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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 1879. Отображено 100.
02-02-2012 дата публикации

Lens forming method, lens, and camera module

Номер: US20120026595A1
Автор: Jun Sasaki
Принадлежит: Sony Corp

A lens forming method comprising the steps of: interposing an uncured resin between a lens molding plate and a flat-shaped transparent substrate that are disposed to face each other so as to keep an externally-opening distance; and performing light irradiation on the resin interposed between the lens molding plate and the transparent substrate so that curing of the resin advances from lens curved-surface parts on the lens molding plate toward a periphery thereof.

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Номер записи: 1
16-02-2012 дата публикации

Film producing system

Номер: US20120040036A1
Автор: Sei-Ping Louh
Принадлежит: Hon Hai Precision Industry Co Ltd

A film producing system for producing optical film includes a glue dispenser, a conveyor including a flexible base, a compression molding device, and a light curing device. The glue dispenser is configured for receiving glue therein and dispensing the glue onto the flexible base. The flexible base is configured for carrying the glue dispensed thereon from the glue dispenser to the compression molding device. The compression molding apparatus configured for press molding the glue dispensed on the flexible base to a predetermined shape. The flexible base is configured for carrying the shaped glue from the compression molding device to the light curing device. The light curing device is configured for curing the glue shaped by the compression molding device. The compression molding device includes a rotating pressing roller and a fixed pressing blocking configured for shaping the glue on the flexible base to the predetermined shape.

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Номер записи: 2
29-03-2012 дата публикации

Production Method of Wafer Lens, Intermediate Die, Optical Component, Molding Die, and Production Method of Molding Die

Номер: US20120075709A1
Автор: Akira Sato, Shigeru Hosoe, Toshiyuki Imai, Tougo Teramoto, Yuiti Fujii
Принадлежит: Konica Minolta Opto Inc

Provided are a wafer lens production method, an intermediate die, an optical component, a molding die, and a molding die production method. The production method of a wafer lens ( 1 ) includes a first intermediate die production step using a die ( 7 ), a second intermediate die production step using the first intermediate die ( 8 ), and a wafer lens production step using the second intermediate die ( 9 ). A first intermediate-die substrate ( 80 ) is provided with a depressed section ( 85 ) on the surface facing the die ( 7 ). When photo-curable resin ( 84 A) is pressed, at least a portion closer to the first intermediate-die substrate ( 80 ) among the top ( 71 a ) and the peripheral section ( 77 ) of the die ( 7 ) is arranged in the depressed section ( 85 ), and a gap is provided so that the die ( 7 ) does not contact with a depressed plane ( 85 a ) of the depressed section ( 85 ).

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Номер записи: 3
06-09-2012 дата публикации

Optical sheet, surface light source device and transmission-type display device

Номер: US20120224380A1
Автор: Akiko Tomita, Akinobu Ushiyama, Hiroshi Kojima, Kazuki Tanaka, Kazuo Matsufuji, Mitsuhiro Hamashima, Satoshi Goishihara, Takayuki Shimada
Принадлежит: DAI NIPPON PRINTING CO LTD

An optical sheet having both of an excellent light condensing function and an excellent scratch resistance is provided. An optical sheet ( 40 ) includes: a sheet-like main body ( 45 ); at least three or more first unit shaped elements ( 50 ) arranged on one surface ( 46 ) of the main body; and second unit shaped elements ( 55 ) arranged on the one surface of the main body. Each of the second unit shaped elements extend in parallel with in one direction on a sheet surface of the main body. A height H1 of each of the first unit shaped elements from the one surface is higher than a height H2 of each of the second unit shaped elements. A rate of an area occupied by the first unit shaped elements on the one surface is not more than 10.0%, when observed along a normal direction nd relative to the one surface.

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Номер записи: 4
13-09-2012 дата публикации

Recessed optical surfaces

Номер: US20120229908A1
Автор: David Keller, David Ovrutsky, Gregory J. Kintz, James E. Morris, Jeremy Huddleston, Mark Hiatt, Michael R. Feldman, Paul Elliott, W. Hudson Welch
Принадлежит: DigitalOptics Corp East

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.

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Номер записи: 5
14-02-2013 дата публикации

Method for producing imaging lens

Номер: US20130037054A1
Автор: Nobuhiro Saruya
Принадлежит: Konica Minolta Advanced Layers Inc

Disclosed is a method for producing an imaging lens in which a plurality of layers including one or more wafer lenses each provided with a lens portion that is formed from a curable resin are laminated on at least one surface of a substrate. The method for producing an imaging lens comprises, before lamination of the plurality of layers including the wafer lenses, a first lens portion cleaning step wherein carbon dioxide cleaning of the lens portions is carried out by spouting carbon dioxide so as to form dry ice particles and by causing the dry ice particles to hit on the lens portions of the wafer lenses or the vicinities of the lens portions. Consequently, deterioration of optical performance, changes in optical performance due to moisture absorption, and separation of the resin from the substrate can be prevented.

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Номер записи: 6
14-02-2013 дата публикации

Lens Array Production Method and Laminated Lens Array Production Method

Номер: US20130037976A1
Автор: Masashi Saito, Takaichi Hayashida
Принадлежит: Individual

A method of manufacturing a lens array includes the steps of feeding a first curable resin between a first array mold and a plate member and curing the first resin; separating the plate member from the first array mold; feeding a second curable resin between the first array mold and a second array mold while leaving the cured first resin on the first array mold, and curing the second resin; and removing the first array mold and the second array mold.

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Номер записи: 7
16-05-2013 дата публикации

Wafer lens member producing method, image pickup lens producing method, image pickup module producing method, and image pickup module-installed electronic device producing method

Номер: US20130118685A1
Автор: Akiko Hara
Принадлежит: Konica Minolta Advanced Layers Inc

A wafer lens member producing method includes post-curing lens portions made of a light-curing resin formed on at least one face of a substrate so as to promote curing of the light-curing resin. The post-curing includes first post-curing and second post-curing. The first post-curing performs heating at a first post-curing temperature, which is a glass transition temperature of the light-curing resin to the glass transition temperature+100° C., for 30 minutes to two hours. The second post-curing performs heating at a second post-curing temperature, which is lower than the glass transition temperature, and lower than the first post-curing temperature by 25° C. or more, for three hours to six hours.

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Номер записи: 8
18-07-2013 дата публикации

APPARATUS AND PROCESS FOR PRODUCING PLANO-CONVEX SILICONE-ON-GLASS LENS ARRAYS

Номер: US20130182333A1
Автор: Bukovnik Rudolph, Kneeburg David, Mark Jimmy, MEITL Matthew, Menard Etienne, Wagner Wolfgang
Принадлежит:

Coating a machined mold with a flowable, hardenable polymer coating produces an optically-smooth finish and maintains sharpness in upward-pointing features. These procedures produce molds for highly efficient plano-convex silicone-on-glass lens arrays in a fast and inexpensive manner in which an end-mill defines the shape of a lens, and the coating produces its smoothness. End-mill machining and coating lens-shaped features in plates that have movable pins produce molds with eject features disposed inside features that form templates for lens elements without significantly reducing optical performance. Additionally, machining and coating plates that have movable inserts produce molds for lens arrays with reduced volume and one or several rings in each lens element. 1. A method of fabricating a lens array , comprising:forming a mold having a densely-packed array of concave-shaped recesses that have a curvature according to a desired lens profile and cusped ridges between adjacent recesses;coating the mold with a liquid coating material configured to reduce a surface roughness of the concave-shaped recesses and configured to conform to a shape of the cusped ridges;hardening the liquid coating material on the mold with a force of gravity pointing opposite the cusped ridges; thenproviding a layer of optically transparent silicone in the array of concave-shaped recesses to thereby define an array of plano-convex lenses; andremoving the array of plano-convex lenses from the mold.216.-. (canceled)17. A plano-convex lens array , comprising:an optically transparent silicone layer defining a two-dimensional array of convex lenses, wherein respective boundaries of adjacent ones of the convex lenses are separated by about 20 microns or less.18. The lens array of claim 17 , wherein the respective boundaries of the adjacent ones of the convex lenses are separated by less than about 12.5 microns.19. The lens array of claim 17 , wherein each of the convex lenses further comprises ...

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Номер записи: 9
29-08-2013 дата публикации

Wafer lens manufacturing method

Номер: US20130221549A1
Автор: Kouichi Eguro, Nobuhiro Saruya
Принадлежит: KONICA MINOLTA INC

Since a second molding surface 103 a is separated from the second mold 42 before a first molding surface 102 a is completely separated from the first mold 41, in a state difficult to take the unbalanced force, the separating force is applied at the same time on the first and the second molding surfaces 102 a and 103 a of the substrate 101, it is possible to prevent damage to the substrate 101 at the time of mold release even if the substrate 101 is comparatively thin. Since the mold release is performed with unseparated portions remaining on each of the first and the second molding surfaces 102 a and 103 a , it is unnecessary to separately provide a step of protecting a first and a second optical surfaces 11 d and 12 d on the opposite side during the mold release, whereby a precise wafer lens 100 can be produced simply and efficiently.

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Номер записи: 10
26-09-2013 дата публикации

Microlens sheet and manufacturing method thereof

Номер: US20130250426A1
Автор: Jiro Hattori, Satoshi Akutagawa, Shoichi Masuda, Yasuhiro Kinoshita
Принадлежит: 3M Innovative Properties Co

A microlens sheet that can be used as a floating image material is provided having a microlens array layer that can be produced by a more simple replication process, without requiring adjustment of the thickness. The microlens sheet has high scratch resistance and dust resistance. The microlens sheet has a microlens array layer including a first surface, and a second surface formed by replication, having a plurality of arranged convex lenses and one or more partition walls with a fixed height (Hw) that protrudes past the top of the convex lenses, a radiation sensitive layer which is disposed substantially at a focal position of the convex lenses on a side of the microlens array layer opposite the first surface, and which is substantially parallel to the second surface.

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Номер записи: 11
17-10-2013 дата публикации

Lens Plate For Wafer-Level Camera And Method Of Manufacturing Same

Номер: US20130271826A1
Автор: Leah Widmer
Принадлежит: Omnivision Technologies Inc

A lens plate includes a transparent substrate wafer, and a plurality of lenses and spacers that are formed of a single portion of material on the transparent substrate wafer. An assembly includes a first lens plate that includes a first transparent substrate wafer, a plurality of first lenses and a plurality of spacers, the first lenses and spacers being formed of a single portion of material on said first transparent substrate wafer. The assembly also includes a second lens plate that includes a second transparent substrate wafer and a plurality of second lenses formed thereon, each of the plurality of second lenses corresponding to a respective one of the plurality of first lenses. The lens plates are aligned such that each of the plurality of first lenses aligns with the respective one of the plurality of second lenses, and the lens plates are bonded to one another.

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Номер записи: 12
26-12-2013 дата публикации

High-resolution imaging system

Номер: US20130342755A1
Автор: Christian Chomont, Francoise Cau, Michel Pealat, Vincent Duriaud
Принадлежит: Sagem Defense Securite SA

The invention relates to a high-resolution imaging system for recording images of the same scene, that are sampled in a complementary manner. To this end, an image filter ( 2 ) is arranged in an intermediate focusing plane (P 1 ), and a matrix ( 3 ) of microlenses is arranged at a distance from the image filter, with each microlens that is associated with an opening (O 2 ) of the image filter. An image detection matrix ( 9 ) is then optically conjugated with the microlens matrix. The system also comprises a device for moving an intermediate image in relation to the image filter ( 2 ). Such an imaging system is especially suitable for recording high-resolution infrared images.

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Номер записи: 13
07-01-2021 дата публикации

MOLD-RELEASE METHOD FOR MOLDED ARTICLE, AND MOLD-RELEASE DEVICE

Номер: US20210001538A1
Автор: FUJIKAWA Takeshi, FUKUI Sadayuki
Принадлежит: Daicel Corporation

An object of the present invention is to provide a mold-release method and a mold-release device that enable removal of a high-precision molded article from a mold. The present invention provides a mold-release method for a molded article () from a mold () and a mold-release device for carrying out the mold-release method, the molded article () being formed by curing a curable material supplied to a molding surface (A) of the mold (), and having a first surface (A) onto which a patterned shape of the molding surface (A) is transferred and a second surface (B) on a back side opposite to the first surface, the method including: 1: attaching a base material () onto the entire second surface (B) of the molded article (); and 1. A mold-release method for a molded article from a mold ,the molded article being formed by curing a curable material supplied to a molding surface of the mold, and having a first surface onto which a patterned shape of the molding surface is transferred and a second surface on a back side opposite to the first surface,the method comprising:(1a) attaching a base material onto the entire second surface of the molded article; and(2a) relatively moving the base material and the mold in a direction in which the base material and the mold are separated from each other, and thereby releasing the molded article from the mold.2. The method according to claim 1 , wherein the molded article is an array in which two or more optical elements are arranged two-dimensionally on the first surface and the array has a substrate part that joins the optical elements together.3. The method according to claim 1 , wherein at least a planar part onto which the base material is attachable is present on the second surface.4. The method according to claim 1 , wherein the base material is a resin sheet.5. The method according to claim 4 , wherein the resin sheet has an adhesive layer on one surface.6. The method according to claim 1 , further comprising:(3a) peeling the base ...

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Номер записи: 14
01-01-2015 дата публикации

LENTICULAR SHEET FOR CREATING AN OPTICAL STEREO EFFECT OF AN IMAGE CODED IN A DECORATIVE PANEL AND A METHOD OF CARRYING OUT THE SAME

Номер: US20150002932A1
Автор: Bityutskyy Denys, Karlov Andrii, Kulniev Roman, Viunskovskyi Ievegen
Принадлежит:

Invention relates to lenticular sheets made of thermally or chemically hardened mineral glass used for decorative panels, to create three-dimensional visual effects combined with an encoded image. One of the advantages of invention is the fact that it is a proposed mineral lenticular sheet, which underwent chemical or mechanical hardening of its outer parts This increases the mechanical strength and impact resistance. This aspect makes it safer for use under the influence of external factors and in contact with a person. This allows for applying the invention in large scopes in comparison with plastic lenticular screens. Pre-stressing is achieved by thermal or chemical hardening. 1464. A lenticular sheet () for creating in a decorative panel an optical stereo effect of an image () coded therein , including a transparent flat surface on one side and a plurality of cylindrical lenses arranged parallel to each other on the other side wherein the lenticular sheet () is made of mineral glass.24. The lenticular sheet according to claim 1 , wherein the mineral lenticular sheet () is finished by thermal or chemical hardening.441. A method of producing mineral lenticular sheet () according to claim () claim 1 , comprising the following steps:{'b': '100', 'a) glass melting ()'}{'b': 4', '104', '104', '4, 'b) forming a sheet () by rolling () of the melted glass () between two shafts, wherein one of the shafts has a flat surface, while another has negative forms of lenses, thus forming a plurality of cylindrical lenses arranged in parallel to each other on the other side of the sheet ().'}c) primary cutting subject to proportions of the decorative panel used therein.34. The method according to wherein further chemical or thermal hardening is provided after step (b) depending on the required thinkness of the sheet ().4. The method according to wherein for the sheet having thinkness less than 3 mm a chemical hardening is provided preferably by immersing the sheet in a bath ...

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Номер записи: 15
03-01-2019 дата публикации

PHOTODETECTOR FOCAL PLANE ARRAY SYSTEMS AND METHODS BASED ON MICROCOMPONENTS WITH ARBITRARY SHAPES

Номер: US20190004212A1
Автор: ASTRATOV Vasily N., BRETTIN Aaron, LIMBEROPOULOS Nicholaos I., URBAS Augustine
Принадлежит:

A photodetector focal plane array system having enhanced sensitivity and angle-of-view, including: a substrate including a plurality of photosensitive regions; and a microcomponent disposed adjacent to each of the plurality of photosensitive regions operable for receiving incident radiation from a relatively wider area and directing the incident radiation into a relatively smaller area of the associated photosensitive region by, in part, one or more of waveguiding and scattering; wherein each of the microcomponents is centered with respect to a photodetector mesa of each of the plurality of photosensitive regions. Each of the microcomponents includes one of a microcone, a microcuboid, a micropillar, a core-shell micropillar, a microtubule, a pyramid, an inverted pyramid, and an arbitrary shape microcomponent—with a top surface having a a selected or arbitrary cross-sectional shape and a selected or arbitrary profile. 1. A photodetector focal plane array system having enhanced sensitivity and angle-of-view (AOV) , comprising:a substrate comprising a plurality of photosensitive regions; anda microcomponent disposed adjacent to each of the plurality of photosensitive regions operable for receiving incident radiation from a relatively wider area and directing the incident radiation into a relatively smaller area of the associated photosensitive region by, in part, one or more of waveguiding and scattering;wherein each of the microcomponents is centered with respect to a photodetector mesa of each of the plurality of photosensitive regions.2. The photodetector focal plane array system of claim 1 , wherein the plurality of photosensitive regions are disposed in a photosensitive layer of the substrate.3. The photodetector focal plane array system of claim 1 , wherein each of the microcomponents comprises one of a microcone claim 1 , a microcuboid claim 1 , a micropillar claim 1 , a core-shell micropillar claim 1 , a microtubule claim 1 , a pyramid claim 1 , an inverted ...

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Номер записи: 16
12-01-2017 дата публикации

FABRICATION OF OPTICAL ELEMENTS AND MODULES INCORPORATING THE SAME

Номер: US20170010450A1
Автор: Gubser Simon, Karpuz Hakan
Принадлежит: HEPTAGON MICRO OPTICS PTE. LTD.

Fabricating a wafer-scale spacer/optics structure includes replicating optical replication elements and spacer replication sections directly onto an optics wafer (or other wafer) using a single replication tool. The replicated optical elements and spacer elements can be composed of the same or different materials. 114-. (canceled)15. An opto-electronic module comprising:an opto-electronic device mounted on a substrate;an optics member over the opto-electronic device;a replicated spacer member on a surface of the optics member, wherein the replicated spacer member separates the substrate and opto-electronic device from the optics member; anda replicated optical element on the surface of the optics member, the replicated optical element being substantially aligned with opto-electronic device,wherein the replicated optical element is composed of a first cured material and the replicated spacer member is composed of a second different cured material, andwherein some of the first cured material of the replicated optical element is in direct contact with second cured material of the replicated spacer member.16. The opto-electronic module of wherein the first cured material of the replicated optical element abuts a side surface of the second cured material of the replicated spacer member.17. The opto-electronic module of wherein the first cured material of the replicated optical element is present along at least part of an interface between the replicated spacer member and the optics member.18. The opto-electronic module of wherein the replicated optical elements includes a lens structure and wherein the replicated spacer member is substantially non-transparent. This disclosure relates to the fabrication of optical elements, and to devices incorporating such optical elements.Integrated optical devices are used in a wide range of applications, including, for example, camera devices, optics for camera devices and collimating optics for flash lights, such as those used in ...

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Номер записи: 17
10-01-2019 дата публикации

METHOD FOR FABRICATING HIGH SAG LENS ARRAY AND HIGH SAG LENS ARRAY

Номер: US20190011608A1
Автор: Hsu Shu-Hao, Huang Teng-Te, Lai Jen-Hui
Принадлежит:

The present invention provides a method for fabricating a high sag lens array a high sag lens array fabricated by a semiconductor process. The method comprises: individually jetting an optical glue material into a plurality of lens mold cavities of a mold to form a plurality of lens parts independently; exposing the lens parts to harden the optical glue material in the lens mold cavities; jetting an optical glue layer on the lens parts; forming a transparent substrate on the optical glue layer; exposing the optical glue layer to harden the optical glue layer and combine the transparent substrate, the optical glue layer, and the lens parts; and removing the mold to form the high sag lens array. 1. A method for fabricating a high sag lens array , comprising:individually jetting an optical glue material into a plurality of lens mold cavities of a mold to form a plurality of lens parts independently;exposing the lens parts to harden the optical glue material in the lens mold cavities;jetting an optical glue layer on the lens parts;forming a transparent substrate on the optical glue layer;exposing the optical glue layer to harden the optical glue layer and combine the transparent substrate, the optical glue layer, and the lens parts; andremoving the mold to form the high sag lens array.2. The method of claim 1 , wherein the lens mold cavities have a depth of over 300 micrometers.3. The method of claim 1 , wherein the optical glue material is an ultraviolet (UV) glue material.4. The method of claim 1 , wherein the optical glue layer comprises a UV glue material.5. The method of claim 1 , wherein the transparent substrate is a glass substrate.6. A high sag lens array claim 1 , comprising:a transparent substrate;an optical glue layer, formed on the glass substrate; anda plurality of lenses, formed on the optical glue layer, having a height of over 300 micrometers.7. The high sag lens array of claim 6 , wherein the optical glue layer comprises a UV glue material.8. The high ...

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Номер записи: 18
10-01-2019 дата публикации

OPTICAL ELEMENTS WITH TOROIDAL ENGAGEMENT INTERFACES AND METHOD FOR ASSEMBLING SUCH ELEMENTS

Номер: US20190011609A1
Автор: LAMONTAGNE Frédéric
Принадлежит:

Optical assemblies include optical elements aligned through the engagement of toroidal protrusions and toroidal grooves. A plurality of optical elements each having an inner portion having and a surrounding outer portion form a stack. Pairs of contiguous optical elements along the stack engage each other at an engagement interface including a toroidal protrusion on the outer portion of one optical element and a toroidal groove on the outer portion of the other optical element. The toroidal protrusions and groove have a symmetry of revolution about an optical axis of the inner portion of the corresponding optical element, with toroidal protrusions and toroidal grooves engaging each other having a same radius of revolution. Similar toroidal engagement of an optical element is with an annular support. 1. An optical assembly , comprising: a toroidal protrusion extending along the outer portion of one of the contiguous optical elements of said pair, the toroidal protrusion having a symmetry of revolution about the optical axis of the inner portion of the corresponding optical element; and', 'a toroidal groove extending in the outer portion of the other one of the contiguous optical elements of said pair, the toroidal groove having a symmetry of revolution about the optical axis of the inner portion of the corresponding optical element;, 'a plurality of optical elements, each optical element comprising an inner portion having an optical axis and an outer portion surrounding the inner portion, said optical elements forming a stack, the optical axes of the inner portions of said optical elements being aligned along said stack, at least one pair of contiguous optical elements along said stack engaging each other at an engagement interface, the engagement interface comprisingwherein the toroidal protrusion and the toroidal groove have a same radius of revolution and engage each other.2. The optical assembly according to claim 1 , wherein each optical element is one of a lens ...

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Номер записи: 19
24-01-2019 дата публикации

OPTICAL LENS, OPTICAL SYSTEM AND METHOD OF MANUFACTURING OPTICAL LENS

Номер: US20190025472A1
Автор: Chen Yen-An, Cheng Yen-Fang
Принадлежит: HTC CORPORATION

An optical lens adapted to be disposed on a transmission path of a light beam is provided. The optical lens includes a plurality of lenticular lens units extending along the same direction, and the lenticular lens units are disposed side by side along a direction perpendicular to the extension direction thereof, wherein each of the lenticular lens units has a height relative to a bottom surface of the optical lens, adjacent two of the lenticular lens units have a height difference D therebetween, and the optical lens satisfies 2. The optical lens of claim 1 , wherein the lenticular lens units comprise a plurality of first lenticular lens units and a plurality of second lenticular lens units claim 1 , the first lenticular lens units and the second lenticular lens units are alternately arranged claim 1 , the first lenticular lens units have a same first height and the second lenticular lens units have a same second height.3. The optical lens of claim 1 , wherein the lenticular lens units comprise a plurality of first lenticular lens units and a plurality of second lenticular lens units claim 1 , the first lenticular lens units and the second lenticular lens units are alternately arranged claim 1 , the first lenticular lens units have a same first height and the second lenticular lens units have different heights from each other.4. The optical lens of claim 1 , wherein each of the lenticular lens units has a curved surface opposing the bottom surface claim 1 , and the curved surfaces have the same curvature.5. The optical lens of claim 1 , wherein each of the lenticular lens units has a curved surface opposing the bottom surface claim 1 , and the curved surfaces have different curvatures.7. The optical system of claim 6 , wherein the lenticular lens units of the optical lens comprise a plurality of first lenticular lens units and a plurality of second lenticular lens units claim 6 , the first lenticular lens units and the second lenticular lens units are alternately ...

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Номер записи: 20
17-02-2022 дата публикации

MICROLENS ARRAY HAVING RANDOM PATTERNS AND METHOD FOR MANUFACTURING SAME

Номер: US20220050229A1
Автор: KANG YOUNG GYU, LEE Jun Youb, SEO Jeong Hwa
Принадлежит: Namuga Co., Ltd.

An embodiment of the present disclosure may provide a microlens array including: an optical substrate configured to define multiple cells; and multiple microlenses distributed on the optical substrate and having angle profiles or tilting profiles, wherein angle profiles of the multiple cells are defined based on the shapes of edges of the cells, and tilting profiles of the multiple cells are defined based on the tilts of the microlenses or the tilt of the optical substrate. 1. A microlens array comprising:an optical substrate configured to define multiple cells; andmultiple microlenses distributed on the optical substrate and having angle profiles or tilting profiles,wherein angle profiles of the multiple cells are defined based on shapes of edges of the cells and tilting profiles of the multiple cells are defined based on tilts of the microlenses or a tilt of the optical substrate.2. The microlens array of claim 1 , wherein each of the microlenses is defined by a shape profile determining a surface shape of the microlens claim 1 , a size profile determining a size of the microlens claim 1 , or a pattern profile determining a pattern of the microlens.3. The microlens array of claim 2 , wherein the angle profiles or the tilting profiles of the multiple cells are configured to give shape to a light beam in response to an intensity profile of light reaching a subject.4. The microlens array of claim 3 , wherein the microlens array is divided into multiple regions corresponding to multiple light sources included in a distance measurement device and an angle profile or a tilting profile is defined for each of the regions.5. The microlens array of claim 4 , further comprising at least one auxiliary lens between the multiple cells.6. The microlens array of claim 4 , further comprising at least one collimator lens.7. The microlens array of claim 1 , further comprising micro-protrusions on a surface of each of the microlenses.8. The microlens array of claim 1 , wherein at ...

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Номер записи: 21
01-05-2014 дата публикации

Compound-Eye Unit

Номер: US20140118834A1
Автор: INOUE Naoyuki, Kawasaki Takashi, YAMAGUCHI Susumu
Принадлежит:

A highly accurate compound-eye unit is provided, which can assemble a compound-eye lens member to a lens holder with high positional accuracy even when using the compound-eye lens member that is unsatisfactory in dimensional accuracy of an external shape. A highly accurate compound-eye unit is provided, which can assemble a light shielding member having a plurality of apertures with high positional accuracy. A distance W between centers of apertures AP, AP is smaller than a distance W between optical axes of convex lens units PL, PL, and hence, as illustrated in FIG. , when a lens member IM is made to approach a lens holder LH along an optical-axis direction, optical surfaces or external portions of peripheral surfaces of convex lens units PL, PL abut on edge portions of the apertures AP, AP at two points P, Q, and a flat surface FP abuts on an abutting portion CT. At this time, the flat surface FP abuts on the abutting portion CT, whereby the lens member IM and the lens holder LH are positioned in the optical-axis direction. On the other hand, the optical surfaces or the peripheral surfaces of the convex lens units PL, PL abut on the apertures AP, AP, thereby attaining the positioning in an optical-axis orthogonal direction and the positioning around a Z-axis. 1. A compound-eye unit comprising:a lens member being molded by die assemblies and formed with a plurality of lens units in a predetermined positional relationship; anda lens holder being provided with a plurality of apertures corresponding to the lens units,wherein a surface of the lens member including the plurality of lens units molded by the die assemblies is set as a reference surface of the lens member that specifies at least one of an optical-axis direction relative position, an optical-axis orthogonal direction relative position and a rotating direction relative position between the lens member and the lens holder.2. The compound-eye unit according to claim 1 , wherein curved surfaces of the two of ...

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Номер записи: 22
06-02-2020 дата публикации

OPTICAL DEVICE THAT PRODUCES FLICKER-LIKE OPTICAL EFFECTS

Номер: US20200039277A1
Автор: Cape Samuel M., Gosnell Jonathan D., Jordan Gregory R., Palm Scott K.
Принадлежит:

An optical device that produces flicker-like optical effects is provided. The inventive device employs directionally cured image icons. Specifically, the optical device is made up of at least one arrangement of image icons formed from one or more cured pigmented materials, and at least one arrangement of optionally embedded focusing elements positioned to form one or more synthetic images of at least a portion of the arrangement(s) of image icons. Some or all of the pigmented material(s) is cured using collimated light directed through the focusing elements toward the arrangement(s) of image icons at one or more angles relative to a surface of the optical device to form directionally cured image icons. The synthetic image(s) of the directionally cured image icons is viewable at the cure angle(s) and therefore visually appears and disappears, or turns on and off, as the viewing angle of the device moves through the cure angle(s). 1 a radiation curable resin,', 'at least one arrangement of directionally cured image icons, each directionally cured image icon of the at least one arrangement of directionally cured image icons comprising a region of one or more directionally cured pigmented materials disposed in or on the radiation curable resin, the region of one or more directionally cured pigmented material formed as one or more of a void or post formed in the radiation curable resin; and', 'at least one arrangement of focusing elements positioned relative to the at least one arrangement of directionally cured image icons to form one or more synthetic images of at least a portion of the at least one arrangement of directionally cured image icons,, 'an icon layer comprisingwherein some or all of the one or more directionally cured pigmented materials are directionally cured based on a direction of a collimated light directed through focusing elements of the at least one arrangement of focusing elements at one or more collimated light cure angles,wherein the one or more ...

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Номер записи: 23
19-02-2015 дата публикации

AUTOMATED PRODUCTION OF CONCENTRATOR LENS PANELS

Номер: US20150048531A1
Автор: Annen Hans Philipp, Leutz Ralf
Принадлежит:

The present invention lies in the field of the industrial manufacturing of cast parts and relates to an apparatus and method for the automated production of parts of this type having very fine surface structures, particularly concentrator lens panels, which contain at least one, preferably annular, stepped region as per Fresnel lenses. Handling during the production of the lens panels is difficult, inter alia, because after the curing operation, on account of relatively large adhesion forces or cohesion forces, the mould is removable in a precisely reproducible manner from the product or from the system only with difficulty. It is the object of the present invention to provide a method and an apparatus for the automated production of concentrator lens panels. This is achieved in that a die containing an upper plate () and a lower plate () initially holds the mould () in a precisely defined manner on the upper plate, and the deformable material mass () lying on a glass or plastics plate () rests in a precisely positioned manner on the lower plate, and then the upper and lower plates are moved together leaving an intermediate space which is evacuated, and the entire sandwich packet is then joined together, kept in a pressed manner and heated until the material is firm. Specially designed securing means () then ensure that the sandwich packet can be undone in a reproducible manner and the mould () can be separated from the product () in a defined manner. 19. A method for the production of a panel representing a workplace , preferably a concentrator lens panel () , having at least one stepped region , preferably an annular stepped region , in accordance with Fresnel lenses ,characterized by the following steps:{'b': 1', '2', '5, 'a) loading a lower plate () of a production tool, preferably a glass plate () or silicone plate lying on the lower plate, with deformable material, preferably lens material, wherein unintended flowing off of the material is prevented by ...

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Номер записи: 24
18-02-2016 дата публикации

Systems and Methods for Machining Materials

Номер: US20160047949A1
Автор: Brocato Brett, Keller David
Принадлежит:

Embodiments of systems, methods, and computer-readable media for machining materials are disclosed. For example, one embodiment of the present invention includes a method for machining a feature on a work piece along a curving tool path having the steps of controlling a relative translational movement between a tool table and the work piece along the curving tool path and controlling a corresponding angle of rotation of the tool table with respect to the work piece to maintain a substantially constant angle between the tool table and the corresponding relative translational movement between the tool table and the work piece along the curving tool path. In another embodiment, a computer-readable media includes code for a carrying out such a method. 1. A work piece comprising:a feature scribed while varying an angle of rotation of a tool table with respect to the work piece to maintain a substantially constant angle between the tool table and a corresponding relative translational movement between the tool table and the work piece along a curving tool path.2. The work piece of claim 1 , wherein the substantially constant angle comprises a perpendicular relationship.3. The work piece of claim 1 , wherein the feature was scribed while varying a dynamic feed rate of the tool table with respect to the work piece along the curving tool path to substantially maintain a target centripetal acceleration of the tool table with respect to the work piece.4. A replication master for use in the production of an array of lenses comprising:a surface comprising a plurality of features thereon, wherein at least one of the plurality of features was scribed while varying an angle of rotation of a tool table with respect to the replication master to maintain a substantially constant angle between the tool table and a corresponding relative translational movement between the tool table and the replication master along a curving tool path.5. The replication master of claim 4 , wherein the ...

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Номер записи: 25
08-05-2014 дата публикации

Digital cameras with direct luminance and chrominance detection

Номер: US20140125837A1
Автор: Darryl L. Sato, James Gates, Richard Ian Olsen
Принадлежит: Protarius Filo AG LLC

Digital camera systems and methods are described that provide a color digital camera with direct luminance detection. The luminance signals are obtained directly from a broadband image sensor channel without interpolation of RGB data. The chrominance signals are obtained from one or more additional image sensor channels comprising red and/or blue color band detection capability. The red and blue signals are directly combined with the luminance image sensor channel signals. The digital camera generates and outputs an image in YCrCb color space by directly combining outputs of the broadband, red and blue sensors.

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Номер записи: 26
25-02-2021 дата публикации

MOLD FOR MOLDING WAFER LENS

Номер: US20210053305A1
Автор: Holme Niels Christian Roemer, Nielsen Peter Krohne, Pan Zhengmin Banjamin, Zhu Bingke
Принадлежит:

Provided is a mold for molding a wafer lens, including an upper mold and a lower mold. The upper mold includes a first molding surface. The first molding surface includes first molding portions. The first molding portion includes a first recessed portion formed by recessing from the first molding surface. The lower mold matches the upper mold. The lower mold includes a second molding surface right facing the first molding surface. The second molding surface includes second molding portions. The second molding portion includes a first protrusion portion protruding from the second molding surface towards the first molding surface. The first molding portions and the second molding portions are disposed in one-to-one correspondence. The first molding portion further includes a second recessed portion formed by recessing from the first molding surface towards a direction facing away from the lower mold. The second recessed portion surrounds the first recessed portion. 1. A mold for molding a wafer lens , comprising:an upper mold comprising a first molding surface, the first molding surface comprising a plurality of first molding portions, and each of the plurality of first molding portions comprising a first recessed portion formed by recessing from the first molding face; anda lower mold matching the upper mold, the lower mold comprising a second molding surface right facing the first molding surface, the second molding surface comprising a plurality of second molding portions, and each of the plurality of second molding portions comprising a first protrusion portion protruding from the second molding surface towards the first molding surface,wherein the plurality of first molding portions and the plurality of second molding portions are disposed in one-to-one correspondence,wherein each of the plurality of first molding portions further comprises a second recessed portion formed by recessing from the first molding surface towards a direction facing away from the lower ...

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Номер записи: 27
25-02-2021 дата публикации

MOLD FOR MOLDING WAFER-LEVEL LENS AND METHOD FOR MOLDING WAFER-LEVEL LENS

Номер: US20210053860A1
Автор: Holme Niels Christian Roemer, Nielsen Peter Krohne, Pan Zhengmin Banjamin, Zhu Bingke
Принадлежит:

Provided is a mold, including: a lower mold matching and molding a convex surface, and an upper mold corresponding to the lower mold. The lower mold includes a first lens molding surface right facing the upper mold. A molding cavity is formed between the first lens molding surface and the upper mold. The first lens molding surface recesses towards a direction facing away from the upper mold to form recessed portions and grooves surrounding the recessed portions. The groove is in communication with the recessed portion. Two adjacent grooves are in communication with each other. An exhaust passage is formed in the first lens molding surface. The exhaust passage communicates with the grooves and extends to an outer edge of the lower mold. In a process of molding the lens, air in the recessed portion is discharged to an outside of the mold through the groove and the exhaust passage. 1. A mold for molding a wafer-level lens , the lens having a convex surface on at least one side , wherein the mold comprises:a lower mold correspondingly matching and molding the convex surface; andan upper mold corresponding to the lower mold,wherein the lower mold comprises a first lens molding surface right facing the upper mold, and a molding cavity is formed between the first lens molding surface and the upper mold;the first lens molding surface recesses towards a direction facing away from the upper mold to form a plurality of recessed portions and a plurality of grooves surrounding the plurality of recessed portions, each of the plurality of grooves is in communication with a corresponding one of the plurality of recessed portions, and two adjacent grooves of the plurality of grooves are in communication with each other;an exhaust passage is formed in the first lens molding surface, and the exhaust passage communicates with the plurality of grooves and extends to an outer edge of the lower mold; andin a process of molding the lens, air in each of the plurality of recessed portions is ...

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Номер записи: 28
22-02-2018 дата публикации

PARTICLES HAVING A PLURALITY OF OPTICAL STRUCTURES

Номер: US20180052258A1
Автор: Liles Timothy K., Miller Todd W.
Принадлежит: Nike, Inc.

An article has optical structures disposed on a base material element. The optical structures include lenticular lens structures and discrete coloring elements having distinct color regions. The lenticular lens structure has several lens layers. The lenticular lens structure may have any of a variety of cross-sectional shapes. The article has a different appearance when an observer views the article at various angles. The appearance may differ in terms of coloring scheme. 1. A wearable article comprising:a base material; and a discrete coloring element, wherein the discrete coloring element has a first side disposed against the base material and a second side disposed opposite of the first side, and wherein the second side of the discrete coloring element includes at least two regions having different coloring relative to each other; and', 'a lenticular lens structure, wherein a bottom surface of the lenticular lens structure is disposed against the second side of the discrete coloring element and the discrete coloring element is partially or fully covered by the bottom surface of the lens structure;, 'an optical feature coupled to the base material, wherein the optical feature compriseswherein an upper surface of the lenticular lens structure is one or both of convex and multi-faceted, such that a first appearance of the optical feature when the wearable article is viewed from a first viewing angle is different from a second appearance of the optical feature when the wearable article is viewed from a second viewing angle; andwherein the bottom surface of the lenticular lens structure has a perimeter that is surrounded by one or both of an exposed surface of the base material and an exposed surface of the discrete coloring element.2. The wearable article of claim 1 , wherein the wearable article comprises an article of footwear.3. The wearable article of claim 1 , wherein the wearable article comprises an article of apparel.4. The wearable article of claim 1 , ...

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Номер записи: 29
03-03-2016 дата публикации

Optical film production method, optical film, surface light-emitting body and optical film production device

Номер: US20160061407A1
Автор: Daichi Okuno, Haruki KOSHITOUGE
Принадлежит: Mitsubishi Rayon Co Ltd

An optical film production method for suppressing air bubbles in microlenses, comprising rotating a roll die having a plurality of concave-shaped microlens transfer portions on the surface and running a substrate in the rotation direction; supplying an active energy ray-curable composition β onto a coating roll adjacent to the roll die surface, flattening the composition β, coating the flattened composition β on the roll die surface; supplying an active energy ray-curable composition α on the substrate and coating the composition α on a surface of the substrate; associating the compositions α and β between the roll die and the substrate to form a liquid pool; and irradiating a region between the roll die surface and the substrate surface with an active energy ray so the compositions α and β are sandwiched between the roll die surface and the substrate surface to cure the compositions α and β.

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Номер записи: 30
08-03-2018 дата публикации

LENS MEMBER, METHOD OF MANUFACTURING THE SAME, COMMUNICATION MODULE, LENS ARRAY, AND LIGHT-SOURCE MODULE

Номер: US20180067272A1
Автор: Ozaki Koichi, Shinohara Hideki, SUZUISHI Mitsunobu
Принадлежит: HITACHI MAXELL, LTD.

There are provided a lens member, a method of manufacturing the lens member, a communication module, a lens array, and a light-source module, the lens member including a ready-made glass lens added with a mounting portion having a reference face as a plane for reference when the glass lens is mounted on a substrate. A lens member includes a glass ball lens to which sphericity processing has been previously performed, and a resin mounting portion disposed on the glass ball lens. The mounting portion is molded by flowing the resin in a flowable state into a die including the glass ball lens disposed therein. The mounting portion includes a reference face that abuts on a mounting face in a case where the glass ball lens is surface-mounted, provided thereto. 1. A lens member to be surface-mounted to a substrate , the lens member comprising:a glass lens that has been previously made; anda mounting portion including a material different from the glass lens, provided by flowing the material in a flowable state into a mold in which the glass lens is disposed and fixing the material, the mounting portion housing therein at least a portion of the glass lens,wherein the mounting portion has a polygonal column shape including a top face, a bottom face, and plural side faces,wherein an incident face of the glass lens, where light to the glass lens is incident, and an emission face of the glass lens, where light from the glass lens is emitted, are exposed by way of openings provided on the top face and on the bottom face of the mounting portion, andwherein one of the plural side faces of the mounting portion is a reference face that abuts on a mounting face in a case where the glass lens is surface-mounted to the substrate.2. The lens member according to claim 1 , wherein the glass lens is circular when viewed in an optical axis direction.3. The lens member according to claim 1 , wherein the glass lens is a glass ball lens including a glass ball to which sphericity processing has ...

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Номер записи: 31
09-03-2017 дата публикации

High Quality and Moire-Free 3D Stereoscopic Image Rendering System Using a Lenticular Lens

Номер: US20170070727A1
Автор: Chen Ying-Tung
Принадлежит:

A three dimensional (3D) stereoscopic image rendering system uses a lenticular lens sheet with a light diffusing multi-layer, which may include an adhesive layer, formed on the external surface of its lower base. The microstructural constitution of the light diffusing multi-layer suppresses moiré patterns typically affecting the 3D images. When longitudinally directed stray light rays are internally reflected from the interior surfaces of each lenticular lens in the sheet and impinge on the light diffusing multi-layer contacting the lower base, the stray light rays are scattered diffusely into various directions, thereby significantly reducing the intensity of the moiré pattern and its effect on the image. In addition, certain related problems, such as crosstalk between left and right directed images are also reduced. As a result, the viewer perceives a high quality, moiré free, stereoscopic 3D image. 1. A 3D (three-dimensional) stereoscopic image rendering system comprising:an image projecting layer disposed in an X-Y plane, said image projecting layer comprising a black matrix-framed geometrical array of subpixels capable of emitting light;a lenticular lens sheet formed over said image projecting layer, wherein said lenticular lens sheet comprises a multiplicity of parallel, contiguous and substantially identically shaped lenticular lenses having bases that are flat and co-planar, wherein said lenticular lenses are capable of projecting images generated by light emitted from said subpixels into left and right directions to create a visually perceivable 3D stereoscopic image at an optical vertical distance, OVD, above said lens sheet;{'sub': 'L', 'wherein each said lenticular lens is formed of a lens material having an index of refraction nand is either shaped as a uniform semi-cylinder of length G having a flat base and convex cap, whose longitudinal axis extends for said length G along a Y-direction and, in a transverse X-Z plane, has a convex cross-section of ...

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Номер записи: 32
11-03-2021 дата публикации

Digital cameras with direct luminance and chrominance detection

Номер: US20210076020A1
Автор: Darryl L. Sato, James Gates, Richard Ian Olsen
Принадлежит: Callahan Cellular LLC

Digital camera systems and methods are described that provide a color digital camera with direct luminance detection. The luminance signals are obtained directly from a broadband image sensor channel without interpolation of RGB data. The chrominance signals are obtained from one or more additional image sensor channels comprising red and/or blue color band detection capability. The red and blue signals are directly combined with the luminance image sensor channel signals. The digital camera generates and outputs an image in YCrCb color space by directly combining outputs of the broadband, red and blue sensors.

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Номер записи: 33
29-03-2018 дата публикации

MICROLENS ARRAY, IMAGE DISPLAY APPARATUS, OBJECT APPARATUS, AND MOLD

Номер: US20180088255A1
Автор: HIGUCHI Miho, Sakai Kohji, WATANABE Jun
Принадлежит:

A microlens array includes N lenses ranging from a 1lens to an Nlens and a lens arrangement area. N is a positive integer. The lens arrangement area has the N lenses arranged in array. The lens arrangement area receives light emitted from a light source. An i(i being 1to N) lens satisfies a conditional expression below: 1. A microlens array comprising:{'sup': st', 'th, 'N lenses ranging from a 1lens to an Nlens, N being a positive integer; and'}a lens arrangement area having the N lenses arranged in array, the lens arrangement area to receive light emitted from a light source,{'sup': th', 'st', 'th, 'claim-text': {'br': None, '−20°≦θ≦20°'}, 'an i(i being 1to N) lens satisfying a conditional expression belowwhereθ denotes an angle formed by a main-axis orientation of double refraction and a reference orientation.2. The microlens array according to claim 1 , further comprising a gate area adjacent to the lens arrangement area in a planar view claim 1 ,wherein the gate area increases in width in a direction that approaches the lens arrangement area.3. The microlens array according to claim 2 ,wherein the gate area has a maximum width that is smaller than or equal to a width of an edge on a side of the lens arrangement area which is adjacent to the gate area in the planar view.4. The microlens array according to claim 2 ,wherein the lens arrangement area has a rectangular shape having, on a side adjacent to the gate area, an edge shorter than another edge in the planar view.5. The microlens array according to claim 1 ,wherein the lens arrangement area is curved along at least one direction.6. The microlens array according to claim 2 ,wherein the planar view is viewed from a normal direction that passes through a center of the lens arrangement area.7. An apparatus comprising:a light source to emit the light;an image forming element to form an image with the light emitted from the light source; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the microlens array ...

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Номер записи: 34
29-03-2018 дата публикации

LIQUID LENS ARRAY BASED ON ELECTROWETTING METHOD AND METHOD OF MANUFACTURING THE SAME, AND DISPLAY DEVICE USING THE SAME

Номер: US20180088345A1
Автор: Kim Cheol Joong, KIM JUNOH, LEE Jun Sik, SHIN Doo-Seub, WON Yong Hyub
Принадлежит:

Disclosed are a liquid lens array based on an electrowetting method, a method of manufacturing the same, and a display device using the same. 1. A liquid lens array , comprising:a first substrate including a plurality of chambers, and a first electrode and a second electrode, which are not connected with each other, and are formed on both side surfaces of each of the plurality of chambers, respectively; anda second substrate configured to seal an upper portion of the first substrate including the plurality of chambers, and including a third electrode formed at a side facing the first substrate,wherein a first liquid is filled in a lower portion of the chamber, and a second liquid, which is not mixed with the first liquid, is filled in an upper portion of the first liquid in the chamber.2. The liquid lens array of claim 1 , wherein:an insulating layer is formed in an upper portion of each of the first electrode and the second electrode, anda hydrophobic layer is formed on the insulating layer.3. The liquid lens array of claim 1 , wherein:the first liquid is oil that is a hydrophobic liquid, andthe second liquid is water that is an electrolyte liquid.4. The liquid lens array of claim 1 , wherein:when a first voltage applied between the first electrode and the third electrode is the same as a second voltage applied between the second electrode and the third electrode, a shape of an interface between the first liquid and the second liquid is a convex lens shape, in which an optical axis is positioned at a center of the lens.5. The liquid lens array of claim 1 , wherein:when a first voltage applied between the first electrode and the third electrode is different from a second voltage applied between the second electrode and the third electrode, a shape of an interface between the first liquid and the second liquid is a convex lens shape, in which an optical axis is inclined to a left side or a right side from a center.6. The liquid lens array of claim 5 , wherein:when ...

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Номер записи: 35
30-03-2017 дата публикации

OPTICAL LENS ASSEMBLY

Номер: US20170090073A1
Автор: CHERN JYH-LONG, YEN CHIH-MING
Принадлежит:

An optical lens assembly is produced by an injection molding process. The optical lens assembly includes a lens body and an injection-molded structure. The lens body includes a first lens surface and a second lens surface opposed to the first lens surface. The lens body is divided into an optically effective zone and an optically ineffective zone. The injection-molded structure has at least one gate land in response to the injection molding process. At least a portion of the optically ineffective zone of the lens body is covered by the injection-molded structure, and the injection-molded structure is assembled with and positioned by an external structure. Each of the first lens surface and the second lens surface is one of a multi-aperture lens surface, a lenticular lens surface, an aspheric lens surface and a flat lens surface. 1. An optical lens assembly produced by an injection molding process , the optical lens assembly comprising:a lens body comprising a first lens surface and a second lens surface opposed to the first lens surface, wherein the lens body is divided into an optically effective zone and an optically ineffective zone; andan injection-molded structure having at least one gate land in response to the injection molding process, wherein at least a portion of the optically ineffective zone of the lens body is covered by the injection-molded structure, and the injection-molded structure is assembled with and positioned by an external structure,wherein the first lens surface is one of a multi-aperture lens surface and a lenticular lens surface, and the second lens surface is one of a multi-aperture lens surface, a lenticular lens surface, an aspheric lens surface and a flat lens surface.2. The optical lens assembly according to claim 1 , wherein the injection-molded structure has two gate lands in response to the injection molding process claim 1 , and the two gate lands are located at the same side of the injection-molded structure or the two gate lands ...

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Номер записи: 36
30-03-2017 дата публикации

MANUFACTURE OF OPTICAL ELEMENTS BY REPLICATION AND CORRESPONDING REPLICATION TOOLS AND OPTICAL DEVICES

Номер: US20170090074A1
Автор: Barge Michel, Bietsch Alexander
Принадлежит:

A replication tool for producing an optical structure comprising an optical element includes a central section having the shape defining a negative of a portion of the optical structure and a vertically aligned central axis; a surrounding section laterally surrounding the central section; and one or more contact standoffs defining a plane referred to as contact plane. In a first azimuthal range, the surrounding portion provides a first compensation surface facing away from the central axis, and in a second azimuthal range, the surrounding portion provides a second compensation surface facing away from the central axis. In any cross-section containing the central axis in the second azimuthal range, a steepness of the second compensation surface is higher than a steepness of the first compensation surface in any cross-section containing the central axis in the first azimuthal range. 1. A replication tool for producing an optical structure comprising an optical element , the replication tool comprisinga central section having the shape defining a negative of a portion of the optical structure, the central section having a vertically aligned central axis;a surrounding section laterally surrounding the central section;one or more contact standoffs defining a plane referred to as contact plane;wherein all portions of the replication tool are arranged on one and the same side of the contact plane, wherein a direction pointing from the contact plane into said side along a direction aligned perpendicular to the contact plane is referred to as vertical direction, and wherein lateral directions are defined as directions perpendicular to the vertical direction,wherein, in a first azimuthal range, the surrounding portion provides a surface facing away from the central axis, referred to as first compensation surface, andwherein in a second azimuthal range, the surrounding portion provides a surface facing away from the central axis, referred to as second compensation surface, ...

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Номер записи: 37
05-05-2022 дата публикации

DIGITAL CAMERAS WITH DIRECT LUMINANCE AND CHROMINANCE DETECTION

Номер: US20220141439A1
Автор: Gates James, Olsen Richard Ian, Sato Darryl L.
Принадлежит: CALLAHAN CELLULAR L.L.C.

Digital camera systems and methods are described that provide a color digital camera with direct luminance detection. The luminance signals are obtained directly from a broadband image sensor channel without interpolation of RGB data. The chrominance signals are obtained from one or more additional image sensor channels comprising red and/or blue color band detection capability. The red and blue signals are directly combined with the luminance image sensor channel signals. The digital camera generates and outputs an image in YCrCb color space by directly combining outputs of the broadband, red and blue sensors.

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Номер записи: 38
19-03-2020 дата публикации

MARKER

Номер: US20200088913A1
Автор: FUKUDA Yasuyuki
Принадлежит:

The present invention provides a marker that can prevent reflection from the surface of the marker and can project an image with an excellent contrast. The marker () of the present invention includes a lens main body (). The lens main body () has multiple lens portions () on one surface side and has multiple detectable portions () on the other surface side. The lens portions () are arranged successively in a planar two-dimensional direction. On the one surface, a pitch of the lens portions () in a one-dimensional direction is narrower than a pitch of the lens portions () in the other one-dimensional direction. 1. A marker comprisinga lens main body having multiple lens portions on one surface side and having multiple detectable portions on the other surface side, whereinthe lens portions are arranged successively in a planar two-dimensional direction, andon the one surface, a pitch of the lens portions in a one-dimensional direction is narrower than a pitch of the lens portions in the other one-dimensional direction.2. The marker according to claim 1 , whereina ratio of a pitch (Py) of the lens portions in the a one-dimensional direction to a pitch (Px) of the lens portions in the other one-dimensional direction is 0.2 or more and less than 1 assuming that the Px is 1.3. The marker according to claim 1 , whereina shape of each of the lens portions is at least one shape selected from the group consisting of a spherical shape and a spherical shape.4. The marker according to claim 1 , wherein a shape of each of the lens portions is a toroidal shape.5. The marker according to claim 1 , whereinan array of the lens portions is at least one selected from the group consisting of a rectangular array, a honeycomb array, and a radial array.6. The marker according to claim 1 , whereinthe lens main body comprises multiple recesses on the other surface side, andcolored films as the detectable portions are provided inside the respective recesses.7. The marker according to claim 1 ...

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Номер записи: 39
05-04-2018 дата публикации

Yardless lens assemblies and manufacturing methods

Номер: US20180095193A1
Автор: Chia-Yang Chang, Mao-Chin Wang, Shao-Fan Kao
Принадлежит: Omnivision Technologies Inc

A wafer-level method for manufacturing yardless lenses includes (a) depositing light-curable lens resin between a mold and a first side of a transparent substrate, wherein the first side of the transparent substrate has an opaque coating with a plurality of apertures respectively aligned with a plurality of lens-shaped recesses of the mold, and (b) exposing a second side of the transparent substrate, facing away from the first side, to light, thereby illuminating portions of the light-curable lens resin aligned with the plurality of apertures to form a respective plurality of yardless lenses.

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Номер записи: 40
28-03-2019 дата публикации

Method of forming a film with a lenticular lens array

Номер: US20190094561A1
Автор: Bee Khuan Jaslyn Law, Beng Soon Tan, Chee Fatt Frank Chan, Hong Yee Low, Yee Chong Loke, Yun Xu
Принадлежит: Agency for Science Technology and Research Singapore, TEMASEK POLYTECHNIC

According to one aspect of the invention, there is provided a method of forming a film with a lenticular lens array, the method comprising providing a substrate; providing a mold having a plurality of nano-scale to micro-scale cavities that form the lenticular lens array on the substrate; having the mold contact the substrate; and forming the lenticular lens array by allowing portions of the substrate to partially fill the plurality of cavities.

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Номер записи: 41
06-04-2017 дата публикации

Array Lens Module

Номер: US20170099418A1
Автор: Wei Hui, Xu Yunqiang
Принадлежит: AAC Technologies Pte. Ltd.,

An array lens module includes a housing, an image sensor with photosensitive area and a lens module installed inside the housing. The lens module is formed by at least two pieces glass lens. The first lens with the first imaging area and the second lens with the second imaging area are molded on the lens module. The image processor is respectively capturing the first image area and the second image area by a certain length-width ratio in the first imaging area and the second imaging area. A parallax between image in the first image area and image in the second image area is accordingly generated. The lens module is all-glass structure with a high transmittance and excellent achromatization performances. 1. An array lens module comprising:a housing,an image processor inside the housing,an image sensor electrically connected with the image processor, the image sensor having a photosensitive area;a lens module set on the image sensor; whereinthe lens module includes a first lens and the second lens keeping a distance from the first lens, the first lens having a first imaging area, the second lens having a second imaging area, at least part of the first imaging area and the second imaging area falling in the photosensitive area; whereinthe image processor captures images in the first image area and the second image area by a certain length-width ratio for generating a parallax between images in the first image area and the second image area.2. The array lens module according to claim 1 , wherein the photosensitive area has two relatively parallel first side edges and the second side edge connected with the two first side edges claim 1 , a connecting line between geometric centers of the first image area and the second image area is parallel to the first side edges.3. The array lens module according to claim 1 , wherein the photosensitive area has two relatively parallel first side edges and the second side edge connected with the two first side edges claim 1 , a ...

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Номер записи: 42
02-06-2022 дата публикации

WAFER ALIGNMENT FEATURES

Номер: US20220168978A1
Автор: Markovic Uros, Spring Nicola
Принадлежит:

A method of manufacturing a plurality of optical elements includes providing a first wafer () having lower alignment features () arranged on a first surface of the substrate, providing a second wafer () comprising, on a replication side, a plurality of replication sections, each replication section defining a surface structure of one of the optical elements, the second wafer () further comprising upper alignment features () protruding, on the replication side, further than an outermost feature of the replication sections, depositing liquid droplets () on the first side of the first wafer (), and bringing the second wafer () and the first side of the first wafer () together, with liquid droplets () between the first wafer () and the second wafer (), the upper alignment features () contacting the liquid droplets () on the lower alignment features () on the first side of the first wafer (), and thereby causing the second wafer () to align with the first wafer () by capillary action. 1. A method of manufacturing a plurality of optical elements , the method comprising:providing a first wafer having lower alignment features arranged on a first surface of the substrate;providing a second wafer comprising, on a replication side, a plurality of replication sections, each replication section defining a surface structure of one of the optical elements, the first wafer further comprising upper alignment features protruding, on the replication side, further than an outermost feature of the replication sections;depositing liquid droplets on the first side of the first wafer; andaligning the first wafer and the first wafer with respect to each other and bringing the first wafer and the first side of the first wafer together, with liquid droplets between the first wafer and the first wafer, the upper alignment features contacting the liquid droplets on the lower alignment features on the first side of the first wafer, and thereby causing the second wafer to align with the second ...

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Номер записи: 43
30-04-2015 дата публикации

Lens array, and method for manufacturing the same

Номер: US20150116836A1
Автор: Keishi Shimizu, Shin Yasuda
Принадлежит: Fuji Xerox Co Ltd

Provided is a lens array, wherein partition walls are formed, using a blade, on a surface of a liquid-repellent substrate subjected to a lyophilic surface treatment, liquid-repellent groove sections formed by the blade, each of the liquid-repellent groove sections is V-shaped, lyophilic sections between the partition walls that are adjacent each other, and lenses are formed on the lyophilic sections using a liquid polymer.

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Номер записи: 44
27-04-2017 дата публикации

Synthesis of superposition shape images by light interacting with layers of lenslets

Номер: US20170113481A1
Автор: Juergen Brugger, Roger David Hersch, Theophane Besson, Thomas Walger, Valentin FLAURAUD
Принадлежит: Ecole Polytechnique Federale de Lausanne EPFL

The present invention describes methods and apparatuses for creating superposition shape images by superposed base and revealing layers of lenslet gratings. The superposition shape images form a message recognizable by a human observer or by an image acquisition and computing device such as a smartphone. The superposition shape images may be created by different superposition techniques ranging from 1D moiré, 2D moiré and level-line moiré superposition techniques to lenticular image and phase shift superposition techniques. Moiré superposition techniques enable creating superposition shape images at different apparent depth levels. Applications comprise the protection of documents and valuable articles against counterfeits, the creation of eye-catching advertisements as well as the decoration of buildings and exhibitions.

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Номер записи: 45
26-04-2018 дата публикации

ELECTRONIC DEVICE AND METHOD FOR FABRICATING THE SAME

Номер: US20180114886A1
Автор: LEE Ho-Cheng, LIU YI-CHENG, Yang Wen-Wei
Принадлежит:

The present invention provides an electronic device and a method for fabricating the same. The electronic device includes a driving-circuit substrate, light-emitting elements, an optical layer, and an adhesive layer. The light-emitting elements are disposed on the driving-circuit substrate, and the optical layer is disposed on the light-emitting elements. The adhesive layer is disposed between the optical layer and the light-emitting elements. The optical layer includes a first surface and a second surface that are opposite to each other. The first surface of the optical layer has a plurality of first convex lens structures, and at least a part of the first convex lens structures are at least partially overlapped with the light-emitting elements in the vertical projection direction. 1. An electronic device , comprising:a driving-circuit substrate;a plurality of light-emitting elements, located on the driving-circuit substrate;an optical layer, located on the light-emitting elements, wherein the optical layer comprises a first surface and a second surface opposite to each other, the first surface has a plurality of first convex lens structures, and at least a part of the first convex lens structures are overlapped with the light-emitting elements in a vertical projection direction; andan adhesive layer, located between the optical layer and the light-emitting elements.2. The electronic device according to claim 1 , wherein the second surface is a planar structure.3. The electronic device according to claim 1 , wherein the second surface has a plurality of second convex lens structures.4. The electronic device according to claim 3 , wherein the second convex lens structures and the first convex lens structures are overlapped with each other in the vertical projection direction.5. The electronic device according to claim 3 , wherein an average height of the second convex lens structures is less than or equal to an average height of the first convex lens structures.6. ...

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Номер записи: 46
27-04-2017 дата публикации

DISPLAY BODY INCLUDING PARTIALLY-PROVIDED OPTICAL ELEMENT ARRAY,METHOD FOR FORMING PARTIALLY-PROVIDED OPTICAL ELEMENT ARRAY, AND DISPLAY BODY MANUFACTURING SYSTEM

Номер: US20170115496A1
Автор: YUMOTO Yoshihide
Принадлежит:

A display body includes a partially-provided optical element array, the display body enabling an optic effect by optical elements to be observed, wherein an image for producing the optic effect through interaction with the optical element array is formed in a first partial region on a first surface of a main body, the optical element array is formed in a second partial region corresponding to the first partial region on a second surface opposite to the first surface, the optical element array has recess portions and projecting portions, and a non-formation surface of the second surface where the optical element array is not formed is positioned between a lowest part of the recess portions and a highest part of the projecting portions. 1. A display body including a partially-provided optical element array , the display body enabling an optic effect by optical elements to be observed , whereinan image for producing the optic effect through interaction with the optical element array is formed in a first partial region on a first surface of a main body,the optical element array is formed in a second partial region corresponding to the first partial region on a second surface opposite to the first surface,the optical element array has recess portions and projecting portions, anda non-formation surface of the second surface where the optical element array is not formed is positioned between a lowest part of the recess portions and a highest part of the projecting portions.2. A display body including a partially-provided optical element array , the display body enabling an optic effect by optical elements to be observed , whereinan image for producing the optic effect through interaction with the optical element array is formed in a first partial region on a first surface of a main body, the optical element array is formed by a method for forming a partially-provided optical element array, including:a molding step of pressing a shaping surface of a shaping member to a ...

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Номер записи: 47
13-05-2021 дата публикации

METHOD OF PRODUCING OPTICAL ELEMENT

Номер: US20210141125A1
Автор: HIROSE Ikunori, NOSE Taku
Принадлежит: OLYMPUS CORPORATION

Provided is a method of producing an optical element. The method includes heating a preform that is made of a fluorophosphate glass material to alter a region including a surface of the preform to form a protection layer; and performing press molding on the preform with the formed protection to form a molded object having an optical element shape. 1. A method of producing an optical element , the method comprising:heating a preform that is made of a fluorophosphate glass material to alter a region including a surface of the preform to form a protection layer; andperforming press molding on the preform with the formed protection to form a molded object having an optical element shape.2. The method of producing the optical element according to claim 1 , further comprising:heating the molded object to eliminate distortion of the molded object; andpolishing the heated molded object to remove at least a part of an oxidized layer including the protection layer and an altered layer that is obtained by alteration due to heating of the molded object in a neighboring region on an inner side of the protection layer.3. The method of producing the optical element according to claim 1 , wherein the preform is arranged in a closed space during the heating of the preform.4. The method of producing the optical element according to claim 3 , wherein a first closed space that is formed from a first surface of the preform in the closed space; and', 'a second closed space that is formed from a second surface of the preform in the closed space,, 'the closed space includes'}the first closed space is a space with a volume of 10 mm{circumflex over ( )}3 or smaller per surface area of 1 mm{circumflex over ( )}2 of the first surface of the preform, andthe second closed space is a space with a volume of 600 mm{circumflex over ( )}3 per surface area of 1 mm{circumflex over ( )}2 of the second surface of the preform.5. The method of producing the optical element according to claim 2 , wherein ...

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Номер записи: 48
03-05-2018 дата публикации

CONVENTIONALLY PRICED LIQUID CONTAINER WITH UNIQUE OPTICAL PROPERTIES

Номер: US20180118412A1
Автор: Kainen Dan
Принадлежит:

Method and apparatus for creating highly articulated lenses and lens arrays from the combined effect of a clear-sided container of clear liquid whose sides are of uniform, conventional thickness, and may therefore be manufactured with conventional methods at conventional prices. The container's sides are shaped into the form of the surface of a lens or lens array, and in combination with the clear fluid within, whose index of refraction is close to that of the container wall, performs the function normally performed by a single lens of glass or plastic and focuses light on a plane within, or outside of said container. Such a container can be used both as an enhanced labeling display for clear fluid containers such as water, soda, liquors, liquid soap and many other liquid products, as well for as a display device only, enabling otherwise impractically thick and expensive lenses. 1. A container for substantially transparent , or clear fluid , with thin , clear sides , shaped in the contour of the surfaces of lenses and/or lens arrays , and substantially more articulated than those of a rounded or curved bottle or container , such that the contained clear fluid completes the lens effect to focus at a focal plane.2. The container according to claim 1 , in which at least one outer side of the container is shaped as a lens claim 1 , or lens array whose focal plane is at the outer side of its opposite claim 1 , smooth claim 1 , planar side claim 1 , where a label claim 1 , bearing an image on its inner side claim 1 , is affixed.3. The container claim 2 , according to claim 2 , in which sides of two containers are affixed together to form a dual container.4. The container according to claim 3 , in which the sides are indented and contain a label claim 3 , such that the label's outer side is on the same plane as the rest of the outer side of the container to facilitate affixing claim 3 , and which container can hold two separate types of clear fluid claim 3 , accessible ...

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Номер записи: 49
05-05-2016 дата публикации

OPTICAL FILM, METHOD FOR PRODUCING OPTICAL FILM, AND SURFACE LIGHT-EMITTING BODY

Номер: US20160123552A1
Автор: OKUNO Daichi, Toda Masatoshi
Принадлежит: MITSUBISHI RAYON CO., LTD.

This optical film includes a substrate and a plurality of convex microlenses arrayed on the substrate. The microlenses have an α-region and a β-region. The β-region occupies the outer portion of the convex shape of the microlenses, and is positioned in a manner so as to cover the α-region. In an adhesion test conforming to ISO 2409 for measuring the adhesiveness of the substrate and the optical film, the test result is class 0 or class 1. 1. An optical film comprising a base material and a plurality of convex microlenses arranged on the base material , the microlens having an α-region and a β-region , the β-region occupying the outer portion of the convex shape of the microlens and being positioned so as to cover the α-region , whereina resin composition constituting the α-region has a test result of class 0 or class 1 in an adhesion test in conformity with ISO 2409 for measuring adhesiveness between the base material and the resin composition constituting the α-region.2. The optical film according to claim 1 , wherein the resin composition constituting the α-region includes at least one unit selected from the group consisting of a monomer unit having a bisphenol skeleton and a polyfunctional urethane (meth)acrylate unit.3. The optical film according to claim 1 , further comprising a primer layer including a urethane resin between the base material and the microlens.4. An optical film comprising a plurality of convex microlenses arranged therein claim 1 , the microlens having an α-region and a β-region claim 1 , the β-region occupying the outer portion of the convex shape of the microlens and being positioned so as to cover the α-region claim 1 , whereinan average value of curls at four corners when the 50 mm-square optical film is dried at 60° C. for 4 hours is 1.0 mm or less.5. The optical film according to claim 4 , wherein a resin composition constituting the α-region includes at least one unit selected from the group consisting of a polyoxyalkylene glycol di( ...

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Номер записи: 50
18-04-2019 дата публикации

Digital cameras with direct luminance and chrominance detection

Номер: US20190116347A1
Автор: Darryl L. Sato, James Gates, Richard Ian Olsen
Принадлежит: Callahan Cellular LLC

Digital camera systems and methods are described that provide a color digital camera with direct luminance detection. The luminance signals are obtained directly from a broadband image sensor channel without interpolation of RGB data. The chrominance signals are obtained from one or more additional image sensor channels comprising red and/or blue color band detection capability. The red and blue signals are directly combined with the luminance image sensor channel signals. The digital camera generates and outputs an image in YCrCb color space by directly combining outputs of the broadband, red and blue sensors.

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Номер записи: 51
04-05-2017 дата публикации

Multilayered Press Stable Lens Array Film

Номер: US20170123112A1
Автор: Roberts David Eric, Scarbrough Joel Scott
Принадлежит:

A thin film containing a lens array on at least a portion of the surface consisting of a multilayered transparent polymer substrate exhibiting good flexibility and superior thermo-mechanical resistance to tension, heat, and humidity conditions wherein the total thickness of the thin film is at least half the focal length of the lens array. 1. A multilayered flexible lens array substrate comprising: 'a substantially planar surface layer, wherein said surface layer is composed essentially of a transparent highly flexible non-oriented polymer, wherein one plane of said surface layer is affixed using heat and pressure to said thermo-bonding layer surface of said base layer, wherein the opposite plane of said surface layer is embossed, printed, or formed with a high frequency lens array of between 150 and 1000 lenses per linear inch, wherein the total thickness of said multilayered lens array substrate is at least half the focal length of said lens array, being between 25 and 200 microns.', 'a substantially planar press stable transparent base layer film with mechanical and thermal stability, wherein said base layer is composed essentially of a non-hygroscopic biaxially oriented polymer layer substantially juxtaposed to a thermoplastic thermo-bonding polymer layer, and'}2. A multilayered flexible lens array substrate comprising:a substantially planar press stable transparent base layer film, wherein said base layer is composed essentially of a non-hygroscopic biaxially oriented polymer layer centrally juxtaposed between a thermoplastic thermo-bonding polymer layer on one surface and a ink receptive polymer layer on the opposite surface, and a substantially planar surface layer, wherein said surface layer is composed essentially of a highly flexible non-oriented transparent polymer, wherein one plane of said surface layer is bonded using heat and pressure to said thermo-bonding polymer layer surface of said base layer, wherein the opposite plane of said surface layer is ...

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Номер записи: 52
03-05-2018 дата публикации

DISPLAY DEVICE CAPABLE OF CONTROLLING VIEWING ANGLE AND METHOD FOR DRIVING THE SAME

Номер: US20180122292A1
Автор: Ju SeongHwan, JUNG SungMin, Lee SeungChul, SON Hyeonho
Принадлежит: LG DISPLAY CO., LTD.

A display device capable of actively controlling a viewing angle by an electrical signal, and a method for driving the same, are discussed. The display device in one embodiment includes a first substrate with a plurality of pixels, and a second substrate with convex lens, the second substrate facing the first substrate. Each of the plurality of pixels includes a main pixel and a viewing angle control pixel, and an image is displayed on both the main pixel and the viewing angle control pixel in a wide viewing angle mode. Further, an image is displayed on the main pixel, and a black is displayed on the viewing angle control pixel in a narrow viewing angle mode. 1. A display device comprising:a first substrate and a second substrate facing the first substrate;a plurality of pixels on the first substrate; anda convex lens on the second substrate,wherein each of the plurality of pixels includes a main pixel and a viewing angle control pixel,an image is displayed on both the main pixel and the viewing angle control pixel in a wide viewing angle mode, andan image is displayed on the main pixel, and a black is displayed on the viewing angle control pixel in a narrow viewing angle mode.2. The display device according to claim 1 , wherein the main pixel is disposed in the center of the convex lens.3. The display device according to claim 1 , wherein the convex lens includes resin filled in an intaglio pattern prepared in a first surface of the second substrate claim 1 , and a refractive index of the resin is larger than a refractive index of the second substrate.4. The display device according to claim 3 , wherein the first surface of the second substrate corresponds to a surface opposite to a surface facing the first substrate.5. The display device according to claim 3 , wherein the first surface of the second substrate corresponds to a surface facing the first substrate.6. The display device according to claim 5 , further comprising a third substrate disposed between the ...

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Номер записи: 53
25-04-2019 дата публикации

Microlens array, image display apparatus, object apparatus, and mold

Номер: US20190121002A1
Автор: Jun Watanabe, Kohji Sakai, Miho HIGUCHI
Принадлежит: Individual

A microlens array includes N lenses ranging from a 1 st lens to an N th lens and a lens arrangement area. N is a positive integer. The lens arrangement area has the N lenses arranged in array. The lens arrangement area receives light emitted from a light source. An i th (i being 1 st to N th ) lens satisfies a conditional expression below: −20°≤θ≤20° where θ denotes an angle formed by a main-axis orientation of double refraction and a reference orientation.

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Номер записи: 54
02-05-2019 дата публикации

LENS SHEET AND OPTICAL MODULE

Номер: US20190126576A1
Автор: Mori Tatsuhiro
Принадлежит:

A lens sheet includes a base made of transparent resin, a lens part formed on the base and having a convex lens, and a protrusion formed around the lens and having a height lower than a height of the lens. A gap is provided between the lens and the protrusion. 1. A lens sheet comprising:a base made of transparent resin;a lens part formed on the base and having a convex lens; anda protrusion formed around the lens and having a height lower than a height of the lens.2. The lens sheet according to claim 1 , wherein the protrusion is formed in a circular shape.3. The lens sheet according to claim 1 , wherein a gap is provided between the lens and the protrusion.4. An optical module comprising:a sheet-shaped optical waveguide;{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the lens sheet according to disposed above the optical waveguide; and'}a flexible substrate disposed above the lens sheet. This application is based on and claims priority to Japanese Patent Application No. 2017-207829, filed on Oct. 27, 2017 the entire contents of which are incorporated herein by reference.The disclosures herein generally relate to a lens sheet and an optical module.A lens sheet including a glass substrate and lenses formed on the glass substrate and formed of a UV curable resin is known (see Patent Document 1, for example). This lens sheet is manufactured by applying the UV curable resin to the space between the glass substrate and a mold. Subsequently, after the UV curable resin is cured, the glass substrate and the UV curable resin are removed from the mold.In the above-described method, if a flexible resin is used as a base, the base is bent when the lens sheet is being removed from the mold. As a result, stress is applied to bottom portions of the lenses, and thus cracks may be formed around the lenses.[Patent Document 1] International Publication Pamphlet No. WO2013/187515It is a general object of an embodiment of the present invention to provide a lens sheet that can prevent ...

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Номер записи: 55
28-05-2015 дата публикации

SECURITY DEVICES AND METHODS OF MANUFACTURE THEREFOR

Номер: US20150146297A1
Автор: COMMANDER Lawrence George, Green Stephen Banister, SUGDON Matthew
Принадлежит:

An aspect of the invention provides a security device including an array of printed lenses arranged on a first surface of a substrate and a microimage array underlying the array of printed lenses, whereby a synthetic image of portions of the microimages is generated by the lenses. The security device further comprises at least one tactile element arranged on the first surface of the substrate which is of greater or lesser height than the printed lenses, the at least one tactile element being registered to the array of printed lenses. 195-. (canceled)96. A security device assembly comprising:a security device comprising an array of lenses arranged on a first surface of a substrate and a microimage array underlying the array of lenses, whereby a synthetic image of portions of the microimages is generated by the lenses;a graphics layer underlying the security device, the microimage array being disposed between the array of lenses and the graphics layer such that the graphics of the graphics layer and the synthetic image generated by the array of lenses are viewable from the same side of the security device assembly; anda region of substantially uniform appearance underlying the microimage array across a portion and not the whole of the security device, the region being formed by a masking layer applied between the microimage array and the graphics layer, or by an area of the graphics layer carrying no graphics.97. A security device assembly according to claim 96 , wherein the region of substantially uniform appearance comprises a reflective material claim 96 , preferably a specularly reflective material claim 96 , in the form of a masking layer or forming part of the graphics layer.98. A security device assembly according to claim 96 , wherein the region of substantially uniform appearance comprising a masking layer is printed claim 96 , deposited or otherwise coated onto the microimage array and/or onto the graphics layer.99. A security device assembly according to ...

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Номер записи: 56
18-05-2017 дата публикации

Stacked-Lens Assembly And Fabrication Method For Same

Номер: US20170139086A1
Автор: CHEN Wei-Ping, Wan Tsung-Wei
Принадлежит:

A stacked-lens assembly includes a lower substrate and an upper substrate. The lower substrate includes a lower-substrate top surface having thereon a lower element and an inner spacer, the inner spacer at least partially surrounding the lower element. The upper substrate includes an upper-substrate bottom surface opposite the lower-substrate top surface and having thereon an upper element and an outer spacer, the outer spacer (i) being attached to the inner spacer and (ii) at least partially surrounding the upper element. In any cross-section of the stacked-lens assembly parallel to the upper substrate and including both the inner spacer and the outer spacer, the entirety of the inner spacer is within a perimeter of the outer spacer. 1. A stacked-lens assembly comprising:a lower substrate with a lower-substrate top surface having thereon a lower element and an inner spacer, the inner spacer at least partially surrounding the lower element;an upper substrate with an upper-substrate bottom surface opposite the lower-substrate top surface and having thereon an upper element and an outer spacer that is (i) attached to the inner spacer and (ii) at least partially surrounds the upper element,a portion of the inner spacer being between the lower substrate and a surface of the outer spacer closest to the lower substrate, andin any cross section of the stacked-lens assembly parallel to the upper substrate and including both the inner spacer and the outer spacer, the entirety of the inner spacer is within a perimeter of the outer spacer.2. The stacked-lens assembly of claim 1 , further comprising a gap between a top surface of the inner spacer and a region on the upper-substrate bottom surface directly thereabove.3. The stacked-lens assembly of claim 1 , at least one of the lower element and the upper element being a lens.4. The stacked-lens assembly of claim 1 , the lower element and the upper element being a lower lens and an upper lens respectively claim 1 , the lower ...

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Номер записи: 57
18-05-2017 дата публикации

Techniques for reducing distortion of optical beam shaping elements

Номер: US20170139178A1
Автор: Markus Rossi, Stephan Heimgartner
Принадлежит: Heptagon Micro Optics Pte Ltd

According to embodiments of the present invention, an apparatus comprising a beam shaping element (lens) is provided. The apparatus comprises a substrate; a beam shaping element; and an elastic intermediate layer disposed between, and in contact with, the substrate and the beam shaping element, wherein the elastic intermediate layer has a Young's Modulus in a range of 2-600 MPa and a Poisson's ratio in a range of 0.2-0.5. Techniques for reducing thermal distortion of lens are described.

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Номер записи: 58
24-05-2018 дата публикации

SECURITY DOCUMENT AND METHOD OF MANUFACTURING

Номер: US20180141362A1
Автор: Van Den Berg Jan, WESSELINK Wilhelmus Johannes
Принадлежит:

Disclosed is a security document including an image area, a repeating image pattern in the image area of mutually spaced image elements at a mutual distance D and a layer of a plastics material overlying the image area and an array of lenses in the plastics material. The lenses are spaced at a mutual distance L which may be equal to D or which may differ from D, the array of lenses overlying only a part of the image area surface and are formed in the plastics material within an image contour. Within the contour an image may be observed such as a Moiré magnification or a Moiré effect of light and dark stripes. The lenses may be formed for instance by laser ablation or by imprinting. 11235681112171881112810191. Security document () comprising a portrait image () of a holder and an image area () , an image pattern in the image area of mutually spaced image elements ( ,) at a mutual distance D , a layer () of a plastics material overlying the image area and an array of lenses ( , ; , ) in the layer () , wherein the lenses ( ,) are spaced at a mutual distance L which differs from D , the array of lenses overlying only a part of the image area surface and are formed in the layer () of plastics material within an image contour ( ,) , which image contour forms indicia displaying information pertaining to the holder and/or an issuing authority of the document ().21111217188. Security document () according to wherein the lenses ( claim 1 , ; claim 1 , ) are formed by laser ablation of the layer () of plastics material.3111121718. Security document () according to claim 1 , wherein the lenses ( claim 1 , ; claim 1 , ) are formed by imprinting.4146. Security document () according to claim 1 , wherein the image elements ( claim 1 ,) are formed by an array of microstructures.511718151611718. Security document () according to claim 1 , wherein the array of lenses is an array of elongated cylindrical lenses ( claim 1 ,) claim 1 , the image elements comprising parallel image lines ( ...

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Номер записи: 59
15-09-2022 дата публикации

METHOD OF BONDING SUBSTRATES AND SEPARATING A PORTION OF THE BONDED SUBSTRATES THROUGH THE BOND, SUCH AS TO MANUFACTURE AN ARRAY OF LIQUID LENSES AND SEPARATE THE ARRAY INTO INDIVIDUAL LIQUID LENSES

Номер: US20220289615A1
Автор: Wynne Thomas Mikio
Принадлежит:

A method of forming a bond between substrates and manipulating the bond comprises: emitting a first laser energy onto a strip of an absorption material disposed between a first substrate and a second substrate until the strip diffuses into the first substrate and the second substrate resulting in workpiece with a bond between the first substrate and the second substrate; emitting a second laser energy through the workpiece at the bond to create a fault line through the bond, the first substrate, and the second substrate, the second laser energy provided by an approximated Bessel beam, the approximated Bessel beam incident upon the bond having a diameter that is greater than a width of the bond; and repeating emitting the second laser energy step along a length of the bond to create a series of fault lines through the bond, the series of fault lines forming a contour. 1. A method of forming a bond between substrates and manipulating the bond , the method comprising:emitting a first laser energy onto a length and a width of a strip of an absorption material disposed between a first substrate and a second substrate until the strip of the absorption material diffuses into the first substrate and the second substrate resulting in a bond between the first substrate and the second substrate, thereby creating a workpiece comprising the first substrate bonded to the second substrate through the bond, the bond having a length and a width at least approximating the length and the width of the strip before the strip is diffused;emitting a second laser energy through the workpiece at the bond to create a fault line through the first substrate and the second substrate, the second laser energy provided by an approximated Bessel beam, the approximated Bessel beam incident upon the bond having a diameter that is greater than the width of the bond; andrepeating emitting the second laser energy step along the length of the bond to create a series of fault lines forming a contour.2. ...

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Номер записи: 60
31-05-2018 дата публикации

DISPLAY BODY INCLUDING PARTIALLY-PROVIDED OPTICAL ELEMENT ARRAY

Номер: US20180149879A1
Автор: YUMOTO Yoshihide
Принадлежит:

A display body includes a partially-provided optical element array, the display body enabling an optic effect by optical elements to be observed, wherein an image for producing the optic effect through interaction with the optical element array is formed in a first partial region on a first surface of a main body, the optical element array is formed in a second partial region corresponding to the first partial region on a second surface opposite to the first surface, the optical element array has recess portions and projecting portions, and a non-formation surface of the second surface where the optical element array is not formed is positioned between a lowest part of the recess portions and a highest part of the projecting portions. 1. A display body including a partially-provided optical element array , the display body enabling an optic effect by optical elements to be observed , comprising:a main body formed of transparent material and including a first surface and a second surface opposite to the first surface,an image to produce the optic effect, formed in a first partial region on the first surface of the main body,an character image which does not produce the optic effect, formed in a region of the first surface other than the first partial region,an optical element array made of a material same as that of the main body and integrally formed with the main body in a second partial region corresponding to the first partial region on the second surface such that the image produces the optic effect through interaction with the optical element array, the optical element array having recess portions and projecting portions, anda non-formation surface formed on a region of the second surface other than the second partial region, where the optical element array is not formed, and positioned at a position higher than a lowest part of each of the recess portions of the optical element array and lower than a highest part of each of the projecting portions of the ...

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Номер записи: 61
11-06-2015 дата публикации

THIN FILM HIGH DEFINITION DIMENSIONAL IMAGE DISPLAY DEVICE AND METHODS OF MAKING SAME

Номер: US20150160466A1
Автор: Gravley Lane H., Hoffman Anthony L., Ratcliff Chad M., Timmerman Lee A., Tomczyk John
Принадлежит:

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. 1. Flexible packaging for displaying a dimensional image comprising:a substrate;a lens array, the lens array including a plurality of lenses; anda dimensional image layer viewable through the lens array,wherein the dimensional image layer and the lens array define a light steering optical layer having a thickness of about one to about ten mils.2. The flexible packaging of claim 1 , wherein the lens array comprises a preformed lens material having a first surface including the plurality of lenses claim 1 , and a flat second surface claim 1 , and wherein the flat second surface of the lens material is laminated to the substrate.3. The flexible packaging of claim 2 , wherein the dimensional image layer is printed on at least a portion of the flat second surface of the lens material claim 2 , the substrate claim 2 , or both.4. The flexible packaging of claim 1 , wherein the substrate comprises a polymeric film claim 1 , and wherein at least a portion of a first surface of the polymeric film is embossed to form the lens array thereon.5. The flexible packaging of claim 4 , wherein the ...

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Номер записи: 62
17-06-2021 дата публикации

Lens array unit, image sensor unit, image reading apparatus, image forming apparatus, and method of manufacturing lens array unit

Номер: US20210185188A1
Автор: Hiroki Wakayama
Принадлежит: Canon Inc

A lens array unit includes a lens array including a plurality of lenses, a first side plate, and a second side plate, the first side plate and the second side plate being configured to hold the plurality of lenses therebetween, and a frame made of resin and including a first supporting portion and a second supporting portion, the first supporting portion being in contact with an outside surface of the first side plate, the second supporting portion being in contact with an outside surface of the second side plate, the first supporting portion and the second supporting portion being configured to hold the lens array therebetween and support the lens array. The outside surface of the first side plate includes a plurality of first concave portions spaced from each other in an array direction of the lenses and configured to fit with the first supporting portion.

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Номер записи: 63
07-06-2018 дата публикации

Method for Manufacturing Lens with Facilitated Light Diffusion

Номер: US20180156416A1
Автор: Corey Goldstein, Craig Raleigh, Kurt Wilcox
Принадлежит: Cree Inc

A method for manufacturing of a lens for distribution of light from a light emitter. The method provides an injection-molding cavity defined by a shape-forming configuration with a texturing in at least one area of the cavity. A thermoplastic elastomer is injected into the cavity shaping a lens-region thickness of the elastomer. Such lens-region thickness is cooled and set prior to sinking of the elastomer such that the lens-region thickness retains the texturing of the shape-forming configuration forming a textured surface portion of the lens.

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Номер записи: 64
08-06-2017 дата публикации

ARTICLE HAVING A PLURALITY OF OPTICAL STRUCTURES

Номер: US20170160439A1
Автор: Liles Timothy K., Miller Todd W.
Принадлежит: Nike, Inc.

An article has optical structures disposed on a base material element. The optical structures include lenticular lens structures and discrete coloring elements having distinct color regions. The lenticular lens structure has several lens layers. The lenticular lens structure may have any of a variety of cross-sectional shapes. The article has a different appearance when an observer views the article at various angles. The appearance may differ in terms of coloring scheme. 1. An article comprising:a base material element; and a discrete coloring element, wherein the discrete coloring element has a first side disposed against the base material element and a second side disposed opposite of the first side, and wherein the discrete coloring element includes at least two regions having different colors; and', 'a lenticular lens structure, wherein a bottom surface of the lenticular lens structure is disposed against the second side of the discrete coloring element, and the bottom surface of the lenticular lens structure is coextensive with a shape of the second side of the discrete coloring element., 'a plurality of optical structures coupled to the base material element and arranged in a pattern, wherein a first apparent color of the plurality of optical structures when the article is viewed from a first viewing angle is different from a second apparent color of the plurality of optical structures when the article is viewed from a second viewing angle, and wherein each optical structure comprises2. The article of claim 1 , wherein each optical structure of the plurality of optical structures has a discrete coloring element width claim 1 , a discrete coloring element length claim 1 , and an optical structure height claim 1 , andwherein a first ratio of the discrete coloring element width to the optical structure height ranges from 2:1 to 1:2.3. The article of claim 2 , wherein a second ratio of the discrete coloring element length to the optical structure height ranges ...

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Номер записи: 65
18-06-2015 дата публикации

MICROLENS ARRAY, IMAGE PICKUP ELEMENT PACKAGE, AND METHOD FOR MANUFACTURING MICROLENS ARRAY

Номер: US20150168611A1
Автор: MATSUO Atsushi, Osawa Mitsuo, YAMASHITA Shuichi
Принадлежит: Asahi Glass Company, Limited

The present invention relates to a microlens array comprising a transparent substrate, a resin layer provided on/above at least one surface of the transparent substrate, containing a photosensitive resin and forming a plurality of microlenses, and a functional layer reflecting at least light for reacting the photosensitive resin, the functional layer is formed on a surface of the transparent substrate at a side on which the resin layer is not formed, or on the surface of the transparent substrate at the side on which the resin layer is formed and at a position nearer the transparent substrate than the resin layer. 1. A microlens array to be used in combination with a pixel array of an image pickup element , comprising:a transparent substrate;a resin layer provided on/above at least one surface of the transparent substrate, comprising a photosensitive resin and forming a plurality of microlenses; anda functional layer reflecting at least light for reacting the photosensitive resin, the functional layer is formed on a surface of the transparent substrate at a side on which the resin layer is not formed, or on the surface of the transparent substrate at the side on which the resin layer is formed and at a position nearer the transparent substrate than the resin layer.2. The microlens array according to claim 1 , wherein the photosensitive resin is a photocurable resin.3. The microlens array according to claim 1 , wherein the photosensitive resin is a photosoluble resin.4. A microlens array to be used in combination with a pixel array of an image pickup element claim 1 , comprising:a transparent substrate made of a glass, having a plurality of microlenses formed on one surface thereof; anda functional layer reflecting at least light of an ultraviolet ray wavelength region, formed on/above a surface opposite to the surface having the microlenses formed thereon of the transparent substrate.5. The microlens array according to claim 1 , wherein the functional layer is a ...

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Номер записи: 66
15-06-2017 дата публикации

Spacer Wafer For Wafer-Level Camera And Method For Manufacturing Same

Номер: US20170168270A1
Автор: Barnes George, Rauker Goran
Принадлежит:

A spacer wafer for a wafer-level camera, a wafer-level camera including the spacer wafer and a method of manufacturing a spacer wafer include a layer of photoresist being formed over a substrate, the layer of photoresist being exposed to radiation through a mask that defines a spacer geometry for at least one wafer-level camera element. The layer photoresist is developed, such that the layer of photoresist is the spacer wafer for the wafer-level camera. 1. A method of manufacturing a spacer wafer for a wafer-level camera , comprising:forming a layer of photoresist over a substrate;exposing the layer of photoresist to radiation through a mask that defines a spacer geometry for at least one wafer-level camera element; anddeveloping the layer of photoresist, such that the layer of photoresist is the spacer wafer for the wafer-level camera.2. The method of claim 1 , further comprising:forming a sacrificial layer on the substrate before forming the layer of photoresist over the substrate; andafter developing the layer of photoresist, removing the sacrificial layer, such that the layer of photoresist is a standalone spacer.3. The method of claim 2 , wherein the sacrificial layer comprises polystyrene.4. The method of claim 2 , wherein the sacrificial layer comprises wax.5. The method of claim 1 , wherein the photoresist is negative photoresist.6. The method of claim 1 , wherein the photoresist is epoxy-based photoresist. The method of claim 1 , wherein the photoresist is SU-8 photoresist.8. The method of claim 1 , wherein a thickness of the spacer wafer is less than 300 μm.9. The method of claim 1 , further comprising machining the layer of photoresist to a desired thickness.10. The method of claim 9 , wherein the layer of photoresist is machined to a thickness less than 300 μm.11. The method of claim 1 , further comprising machining the layer of photoresist to a plurality of thicknesses.12. The method of claim 1 , further comprising aligning a mask over the layer of ...

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Номер записи: 67
29-09-2022 дата публикации

OPTICAL ELEMENT AND MANUFACTURING METHOD FOR OPTICAL ELEMENT

Номер: US20220308271A1
Автор: HANATO Hiroyuki, Iwahama Takahiro
Принадлежит: Daicel Corporation

Provided is a technique that can suppress stray light incident on a microlens array from a gap between a lens component and a light shielding film and improve the imaging performance of the microlens array. 1. An optical element comprising:one or more optical components arranged on at least one side of a base material portion having a substantially flat plate shape;a light shielding film provided around the optical component on a surface at which the one or more optical components of the base material portion are provided in a manner that a predetermined gap region is formed with respect to at least a portion of an outer periphery of the optical component; anda surface roughened portion provided in at least a portion of the gap region and having a surface roughness greater than a surface roughness of another region in the base material portion.2. The optical element according to claim 1 , whereinthe light shielding film includes an opening formed to surround at least a portion of the outer periphery of the optical component via the gap region, andthe gap region is a region sandwiched between a peripheral edge of the opening and the outer periphery of the optical component.3. The optical element according to claim 1 , whereinthe surface roughened portion is also provided under the light shielding film on the surface at which the one or more optical components of the base material portion are provided.4. The optical element according to claim 1 , whereinthe surface roughened portion is provided at a substantially entire surface excluding the optical component, on the surface at which the one or more optical components of the base material portion are provided.5. The optical element according to claim 1 , whereina width of the gap region in a radial direction is from 0.1 μm to 100 μm.6. A manufacturing method for an optical element claim 1 , the method comprising:integrally molding a base material portion having a substantially flat plate shape, one or more optical ...

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Номер записи: 68
21-05-2020 дата публикации

Method for producing lens

Номер: US20200158920A1
Автор: Sadayuki Fukui, Takeshi Fujikawa
Принадлежит: Daicel Corp

Provided is a method for efficiently producing a lens with high accuracy and excellent optical properties. The method for producing a lens of the present invention includes cutting an array of lenses at a junction by a method below, the array of lenses fixed on a support tape and having a configuration wherein two or more lenses are two-dimensionally arranged, and these lenses are connected each other via the junction. Cutting method: advancing a cutting depth from the side opposite to the side adhered to the support tape to a range from 50% or greater and 99.9% or less of a thickness of the junction, temporarily stopping the advance of the cutting depth when the advance reaches the range, and then cutting the junction to a cutting depth of 100%.

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Номер записи: 69
22-06-2017 дата публикации

AN OPTICAL DEVICE THAT PRODUCES FLICKER-LIKE OPTICAL EFFECTS

Номер: US20170173990A1
Автор: Cape Samuel M., Gosnell Jonathan D., Jordan Gregory R., Palm Scott K.
Принадлежит: VISUAL PHYSICS, LLC

An optical device that produces flicker-like optical effects is provided. The inventive device employs directionally cured image icons. Specifically, the optical device is made up of at least one arrangement of image icons formed from one or more cured pigmented materials, and at least one arrangement of optionally embedded focusing elements positioned to form one or more synthetic images of at least a portion of the arrangement(s) of image icons. Some or all of the pigmented material(s) is cured using collimated light directed through the focusing elements toward the arrangement(s) of image icons at one or more angles relative to a surface of the optical device to form directionally cured image icons. The synthetic image(s) of the directionally cured image icons is viewable at the cure angle(s) and therefore visually appears and disappears, or turns on and off, as the viewing angle of the device moves through the cure angle(s). The inventive optical device may be used in conjunction with laser engraving allowing for, in at least one embodiment, superior laser engraving through the optical device. 1. An optical device that produces flicker-like optical effects , wherein the optical device comprises at least one arrangement of image icons formed from one or more cured pigmented materials , and at least one arrangement of optionally embedded focusing elements positioned to form one or more synthetic images of at least a portion of the at least one arrangement of image icons , wherein some or all of the one or more pigmented materials is cured using collimated light directed through the focusing elements at one or more angles relative to a surface of the optical device to form directionally cured image icons , wherein the one or more synthetic images of the directionally cured image icons is viewable at the one or more collimated light cure angles and therefore visually appears and disappears , or turns on and off , as the viewing angle of the device moves through ...

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Номер записи: 70
23-06-2016 дата публикации

OPTICAL ASSEMBLY INCLUDING PLENOPTIC MICROLENS ARRAY

Номер: US20160181310A1
Автор: Ng Yi-Ren, Oliver Steven, Pitts Colvin
Принадлежит:

An optical assembly includes a solid spacing layer between a plenoptic microlens array (MLA) and a pixel-level MLA, avoiding the need for an air gap. Such an assembly, and systems and methods for manufacturing same, can yield improved reliability and efficiency of production, and can avoid many of the problems associated with prior art approaches. In at least one embodiment, the plenoptic MLA, the spacing layer, and the pixel-level MLA are created from optically transmissive polymer(s) deposited on the photosensor array and shaped using photolithographic techniques. Such an approach improves precision in placement and dimensions, and avoids other problems associated with conventional polymer-on-glass architectures. Further variations and techniques are described. 1. An optical assembly , comprising:a photosensor array, comprising a plurality of photosensors;a pixel-level microlens array, comprising at least two layers, each layer comprising a plurality of microlenses, each microlens configured to direct light toward a corresponding photosensor of the photosensor array;a first spacing layer, comprising a solid optically transmissive material, situated between and adjoining the layers of the pixel-level microlens array and configured to separate the layers of the pixel-level microlens array from one another;a second spacing layer, comprising a solid optically transmissive material, adjoining one of the layers of the pixel-level microlens array; anda plenoptic microlens array adjoining the second spacing layer, configured to direct incoming light through the second spacing layer and toward the pixel-level microlens array, the plenoptic microlens array having a top surface and a bottom surface;wherein the second spacing layer is situated between the pixel-level microlens array and the plenoptic microlens array and is configured to separate the pixel-level microlens array from the plenoptic microlens array.2. The optical assembly of claim 1 , wherein the pixel-level ...

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Номер записи: 71
28-06-2018 дата публикации

METHODS OF MANUFACTURING SECURITY DOCUMENTS AND SECURITY DEVICES

Номер: US20180178577A1
Автор: Lister Adam
Принадлежит: DE LA RUE INTERNATIONAL LIMITED

A method of making a security device, comprising: forming an array of primary focusing elements on a first region of a focusing element support layer, by applying at least one transparent curable material either to the focusing element support layer or to a casting tool carrying a surface relief over an area which includes at least the first region, the surface relief comprising portions corresponding to the primary focusing elements; forming the transparent curable material(s) with the casting tool; and curing the transparent curable material(s) so as to retain the surface relief in the first region; wherein the surface relief further includes a plurality of structures of greater depth than the height of the primary focusing elements such that the cured transparent material(s) include a plurality of features protruding above the height of the primary focusing elements between primary focusing elements of the array. 1. A method of making a security device , comprising:(a) forming an array of primary focusing elements on a first region of a focussing element support layer, by:(a)(i) applying at least one transparent curable material either to the focusing-element support layer or to a casting tool carrying a surface relief over an area which includes at least the first region, the surface relief comprising portions corresponding to the primary focusing-elements;(a)(ii) forming the transparent curable material(s) with the casting tool; and(a)(iii) curing the transparent curable material(s) so as to retain the surface relief in the first region;wherein the surface relief further includes a plurality of structures of greater depth than the height of the primary focusing elements such that the cured transparent material(s) include a plurality of features protruding above the height of the primary focussing elements between primary focusing-elements of the array, wherein the surface relief is configured such that more than one of the primary focusing elements of the array ...

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Номер записи: 72
13-06-2019 дата публикации

Embossing tool and method to minimise bubble formation in embossed structures

Номер: US20190176386A1
Автор: Ben Paul Stevens, Gary Fairless Power, Karlo Ivan Jolic
Принадлежит: CCL Security Pty Ltd

An embossing tool for use with a rotating embossing roller, including: a tool body having a tool surface; and an array of recesses set into the tool surface to form a desired embossing surface profile, wherein at least two of the recesses are interconnected by a passage to enable fluid communication therebetween during embossing.

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Номер записи: 73
29-06-2017 дата публикации

IMAGE SENSOR AND MANUFACTURING METHOD THEREOF

Номер: US20170186795A1
Автор: Chang Hung-Sheng, Lee Ming-Hsin, Liu Chin-Kuang, Tsai Hsin-Ting, YU Cheng-Hung
Принадлежит:

An image sensor is provided in the present invention. The image sensor includes a continuous microlens including a plurality of top sub lenses connected with one another and a plurality of bottom sub lenses disposed corresponding to the top sub lenses. The continuous microlens maybe used to enhance quantum efficiency. The top sub lens and the bottom sub lens condense light by two steps within a shorter distance and make the light focused on a sensing element, and the continuous microlens may be applied without the limitation about the size of the pixel region accordingly. Additionally, the sensitivity and the uniformity thereof may be enhanced because of the shorter distance between the bottom sub lens and the sensing element. A transmittance of a color filter layer disposed corresponding to the bottom sub lens may also be enhanced. 1. An image sensor , comprising:a substrate comprising a plurality of pixel regions and a plurality of sensing elements, wherein each of the sensing elements is disposed in one of the pixel regions;a continuous microlens, disposed on the substrate, wherein the continuous microlens comprises a plurality of top sub lenses, the top sub lenses are connected with one another, and each of the top sub lenses is disposed corresponding to one of the sensing elements; anda plurality of bottom sub lenses, disposed between the continuous microlens and the substrate, wherein each of the bottom sub lenses is disposed corresponding to one of the top sub lenses and one of the sensing elements, the bottom sub lenses are separated from one another, and the bottom sub lens is smaller than the top sub lens.2. The image sensor of claim 1 , wherein a curvature radius of the bottom sub lens is smaller than a curvature radius of the top sub lens.3. The image sensor of claim 1 , wherein a cambering direction of the bottom sub lens is the same with a cambering direction of the top sub-lens.4. The image sensor of claim 1 , further comprising a first planar layer ...

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Номер записи: 74
05-07-2018 дата публикации

METHODS OF MANUFACTURING SECURITY DOCUMENTS AND SECURITY DEVICES

Номер: US20180186165A1
Автор: Holmes Brian William
Принадлежит: DE LA RUE INTERNATIONAL LIMITED

A security device is disclosed, comprising forming an array of focussing elements on first region of first surface of focussing element support layer, applying a pedestal layer comprising one transparent material onto first region of first surface of focussing element support layer applying transparent curable material to the pedestal layer or a casting tool carrying surface relief corresponding to focussing elements, over first region forming transparent curable material(s) with the casting tool bringing first surface of focussing element support layer against the casting tool that transparent curable material between the surface relief and the pedestal layer, across first region; and curing transparent curable material(s) on the pedestal layer to retain surface relief in first region; wherein focal length of focussing elements focal plane lies on first surface of focussing element support layer, or beyond first surface of focussing element support layer relative to the location of array of focussing elements. 1. A method of making a security device , comprising:(a) forming an array of focussing elements on a first region of a first surface of a focussing element support layer, by:(a)(i′) applying a pedestal layer comprising at least one transparent material onto at least the first region of the first surface of the focussing element support layer;(a)(i) applying at least one transparent curable material either to the pedestal layer or to a casting tool carrying a surface relief corresponding to the focussing elements, over at least the first region;(a)(ii) forming the transparent curable material(s) with the casting tool by bringing the first surface of the focussing element support layer against the casting tool such that the at least one transparent curable material is between the surface relief and the pedestal layer, across at least the first region; and(a)(iii) curing the transparent curable material(s) on the pedestal layer so as to retain the surface relief ...

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Номер записи: 75
15-07-2021 дата публикации

Nanoimprinted microlens array and method of manufacture thereof

Номер: US20210215855A1
Автор: Barry David Silverstein, Hao Yu, Lu Lu, Mengfei WANG
Принадлежит: Facebook Technologies LLC

A microlens array may be formed by nanoimprint lithography. Each microlens of the array comprises a plurality of concentric ridges extending from the substrate and separated by concentric grooves. A ratio F of a width of the concentric ridges to a pitch p of the concentric ridges is a function of a radial distance r from a microlens center to the concentric ridges. An effective refractive index n of microlenses depends on a fill ratio of a binary pattern, which depends on the radial distance from the microlens center. A method of manufacturing a microlens array includes forming an imprint resist layer on a substrate, and imprinting the imprint resist layer with a mold having an inversed microlens nanostructure.

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Номер записи: 76
16-07-2015 дата публикации

METHOD FOR MANUFACTURING ROD LENSES, AND ROD LENSES

Номер: US20150198748A1
Автор: GINDELE Frank, Hettler Robert, PAWLOWSKI Edgar
Принадлежит:

An integral homogeneous rod lens and the manufacturing thereof from a raw glass body are provided by melting the raw glass body in a mold, whereby a protruding part of the raw glass body deforms into a dome shape with a spherical or nearly spherical surface that defines a convex lens portion of the rod lens. 1. A method for manufacturing a rod lens that is homogeneously integrally formed with a shaft portion and a convex lens portion , comprising the steps of:providing at least one raw glass body from which the rod lens is to be formed;providing a mold for receiving and supporting the raw glass body such that the portion of the raw glass body intended to define the convex lens portion protrudes from the mold;melting the raw glass body at such a temperature that the portion of the raw glass body protruding from the mold deforms in air or in gas into a dome shape having a spherical surface;allowing the rod lens so produced to cool; andremoving the rod lens from the mold.2. The method as claimed in claim 1 , wherein the step of providing the mold comprises providing a two-piece mold.3. The method as claimed in claim 1 , wherein the step of providing the mold comprises providing a multi-piece mold.4. The method as claimed in claim 1 , wherein the mold is made of a material selected from a group consisting of graphite claim 1 , ceramics claim 1 , glass claim 1 , glass ceramics claim 1 , and metal.5. The method as claimed in claim 4 , wherein the material has a coefficient of thermal expansion that is smaller than a coefficient of thermal expansion of the raw glass body so that the rod lens detaches from the mold during cooling.6. A rod lens produced by the method as claimed in claim 1 , wherein the shaft portion and the lens portion are homogeneously integrally formed and wherein the spherical surface has fire-polished quality.7. The rod lens as claimed in claim 6 , wherein the shaft portion has a prismatic cylindrical shape with a constant rod cross section.8. The rod ...

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Номер записи: 77
22-07-2021 дата публикации

Micro-lens structure and manufacturing method therefor

Номер: US20210223441A1
Автор: Chun-Liang Chen, Shih-Ping Lee, Ya-Ting Chen
Принадлежит: Powerchip Semiconductor Manufacturing Corp

A micro-lens structure includes a substrate and a micro-lens. The micro-lens includes a shape adjustment portion and a lens pattern. The shape adjustment portion includes a plurality of shape adjustment patterns on the substrate. The lens pattern covers the shape adjustment patterns.

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Номер записи: 78
12-07-2018 дата публикации

Methods of manufacturing security documents and security devices

Номер: US20180194157A1
Автор: Brian William Holmes, John Godfrey
Принадлежит: De la Rue International Ltd

A method of making a security device including: (a) forming an array of focussing elements on at least a first region of a focussing element support layer, by: (a)(i) applying a first transparent curable material either to the focussing element support layer or to a casting tool carrying a surface relief corresponding to the focussing elements, over an first sub-region of the first region and applying a second transparent curable material to a second sub-region of the first region laterally offset from the first sub-region, the first and second transparent curable materials having different optical detection characteristics from one another; (a)(ii) forming the first and second transparent curable materials with the casting tool; and (a)(iii) curing the first and second transparent curable materials in the first region, so as to retain the surface relief.

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Номер записи: 79
20-06-2019 дата публикации

ELECTRONIC DEVICE AND METHOD FOR FABRICATING THE SAME

Номер: US20190189872A1
Автор: LEE Ho-Cheng, LIU YI-CHENG, Yang Wen-Wei
Принадлежит:

The present invention provides an electronic device and a method for fabricating the same. The electronic device includes a driving-circuit substrate, light-emitting elements, an optical layer, and an adhesive layer. The light-emitting elements are disposed on the driving-circuit substrate, and the optical layer is disposed on the light-emitting elements. The adhesive layer is disposed between the optical layer and the light-emitting elements. The optical layer includes a first surface and a second surface that are opposite to each other. The first surface of the optical layer has a plurality of first convex lens structures, and at least a part of the first convex lens structures are at least partially overlapped with the light-emitting elements in the vertical projection direction. 1. A method for fabricating an electronic device , comprising:providing an optical layer, wherein the optical layer comprises a first surface and a second surface opposite to each other, and the first surface has a plurality of first convex lens structures;forming an adhesive layer on the first convex lens structures;picking up a plurality of light-emitting elements by using the first convex lens structures, wherein the light-emitting elements are bonded on the first convex lens structures through the adhesive layer; andtransferring, through the optical layer, the light-emitting elements bonded by the first convex lens structures to a driving-circuit substrate.2. The method for fabricating an electronic device according to claim 1 , wherein the step of providing the optical layer comprises:injecting an optical material into a female die, wherein a first surface inside the female die has a plurality of first curved grooves corresponding to the first convex lens structures;curing the optical material inside the female die to form the optical layer; andseparating the female die from the optical layer.3. The method for fabricating an electronic device according to claim 1 , wherein the ...

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Номер записи: 80
18-06-2020 дата публикации

Optical lens assembly and electronic device

Номер: US20200195817A1
Автор: Chun-Hua TSAI, Ming-Shun Chang, Ming-Ta Chou
Принадлежит: Largan Precision Co Ltd

An optical lens assembly includes at least one dual molded lens element. The dual molded lens element has a central axis, and includes a light transmitting portion and a light absorbing portion. The light transmitting portion includes an optical effective region and a lens peripheral region, and the lens peripheral region surrounds the optical effective region. A light absorbing portion surrounds the optical effective region. The light transmitting portion and the light absorbing portion are made of different plastic materials with different colors, and the light absorbing portion includes at least three gate portions surrounding the central axis, wherein all gate portions are located on the same surface of the dual molded lens element. The light transmitting portion and the light absorbing portion of the dual molded lens element are integrally formed by the injection molding.

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Номер записи: 81
06-08-2015 дата публикации

Manufacture of truncated lenses, of pairs of truncated lenses and of corresponding devices

Номер: US20150217524A1
Автор: Alexander Bietesch, Hartmut Rudmann, Jürgen Soechtig, Nicola Spring
Принадлежит: Heptagon Micro Optics Pte Ltd

The invention relates to wafer-level manufacturing of optical devices such as modules comprising micro-lenses. In one aspect, passive optical components such as truncated lenses are manufactured by providing a substrate on which a multitude of precursor optical structures is present; and removing material from each of said multitude of precursor optical structures. Another aspect comprises a method for manufacturing a device comprising a set of at least two passive optical components, said method comprising the steps of using a tool obtained by carrying out the steps of manufacturing a precursor tool having a replication surface; and modifying said replication surface by removing material from said precursor tool. An yet another aspect comprises a method for manufacturing a device comprising a set of at least two passive optical components, wherein the method comprises the step of using a master comprising a replication surface comprising, for each of said passive optical components, a first portion describing a shape corresponding to the shape of at least a portion of the respective passive optical component, wherein the master comprises, in addition, at least one protruding portion protruding from at least one of said first portions of said replication surfaces.

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Номер записи: 82
25-06-2020 дата публикации

METHOD FOR CONDITIONING A REPLICATION TOOL AND RELATED METHOD FOR MANUFACTURING A MULTITUDE OF DEVICES

Номер: US20200200949A1
Автор: FERRARI Attilio, NG Han Nee, OPEDA Ramon, Rudmann Hartmut, Schubert Martin, Senn Tobias, Vidallon John A., Yu Qichuan
Принадлежит:

The method for manufacturing a multitude of devices comprises: 1. A method for conditioning a replication tool comprising a tool material , the method comprising applying a treatment to the tool material , the treatment comprising exposing the tool material to a conditioning material.2. The method according to claim 1 , wherein the tool material has an open porous structure.3. The method according to or claim 1 , wherein the treatment comprises letting the conditioning material permeate into the tool material.4. The method according to one of to claim 1 , wherein the tool comprises one or more replication sites claim 1 , the tool material establishing a replication surface in each of the one or more replication sites claim 1 , and wherein the treatment comprises applying the conditioning material to each of the replication surfaces claim 1 , in particular applying a separate portion of the conditioning material to each of the replication surfaces claim 1 , more particularly thereby covering each of the replication surfaces by a respective separate portion of the conditioning material.5. The method according to one of to claim 1 , wherein the tool comprises one or more replication sites claim 1 , the tool material establishing a replication surface in each of the one or more replication sites claim 1 , and wherein the treatment comprises covering the respective replication surface with the conditioning material claim 1 , in particular covering claim 1 , in addition claim 1 , a surface region of the tool material adjacent to and surrounding the respective replication surface with the conditioning material.6. The method according to one of to claim 1 , wherein the treatment comprises exposing the tool material to the conditioning material for at least thirty minutes claim 1 , in particular for at least 8 hours.7. The method according to one of to claim 1 , wherein the treatment comprises exposing the tool material to the conditioning material for a time duration which ...

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Номер записи: 83
25-06-2020 дата публикации

METHOD OF PRODUCING LENS UNIT AND LENS UNIT

Номер: US20200200953A1
Автор: Hanano Kazunari
Принадлежит: OLYMPUS CORPORATION

According to an embodiment, a method of producing a lens unit in which lens unit is formed by curing a light-transmitting resin and includes a plurality of lens portions includes: forming, by resin, a first lens portion including a first lens surface and a second lens surface; forming, by resin integrally with first lens portion, a cylindrical support portion extending in a direction parallel to an optical axis direction of first lens portion; forming, by resin integrally with support portion, a second lens portion including a third lens surface facing second lens surface and a fourth lens surface, and having an optical axis coinciding with optical axis of first lens portion; and forming a diffraction grating integrally when any one or more of first lens surface, second lens surface, third lens surface, and fourth lens surface is formed. 1. A method of producing a lens unit , the lens unit formed by curing a light-transmitting resin and including a plurality of lens portions , the method comprising:forming, by the resin, a first lens portion including a first lens surface and a second lens surface;forming, by the resin integrally with the first lens portion, a cylindrical support portion extending in a direction parallel to an optical axis direction of the first lens portion;forming, by the resin integrally with the support portion, a second lens portion including a third lens surface facing the second lens surface and a fourth lens surface, and having an optical axis coinciding with the optical axis of the first lens portion; andforming a diffraction grating integrally when any one or more of the first lens surface, the second lens surface, the third lens surface, and the fourth lens surface is formed.2. The method according to claim 1 , wherein the forming the diffraction grating forms the diffraction grating on the second lens surface or the third lens surface.3. The method according to claim 1 , wherein the forming the diffraction grating forms the diffraction ...

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Номер записи: 84
02-08-2018 дата публикации

LENS ATTACHED SUBSTRATE, LAYERED LENS STRUCTURE, MANUFACTURING METHOD THEREOF, AND ELECTRONIC DEVICE

Номер: US20180217361A1
Автор: Fujii Nobutoshi, Ishida Minoru, Itou Hiroyuki, Matsugai Hiroyasu, OHSHIMA Keiji, SAITO Suguru, SHIRAIWA Toshiaki, Tazawa Hiroshi, YOSHIOKA HIROTAKA
Принадлежит:

Substrates with lenses having lenses disposed therein are aligned with high accuracy. A stacked lens structure has a configuration in which substrates with lenses having a lens disposed on an inner side of a through-hole formed in the substrate are direct-bonded and stacked. In particular, one or more air grooves formed in surfaces of the substrates reduces an influence of air inside a void portion between adjacent lenses of a layered lens structure. 1. A lens substrate comprising:a through-hole;a lens portion formed at an inner side of the through-hole; andan air groove formed in a surface of the lens substrate, wherein the air groove is configured to direct air away from the through-hole during a manufacturing process.2. The lens substrate according to claim 1 , further comprising:a second lens substrate bonded to the lens substrate, the second lens substrate including a second through-hole; anda second lens portion formed at an inner side of the second through-hole,wherein the air groove is configured to direct air accumulated between the lens portion of the through-hole and the second lens portion of the second through-hole away from the through-hole and the second through-hole when the substrate and the second substrate are bonded together.3. The lens substrate according to claim 2 , further comprising a blocking material configured to block the air groove.4. The lens substrate according to claim 3 , wherein the blocking material is resin.5. The lens substrate according to claim 2 , wherein the air groove is formed in one of an upper surface of the lens substrate or a lower surface of the lens substrate.6. The lens substrate according to claim 2 , wherein a distance between a bottom surface of the air groove and a surface of the second lens substrate is less than a distance between a surface of the lens portion and the surface of the second lens substrate.7. The lens substrate according to claim 2 , wherein a cross-sectional shape of the air groove is one of ...

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Номер записи: 85
09-08-2018 дата публикации

LENTICULAR STRUCTURE

Номер: US20180224581A1
Автор: KONDO Yuki, TAKAYAMA Kosuke
Принадлежит: Asahi Glass Company, Limited

To provide a lenticular structure having a lenticular lens having a high size accuracy and formed on the entire main surface of a light guide plate, which includes the vicinity of an end surface. 1. A lenticular structure including a lenticular lens in which a plurality of cylindrical lenses linearly extending are arranged in parallel in one direction on at least one main surface of a glass light guide plate main body having a rectangular shape in plan view , wherein the cylindrical lenses are cured products of a UV curable resin , the light guide plate body has a plate thickness deviation (TTV) value of at most 0.2 mm , the amount of curvature in each side direction of the rectangle is at most 0.6 mm , and the difference in length between two opposing sides is within 2.5 mm.2. The lenticular structure according to claim 1 , wherein on the main surface claim 1 , the distance between the end surface of the lenticular lens and the closest end surface of the light guide plate body is more than 0 mm and at most 5 mm.3. The lenticular structure according to claim 1 , wherein in each arc in a vertical cross section of the lenticular lens claim 1 , the variation in height relative to the main surface of the arc (Δh/h×100) is at most 10% claim 1 , where h is the maximum height to the main surface of each arch claim 1 , his the average value of h claim 1 , and Δh is the difference between the maximum value hand the minimum value hin h.4. The lenticular structure according to claim 2 , wherein in each arc in a vertical cross section of the lenticular lens claim 2 , the variation in height relative to the main surface of the arc (Δh/h×100) is at most 10% claim 2 , where h is the maximum height to the main surface of each arch claim 2 , his the average value of h claim 2 , and Δh is the difference between the maximum value hand the minimum value hin h. The present invention relates to a lenticular structure including on one main surface, a lenticular lens. The lenticular ...

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Номер записи: 86
17-08-2017 дата публикации

METHOD FOR MANUFACTURING PASSIVE OPTICAL COMPONENTS, AND DEVICES COMPRISING THE SAME

Номер: US20170235026A1
Автор: Rudmann Hartmut, Tesanovic Bojan, Westenhöfer Susanne
Принадлежит: HEPTAGON MICRO OPTICS PTE. LTD.

A device comprises at least one optics member (O) comprising at least one transparent portion (t) and at least one blocking portion (b). The at least one transparent portion (t) is made of one or more materials substantially transparent for light of at least a specific spectral range, referred to as transparent materials, and the at least one blocking portion (b) is made of one or more materials substantially non-transparent for light of the specific spectral range, referred to as non-transparent materials. The transparent portion (t) comprises at least one passive optical component (L). The at least one passive optical component (L) comprises a transparent element () having two opposing approximately flat surfaces substantially perpendicular to a vertical direction in a distance approximately equal to a thickness of the at least one blocking portion (b) measured along the vertical direction, and, attached to the transparent element (), at least one optical structure (). 125-. (canceled)26. A method for manufacturing a device comprising at least one passive optical component , said method comprising:a) providing a wafer comprising at least one blocking portion and a multitude of transparent elements;wherein each of said multitude of transparent elements is made of one or more materials substantially transparent for light of at least a specific spectral range, referred to as transparent materials, and said at least one blocking portion is made of one or more materials substantially non-transparent for light of said specific spectral range, referred to as non-transparent materials;wherein one or more of the following applies:(A) a vertical extension of each of said multitude of transparent elements is at least approximately equal to a vertical extension of said at least one blocking portion;(B) the at least one blocking portion together with the transparent elements describes a solid plate-like shape with opposing flat surfaces;(C) the wafer has an extension in one ...

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Номер записи: 87
17-08-2017 дата публикации

DIFFUSER PLATE AND METHOD FOR PRODUCING DIFFUSER PLATE

Номер: US20170235028A1
Автор: HIRAI Masashi, KARAI Masaru, Uchida Atsushi
Принадлежит: KURARAY CO., LTD.

The present invention provides a diffuser plate and a method for producing a diffuser plate that can improve variations in luminance of transmitted light or reflected light in a simple structure and that enable easy design and production. The diffuser plate according to the present invention is a diffuser plate where a plurality of microlenses are placed on a principal surface, wherein a phase difference generation part is inserted between the plurality of microlenses and the principal surface, the plurality of microlenses have two or more types of lens shapes, and the number of microlenses having the two or more types of lens shapes is determined so that a quantity ratio of the two or more types of lens shapes is a specific value, each of the lens shape types is selected corresponding to each of coordinates on the principal surface in which centers of undersurfaces of the plurality of microlenses are placed, and an angle range in which the diffuse light intensity is substantially uniform is in a range of +10% to −10% of a desired angle range. 1. A diffuser plate , comprising a plurality of microlenses placed on a principal surface , wherein;a phase difference generation part is inserted between the plurality of microlenses and the principal surface,the plurality of microlenses have two or more types of lens shapes, and the number of microlenses having the two or more types of lens shapes is determined so that a quantity ratio of the two or more types of lens shapes is a specific value,each of the lens shape types is selected corresponding to each of coordinates on the principal surface in which centers of undersurfaces of the plurality of microlenses are placed,{'sup': '−2', 'when an arithmetic average of diffuse light intensity in a desired angle range in the diffuser plate is 1, a standard deviation of relative intensity of diffuse light intensity in the desired angle range is equal to or less than 9.00×10, and an angle range in which the diffuse light intensity ...

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Номер записи: 88
03-09-2015 дата публикации

Lens Array, Lens Array Laminate Body , Lens Array Manufacturing Method, Lens Array Laminate Body Manufacturing Method, And Lens Unit Manufacturing Method

Номер: US20150247959A1
Автор: Sannokyou Takashi
Принадлежит:

A convex fitting portion is provided on a center side to protrude from a support portion and thus, in an assembling process of joining the lens array to another lens array and the like, the lens array can be precisely positioned by being supported from behind. Furthermore, a fitting portion transfer surface forming the convex fitting portion forms a concave portion on the center side of a die at the time of molding of the lens array and thus a volume of a glass droplet, that is, heat capacity is increased, which is advantageous from a viewpoint of making molding of the optical surfaces and stable and highly precise, and the problems such as breakage are less likely to occur. 1. A lens array comprising:a plurality of lens portions;a support portion for supporting the plurality of lens portions in a state of being two-dimensionally aligned;a reference surface for joining provided at the support portion; anda convex fitting portion which is provided between the plurality of lens portions on a side opposite to the reference surface to protrude from the support portion and which enables positioning with respect to a holding device,wherein the lens array is formed by receiving a droplet of melting glass in a die and performing pressing.2. The lens array according to claim 1 , whereinthe fitting portion has a flat portion extending in a direction perpendicular to an optical axis of the lens portion and an inclined surface portion formed around the flat portion and inclined with respect to the optical axis of the lens portion.3. The lens array according to claim 1 , whereina height of the fitting portion in a direction of the optical axis of the lens portion is larger than that of the lens portion.4. The lens array according to claim 1 , whereinthe plurality of lens portions is arranged on lattice points, and the fitting portion has a circular contour.5. The lens array according to claim 1 , whereinthe support portion has a polygonal contour.6. The lens array according to ...

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Номер записи: 89
26-08-2021 дата публикации

ANTI-BLUE LIGHT ANTI-INFRARED RESIN LENS WITH REFRACTIVITY OF 1.50 AND PREPARATION METHOD THEREOF

Номер: US20210263197A1
Автор: Huang Jian, SHI Liangliang, WANG Chuanbao, YAN Qingbo
Принадлежит:

The present invention discloses an anti-blue light anti-infrared resin lens having a refractivity of 1.50, and a preparation method thereof. The lens comprises 100 parts by weight of CR39 resin monomer, 0.5-5 parts by weight of an initiator, and 1.0216-30.6 parts by weight of an additive, where the additive includes an anti-infrared absorber, a blue light absorber, and a hardness modifier at a weight ratio of 0.0005-0.5:0.001-10:1-10, the initiator is benzoyl peroxide, dicumyl peroxide, or 1,1-di-tert-butylperoxy-3,3,5-trimethylcyclohexane. The resin lens prepared in the present invention has both blue light absorption effect and near-infrared absorption effect and is capable of being dyed as needed to have the effect of sunglasses, while the quality of the lens is guaranteed. The resin lens is a new type of multifunctional resin lens. 1. An anti-blue light anti-infrared resin lens having a refractivity of 1.50 , comprising 100 parts by weight of CR39 resin monomer , 0.5-5 parts by weight of an initiator , and 1.0216-30.6 parts by weight of an additive , wherein the additive comprises an anti-infrared absorber , a blue light absorber , and a hardness modifier at a weight ratio of 0.0005-0.5:0.001-10:1-10 , and the initiator is benzoyl peroxide , dicumyl peroxide , or 1 ,1-di-tert-butylperoxy-3 ,3 ,5-trimethylcyclohexane.2. The anti-blue light anti-infrared resin lens with a refractivity of 1.50 according to claim 1 , comprising 100 parts by weight of CR39 resin monomer claim 1 , 1-3 parts by weight of an initiator claim 1 , and 2.216-19.33 parts by weight of an additive claim 1 , wherein the additive comprises an anti-infrared absorber claim 1 , a blue light absorber claim 1 , and a hardness modifier at a weight ratio of 0.001-0.3:0.01-5:2-8.3. The anti-blue light anti-infrared resin lens with a refractivity of 1.50 according to claim 1 , wherein the additive further comprises a dyeing modifier claim 1 , the weight ratio of the dyeing modifier to the CR39 resin ...

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Номер записи: 90
24-08-2017 дата публикации

DISPLAY PANELS WITH INTEGRATED MICRO LENS ARRAY

Номер: US20170242161A1
Автор: Li Qiming, OU Fang, ZHANG LEI
Принадлежит:

Various embodiments include a display panel with integrated micro lens array. The display panel typically includes an array of pixel light sources (e.g., LEDs) electrically coupled to corresponding pixel driver circuits (e.g., FETs). The array of micro lenses are aligned to the pixel light sources and positioned to reduce the divergence of light produced by the pixel light sources. The display panel may also include an integrated optical spacer to maintain the positioning between the micro lenses and pixel driver circuits. 1. A display panel comprising:a substrate;an array of pixel light sources that produces light;an array of pixel driver circuits that is electrically coupled to the array of pixel light sources, wherein the pixel driver circuits drive corresponding pixel light sources and each pixel light source is individually controllable; andan array of micro lenses aligned to the pixel light sources and positioned to reduce a divergence of light produced by the pixel light sources;wherein the arrays of pixel driver circuits, pixel light sources and micro lenses are all integrated on the substrate.2. The display panel of claim 1 , further comprising:an optical spacer that maintains a position of the array of microlenses relative to the array of pixel light sources, the optical spacer also integrated on the substrate.3. The display panel of claim 2 , wherein the optical spacer maintains an optical spacing from each pixel light source to the corresponding micro lens that is less than a focal length of the corresponding micro lens.4. The display panel of claim 2 , wherein light from each pixel light source propagates through the optical spacer en route to the corresponding micro lens claim 2 , and the optical spacer is transparent to the light from the pixel light source.5. The display panel of claim 4 , wherein the optical spacer is constructed from one of a transparent polymer claim 4 , a transparent dielectric or a transparent semiconductor.6. The display panel ...

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Номер записи: 91
01-09-2016 дата публикации

LENS ARRAY MODULES AND WAFER-LEVEL TECHNIQUES FOR FABRICATING THE SAME

Номер: US20160252734A1
Автор: Rossi Markus
Принадлежит:

A lens module includes a substrate, a first array of passive optical elements on the substrate, and a second array of passive optical elements separate from the first array. The optical elements of the first array and the optical elements of the second array form multiple optical channels, in which at least one optical channel is a catadioptric optical channel including a reflective optical element and a refractive optical element. The reflective optical element is arranged to reflect light toward the refractive optical element, each optical channel has a corresponding field-of-view, and the lens module has an overall field of view defined by the range of angles subtended by the field-of-view of the plurality of optical channels. 1. A lens module comprising:a substrate;a first array of passive optical elements on the substrate; anda second array of passive optical elements separate from the first array, the optical elements of the first array and the optical elements of the second array forming a plurality of optical channels, wherein at least one optical channel is a catadioptric optical channel comprising a reflective optical element and a refractive optical element, the reflective optical element being arranged to reflect light toward the refractive optical element,wherein each optical channel has a corresponding field-of-view, andwherein the lens module has an overall field of view defined by the range of angles subtended by the field-of-view of the plurality of optical channels.2. The lens module of claim 1 , wherein the field-of-view of each optical channel is smaller than the overall field-of-view.3. (canceled)4. (canceled)5. (canceled)6. The lens module of claim 1 , wherein the reflective optical element is a passive optical element from the first array claim 1 , and wherein the refractive optical element is a passive optical element from the second array.7. The lens module of claim 1 , wherein each passive optical element in the first array is configured to ...

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Номер записи: 92
30-08-2018 дата публикации

Lens substrate,semiconductor device, and electronic apparatus

Номер: US20180246258A1
Автор: Hiroshi Tazawa, Hiroyasu Matsugai, Hiroyuki Itou, Keiji Ohshima, Masaki Okamoto, Minoru Ishida, Nobutoshi Fujii, Suguru Saito, Toshiaki Shiraiwa
Принадлежит: Sony Semiconductor Solutions Corp

Influence of chipping in case of dicing a plurality of stacked substrates is reduced. Provided is a semiconductor device where a substrate, in which a groove surrounding a pattern configured with a predetermined circuit or part is formed, is stacked. The present technology can be applied to, for example, a stacked lens structure where through-holes are formed in each substrate and lenses are disposed in inner sides of the through-holes, a camera module where a stacked lens structure and a light-receiving device are incorporated, a solid-state imaging device where a pixel substrate and a control substrate are stacked, and the like.

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Номер записи: 93
23-09-2021 дата публикации

REAR PROJECTION SIMULATOR WITH FREEFORM FOLD MIRROR

Номер: US20210294199A1
Автор: Knaplund Justin King, Spiegelman Adam Kristopher
Принадлежит: FlightSafety International Inc.

The present invention provides a rear projection simulator system with a free-form fold mirror. The system includes a high definition projector and a curved screen. The free-form fold mirror is interposed between the projector and the screen. The free-form fold mirror includes one or more non-planar (e.g., curved) portions to eliminate or reduce loss of resolution of the projected image near the edges or boundaries of the image. 1. A simulator projection system comprising:a projector;a display screen for receiving images from the projector; anda free-form fold mirror interposed between the projector and the display screen, the free-form mirror including a first curved portion and a first flat portion.2. The simulator projection system of wherein the free-form mirror includes a second curved portion spaced from the first curved portion.3. The simulator projection system of wherein the first flat portion is between the first curved portion and the second curved portion.4. The simulator projection system of wherein the first curved portion has a concave cross-sectional shape with respect to the display screen.5. The simulator projection system of wherein the first curved portion has a concave cross-sectional shape with respect to the display screen and the second curved portion has a convex cross-sectional shape with respect to the display screen.6. The simulator projection system of wherein the projector is configured to project a high definition image.7. The simulator projection system of wherein the display screen is curved.8. The simulator projection system of wherein the first curved portion is positioned to affect an edge of an image from the projector.9. The simulator projection system of further comprising a flat fold mirror interposed between the projector and the display screen.10. The simulator projection system of wherein the free-form fold mirror and the flat fold mirror are slidably connected to a frame to allow for selection of one of the free-form ...

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Номер записи: 94
24-09-2015 дата публикации

Imaging optical system and method for manufacturing lens array

Номер: US20150268386A1
Автор: Masayasu Teramura, Osamu Morisaki, Takeyoshi Saiga, Yu Miyajima
Принадлежит: Canon Inc

An imaging optical system includes a plurality of lens optical system rows each including a plurality of lens optical systems arranged in a first direction. The plurality of lens optical system rows is arranged in a second direction perpendicular to the first direction and to an optical axis direction. Each of the plurality of lens optical systems in each of the plurality of lens optical system rows is configured to form an erect equal-magnification image in a cross section perpendicular to the second direction and configured to form an inverted image in across section perpendicular to the first direction. Ina cross section perpendicular to the optical axis direction, optical axes of the respective plurality of lens optical systems in adjoining ones of the plurality of lens optical system rows are separate from one another in the first direction and are located on the a line.

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Номер записи: 95
13-09-2018 дата публикации

MARKER, METHOD FOR MANUFACTURING SAME, AND OPTICAL COMPONENT

Номер: US20180259683A1
Автор: Kawamoto Yuta, OSHIMA Yuya, Saito Tomohiro, SHIOTA Mitsuaki
Принадлежит:

A transparent resin is injection molded to create a marker () as an integrally molded article (lenticular lens portion ()) including convex surfaces () and recesses () formed on the rear side of the convex surfaces. The recesses () are filled with coating films () formed by applying and curing a fluid coating material. Each recess () is arranged corresponding to a convex surface () so that the coating films () can be observed as optically distinguishable from the side of the convex surfaces (). 1. A marker comprising:a convex lens part made of a transparent resin and including a convex surface part disposed on a front surface side of the convex lens part, a first part disposed on a rear surface side of the convex lens part, and a second part disposed on the rear surface side, the first part being arranged corresponding to the convex surface part, the second part being a part other than the first part; anda coating film formed on one or both of the first part and the second part,wherein the first part is a recess or a protrusion,wherein in a cross section of the convex lens part, the recess includes a pair of walls located at opposite positions,wherein in the cross section of the convex lens part, the protrusion includes a pair of edges located at opposite positions, andwherein the coating film is formed entirely between the pair of walls of the recess or entirely between the pair of edges of the protrusion.2. The marker according to claim 1 , wherein wall surfaces of the pair of walls are perpendicular to the rear surface.3. The marker according to claim 1 ,wherein the convex lens part is a cylindrical lens part; andwherein the first part is formed in a straight-line shape along a direction of a ridgeline of the cylindrical lens part.4. The marker according to claim 3 , wherein the convex lens part is a lenticular lens part including a plurality of the cylindrical lens parts disposed parallel to one another.5. The marker according to claim 1 , wherein the convex ...

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Номер записи: 96
20-09-2018 дата публикации

DIRECT VIEW DISPLAY DEVICE AND LIGHT UNIT FOR DIRECT VIEW DISPLAY DEVICE

Номер: US20180267362A1
Автор: Gahagan Kevin Thomas, Gollier Jacques, Kuksenkov Dmitri Vladislavovich
Принадлежит:

A direct view display device includes a light unit, a collimating unit, an image display unit, and a contrast enhancement unit. The contrast enhancement unit includes opposing first and second major surfaces. The first major surface includes an array of optical elements. The second major surface includes a light absorbing layer and an array of apertures in the light absorbing layer and corresponding to the array of optical elements. The optical elements are disposed between the light unit and the light absorbing layer. The collimating unit is disposed between the light unit and the contrast enhancement unit. The image display unit is disposed between the collimating unit and the contrast enhancement unit. The contrast enhancement unit and the image display unit are arranged such that each optical element of the contrast enhancement unit is aligned with at least one corresponding pixel of the image display unit. 1. A light unit for a direct view display device , the light unit comprising:a series of light sources arranged in a row and configured to emit light, the row extending parallel to a first direction;a collimating unit disposed adjacent to the series of light sources to collimate the light in a second direction perpendicular to the first direction without substantially collimating the light in the first direction; anda diffusing unit disposed adjacent to the series of light sources to diffuse the light in the first direction parallel to the row without substantially diffusing the light in the second direction perpendicular to the row.2. The light unit of claim 1 , wherein the series of light sources comprises a first light source and a second light source directly adjacent to the first light source and spaced from the first light source by a distance X claim 1 , the diffusing unit is spaced from the series of light sources by a distance Z claim 1 , and the diffusing unit comprises a diffusion angle θ that satisfies the formula: θ>arctan(X/Z).3. The light unit ...

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Номер записи: 97
28-09-2017 дата публикации

Living camouflage achieved from a substantially transparent substrate having an array of micro-lenses on one side and a colorized patterns opposite, where the lens array interacts with the patterns to exhibit color and or form change when viewed at differing angles, and a method of manufacture same

Номер: US20170276458A1
Автор: Roberts David Eric, Scarbrough Joel Scott
Принадлежит:

An optical system providing a “living camo”, a color and form changing camouflage achieved from a substantially planar transparent base film substrate having a first side and a second side, with the first side having an optical surface composed of an array of optical micro-lenses, and with the second side having a colorized camouflage pattern, such that the lens array on the first side interacts with the colorized camouflage pattern on the second side to exhibit a color and or form change when viewed from the first side at differing angles, and a method of manufacture same. 1. A functional color changing camouflage material comprising:a substantially planar transparent base layer film with a lens array formed onto a substantial portion of a first surface of said base layer film, andcolorized patterns printed or formed onto the second surface of said base layer,wherein said colorized patterns are in frequency and alignment with said lens array such that when viewed through said first surface and viewing angle changes, areas showing predominantly color A change to predominantly color B, and areas showing predominantly color B change to predominantly color A.2. A functional color changing camouflage as in further wherein;the focal length of said lens array is between 20 and 400 microns.3. A functional color changing camouflage as in further wherein;said lens array has low reflectivity, low sheen, and or low gloss achieved by one of the following;a microscopic surface roughness to diffract light, oris made from of a polymer with inherent low reflectivity, low gloss, and or low sheen, oris coated with a low reflectivity, low gloss, and or low sheen coating, orcontains a migratory additive(s) which bloom to the surface of the lens array creating light diffusion, reducing reflectivity, sheen and or gloss.4. A functional color changing camouflage as in further wherein;said base layer consists of polymers with inherent outdoor weather resistance, such as polymethyl ...

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Номер записи: 98
29-08-2019 дата публикации

BEAM SHAPING DEVICE AND LASER OSCILLATOR

Номер: US20190265495A1
Автор: Kobayashi Nobutaka, MORITA Daiji, Nishimae Junichi, Oda Chisako
Принадлежит: Mitsubishi Electric Corporation

A beam shaping device includes an SAC and an FAC. The SAC is placed between an LD bar and the FAC. A first incident surface and a first exit surface are formed in the SAC. The first incident surface includes a plurality of incident-side lens surfaces aligned in a slow axis direction X. The incident-side lens surfaces each have, in section orthogonal to a fast axis direction Y, a shape convexed toward the outside of the SAC and, in section orthogonal to the slow axis direction X, a shape concaved toward the inside of the SAC. The shape of the first incident surface and the shape of the first exit surface in section orthogonal to the slow axis direction X are concentric arcs having a point on an emission end surface of a light emitting layer as the center. 111.- (canceled)12. A beam shaping device , which is configured to collimate a plurality of beams of laser light , each of which is emitted from one of emission end surfaces of a plurality of light emitting portions aligned in a first direction in a light emission device toward an optical axis direction orthogonal to the first direction ,the beam shaping device comprising:a first collimator lens configured to collimate at least one of the plurality of beams of laser light that diverges in a slow axis direction, which is the first direction; anda second collimator lens configured to collimate at least one of the plurality of beams of laser light that diverges in a fast axis direction, which is a second direction orthogonal to the optical axis direction and the first direction both,wherein the first collimator lens is placed between the light emission device and the second collimator lens,wherein the first collimator lens has formed therein a first incident surface, which the plurality of beams of laser light enter, and a first exit surface, from which the plurality of beams of laser light exit,wherein the first incident surface includes a plurality of incident-side lens surfaces aligned in the first direction,wherein ...

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Номер записи: 99
25-12-2014 дата публикации

OPTIONALLY TRANSFERABLE OPTICAL SYSTEM WITH A REDUCED THICKNESS

Номер: US20140376091A1
Автор: Cape Samuel M., Gosnell Jonathan D., Jordan Gregory R., Kennedy Caroline B., Palm Scott K.
Принадлежит: VISUAL PHYSICS, LLC

An optionally transferable optical system with a reduced thickness is provided. The inventive optical system is basically made up of a synthetic image presentation system in which one or more arrangements of structured image icons are substantially in contact with, but not completely embedded within, one or more arrangements of focusing elements. The focusing element and image icon arrangements cooperate to form at least one synthetic image. By way of the subject invention, the requirement for an optical spacer to provide the necessary focal distance between the focusing elements and their associated image icon(s) is removed. As a result, overall system thicknesses are reduced, suitability as a surface-applied authentication system is enabled, and tamper resistance is improved. 1. An optionally transferable optical system with a reduced thickness , which comprises a synthetic image presentation system made up of one or more arrangements of structured image icons substantially in contact with , but not completely embedded within , one or more arrangements of focusing elements , wherein the one or more arrangements of image icons and the one or more arrangements of focusing elements cooperate to form at least one synthetic image of at least a portion of the image icons , wherein interstitial space between focusing elements in the one or more arrangements of focusing elements does not contribute to the formation of the at least one synthetic image.2. The optionally transferable optical system of claim 1 , wherein the structured image icons are formed from: voids in a substantially planar structure claim 1 , wherein the voids are optionally filled or coated with another material; raised areas in a substantially planar structure; or combinations thereof.3. The optionally transferable optical system of claim 1 , wherein the thickness of the system is less than 50 microns claim 1 , and wherein the interstitial space between the focusing elements in the one or more ...

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Номер записи: 100