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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 2899. Отображено 100.
05-01-2012 дата публикации

Non-focal optical power limiting polymeric materials

Номер: US20120002312A1
Автор: Abhijit Sarkar, George Rayfield, Salma Rahman, Shamim Mirza
Принадлежит: Oxazogen Inc

This invention concerns a solid polymer matrix for use as non-focal optical power limiting polymeric materials. This matrix contains: (1) a hyperbranched polymer family, especially HB-PCS OR HB-PU, HB-PUSOX or PC; (2) one or more of RSA dye, MPA dye, azo dye or DMNPAA; 3) CNT and 4) a self-focusing component. This solid polymer matrix provides efficient protection from laser beam damage along with its self-focusing mechanism.

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Номер записи: 1
16-02-2012 дата публикации

Dynamic nano-inscribing for continuous and seamless metal and polymer nanogratings

Номер: US20120038085A1
Автор: Lingjie Jay Guo, Se Hyun Ahn
Принадлежит: University of Michigan

Nanoscale grating structure can be utilized in many practical applications in optics, flat-panel displays and bio-sensors. A Dynamic Nano-Inscribing (Dynamic Nano-Inscribing) technique is disclosed for directly creating large-area, truly continuous nano-grating patterns in a variety of metal or polymer materials with feature size down to sub-50 nm and at very high speed (10 cm/sec). Dynamic Nano-Inscribing is carried out under either ambient temperature or with a brief heating time on the order of ten microseconds, which minimizes damage on UV or thermo-sensitive functional materials.

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Номер записи: 2
07-06-2012 дата публикации

Reflection type display device

Номер: US20120140305A1
Автор: Hiroaki Shigeta, Yuhji Yashiro
Принадлежит: Sharp Corp

A reflection type display device ( 10 ) includes: a plasmon resonance layer ( 32 ) in which metal nanoparticles ( 80 ) are dispersed; a band-pass filter ( 40 ); a light shutter ( 20 ); and a silicon solar cell layer ( 50 a ) being provided close to the plasmon resonance layer ( 32 ). The band-pass filter ( 40 ) and the light shutter ( 20 ) are provided so as to overlap the plasmon resonance layer ( 32 ) in planar view. The reflection type display device ( 10 ) performs display in such a manner that: the metal nanoparticles ( 80 ) allow light having a specific wavelength to pass through; the light is then reflected by the band-pass filter ( 40 ); and the light shutter ( 20 ) adjusts an intensity of the light thus reflected.

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Номер записи: 3
26-07-2012 дата публикации

Optical materials, optical components, and methods

Номер: US20120187367A1
Автор: John R. Linton, Patrick Landreman, Rohit Modi
Принадлежит: QD Vision Inc

An optical component including an optical material comprising quantum confined semiconductor nanoparticles, wherein at least a portion of the nanoparticles are in a charge neutral state. Further disclosed is an optical component including an optical material comprising quantum confined semiconductor nanoparticles, wherein at least a portion of the nanoparticles are in a charge neutral state, and wherein the optical material is at least partially encapsulated. Methods, optical materials, and devices are also disclosed.

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Номер записи: 4
06-09-2012 дата публикации

Sol-gel based antireflective (ar) coatings with controllable pore size using organic nanocrystals and dendrimers

Номер: US20120225215A1
Автор: Nikhil D. Kalyankar
Принадлежит: Intermolecular Inc

Embodiments of the invention relate generally to methods and compositions for forming porous low refractive index coatings on substrates. In one embodiment, a method for forming a porous coating on a substrate is provided. The method comprises coating a substrate with a sol-gel composition, comprising at least one porosity forming agent, wherein the porosity forming agent is selected from at least one of dendrimers and organic nanocrystals and removing the at least one porosity forming agent to form the porous coating. Use of at least one of the dendrimers and organic nanocrystals leads to the formation of stable pores with larger volume fraction in the film. Further, the size and interconnectivity of the pores may be controlled via selection of the organic nanocrystal or dendrimer structure, the total organic nanocrystal or dendrimer molecule fraction, polarity of the organic nanocrystal or dendrimer molecule and solvent, and other physiochemical properties of the gel phase.

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Номер записи: 5
13-09-2012 дата публикации

Anti-Reflection Optical Element and Method for Manufacturing Anti-Reflection Optical Element

Номер: US20120229906A1
Автор: Masaaki Miyahara, Minoru Shibuya, Terufusa Kunisada
Принадлежит: Tamron Co Ltd

An object of the present invention is to provide an anti-reflection optical element excellent in durability in the environment high-temperature and high-humidity and scratch resistance while maintaining the anti-reflection performance of a concave-convex nanostructure. To achieve the object, an anti-reflection optical element 1 comprising a concave-convex nanostructure 20 that reduces reflection of incident light on an optical surface 11 of a base optical element 1 comprising a cover layer 30 made of a light-transmitting material that covers an outer surface of the concave-convex nanostructure 20 , wherein a peak of convex portion 21 of the concave-convex nanostructure 20 is covered with the cover layer 30 in the state where a space 40 is provided between the cover layer 30 and concave portions 22 of the concave-convex nanostructure 20 is employed.

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Номер записи: 6
27-12-2012 дата публикации

Composite with nano-structured layer

Номер: US20120328829A1
Автор: Brant U. Kolb, John D. Le, Kalc C. Vang, Moses M. David, Robert C. Fitzer, Ta-Hua Yu
Принадлежит: 3M Innovative Properties Co

Nano-structured layers having a random nano-structured anisotropic major surface.

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Номер записи: 7
01-08-2013 дата публикации

Method of making coated article including anti-reflection coating with double coating layers including mesoporous materials, and products containing the same

Номер: US20130194668A1
Автор: Liang Liang, Mark A. Lewis, Minh Huu Le, Nikhil Kalyankar, Richard Blacker
Принадлежит: Guardian Industries Corp

Certain examples relate to a method of making an antireflective (AR) coating supported by a glass substrate. The anti-reflection coating may include porous metal oxide(s) and/or silica, and may be produced using a sol-gel process. The pores may be formed and/or tuned in each layer respectively in such a manner that the coating ultimately may comprise a porous matrix, graded with respect to porosity. The gradient in porosity may be achieved by forming first and second layers using one or more of (a) nanoparticles of different shapes and/or sizes, (b) porous nanoparticles having varying pore sizes, and/or (c) compounds/materials of various types, sizes, and shapes that may ultimately be removed from the coating post-deposition (e.g., carbon structures, micelles, etc., removed through combustion, calcination, ozonolysis, solvent-extraction, etc.), leaving spaces where the removed materials were previously located.

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Номер записи: 8
22-08-2013 дата публикации

Anti-reflective coating film

Номер: US20130215514A1
Автор: Heon Kim, Jae-Pil Koo, Joon-Koo Kang, Yeong-Rae Chang
Принадлежит: LG Chem Ltd

The present invention relates to an anti-reflective coating film. This anti-reflective coating film shows more improved interface adhesion and scratch resistance, which can be manufactured by a simple process.

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Номер записи: 9
22-08-2013 дата публикации

Method for manufacturing anti-reflective coating film

Номер: US20130216729A1
Автор: Heon Kim, Yeong-Rae Chang
Принадлежит: LG Chem Ltd

The present invention relates to a method for manufacturing an anti-reflective coating film. The method for manufacturing an anti-reflective coating film is used to form an anti-reflective coating film exhibiting more improved interface adhesion and scratch resistance and excellent anti-reflective effect by a simple process.

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Номер записи: 10
05-09-2013 дата публикации

Graded index metamaterial lens

Номер: US20130229704A1
Автор: Igor I. Smolyaninov
Принадлежит: BAE Systems Information and Electronic Systems Integration Inc

A lens with a graded index of refraction is presented. The lens is formed out of a sheet of material having a uniform thickness with a top surface and a bottom surface. Elongated openings are formed in the top surface extending downwardly to the bottom surface. Material of the elongated sheet is left between adjacent openings. A width of the material between adjacent openings is less than a wavelength of electromagnet energy the lens is configured to refract. The density and distribution openings varies across the sheet of material so that the refractive index of the lens varies across the sheet of material.

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Номер записи: 11
02-01-2014 дата публикации

Multilayer nanostructured articles

Номер: US20140004304A1
Автор: Kalc C. Vang, Moses M. David, Ta-Hua Yu
Принадлежит: 3M Innovative Properties Co

Articles comprising a substrate, a first layer comprising polymeric material with nanoparticles protruding from a major surface thereof, and away from the substrate, and a second layer having major surface is a first nanostructured. Embodiments of the articles are useful for display applications (e.g., liquid crystal displays (LCD), light emitting diode (LED) displays, or plasma displays); light extraction; electromagnetic interference (EMI) shielding, ophthalmic lenses; face shielding lenses or films; window films; antireflection for construction applications; and, construction applications or traffic signs.

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Номер записи: 12
30-01-2014 дата публикации

Optical filters, their production and use

Номер: US20140029108A1
Автор: Matthias Bockmeyer, Ralf Biertuempfel
Принадлежит: SCHOTT AG

Optical filters, their production and their uses are provided. The optical filters have heat-resistant, mechanically stable absorption layers or filter layers. The optical filters can be absorption filters or ND filters. The filter layer includes filter particles dispersed in a matrix. The filter particles have a constant absorption over a wide wavelength range. The matrix includes a heat-resistant binder.

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Номер записи: 13
06-02-2014 дата публикации

Antireflective coatings with controllable porosity and durability properties using controlled exposure to alkaline vapor

Номер: US20140037841A1
Автор: Nikhil Kalyankar, Scott A. Jewhurst
Принадлежит: Intermolecular Inc

In some embodiments, the present invention discloses methods and apparatuses for making coated articles comprising exposing the coated layer to vapor-phase agents to modify its properties, such as the bonding and distribution of the coating mass. The coated layer is a porous solid layer, deposited via methods such as sol-gel, physical or chemical vapor deposition, aerosol deposition, or other methods capable of depositing a porous solid coating, with or without further processing such as curing or heat treatment.

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Номер записи: 14
27-03-2014 дата публикации

Forward-imaging optical coherence tomography (oct) systems and probes

Номер: US20140083970A1
Автор: Jonathan C. Condit, Karthik Kumar, Nathaniel J. Kemp, Thomas E. Milner, Xiaojing Zhang
Принадлежит: University of Texas System

Provided are forward-imaging optical coherence tomography (OCT) systems and probes.

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Номер записи: 15
06-01-2022 дата публикации

Method for Forming and Patterning Color Centers

Номер: US20220002555A1
Автор: Andrew E. GONZALEZ, Matthew A. GEBBIE, Nicholas Alexander Melosh, Patrick MCQUADE
Принадлежит: Leland Stanford Junior University

This disclosure enables the generation and patterning of color centers with nanometer-scale spatial control in a variety of materials in repeatable fashion and without the use of radiation. Embodiments in accordance with the present disclosure employ a layer of vacancy-injection material disposed on a host-material, where the vacancy-injection material forms a compound with host-material atoms at elevated temperatures. During compound formation, lattice vacancies are generated in the host material and diffuse within the substrate lattice to bond with impurity atoms, thereby forming color centers. High-resolution lithographic patterning of the vacancy-injection film and the short diffusion lengths of the lattice vacancies enables nanometer-level spatial control over the lateral positions of the color centers. Furthermore, the depth of the color centers in the substrate can be controlled by controlling the coating material, thickness, anneal time, and anneal temperature.

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Номер записи: 16
07-01-2021 дата публикации

HIGH-DEFINITION FLICKER-FREE ETCHED GLASS, MANUFACTURING PROCESS THEREFOR, AND APPLICATION THEREOF

Номер: US20210002166A1
Автор: LU Zhang, QIC Zongcai, ZU Jicai
Принадлежит:

A high-definition flicker-free etched glass, having a glossiness of 110-145, a haze of 3-10, and a definition of 90%-99.5%. The front surface of the glass is an irregular concave-convex lens surface having an average roughness of 0.025 μm-0.050 μm and provided with dents and bumps; the average chord length of the dents is 1.8 μm-10.0 μm; the average depth from the bottom of the dent to the top of the bump is 0.2 μm-0.7 μm; the average chord length of the bumps is 0.1 μm-0.5 μm; when a 250 μm*250 μm area on the front surface of the glass is observed after being amplified 500 times, there are 800-2500 irregular bumps, and the irregular bumps form an array of micro-convex lenses. By means of a sandblasting etching process, the spherical radius of each bump on the front surface of the etched glass is reduced and the focal length of each micro-convex lens is shortened, so that the focal point of light is closer to the surface of the glass, brightness of a high-pixel display device is brighter and more uniform, and it is not prone to see flicker of the focus point by the naked eye any more. 1. A high-definition flicker-free etched glass , having a glossiness of 110-145 , haziness of 3-10 , and distinctness of image of 90%-99.5%; a front surface of the etched glass is a glass surface with irregular unevenness having depressions and projections; said front surface of the etched glass has an average roughness of 0.025 μm-0.050 μm; an average chord length of the depressions is 1.8 μm-10.0 μm , an average depth from a bottom point of each depression to a top point of an adjacent projection is 0.2 μm-0.7 μm; an average chord length of the projections is 0.1 μm˜0.5 μm; said front surface of the etched glass , when observed under 500 times enlargement , has 800 to 2500 of the projections irregularly configured within a 250 μm×250 μm region; the irregularly configured projections constitute an array of microconvex lenses.2. A high-definition anti-glare and flicker-free display ...

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Номер записи: 17
13-01-2022 дата публикации

ANTI-GLARE SUBSTRATE FOR A DISPLAY ARTICLE INCLUDING A TEXTURED REGION WITH PRIMARY SURFACE FEATURES AND SECONDARY SURFACE FEATURES IMPARTING A SURFACE ROUGHNESS THAT INCREASES SURFACE SCATTERING

Номер: US20220009824A1
Автор: Feng Jiangwei, Isaac Corinne Elizabeth, Li Shenping, Senaratne Wageesha, Wood William Allen
Принадлежит:

A substrate for a display article is described herein that includes (a) a primary surface; and (b) a textured region on at least a portion of the primary surface; the textured region comprising: (i) primary surface features, each comprising a perimeter parallel to a base-plane extending through the substrate disposed below the textured region, wherein the perimeter of each of the primary surface features comprises a longest dimension of at least 5 μm; and (ii) one or more sections each comprising secondary surface features having a surface roughness (R) within a range of 5 nm to 100 nm. In some instances, an arrangement of the surface features reflect a random distribution. A method of forming the same is disclosed. 1. A substrate for a display article , the substrate comprising:a primary surface; anda textured region on at least a portion of the primary surface; primary surface features, each comprising a perimeter parallel to a base-plane extending through the substrate disposed below the textured region, wherein the perimeter of each of the primary surface features comprises a longest dimension of at least 5 μm; and', {'sub': 'a', 'one or more sections each comprising secondary surface features having a surface roughness (R) within a range of 5 nm to 100 nm.'}], 'the textured region comprising2. The substrate of claim 1 , whereinthe primary surface features form a pattern.3. The substrate of claim 1 , whereinthe longest dimension of each of the primary surface features is about the same.4. The substrate of claim 1 , whereinan arrangement of the surface features reflect a random distribution.5. The substrate of claim 1 , whereinthe perimeter of each primary surface features is elliptical.6. The substrate of claim 1 , whereinthe perimeter of each primary surface features is circular.7. The substrate of claim 1 , whereineach primary surface feature provides a surface, and the surface is either concave or convex.8. The substrate of claim 1 , wherein the textured ...

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Номер записи: 18
07-01-2021 дата публикации

CORE-SHELL PARTICLES AND METHODS OF MAKING AND USING THEREOF

Номер: US20210003754A1
Автор: Chen Paul, Gu Frank, Krishnakumar Harish
Принадлежит:

Described are core-shell particles which exhibit tunable photophysical properties, allowing them to absorb, scatter, and/or extinguish specific wavelengths of light (e.g., specific wavelengths of blue light). The core-shell particles can be incorporated as tunable optical filters in optically transparent substrates to produce devices, including ophthalmic devices such as contact lenses. 1. A population of core-shell particles , each of the core-shell particles comprising:a plasmonic nanoparticle core comprising a noble metal; anda shell comprising a dielectric material surrounding the plasmonic nanoparticle core;wherein the population of core-shell particles exhibits a maximum absorption value in a range of from 400 nm to 500 nm; andwherein the population of core-shell particles exhibits an absorption spectrum having a full-width at half maximum of from 20 nm to 75 nm.2. The particles of claim 1 , wherein the population of core-shell particles exhibits a maximum absorption value in a range of from 400 nm to 460 nm.3. The particles of claim 1 , wherein the wherein the noble metal comprises silver.4. The particles of claim 1 , wherein the dielectric material comprises silicon dioxide.5. The particles of claim 1 , wherein the plasmonic nanoparticle core has an average particle size of from 5 nm to 100 nm claim 1 , as measured by transmission electron microscopy (TEM).6. The particles of claim 1 , wherein the plasmonic nanoparticle core has an average particle size of from 20 nm to 60 nm claim 1 , as measured by transmission electron microscopy (TEM).7. The particles of claim 1 , wherein the plasmonic nanoparticle cores have a monodisperse particle size distribution.8. The particles of claim 1 , wherein the plasmonic nanoparticle cores have a homogenous particle shape.9. The particles of claim 8 , wherein the plasmonic nanoparticle cores have a polyhedral shape.10. The particles of claim 9 , wherein the plasmonic nanoparticle cores have a cubic shape claim 9 , an ...

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Номер записи: 19
03-01-2019 дата публикации

OPTICAL FILTER, OPTICAL DEVICE, AND METHOD FOR PRODUCING OPTICAL FILTER

Номер: US20190004222A1
Автор: HWANG Gyu Weon, KIM Won Mok, Lee Kyeong Seok
Принадлежит: SAMSUNG ELECTRONICS CO., LTD.

Provided is an optical filter including a first filter region including a first layer of a first refractive index and a plurality of first metal nanostructures in the first layer, and a second filter region including a second layer of a second refractive index and a plurality of second metal nanostructures in the second layer, wherein the first refractive index is different from the second refractive index. 1. An optical filter comprising:a first filter region comprising a first layer of a first refractive index and a plurality of first metal nanostructures in the first layer; anda second filter region comprising a second layer of a second refractive index and a plurality of second metal nanostructures in the second layer,wherein the first refractive index is different from the second refractive index.2. The optical filter of claim 1 , wherein configuration materials added to an identical material are different or a concentration of a configuration material added to the identical material is changed so as to make the first and second refractive indexes different.3. The optical filter of claim 1 , wherein the first filter region and/or the second filter region have/has a plurality of metal nanostructures embedded in a dielectric material.4. The optical filter of claim 1 , wherein the first metal nanostructure and the second metal nanostructure are an identical material or have an identical shape.5. The optical filter of claim 1 , wherein the first metal nanostructure and the second metal nanostructure are different materials or have different shapes.6. The optical filter of claim 1 , wherein the first metal nanostructure is nanospheres claim 1 , nanorods claim 1 , nanoplates claim 1 , nanoplatelets claim 1 , nanoparticles claim 1 , nanotripods or nanotetrapods claim 1 , and the second metal nanostructure is nanospheres claim 1 , nanorods claim 1 , nanoplates claim 1 , nanoplatelets claim 1 , nanoparticles claim 1 , nanotripods or nanotetrapods.7. An optical filter ...

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Номер записи: 20
04-01-2018 дата публикации

ELECTRONIC ELEMENT AND DISPLAY

Номер: US20180006092A1
Автор: Banin Uri, Boehm Edgar, Hilarius Volker, Pflumm Christof, Rieger Bernhard
Принадлежит:

The present invention relates inter alia to a color display comprising nanoparticles and color filters. 1. Electronic element comprising{'b': 100', '101', '102', '103, 'a) a pixelated organic electroluminescent device comprising a first , a second , and a third light emitting pixel that are identical, but that are electronically controlled separately.'}{'b': 201', '151', '101', '201, 'b) a first color converter layer disposed in the light output path of the first pixel , wherein the color converter layer comprises at least one light emitting semiconducting nanoparticle acting as first color converter;'}{'b': 301', '251', '201, 'c) a first color filter layer disposed in the light output path of the first color converter layer comprising a first color filter.'}2301201. The electronic element according to claim 1 , characterized in that the first color filter layer comprises a red color filter as first color filter and the first color converter layer comprises a red light emitting semiconducting nanoparticle as first color converter.3302102. The electronic element according to claim 1 , characterized in that a second color filter layer comprising a second color filter is disposed in the light output path of the second pixel claim 1 , preferably the second color filter is a green color filter.4303103. The electronic element according to claim 1 , characterized in that a third color filter layer comprising a third color filter is disposed in the light output path of the third pixel claim 1 , preferably the third color filter is a blue color filter.5501. The electronic element according to claim 1 , characterized in that the first color filter and the first color converter are located in the same layer as first combined layer .6104. The electronic element according to claim 1 , characterized in that the display comprises a fourth pixel .7. The electronic element according to claim 1 , characterized in that the pixels of the pixelated organic electroluminescent device emit ...

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Номер записи: 21
08-01-2015 дата публикации

HYDROPHILIC MACROMERS AND HYDROGELS COMPRISING THE SAME

Номер: US20150011669A1
Автор: Bhat Shreedhar, Phukan Monjit, Saxena Anubhav
Принадлежит:

A hydrophilic silicone macromer composition suitable for use in producing hydrogel polymer films from which biomedical devices such as contact lenses can be made. The hydrophilic silicone macromer comprises a polyether backbone comprising a silicone-containing pendant group. In one aspect, a hydrophilic silicone macromer is of the Formula 1: 2. The composition of claim 1 , wherein the hydrophilic silicone macromer has a structure according to the formula R(CHCHO)(CH(CH)CHO)(CH[(CH)R]CHO)R.3. The composition of claim 2 , where Ris a group defined as MDTQRwith M=RRRSi(O); D=RSi(O)(CH); f=2; g=1; h=0; i=0; j=1; and R=—(CH)R(CH).4. The composition of claim 2 , where Ris a group defined as MDTQRwith M=RRRSi(O); T=Si(O)(CH); f=3; g=0; h=1; i=0; j=1; and R=—(CH)R(CH)—.5. The composition of claim 2 , where Ris a group defined as RRRSiO(Si(R)(R)O)Si(R)(R)(CH); and where 0≦1≦200.11. The composition of claim 1 , wherein the composition is a hydrogel.12. The composition of claim 11 , wherein the hydrogel further comprises a monomer chosen from a vinylic monomer claim 11 , an acrylide monomer claim 11 , an acrylic monomer claim 11 , or a combination of two or more thereof; a free radical initiator; and optionally a cross-linker.13. The composition of claim 12 , wherein the vinylic monomer is chosen from N-vinyl-pyrrolidone (NVP) claim 12 , N-vinyl-caprolactam claim 12 , N-vinyl-acetamide claim 12 , N-vinyl-formamide and N-vinyl-isopropylamide claim 12 , vinyl benzene claim 12 , vinyl naphthalene claim 12 , vinyl pyridine claim 12 , vinyl alcohol claim 12 , a vinyl containing silicone claim 12 , or a combination of two or more thereof.14. The composition of claim 9 , wherein the acrylic monomers are chosen from 2-hydroxy-ethyl-methacrylate (HEMA) claim 9 , 2-hydroxy-ethyl-acrylate (HEA) claim 9 , hydroxyl propyl methacrylate claim 9 , trimethylammonium 2-hydroxy propyl methacrylate hydrochloride claim 9 , dimethylaminoethyl methacrylate claim 9 , glycerol methacrylate claim 9 , N ...

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Номер записи: 22
08-01-2015 дата публикации

ORGANO-MODIFIED SILICONE POLYMERS AND HYDROGELS COMPRISING THE SAME

Номер: US20150011671A1
Автор: Bhat Shreedhar, Naik Sandeep Shashikant, Phukan Monjit, Saxena Anubhav
Принадлежит:

A hydrophilic silicone polymer composition suitable for use in producing hydrogel polymer films disclosed. In one aspect, a hydrophilic silicone monomer is of the Formula 1: 2. The polymer in the composition of claim 1 , wherein L is a hydrophilic residue chosen from a polyalkyleneoxide claim 1 , optionally a polyalkyleneoxide chosen from —CHCHO— claim 1 , —CHCH(CH)O— claim 1 , —CHCHCHO— claim 1 , and their analogues with up to 6 carbon atoms.4. The polymer in the composition of wherein R claim 1 , R claim 1 , R claim 1 , R claim 1 , R claim 1 , R claim 1 , R claim 1 , R claim 1 , and Rin the unit G of group E are independently selected from a hydrocarbon radical chosen from methyl claim 1 , ethyl claim 1 , propyl claim 1 , iso-propyl claim 1 , butyl claim 1 , isobutyl claim 1 , phenyl claim 1 , naphthyl claim 1 , an aralkyl radical with 8 to 20 carbon atoms claim 1 , trifluoromethylpropyl claim 1 , and combinations of two or more thereof.6. The polymer in the composition of claim 1 , where Rand Rare hydrogen claim 1 , Ris chosen from hydrogen or a methyl radical claim 1 , and Ris a part of an ethylenically-unsaturated hydrophilic monomer or a hydrophobic monomer.7. The composition of claim 1 , wherein siloxane polymer has at least one terminal reactive group.8. The composition of where the siloxane polymer is (a) a homopolymer or (b) a copolymer.9. The composition of claim 8 , wherein the polymer is a copolymer further comprising a free-radical polymerizable organic monomer chosen from a vinylic monomer claim 8 , an acrylide monomer claim 8 , an acrylic monomer claim 8 , or a combination of two or more thereof.10. The copolymer of claim 8 , wherein the vinylic monomer is chosen from N-vinyl-pyrrolidone claim 8 , N-vinyl-caprolactam claim 8 , N-vinyl-acetamide claim 8 , N-vinyl-formamide and N-vinyl-isopropylamide claim 8 , vinyl benzene claim 8 , vinyl naphthalene claim 8 , vinyl pyridine claim 8 , vinyl alcohol claim 8 , vinyl containing silicones claim 8 , or a ...

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Номер записи: 23
08-01-2015 дата публикации

Silicone hydrogels having a structure formed via controlled reaction kinetics

Номер: US20150011672A1
Автор: Azaam Alli, Douglas G. Vanderlaan, James D. Ford, Scott L. Joslin
Принадлежит: Johnson and Johnson Vision Care Inc

The present invention relates to a process comprising the steps of reacting a reactive mixture comprising at least one silicone-containing component, at least one hydrophilic component, and at least one diluent to form an ophthalmic device having an advancing contact angle of less than about 80°; and contacting the ophthalmic device with an aqueous extraction solution at an elevated extraction temperature, wherein said at least one diluent has a boiling point at least about 10° higher than said extraction temperature.

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Номер записи: 24
14-01-2021 дата публикации

SILICONE HYDROGEL CONTACT LENSES

Номер: US20210009762A1
Автор: Breitkopf Richard Charles, Chang Frank, Ge Junhao, Jing Feng, Kumi Augustine Twum, Lang Weihong, Munoz Zach, Nelson Matthew D., Qian Xinming, Wu Daqing, Zhang Steve Yun, Zheng Ying
Принадлежит:

The present invention generally relates to inherently wettable silicone hydrogel contact lenses having relatively high oxygen permeability, relatively high equilibrium water content and relatively low elastic modulus. The present invention is also related to a method for making such inherently wettable silicone hydrogel contact lenses. 147-. (canceled)49. The silicone hydrogel contact lens of claim 48 , wherein the silicone hydrogel bulk material comprises at least 9.0 mmole of the third repeating units per gram of all the first claim 48 , second and fourth repeating units in total.50. The silicone hydrogel contact lens of claim 48 , wherein the silicone hydrogel bulk material comprises at least 9.2 mmole of the third repeating units per gram of all the first claim 48 , second and fourth repeating units in total.51. The silicone hydrogel contact lens of claim 48 , wherein the silicone hydrogel bulk material comprises at least 9.6 mmole of the third repeating units per gram of all the first claim 48 , second and fourth repeating units in total.52. The silicone hydrogel contact lens of claim 48 , wherein the silicone hydrogel bulk material comprises at least 0.15 meqs of all the first claim 48 , second claim 48 , third and fourth H-donor moieties in total per gram of the third repeating units.53. The silicone hydrogel contact lens of claim 48 , wherein the silicone hydrogel bulk material comprises at least 0.20 meqs of all the first claim 48 , second claim 48 , third and fourth H-donor moieties in total per gram of the third repeating units.54. The silicone hydrogel contact lens of claim 48 , wherein the silicone hydrogel bulk material comprises at least 0.25 meqs of all the first claim 48 , second claim 48 , third and fourth H-donor moieties in total per gram of the third repeating units.55. The silicone hydrogel contact lens of claim 48 , wherein the silicone hydrogel contact lens has a water-break-up-time of at least 15 seconds without being subjected to any post- ...

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Номер записи: 25
09-01-2020 дата публикации

LAYERED ELEMENT MADE OF TRANSPARENT LAYERS PROVIDING DIRECTIONAL DIFFUSE REFLECTION

Номер: US20200012180A1
Автор: Gayout Patrick, OZANAM Cecile, Schiavoni Michele
Принадлежит:

A transparent layered element includes two transparent external layers having substantially the same refractive index and each having a smooth external main surface, and a central layer intermediate between the external layers, the central layer including at least one transparent layer of refractive index different from that of the external layers or a metal layer. All the contact surfaces between two adjacent layers of the layered element, one of the two layers of which is a metal layer, or that are two transparent layers of different refractive indices, being textured and parallel to one another, the diffuse light reflection of the layered element on the side of at least one of the external layers having at least one maximum in a direction different from the direction of specular reflection. In addition, the surface of the layered element is divided into a plurality of pixels of same size. 1. A transparent layered element comprising:two transparent external layers having substantially the same refractive index and each having a smooth external main surface, anda central layer intermediate between the external layers, the central layer including at least one transparent layer of refractive index different from that of the external layers or a metal layer,all the contact surfaces between two adjacent layers of the layered element, one of the two layers of which is a metal layer, or that are two transparent layers of different refractive indices, being textured and parallel to one another,wherein, for radiation incident on one side of the layered element, the diffuse light reflection of the layered element has at least one maximum in a direction different from the direction of specular reflection,{'sub': pix', 'tot, 'and wherein a surface of the layered element is divided into a plurality of pixels of same size, each pixel having at least one side of length smaller than or equal to 500 μm, the texture of each textured contact surface within each pixel having a slope ...

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Номер записи: 26
10-01-2019 дата публикации

STATE-CHANGEABLE DEVICE

Номер: US20190013073A1
Автор: Loertscher Emanuel
Принадлежит:

A state-changeable device includes a first and a second particle arranged in proximity to each other; and a coupling material between the first and the second particle; wherein the first and the second particle are adapted to provide a charge carrier distribution such that surface plasmon polaritons (SPP) occur; and the coupling material is adapted to exhibit a variable conductivity in response to a trigger signal thereby changing an electro-optical coupling between the first and the second particle. 1. A method , comprising:providing a first particle and a second particle arranged in proximity to each other; andelectro-optically coupling the first particle and the second particle through a coupling material, wherein the first particle and the second particle are adapted to provide a charge carrier distribution such that surface plasmom polaritons (SPPs) occur.2. The method of claim 1 , wherein the coupling material is adapted to exhibit a variable conductivity in response to a trigger signal.3. The method of claim 2 , further comprising:assigning a first memory state to a first SPP configuration; andassigning a second memory state to a second SPP configuration.4. The method of claim 2 , wherein the first particle and the second particle are arranged such that a first SPP configuration corresponds to a first electro-optical coupling between the first particle and the second particle.5. The method of claim 4 , wherein the second particle and a second SPP configuration corresponds to a second electro-optical coupling between the first particle and the second particle.6. The method of claim 2 , wherein the trigger signal is selected from the group consisting of: electromagnetic radiation claim 2 , light claim 2 , visible light claim 2 , ultraviolet light and infrared radiation.7. The method of claim 2 , wherein the trigger signal is selected from the group consisting of: an electric field claim 2 , a magnetic field claim 2 , an electromagnetic field and a time-varying ...

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Номер записи: 27
10-01-2019 дата публикации

Multifunctional hierarchical nano and microlens for enhancing extraction efficiency of oled lighting

Номер: US20190013496A1
Автор: Hoo Keun PARK, Sang Hoon Kim
Принадлежит: SABIC Global Technologies BV

The process includes forming an imprinting template having patterning features, imprinting a polymeric material with the imprinting template, and removing the imprinting template to form the nano-patterned microlens. The process of forming an imprinting template includes preparing a self-assembled monolayer on a support substrate, forming a patterned support substrate, wherein the patterned support substrate includes patterning features corresponding to the imprinting template and fabricated nano-patterned microlens, applying a liquid resin composition to the patterned support substrate and curing the resin composition and removing the patterned support substrate from the cured resin composition.

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Номер записи: 28
03-02-2022 дата публикации

DOUBLE-SIDED ADHESIVE LAYER-EQUIPPED OPTICAL LAMINATE

Номер: US20220033687A1
Автор: Hattori Daisuke, Kishi Atsushi, Morishima Ryota
Принадлежит: NITTO DENKO CORPORATION

There is provided an optical laminate with pressure-sensitive adhesive layers on both surfaces, which is suppressed damage from occurring to a low-refractive index layer in vacuum lamination while maintaining excellent characteristics of the low-refractive index layer. An optical laminate with pressure-sensitive adhesive layers on both surfaces according to an embodiment of the present invention comprises: a substrate; a low-retractive index layer formed on the substrate; a first pressure-sensitive adhesive layer arranged so as to be adjacent to the low-refractive index layer; and a second pressure-sensitive adhesive layer serving as one outermost layer. The low-refractive index layer has a porosity of 50% or more, the first pressure-sensitive adhesive layer has a storage modulus of elasticity of from 1.3×10(Pa) to 1.0×10(Pa), and the second pressure-sensitive adhesive layer has a storage modulus of elasticity of 1.0×10(Pa) or less. 1. An optical laminate with pressure-sensitive adhesive layers on both surfaces , comprising:a substrate;a low-refractive index layer formed on the substrate;a first pressure-sensitive adhesive layer arranged so as to be adjacent to the low-refractive index layer; anda second pressure-sensitive adhesive layer serving as one outermost layer,wherein the low-refractive index layer has a porosity of 50% or more,{'sup': 5', '7, 'wherein the first pressure-sensitive adhesive layer has a storage modulus of elasticity of from 1.3×10(Pa) to 1.0×10(Pa), and'}{'sup': '5', 'wherein the second pressure-sensitive adhesive layer has a storage modulus of elasticity of 1.0×10(Pa) or less.'}2. The optical laminate with pressure-sensitive adhesive layers on both surfaces according to claim 1 , wherein the second pressure-sensitive adhesive layer is arranged on a side of the substrate opposite to the low-refractive index layer so that the first pressure-sensitive adhesive layer and the second pressure-sensitive adhesive layer serve as outermost layers.3. ...

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Номер записи: 29
14-01-2021 дата публикации

META-OPTICAL DEVICE AND OPTICAL APPARATUS INCLUDING THE SAME

Номер: US20210014394A1
Автор: HAN Seunghoon, Jang Bongyong, Park Hyeonsoo, Park Hyunsung
Принадлежит: SAMSUNG ELECTRONICS CO., LTD.

Provided is a meta-optical device including a meta-lens including a plurality of nano-structures, a band pass filter configured to transmit light of predetermined wavelengths within an operation wavelength band of the meta-lens, and a spacer layer provided between the meta-lens and the band pass filter to support the plurality of nano-structures and to form a separation distance between the meta-lens and the band pass filter. 1. A meta-optical device comprising:a meta-lens comprising a plurality of nano-structures;a band pass filter configured to transmit light of predetermined wavelengths within an operation wavelength band of the meta-lens; anda spacer layer provided between the meta-lens and the band pass filter, the spacer layer supporting the plurality of nano-structures and providing a separation distance between the meta-lens and the band pass filter.2. The meta-optical device of claim 1 , wherein the meta-lens claim 1 , the spacer layer claim 1 , and the band pass filter are integrally formed on a substrate.3. The meta-optical device of claim 1 , wherein a thickness of the spacer layer is greater than a center wavelength λof the operation wavelength band of the meta-lens and is smaller than 30λ.4. The meta-optical device of claim 1 , wherein the band pass filter is an infrared cut-off filter.5. The meta-optical device of claim 1 , wherein the band pass filter is a color filter array comprising a red filter claim 1 , a green filter claim 1 , and a blue filter.6. The meta-optical device of claim 1 , wherein the band pass filter comprises at least one of a red filter claim 1 , a green filter claim 1 , and a blue filter.7. An image capturing apparatus comprising:a lens assembly comprising at least one refractive lens; a meta-lens comprising a plurality of nano-structures;', 'a band pass filter configured to transmit light of predetermined wavelengths within an operation wavelength band of the meta-lens; and', 'a spacer layer provided between the meta-lens and ...

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Номер записи: 30
17-01-2019 дата публикации

CONTACT LENS FOR DETECTING GLUCOSE LEVEL IN TEARS AND METHOD FOR MAKING THE SAME

Номер: US20190015022A1
Автор: CHIEN HSIU-WEN
Принадлежит:

A contact lens for detecting body glucose in tears includes a gel substrate, a plurality of platinum nanoparticles dispersed in the gel substrate, and a biosensor received in the gel substrate. The biosensor receives the glucose from tears as glucose oxidase and the glucose acid and hydrogen peroxide (HO) produced are decomposed to water and hydrogen peroxide. The platinum nanoparticles function as a catalytic agent to accelerate the degradation of the hydrogen peroxide into water and oxygen, avoiding or reducing hypoxia of the eye. 1. A method for making a contact lens for detecting glucose level in tears comprising:providing a mold comprising a male mold portion and a female mold portion, the female mold portion defining a groove;placing a biosensor in the groove, the biosensor comprising glucose oxidase;adding a gel precursor in the groove containing the biosensor, the gel precursor comprising hydrophilic monomers, a cross-linking agent, a photo-initiator, and a plurality of platinum nanoparticles; andcovering the male mold portion with the female mold portion; andexposing the covered mold to ultraviolet radiation.2. The method of claim 1 , further comprising claim 1 , causing the gel precursor to polymerize to form a gel substrate claim 1 , dispersing the platinum nanoparticles in the gel substrate claim 1 , and receiving the biosensor in the gel substrate claim 1 , thereby forming the contact lens.3. The method of claim 1 , wherein each of the plurality of platinum nanoparticles has a diameter of about 5 nm to about 200 nm.4. The method of claim 1 , wherein the hydrophilic monomers have a mass percentage of about 68.4% to about 99.2% of a total mass of the gel precursor claim 1 , the cross-linking agent has a mass percentage of about 0.03% to about 14.2% of the total mass of the gel precursor claim 1 , the photo-initiator has a mass percentage of about 0.12% to about 18.6% of the total mass of the gel precursor claim 1 , and the plurality of platinum ...

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Номер записи: 31
17-01-2019 дата публикации

PROPERTY CONTROL OF MULTIFUNCTIONAL SURFACES

Номер: US20190016593A1
Автор: BRIGGS Ryan Morrow, Greer Harold Frank
Принадлежит:

The physical and chemical properties of surfaces can be controlled by bonding nanoparticles, microspheres, or nanotextures to the surface via inorganic precursors. Surfaces can acquire a variety of desirable properties such as antireflection, antifogging, antifrosting, UV blocking, and IR absorption, while maintaining transparency to visible light. Micro or nanomaterials can also be used as etching masks to texture a surface and control its physical and chemical properties via its micro or nanotexture. 13-. (canceled)4. A method comprising:determining a first lateral dimension of each element in a structure on a surface, the structure comprising a plurality of elements, the determining based on a first physical characteristic of the structure, the first lateral dimension being in a horizontal orientation relative to the surface;determining a second lateral dimension of each element, the second lateral dimension being perpendicular to the first lateral dimension and in a horizontal orientation relative to the surface;determining a height of each element based on a second physical characteristic of the structure, the height being in a vertical orientation relative to the surface;determining a spacing between the elements based on the first and second physical characteristics;fabricating the structure comprising the plurality of elements;defining a plurality of patterned features on the plurality of elements, the patterned features having dimensions smaller than any of the first lateral dimension, the second lateral dimension, and the height of each element, the patterned features based on a third physical characteristic of the structure;functionalizing the structure with a self-saturated monolayer of a first functional group;functionalizing a first plurality of particles with a second functional group, the second functional group chosen so as to form a covalent or ionic bond with the first functional group; andforming a monolayer of the first plurality of particles on ...

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Номер записи: 32
21-01-2021 дата публикации

Polymer-Based Nanocomposite and Optical Filter Based Thereon

Номер: US20210018662A1
Автор: ZHONG Haizheng, Zhu Xiaoxiu
Принадлежит:

The present disclosure discloses a polymer-based nanocomposite and an optical filter based thereon, wherein components of the polymer-based nanocomposite have a polymer matrix and a semiconductor material; and the polymer-based nanocomposite has an average light transmittance of greater than 90% in at least one light-transmitting wavelength range and a light transmittance of less than 1% in at least one cut-off wavelength range, wherein the semiconductor material is a non-radiative recombination-type perovskite material. 1. A polymer-based nanocomposite , characterized in that components of the polymer-based nanocomposite comprise a polymer matrix and a semiconductor material; andthe polymer-based nanocomposite has an average light transmittance of greater than 90% in at least one light-transmitting wavelength range and a light transmittance of less than 1% in at least one cut-off wavelength range,wherein the semiconductor material is a non-radiative recombination-type perovskite material.2. The polymer-based nanocomposite according to claim 1 , characterized in that the polymer-based nanocomposite has an average light transmittance of greater than 90% in at least one light-transmitting wavelength range and a light transmittance of less than 1% in at least one cut-off wavelength range in a range of 3000-200 nm.3. The polymer-based nanocomposite according to claim 1 , characterized in that a polymer of the polymer matrix is selected from at least one of polyvinylidene fluoride claim 1 , polyvinylidene chloride claim 1 , polymethyl methacrylate claim 1 , polyvinyl acetate claim 1 , cellulose acetate claim 1 , polysulfone claim 1 , polyamide claim 1 , polyimide claim 1 , polycarbonate claim 1 , polystyrene claim 1 , polyvinyl chloride claim 1 , polyvinyl alcohol claim 1 , transparent ABS plastics claim 1 , polyacrylonitrile claim 1 , polyolefin elastomers claim 1 , thermoplastic polyurethane claim 1 , and polyvinyl carbazole.4. The polymer-based nanocomposite according ...

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Номер записи: 33
21-01-2021 дата публикации

POLARIZING PLATE, LIQUID CRYSTAL PANEL AND DISPLAY DEVICE

Номер: US20210018667A1
Автор: BYUN Jinseok, LEE Soo Kyoung, MOON Joo Jong, Seo Jung Hyun, SHIM Jaehoon
Принадлежит: LG CHEM, LTD.

The present invention relates to a polarizing plate including: a polarizer; a hard coating layer having a thickness of 10 μm or less formed on one surface side of the polarizer; and an optical laminate including a light-transmitting substrate formed on the other surface side of the polarizer. 1. A polarizing plate comprising:a polarizer;a hard coating layer having a thickness of 10 μm or less formed on one surface side of the polarizer; andan optical laminate including a light-transmitting substrate formed on the other surface side of the polarizer,wherein a ratio of a second heat shrinkage deformation value in a second direction of the optical laminate to a first heat shrinkage deformation value in a first direction of the optical laminate is 0.8 to 1.2 and wherein the first direction is perpendicular to the second direction.2. The polarizing plate of claim 1 , whereineach of the first heat shrinkage deformation value and the second heat shrinkage deformation value is a difference between an initial length of each of the first direction and the second direction of the optical laminate and a length value as measured after exposure of the optical laminate to a condition of a temperature of 80° C. to 120° C. for 80 to 120 hours.3. The polarizing plate of claim 1 , whereinthe first direction of the optical laminate is a machine direction of the light-transmitting substrate, andthe second direction of the optical laminate is a transverse direction of the light-transmitting substrate.4. The polarizing plate of claim 1 , whereinthe light-transmitting substrate has a thickness direction retardation (Rth) of 3,000 nm or more as measured at a wavelength of 400 nm to 800 nm.5. The polarizing plate of claim 1 , wherein{'sup': '2', 'the light-transmitting substrate has a moisture permeation amount of 100 g/mor less as measured for 24 hours under a condition of 40° C. and 100% humidity.'}6. The polarizing plate of claim 1 , whereina ratio of the thickness of the hard coating ...

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Номер записи: 34
10-02-2022 дата публикации

Device for radiating at least one outgoing electromagnetic wave when illuminated by an incoming electromagnetic wave

Номер: US20220043192A1
Автор: Bobin VARGHESE, Laurent Blonde, Mitra DAMGHANIAN, Valter Drazic
Принадлежит: InterDigital CE Patent Holdings SAS

A device ( 200 ) is proposed comprising a first part ( 101 ) of a first material having a first refractive index n 1 and a second part ( 102 ) of a second material having a second refractive index n 2 higher than n 1 . Such device further comprises at least one contact area ( 110 ) in between the first and second parts, radiating an outgoing electromagnetic wave ( 100 o ) when the device is illuminated by an incoming electromagnetic wave ( 100 i ). A projection of the at least one contact area along a direction of propagation of the incoming electromagnetic wave has a non-vanishing height lower than 1.2 times a critical height equal to a wavelength in vacuum of the incoming electromagnetic wave divided by the difference between the second refractive index n 2 and the first refractive index n 1.

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Номер записи: 35
24-01-2019 дата публикации

METHOD FOR PRODUCING THIN FILM, THIN FILM FORMING MATERIAL, OPTICAL THIN FILM, AND OPTICAL MEMBER

Номер: US20190025466A1
Автор: TANAKA Gentaro, Tanaka Hirofumi
Принадлежит: NICHIA CORPORATION

Disclosed are a method for producing an optical thin film having a low refractive index, a thin film forming material, an optical thin film, and an optical member. The method for producing an optical thin film includes forming a vapor deposition film by depositing a thin film forming material on an object in a non-oxidizing atmosphere by a physical vapor deposition method; and bringing the vapor deposition film into contact with a first acidic solution comprising an acidic substance in a range of pH 2.5 or more and pH 3.5 or less to obtain a first thin film having voids, wherein the thin film forming material is a mixture comprising indium oxide and silicon oxide, in which the indium oxide is in a range of 0.230 mol or more and 0.270 mol or less with respect to 1 mol of the silicon oxide. 1. A method for producing an optical thin film , comprising:forming a vapor deposition film by depositing a thin film forming material on an object in a non-oxidizing atmosphere by a physical vapor deposition; andbringing the vapor deposition film into contact with a first acidic solution comprising an acidic substance in a range of pH 2.5 or more and pH 3.5 or less to obtain a first thin film having voids,wherein the thin film forming material is a mixture comprising indium oxide and silicon oxide, in which the indium oxide is contained in a range of 0.230 mol or more and 0.270 mol or less relative to 1 mol of the silicon oxide.2. The method for producing the optical thin film according to claim 1 , wherein the silicon oxide in the thin film forming material comprises a silicon monoxide as a major component.3. The method for producing the optical thin film according to claim 1 , wherein a refractive index of the first thin film is 1.300 or less.4. The method for producing the optical thin film according to claim 1 , wherein a voidage in the first thin film is in a range of 30% or more and 90% or less.5. The method for producing the optical thin film according to claim 1 , wherein ...

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Номер записи: 36
24-01-2019 дата публикации

Systems and methods for the generation of coherent light

Номер: US20190025476A1
Автор: Biqin Dong, Cheng Sun, Hao F. Zhang, Kieren J. Patel, Wenzhong Liu
Принадлежит: Northwestern University

Systems and methods to generate spatially coherent electromagnetic radiation are disclosed. An example method includes receiving two or more incident wavelengths of electromagnetic radiation; applying the two or more incident wavelengths of electromagnetic radiation to an array of features; generating two or more spatially coherent optical resonating modes through the interaction of the one or more incident wavelengths of electromagnetic radiation and the array of features; and coupling the two or more spatially coherent optical resonating modes to two or more spatially coherent propagating wavelengths of electromagnetic radiation, wherein the spatially coherent propagating wavelengths of electromagnetic radiation are identical to the two or more incident wavelengths of electromagnetic radiation. An example system includes an array of features configured to receive wavelengths of electromagnetic radiation; medium(s) configured to generate spatially coherent optical resonating mode(s); and medium(s) configured to generate spatially coherent propagating wavelength(s) of electromagnetic radiation.

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Номер записи: 37
28-01-2021 дата публикации

QUANTUM DOT, CURABLE COMPOSITION COMPRISING THE SAME, CURED LAYER USING THE COMPOSITION, COLOR FILTER INCLUDING THE CURED LAYER, AND DISPLAY DEVICE INCLUDING THE CURED LAYER

Номер: US20210024819A1
Автор: CHOI Mi Jeong, Kang YongHee, KIM Dongjun, KIM Jonggi, KIM Misun, LEE Bumjin, PARK Minjee, YIM Jihyeon
Принадлежит:

A quantum dot surface-modified with a specific compound, a non-solvent curable composition including the quantum dot, a solvent based curable composition including the quantum dot, a cured layer manufactured utilizing the curable composition, a color filter including the cured layer, and a display device including the cured layer are disclosed. 2. The quantum dot of claim 1 , wherein{'sup': 1', '3, 'Land Lare each independently a substituted or unsubstituted C1 to C10 alkylene group, and'}{'sup': '2', 'Lis an ester group or an ether group.'}4. The quantum dot of claim 1 , wherein the quantum dot has a maximum fluorescence emission wavelength at about 500 nm to about 680 nm.5. A non-solvent curable composition comprising{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the quantum dot of ,'}a polymerizable monomer having a carbon-carbon double bond at a terminal end, anda light diffusing agent,wherein the polymerizable monomer is about 35 wt % to about 80 wt % in amount based on a total weight of the non-solvent curable composition, andthe non-solvent curable composition does not contain any solvent.6. The non-solvent curable composition of claim 5 , wherein the polymerizable monomer has a molecular weight of about 220 g/mol to about 1 claim 5 ,000 g/mol.8. The non-solvent curable composition of claim 5 , wherein the quantum dot is about 1 wt % to about 60 wt % in amount based on the total weight of the non-solvent curable composition.9. The non-solvent curable composition of claim 5 , wherein the light diffusing agent comprises barium sulfate claim 5 , calcium carbonate claim 5 , titanium dioxide claim 5 , zirconia claim 5 , or a combination thereof.10. The non-solvent curable composition of claim 5 , wherein the non-solvent curable composition further comprises a polymerization initiator.11. The non-solvent curable composition of claim 5 , wherein the non-solvent curable composition further comprises a polymerization inhibitor; malonic acid; 3-amino-1 claim 5 ,2- ...

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Номер записи: 38
23-01-2020 дата публикации

LIDAR DEVICE

Номер: US20200025888A1
Автор: Jang Jun Hwan, YOON Hee Sun
Принадлежит:

A lidar device comprises: a laser emitting unit for including a plurality of VCSEL elements emitting a laser beam; a metasurface for including a plurality of beam steering cells arranged in a form of two-dimensional array by a row direction and a column direction, wherein the plurality of beam steering cells guide the laser beam by using nanopillars; wherein the nanopillars included in the plurality of beam steering cells form a subwavelength pattern, wherein the increase of an attribute related to at least one of the width, height, and number per unit length of the nanopillars is repetitive along the direction from the center of the metasurface to the position of the row corresponding to the plurality of beam steering cells. 1. A lidar device for measuring a distance to an obstacle within a field of view having a vertical direction and a horizontal direction and being formed by a plurality of scanning points , the device comprising:a laser emitting unit including a plurality of VCSEL (Vertical Cavity Surface Emitting Laser) elements arranged in a form of array and emitting a laser beam;a metasurface including a plurality of beam steering cells arranged in a form of two-dimensional array having a row direction corresponding to the vertical direction and a column direction corresponding to the horizontal direction, wherein the plurality of the beam steering cells guide the laser beam to the plurality of the scanning points by using nanopillars disposed on an emission surface side of the laser emitting unit;wherein the nanopillars form a subwavelength pattern in the plurality of the beam steering cells,wherein the subwavelength pattern of a specific cell among the plurality of the beam steering cells includes:an increment of a first attribute being repeated along a direction from a center of the metasurface to a row of the specific cell and a change rate of the first attribute being increased according to a distance from the row of the specific cell to the center of ...

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Номер записи: 39
23-01-2020 дата публикации

Lidar device

Номер: US20200025892A1
Автор: Hee Sun Yoon, Jun Hwan Jang
Принадлежит: SOS Lab Co Ltd

A lidar device comprises: a laser emitting unit for including a plurality of VCSEL elements emitting a laser beam; a metasurface for including a plurality of beam steering cells arranged in a form of two-dimensional array by a row direction and a column direction, wherein the plurality of beam steering cells guide the laser beam by using nanopillars; wherein the nanopillars included in the plurality of beam steering cells form a subwavelength pattern, wherein the increase of an attribute related to at least one of the width, height, and number per unit length of the nanopillars is repetitive along the direction from the center of the metasurface to the position of the row corresponding to the plurality of beam steering cells.

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Номер записи: 40
23-01-2020 дата публикации

Lidar device

Номер: US20200025893A1
Автор: Hee Sun Yoon, Jun Hwan Jang
Принадлежит: SOS Lab Co Ltd

A lidar device comprises: a laser emitting unit for including a plurality of VCSEL elements emitting a laser beam; a metasurface for including a plurality of beam steering cells arranged in a form of two-dimensional array by a row direction and a column direction, wherein the plurality of beam steering cells guide the laser beam by using nanopillars; wherein the nanopillars included in the plurality of beam steering cells form a subwavelength pattern, wherein the increase of an attribute related to at least one of the width, height, and number per unit length of the nanopillars is repetitive along the direction from the center of the metasurface to the position of the row corresponding to the plurality of beam steering cells.

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Номер записи: 41
02-02-2017 дата публикации

Plastic Substrate having a Porous Layer and Method for Producing the Porous Layer

Номер: US20170031070A1
Автор: Fahland Matthias, Munzert Peter, Schoenberger Waldemar, Schulz Ulrike
Принадлежит:

A plastic substrate having a porous layer is disclosed. In an embodiment, the porous layer is formed at least partially from a material of the plastic substrate and has pores. The proportion by volume of pores is greater in a first region of the porous layer than in a second region of the porous layer. The second region follows the first region, as seen proceeding from the plastic substrate. The porous layer can be produced by a plasma process that simultaneously effects structuring of the plastic substrate by ion bombardment and coating of the plastic substrate. 1. A plastic substrate comprising:a porous layer on a surface,wherein the porous layer is formed at least partially from a material of a plastic substrate and has pores,wherein a proportion by volume of the pores is greater in a first region of the porous layer than in a second region of the porous layer,wherein the first region is located between the second region and the plastic substrate,wherein the porous layer has a thickness of between 50 nm and 500 nm,wherein the pores, on average, have a lateral extent of between 20 nm and 200 nm, andwherein a solid phase of the porous layer is formed to an extent of at least 10% from the material of the plastic substrate.2. The plastic substrate according to claim 1 , wherein the first region is formed to an extent of at most 70% by volume from the material of the plastic substrate.3. The plastic substrate according to claim 1 , wherein the first region is formed to an extent of at most 50% by volume from the material of the plastic substrate.4. The plastic substrate according to claim 1 , wherein the first region of the porous layer has a lower effective refractive index than the second region of the porous layer.5. The plastic substrate according to claim 1 , wherein the plastic substrate is a flexible plastic substrate.6. The plastic substrate according to claim 1 , further comprising a further layer overlying the porous layer.7. The plastic substrate according ...

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Номер записи: 42
17-02-2022 дата публикации

METHOD FOR DETERMINING AN OPTICAL SYSTEM WITH A METASURFACE AND ASSOCIATED PRODUCTS

Номер: US20220050294A1
Автор: Biver Claudine, FERMIGIER Bruno, NETTER Estelle, TROTTIER-LAPOINTE William
Принадлежит:

The present invention concerns an optical system intended to be held by a frame and worn by a wearer, the optical system comprising a lens, the lens further comprising a metasurface formed by at least a set of nanostructures, at least the lens and the metasurface being designed to achieve an optical system transmission target optical function and an optical system reflective target optical function. 1. A computer-implemented method for determining parameters of an optical system intended to be held by a frame and worn by a wearer , the optical system comprising a lens , the lens further comprising a metasurface , the metasurface being formed by at least a set of nanostructures , parameters being defined for the lens and the metasurface , the method comprising the steps of:providing an optical system transmission target optical function and an optical system reflective target optical function,providing an optical transmission cost function, the optical transmission cost function being related to an optical function of the system in transmission when the system is worn by the wearer,providing an optical reflective cost function, the optical reflective cost function being related to an optical function of the system in reflection when the system is worn by the wearer, anddetermining the optical system that minimizes the difference between a global cost function and a target value of the global cost function by modifying at least one parameter of the system, among which one of the metasurface, the global cost function being a function of the optical transmission cost function and of the optical reflective cost function and the target value being a function of the optical system transmission target optical function and of the optical system reflective target optical function.2. The method according to claim 1 , wherein the parameters of the lens are chosen in the group consisting of:the diameter of the lens,the thickness of the lens,the material of the lens,for at least ...

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Номер записи: 43
31-01-2019 дата публикации

Holey optical device

Номер: US20190033496A1
Автор: Alexander Kildishev, Satoshi Ishii, Vladimir Shalaev
Принадлежит: PURDUE RESEARCH FOUNDATION

A method of making an optical device including forming a plurality of holes with varying radii milled vertically into a film, wherein said holes form a pattern. The radius of each hole determines an effective refractive index for said hole. The effective refractive index modifies a phase and an intensity of an incoming electromagnetic radiation as the radiation propagates through said hole. The device is configured to be operating equally for each linearly polarized radiation simultaneously, wherein the each linearly polarized radiation is normally incident on the device.

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Номер записи: 44
08-02-2018 дата публикации

3D DEPTH SENSOR AND METHOD OF MEASURING DISTANCE USING THE 3D DEPTH SENSOR

Номер: US20180038946A1
Автор: JEON Myungjae, PARK Yonghwa, YOU Jangwoo
Принадлежит: SAMSUNG ELECTRONICS CO., LTD.

A 3D depth sensor and a method of measuring a distance to an object, using the 3D depth sensor, are provided. The 3D depth sensor includes a light source configured to emit light toward an object, and an optical shutter configured to modulate a waveform of light that is reflected from the object by changing a transmittance of the reflected light, the optical shutter comprising sections. The 3D depth sensor further includes an optical shutter driver configured to operate the sections of the optical shutter independently from one another, and a controller configured to control the light source and the optical shutter driver. 1. A three-dimensional (3D) depth sensor comprising:a light source configured to emit light toward an object;an optical shutter configured to modulate a waveform of light that is reflected from the object by changing a transmittance of the reflected light, the optical shutter comprising sections;an optical shutter driver configured to operate the sections of the optical shutter independently from one another; anda controller configured to control the light source and the optical shutter driver.2. The 3D depth sensor of claim 1 , wherein the optical shutter driver comprises optical shutter drivers individually connected to electrodes respectively included in the sections of the optical shutter.3. The 3D depth sensor of claim 2 , further comprising a switch configured to select an electrode from the electrodes claim 2 ,wherein the optical shutter driver is further configured to operate the electrodes via the switch.4. The 3D depth sensor of claim 3 , wherein the optical shutter driver comprises a multi-frequency optical shutter driver configured to select claim 3 , from frequencies claim 3 , a frequency for operating the optical shutter.5. The 3D depth sensor of claim 1 , wherein the sections of the optical shutter are configured to respectively modulate the reflected light reflected claim 1 , based on locations of the object from the 3D depth ...

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Номер записи: 45
24-02-2022 дата публикации

Ink composition, light conversion layer, and color filter

Номер: US20220056292A1
Автор: Eiji Otsuki, Ikuro KIYOTO, Mariko TOSHIMITSU, Masahiro Kobayashi, Minoru Tabuchi, Takayuki Miki
Принадлежит: DIC Corp

An ink composition that contains light-emitting nanocrystalline particles, a photopolymerizable component containing at least one photopolymerizable compound and having a Hansen solubility parameter δp of 3.0 MPa0.5 or more, and a phosphite compound with a partial structure represented by the following formula (1).[In the formula (1), X1 to X3 independently denote an oxygen atom or a sulfur atom, R1 denotes an alkyl group, and * denotes a bonding arm.]

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Номер записи: 46
18-02-2016 дата публикации

FORWARD-IMAGING OPTICAL COHERENCE TOMOGRAPHY (OCT) SYSTEMS AND PROBES

Номер: US20160045116A1
Автор: CONDIT Jonathan C., Kemp Nathaniel J., Kumar Karthik, Milner Thomas E., Zhang Xiaojing
Принадлежит:

Provided are forward-imaging optical coherence tomography (OCT) systems and probes. 1. A lens assembly comprising at least one tunable lens.2. The lens assembly as claimed in claim 1 , wherein the lens assembly comprises a combination of at least one static and at least one tunable lens.3. The lens assembly as claimed in claim 1 , wherein the lens assembly is operatively positioned within a probe sized for insertion into a subject through an endoscopic port or opening.4. The lens assembly as claimed in claim 1 , wherein the tunable lens comprises at least one of (a) an elastically deformable base material doped or coated with a plurality of nanoparticles and (b) a plurality of magnetic particles operatively positioned about the peripheral rim of the lens.5. The lens assembly as claimed in claim 4 , wherein the deformable base material is selected from the group consisting of a fluid claim 4 , liquid claim 4 , gel claim 4 , and gas.6. The lens assembly as claimed in claim 4 , wherein the nanoparticles are configured for magnetization by an applied magnetic field.7. The lens assembly as claimed in claim 6 , wherein the magnetization occurs via longitudinal activation or radial activation.8. A method for manufacturing a scanner comprising:forming an oxide layer on a front side of a first wafer;etching alignment marks on a backside of the first wafer;removing the layer of oxide from the front side of the first wafer;forming mirror frame features and outer stator comb features aligned to the backside alignment marks;etching the mirror frame features and the outer stator comb features;forming a thermal oxide layer on a second silicon wafer;fusing the second wafer to the front side of the first wafer;forming a mirror, rotor combs, and stator combs on a top side of the fused second silicon wafer;etching the backside of the first wafer to release the scanner using the backside alignment marks; anddepositing a thin-film of a reflective material on a mirror surface.9. The ...

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Номер записи: 47
07-02-2019 дата публикации

Composition Comprising a Three-Dimensional Amorphous Trivalent Network

Номер: US20190041548A1
Автор: Florescu Marian, Sellers Richard
Принадлежит:

The invention provides a composition comprising a three-dimensional amorphous trivalent network which reduces the number of modes within a particular frequency range (ω±Δω). The invention also extends to use of the composition as a structural colouration material and a paint, dye or fabric comprising the structural colouration material. Additionally, the invention extends to use of the composition as an optical filter or as a supporting matrix configured to define at least one optical component, such as a frequency filter, light-guiding structure for a telecommunications application, an optical computer chip, an optical micro-circuit or a laser comprising the supporting matrix. 1. A composition comprising a three-dimensional amorphous trivalent network which reduces the number of modes within a particular frequency range (ω±Δω).2. A composition according to claim 1 , wherein the network defines a connected network comprising a plurality of vertices which are interconnected by cross members such that each cross member directly connects two vertices and the network comprises a plurality of trihedra claim 1 , wherein each trihedron comprises a central vertex which is directly connected to three outer vertices.3. A composition according to claim 2 , wherein the amorphous trivalent network defines a band gap claim 2 , optionally wherein the band gap has a width of at least 1%.4. A composition according to claim 3 , wherein the amorphous trivalent network of the composition defines a photonic band gap (PBG) claim 3 , and/or wherein the band gap is a complete claim 3 , or three dimensional claim 3 , band gap.56-. (canceled)7. A composition according to claim 2 , wherein each cross member defines a length which is the spatial distance between the two vertices directly connected by the cross member claim 2 , and at least 90% of the cross members within the network of the composition define a length between 70% and 130% of a mean cross member length claim 2 , optionally ...

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Номер записи: 48
07-02-2019 дата публикации

PIXEL LEVEL POLARIZER FOR FLEXIBLE DISPLAY PANELS

Номер: US20190041562A1
Автор: AHMED Khaled, Jiang Jun, Parikh Kunjal, Zhuang Zhiming
Принадлежит: Intel Corporation

Disclosed herein are display panels, display panel stacks, and techniques to manufacture such display panel stacks where a polarizer is provided for each illumination element of the display panel stack. A polarizer can be formed onto each individual illumination element once the illumination element is transferred to the backplane. The polarizer can be arranged to polarize light emitted from the illumination element and light incident on the display from ambient. 1. A display panel stack , comprising:a plurality of light illumination elements; anda digital polarizer, for each one of the plurality of light illumination elements, the digital polarizers to polarize light emitted from the plurality of light illumination elements.2. The display panel stack of claim 1 , the digital polarizer comprising a plurality of nano structures.3. The display panel stack of claim 2 , each of the plurality of nanostructures comprising a rectangular or square shape.4. The display panel stack of claim 2 , the plurality of nanostructures spaced apart from each other between 60 and 150 nanometers.5. The display panel stack of claim 2 , the plurality of nanostructures having a height between 200 and 400 nanometers.6. The display panel stack of claim 2 , the plurality of nanostructures having a rectangular shape with a width and length of between 1/10and ¼of a wavelength of light emitted by the plurality of illumination elements.7. The display panel stack of claim 6 , the plurality of nanostructures having a height of approximately ½ of the wavelength of light emitted by the plurality of illumination elements.8. The display panel stack of claim 1 , the plurality of illumination elements comprising micro-light emitting diodes (μLEDs) claim 1 , organic LEDs (OLEDs) or vertical-cavity surface-emitting laser (VCSELs).9. The display panel stack of claim 1 , comprising a plurality of switching element coupled to the plurality of light illumination elements.10. The display panel stack of claim 9 , ...

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Номер записи: 49
15-02-2018 дата публикации

DEVICE COMPONENTS FORMED OF GEOMETRIC STRUCTURES

Номер: US20180045953A1
Автор: Fan Jonathan A., Sell David, Yang Jianji
Принадлежит:

Various embodiments are directed to an apparatus and methods of forming and/or using an apparatus comprising a plurality of device components. An example method includes geometrically optimizing a periodic or aperiodic device comprising a plurality of device components by optimizing a topology, for each device component, from a starting point to have particular optical properties for a particular optical response. Each device component includes a plurality of geometric structures. The optimization includes selecting the starting point for a continuous profile to have the particular optical properties for the particular optical response, iteratively converging the continuous profile to a discrete profile, and, while iteratively converging to the discrete profile, adjusting edges between boundaries of the device components by accounting for fabrication constraints. 1. A method comprising:geometrically optimizing a periodic or aperiodic device comprising a plurality of device components, each device component including at least one layer of geometric structures, by optimizing a topology, for each device component, from a starting point to have particular optical properties for a particular optical response including:selecting the starting point for a continuous profile to have the particular optical properties for the particular optical response;iteratively converging the continuous profile to a discrete profile; andwhile iteratively converging to the discrete profile, adjusting edges between boundaries of the device components by accounting for fabrication constraints.2. The method of claim 1 , further including determining an optimized starting point for a topology of one or more of the device components including at least one layers of geometrical structures claim 1 , configured to have particular optical properties for a particular optical response.3. The method of claim 1 , wherein each geometric structure includes or a geometric shape and size defined by same- ...

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Номер записи: 50
03-03-2022 дата публикации

METHOD FOR PRODUCING OPTICAL ARTICLE WITH ANTI-REFLECTIVE SURFACE, AND OPTICAL ARTICLE WITH ANTI-REFLECTIVE SURFACE

Номер: US20220066070A1
Автор: Kozodoy Peter, Lloyd John
Принадлежит:

Methods for forming optical articles with antireflective nanostructured (ARN) surfaces. An aluminum layer is deposited or otherwise applied to the cavity of an injection mold tool. Sequential chemical treatments such as anodization and etching steps form an ARN mold texture on the interior surface of the cavity. The ARN mold texture is a negative of a desired surface texture of the article. During injection molding, the desired ARN surface is thereby produced in the optical article.

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Номер записи: 51
21-02-2019 дата публикации

ANTI-FOG AND ANTI-REFLECTIVE DUAL-FUNCTIONAL COATING FOR OPTICAL ARTICLES

Номер: US20190056529A1
Автор: Johnson Philip M., Nebo Jon, ZHU Shaopeng
Принадлежит: HONEYWELL INTERNATIONAL INC.

A coating for an optical article, such as a lens, includes a bottom coating having at least one hydrophilic resin binder and at least one surfactant, forming an anti-fogging layer, and a top coating overlying the bottom coating, forming an anti-reflective layer. The top coating includes nanopores, which may be less than 150 nm in size. 1. A coating for an optical article , comprising:a bottom coating comprising at least one hydrophilic resin binder, forming an anti-fogging layer; anda top coating overlying the bottom coating, forming an anti-reflective layer, the top coating comprising nanopores.2. The coating of claim 1 , wherein the nanopores have less than 150 nm pore size.3. The coating of claim 1 , wherein the top coating further comprises a porosity from about 30% to about 90%.4. The coating of claim 1 , wherein the top coating comprises nanoparticles of diameter ranging in size from about 1 to about 150 nm dispersed in a solvent.5. The coating of claim 1 , wherein the top coating further comprises a transparent claim 1 , dielectric and non-water-soluble compound selected from the group consisting essentially of oxides claim 1 , nitrides and sulfides.6. The coating of claim 1 , wherein the binder is selected from the group consisting essentially of: polyurethane claim 1 , acrylic claim 1 , polysiloxane claim 1 , epoxy claim 1 , polyvinyl alcohol claim 1 , polyvinylpyrrolidone claim 1 , polyethylene glycol claim 1 , and combinations and hybrids thereof.7. The coating of claim 1 , wherein the thickness of the top coating is from about 70 to about 200 nm.8. The coating of claim 1 , wherein the thickness of the bottom coating is from about 2 to about 25 μn.9. A method of making an optical article claim 1 , comprising:providing an optical substrate having a top surface and a bottom surface;coating the top surface of the optical substrate with a bottom coating comprising at least one hydrophilic resin binder, forming an anti-fogging layer;coating the bottom coating ...

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Номер записи: 52
21-02-2019 дата публикации

State-changeable device

Номер: US20190057740A1
Автор: Emanuel Loertscher
Принадлежит: International Business Machines Corp

A state-changeable device includes a first and a second particle arranged in proximity to each other; and a coupling material between the first and the second particle; wherein the first and the second particle are adapted to provide a charge carrier distribution such that surface plasmon polaritons (SPP) occur; and the coupling material is adapted to exhibit a variable conductivity in response to a trigger signal thereby changing an electro-optical coupling between the first and the second particle.

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Номер записи: 53
20-02-2020 дата публикации

Sunlight-based sun imitating illumination

Номер: US20200056754A1
Автор: Davide MAGATTI, Matteo Molteni, Paolo Di Trapani
Принадлежит: CoeLux SRL

A sunlight-based projector system (3) is disclosed for providing a direct light beam (5). The projector system (3) comprises a sunlight receiving unit (9) with a collector system (13), a plurality of optical fibers (15), and a plurality of fiber output channels (44). The collector system (13) collects natural outdoor light, and couples the collected light into the plurality of optical fibers (15). The projector system (3) comprises further a sunlight forming unit (11) with a plurality of optical collimator units (47) arranged in a two-dimensional array, wherein each optical collimator unit (47) receives the respective fiber output light (45) and comprises at least one optical collimator (49) for reducing the angular distribution width of the received divergent fiber output light (45). Output areas of the plurality of optical collimator units (47) form essentially a continuously extending large light-emitting face (53) of the sunlight forming unit (11) for emitting an essentially collimated light beam (5). The generated direct light beam (5) may be used together with diffused light generating areal units to provide a sun-sky imitating lighting system with a sun-like appearance.

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Номер записи: 54
02-03-2017 дата публикации

PHOTOSENSITIVE COMPOSITIONS, QUANTUM DOT POLYMER COMPOSITE PATTERN PREPARED THEREFROM, AND ELECTRONIC DEVICES INCLUDING THE SAME

Номер: US20170059988A1
Автор: JUN Shin Ae, KIM Jonggi, PAEK Hojeong, PARK Shang Hyeun
Принадлежит:

A photosensitive composition including: a plurality of quantum dots, wherein the quantum dot includes an organic ligand with a hydrophobic moiety bound to a surface of the quantum dot; a binder; a photopolymerizable monomer having a carbon-carbon double bond; a photoinitiator; and a solvent, wherein the binder includes a multiple aromatic ring-containing polymer including a main chain including a carboxylic acid group and a backbone structure incorporated in the main chain, wherein the backbone structure includes a quaternary carbon atom, which is a part of a cyclic group, and two aromatic rings bound to the quaternary carbon atom, and wherein the plurality of quantum dots are dispersed in the binder. 1. A photosensitive composition comprising:a plurality of quantum dots;a binder;a photopolymerizable monomer comprising a carbon-carbon double bond; and a photoinitiator,wherein the binder comprises a multiple aromatic ring-containing polymer comprising a carboxylic acid group and a main chain comprising a backbone structure incorporated in the main chain, wherein the backbone structure comprises a quaternary carbon atom, which is a part of a cyclic group, and two aromatic rings bound to the quaternary carbon atom.2. The photosensitive composition of claim 1 , wherein the quantum dot comprises an organic ligand comprising a hydrophobic moiety bound to a surface of the quantum dot and the organic ligand does not comprise a photopolymerizable functional group.3. The photosensitive composition of claim 2 , wherein the organic ligand comprises RCOOH claim 2 , RNH claim 2 , RNH claim 2 , RN claim 2 , RSH claim 2 , RPO claim 2 , RP claim 2 , ROH claim 2 , RCOOR′ claim 2 , RPO(OH) claim 2 , RPOOH (wherein R and R′ are each independently a C5 to C24 aliphatic hydrocarbon group or a C6 to C20 aromatic hydrocarbon group) claim 2 , a polymeric organic ligand claim 2 , or a combination thereof.4. The photosensitive composition of claim 1 , wherein the quantum dot comprises a Group ...

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Номер записи: 55
04-03-2021 дата публикации

MECHANICALLY TUNABLE REFLECTIVE METAMIRROR OPTICAL DEVICE

Номер: US20210063683A1
Автор: Bauer Aaron, CHENG Fei, Nikolov Daniel, Rolland Jannick P., Vamivakas Nick
Принадлежит:

A mechanically tunable reflective metamirror optical device for a targeted design optical wavelength includes a dynamically deformable substrate and a sub-wavelength periodic arrangement of patterned isolated gap surface plasmon (GSP) resonators positioned in or on the dynamically deformable substrate. The patterned isolated GSP resonators are movable relative to each other and comprise a patterned optically thin metal layer for the design wavelength, a patterned optically thick metal layer for the design wavelength, and a patterned insulator layer between the patterned optically thin and optically thick metal layers. 1. A mechanically tunable reflective metamirror optical device configured for a targeted design optical wavelength comprising:a dynamically deformable substrate; anda sub-wavelength periodic arrangement of patterned isolated gap surface plasmon (GSP) resonators positioned in or on the dynamically deformable substrate, wherein the patterned isolated GSP resonators are movable relative to each other and comprise a patterned optically thin metal layer for the design wavelength, a patterned optically thick metal layer for the design wavelength, and a patterned insulator layer between the patterned optically thin and optically thick metal layers.2. The mechanically tunable reflective metamirror optical device of claim 1 , wherein the dynamically deformable substrate is a mechanically stretchable substrate.3. The mechanically tunable reflective metamirror optical device of claim 2 , wherein the mechanically stretchable substrate comprises polydimethylsiloxane (PDMS).4. The mechanically tunable reflective metamirror optical device of claim 1 , wherein the patterned isolated GSP resonators are encapsulated in the dynamically deformable substrate.5. The mechanically tunable reflective metamirror optical device of claim 1 , wherein the patterned optically thin metal layer and patterned optically thick metal layer comprise silver.6. The mechanically tunable ...

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Номер записи: 56
11-03-2021 дата публикации

ENDOSCOPIC IMAGING USING NANOSCALE METASURFACES

Номер: US20210068665A1
Автор: Capasso Federico, HUANG Yao-Wei, KHORASANINEJAD Mohammadreza, PAHLEVANINEZHAD Hamid, SHI Zhujun, SUTER Melissa
Принадлежит:

An endoscopic imaging device (e.g., a catheter) comprises a light-transmitting tubing, at least one optical fiber disposed in the light-transmitting tubing, and at least one metalens. The metalens is optically coupled to the optical fiber and is configured to focus light from the optical fiber, through the light-transmitting tubing, and to a target point located outside of the light-transmitting tubing. The metalens includes a plurality of nanostructures. The nanostructures define a phase profile that corrects astigmatism caused by the light-transmitting tubing. 1. An endoscopic imaging device , comprising:a light-transmitting tubing;at least one optical fiber disposed in the light-transmitting tubing; andat least one metalens optically coupled to the optical fiber and configured to focus light from the optical fiber, through the light-transmitting tubing, and to a target point located outside of the light-transmitting tubing;wherein the metalens includes a plurality of nanostructures, and the nanostructures define a phase profile that corrects one or more aberrations including astigmatism caused by the light-transmitting tubing.2. The endoscopic imaging device of claim 1 , wherein the metalens is further configured to collect light from the target point outside of the light-transmitting tubing claim 1 , through the light-transmitting tubing claim 1 , and to the optical fiber.3. The endoscopic imaging device of claim 1 , wherein the phase profile of the nanostructures corrects one or more aberrations including astigmatism caused by tubing curvatures of the light-transmitting tubing parallel or perpendicular to a catheter axis.4. The endoscopic imaging device of claim 1 , wherein the phase profile of the nanostructures compensates length differences between a shortest optical path between the target point and a focal point of the metalens and an optical path between the target point and the focal point through the metalens.5. The endoscopic imaging device of claim 1 ...

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Номер записи: 57
17-03-2022 дата публикации

HIGH BRIGHTNESS DIRECTIONAL DIRECT EMITTER WITH PHOTONIC FILTER OF ANGULAR MOMENTUM

Номер: US20220082742A1
Автор: Lopez-Julia Antonio, TAMMA Venkata Ananth
Принадлежит: LUMILEDS LLC

A nano-structure layer is disclosed. The nano-structure layer includes a plurality of nano-photonic structures that are configured in a first configuration such that light incident upon the nanostructured layer below a cut-off angle passes through the nanostructured layer and light incident upon the nanostructured layer above the cut-off angle is reflected back in direction of the incidence. 120-. (canceled)21. A light emitting device comprising:a semiconductor diode structure;a substrate transparent to light emitted by the semiconductor diode structure and comprising a top surface, an oppositely positioned bottom surface, and side surfaces connecting the top and bottom surfaces, the bottom surface disposed on or adjacent the semiconductor diode structure; andan angular filter disposed on or adjacent the top surface of the substrate and arranged to transmit light emitted by the semiconductor diode structure into the substrate and incident on the angular filter at an angle of incidence less than a cut-off angle and reflect back into the transparent substrate light emitted by the semiconductor diode structure and incident on the angular filter at an angle of incidence greater than or equal to the cut-off angle, such that transmission through the angular filter of light at angle of incidence 35 degrees or higher is 0%.22. The light emitting device of claim 21 , wherein the cut-off angle is less than or equal to 10 degrees.23. The light emitting device of claim 21 , wherein the cut-off angle is less than or equal to 20 degrees.24. The light emitting device of claim 21 , wherein light emitted by the semiconductor diode structure into the transparent substrate and incident on the angular filter at an angle of incidence less than the cut-off angle is transmitted through the angular filter within a cone angle of +/−60 degrees.25. The light emitting device of claim 24 , wherein light emitted by the semiconductor diode structure into the transparent substrate and incident on ...

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Номер записи: 58
17-03-2022 дата публикации

Meta optical device and electronic apparatus including the same

Номер: US20220082815A1
Автор: Hyeonsoo PARK, Hyunsung PARK, Sangeun MUN, Seunghoon HAN
Принадлежит: SAMSUNG ELECTRONICS CO LTD

A meta-optical device includes a plurality of phase modulation areas configured to modulate a phase of an incident light, each of the plurality of phase modulation areas including a plurality of nanostructures having a shape and an arrangement that are determined according to a respective rule set for each of the plurality of phase modulation areas; and a compensation area located between a kth phase modulation area and a (k+1)th phase modulation area adjacent to each other, from among the plurality of phase modulation areas, and including a compensation structure for buffering an effective refractive index change occurring in a boundary area between the kth phase modulation area and the (k+1)th phase modulation area according to respective rules of the kth phase modulation area and the (k+1)th phase modulation area, wherein N is a number of the plurality of phase modulation areas, k and N are natural numbers, and k is equal to or greater than 1 and less than N.

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Номер записи: 59
11-03-2021 дата публикации

COMBINATION STRUCTURES AND OPTICAL FILTERS AND IMAGE SENSORS AND CAMERA MODULES AND ELECTRONIC DEVICES

Номер: US20210072439A1
Автор: CHO Chung Kun, KIM Hye Ran, KIM Mi Jeong
Принадлежит: SAMSUNG ELECTRONICS CO., LTD.

A combination structure includes a hybrid nanostructure array and a light-absorbing layer adjacent to the hybrid nanostructure array. The hybrid nanostructure array includes a plurality of hybrid nanostructures, each hybrid nanostructure includes a stack of a first nanostructure and a second nanostructure. The first nanostructure includes a first material. The second nanostructure includes a second material. The second material has a refractive index that is higher than a refractive index of the first material. The light-absorbing layer includes a near-infrared absorbing material configured to absorb light of at least a portion of a near-infrared wavelength spectrum. 1. A combination structure , comprising:a hybrid nanostructure array including a plurality of hybrid nanostructures, each hybrid nanostructure of the plurality of hybrid nanostructures including a stack of a first nanostructure and a second nanostructure, the first nanostructure including a first material, the second nanostructure including a second material, the second material having a refractive index that is higher than a refractive index of the first material; anda light-absorbing layer adjacent to the hybrid nanostructure array, the light-absorbing layer including a near-infrared absorbing material configured to absorb light of at least a portion of a near-infrared wavelength spectrum.2. The combination structure of claim 1 , wherein one or more hybrid nanostructures of the hybrid nanostructure array has a dimension that is smaller than a particular near-infrared wavelength.3. The combination structure of claim 2 , wherein the particular near-infrared wavelength is in a range of greater than about 700 nm and less than or equal to about 1200 nm.4. The combination structure of claim 2 , wherein the particular near-infrared wavelength is in a range of about 890 nm to about 990 nm.5. The combination structure of claim 1 , wherein the first material includes a metal having a refractive index of less ...

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Номер записи: 60
24-03-2022 дата публикации

DIFFRACTIVE PIGMENT

Номер: US20220091313A1
Автор: Argoitia Alberto, LIANG Kangning, SEYDEL Johannes P., ZIEBA Jaroslaw
Принадлежит: VIAVI SOLUTIONS INC.

A diffractive pigment includes diffractive pigment, includes a stack including alternating layers of a high refractive index layer and a low refractive index layer, in which the high refractive index layer is a composition including an organic material and high refractive index inorganic nanoparticles; in which at least one layer of the stack is embossed. A method of making a diffractive pigment is also disclosed. 1. A diffractive pigment , comprising:a stack including alternating layers of a high refractive index lay and a low refractive index layer, wherein the high refractive index layer is a composition including an organic material and high refractive index inorganic nanoparticles;wherein at least one layer of the stack is embossed.2. The diffractive pigment of claim 1 , wherein the pigment does not include a reflector layer.3. The diffractive pigment of claim 1 , wherein the organic material is at least one material chosen from thermoplastics claim 1 , thermosets claim 1 , and energy curable materials.4. The diffractive pigment of claim 1 , wherein the at least one layer of the stack is partially embossed.5. The diffractive pigment of claim 1 , wherein the inorganic nanoparticles can be present in the composition in an amount to achieve a desired refractive index.6. The diffractive pigment of claim 1 , wherein each layer of the alternating layers of the stack is partially embossed.7. The diffractive pigment of claim 1 , wherein each layer of the alternating layers of the stack is fully embossed.8. The diffractive pigment of claim 1 , wherein the low refractive index layer is a composition including low refractive index organic materials.9. The diffractive pigment of claim 1 , wherein the low refractive index layer is a composition including low refractive index inorganic nanoparticles.10. The diffractive pigment of claim 1 , wherein another of the alternating layer of the stack is non-embossed.11. The diffractive pigment of claim 1 , wherein a portion of the ...

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Номер записи: 61
24-03-2022 дата публикации

LIGHT PROCESSING DEVICE BASED ON MULTILAYER NANO-ELEMENTS

Номер: US20220091318A1
Автор: BURGUETE LOPEZ Arturo, FRATALOCCHI Andrea, GETMAN Fedor Fedorovich, MAKARENKO Maksim
Принадлежит:

A light processing device includes a first layer having a substrate; and plural nano-elements formed on the substrate. A feature of the plural nano-elements is selected to control a parameter of an input light beam that impinges of the first layer. 1. A light processing device comprising:a first layer having a substrate; andplural nano-elements formed on the substrate,wherein a feature of the plural nano-elements is selected to control a parameter of an input light beam that impinges of the first layer.2. The device of claim 1 , wherein the substrate is glass and the plural nano-elements are made of silicon.3. The device of claim 1 , wherein a nano-element of the plural nano-elements has at least two sides smaller than 1 μm.4. The device of claim 3 , wherein all sides of the nano-element are smaller than 1 μm.5. The device of claim 1 , wherein each of the plural nano-elements has at least one side smaller than 1 μm.6. The device of claim 1 , wherein the parameter of the input light beam is a wavelength.7. The device of claim 1 , wherein the parameter of the input light beam is an amplitude.8. The device of claim 1 , wherein the parameter of the input light beam is a phase.9. The device of claim 1 , wherein the feature is a position of the nano-elements on the substrate.10. The device of claim 1 , wherein the feature is a size of the nano-elements.11. The device of claim 1 , wherein the feature is a number of the nano-elements on the substrate.12. The device of claim 1 , wherein the feature is a position of the nano-elements on the substrate claim 1 , a size of each nano-element claim 1 , and a number of the nano-elements on the substrate.13. The device of claim 1 , further comprising:a second layer formed over the first layer, and the second layer having another plurality of nano-elements.14. The device of claim 1 , wherein the device is a single band polarizer.15. The device of claim 1 , wherein the device is a multi-band polarizer.16. The device of claim 1 , ...

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Номер записи: 62
05-03-2020 дата публикации

METAMATERIAL-BASED REFLECTOR, OPTICAL CAVITY STRUCTURE INCLUDING THE SAME AND VERTICAL CAVITY SURFACE EMITTING LASER

Номер: US20200073029A1
Автор: ARBABI Amir, HAN Seunghoon, Mirzapourbeinekalaye Babak, NA Byunghoon
Принадлежит:

Provided is a metamaterial-based reflector including a first metamaterial layer including an array of first nanostructures, and a second metamaterial layer provided on the first metamaterial layer, the second metamaterial layer including an array of second nanostructures, wherein an arrangement of the second nanostructures is different from an arrangement the first nanostructures. 1. A metamaterial-based reflector comprises:a first metamaterial layer comprising an array of first nanostructures; anda second metamaterial layer provided on the first metamaterial layer, the second metamaterial layer comprising an array of second nanostructures,wherein the second nanostructures are arranged differently from the first nanostructures.2. The metamaterial-based reflector of claim 1 , wherein the first nanostructures are arranged in a first direction and in a first pattern claim 1 , and the second nanostructures are arranged in a second direction that is different from the first direction and in a second pattern that is different from the first pattern.3. The metamaterial-based reflector of claim 1 , wherein the first nanostructures are arranged in parallel with each other in a first direction claim 1 , andwherein the second nanostructures are arranged in a second direction that is different from the first direction or in a plurality of directions that are different from the first direction based on regions of the second metamaterial layer.4. The metamaterial-based reflector of claim 1 , wherein the first metamaterial layer comprises a transmissive wave plate claim 1 , andthe second metamaterial layer comprises a reflective wave plate.5. The metamaterial-based reflector of claim 4 , wherein the first nanostructures are arranged in parallel with each other in a first direction claim 4 , andwherein the second nanostructures are arranged in parallel with each other in a second direction that is rotated by θ with respect to the first direction, θ being less than 90 degrees.6. The ...

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Номер записи: 63
05-03-2020 дата публикации

LIGHT GUIDE FILM ASSEMBLY, FRONT LIGHT SOURCE AND REFLECTIVE DISPLAY DEVICE

Номер: US20200073044A1
Автор: WANG Shuo
Принадлежит:

The present disclosure provides a light guide film assembly for a reflective display panel, the light guide film assembly including a light guide film. The light guide film includes a front light exit surface and a rear light exit surface opposite to each other, and a light incident surface connected between the front light exit surface and the rear light exit surface. A plurality of microstructured strips are disposed on the rear light exit surface, and the plurality of microstructured strips are configured to reflect, in a direction away from the rear light exit surface, light transmitted from the light guide film to the plurality of microstructured strips. 1. A light guide film assembly for a reflective display panel , the light guide film assembly comprising:a light guide film comprising a front light exit surface and a rear light exit surface opposite to each other, and a light incident surface connected between the front light exit surface and the rear light exit surface; anda plurality of microstructured strips on the rear light exit surface, the plurality of microstructured strips being configured to reflect, in a direction away from the rear light exit surface, light transmitted from the light guide film to the plurality of microstructured strips.2. The light guide film assembly of claim 1 , wherein a longitudinal direction of the plurality of microstructured strips is parallel to a longitudinal direction of the light incident surface.3. The light guide film assembly of claim 2 , wherein a cross section of at least one microstructured strip of the plurality of microstructured strips perpendicular to the longitudinal direction of the plurality of microstructured strips has a shape of trapezoid claim 2 , one edge of the trapezoid close to the light guide film being a top base of the trapezoid claim 2 , one edge of the trapezoid away from the light guide film being a bottom base of the trapezoid claim 2 , and an angle between any one of legs of the trapezoid ...

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Номер записи: 64
22-03-2018 дата публикации

Display Panel and Display Device

Номер: US20180081235A1
Автор: Hongbo FENG, Jian Gao, Pengcheng LU, Qian Wang, Rui Xu, Wenqing ZHAO, Xiaochen Niu, Xiaochuan Chen
Принадлежит: Beijing BOE Optoelectronics Technology Co Ltd, BOE Technology Group Co Ltd

A display panel and a display device are provided. The display panel includes a first substrate and a second substrate that disposed opposite to each other, and a first optical film that provided on a side of the first substrate facing the second substrate. The first optical film is provided with a plurality of nanoscale microstructures, so that the first optical film is capable of splitting incident white light into a plurality of monochromatic light beams with different colors.

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Номер записи: 65
31-03-2022 дата публикации

Member with porous layer and coating liquid for forming porous layer

Номер: US20220098093A1
Автор: Shuhei Yamamoto, Shun Ouchi, Tomonari Nakayama
Принадлежит: Canon Inc

The present disclosure provides a member having a porous layer containing particles and having a low refractive index and high film strength and a coating liquid for forming a porous layer containing particles, wherein the porous layer contains a plurality of silicon oxide particles bound by an inorganic binder and at least one acid.

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Номер записи: 66
23-03-2017 дата публикации

Collimating Metalenses and Technologies Incorporating the Same

Номер: US20170082263A1
Автор: Aieta Francesco, Byrnes Steve, Capasso Federico, Lenef Alan
Принадлежит:

Metalenses and technologies incorporating the same are disclosed. In some embodiments, the metalenses are in the form of a hybrid multiregion collimating metalens that includes a first region and a second region, wherein the hybrid multiregion collimating metalens is configured to collimate (e.g., visible) light incident thereon. In some instances the first region includes an array of first unit cells that contain subwavelength spaced nanostructures, such that the first region functions as a subwavelength high contrast grating (SWHCG), whereas the second region includes an array of second unit cell, wherein the array of second unit cells includes a near periodic annular arrangement of nanostructures such that the second region approximates the functionality of a locally periodic radial diffraction grating. Lighting devices including such metalenses are also disclosed. 2700. The multiregion hybrid collimating metalens () of claim 1 , wherein:{'b': 820', '910, 'the array of first unit cells () comprises a hexagonal array of said subwavelength spaced nanostructures ().'}3700820820700. The hybrid multiregion collimating metalens () of claim 1 , wherein the array of first unit cells () has a duty cycle that varies as a function of a position of a respective one of said first unit cells () in said first array claim 1 , relative to an optical axis of said metalens ().4700. The multiregion hybrid collimating metalens () of claim 1 , wherein:{'b': '820', 'said array of first unit cells () is configured to impart a first type of approximation of a target hyperboloidal phase to light incident thereon;'}{'b': '830', 'said array of second unit cells () is configured to impart a second type of approximation of the target hyperboloidal phase to light incident thereon; and'}the first type of approximation of the target hyperboloidal phase is different than the second type of approximation of the hyperboloidal phase.5700. The multiregion hybrid collimating metalens () of claim 4 , ...

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Номер записи: 67
31-03-2022 дата публикации

Near-eye display apparatus

Номер: US20220099974A1
Автор: Chenru WANG, HAO Zhang, Jiarong BAI, Ke Li, Na HAN, Ruijun Dong, Yulong WU
Принадлежит: Beijing BOE Optoelectronics Technology Co Ltd, BOE Technology Group Co Ltd

The present disclosure discloses a near-eye display apparatus including: a first display screen and a second display screen; and a first collimating lens, a second collimating lens, a first polarization converter which converts emitted light of the first display screen into first circularly polarized light, a second polarization converter which converts emitted light of the second display screen into second circularly polarized light, a waveguide plate configured to conduct the first circularly polarized light and the second circularly polarized light, and a super lens which is located in a light emitting region of the waveguide plate.

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Номер записи: 68
12-03-2020 дата публикации

ANTI-FOG AND ANTI-REFLECTIVE DUAL-FUNCTIONAL COATING FOR OPTICAL ARTICLES

Номер: US20200081159A1
Автор: Johnson Philip M., Nebo Jon, ZHU Shaopeng
Принадлежит:

A coating for an optical article, such as a lens, includes a bottom coating having at least one hydrophilic resin binder and at least one surfactant, forming an anti-fogging layer, and a top coating overlying the bottom coating, forming an anti-reflective layer. The top coating includes nanopores, which may be less than 150 nm in size. 120-. (canceled)21. A method of making an optical article , comprising:applying a bottom coating composition to a top surface of the optical article, the bottom coating composition comprising at least one hydrophilic resin binder;applying a top coating composition over the bottom coating composition, the top coating composition comprising nanopores and nanoparticles; andcuring the bottom coating composition and top coating composition in a single curing step, a cured bottom coating forming an anti-fogging layer and a cured top coating forming an anti-reflective layer on the top surface of the optical article.22. The method of claim 21 , wherein the nanopores have less than 150 nm pore size.23. The method of claim 21 , wherein the cured top coating further comprises a porosity from about 30% to about 90%.24. The method of claim 21 , wherein the nanoparticles have a diameter ranging in size from about 1 to about 150 nm dispersed in a solvent.25. The method of claim 21 , wherein applying the top coating composition over the bottom coating composition is done by a method selected from the group consisting essentially of sol-gel dip-coating claim 21 , chemical bath deposition claim 21 , oblique angle evaporation claim 21 , layer-by-layer assembly claim 21 , and soft-templated solvent deposition.26. The method of claim 21 , further comprising:applying the bottom coating composition to a bottom surface of the optical substrate;applying the top coating composition over the bottom coating composition on the bottom surface of the optical substrate; andcuring the bottom coating composition and top coating composition in a single curing step.27. ...

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Номер записи: 69
25-03-2021 дата публикации

HIGH FREQUENCY HYBRID PHONONIC METAMATERIALS FOR OPTICAL AND ELECTRICAL DEVICES

Номер: US20210088693A1
Автор: DONADIO DAVIDE, Hihath Joshua, Momeni Omeed
Принадлежит: The Regents of the University of California

Various metamaterials are disclosed. An example metamaterial comprises: a first portion with a plurality of nanoparticles; a second portion with a plurality of molecules configured to interlink with the plurality of nanoparticles; and a signal generator configured to provide a signal to the material. The first portion and the second portion of the material are configured to form a hybrid molecule-nanoparticle super-lattice. In some implementations, the first portion of the material is configured to have a mass configured to achieve, at least in part, a designated resonance frequency. The second portion of the material is, in some implementations, configured to have a molecular stiffness configured to achieve, at least in part, the designated resonance frequency. The signal generator is, in some implementations, configured to generate radio frequency (RF) signals. 1. A metamaterial comprising:a first portion comprising a plurality of nanoparticles; anda second portion comprising a plurality of molecules configured to interlink with the plurality of nanoparticles;wherein the first portion and the second portion of the material are configured to form a hybrid molecule-nanoparticle superlattice.2. The metamaterial of claim 1 , wherein the first portion of the material is configured to have a mass configured to achieve claim 1 , at least in part claim 1 , a designated resonance frequency.3. The metamaterial of claim 2 , wherein the second portion of the material is configured to have a molecular stiffness configured to achieve claim 2 , at least in part claim 2 , the designated resonance frequency.4. A metamaterial comprising:a first portion comprising a plurality of nanoparticles; anda second portion comprising a plurality of molecules configured to interlink with the plurality of nanoparticles;wherein the first portion and the second portion of the material form a hybrid molecule-nanoparticle superlattice;wherein the nanoparticles have a designated resonance frequency ...

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Номер записи: 70
05-05-2022 дата публикации

METALENS PORTION, ELECTRONIC DEVICE AND METHOD

Номер: US20220137259A1
Автор: GRECO Tonino, ZIMMERMANN Klaus
Принадлежит: Sony Group Corporation

The disclosure generally pertains to a metalens portion comprising a plurality of holes in a first substrate, wherein at least two holes of the plurality of holes differ in size, and wherein a refractive index of the metalens portion is defined by at least one of shape of the holes and an arrangement pattern of the holes, thereby providing a metalens.

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Номер записи: 71
05-05-2022 дата публикации

WEEKLY AND MONTHLY DISPOSABLE WATER GRADIENT CONTACT LENSES

Номер: US20220137263A1
Автор: Chang Yuan, Chiang Chung-Yuan, Leveillee Ethan, Pruitt John Dallas, Qiu Yongxing, Samuel Newton T., Tucker Robert Carey
Принадлежит:

The invention is related to contact lenses that not only comprise the much desired water gradient structural configurations, but also have a minimized uptakes of polycationic antimicrobials and a long-lasting surface hydrophilicity and wettability even after going through a 30-days lens care regime. Because of the water gradient structural configuration and a relatively-thick, extremely-soft and water-rich hydrogel surface layer, a contact lens of the invention can provide superior wearing comfort. Further, a contact lens of the invention is compatible with multipurpose lens care solutions present in the market and can endure the harsh lens care handling conditions (e.g., digital rubbings, accidental inversion of contact lenses, etc.) encountered in a daily lens care regime. As such, they are suitable to be used as weekly- or monthly-disposable water gradient contact lenses.

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Номер записи: 72
05-05-2022 дата публикации

POLYDIMETHYLSILOXANE ANTIREFLECTIVE LAYER FOR AN IMAGE SENSOR

Номер: US20220139980A1
Автор: CHUNG Chen-Kuei, LIN YI-MING, WU Chen-Chi
Принадлежит:

An image sensor may include a polydimethylsiloxane (PDMS) layer that is subwavelength, hydrophobic, and/or antireflective. The PDMS layer may be fabricated to include a surface having a plurality of nanostructures (e.g., an array of convex protuberances and/or an array of concave recesses). The nanostructures may be formed through the use of a porous anodic aluminum oxide (AAO) template that uses a plurality of nanopores to form the array of convex protuberances and/or the array of concave recesses. The nanostructures may each have a respective width that is less than the wavelength of incident light that is to be collected by the image sensor to increase light absorption by increasing the angle of incidence for which the image sensor is capable of collecting incident light. This may increase the quantum efficiency of the image sensor and may increase the sensitivity of the image sensor.

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Номер записи: 73
30-03-2017 дата публикации

METHOD OF MANUFACTURING A NANOSTRUCTURED SPECTRAL FILTER

Номер: US20170092678A1
Автор: Boutami Salim, Girard Desprolet Romain, Lhostis Sandrine, Marty Michel
Принадлежит:

A spectral filter is manufactured using a process wherein a first rectangular bar is formed within a first layer made of a first material, said first rectangular bar being made of a second material having a different optical index. The process further includes, in a second layer over the first layer, a second rectangular bar made of the second material. The second rectangular bar is positioned in contact with the first rectangular bar. The second layer is also made of the first material. 1. A method of manufacturing a spectral filter , comprising the successive steps of:a) forming in a first layer made of a first material a first rectangular bar made of a second material having an optical index different from that of the first material; andb) forming in at least a second layer a second rectangular bar made of the second material and in contact with the first rectangular bar, the second layer resting on the first layer and being made of the first material.2. The method of claim 1 , wherein step b) forming the second rectangular bar comprises forming said second rectangular bar in said second layer and further in at least a portion of said first layer.3. The method of claim 1 , wherein the first material is a metal and the second material is a dielectric.4. The method of claim 1 , wherein the first material is a dielectric and the second material is a metal.5. The method of claim 1 , wherein step a) forming comprises the successive steps of:a1) etching through an entire thickness of the first layer to form a first rectangular cavity; anda2) filling the first rectangular cavity with the second material to form the first rectangular bar therein.6. The method of claim 5 , wherein step b) forming comprises the successive steps of:b1) depositing the second layer on the first layer;b2) etching through at least an entire thickness of the second layer to form a second rectangular cavity; andb3) filling the second rectangular cavity with the second material to form the second ...

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Номер записи: 74
19-03-2020 дата публикации

OPTICAL SHEET, MOULD AND COVER PLATE FOR ELECTRONIC DEVICE

Номер: US20200088918A1
Автор: GAO YULONG, HONG Shen, Kang Hongwei, Shen Su
Принадлежит:

This application discloses an optical sheet, including a polymer layer; a certain number of small short lines, the certain number of small short lines being formed at a side of the polymer layer and forming a micro-nano structure; wherein at least one of the small short lines is of a convex structure or a concave structure, and two sidelines of the small short line are parallel to each other or intersect in a plane. This application provides a new texture structure, in which directions of the small short lines may be changed randomly or according to a wanted effect in a certain direction. There exists at least one light pillar in the optical sheet with such a texture structure under a certain light source. The cover plate for an electronic device adopts the texture structure or the optical sheet. 1. An optical sheet , it comprises:a polymer layer;a certain number of small short lines, the certain number of small short lines being formed at a side of the polymer layer and forming a micro-nano structure;wherein at least one of the small short lines is of a convex structure or a concave structure, and two sidelines of the small short line are parallel to each other or intersect in a plane or at least one sideline of the small short line is a curve.2. The optical sheet according to claim 1 , wherein there is an included angle between at least one of the small short lines and the horizontal direction.3. The optical sheet according to claim 2 , wherein there are included angles a and b between at least two small short lines and the horizontal direction claim 2 , the included angle a being unequal to the included angle b.4. The optical sheet according to claim 1 , wherein the certain number of small short lines are arranged in an arrangement of a predetermined form.5. The optical sheet according to claim 4 , wherein the arrangement of a predetermined form is linear or substantially linear.6. The optical sheet according to claim 1 , wherein there exist intervals between ...

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Номер записи: 75
01-04-2021 дата публикации

Base film for light diffusion film, light diffusion film, display apparatus, and production method thereof

Номер: US20210096426A1
Автор: Shijun Zhao, Xihong ZHONG, Yong Yang, Yu Gong, Yujiao Jin
Принадлежит: BOE Technology Group Co Ltd, Chongqing BOE Display Lighting Co Ltd

A base film for a light diffusion film includes a transparent polymer layer, which comprises a plurality of nanopores, and liquid crystal filled in the plurality of nanopores. A light diffusion film, a display device, and production methods thereof are also disclosed.

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Номер записи: 76
05-04-2018 дата публикации

Quantum dot unit, quantum dot sheet having the same, and display device having the quantum dot unit or the quantum dot sheet

Номер: US20180095218A1
Автор: Byoung-jin CHO, Nae-Won Jang, Seung Hun Chae, Young Chol Lee
Принадлежит: SAMSUNG ELECTRONICS CO LTD

Disclosed herein are a quantum dot unit having an improved structure for improving color reproducibility, a quantum dot sheet having the same, and a display device having the quantum dot unit or the quantum dot sheet. The display device includes a display panel configured to display an image, a light source provided to emit light to the display panel, a light guide plate provided to guide the light emitted from the light source to the display panel, and a quantum dot unit disposed between the light source and the light guide plate to change a wavelength of the light emitted from the light source and having ductility, wherein the quantum dot unit includes a glass fiber having a hollow portion and a quantum dot accommodated in the hollow portion.

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Номер записи: 77
12-05-2022 дата публикации

Optical metasurfaces, and associated manufacturing methods and systems

Номер: US20220146710A1
Автор: Elena MIKHEEVA, Ivan VOZNYUK, Julien Lumeau, Redha Abdeddaim, Stefan Enoch, Tryfon Antonakakis
Принадлежит: Aix Marseille Universite, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS, Ecole Centrale de Marseille, Multiwave Innovation

A method for manufacturing an optical metasurface is configured to operate in a given working spectral band. The method comprises: obtaining a 2D array of patterns, each comprising one or more nanostructures forming dielectric elements that are resonant in said working spectral band, said nanostructures being formed in at least one photosensitive dielectric medium; exposing said 2D array to a writing electromagnetic wave having at least one wavelength in said photosensitivity spectral band, said writing wave having a spatial energy distribution in a plane of the 2D array that is a function of an intended phase profile, so that each pattern of the 2D array produces on an incident electromagnetic wave having a wavelength in the working spectral band, a phase variation corresponding to a refractive index variation experienced by said pattern during said exposure.

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Номер записи: 78
12-05-2022 дата публикации

SEMICONDUCTOR NANOPARTICLES, A COLOR CONVERSION MEMBER FOR A DISPLAY DEVICE INCLUDING THE SAME, AN ELECTRONIC APPARATUS INCLUDING THE SEMICONDUCTOR NANOPARTICLES, AND A METHOD OF MANUFACTURING THE SEMICONDUCTOR NANOPARTICLES

Номер: US20220146724A1
Автор: Jo Jungho, KWON Sunyoung, Kwon Youngsoo, LEE Hyeokjin, OH Keunchan, Yang Heesun
Принадлежит:

A semiconductor nanoparticle for a color conversion member of a display device includes: a central portion including at least one of i) InP, ii) a ternary compound consisting of indium, phosphorus, and one element of Groups I-VII, and iii) InP doped with at least one transition metal of Groups I-VII; an inner portion proximate to the central portion and including a phosphide of at least one of boron, aluminum, and gallium; a middle portion proximate to the inner portion and including at least one of ZnSe and ZnSeS; and an outer portion proximate to the middle portion and including one or more compounds of Groups II-VI, wherein x is 0 Подробнее

Номер записи: 79
12-05-2022 дата публикации

OPTICAL LAMINATE

Номер: US20220146732A1
Автор: BYUN Jin Seok, CHANG Yeong Rae, Rah Kyun Il, SHIN Na Young
Принадлежит:

The present disclosure relates to an optical laminate or a reddening-resistant layer. The present disclosure can provide an optical laminate that does not cause a so-called reddening phenomenon even when driven or maintained under extremely harsh conditions (e.g., very high temperature conditions), or a reddening-resistant layer applied thereto. 1. An optical laminate , comprising:an optical functional layer; anda porous layer formed on at least one side of the optical functional layer.2. The optical laminate according to claim 1 , wherein an absolute value of a change in an amount of color coordinate a* of CIE L*a*b* according to Equation 1 is 2 or less:{'br': None, 'i': a*=a*', '−a*, 'sub': a', 'i, 'Δ\u2003\u2003[Equation 1]'}{'sub': a', 'i, 'wherein Δa* is the change in the amount of the color coordinate a*, a*is a color coordinate a* of the optical laminate after maintaining the optical laminate at 105° C. for 250 hours under a state where both top and bottom surfaces of the optical laminate come in contact with glass substrates and a*is a color coordinate a* of the optical laminate before maintaining the optical laminate at 105° C. for 250 hours.'}3. The optical laminate according to claim 1 , wherein an absolute value of a change in an amount of transmittance according to Equation 2 is 5 or less:{'br': None, 'i': Ts=T', '−T, 'sub': a', 'i, 'Δ\u2003\u2003[Equation 2]'}{'sub': a', 'i, 'wherein ΔTs is the change in the amount of the transmittance, Tis a transmittance of the optical laminate after maintaining the optical laminate at 105° C. for 250 hours under a state where both top and bottom surfaces of the optical laminate come in contact with glass substrates, and Tis a transmittance of the optical laminate before maintaining the optical laminate at 105° C. for 250 hours.'}4. The optical laminate according to claim 1 , wherein the optical functional layer is an iodine-based polarizing layer.5. The optical laminate according to claim 1 , wherein the porous ...

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Номер записи: 80
16-04-2015 дата публикации

Anti reflective coating for photovoltaic glass panel

Номер: US20150104568A1
Автор: Jean-François Oudard
Принадлежит: AGC Flat Glass North America Inc

A method of making an anti-reflective film comprises preparing a liquid composition with specific amounts of tetraethyl orthosilicate, polyethylene glycol, HCl, ethanol and at least one alcohol having a higher boiling point than ethanol and miscibility with both ethanol and water; applying the liquid composition onto a surface of a substrate to form a liquid film; evaporating the ethanol and the at least one alcohol from the liquid film to form a solid film; and heating the solid film to form a silica film.

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Номер записи: 81
01-04-2021 дата публикации

PHASE MODULATION ELEMENT AND DISPLAY DEVICE

Номер: US20210099681A1
Автор: YAMADA Fumika
Принадлежит: SEIKO EPSON CORPORATION

A phase modulation element of the present disclosure includes a substrate, and a plurality of columnar structures formed from a dielectric material provided at a first surface of the substrate, wherein the plurality of columnar structures have a refractive index and a pitch that produce a waveguide effect for incident light including a first light component and a second light component, the first surface of the substrate includes a first region provided with a plurality of first columnar structures that modulate phase for the first light component, and a second region provided with a plurality of second columnar structures that modulate phase for the second light component having parameters different from parameters of the first light component. 1. A phase modulation element , comprising:a substrate; anda plurality of columnar structures provided at a first surface of the substrate, whereinthe plurality of columnar structures have a refractive index and a pitch that produce a waveguide effect for incident light including a first light component, and a second light component having characteristic parameters different from characteristic parameters of the first light component,the first surface of the substrate includes a first region provided with a plurality of first columnar structures that modulate phase for the first light component, and a second region provided with a plurality of second columnar structures that modulate phase for the second light component.2. The phase modulation element according to claim 1 , whereinthe first light component and the second light component are different from each other in at least one characteristic parameter among a wavelength, an incident angle, and a polarization state.3. The phase modulation element according to claim 2 , whereinthe first columnar structure and the second columnar structure are different from each other in at least one structural parameter among a diameter, a pitch, a height, and a shape.4. The phase ...

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Номер записи: 82
12-04-2018 дата публикации

MANUFACTURING METHOD OF QUANTUM DOT GLUE, QUANTUM DOT GLUE AND QUANTUM DOT POLARIZER

Номер: US20180100090A1
Автор: LI Dongze
Принадлежит:

The invention provides a manufacturing method of a quantum dot glue, a quantum dot glue and a quantum dot polarizer. In the manufacturing method, a polyvinyl alcohol glue is added with water-soluble quantum dot materials, and an alkaline solution is used to adjust its pH value to be above 7, so that a quantum dot glue is obtained, the manufacturing process is simple and the obtained quantum dot glue can be used for fabricating a quantum dot polarizer. The quantum dot polarizer is provided with a quantum dot glue layer formed by coating the quantum dot glue, since the quantum dot glue itself is alkaline, an alkali treatment process applied to a bonded layer is eliminated and thus can be directly coated, so that the manufacturing process is simplified. Moreover, since it is added with quantum dot materials, color gamut and display quality of display device can be improved. 1. A manufacturing method of a quantum dot glue , comprising following steps of:step 1: providing a water-soluble red quantum dot material, a water-soluble green quantum dot material and a polyvinyl alcohol glue, making the water-soluble red quantum dot material, the water-soluble green quantum dot material and the polyvinyl alcohol glue be mixed together and uniformly dispersed, and thereby obtaining a quantum dot glue mixture;step 2: adding an alkaline solution into the quantum dot glue mixture to adjust a pH value thereof to be above 7 and thereby obtaining a quantum dot glue.2. The manufacturing method of a quantum dot glue according to claim 1 , wherein the water-soluble red quantum dot material comprises a red quantum dot and a water-soluble ligand located at a surface of the red quantum dot; the water-soluble green quantum dot material comprises a green quantum dot and a water-soluble ligand located at a surface of the green quantum dot;{'sub': 2', '2, 'wherein the red quantum dot comprises a first core in the middle and a first shell surrounding around the first core, a material of the first ...

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Номер записи: 83
13-04-2017 дата публикации

NANOSTRUCTURE AND OPTICAL DEVICE INCLUDING THE NANOSTRUCTURE

Номер: US20170101515A1
Автор: KIM Unjeong, Lee Changwon, PARK Soojin, PARK Yeonsang, ROH Younggeun, YOO Seungmin
Принадлежит:

Provided are a nanostructure and an optical device including the nanostructure. The nanostructure is formed on a two-dimensional material layer such as graphene and includes nanopatterns having different shapes. The nanopatterns may include a first nanopattern and a second nanopattern and may be spherical; cube-shaped; or poly-pyramid-shaped, including a triangular pyramid shape; or polygonal pillar-shaped. 1. A method of manufacturing a nanostructure , the method comprising:preparing a solvent in which a block copolymer is dissolved;adding a metal precursor to the solvent; andreducing the metal precursor to a plurality of first nanopatterns and a plurality of second nanopatterns, wherein one of a shape and a size of the plurality of second nanopatterns is different from the one of a shape and a size of the plurality of first nanopatterns, by adding a reducing agent to the solvent.2. The method of claim 1 , wherein the solvent is a mixture comprising tetrahydrofuran (THF) contained in at least one of toluene claim 1 , xylene claim 1 , and ethylbenzene.3. The method of claim 2 , wherein in the solvent claim 2 , a mixture ratio of toluene claim 2 , xylene or ethylbenzene with respect to the THF is about 10:90 to about 90:10 vol %.4. The method of claim 2 , wherein the block copolymer is PS-b-P4VP claim 2 , and in the solvent claim 2 , a mixture ratio of toluene claim 2 , xylene claim 2 , or ethylbenzene with respect to THF is about 10:90 to about 50:50 vol %.5. The method of claim 2 , wherein the block copolymer is PS-b-P2VP claim 2 , and in the solvent claim 2 , a mixture ratio of toluene claim 2 , xylene claim 2 , or ethylbenzene with respect to THF is about 50:50 to about 90:10 vol %.6. A method of manufacturing a nanostructure claim 2 , the method comprising:forming a metal seed;adding a precursor of nanopatterns and a direction indicator to a solution comprising the metal seed; andforming a plurality of first nanopatterns and a plurality of second nanopatterns, ...

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Номер записи: 84
13-04-2017 дата публикации

COLOR FILTER AND DISPLAY APPARATUS EMPLOYING THE SAME

Номер: US20170102487A1
Автор: CHOI Kyungmin, IM Choongyoul, JANG Mi, KIM Younjoon, Kwon Dohyun, Lee JungHun, Lee Minjung, LEE Minsu, OH Mira
Принадлежит:

A color filter and a display apparatus employing the color filter are provided. The color filter includes a base substrate and a color photoresist layer disposed on the base substrate. The color photoresist layer includes a photopolymerized photosensitive composition, at least one of a pigment and a dye, and quantum dots. 1. A color filter comprising:a base substrate; and a photopolymerized photosensitive composition;', 'at least one of a pigment and a dye; and', 'quantum dots., 'a color photoresist layer disposed on the base substrate, the color photoresist layer comprising2. The color filter of claim 1 , wherein the color photoresist layer further comprises metal nanoparticles.3. The color filter of claim 2 , wherein each of the metal nanoparticles comprises a plurality of sides and at least one corner formed by the plurality of sides.4. The color filter of claim 2 , wherein a cross-sectional shape of each of the metal nanoparticles is a triangle in which at least one corner is chamfered.5. The color filter of claim 1 , whereinthe color photoresist layer comprises a plurality of color filter regions each configured to generate different colors, andthe plurality of color filters further comprise first metal nanoparticles and second metal nanoparticles, wherein the first metal nanoparticles and the second metal nanoparticles have different shapes.6. The color filter of claim 5 , wherein a cross-sectional shape of each of the first and second metal nanoparticles is a triangle in which at least one corner is chamfered.7. The color filter of claim 5 , wherein one of the plurality of color filter regions configured to generate a color of a relatively short wavelength comprises the first metal nanoparticles claim 5 ,wherein a corner shape of the first nanoparticles have is relatively more round than a s corner shape of the second metal nanoparticles.8. The color filter of claim 2 , wherein the color photoresist layer further comprises alkyl groups claim 2 ,wherein the ...

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Номер записи: 85
08-04-2021 дата публикации

ABERRATION CORRECTORS BASED ON DISPERSION-ENGINEERED METASURFACES

Номер: US20210103141A1
Автор: Capasso Federico, CHEN Wei-Ting, SISLER Jared F.G., ZHU Alexander Yutong
Принадлежит: President and Fellows of Harvard College

An optical device for aberration correction (e.g., chromatic aberration correction) is disclosed. The optical device includes an optical component (e.g., a spherical lens) and a metasurface optically coupled to the optical component. The metasurface includes a plurality of nanostructures that define a phase profile. The phase profile corrects an aberration (e.g., chromatic aberration) caused by the optical component. The resulting optical device becomes diffraction-limited (e.g., for the visible spectrum) with the metasurface. 1. An optical device for aberration correction , comprising:an optical component; anda metasurface optically coupled to the optical component, the metasurface including a plurality of nanostructures that define a phase profile, wherein the phase profile corrects one or more aberrations of the optical component.2. The optical device of claim 1 , wherein the aberrations include one or more monochromatic aberrations and chromatic aberration.3. The optical device of claim 1 , wherein the one or more monochromatic aberrations include spherical aberration claim 1 , coma claim 1 , astigmatism claim 1 , distortion claim 1 , or field curvature.4. The optical device of claim 1 , wherein the nanostructures include nano-pillars.5. The optical device of claim 4 , wherein a cross-section of the nano-pillars is circular claim 4 , rectangular claim 4 , elliptical or square claim 4 , and the nano-pillars include at least one lossless material in a visible spectrum.6. The optical device of claim 5 , wherein the at least one lossless material includes TiO claim 5 , GaN claim 5 , SiN claim 5 , SiO claim 5 , MgF claim 5 , or LiF.7. The optical device of claim 1 , wherein the optical component is a spherical lens claim 1 , and the metasurface is attached or separated by an air gap to a planar surface of the spherical lens.8. The optical device of claim 1 , wherein the phase profile of the metasurface is a spatially-dependent and frequency-dependent phase profile.9. ...

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Номер записи: 86
08-04-2021 дата публикации

AUGMENTED REALITY DEVICE INCLUDING FLAT COMBINER AND ELECTRONIC DEVICE INCLUDING THE SAME

Номер: US20210103145A1
Автор: Lee Changkun, Lee Hongseok, Seo Wontaek, SONG Byonggwon, YOU Jangwoo
Принадлежит: SAMSUNG ELECTRONICS CO., LTD.

An augmented reality device may include: a light source; a display device comprising a plurality of pixels and configured to generate a first image based on light incident from the light source; and an optical combiner comprising a plurality of optical combining units each including a first area and a second area, wherein the first area reflects a plurality of beams constituting the first image at different reflection angles according to wavelengths and incident angles and transfers the reflected plurality of beams to a predetermined viewer position, and the second area transmits a beam of a second image received from outside and transfers the beam of the second image to the predetermined viewer position. 1. An augmented reality device comprising:a light source;a display device comprising a plurality of pixels and configured to generate a first image based on light incident from the light source; andan optical combiner comprising a plurality of optical combining units each including a first area and a second area, wherein the first area reflects a plurality of beams constituting the first image at different reflection angles according to wavelengths and incident angles and transfers the reflected plurality of beams to a predetermined viewer position, and the second area transmits a beam of a second image received from outside and transfers the beam of the second image to the predetermined viewer position.2. The augmented reality device of claim 1 , wherein the first area is configured to collimate a beam being incident from the plurality of pixels.3. The augmented reality device of claim 1 , wherein the first area comprises a plurality of phase modulators configured to reflect different wavelengths of the plurality of beams.4. The augmented reality device of claim 3 , wherein the plurality of phase modulators comprise a plurality of nanostructures.5. The augmented reality device of claim 4 , wherein at least two nanostructures of the plurality of nanostructures have ...

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Номер записи: 87
13-04-2017 дата публикации

METHOD OF FORMING MICROSPHERE HAVING STRUCTURAL COLOR

Номер: US20170103833A1
Автор: Ge Jianping, KIM Hyoki, Kwon Sunghoon, Yin Yadong
Принадлежит:

Provided is a method of forming a microsphere having a structural color, which includes providing a composition for generating a structural color including a curable material and magnetic nanoparticles dispersed in the curable material, forming an emulsion by adding the composition for generating a structural color to an immiscible solvent, arranging the magnetic nanoparticles located in the emulsion droplet of the curable material in a one-dimensional chain structure by applying a magnetic field to the emulsion, and fixing the chain structure by curing the emulsion droplet. 1. A microsphere having a structural color comprising:a solid matrix; andmagnetic nanoparticles aligned in one-dimensional chain structures to exhibit a structural color within the solid matrix.2. The microsphere according to claim 1 , wherein the magnetic nanoparticles include a superparamagnetic material.3. The microsphere according to claim 1 , wherein the magnetic nanoparticles have a structure coated with a shell layer surrounding a core formed in a cluster of magnetic nanocrystals.4. The microsphere according to claim 3 , further comprising a solvation layer coating a surface of the magnetic nanoparticles.5. The microsphere according to claim 1 , wherein the microsphere contains an ordered structure of a photonic crystal due to alignment of the magnetic nanoparticles claim 1 , and a diffraction angle of light passing through the microsphere is changed with rotation of the microsphere.6. The microsphere according to claim 1 , wherein the microsphere is dispersed in a phase-changeable matrix.7. A display device comprising a microsphere rotated by an external magnetic field claim 1 ,wherein the microsphere contains an ordered structure of a photonic crystal due to alignment of magnetic nanoparticles, and a diffraction angle of light passing through the microsphere is changed with rotation of the microsphere.8. The display device according to claim 7 , wherein the magnetic nanoparticles ...

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Номер записи: 88
02-04-2020 дата публикации

Anti-Reflection Coating

Номер: US20200103558A1
Автор: KELKAR Parag Vinayak, PETERSON David Hart
Принадлежит:

A method of forming an anti-reflection layer, the method including applying a first mixture to an object, the first mixture made from a combination of aluminum tri-sec-butoxide (ATSB), a first chelating agent, water and an alcohol; removing a majority of the alcohol from the applied first mixture; after the removing, applying a second mixture to the object, the second mixture made from a combination of aluminum tri-sec-butoxide, a second chelating agent different than the first chelating agent, water and an alcohol; and removing a majority of the alcohol from the applied second mixture, wherein the applied first and second mixtures are used to form the anti-reflection layer. 115.-. (canceled)16. A method of forming an anti-reflection layer , the method comprising:applying a first mixture to an object, the first mixture made from a combination comprising aluminum tri-sec-butoxide (ATSB), a first chelating agent, water and an alcohol;removing a majority of the alcohol from the applied first mixture;after the removing, applying a second mixture to the object, the second mixture made from a combination comprising ATSB, a second chelating agent different than the first chelating agent, water and additional alcohol; andremoving a majority of the alcohol from the applied second mixture,wherein the applied first and second mixtures are used to form the anti-reflection layer.17. The method of claim 16 , further comprising exposing the applied first and second mixtures to water at a temperature of at least 50° C.18. The method of claim 16 , wherein the first or second chelating agent comprises acetylacetone (AcAcH).19. The method of claim 16 , wherein the first or second chelating agent comprises ethyl acetoacetate (EAA).20. The method of claim 19 , wherein the first chelating agent comprises acetylacetone (AcAcH) and the second chelating agent comprises ethyl acetoacetate (EAA).21. The method of claim 16 , wherein the ATSB to water molar ratio is selected from about 1:2 to ...

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Номер записи: 89
09-06-2022 дата публикации

A housing for the tip of a disposable insertion endoscope

Номер: US20220175224A1
Автор: Jan Guldberg Hansen, Morten SØRENSEN
Принадлежит: Ambu AS

A housing ( 1 ) for the tip of a disposable insertion endoscope includes a circumferential side wall ( 2 ) having a first end and a second end, and a front wall ( 3 ) arranged at the first end to provide an internal compartment ( 4 ) in the housing ( 1 ), the front wall ( 3 ) including at least one transparent part made of a polymer material and adapted to protect a camera ( 10 ) arranged in the housing behind the at least one transparent part and a front surface ( 15 ) having at least one area provided with a nano-structure.

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Номер записи: 90
10-07-2014 дата публикации

Nanostructured articles and methods to make the same

Номер: US20140193612A1
Автор: Brant U. Kolb, Douglas S. Dunn, Jun-Ying Zhang, Mark A. Strobel, Moses M. David, Seth M. Kirk, Ta-Hua Yu, William Blake Kolb
Принадлежит: 3M Innovative Properties Co

Material comprising sub-micrometer particles dispersed in a polymeric matrix. The materials are useful in article, for example, for numerous applications including display applications (e.g., liquid crystal displays (LCD), light emitting diode (LED) displays, or plasma displays); light extraction; electromagnetic interference (EMI) shielding, ophthalmic lenses; face shielding lenses or films; window films; antireflection for construction applications; and construction applications or traffic signs.

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Номер записи: 91
27-04-2017 дата публикации

Silicone hydrogels having a structure formed via controlled reaction kinetics

Номер: US20170114174A1
Автор: Azaam Alli, Douglas G. Vanderlaan, James D. Ford, Scott L. Joslin
Принадлежит: Johnson and Johnson Vision Care Inc

The present invention relates to a process comprising the steps of reacting a reactive mixture comprising at least one silicone-containing component, at least one hydrophilic component, and at least one diluent to form an ophthalmic device having an advancing contact angle of less than about 80°; and contacting the ophthalmic device with an aqueous extraction solution at an elevated extraction temperature, wherein said at least one diluent has a boiling point at least about 10° higher than said extraction temperature.

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Номер записи: 92
09-06-2022 дата публикации

Optical modulation micro-nano structure, micro-integrated spectrometer and spectrum modulation method

Номер: US20220178748A1
Автор: Fang Liu, Hongbo Zhu, Kaiyu Cui, Wei Zhang, Xue Feng, Xusheng CAI, Yidong Huang
Принадлежит: TSINGHUA UNIVERSITY

An optical modulation micro-nano structure, a micro-integrated spectrometer and a spectrum modulation method are provided. The optical modulation micro-nano structure includes an optical modulation layer located on a photoelectric detection layer that can modulate incident light to form differential responses on the photoelectric detection layer, so as to obtain an original spectrum by reconstruction, thereby overcoming the defects that the existing spectrometers rely too much on precise optical components, which makes spectrometers bulky, heavy and expensive. The optical modulation layer includes a base plate and at least one modulation unit; the base plate is provided on the photoelectric detection layer, and each of the modulation units is located on the base plate; each modulation unit is provided with several modulation holes penetrating into the base plate, and respective modulation holes inside a same modulation unit are arranged into a two-dimensional graphic structure with a specific pattern.

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Номер записи: 93
09-06-2022 дата публикации

OPTICAL TRANSMISSION ELEMENT, HAVING A SUPER-HYDROPHOBIC NANOSTRUCTURED SURFACE HAVING AN ANTI-REFLECTIVE PROPERTY AND COVERED WITH A COMPLIANT HIGH-DENSITY THIN FILM DEPOSIT

Номер: US20220179127A1
Автор: AUBRY Raphaël, CHOLET Julie, DELBOULBE Anne, GUILLEMET Raphaël, LEE BOUHOURS Mane-Si-Laure, LEHOUCQ Gaëlle, MARTINS José-Paolo
Принадлежит:

An optical element is provided, which is transparent at a wavelength of use λ, and which has a super-hydrophobic nanostructured surface that has an anti-reflection property, the surface having an array of pads. —The pads have a nanoscale width, a height h, an aspect ratio of less than 1/2, and the pitch p of the array is such that p Подробнее

Номер записи: 94
09-06-2022 дата публикации

Color filters and devices including the same

Номер: US20220179139A1
Автор: Shang Hyeun Park, Shin Ae Jun, Tae Gon Kim
Принадлежит: SAMSUNG ELECTRONICS CO LTD

A color filter including a first pixel (or color conversion region) that is configured to emit a first light and a display device including the color filter. The first pixel includes a (first) quantum dot composite (or a color conversion layer including the quantum dot composite), wherein the quantum dot composite may include a matrix and a plurality of quantum dots dispersed (e.g., randomly) in the matrix, wherein the plurality of the quantum dots exhibit a multi-modal distribution (e.g., a bimodal distribution) including a first peak particle size and a second peak particle size in a size analysis, wherein the second peak particle size is greater than the first peak particle size, and a difference between the first peak particle size and the second peak particle size is less than or equal to about 5 nanometers (nm) (e.g., less than or equal to about 4.5 nm).

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Номер записи: 95
09-06-2022 дата публикации

COLOR FILTERS AND DEVICES INCLUDING THE SAME

Номер: US20220179140A1
Автор: JUN Shin Ae, KIM Tae Gon, PARK Shang Hyeun
Принадлежит:

A color filter including a first layer including first quantum dots and a second layer including second quantum dots that are different from the first quantum dots, and disposed on the first layer, wherein a quantum yield of the first quantum dots is greater than a quantum yield of the second quantum dots, and wherein an absorption of blue light of the second quantum dots is greater than an absorption of the blue light of the first quantum dots. 1. A color filter comprisinga first pixel that is configured to emit a first light,wherein the first pixel comprises a light emitting layer, a first layer comprising first quantum dots, and', 'a second layer comprising second quantum dots different from the first quantum dots,', 'wherein the second layer is disposed on the first layer,, 'wherein the light emitting layer comprises'}wherein a quantum yield of the first quantum dots is greater than a quantum yield of the second quantum dots, andwherein an absorption of blue light of the second quantum dots is greater than an absorption of the blue light of the first quantum dots.2. The color filter of claim 1 , wherein the quantum yield of the first quantum dots is greater than or equal to about 80%.3. The color filter of claim 1 , wherein the absorption of the blue light of the second quantum dots is greater than or equal to about 82%.4. The color filter of claim 1 , wherein each of the first quantum dots and the second quantum dots exhibit a photoluminescent peak in a green light wavelength region in a photoluminescent spectrum claim 1 , orwherein the first light is a green light.5. The color filter of claim 4 , wherein a photoluminescent peak of the first quantum dots has a full width at half maximum that is narrower than a photoluminescent peak of the second quantum dots claim 4 , orwherein the first quantum dots exhibit a tail emission area percentage that is smaller than a tail emission area percentage of the second quantum dots.6. The color filter of claim 1 , wherein a ...

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Номер записи: 96
13-05-2021 дата публикации

OPTICAL FILTER, SPECTROMETER INCLUDING THE OPTICAL FILTER, AND ELECTRONIC APPARATUS INCLUDING THE OPTICAL FILTER

Номер: US20210140818A1
Автор: BAIK Chanwook
Принадлежит:

An optical filter, a spectrometer including the optical filter, and an electronic apparatus including the optical filter are disclosed. The optical filter includes a first reflector including a plurality of first structures that are periodically two-dimensionally arranged, each of the first structures having a ring shape, and a second reflector spaced apart from the first reflector and including a plurality of second structures that are periodically two-dimensionally arranged. 1. An optical filter comprising:a first reflector comprising a plurality of first structures that are periodically two-dimensionally arranged, each first structure of the plurality of first structures having a ring shape; anda second reflector spaced apart from the first reflector, the second reflector comprising a plurality of second structures that are periodically two-dimensionally arranged.2. The optical filter of claim 1 , wherein each second structure of the plurality of second structures has a ring shape or a disc shape.3. The optical filter of claim 1 , wherein a first size and a first pitch of the plurality of first structures are less than a wavelength of incident light that is incident on the optical filter claim 1 , andwherein a second size and a second pitch of the plurality of second structures are less than the wavelength of the incident light.4. The optical filter of claim 3 , wherein a transmission wavelength of the incident light is determined based on at least one of respective refractive indexes of the plurality of first structures and the plurality of second structures claim 3 , the first size of the plurality of first structures claim 3 , the second size of the plurality of second structures claim 3 , the first pitch of the plurality of first structures claim 3 , the second pitch of the plurality of second structures claim 3 , and an interval between the first reflector and the second reflector.5. The optical filter of claim 4 , wherein the first size of the plurality of ...

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Номер записи: 97
04-05-2017 дата публикации

Optical materials, optical components, devices, and methods

Номер: US20170121602A1
Автор: Emily M. Squires, John R. Linton, Patrick Landreman, Rohit Modi
Принадлежит: SAMSUNG ELECTRONICS CO LTD

An optical material comprising quantum confined semiconductor nanoparticles having an improved solid state photoluminescent efficiency is disclosed. Also disclosed is an optical component including an optical material comprising quantum confined semiconductor nanoparticles having an improved solid state photoluminescent efficiency. Further disclosed are methods for treating an optical material comprising quantum confined semiconductor nanoparticles. Further disclosed are methods for treating an optical component including an optical material comprising quantum confined semiconductor nanoparticles. One method comprises exposing the optical material to a light flux and heat for a period of time sufficient to increase the solid state photoluminescent quantum efficiency of the optical material by at least 10% of its pre-exposure solid state photoluminescent quantum efficiency value. Another method comprises exposing an optical component comprising quantum confined semiconductor nanoparticles to a light flux and heat for a period of time sufficient to increase the solid state photoluminescent quantum efficiency of the optical material by at least 10% of its pre-exposure solid state photoluminescent quantum efficiency value. Additional methods are disclosed, as are optical materials and optical components obtained by such methods. Devices including optical materials and/or optical components are also disclosed.

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Номер записи: 98
25-08-2022 дата публикации

METHOD OF FORMING BIREFRINGENT STRUCTURES IN AN OPTICAL ELEMENT

Номер: US20220268983A1
Автор: Kazansky Peter, LEI Yuhao, SAKAKURA Masaaki, Wang Lei, YU Yanhao
Принадлежит:

A method of fabricating an optical element comprises: providing a substrate () of a transparent material in which is to be formed a plurality of birefringent nanostructures spaced apart in plane substantially parallel to a surface of the substrate in a first direction () by a distance X and in a second direction () by a distance Y; generating from the output of a source () of femtosecond laser pulses a laser beam group comprising a plurality of focused seeding beams () having a circular polarisation and spaced apart along a line by the distance X and a focused writing beam () having a non-circular polarisation and spaced apart from one of the seeding beams by the distance Y or the distance X; directing the laser beam group onto the surface of the substrate at a first position and applying one or more femtosecond laser pulses from each beam to corresponding volumes in the substrate; repeatedly translating the laser beam group relative to the substrate parallel to the line of seeding beams and along the first direction by the distance X to a next position and applying one or more femtosecond laser pulses from each beam, in order to deliver a plurality of femtosecond laser pulses from the seeding beams to each corresponding volume to create substantially optically isotropic nanostructures in the corresponding volumes; translating the laser beam group relative to the substrate along the second direction by the distance Y and repeating the repeated translation and application of the femtosecond laser pulses along the first direction; wherein the relative translation of the laser beam group and the substrate aligns the writing beam with successive corresponding volumes in which substantially optically isotropic nanostructures have been created, so that the one or more femtosecond laser pulses applied from the writing beam transform the optically isotropic nanostructure in each corresponding volume into an optically isotropic nanostructure with optical birefringence. 1. A ...

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Номер записи: 99
25-04-2019 дата публикации

Broadband Objective Lens With Anti-Reflective Nanoparticles And Manufacturing Method Thereof

Номер: US20190121001A1
Автор: Chang Ki Soo, Kim Dong Uk, KIM Jung Dae, LEE kye Sung
Принадлежит:

Disclosed is a broadband objective lens and a method of manufacturing the objective lens. The objective lens includes a plurality of lenses, and each of the lenses includes a coating layer on which a nanopattern is formed. 1. A broadband objective lens comprising: 'wherein each of the lenses includes a coating layer on which a nanopattern is formed.', 'a plurality of lenses,'}2. The broadband objective lens of claim 1 , wherein the coating layer is an anti-reflective coating layer.3. The broadband objective lens of claim 1 , wherein the nanopattern includes an arrangement in which at least one of cylinder claim 1 , triangular pyramid claim 1 , or parabolic cylinder is repeated.4. The broadband objective lens of claim 2 , wherein each of a height and a pitch of the nanopattern is 100 nanometers (nm) to 600 nm.5. The broadband objective lens of claim 1 , wherein the nanopattern includes a honeycomb structure.6. The broadband objective lens of claim 1 , wherein the coating layer includes at least one selected from a group consisting of silicon oxide claim 1 , titanium oxide claim 1 , aluminium oxide claim 1 , tantalum oxide claim 1 , silicon nitride claim 1 , and magnesium fluoride.7. The broadband objective lens of claim 1 , wherein the coating layer has a refractive index of 1.4 to 1.9.8. The broadband objective lens of claim 1 , wherein the coating layer has a refractive index that is ±10% of a refractive index of each of the lenses.9. The broadband objective lens of claim 1 , having an average transmittance of 70% or greater in a wavelength range of 450 nm to 1600 nm claim 1 ,having an average transmittance of 80% or greater in a wavelength range of 450 nm to 1000 nm, andhaving an average transmittance of 60% or greater in a wavelength range of 1000 nm to 1600 nm.10. A method of manufacturing a broadband objective lens claim 1 , the method comprising:forming a coating layer on a surface of each of a plurality of lenses through a single process; andforming a ...

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Номер записи: 100