lens substrate. Accordingly, image quality is improved by preventing undesired light from forming an image on an image plane of an image sensor. The process time is reduced to reduce a manufacturing cost. | 06-11-2009 |
20090237801 | Method and Apparatus Providing Concave Microlenses for Semiconductor Imaging Devices - A method and apparatus providing an imaging device with a system of convex and concave microlenses at different levels over an array of photosensors. The concave microlenses redirect leaking light, which is not directed by the convex lenses onto the photosensors, onto the photosensors. | 09-24-2009 |
20090237802 | Lens array, light emitting diode head, exposure device, image forming apparatus, and image reading apparatus - A lens array includes a plurality of lens assembly members with a plurality of lenses and a light blocking member with a plurality of apertures arranged therein. The lens assembly members are arranged so that an optical axis of each of the lenses of one of the lens assembly members is aligned with an optical axis of each of the lenses of another of the lens assembly members. | 09-24-2009 |
20090262433 | LENS ARRAY OF ERECTING UNIT MAGNIFICATION SYSTEM, IMAGE READING APPARATUS AND IMAGE WRITING APPARATUS USING THE LENS ARRAY, AS WELL AS METHOD FOR MANUFACTURING THE LENS ARRAY - The conventional lens array of an erecting unit magnification system is composed of an inside lens of spherical shape and an outside lens of spherical or aspherical shape, and has a problem to be improved for the resulting MTF performance. A lens array of an erecting unit magnification system is provided by stacking a first and a second planar-shaped lens array plates. Each of the first and second planar-shaped lens array plates includes a plurality of outside lenses (L | 10-22-2009 |
20090284838 | ILLUMINATION OPTICAL SYSTEM AND IMAGE PROJECTOR USING SAME - An illumination optical system has a condenser, a first lens array, a second lens array, and a polarized beam splitting surface. The condenser and the first and second lens arrays compress light incident on the condenser. The distance between a lens cell in the first lens array and a lens cell in the second lens array is appropriately set, whereby an illuminated surface is illuminated brightly and efficiently without significant loss of light amount. | 11-19-2009 |
20090296222 | Device for Homogenizing Light - A device for homogenizing light has a first lens array provided with a number of convex lenses, and at least one second lens array disposed at a distance from the first lens array in the beam scattering direction and through which the light refracted by the first lens array can pass. The second lens array is formed with a number of first lenses that are respectively arranged at a distance from each other. At least one of the first lenses of the second lens array is associated with each convex lens of the first lens array. The convex lenses of the first lens array have a smaller curvature than the first lenses of the second lens array associated with said convex lenses. | 12-03-2009 |
20090316273 | Embedded lens for achromatic wafer-level optical module and methods of forming the same - A wafer-level optical lens module including one or more embedded lenses and two outer lenses on an outer side of two outermost glass wafers. The embedded lenses may be formed of air or of any material with desired refractive index and dispersion characteristics. The outer lenses may be formed of any material with desired refractive index and dispersion characteristics. This arrangement, with various lenses of the optical module having different refractive indices and dispersions, allows for the formation of a wafer-level optical lens system which corrects for chromatic aberration and astigmatism. | 12-24-2009 |
20100027129 | LENS ARRAY UNIT AND IMAGE READING DEVICE - A lens array unit includes a first lens array plate, a second lens array plate, and a holder. The holder includes a first surface part provided with a plurality of first through holes respectively corresponding to a plurality of first outer lenses, a second surface part provided with a plurality of second through holes respectively corresponding to a plurality of second outer lenses, and a support part operative to support the first surface part and the second surface part so as to be located at a predetermined distance from each other. The first surface part, the second surface part, and the support part are integrally formed by a light shielding material, and the first lens array plate and the second lens array plate are held by the holder by being inserted into the gap between the first surface part and the third surface part and the gap between the second surface part and the third surface part, respectively. | 02-04-2010 |
20100046081 | SYMETRICAL LENS ARRAY WITH IMPROVED DEPTH OF FIELD, ENHANCED UNIFORMITY, AND BRIGHTNESS - A symmetrical lens array comprising two identical covers, two identical lens sections, and a middle holder. Each lens section comprises a plurality of lenses disposed on the top and bottom of the lens section. The lens array is assembled with the middle holder positioned between the two lens sections. The two covers are positioned one cover on the top of the upper lens section and one cover positioned on the bottom of the lower lens section. Mating elements of the covers, lens sections, and the middle holder mate to allow the components to attach and be held together. Since each lens section is identical and each cover is identical the same lens section tooling is used for all lens sections and the same cover tooling is used for all covers. | 02-25-2010 |
20100067117 | Optical packaged body, method of manufacturing it, illuminating device, and display unit - An optical packaged body capable of preventing generation of a wrinkle, deflection, and warpage, and capable of being thinned is provided. The optical packaged body includes a support medium and a packaging film that covers the support medium in a state of being applied with shrinkage force. The packaging film has an optical function section that acts on light from a light source in at least one of a first region into which the light from the light source enters and a second region from which the light from the light source is emitted after passing through the optical packaged body when the light source is arranged on one face side of the optical packaged body. | 03-18-2010 |
20100073772 | Lens array unit, optical head and information processing apparatus - A lens array unit includes first and second lens array plates that oppose each other on opposite sides of a support member. Each of the lens array plates supports a set of lenses that are arranged in one direction and that have optical axes extending in a direction perpendicular to the one direction. The bending rigidity of the support member in the direction that the optical axes extend is higher than the bending rigidity of the first lens array plate in that direction. | 03-25-2010 |
20100085646 | ERECT EQUAL-MAGNIFICATION LENS ARRAY, SCANNING OPTICAL SYSTEM, EXPOSING OPTICAL SYSTEM AND IMAGE FORMING APPARATUS - An erect equal-magnification lens array according to the present invention includes: a first lens array plate including a first lens plate and a group of plural convex lenses arrayed on an emission surface of the first lens plate, an incident surface of the first lens plate being formed in a planar shape; a first aperture plate having plural apertures; a second lens array plate including a second lens plate and a group of plural convex lenses arrayed on both an incident surface and an emission surface of the second lens plate; a second aperture plate including plural apertures corresponding to plural projections of the plural convex lenses on the emission surface of the second lens plate; and a third lens array plate including a third lens plate and a group of plural convex lenses arrayed on an incident surface of the third lens plate. | 04-08-2010 |
20100134896 | LENS MODULE WITH ELECTROSTRICTIVE MEMBER FOR DRIVING LENES - An exemplary lens module includes a first lens, a second lens and an electrostrictive member. An optical axis of the second lens is aligned with that of the first lens. The electrostrictive member defines a through hole therein for facilitating light passing through, and is sandwiched between the first lens and the second lens. A thickness direction of the electrostrictive member is parallel to optical axes of the first lens and second lens. The electrostrictive member is capable of deforming in the thickness direction thereof when an electric current with an intensity is applied thereto, and capable of returning back to its undeformed state when the electric current is removed, whereby a space between the first and second lenses is adjusted, and at least one of the first lens and second lens is moved. | 06-03-2010 |
20100142057 | ERECTING EQUAL-MAGNIFICATION LENS ARRAY PLATE, IMAGE SENSOR UNIT, AND IMAGE READING DEVICE - An erecting equal-magnification lens array plate includes a stack of lens array plates each formed with a plurality of convex lenses on both surfaces of the plate. The plurality of convex lenses in each lens array plate are arranged such that the main lens array direction differs from the main scanning direction. A light shielding member operative to shield light not contributing to imaging is formed in the neighborhood of a position in the intermediate plane in the erecting equal-magnification lens array plate where an inverted image is formed. The light shielding member restricts a light transmitting region of each convex lens such that lens regions outside a slit opening, which is substantially parallel with the main scanning direction, are totally prevented from transmitting light. The position of the slit opening is determined with reference to the lens coordinates of the lens surface closest to the image plane. | 06-10-2010 |
20100157428 | GLASS LENS ARRAY MODULE WITH ALIGNMENT MEMBER AND MANUFACTURING METHOD THEREOF - A glass lens array module with alignment fixture and a manufacturing method thereof are revealed. A glass lens array is produced by multi-cavity glass molding and alignment members are arranged on a peripheral of non-optical area of the glass lens array. Optical axis of each of two adjacent glass lens arrays is aligned by corresponding alignment members and the glass lens arrays are assembled by glue. A spacer is disposed between the two adjacent glass lens arrays to form a preset interval if needed. Thus a glass lens array module is formed after curing of the glue. Thereby the alignment of the optical axis of the glass lens is achieved easily and optical precision is also attained. Moreover, the manufacturing processes are simplified and the cost is reduced. | 06-24-2010 |
20100157429 | Lens array, LED head, exposure device, image forming apparatus and reading apparatus - A lens array includes a plurality of lens groups each of which includes a plurality of lenses arranged in a direction perpendicular to optical axes of the lenses. The lens groups are disposed so that the lenses of the respective lens groups have aligned optical axes. A light shielding member is provided between the lens groups. The light shielding member has a plurality of apertures with substantially cylindrical shapes through which the optical axes of the respective lenses pass. The light shielding member is integrally formed so as to include a plurality of the apertures. | 06-24-2010 |
20100177401 | ERECT LIFE-SIZE LENS ARRAY - An erect life-size lens array having a deep focal depth is realized. The erect life-size lens array includes a first lens array, a second lens array and an aperture, and when a thickness of the second lens is ξ | 07-15-2010 |
20100208354 | Method for Producing Wafer Lens Assembly and Method for Producing Wafer Lens - There is provided a method for producing a wafer lens assembly capable of adhering a wafer lens and a spacer surely. The wafer lens assembly includes a first substrate including plural optical members formed of a curable resin on at least one surface, a second substrate joined to the first substrate, and a stop member arranged between the first and second substrates. The first and second substrates are adhered with an adhesive made of a photo-curable resin. The method includes an adhesive applying step of applying the adhesive made of a photo-curable resin on a joining area, a stop-member forming step, and a photo-curing step of irradiating and hardening the adhesive applied in the adhesive applying step with light after the stop-member forming step. The stop member is formed so as not to prevent the light irradiated in the photo-curing step from reaching the adhesive. | 08-19-2010 |
20100246020 | METHOD OF MANUFACTURING A LENS ASSEMBLY, AS WELL AS A CAMERA PROVIDED WITH SUCH AN ASSEMBLY - Method of manufacturing a lens assembly by means of a replication process, wherein the following steps are carried out i) introducing a first, liquid, UV curable composition ( | 09-30-2010 |
20100254016 | SYMETRICAL LENS ARRAY WITH IMPROVED DEPTH OF FIELD, ENHANCED UNIFORMITY, AND BRIGHTNESS - A symmetrical lens array comprising two identical covers, two identical lens sections, and a middle holder. Each lens section comprises a plurality of lenses disposed on the top and bottom of the lens section. The lens array is assembled with the middle holder positioned between the two lens sections. The two covers are positioned one cover on the top of the upper lens section and one cover positioned on the bottom of the lower lens section. Mating elements of the covers, lens sections, and the middle holder mate to allow the components to attach and be held together. Since each lens section is identical and each cover is identical the same lens section tooling is used for all lens sections and the same cover tooling is used for all covers. | 10-07-2010 |
20100277806 | OPTICAL DEVICE - An optical device ( | 11-04-2010 |
20100284089 | STACKED OPTICAL GLASS LENS ARRAY, STACKED LENS MODULE AND MANUFACTURING METHOD THEREOF - A stacked optical glass lens array, a stacked lens module and a manufacturing method thereof are disclosed. The stacked optical glass lens array includes at least two optical glass lens arrays whose optical axis are aligned and then stacked with each other by cement glue in glue grooves. A stacked optical glass lens element can be singularized by cutting along with the alignment notches of stacked optical glass lens array. The stacked lens module is formed by a single stacked optical glass lens element and related optical element mounted in a lens holder. Thereby the optical axis of the lenses of the stacked lens module are aligned precisely, the manufacturing processes are simplified and the production cost is reduced. | 11-11-2010 |
20100315718 | ERECTING EQUAL-MAGNIFICATION LENS ARRAY PLATE, OPTICAL SCANNING UNIT, AND IMAGE READING DEVICE - An erecting equal-magnification lens array plate includes a stack of a first lens array plate and a second lens array plate, the first lens array plate being provided with a plurality of first lenses and a plurality of second lenses, and the second lens array plate being provided with a plurality of third lenses and a plurality of fourth lenses. The erecting equal-magnification lens array plate includes a first light shielding wall provided upright to surround the first lens, a second light shielding wall provided upright to surround the fourth lens, a first aperture defined by the first light shielding wall and formed above the first lens, and a second aperture defined by the second light shielding well and formed above the fourth lens. At least one of the first aperture and the second aperture is formed such that the aperture diameter ID facing the lens is larger than the aperture diameter OD on the opposite side. | 12-16-2010 |
20110019283 | TAMPER INDICATING OPTICAL SECURITY DEVICE - A tamper indicating optical security device that operates to produce one or more synthetic images is provided. Any attempt to detach (e.g., forcibly remove) this device from an underlying base material will cause one or more layers of the security device to separate or delaminate, rending the device partially or totally inoperable. The inventive device is contemplated for use with, among other things, currency or banknotes, secure documents such as bonds, checks, travelers checks, identification cards, lottery tickets, passports, postage stamps, and stock certificates, as well as non-secure documents such as stationery items and labels. The inventive device is also contemplated for use with consumer goods as well as bags or packaging used with consumer goods. | 01-27-2011 |
20110149404 | LENS ARRAY, LIGHT EMITTING DIODE HEAD, EXPOSURE DEVICE, IMAGE FORMING APPARATUS, AND IMAGE READING APPARATUS - A lens array includes a plurality of lens assembly members with a plurality of lenses, a light blocking member with a plurality of apertures arranged therein, and a light blocking member including a plurality of apertures arranged therein. The lens assembly members are arranged so that an optical axis of each of the lenses of one of the lens assembly members is aligned with an optical axis of each of the lenses of another of the lens assembly members. Further, the lens assembly members and the light blocking member are arranged so that the following relationship is satisfied: | 06-23-2011 |
20110216419 | ERECTING AND UNITY-MAGNIFYING LENS ARRAY AND CONTACT IMAGE SENSOR - An erecting and unity-magnifying lens array includes: a first lens array plate that has a plurality of first lenses, a second lens array plate that has a plurality of second lenses, a third lens array plate that has a plurality of third lenses, a first aperture plate that has a plurality of round holes formed therein, that is disposed between the first lens array plate and the second lens array plate, and that has a first thickness; and a second aperture plate that has a plurality of round holes formed therein, that is disposed close to the exit surface of the second lens array plate, that is disposed so that vertexes of the exit surfaces of the plurality of second lenses are located inside the plurality of round holds, and that has a second thickness smaller than the first thickness. | 09-08-2011 |
20120206815 | LENS MODULE WITH ELECTROSTRICTIVE MEMBER FOR DRIVING LENES - An exemplary lens module includes a first lens array, a second lens array, an electrostrictive member and a power supply. The first lens array includes first lenses, and the second lens array includes second lenses, an optical axis of each second lens being aligned with that of the corresponding first lens. The electrostrictive member is made from an artificial muscle material spacing the first lens array and the second lens array. A thickness direction of the electrostrictive member is parallel to optical axes of the first lenses and second lenses, and the electrostrictive member is deformable along the thickness direction thereof when an electric current is applied thereon, thereby driving the first and second lens arrays to move toward or away from each other. The power supply is electrically connected to the electrostrictive member to provide the electric current to the electrostrictive member. | 08-16-2012 |
20120212829 | Method for Producing Wafer Lens Assembly and Method for Producing Wafer Lens - There is provided a method for producing a wafer lens assembly capable of adhering a wafer lens and a spacer surely. The wafer lens assembly includes a first substrate including plural optical members formed of a curable resin on at least one surface, a second substrate joined to the first substrate, and a stop member arranged between the first and second substrates. The first and second substrates are adhered with an adhesive made of a photo-curable resin. The method includes an adhesive applying step of applying the adhesive made of a photo-curable resin on a joining area, a stop-member forming step, and a photo-curing step of irradiating and hardening the adhesive applied in the adhesive applying step with light after the stop-member forming step. The stop member is formed so as not to prevent the light irradiated in the photo-curing step from reaching the adhesive. | 08-23-2012 |
20130003184 | OPTICAL ARRANGEMENTS FOR USE WITH AN ARRAY CAMERA - A variety of optical arrangements and methods of modifying or enhancing the optical characteristics and functionality of these optical arrangements are provided. The optical arrangements being specifically designed to operate with camera arrays that incorporate an imaging device that is formed of a plurality of imagers that each include a plurality of pixels. The plurality of imagers include a first imager having a first imaging characteristics and a second imager having a second imaging characteristics. The images generated by the plurality of imagers are processed to obtain an enhanced image compared to images captured by the imagers. | 01-03-2013 |
20130222918 | LENS ARRAY UNIT, ERECTING EQUAL-MAGNIFICATION LENS ARRAY, OPTICAL SCANNING UNIT, IMAGE READING DEVICE, AND IMAGE WRITING DEVICE - A first lens array unit includes a first lens array plate and a second lens array plate in which a plurality of lenses are provided in the main scanning direction, and a first light shielding member piece and a second light shielding member piece provided with a plurality of through holes corresponding to the lenses. The first lens array plate, the second lens array plate, the first light shielding member piece, and the second light shielding member piece are formed as one piece. The lens array is built by bending joints joining the lens array plates and the light shielding member pieces such that the lens is located to directly face the corresponding through hole. | 08-29-2013 |
20130279012 | SEAMLESS DISPLAY PANEL TILING USING AN OPTICAL EXPANSION LAYER - A display panel for use with a multi-panel display. The display panel includes a display panel including an array of display pixels disposed surrounded by a bezel, the array of display pixels for emitting a display image having a first size, and an optical expansion layer disposed over the array of display pixels to magnify the display image to appear to have a second size larger than the first size and to at least partially conceal the bezel surrounding the housing. The optical expansion layer includes a first array of microlenses optically coupled to the array of display pixels to cause light from the display pixels to diverge, a second array of microlenses having complementary optical power to the first array of microlenses; and an optically transparent offset layer disposed between the first and second arrays of microlenses. Other embodiments are disclosed and claimed. | 10-24-2013 |
20140029105 | Solar igloo - Using creativity and prior art, this invention creates machinery to collect sunlight for a variety of useful purposes, which (in addition to electricity-generation) include military, law enforcement, industrial, agricultural, lighting, climate control, utility, and “appliances” applications. | 01-30-2014 |
20150049390 | HYBRID OPTICS FOR NEAR-EYE DISPLAYS - A method for displaying a near-eye light field display (NELD) image is disclosed. The method comprises determining a pre-filtered image to be displayed, wherein the pre-filtered image corresponds to a target image. It further comprises displaying the pre-filtered image on a display. Subsequently, it comprises producing a near-eye light field after the pre-filtered image travels through a microlens array adjacent to the display, wherein the near-eye light field is operable to simulate a light field corresponding to the target image. Finally, it comprises altering the near-eye light field using at least one converging lens, wherein the altering allows a user to focus on the target image at an increased depth of field at an increased distance from an eye of the user and wherein the altering increases spatial resolution of said target image. | 02-19-2015 |
20150109677 | BEAM SHAPER - Described are an improved automated luminaire and luminaire systems employing a matching lenslet pair beam shaper. The beam shaper employs nesting lenslets that are articulated so that the degree of beam shaping modulation is continuously adjustable across a range of modulation. | 04-23-2015 |
20160011340 | MICROLENS COLOR SHIFT CONTROL | 01-14-2016 |
20160033688 | DOUBLE-LENS STRUCTURES AND FABRICATION METHODS THEREOF - A double-lens structure and a method for fabricating the same are provided. The double-lens structure includes a first lens structure formed of a color filter layer having a first refractive index and a second lens structure formed of a micro-lens material layer having a second refractive index and disposed on the first lens structure. The first refractive index of the color filter layer is different from the second refractive index of the micro-lens material layer. An incident light enters the second lens structure and then passes through the first lens structure. Further, a method for fabricating the double-lens structure is also provided. | 02-04-2016 |
359623000 | Cylindrical lenslets | 10 |
20090168187 | Lenticular Lens Array Element - A lens element comprising: a rear substrate having a front surface provided with a surface relief having a plurality of zones each capable of providing a lens effect; a front substrate disposed in front of the rear substrate and having a rear surface provided with a surface relief having a plurality of zones each capable of providing a lens effect, the zones of the surface reliefs provided on the rear substrate and the front substrate having the same spatial arrangement over the area of the lens element; and solid or liquid, isotropic, intermediate material disposed between the front surface of the rear substrate and the rear surface of the front substrate, the intermediate material having a refractive index different from the refractive index of each of the rear substrate and the front substrate. This construction reduces the degree of Fresnel reflection which would otherwise degrade the optical performance. | 07-02-2009 |
20100033829 | Device for Homogenizing Radiation by Means of Irregular Microlens Arrays - A device for the homogenization of radiation, preferably light, using chirped microlens arrays (cMLA) from the established regular microlens arrays (rMLA), chirped microlens arrays are an arrangement of non-identical lenses in one array. Non-identical means that the lens parameters of the lenses of the array, such as e.g. the radius of curvature, the free diameter, vertex position, and others, can vary from lens to lens or cell to cell. The parameters of each lens or cell can be determined by functions (analytically, numerically), the functions preferably being dependent upon the position of the cell or the lens in the array. | 02-11-2010 |
20110304920 | LASER IRRADIATION METHOD AND LASER IRRADIATION APPARATUS - The present invention is to provide a laser irradiation technique for irradiating the irradiation surface with the laser beam having homogeneous intensity distribution using a cylindrical lens array without being affected by the intensity distribution of the original beam. A laser beam emitted from a laser oscillator is divided by two kinds of cylindrical lens arrays into a plurality of beams, which are two kinds of linear laser beams with their energy intensity distribution inverted each other, and the two kinds of linear laser beams are superposed in a minor-axis direction. This can form the linear laser beam having homogeneous intensity distribution on the irradiation surface. | 12-15-2011 |
20140192417 | TWO-DIMENSIONAL WAVELENGTH-BEAM-COMBINING OF LASERS USING FIRST-ORDER GRATING STACK - A method and apparatus for two-dimensional wavelength beam combining of laser sources. In one example, an external cavity multi-wavelength laser includes an array of laser emitters each producing an optical beam having a specified wavelength, a grating stack comprising a plurality of first-order diffraction gratings arranged linearly in a first dimension, and a dispersive element. The laser further includes a cylindrical telescope that images the optical beams from the array of laser emitters onto the grating stack. A first cylindrical transform lens spatially overlaps the optical beams in a second dimension forming a first region of overlap at the grating stack. A second cylindrical transform lens spatially overlaps the optical beams from the grating stack in the first dimension forming a second region of overlap at the dispersive element. The dispersive element transmits a multi-wavelength output beam comprising the spatially overlapped optical beams from the array of laser emitters. | 07-10-2014 |
20160011426 | Device for Homogenizing Laser Radiation | 01-14-2016 |
359624000 | Having crossed axes | 5 |
20090161224 | Device for illuminating an area and device for applying light to a work area - Device for illuminating an area, in particular for illuminating a mask ( | 06-25-2009 |
20090213467 | DEVICE FOR SPLITTING A LIGHT BEAM - Device for splitting a light beam ( | 08-27-2009 |
20100259831 | Micro Array Lens Using Optical Fiber - An optical fiber micro array lens is provided along with an associated fabrication method. The micro array lens is fabricated from a mesh of optical fibers. The mesh includes a first plurality of cylindrical optical fibers. Each fiber from the first plurality has a flat bottom surface and a hemicylindrical top surface. The top and bottom surfaces are aligned in parallel with a central fiber axis. The mesh also includes a second plurality of cylindrical optical fibers. Each fiber from the second plurality has a hemicylindrical bottom surface overlying and in contact with the top surfaces of the first plurality of optical fibers, and a flat top surface. The top and bottom surfaces are aligned in parallel with a central fiber axis. Each contact of the first and second plurality of optical fibers forms a lens assembly in a micro array of lenses. | 10-14-2010 |
20110051252 | Projection-receiving surface - This invention presents a projection-receiving surface that has a surface having an undulating contour. The undulating contour comprises a plurality of alternating convex cylindrical surface segments and concave cylindrical surface segments. The convex cylindrical surface segments and concave cylindrical surface segments of the undulating contour of the surface arranged with cylindrical axes in a direction. The surface can further have an additional surface feature comprising striations, cusps, and/or nanoflaked reflector leaves. The striations are arranged crosswise to the undulating contour. The surface can be a reflection surface of a front projection-receiving surface. | 03-03-2011 |
20120147474 | LENS SHEET FOR MICROLENS AND LENTICULAR LENS - A lens sheet for both a microlens and a lenticular lens includes a first lenticular lens layer having semicircular convex lenses which are arranged in parallel; a refraction control adhesive layer formed under the first lenticular lens layer; a second lenticular lens layer formed under the refraction control adhesive layer and having semicircular convex lenses which are arranged in parallel; a focal distance layer formed under the second lenticular lens layer; and a three-dimensional layer formed under the focal distance layer, wherein an extension direction of the semicircular convex lenses arranged in the first lenticular lens layer and an extension direction of the semicircular convex lenses arranged in the second lenticular lens layer are crossed with each other. | 06-14-2012 |