ЖИДКОКРИСТАЛЛИЧЕСКОЕ УСТРОЙСТВО ОТОБРАЖЕНИЯ

Изобретение относится к жидкокристаллическим устройствам отображения. Дисплей 100 включает в себя жидкокристаллический слой 13, слой зеркального отражения 14 г, поляризационный слой 17, расположенный на стороне наблюдателя, слой замедления 18, расположенный между жидкокристаллическим слоем и поляризационным слоем, и светорассеивающий слой 20А, расположенный на стороне наблюдателя поляризационного слоя 17. Светорассеивающий слой 20А имеет поверхность рассеяния. Поверхность рассеяния включает в себя макроскопически шероховатую структуру 22а, которая имеет способность к рассеиванию света, и микроскопически шероховатую структуру 22b, которая сформирована наложением поверх макроскопически шероховатой структуры и которая имеет размер меньше длины волны видимого света. Технический результат - повышение качества отображения. 8 з.п. ф-лы, 15 ил.

Светорассеивающие устройства для использования в фотоиммунотерапии

ЗАЩИТНЫЙ ЭЛЕМЕНТ И СПОСОБ ИЗГОТОВЛЕНИЯ ЗАЩИТНОГО ЭЛЕМЕНТА СО СВЕТОРАССЕИВАЮЩИМИ СТРУКТУРАМИ

LICHTAUSGLEICHSEINRICHTUNG

Lichtstreuungsfilm, Oberflächenlichtquelleneinheit und Flüssigkristallanzeige

REFLEKTIERENDE FLÄCHE FÜR WÄNDE VON CVD-REAKTOREN

REFLEKTIERENDE FLÄCHE FÜR WÄNDE VON CVD-REAKTOREN

Backlight unit and liquid crystal display device including the same

A backlight unit that includes a bottom cover; a plurality of light sources 40 in the bottom cover; a guide panel 20 on an outer circumference of the bottom cover 10; a reflecting portion 30 on at least one of the bottom cover and the guide panel; and a diffuser plate 50 supported by the guide panel. Projections in the form of a convex pattern are disposed on an upper surface of the reflecting portion (31, figure 6) or a lower surface of the diffuser plate (51, figure 4) to maintain a gap between the diffuser plate 50 and the guide panel 20 or the reflecting portion 30. An embodiment of the invention is also disclosed which does not include a reflecting portion (figure 3). Uniform light may be provided to a liquid crystal panel 120 of a liquid crystal display that includes the backlight unit such that a dark portion may be prevented from being formed at the edge area of the liquid crystal panel 120 as a bezel becomes narrow.

SOFT FOCUS FILTER

MATTED GLASS AND PROCESS OF MANUFACTURING SAME

Optical diffuser

Improvements in telescopes for observing strong sources of light

... 389,773. Telescopes. ZEISS, C., [Firm of], Carl-Zeiss-Strasse, Jena, Germany. Nov. 14, 1932, No. 32106. Convention date, Nov. 26, 1931. [Class 97 (i).] In a telescope for observing strong sources of light, at least one surface of an optical member of the telescope is frosted so that some of the rays pass through the said surface and some are diffusely dispersed. Preferably the frosting is formed on the surface e of a converging lens d which can be inserted through a slot in the tube a so as to be included at will in the optical system, this lens having such thickness and power that the position of the image plane of the objective b is not altered when it is inserted in the ray path.

PROCEDURE FOR THE PRODUCTION OF MATTE-STREWING STRUCTURES BESIDE OPAKEN AND/OR TRANSPARENCIES STRUCTURES

VAGUELY REFLECTING SURFACES AND PROCEDURES FOR THEIR PRODUCTION

Sicherheitselement und Verfahren zur Herstellung eines Sicherheitselements mit lichtstreuenden Strukturen

The invention relates to a security element, comprising a thermoplastic or photo-sensitive replication lacquer layer, non-periodic randomly arranged (randomized) structures in the sub-micrometer range being incorporated into the replication lacquer layer and having an angle-independent optical effect, such as a color effect, and to a method for the production thereof and to the use thereof.

Method for producing a structured sol-gel layer

Structure screens for controlled spreading of light

Luminous intensity distribution control device, luminous flux density control device and partition method

SENSOR CONFIGURATION FOR SUBSTANTIAL SPACING FROM A SMALL APERTURE

The inventive sensor (30) device includes a support structure, a sensing element (15) mounted on the support substrate (60) for sensing optical radiation and generating an electrical output signal in response thereto, and an encapsulant (62) encapsulating the sensing element (15) on the support structure. The encapsulant (62) being configured to define a lens portion (61) for focusing incident optical radiation onto an active surface of the sensing element, and an optical radiation collector portion (53) surrounding the lens portion for collecting and redirecting optical radiation that is not incident the lens portion (61) onto the active surface of the sensing element (15). The collector portion (53) may be a parabolic reflector that reflects incident light by total internal reflection. The sensor device (15) may be incorporated into an assembly including a diffuser (32) positioned across an aperture, and/or may be incorporated into a vehicle accessory such as a rearview mirror assembly ...

SMOOTHLY GRANULATED OPTICAL SURFACE AND METHOD FOR MAKING SAME

LIGHT DIFFUSING DEVICES FOR USE PHOTOIMMUNOTHERAPY

The present invention provides a diffuser light blocking device comprising an end cap member (820) having a pocketing feature (821 ) that has a side wall (822) and an end reflective surface (810); the pocketing feature's shape corresponds to exterior shape of distal portion (830) of a diffuser (800) having a distal end surface (801 ); the pocketing feature engages the distal portion; an overlapping section (815) of the pocketing feature's side wall surrounds the distal portion's side wall (802) and prevents at least 95% of the light output from the distal portion from escaping out of the distal portion's side wall; the end reflective surface blocks any forward propagating light output from the distal end surface and returns at least 80% of light coming out of the distal end surface back towards the diffuser; the end cap member is thermally conductive; the end cap member's length (831 ) and diameter (832) provide an exterior surface area that is at least 1,000% of the surface area of the ...

OPTICAL ELEMENT HAVING AN INTEGRAL SURFACE DIFFUSER

A monolithic element (20) has a substrate body (22) and at least one macro- optical characteristic integral (24) in a first portion of the optical element. A plurality of surface micro-structures (26) are integral in a portion of the optical element. The micro-structures (26) are designed to homogenize light passing through the optical element to produce a predetermined pattern of smoothly varying, non-discontinuous light exiting the optical element. The light exiting the optical element is therefore altered according to both the macro-optical characteristic of the optical element as well as the homogenizing characteristics of the micro-structures (26).

TRANSPARENT LAYERED ELEMENT COMPRISING A DISPLAY REGION

Cet élément (101) comprend deux couches externes transparentes (2, 4) ayant sensiblement le même indice de réfraction (n2, n4) et ayant chacune une surface principale externe (2A, 4A) lisse, l'élément en couches comportant : - une zone écran (ZE) à propriétés de réflexion diffuse et transmission spéculaire comportant une couche centrale texturée (3E) intercalée entre les couches externes (2, 4), - une zone périphérique (ZP) à propriétés de réflexion spéculaire et transmission spéculaire, et - une zone de transition (ZT) à propriétés de réflexion diffuse et transmission spéculaire entre la zone écran (ZE) et la zone périphérique (ZP), qui comprend une couche centrale texturée (3T) intercalée entre les couches externes (2, 4). La réflexion lumineuse diffuse en tout point de la zone de transition est inférieure ou égale à la réflexion lumineuse diffuse en tout point de la zone écran et l'évolution de la réflexion lumineuse diffuse dans la zone de transition depuis la zone écran vers la zone ...

PRODUCTION METHOD FOR SHEETS OF GLASS WITH A DIFFUSE FINISH, AND RESULTING SHEET OF GLASS

The invention relates to a production method for sheets of glass with a diffuse finish, and to the sheet of glass resulting from this method. The sheet of glass is immersed in acid solutions and alkaline solutions a series of times in an alternating manner, in order to eliminate the impurities and residues, and in order to generate a diffuse finish on both faces of the sheet of glass. The method generates a diffuse surface on at least one side of the sheet of glass, said diffuse surface having a peak-valley roughness (Rt) between 5.8343 and 9.3790 µm, an average roughness (Ra) between 0.8020 and 0.9538 µm, an RMS roughness between 0.9653 and 1.19167 µm, a solar transmission between 84.8 and 46.50%, a solar reflection between 7.4 and 4.4%, a light transmission between 88.5 and 67.70%, a light reflection between 6.50 and 5.20%, and a UV transmission between 35.60 and 70.20%.

OPTICAL BEAM CONDITIONING DEVICE WITH COHERENCE-BREAKING AND BEAM TRANSFORMING MODULES

A beam conditioning device including a coherence-breaking module and a beam transforming module is provided. The coherence-breaking module is configured to break a spatial coherence between beam components of the light beam and may include coherence-breaking mirrors having a structured pattern on their reflective surfaces. The beam transforming module may include a primary and a secondary optical element and is configured to transform the spatial energy distribution and the footprint of the light beam. The beam conditioning device may for example be used to transform a Gaussian light beam into a flat-top light beam suitable for terahertz imaging applications, although other initial and/or final energy distributions may be considered.

METHOD FOR MANUFACTURING SUBSTRATE HAVING TEXTURED STRUCTURE AND METHOD FOR MANUFACTURING ORGANIC EL ELEMENTS USING SAME

A method for manufacturing a substrate having an irregularly-textured surface for scattering light, said method including: fabricating a substrate (100) having an irregularly-textured surface; scanning the textured surface (100a) of the fabricated substrate using light (122a) at an angle to the normal of said surface and detecting the light returning from said surface by means of a light-receiving element (124) mounted in the direction of the normal of the surface; and using a processing device (126) to determine the amount of variation in the brightness of the textured surface on the basis of the intensity of the received light. Organic EL elements having diffraction-grating substrates having irregularly-textured surfaces can thus be produced with high throughput.

Lentille à dispersion pour projecteurs.

Einrichtung zur Beseitigung der Sichtbarkeit der Zeilenstruktur bei Fernsehbildröhren und Verfahren zur Herstellung derselben

EINSTELLSCHIRM FUER EINE KAMERA UND VERFAHREN ZU DESSEN HERSTELLUNG.

LIGHT-SCATTERING REFLECTOR FOR ELECTROOPTICAL ANNOUNCEMENTS AND PROCEDURE FOR THE PRODUCTION OF A SUCH REFLECTOR.

PROCEDURE FOR THE PRODUCTION OF MATTE-STREWING STRUCTURES BESIDE OPAKEN AND/OR TRANSPARENCIES STRUCTURES.

GLASS MAT AND METHOD FOR MANUFACTURING SAME.

Surface relief microstructures, ASSOCIATED DEVICEs AND a METHOD for MANUFACTURING those

Optical film and liquid crystal display including same

Methods for producing a structured sol-gel layer

The present invention relates to a method for producing a structured surface on the substrate, wherein a substrate is introduced into a sol caused to effect oscillation or a substrate caused to effect oscillation is introduced into a sol that is optionally caused to effect oscillation. The present invention likewise relates to substrates structured in this way and their use in optical applications.

optoelectronic device

SMOOTHLY GRANULATED OPTICAL SURFACE AND METHOD FOR MAKING SAME

FUNCTIONAL GLAZING HAVING A PERMANENT PROTECTIVE FILM

Light control film and backlight device using it

방현성 필름, 편광판 및 화상 표시 장치

... 방현층이 얇고, 하드 코팅성과 방현성을 유지하면서, 면 반짝임의 발생과, 변색의 발생을 매우 높은 레벨에서 억제할 수 있고, 높은 콘트라스트의 우수한 표시 화상을 얻을 수 있는 방현성 필름을 제공한다. 광투과성 기재의 한쪽 면의 표면에 요철 형상을 갖는 방현층이 설치된 방현성 필름이며, 상기 방현층은, 상기 광투과성 기재와 접하는 측의 반대측의 표면에 종횡비가 2 이상인 막대 형상 볼록부가 복수 형성되어 있고, 상기 방현층의 상기 광투과성 기재와 접하는 측의 반대측의 표면에서 볼록부가 차지하는 비율이 단위 면적당 20 내지 40％이며, 또한, 상기 방현층의 표면의 단위 면적당의 전체 볼록부의 개수를 NT, 상기 전체 볼록부에 포함되는 막대 형상 볼록부의 개수를 NS로 각각 했을 때, 상기 NT 및 NS가 하기 식(1)을 만족하는 것을 특징으로 하는 방현성 필름. NS/NT>0.2 (1) ...

Light diffusing sheet

LIQUID CRYSTAL DISPLAY UNIT

Backlight assembly

... 백라이트 어셈블리가 제공된다. 백라이트 어셈블리는 빛을 방출하는 복수의 광원, 빛이 입사되는 입광면, 입광면의 대항면으로서 빛이 출사되는 출광면, 및 출광면에 형성된 서로 다른 형상의 제1 렌즈패턴 및 제2 렌즈패턴을 포함하는 확산판을 포함할 수 있다. 여기서, 제1 렌즈패턴은 곡선을 형성하는 제1 곡선부, 및 제1 곡선부의 양 하단으로부터 각각 연장된 제1 직선부를 포함하고, 제2 렌즈패턴은 곡선을 형성하는 제2 곡선부, 및 제2 곡선부의 양 하단으로부터 각각 연장된 제2 직선부를 포함할 수 있다.

SUBSTRATE FOR ORGANIC ELECTRONIC DEVICE

투명 백라이트로부터의 균일한 광 출력을 위한 텍스처 구배

... 광 확산 구성요소 및 제조 방법이 개시된다. 광 확산 구성요소는 기판 시트 및 적어도 하나의 산란 층을 포함할 수 있다. 기판 시트는 후방 측면 및 모서리를 가질 수 있다. 모서리는 광원을 수용하도록 구성될 수 있다. 적어도 하나의 산란 층은 유리 시트의 후방 측면의 적어도 일부 내로 식각되는 복수의 광 산란 중심을 가질 수 있다. 산란 중심은 모서리로부터의 거리가 증가함에 따라 증가된 밀도를 가질 수 있다. 산란 중심은 예를 들어, 약 30 μm 미만의 직경, 약 10 μm 이하의 최대 깊이, 그리고 약 0.5 nm 내지 약 100 nm의 거칠기를 가질 수 있다.

MOLD HAVING FINE IRREGULAR STRUCTURE ON SURFACE, METHOD OF PRODUCING PRODUCT HAVING FINE IRREGULAR STRUCTURE ON SURFACE, USE OF PRODUCT, STACK EXPRESSING HETEROCHROMIA AND SURFACE EMITTING MEMBER

Peak-valley pattern formed sheet and method for producing the same

A peak-valley pattern formed sheet having a resin substrate; a resin rigid layer formed on one side of the resin substrate; and a peak-valley pattern formed on a surface of the rigid layer, wherein the difference (T2-T1) between the glass transformation temperature T2 of a resin forming the rigid layer and the glass transformation temperature T1 of a resin forming the substrate is 10 DEG C or more; and the average depth of a valley portion of the peak-valley pattern is 10% or more to the most frequent pitch of the peak-valley pattern as 100%, and the method for producing the same are provided.

Light transmission sheet, rear projection type projector, light transmission sheet manufacturing device, program, and computer-readable medium

In the light transmission sheet of the present invention, fine irregularities 5 are randomly formed on the plane of incidence 2a of a Fresnel lens sheet 2 with little space between them. The glossiness (Gs 60 DEG ) of the fine irregularities 5 formed by such a random pattern is equal or less than 35%. The fine irregularities 5 are in a semispherical shape, the level difference is about 10 mum, and the maximum diameter is about 50 mum. Projected light L is scattered by the fine irregularities 5 at the plane of incidence 2a, subjected to vector resolution, and has its optical intensity weakened, so that retroreflection light can be prevented.

APPARATUS AND METHOD FOR PRODUCING LIGHT-RESPONSIVE SURFACES ON OPAQUE MATERIALS

The present invention provides for a method of creating a lustrous surface in opaque materials using ridge angles, and valleys of varying depths cut, imprinted or pressed into the opaque material. The combination of the light reflecting ridges, angles to reflect more or less light, and a shadow effect arising from a combination of the valley depths and the angle of the ridges allows one to use light and shadow to create a pattern or series of patterns in the opaque materials. These patterns are created using a process whereby a design is first created, then cut into a master blank using some type of manual or computer aided method. Next, this pattern is inlaid, pressed, or imprinted into a blank panel composed on the opaque material. In some embodiments, this opaque material is allowed to set, thus creating a finished article of manufacture in the form of a panel.

OPTICAL DIFFUSER WITH IR AND/OR UV BLOCKING COATING

A diffuser is provided in an illumination system, where the diffuser is capable of blocking significant amounts of infrared (IR) and/or ultraviolet (UV) radiation. In certain example embodiments of this invention, the diffuser includes a glass substrate which supports an IR/UV coating(s) that blocks significant amounts of IR and/or UV radiation thereby reducing the amount of IR and/or UV radiation which can makes its way through the diffuser. In certain example embodiments, the coating may include particulate in a frit matrix so that the coating may both diffuse visible light and perform IR and/or UV blocking.

OPTICAL DIFFUSER WITH UV BLOCKING COATING USING INORGANIC MATERIALS FOR BLOCKING UV

A diffuser is provided in an illumination system, where the diffuser is capable of blocking significant amounts of ultraviolet (UV) radiation. In certain example embodiments of this invention, the diffuser includes a glass substrate which supports a UV coating(s) that blocks significant amounts of UV radiation thereby reducing the amount of UV radiation which can makes its way through the diffuser. In certain example embodiments, the coating may include inorganic particulate in a frit matrix so that the coating may both diffuse visible light and perform UV blocking.

INTERFEROMETRIC MEASURING DEVICE AND PROJECTION ILLUMINATION INSTALLATION COMPRISING ONE SUCH MEASURING DEVICE

The invention relates to a device for the interferometric measurement of an optical imaging system which is used to image a useful model provided on a mask in the image plane of said imaging system. Said measuring device has a wave front source for producing at least one wave front which passes through the imaging system, a diffraction grid which can be arranged behind the imaging system in order to interact with the wave front which is modified by the imaging system, and a spatially resolving detector which is associated with the diffraction grid and is used to detect interferometric information. The wave front source comprises at least one measuring model (34) which is embodied on the mask (8) along with the useful model (35).

Surface preparation method for eliminating optical interference from absorption cavity mirrors

Optical mirror elements having a diffusive backing, methods for making such optical mirror elements, and devices incorporating such optical mirror elements. The optical mirror element typically includes a first, reflective surface, and a second surface having uneven or granular features, wherein light passing through the first surface is diffusely reflected by the uneven or granular features of the second surface. The optical mirror elements are particularly well suited for use in Herriott Cell arrangements in gas analyzers.

Antireflection structure and optical device including the same

A diffusing plate is formed so as to have a surface having a larger surface roughness than a predetermined wavelength and having an aperiodic roughness shape. A plurality of fine concave/convex portions are formed on the surface so as to be regularly arranged within a cycle equal to and smaller than a predetermined wavelength.

Diffusing Sheet, Surface Light Source Device, and Transmission Type Display

The present invention provides a diffusing sheet, a surface light source device, and a transmission type display, that can attain uniform illumination so that the brightness of light on the display screen appears uniform regardless of the position from which the display screen is observed. A transmission type display 10 comprises an LCD panel 11, and a surface light source device 16 for illuminating the LCD panel 11 from its rear. The surface light source device 16 includes a plurality of cathode ray tubes 13 that are arranged in parallel. A diffusing sheet 14 and a convergent sheet 12 are placed between the cathode ray tubes 13 and the LCD panel 11 in the surface light source device 16. The diffusing sheet 14 includes, on its light-emerging side surface, a diffusion lens array 141. The diffusion lens array 141 has a plurality of unit lenses (the diffusion lens array 141 is formed by regularly arranged unit lens groups each constituted by arranging a lower unit lens 141a and a higher unit ...

Reflecting screen

This invention provides a reflecting screen with a wide angle of field and high luminance usable in a video projector or the like, and comprising a first sheet having a first surface having a diffusion layer for diffusing a projected image, and a second surface formed on a side opposite to the first surface and having a group of striped prisms of an optically transparent resin arranged so as to extend vertically, the prisms having a section in the shape of an isosceles triangle with a constant apical angle and sides of constant length; and a second sheet opposed to the group of prisms of the second surface of the first sheet, a surface of the second sheet opposed to the group of prisms being of a black color capable of absorbing transmitted light substantially; the first sheet and the second sheet being disposed parallel to each other.

BROAD BAND CONTROLLED ANGLE ANALOG DIFFUSER AND ASSOCIATED METHODS

An analog controlled angle diffuser and associated methods provide a wavelength insensitive diffuser with a controlled output. The diffuser has free formed shaped analog fringes, i.e., fringes which have a continuous cross-section from their peak to their termination. Preferably, the depth of the analog fringes will be at least 2π, even more preferably at least 20π. Advantageously, the pattern of the diffuser is computer-generated.

Substrate for organic electronic device

Provided are a substrate for an organic electronic device (OED), an organic electronic system, a method of manufacturing the substrate or the system, and lighting. The substrate for an OED may be increased in durability by preventing penetration of an external material such as moisture or oxygen, and thus an organic electronic system having excellent light extraction efficiency may be formed. In addition, since the substrate may be stably attached to an encapsulating structure sealing the organic electronic system, the device may have excellent durability with respect to abrasion of an electrode layer or pressure applied from an external environment. In addition, a surface hardness of an external terminal of the organic electronic system may be maintained at a suitable level.

Surface light source device and image display apparatus

A surface light source device includes a light source facing a reflective surface of a reflecting member, and a light-controlling member composed of a transparent material and disposed across the light source from the reflecting member in such a manner as to face the reflective surface, the light-controlling member guiding light emitted from the light source in a predetermined direction. The light-controlling member has on a surface thereof remote from the reflective surface projections arranged on a plane. The projections have profiles of at least one kind, each having a symmetry axis or a symmetry plane. The symmetry axes or the symmetry planes of the projections are tilted at a predetermined angle with respect to a direction in which the light controlling member faces the reflecting member.

Optical sheet, method for manufacturing the same, and liquid crystal display using the same

An optical sheet comprises: a base film; a first primer layer disposed on a surface of the base film; and a projection disposed on the first primer layer, wherein a thickness of the first primer layer ranges from about 5 nm to 300 nm.

Interferometric measuring device and projection exposure installation comprising such measuring device

A measuring device for interferometric measurement of an optical imaging system that is provided for projecting a useful pattern, provided on a mask, into the image plane of the imaging system, includes a wavefront source for generating at least one wavefront traversing the imaging system; a diffraction grating, arrangeable downstream of the imaging system, for interacting with the wavefront reshaped by the imaging system; and a spatially resolving detector, assigned to the diffraction grating, for acquiring interferometric information. The wavefront source has at least one measuring pattern that is formed on the mask in addition to the useful pattern. The useful pattern may represent the structure of a layer of a semiconductor component in a specific fabrication step. The measuring pattern may be formed as a coherence-forming structure periodic in one or two dimensions.

POLARIZING PLATE AND OPTICAL DISPLAY APPARATUS COMPRISING THE SAME

A polarizing plate and an optical display apparatus including the same are provided. A polarizing plate includes: a polarizer; and a pattern layer on a surface of the polarizer and including a first resin layer and a second resin layer facing the first resin layer, the first resin layer including a patterned portion located at at least a portion thereof facing the second resin layer, the patterned portion includes at least two embossed optical patterns and a flat section formed between a pair of adjacent embossed optical patterns, each of the embossed optical patterns includes an upper surface defining a wave pattern, and the wave pattern has a value of about 20% to 60%, as calculated according to Formula 1 herein, and a pitch of greater than about 100 μm and less than about 400 μm.

Optical prism sheet, backlight unit, and liquid crystal display

An optical prism sheet includes an optical refracting part including a plurality of unit prisms, the unit prisms each having a predetermined cross-section and being disposed on one side of the optical prism sheet, and fine irregularities having a predetermined roughness and configured to diffuse light, the fine irregularities being on surfaces of the unit prisms and increasing a unit surface area of the optical refracting part by about 1.1 to about 100 times.

Light collimating and diffusing film and system for making the film

A light collimating and diffusing film and a method for making the film are provided. The film includes a plastic layer having a first side and a second side opposite the first side and at least a first peripheral edge. The first side has a first textured surface, wherein between 7 to 20 percent of slope angles on the first textured surface proximate a first axis has a value between zero and five degrees. The first axis is substantially parallel to the first peripheral edge. The plastic layer collimates light propagating therethrough.

Projector having diffuser

An optical device includes a base material including a surface on which multiple concaves are formed. The concaves include respective curved surfaces. The concaves are formed so that the bottoms of the concaves are at two or more different positions in a depth direction. In the optical device, 2/7≤|(n1−n2)×Δd|/λ≤10 holds, where n1 is the refractive index of the base material, n2 is the refractive index of a medium around the concaves, λ is the wavelength of a beam flux that enters the base material, and Δd is a range of the positions of the bottoms in the depth direction.

ANTI-GLARE SUBSTRATES WITH LOW SPARKLE, DOI AND TRANSMISSION HAZE

Embodiments of anti-glare substrates and articles including the same are disclosed. In one or more embodiments, the anti-glares substrate includes a textured surface with a plurality of features having an average cross-sectional dimension of about 30 micrometers or less. The substrate or article exhibits a transmission haze of 10% or less, a PPDr of about 7% or less or 6% or less, and a DOI of about 80 or less. Method for forming the anti-glare substrates are also disclosed and include etching a surface of a substrate with an etchant having low water solubility to provide an etched surface, and removing a portion of the etched surface. The method includes generating a plurality of insoluble crystals (e.g., any one or more of K?2#191SiF?6#191 and K?3#191AlF?6#191) on the surface while etching the surface. The etchant may include a potassium salt, an organic solvent and a fluoride containing acid.

SUBSTRATE FOR ORGANIC ELECTRONIC DEVICE

The present application relates to a substrate for an organic electronic device, an organic electronic device, and a lighting device. In an embodiment of the present application, a substrate or an organic electronic device which may form an organic electronic device capable of ensuring performance including light extraction efficiency or the like and reliability by applying a scattering layer capable of exhibiting different scattering properties according to an angle of incident light may be provided.

Light diffusеr plаtе

Тhе prеsеnt invеntiоn prоvidеs а light diffusеr plаtе, thе surfасе оf whiсh is lеss likеlу tо bе sсrаtсhеd, саpаblе оf lаminаting а film bаsе mаtеriаl (3) with а high lаminаtiоn strеngth. Тhе light diffusеr plаtе (1) оf thе prеsеnt invеntiоn inсludеs а trаnspаrеnt mаtеriаl аnd а light diffusing аgеnt dispеrsеd in thе trаnspаrеnt mаtеriаl, whеrеin оnе оr bоth surfасеs аrе rоugh surfасеs (1а) hаving а tеn-pоint аvеrаgе rоughnеss (Rz) оf 20 tо 40 μm. А film-lаminаtеd light diffusеr plаtе (4) саn bе оbtаinеd bу lаminаting аn аdhеsivе film (5) соmprising thе film bаsе mаtеriаl (3) аnd аn аdhеsivе lауеr (2) fоrmеd оn аt lеаst оnе surfасе оf thе film bаsе mаtеriаl оn thе rоugh surfасе.

Light diffusеr plаtе

Тhе prеsеnt invеntiоn prоvidеs а light diffusеr plаtе, thе surfасе оf whiсh is lеss likеlу tо bе sсrаtсhеd, саpаblе оf lаminаting а film bаsе mаtеriаl (3) with а high lаminаtiоn strеngth. Тhе light diffusеr plаtе (1) оf thе prеsеnt invеntiоn inсludеs а trаnspаrеnt mаtеriаl аnd а light diffusing аgеnt dispеrsеd in thе trаnspаrеnt mаtеriаl, whеrеin оnе оr bоth surfасеs аrе rоugh surfасеs (1а) hаving а tеn-pоint аvеrаgе rоughnеss (Rz) оf 20 tо 40 μm. А film-lаminаtеd light diffusеr plаtе (4) саn bе оbtаinеd bу lаminаting аn аdhеsivе film (5) соmprising thе film bаsе mаtеriаl (3) аnd аn аdhеsivе lауеr (2) fоrmеd оn аt lеаst оnе surfасе оf thе film bаsе mаtеriаl оn thе rоugh surfасе.

A surface preparation method for eliminating optical interference from absorption cavity mirrors

Optical mirror elements (10) having a diffusive backing, methods for making such optical mirror elements, and devices incorporating such optical mirror elements. The optical mirror element (10) typically includes a first, reflective surface (15), and a second surface (30) having uneven or granular features, wherein light passing through the first surface is diffusely reflected by the uneven or granular features of the second surface. The optical mirror elements are particularly well suited for use in Herriott Cell arrangements in gas analyzers.

Photonic crystal structure, method of manufacturing the photonic crystal structure, reflective color filter, and display apparatus employing the photonic crystal structure

A photonic crystal structure includes a nano structure layer including a plurality of nano particles of various sizes, and a photonic crystal layer on the nano structure layer. The plurality of nano particles are spaced apart from each other. The photonic crystal layer has a non-planar surface, and is configured to reflect light of a particular wavelength.

LIGHT DIFFUSING FILM, METHOD FOR MANUFACTURING THE FILM, SURFACE LIGHT SOURCE DEVICE USING THE FILM AND DISPLAY DEVICE

PROBLEM TO BE SOLVED: To provide a new protective film to solve the problem that a conventional protective film damages the surface of the object in contact with the protective film because of beads included in the protective film, and to provide a surface light source device which uses the new protective film and moreover, a display device which uses the surface light source device. SOLUTION: The light diffusing film 1 is formed by laminating a rough layer 3 having a rough surface 4 on at least one surface of a transparent plastic film 2. The ten-point average roughness of the rough surface is specified to 0.5 μm to 2.0 μm and the peak count number by the Pc1 method is specified to 16 to 60. COPYRIGHT: (C)2002,JPO ...

ОПТИЧЕСКАЯ ПОДЛОЖКА И СПОСОБ ЕЕ ИЗГОТОВЛЕНИЯ

Оптическая подложка содержит трехмерную поверхность, заданную первой функцией поверхностной структуры, модулированной второй функцией поверхностной структуры. Первая функция поверхностной структуры может иметь длину, ширину и угол при вершине с оптическими характеристиками для формирования по меньшей мере одной выходной зеркальной составляющей. Вторая функция поверхностной структуры может иметь геометрию с по меньшей мере псевдослучайными характеристиками для модулирования первой функции поверхностной структуры по меньшей мере по фазе вдоль длины первой функции поверхностной структуры, при этом фаза является горизонтальной позицией пика вдоль ширины. Поверхность оптической подложки создает зеркальный и рассеянный свет из входного пучка света. Трехмерная поверхность может иметь значение корреляционной функции, которое меньше примерно 37 процентов от первоначального на протяжении длины корреляции около 1 см или менее. Обеспечивается повышение яркости. 9 н. и 37 з.п. ф-лы, 41 ил.

НЕЧУВСТВИТЕЛЬНЫЙ К ЦАРАПАНЬЮ СВЕТОПРОПУСКАЮЩИЙ ЭКРАН И СПОСОБ ЕГО ИЗГОТОВЛЕНИЯ

Светопропускающий экран содержит один светорассеивающий полиметилметакрилатный слой, который включает полиметилметакрилатную матрицу, а также сферические рассеивающие частицы (А) и сферические частицы (В). При этом частицы (А) имеют размер от 0,1 до 40 мкм с показателем преломления, отличающимся от показателя преломления полиметилметакрилатной матрицы на величину от 0,02 до 0,2. Частицы (В) имеют размер от 10 до 150 мкм и показатель преломления, отличающийся от показателя преломления полиметилметакрилатной матрицы на величину от 0 до 0,2. Суммарная концентрация частиц (А) и частиц (В) составляет от 1 до 60 мас.% в расчете на массу светорассеивающего полиметилметакрилатного слоя. Концентрация сРА частиц (А), толщина dS светорассеивающего полиметилметакрилатного слоя, а также размер DPA сферических рассеивающих частиц (А) выбраны таким образом, что отношение сPA·dS/DPA3 составляет от 0,001 до 0,015 мас.%·мм/мкм3, концентрация cPB частиц (В), толщина dS светорассеивающего полиметилметакрилатного ...

РАССЕИВАТЕЛЬ СВЕТА

Рассеиватель света используются в фотодинамической терапии. Рассеиватель света содержит оптический волновод, у дальнего конца которого в активной области удалена оболочка. В активной области сердцевины с удаленной оболочкой предусмотрены средства для оптического отделения сердцевины от вещества, содержащего рассеивающие частицы, и удержания сердцевины, оптически отделенной от вещества, содержащего рассеивающие частицы, до отдаленного конца активной области. Обеспечена равномерность распределения интенсивности света вдоль оси рассеивателя и повышена надежность. 9 з.п.ф-лы., 10 ил.

НЕЧУВСТВИТЕЛЬНЫЙ К ЦАРАПАНЬЮ СВЕТОПРОПУСКАЮЩИЙ ЭКРАН И СПОСОБ ЕГО ИЗГОТОВЛЕНИЯ

Светопропускающий экран содержит один светорассеивающий полиметилметакрилатный слой, который включает полиметилметакрилатную матрицу, а также сферические рассеивающие частицы (А) и сферические частицы (В). При этом частицы (А) имеют размер от 0,1 до 40 мкм с показателем преломления, отличающимся от показателя преломления полиметилметакрилатной матрицы на величину от 0,02 до 0,2. Частицы (В) имеют размер от 10 до 150 мкм и показатель преломления, отличающийся от показателя преломления полиметилметакрилатной матрицы на величину от 0 до 0,2. Суммарная концентрация частиц (А) и частиц (В) составляет от 1 до 60 мас.% в расчете на массу светорассеивающего полиметилметакрилатного слоя. Концентрация сРА частиц (А), толщина dS светорассеивающего полиметилметакрилатного слоя, а также размер DPA сферических рассеивающих частиц (А) выбраны таким образом, что отношение сPA·dS/DPA 3 составляет от 0,001 до 0,015 мас.%·мм/мкм3, концентрация cPB частиц (В), толщина dS светорассеивающего полиметилметакрилатного ...

ПРОЗРАЧНЫЙ СЛОИСТЫЙ ЭЛЕМЕНТ, ВКЛЮЧАЮЩИЙ В СЕБЯ ЗОНУ ОТОБРАЖЕНИЯ

Störstrahlung reduzierendes Schichtsystem

Es wird ein Störstrahlung reduzierendes Schichtsystem beschrieben, umfassend ein Substrat (1), mindestens eine über dem Substrat (1) angeordnete teiltransparente lichtabsorbierende Schicht (2), mindestens eine über der teiltransparenten lichtabsorbierenden Schicht (2) angeordnete teiltransparente Metallschicht (3) und mindestens eine über der teiltransparenten Metallschicht angeordnete reflexionsmindernde dielektrische Schicht (4).

Producing structured surface on substrate, for use as diffuser or reflector for optical applications, e.g. in liquid crystal displays, by immersing substrate in vibrating sol

Production of a structured surface on a substrate (I) involves (a) immersing (I) in a vibrating sol or (b) immersing (I), while vibrating, in an optionally vibrating sol. An independent claim is included for the structured surfaced substrate obtained by the process.

Optical unit dispersing e.g. light from LEDs used in traffic lights, includes extended raised sections along light disperser

The light-dispersing elements comprise extended, lengthy raised sections (5) along the surface (4).

Optischer Film

Optischer Film, umfassend ein Substrat; eine Antiblendschicht auf dem Substrat, wobei die Antiblendschicht mehrere Mikrostrukturen auf einer vom Substrat wegweisenden Seite der Antiblendschicht umfasst; eine erste Antireflektionsschicht auf den Mikrostrukturen der Antiblendschicht, wobei die Antiblendschicht zwischen dem Substrat und der ersten Antireflektionsschicht angeordnet ist; und eine zweite Antireflektionsschicht auf der ersten Antireflektionsschicht, wobei die erste Antireflektionsschicht zwischen der Antiblendschicht und der zweiten Antireflektionsschicht angeordnet ist; wobei die erste Antireflektionsschicht einen Brechungsindex hat, der sich von einem Brechungsindex der Antiblendschicht unterscheidet.

Nichtabbildende Lichtquelle.

Vorrichtung zur Beseitigung der Zeilenstruktur in Fernsehbildern mittels durchsichtiger Rillenscheiben

Back light plate with juxtaposed light bars

A back light plate includes a plurality of light bars 20 of high light transmittance. The light bars are juxtaposed to make a light emission structure in the form of a flat plate or a grating. The light bars may have a predetermined spacing between them to form the grating. Each light bar has opposite ends to which light sources 22, such as light-emitting diodes, are mounted. Light emitted from the light sources can transmit through the light bar to form a uniform luminous cylinder thereby constituting a wide span of backlighting. A plurality of light concentration spots (211, 212) may be formed on the bars. The spots may be densely distributed on a central portion and sparely distributed on opposite end portions. The bars may be circular, square, rectangular or symmetrically polygonal, may be flexible and may be of colour.

Optical structure

Device and method for transilluminating a film

Optics for luminaires

LIGHT DIFFUSING REFLECTOR FOR ELECTRO-OPTICAL DISPLAYS AND PROCESS FOR THE PRODUCTION OF SUCH A REFLECTOR

LIGHT EQUALIZER METHOD AND MAKING SAME AND OPTICAL SYSTEM USING SAME

... 1489804 Lighting fittings ENVIRONMENTAL RESEARCH & TECHNOLOGY Inc 21 March 1975 [5 April 1974 (2)] 11969/75 Heading F4R An optical system including an optical device, such as an interference band-pass filter, having a transmission characteristic which is dependent on the angle of incidence of input radiation comprises an optical equalizer designed to produce a substantially uniform light intensity across its output aperture irrespective of intensity variations across its input aperture, and means for collimating the light emitted by the equalizer and directing it to the device. The equalizer may be of the type disclosed in Specifications 1,489,805 or 1,489,806 or alternatively may consist of powdered material suspended in a light transmissive liquid.

DIFFUSIONSPLAETTCHEN

SENSOR FACILITY WITH INTEGRAL BIRADIALER LENS

Apparatus for fabricating light guide panel and backlight unit having the light guide panel

The present invention relates to an apparatus for fabricating a light guide panel which can improve light efficiency and brightness, and a backlight unit having the light guide panel. The backlight unit includes a light source for generating a light, and a light guide panel for guiding the light incident thereon from the light source, the light guide panel having an upper pattern which is formed on a front side thereof for emitting the light guided thus to upward and a lower pattern which is formed on a backside thereof for reflecting or refracting the light, wherein the lower pattern of the light guide panel is formed in an intaglio pattern having a vertical angle at which two inclined planes meet, and one of the two inclined planes the light from the light source incident thereon has an angle of 45˜55°.

Light scattering sheet and method for producing the same

A light scattering sheet includes: a transparent support; and a light scattering layer on the transparent support, the light scattering layer having a phase-separated convexo-concave structure formed by spinodal decomposition of a solution containing two or more resin materials capable of phase-separation from each other are dissolved in a solvent. In the light scattering layer, the phase-separated convexo-concave structure is formed into a sea-island structure of two or more resin materials including a styrene-acrylonitrile copolymer, and a plurality of domains constituting the islands have random shapes mainly having a string shape, and a transmitted image definition measured according to JTS K 7374 using an optical comb having a width of 2.0 mm is 10% or more and less than 25%.

Liquid crystal display device

A liquid crystal display device provided with a back light device can relieve lamp images without lowering the utilization efficiency of the light emitted from the back light device. A liquid crystal display device 100 , comprising, in sequence: a back light device 2 ; a first light diffusing plate 3 ; prism sheets 4 a and 4 b ; a first polarizing plate 5 ; a liquid crystal cell 1 ; a second polarizing plate 6 ; and a second light diffusing plate 7 , wherein the first polarizing plate 5 and the second polarizing plate 6 are arranged so that absorption axes thereof are in crossed Nicol relation, wherein the first light diffusing plate 3 has a characteristic that, when parallel light is made incident from the back face of the first light diffusing plate 3 in the direction of the perpendicular of the back face, the ratio (I 20 /I 0 ) between the intensity (I 20 ) of the transmitted light emitted in the direction forming an angle of 20° with respect to the direction of the perpendicular, and the intensity (I 0 ) of the transmitted light emitted in the direction forming an angle of 0° with respect to the direction of the perpendicular is 75% or more, and the second light diffusing plate 7 has a light diffusing layer 72 comprising a translucent resin 721 and translucent fine particles 722 dispersed in the translucent resin 721.

Structure of back light plate

A back light plate includes a plurality of light bars of high light transmittance. The light bars are juxtaposed to form a flat plate like or a grating like light emission structure. Each light bar has opposite ends to which light sources, such as light-emitting diodes, are mounted. Light emitting from the light sources can transmit through the light bar to form a uniform luminous cylinder and thereby constituting a wide span of backlighting. This arrangement saves the number of light-emitting diodes used, makes the manufacturing easy, and provides a simple and convenient-to-carry-out manufacturing process as compared to the conventional manufacturing processes of large-sized thin back light plate, so as to lead to a significant reduction of manufacturing costs.

Light diffusing film, polarizing plate, image display device and production method of light diffusing film

A light diffusing film contains a thermoplastic resin as the main component and containing, in the thermoplastic resin, (A) a light-transmitting particle having an average primary particle diameter of 1 to 10 μm, wherein there is substantially no refractive index difference between the thermoplastic resin and the light-transmitting particle, wherein one surface has concavoconvex shape, the total haze value is from 5 to 40%, and the average film thickness is from 20 to 200 μm.

Anti-glare glass sheet having compressive stress equipoise and methods thereof

A chemically-strengthened glass sheet including: a smooth first side; and a rough second side, wherein the compressive stress values of the smooth first-side and the rough second-side are substantially in equipoise. Methods of making and using the glass sheet, as defined herein, are disclosed. A display system that incorporates the glass sheet, as defined herein, is also disclosed.

Light diffusion film for led lighting

Provided is a light diffusion film for LED lighting that achieves a balance between concealment and light-utilization efficiency. The light diffusion film for LED lighting includes a sheet of substrate, an internal scattering layer and a surface shaping layer. The internal scattering layer contains a binder and particles; the mean particle diameter A of the particles is from 0.5 μm to 5.0 μm; the refractive index difference between the particles and the binder is from more than 0 to 0.15; and the content of the particles is from 10 parts by mass to 120 parts by mass with respect to 100 parts by mass of the binder.

Method for sparkle control and articles thereof

A glass article including: at least one anti-glare surface having haze, distinctness-of-image, surface roughness, uniformity properties and sparkle properties, as defined herein. A method of making the glass article includes, for example, slot coating a suspension of particles on at least one surface of the article to provide a particulated mask covering from about 40 to 92% of the coated surface area; contacting the at least one surface of the article having the particulated mask and an etchant to form the anti-glare surface, and optionally continuously polishing the suspension of particles just prior to slot coating. A display system that incorporates the glass article, as defined herein, is also disclosed.

Diffusion sheet, backlight, liquid crystal display apparatus, and method of producing a diffusion sheet

A diffusion sheet includes a light-transmissive substrate, a plurality of structures, and a flat portion. The light-transmissive substrate includes a first main surface, and a second main surface. The plurality of structures have convex shapes and are randomly formed on the first main surface. The flat portion is formed among the plurality of structures on the first main surface and has a surface roughness (Ra) of no less than 0.9 μm.

Prism plate, illumination optical system of imaging device, and forming die of prism plate

A prism plate is obtained which gives directivity to the exit directions of illumination light and enables control of the illuminance distribution. A prism plate 11 includes a prism surface 12 on which a prism array in the shape of a triangular pole having multiple ridgelines 13 is formed, and in which minute bumps and dips 14 are formed on the prism surface 12.

Optical layered body, polarizer, and image display device

Provided is an optical layered body having excellent blocking resistance. The optical layered body includes a triacetyl cellulose substrate and a hard coat layer, the hard coat layer having fine surface roughness that has an average PV roughness Rtm of 2.2 to 11.5 nm, a base roughness depth R3 z of 2.5 to 13.5 nm, and a ten-point average roughness Rz of 2.6 to 13.5 nm, and satisfy the relation Rtm<R3 z ≦Rz.

Diffuse reflecting optical construction

A transparent multi-layer optical construction that reflects light in a diffuse manner and transmits light in an undistorted manner. The optical construction can be made as a sunglass lens or as a thin film to be used as window film. The multi-layer optical construction is, in part, a combination of surface form and surface texture combined with a reflective medium and a scratch resistant hard coating.

SUBSTRATE FOR AN ORGANIC ELECTRONIC ELEMENT AND A PRODUCTION METHOD THEREFOR

The present invention relates to a substrate for an organic electronic element that enables surface resistance to be reduced and light-extraction efficiency improved, the substrate including: a base substrate; a scattering layer which is formed on the base substrate and includes an conductive pattern for reducing the surface resistance of an electrode, scattering particles for scattering light and a binder, and which forms an uneven structure in the surface opposite the base substrate; and a planarizing layer which is formed on the scattering layer and flattens the surface undulations caused by the uneven structure of the scattering layer, wherein the refractive index (Na) of the scattering particles and the refractive index (Nb) of the planarizing layer satisfy the relationship in formula 1 below. [Formula 1] |Na—Nb|≧0.3. In the formula as used herein, Na signifies the refractive index of the scattering particles and Nb signifies the refractive index of the planarizing layer. 1. A substrate for an organic electronic element comprising:a base substrate;a scattering layer comprising a conductive pattern configured to lower a sheet resistance of an electrode, scattering particles scattering light and a binder; forming an uneven structure on the surface opposite to the base substrate, and formed on the base substrate; anda planarizing layer formed on the scattering layer and planarizing the surface undulations caused by the uneven structure of the scattering layer and having the refractive index of 1.8 to 2.0,wherein the conductive pattern comprises Mo/Al/Mo,wherein the refractive index of the scattering particles is from 2.2 to 3.0,wherein the binder and the planarizing layer in the scattering layer comprise an inorganic or organic-inorganic composite based on a siloxane bond, {'br': None, '|Na—Nb|≧0.3 \u2003\u2003(1)'}, 'wherein the refractive index (Na) of the scattering particles and the refractive index (Nb) of the planarizing layer satisfy the relationship in ...

Image display, anti-glare film, and method for producing anti-glare film

An image display having superior anti-glare properties, less glare, and a small reduction in contrast even though surface asperities of an anti-glare film are easily formed by filler flocculation. The image display is an image display including an anti-glare film at a visible side surface; and a black matrix pattern, wherein the anti-glare film includes: a translucent base; and an anti-glare layer being laminated on at least one surface of the translucent base, the anti-glare layer is formed of an anti-glare layer-forming material containing a resin and fillers, the anti-glare layer includes a flocculated portion forming a convex portion on a surface of the anti-glare layer by flocculation of the fillers, in the flocculated portion, the fillers are present in the state of being gathered in one direction in an in-plane direction of the anti-glare layer, and the anti-glare film is placed so that the one direction in which the fillers are gathered coincides with a longitudinal direction of the black matrix pattern.

LAMINATED FILM AND METHOD FOR MANUFACTURING SAME

A laminated film includes a base film and a coating layer which contains organic particles and is provided on a surface of the base film, wherein a ratio (SRz/d) of a surface roughness (SRz) and a coating thickness (d) on a surface of the coating layer is 12.5 or more, and the organic particle is made of a thermoplastic resin including an ether bond while the coating layer is made of a binder resin including at least one selected from a sulfonic acid group, a carboxylic acid group, a hydroxyl group and a salt of them. 1. A laminated film comprising a base film and a coating layer which contains organic particles and is provided on a surface of the base film , wherein a ratio (SRz/d) of a surface roughness (SRz) and a coating thickness (d) on a surface of the coating layer is 12.5 or more , and the organic particle is made of a thermoplastic resin including an ether bond while the coating layer is made of a binder resin including at least one selected from a sulfonic acid group , a carboxylic acid group , a hydroxyl group and a salt of them.2. A laminated film comprising a base film and a coating layer which contains organic particles and is provided on a surface of the base film , wherein a ratio (R/d) of a number average particle diameter (R) and a coating thickness (d) on a surface of the coating layer is 10.5 or more , and the organic particle is made of a thermoplastic resin including an ether bond while the coating layer is made of a binder resin including at least one selected from a sulfonic acid group , a carboxylic acid group , a hydroxyl group and a salt of them.3. The laminated film according to claim 1 , wherein the organic particle is coated with the binder resin.4. The laminated film according to claim 1 , wherein the surface roughness (SRz) is 5 μm or more.5. The laminated film according to claim 1 , wherein the coating thickness (d) is 1 claim 1 ,100 nm or less.6. The laminated film according to claim 1 , wherein a flexural modulus of the organic ...

Light transmissive structures and fabrication methods for controlling far-field light distribution

Light transmissive structures include a light transmissive substrate that includes optical microstructures. The optical microstructures have a geometric feature that is configured to reduce glare in light transmitted through the light transmissive structure. Moreover, the plurality of optical microstructures also have a geometric feature that is configured to vary randomly and/or pseudorandomly across the light transmissive substrate so as to diffuse light transmitted through the light transmissive structure. Related fabrication methods are also described.

Method for producing substrate having concavity and convexity structure and method for producing organic el element using the same

A method for producing a substrate having an irregular concave and convex surface for scattering light includes: manufacturing a substrate having the irregular concave and convex surface; irradiating the concave and convex surface of the manufactured substrate with inspection light tom a direction oblique to a normal direction and detecting returning light of the inspection light returned from the concave and convex surface by a light-receiving element provided in the normal direction of the concave and convex surface; and judging unevenness of luminance of the concave and convex surface by an image processing device based on light intensity of the returning light received. An organic EL element which includes a diffraction-grating substrate having an irregular concave and convex surface is produced with a high throughput.

SUBSTRATE FOR ORGANIC ELECTRONIC DEVICE

Provided are a substrate for an organic electronic device, an organic electronic device and lighting. As a substrate for an OED such as an OLED, a substrate capable of providing an organic electronic system having excellent performance and reliability may be provided. 1. A substrate for an organic electronic device , comprising:a base layer; anda high refractive layer that is on the base layer, that comprises a binder, of which a refractive index is 1.4 or more, and that comprises a particle, of which a refractive index is more than 2.3 in an amount of 300 parts by weight or less, relative to 100 parts by weight of the binder.2. The substrate according to claim 1 , wherein the maximum height roughness of a surface claim 1 , that is opposite to a surface contacting with the base layer claim 1 , of the high refractive layer is 1 μm or less.3. The substrate according to claim 1 , wherein the high refractive layer has a refractive index in the range from 1.8 to 2.5.4. The substrate according to claim 1 , wherein a refractive index of the binder is 1.4 or more and also less than 1.7.5. The substrate according to claim 4 , wherein the high refractive layer comprises the particles in an amount of 180 to 200 parts by weight claim 4 , relative to 100 parts by weight of the binder.6. The substrate according to claim 1 , wherein the binder has a refractive index in the range from 1.7 to 2.0.7. The substrate according to claim 6 , wherein the high refractive layer comprises the particles in an amount of 80 to 150 parts by weight claim 6 , relative to 100 parts by weight of the binder.8. The substrate according to claim 1 , wherein the binder is polysiloxane claim 1 , poly(amic acid) or polyimide.9. The substrate according to claim 1 , wherein the particles have an average diameter in the range from 1 nm to 50 nm.10. The substrate according to claim 1 , wherein the particle is a rutile titanium oxide.11. The substrate according to claim 1 , wherein the high refractive layer ...

OPTICAL ARTICLE FOR DIRECTING AND DISTRIBUTING LIGHT

An optical article for directing and distributing light including an optically transmissive layer having one or more arrays of TIR channels and a light diffusing element disposed in optical communication with the optically transmissive layer. The TIR channels define reflective surfaces extending perpendicular or near-perpendicular to a prevailing plane of the optically transmissive layer. The TIR channels and the light diffusing element operate concurrently to redirect and redistribute a beam of light received from a light source such as daylight or an LED over a broad angular range. 1. An optical article for directing and distributing light , comprising:a generally planar layer of an optically transmissive material defined by a first major surface configured for light input and an opposing major surface configured for light output;a plurality of channels formed in said layer;said plurality of channels defining a plurality of TIR surfaces extending perpendicular or near-perpendicular to a prevailing plane of said layer; anda light diffusing element disposed in optical communication with said layer.2. An optical article as recited in claim 1 , wherein each of said first and second major surfaces includes surface portions that are parallel to a prevailing plane of said layer.3. An optical article as recited in claim 1 , wherein at least one of said plurality of channels defines a pair of opposing walls that are generally parallel to each other.4. An optical article as recited in claim 1 , wherein said layer is adapted to redirect at least a portion of off-axis rays by a sufficiently high bend angle so as to split an incident parallel beam of light into two or more distinct light beams propagating towards different directions.5. An optical article as recited in claim 4 , wherein said directions point to opposing quadrants or hemispheres with respect to a normal to said layer in a plane of incidence.6. An optical article as recited in claim 1 , wherein said layer is ...

LAYERED ELEMENT MADE OF TRANSPARENT LAYERS PROVIDING DIRECTIONAL DIFFUSE REFLECTION

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 ...

LUMINOUS FLUX CONTROL MEMBER, LIGHT EMISSION DEVICE, AND ILLUMINATION DEVICE

This luminous flux control member has: an incident surface; two reflection surfaces and two emission surfaces. The incident surface has: a first incident surface that intersects with the light axis of the light emission element; and two second incident surfaces that sandwich the first incident surface and are disposed in a Y-axis direction that the two emission surfaces face. A plurality of first projecting ridges having ridgelines that are substantially parallel to the Y-axis direction are disposed on the first incident surface. A plurality of second projecting ridges having ridgelines that are substantially parallel to the light axis are disposed on the two emission surfaces, or a plurality of third projecting ridges having ridgelines that are substantially intersecting with the first projecting ridges are disposed on at least a part of the two reflection surfaces. 1. A light flux controlling member configured to control a distribution of light emitted from a light-emitting element , the light flux controlling member comprising:an incidence surface that is an inner surface of a recess disposed on a rear side, the incidence surface being configured to enter the light emitted from light-emitting element;two reflecting surfaces disposed on a front side, and configured to reflect a part of light entered from the incidence surface, in two opposite directions substantially perpendicular to a light axis of the light-emitting element; andtwo emission surfaces disposed opposite to each other with the two reflecting surfaces between the two emission surfaces, the two emission surfaces being configured to emit, to outside, light reflected by the two reflecting surfaces,wherein the incidence surface includes a first incidence surface disposed to intersect the light axis of the light-emitting element, and two second incidence surfaces disposed to sandwich the first incidence surface between the two second incidence surfaces in a direction in which the two emission surfaces are ...

OPTICAL EFFECT STRUCTURES

An optical coating structure applied to the surface of an object having scattering structures introduced to the basal, upper or middle layers of a multilayer reflector to cause a particular (calculated) degree of scattering, or to the surface of a black/colour pigmented object. The scattering structures are mainly sub-micron in size, and arranged in a pseudo-random or non-periodic manner. Consequently they serve only to broaden the angular range of the light reflected at the surface normal from a multilayer reflector, or to provide (actual and/or perceived) reduced reflectivity of a surface by deflecting incident light through the surface rather than away from it or by scattering otherwise beam-like (narrow-angle) reflections from a surface into a broad-angle reflection. The scattering structures can include profile elements, which are in the form of elongate bars having convexly curved sides or hemispherical rods, that are introduced to a basal layer of a multilayer reflector. 1. An optical coating structure that has been applied to a surface of an object to impart (i) a desired colour or (ii) a matt effect to the object, the optical coating structure comprising scattering structures which are sub-micron in size, at least in a height and width dimension, and arranged in non-periodic manner. This application is a continuation application of U.S. application Ser. No. 16/029,879, filed Jul. 9, 2018, which is a divisional of U.S. application Ser. No. 13/806,474, filed Nov. 6, 2015 and granted as U.S. Pat. No. 10,048,411, which is the national stage of PCT/GB2011/051218, filed Jun. 27, 2011, which claims the benefit of provisional application 61/344,306, filed Jun. 25, 2010, all of which are incorporated by reference.The present invention relates to optical effect structures, in particular to an optical coating structure for imparting a desired colour or matt effect to an object when applied onto its surface and to structures formed or applied to the surface of a black/ ...

Transparent element with diffuse reflection

This transparent layered element ( 1 ) has two smooth outer main surfaces ( 2 A, 4 A) and comprises: two outer layers ( 2, 4 ), which each form one of the two outer main surfaces ( 2 A, 4 A) of the element ( 1 ) and which are constituted of dielectric materials having substantially the same refractive index (n 2, n 4 ), and a central layer ( 3 ) inserted between the two outer layers, this central layer ( 3 ) being formed either by a single layer which is a dielectric layer having a refractive index different from that of the outer layers or a metal layer, or by a stack of layers which comprises at least one dielectric layer having a refractive index different from that of the outer layers or a metal layer. Each contact surface (S 0 , S 1 ) between two adjacent layers of the element ( 1 ), which are one a dielectric layer and the other a metal layer, or which are two dielectric layers having different refractive indices, is textured and parallel to the other textured contact surfaces.

DAYLIGHTING DEVICE

Provided is a daylighting device () including a daylighting member () that has a base having light transparency, a plurality of daylighting portions that are provided on one surface of the base and have light transparency, and gap portions provided between the plurality of daylighting portions; and a light diffusion member () that is arranged on a light output surface side of the daylighting member () and diffuses light output from the daylighting member (). 1. A daylighting device comprising:a daylighting member that has a base having light transparency, a plurality of daylighting portions that are provided on one surface of the base and have light transparency, and gap portions provided between the plurality of daylighting portions; anda light diffusion member that is arranged on a light output surface side of the daylighting member and diffuses light output from the daylighting member.2. The daylighting device according to claim 1 , wherein at least two types of light diffusion regions are provided on one surface side of the light diffusion member claim 1 , and the at least two types of light diffusion regions have light diffusion characteristics different from each other.3. The daylighting device according to claim 2 , wherein the at least two types of light diffusion regions are arranged to be adjacent to each other.4. The daylighting device according to claim 2 , wherein a proportion occupied by at least one type of the light diffusion regions changes along one direction of the one surface of the light diffusion member.5. The daylighting device according to claim 1 , wherein light diffusion regions light diffusion characteristics of which continuously change are provided on one surface side of the light diffusion member.6. The daylighting device according to claim 1 , wherein the light diffusion regions have designability. The present invention relates to a daylighting device.This application claims priority based on Japanese Patent Application No. 2014-079513 ...

Refraction lens and plate-form structure which has multiple refraction lenses extending therethrough

A refraction lens is integrally formed by transparent material including glass and acrylic. The refraction lens includes a body, wherein an incidence face and a light emitting face respectively formed on two opposite sides of the body. In the preferred embodiment, the body is a cylindrical structure, the incidence face is convex structure and the emitting face has at least one collecting unit formed thereon. The at least one collecting unit includes multiple collecting portions arranged in array, wherein each collecting portion is peripherally protruded from the emitting face. Each correcting portion is formed with a curved top for providing a dotted collecting effect.

STRUCTURED OPTICAL FILM

An optical film includes a first structured major surface having a plurality of linear prisms extending along a same first direction and an opposing second structured major surface having a plurality of closely packed lenslets. The optical film exhibits a high optical uniformity and reduced sparkle. 110-. (canceled)11. An optical film , comprising:a first structured major surface comprising a plurality of linear prisms extending along a same first direction; and{'sub': avg', 'avg', 'avg', 'avg', 'avg', 'avg, 'an opposing second structured major surface comprising a plurality of closely packed lenslets, each lenslet having a largest lateral dimension D, an equivalent circular diameter ECD and a finite focal length f corresponding to a focal spot, the plurality of closely packed lenslets having an average largest lateral dimension D, an average equivalent circular diameter ECDand an average focal length f, ECD/fbeing in a range from about 0.05 to about 0.20, Dbeing less than about 50 micrometers, less than about 30% of the second structured major surface having a slope magnitude that is greater than about 5 degrees.'}12. The optical film of claim 11 , wherein at least 90% of the second structured major surface is covered by the lenslets.13. The optical film of claim 11 , wherein less than about 20% of the second structured major surface has a slope magnitude that is greater than about 5 degrees.14. The optical film of claim 11 , wherein at least 80% of the lenslets in the plurality of lenslets have an equivalent circular diameter ECD that is less than about 27 micrometers.15. The optical film of claim 11 , wherein at least 90% of the lenslets in the plurality of lenslets have a nearest neighbor focal spot distance that is less than about 25 micrometers.16. The optical film of claim 11 , wherein the second structured major surface has an optical haze in a range from about 3% to about 25%.17. The optical film of claim 11 , wherein an average effective transmission of ...

ANTI-GLARE FILM AND DISPLAY DEVICE

A display device including an anti-glare film containing: at least an anti-glare layer in which a first surface la is an uneven surface; and an anisotropic light diffusion layer provided on a second surface side of the anti-glare layer wherein the anisotropic light diffusion layer includes a matrix region and a plurality of pillar regions having refractive indices different from that of the matrix region, the pillar regions extend from one surface side toward the other surface side of the anisotropic light diffusion layer and an average height of the pillar regions in a thickness direction of the anisotropic light diffusion layer is 80% or more of a thickness of the anisotropic light diffusion layer suppresses the occurrence of scintillation and the decrease in front contrast. 1. An anti-glare film comprising at least:an anti-glare layer in which a first surface is an uneven surface; andan anisotropic light diffusion layer provided on a side of a second surface opposite to a side of the first surface of the anti-glare layer,whereinthe anisotropic light diffusion layer comprises a matrix region and a plurality of pillar regions having refractive indices different from a refractive index of the matrix region, andthe pillar regions extend from one surface side toward another surface side of the anisotropic light diffusion layer, and an average height of the pillar regions in a thickness direction of the anisotropic light diffusion layer is 80% or more of a thickness of the anisotropic light diffusion layer.2. The anti-glare film according to claim 1 , {'br': None, 'i': cd', 'cd, 'the normal direction transmission ratio=(transmitted light quantity in the normal direction of the anisotropic light diffusion layer ())/(transmitted light quantity in a linear direction of the incident light ())×100 \u2003\u2003(I)'}, 'wherein an average value of normal direction transmission ratios in azimuths determined by formula (I) when a light is made incident on the anisotropic light ...

METHOD FOR DESIGNING LIGHT DIFFUSION PATTERN, METHOD FOR MANUFACTURING LIGHT DIFFUSION PLATE, AND LIGHT DIFFUSION PLATE

The present invention provides a method for designing a light diffusion pattern with which a light diffusion pattern to exhibit desired light diffusion properties can be designed depending on a few systematic procedures. The method includes a lens data preparation step of preparing lens data having desired light diffusion properties, a placement step of placing a plurality of lens data () prepared in the lens data preparation step in a predetermined region (), a cutting step of, when an overlap () of lenses () occurs in the placement step, cutting out a part () of a lens shape to eliminate the overlap (), and a repositioning step of replicating a shape of the cutout part () and repositioning it to another place. 1. A method for designing a light diffusion pattern , in which a light diffusion pattern of a light diffusion plate is designed , comprising:preparing lens data having desired light diffusion properties;placing a plurality of lens data prepared in said preparing lens data in a predetermined region;cutting out a part of a lens shape to eliminate the overlap when an overlap of lenses occurs during said placing; andreplicating a shape of the cutout part and repositioning it to another place.2. The method for designing a light diffusion pattern according to claim 1 , wherein the preparing lens data comprises:designing a reference lens having desired light diffusion properties, andcreating a similar shape to the reference lens.3. The method for designing a light diffusion pattern according to claim 1 , whereinsaid placing, cutting, replicating, and repositioning are performed repeatedly until a ratio of vacant space of a light diffusion pattern becomes equal to or less than a predetermined value.4. The method for designing a light diffusion pattern according to claim 1 , wherein claim 1 , in said cutting claim 1 , when one lens and another lens overlap claim 1 , the another lens is cut along a surface perpendicular to a bottom surface so as to leave the one lens5 ...

RADIATION SYSTEM

A radiation alteration device includes a continuously undulating reflective surface, wherein the shape of the continuously undulating reflective surface follows a substantially periodic pattern. 191.-. (canceled)92. A radiation alteration device comprising a continuously undulating reflective surface , wherein the shape of the continuously undulating reflective surface follows a substantially periodic pattern in two perpendicular directions.93. (canceled)94. The radiation alteration device of claim 92 , wherein a unit cell of the periodic undulating reflective surface comprises:a first portion having a substantially convex shape;a second portion having a substantially concave shape;a third portion having a substantially saddle shape; anda fourth portion having a substantially saddle shape.95. The radiation alteration device of claim 94 , wherein the unit cell comprises a single period of the periodic pattern in a first direction and a single period of the periodic pattern in a second direction perpendicular to the first direction.96. The radiation alteration device of claim 94 , wherein the reflective surface is shaped such within at least one of the first claim 94 , second claim 94 , third and fourth portions claim 94 , the curvature of the reflective surface is substantially the same throughout the respective portion.97. The radiation alteration device of claim 94 , wherein the reflective surface is shaped such that within at least one of the first claim 94 , second claim 94 , third and fourth portions claim 94 , the curvature of the reflective surface is different at different positions in the respective portion.98. The radiation alteration device of claim 92 , wherein the reflective surface is configured to receive a radiation beam and reflect the radiation beam so as to form a modified radiation beam and wherein the reflective surface is shaped such that the modified radiation beam has an intensity distribution in a far field plane claim 92 , the intensity ...

Textured Glass Layers in Electronic Devices

An electronic device may have a housing surrounding an interior in which electrical components are mounted. A display may be mounted to housing structures in the device. The housing may have a rear wall. The display cover layer and rear wall of the housing may be formed from transparent glass layers. Coatings may be formed on inwardly facing surfaces of the transparent glass layers. A coating on a transparent glass layer may be formed from a thin-film interference filter having a stack of dielectric layers. The coating may include an ink layer on the thin-film interference filter. The transparent glass layers may have one or more textured surfaces that allow light at high angles to enter the transparent layers and reflect off the coatings at high angles, thereby adjusting optical properties of the coatings. 1. An electronic device having opposing front and rear faces and an interior , the electronic device comprising:a display on the front face;a transparent layer that forms a housing wall on the rear face, wherein the transparent layer has an inner surface facing the interior and an opposing outer surface with surface texture; anda coating on the inner surface comprising a thin-film interference filter, wherein the coating is neutral at on-axis viewing angles and non-neutral at off-axis viewing angles.2. The electronic device defined in wherein the thin-film interference filter is a coating layer on the inner surface of the transparent layer.3. The electronic device defined in wherein the coating further comprises a buffer layer on the inner surface of the transparent layer and wherein the thin-film interference filter is on the buffer layer.4. The electronic device defined in wherein the thin-film interference filter is formed on a polymer film and attached to the transparent layer.5. The electronic device defined in wherein the surface texture is formed from protrusions selected from the group consisting of: semi-spherical bumps and semi-cylindrical bumps.6. The ...

MULTI-FACETED DIFFUSER PROVIDING SPECIFIC LIGHT DISTRIBUTIONS FROM A LIGHT SOURCE

Optical or light diffusers (or, simply, “diffusers”) designed and manufactured to include numerous facets arranged in cells or sets in which the planar faces or outward-facing surfaces have orientations and transmission angles (as may be defined by direction cosines of normal) to redirect received light to a region or portion of a predefined light distribution. A method of designing or defining the facets of the diffuser is also provides as are methods of manufacturing the diffusers and apparatus or products that include the new diffusers (such as microdisplays and lighting components). The diffusers are optically designed to produce a user-specified distribution of light. The diffusers can be engineered through the configuration of the facets on its front or outer surface (light transmission surface) to produce nearly any type of light distribution or shape, and the diffuser design facilitates their manufacture using extrusion processes as well as other fabrication techniques. 1. An apparatus for producing a predefined light distribution in space , comprising:a light source operable to output light; anda diffuser with a substrate having a back surface receiving the light output from the light source and a front surface, opposite the back surface, redirecting and transmitting the light received on the back surface to output diffuse light with the predefined light distribution from the diffuser,wherein the substrate is formed of a light-transmissive material,wherein the front surface comprises a plurality of facets providing the diffusing of the light,wherein each of the plurality of facets is randomly assigned to one of a plurality of sets, andwherein each of the plurality of sets is associated with a region of the predefined light distribution.2. The apparatus of claim 1 , wherein each of the facets in each of the plurality of sets has a planar face oriented to redirect the light received on the back surface in a direction within the region of the predefined light ...

Encapsulated diffuser

An optical device, such as a diffuser, can include a substrate; and a diffuser surface, in which the diffuser surface has an index of refraction greater than about 1.8. A method of making and using the optical device is also disclosed.

DISPLAY HAVING LIGHT-SCATTERING PROPERTY

A display includes light-scattering regions. Each of the light-scattering regions is provided with linear protrusions and/or recesses having the same longitudinal direction. The light-scattering regions are different from each other in the longitudinal direction. 1. A display comprising light-scattering regions each provided with linear protrusions or recesses having a same longitudinal direction ,wherein the light-scattering regions include first and second light-scattering regions, andthe first and second light-scattering regions are different from each other in at least one of length and width of the protrusions or recesses, and are configured to emit scattered light at first and second degrees of divergence, respectively, such that an image formed by the first and second light-scattering regions is seen as an image with light and shade.2. The display according to claim 1 , wherein the light-scattering regions are in the same plane.3. The display according to claim 1 , wherein the first and second light-scattering regions are equal to each other in the longitudinal direction.4. The display according to claim 3 , wherein the light-scattering regions further include a third light-scattering region being different from the first and second light-scattering regions in the longitudinal direction.5. The display according to claim 4 , wherein an image displayed on the third light-scattering region and an image displayed on the first or second light-scattering region are distinguishable from each other with an unaided eye.6. The display according to claim 4 , wherein a longitudinal direction of the third light-scattering region and the longitudinal direction of the first and second light-scattering regions are orthogonal to each other.7. The display according to claim 1 , wherein in at least one of the light-scattering regions claim 1 , the linear protrusions or recesses are arranged at random.8. The display according to claim 1 , wherein in at least one of the light- ...

TEXTURED WINDOW FILM

A bird anti-collision film prevents birds from flying into windows by disrupting visible habitat reflections that might appear on the outside of the windows. The anti-collision film blocks and/or absorbs light that may normally be reflected by a window and also actively scatters, and fluoresces light creating an active light disturbance. The disrupted light includes a light range highly visible by many birds but only partially visible by humans. A textured surface in combination with a fluorescent dye in the anti-collision film increases the intensity and range of the light disturbance. The anti-collision film may be attached to the inside of a window providing the unique advantages of easy inside window installation and insulation from external weather conditions. 1. (canceled)2. A textured window film , comprising:a plurality of layers including a polymeric film layer and a discontinuous textured layer coupled to the polymeric film layer;wherein the first polymeric film layer includes a first side configured to attach to a window, and wherein the polymeric film layer further includes a second side opposite the first side; andwherein the discontinuous textured layer includes a planar side, and wherein the discontinuous textured layer further includes a non-planar side opposite the planar side and having a curved or partially rounded surface, and wherein the planar side of the discontinuous textured layer contacts the second side of the polymeric film layer.3. The textured window film of claim 2 , further comprising an additional layer claim 2 , wherein the surface of the additional layer is non-planar.4. The textured window film of claim 2 , wherein a surface area of the second side of the polymeric film layer is greater than a surface area of the discontinuous textured layer.5. The textured window film of claim 2 , including an ink layer applied over the discontinuous textured layer and/or a substrate of the polymeric film layer.6. A textured window film claim 2 , ...

OPTICAL FILM

An optical film is disclosed. The optical film may include a first base film, and a diffusion lens layer disposed on one surface of the first base film and including a plurality of square pyramid-shaped lenses. Edges meeting at vertices of the plurality of square pyramid-shaped lenses may be curved lines. Among the plurality of square pyramid-shaped lenses, one surface of a first square pyramid-shaped lens may meet one surface of a second square pyramid-shaped lens to form a boundary line, and the one surface of the first square pyramid-shaped lens and the one surface of the second square pyramid-shaped lens may be symmetrical with respect to the boundary line as an axis. 1. An optical film comprising:a first base film; anda diffusion lens layer disposed on one surface of the first base film and including a plurality of square pyramid-shaped lenses,wherein edges meeting at vertices of the plurality of square pyramid-shaped lenses are curved lines, andwherein among the plurality of square pyramid-shaped lenses, one surface of a first square pyramid-shaped lens meets one surface of a second square pyramid-shaped lens to form a boundary line, and the one surface of the first square pyramid-shaped lens and the one surface of the second square pyramid-shaped lens are symmetrical with respect to the boundary line as an axis.2. The optical film of claim 1 , wherein the difference between maximum and minimum ones of the heights of the vertices of the plurality of square pyramid-shaped lenses is 2.5 μm or less.3. The optical film of claim 1 , wherein the difference between maximum and minimum ones of the heights of boundary lines each being defined between two square pyramid-shaped lenses among the plurality of square pyramid-shaped lenses is 2.5 μm or less.4. The optical film of claim 3 , wherein the difference between the minimum one of the heights of boundary lines each being defined between two square pyramid-shaped lenses among the plurality of square pyramid-shaped ...

Optical composite sheet and display device comprising same

In the optical composite sheet according to an embodiment, optical functional elements such as a prism sheet and a light diffusion layer are combined, and a light absorbing layer that selectively absorbs light of a specific wavelength band is inserted, so that the optical performance and color gamut can be enhanced as compared with the prior art. In particular, it is possible to minimize the decrease in luminance due to the absorption of light by the light absorbing layer while enhancing the color gamut by adjusting the lamination configuration of the optical composite sheet.

Optical composite sheet and display device compromising same

An optical composite sheet is disclosed. In the optical composite sheet, optical functional elements such as a prism sheet and a light diffusion layer are combined, and a light absorbing layer that selectively absorbs light of a specific wavelength band is inserted, so that the optical performance and color gamut can be enhanced as compared with the prior art. In particular, the color transmittance of the optical composite sheet with respect to wavelength measured for each viewing angle satisfies a specific relationship, whereby it is possible to effectively reduce the color deviation with respect to the viewing angle.

ELECTROMAGNETIC RADIATION-SCATTERING ELEMENT AND METHOD OF MANUFACTURING SAME

The invention relates to an electromagnetic optical element which scatters radiation in a diffuse manner. Such optical elements can be used in nearly all projection applications including front and rear projection, display applications, (cinema) screens and similar. On the surface of a claimed optical element, a surface profile is provided, the surface structure of which is non-repeating and irregular. Elevations are formed that have a height by means of which a phase shift Δφ may be achieved that is greater than two and a half times the longest wavelength used, and the elevations have a lateral extension in one plane respectively, in all axial directions, that is greater than five times the longest wavelength used. The individual elevations have a continuous form in the three spatial axial directions and said elevations are devoid of edges, ledges and fissures. 112-. (canceled)13. An optical element diffusely scattering electromagnetic radiation at whose surface a surface profile is present which does not form a repeating regular surface structure , and in this respect elevated portions are formed which have a height with which a peak deviation Δφ which is larger than two-and-a-half times the largest wavelength used can be reached and the elevated portions have a lateral extent in a respective one plane in all axial directions which is larger than five times the largest wavelength used , and the individual elevated portions are continuously formed in the three spatial directions and in this respect no edges , steps or jumps are formed at the elevated portions.14. An element in accordance with claim 13 , characterized in that the surface having the surface profile or the surface remote from this surface is coated with a reflective coating.15. An element in accordance with claim 13 , characterized in that the surface having the surface profile is irradiated with collimated electromagnetic radiation.16. An element in accordance with claim 13 , characterized in that no ...

COMPOSITE SUBSTRATE STRUCTURE AND TOUCH-SENSITIVE DEVICE

A composite substrate structure includes a transparent substrate, an anti-reflective layer, and an anti-glare layer. The anti-reflective layer is disposed on the transparent substrate and has at least a first anti-reflective film and the refractive index of the first anti-reflective film is greater than that of the transparent substrate. The anti-glare layer is disposed on the anti-reflective layer, and the anti-glare layer and the transparent substrate are respectively located at two opposite sides of the anti-reflective layer. The refractive index of the anti-glare layer is less than that of the first anti-reflective film, and the anti-glare layer has a rough surface distant from the anti-reflective layer. 1. A composite substrate structure , comprising:a transparent substrate;an anti-reflective layer, disposed on the transparent substrate and having at least a first anti-reflective film, wherein the refractive index of the first anti-reflective film is greater than that of the transparent substrate; andan anti-glare layer, disposed on the anti-reflective layer, wherein the anti-glare layer and the transparent substrate are respectively located at two opposite sides of the anti-reflective layer, the refractive index of the anti-glare layer is less than that of the first anti-reflective film, and the anti-glare layer has a rough surface distant from the anti-reflective layer.2. The composite substrate structure of claim 1 , further comprising an anti-smudge layer having hydrophobicity claim 1 , wherein the thickness of the anti-smudge layer is less than that of the anti-glare layer claim 1 , wherein the anti-smudge layer is disposed on the rough surface of the anti-glare layer claim 1 , and the anti-smudge layer and the anti-reflective layer are respectively located at two opposite sides of the anti-glare layer.3. The composite substrate structure of claim 2 , wherein the main material of the anti-smudge layer is organic siloxane or organic perfluoropolyether.4. ...

PHASE GRADIENT NANOCOMPOSITE WINDOW FABRICATION AND METHOD OF FABRICATING DURABLE OPTICAL WINDOWS

A unitary radome layer assembly is provided and includes a first nanocomposite formulation and a second nanocomposite formulation. The first and second nanocomposite formulations are provided together in a unitary radome layer with respective distribution gradients. 1. A unitary radome layer assembly method , comprising:designing a unitary radome layer with first and second portions, the first portions being more durable than the second portions and the second portions being more optically transparent than the first portions;providing first and second nanocomposite formulations together in a unitary radome layer mold, the second nanocomposite formulation having a hardener and a higher effective density than the first nanocomposite formulation; andgenerating respective distribution gradients for the first and second nanocomposite formulations prior to curing.2. The unitary radome layer assembly method according to claim 1 , wherein the generating of the respective distribution gradients comprises:defining the respective distribution gradients relative to a unitary radome layer axis;placing the unitary radome layer mold with the first and second nanocomposite formulations in a centrifuge; andactivating the centrifuge to rotate the unitary radome layer mold with the first and second nanocomposite formulations about the unitary radome layer axis.3. The unitary radome layer assembly method according to claim 1 , wherein the generating of the respective distribution gradients comprises:defining the respective distribution gradients relative to multiple unitary radome layer axes;placing the unitary radome layer mold with the first and second nanocomposite formulations in a centrifuge; andactivating the centrifuge to rotate the unitary radome layer mold with the first and second nanocomposite formulations about the multiple unitary radome layer axes.4. The unitary radome layer assembly method according to claim 1 , wherein the designing comprises designing the unitary ...

TRANSMISSION TYPE SCREEN AND HEAD-UP DISPLAY DEVICE USING SAME

In order to provide a transmission type screen capable of maintain sharpness of image without impairing uniformity of emergent light to be emitted therefrom, a transmission type screen of the present invention includes a microlens array substrate having a first surface equipped with a microlens array including a plurality of microlenses; and a light diffusion substrate having a second surface equipped with a light diffusion surface; wherein the first surface of the microlens array substrate which is equipped with the microlens array, and the second surface of the light diffusion substrate which is equipped with the light diffusion surface, are opposedly arranged. 1. A transmission type screen comprising:a microlens array substrate having a first surface equipped with a microlens array including a plurality of microlenses; anda light diffusion substrate having a second surface equipped with a light diffusion surface;wherein the first surface of the microlens array substrate, which is equipped with the microlens array, and the second surface of the light diffusion substrate, which is equipped with the light diffusion surface, are opposedly arranged.2. The transmission type screen according to claim 1 , whereinan opposed interval between the microlens array substrate and the light diffusion substrate is not less than 0 μm and not more than 100 μm.3. The transmission type screen according to claim 1 , whereinthe microlens array is disposed in a first direction and a second direction crossing the first direction, anda diffusion angle of the microlens array substrate in the first direction and a diffusion angle of the microlens array substrate in the second direction differ.4. The transmission type screen according to claim 1 , whereina diffusion angle of the light diffusion substrate is not less than 5° and not more than 6°.5. The transmission type screen according to claim 1 , whereinthe light diffusion surface has micro-irregularities.6. The transmission type screen ...

LIGHT CONTROL MEMBER, METHOD FOR MANUFACTURING SAME, AND DISPLAY DEVICE

A light control film (light control member) includes a light transmissive base, a plurality of light shielding portions scattered over one surface of the base, and a light diffusing portion formed on the one surface of the base in a region other than regions in which the light shielding portions are formed. The light diffusing portion has a light exit end face and a light incident end face having a larger area than the light exit end face, and the height of the light diffusing portion is greater than the thickness of the light shielding portions. At least part of the opening of at least some of a plurality of air-cavities has a protrusion which is formed of a portion of the light diffusing portion that projects toward the inner side of the opening. 1. A light control member comprising:a light transmissive base;a plurality of light shielding portions formed so as to be scattered over one surface of the base; anda light diffusing portion formed on the one surface of the base in a region other than regions in which the light shielding portions are formed, whereinthe light diffusing portion has a light exit end face on the base side,the light diffusing portion has a light incident end face having a larger area than the light exit end face on a side opposite to the base side,a height between the light incident end face and the light exit end face of the light diffusing portion is greater than a thickness of the light shielding portions,spaces defined by the light shielding portions and side faces of the light diffusing portion are air-cavities, andat least part of an opening of at least some of a plurality of air-cavities corresponding to the plurality of light shielding portion has a protrusion which is formed of a portion of the light diffusing portion that projects toward an inner side of the opening.2. The light control member according to claim 1 , wherein the plurality of light shielding portions are arranged aperiodically when seen from a normal direction of the ...

TEXTURED SURFACES FOR DISPLAY APPLICATIONS

A substrate with a textured surface is disclosed. The substrate may be, for example, a light emitter comprising a light guide, for example a backlight element for use in a display device, wherein a surface of the light guide, for example a glass substrate, is configured to have a textured surface with a predetermined RMS roughness and a predetermined correlation length of the texture. A plurality of light scatter suppressing features can be provided on the textured surface. Textured surfaces disclosed herein may be effective to reduce electrostatic charging of the substrate surface. Methods of producing the textured surface are also disclosed. 1. A light emitter comprising:a substrate comprising a first edge and a second edge opposite the first edge, the substrate further including at least one major surface comprising a surface texture, wherein an RMS roughness of the textured major surface is in a range from 5 nm to 75 nm and a correlation length of the surface texture is in a range from 5 nm to 150 nm; andone or more light sources arranged proximate the first edge.2. The light emitter according to claim 1 , further comprising a plurality of light scatter suppressing features deposited on the textured major surface.3. The light emitter according to claim 2 , wherein a spatial density of the plurality of light scatter suppressing features varies as a function of distance in a direction from the first edge to the second edge.4. The light emitter according to claim 3 , wherein the spatial density of the plurality of light scatter suppressing features decreases as a function of distance in a direction from the first edge to the second edge.5. The light emitter according to claim 2 , wherein an index of refraction of the plurality of light scatter suppressing features is substantially equal to an index of refraction of the substrate.6. The light emitter according to claim 1 , wherein the substrate comprises a bimodal parameter value in a range from about 0.16 to about ...

FACETED MICROSTRUCTURED SURFACE

An optical film () includes a microstructured surface () comprising a plurality of prismatic structures (), the microstructured surface () defining a reference plane (-) and a thickness direction () perpendicular to the reference plane; wherein the plurality of prismatic structures includes a plurality of facets (), each facet having a facet normal direction forming a polar angle with respect to the thickness direction and an azimuthal angle along the reference plane, and wherein the microstructured surface has a surface azimuthal distribution of the plurality of facets that is substantially uniform, and wherein the microstructured surface has a surface polar distribution of the plurality of facets that has an off-axis peak polar distribution. 1. A microstructured surface , comprising:a plurality of slopes relative to a plane of the microstructured surface, about 10% of the microstructured surface having slopes less than about 10 degrees, about 15% of the microstructured surface having slopes greater than about 60 degrees, wherein about 80% of the microstructured surface has slopes less than about 30 degrees to about 60 degrees, wherein the microstructured surface comprises a plurality of substantially randomly arranged prismatic structures, each prismatic structure comprising a plurality of facets meeting at a peak, and wherein for each of at least a sub-plurality of the plurality of prismatic structures, each facet comprises a substantially planar central portion surrounded by a substantially curved peripheral portion.2. A microstructured surface , comprising:a plurality of substantially randomly arranged facets, each facet defining at least one slope relative to a plane of the microstructured surface, the at least one slope of the plurality of facets defining a slope magnitude cumulative distribution, a rate of change of the slope magnitude cumulative distribution around 20 degrees being substantially less than around 60 degrees, wherein a rate of change in the ...

OPTICAL COMPONENT AND LIGHT EMITTING DEVICE

An optical component includes a phosphor member, an optical filter arranged over the phosphor member at a light extraction side of the phosphor member, and a light scattering member arranged on over the optical filter. An excitation spectrum of the phosphor member has a first local maximum wavelength in the visible region and a second local maximum wavelength in the ultraviolet region. The optical filter is configured to reflect a portion of light at the first local maximum wavelength and a portion or all of light at the second local maximum wavelength. 1. An optical component comprising:a phosphor member;an optical filter arranged over the phosphor member at a light extraction side of the phosphor member; and an excitation spectrum of the phosphor member has a first local maximum wavelength in the visible region and a second local maximum wavelength in the ultraviolet region, and', 'the optical filter is configured to reflect a portion of light at the first local maximum wavelength and a portion or all of light at the second local maximum wavelength., 'a light scattering member arranged over the optical filter; wherein'}2. The optical component according to claim 1 , wherein the light scattering member is a light-transmissive material having a roughened upper surface.3. The optical component according to claim 1 , wherein a reflectance of light at the first local maximum wavelength incident at a predetermined angle with respect to an upper surface of the optical filter is smaller than a reflectance of light at the second local maximum wavelength incident at the predetermined angle.4. The optical component according to claim 3 , wherein the optical filter is a dielectric multilayer film.5. The optical component according to claim 1 , wherein the optical filter covers an entire upper surface of the phosphor member and the light scattering member covers an entire upper surface of the optical filter.6. The optical component according to claim 1 , wherein the light ...

Transparent diffusive oled substrate and method for producing such a substrate

A transparent diffusive OLED substrate includes (a) a transparent flat substrate made of mineral glass having a refractive index of between 1.45 and 1.65, (b) a rough low index layer including mineral particles, the mineral particles being attached to one side of the substrate by means of a sol-gel mineral binder, the mineral particles near, at or protruding from the mineral binder's surface creating a surface roughness characterized by an arithmetical mean deviation Ra comprised between 0.15 and 3 μm, the mineral particles and mineral binder both having a refractive index of between 1.45 and 1.65; (c) a high index layer made of an enamel having a refractive index comprised between 1.8 and 2.1 covering the rough low index layer.

DISPLAY APPARATUS

[Object] To provide a display apparatus that makes it possible to improve visibility. [Solution] A display apparatus according to an embodiment of the present disclosure includes: a display body device including a plurality of pixels, the plurality of pixels each including a plurality of light-emitting elements as light source elements; and an irregular structure formed on a front surface of the display body device. 1. A display apparatus comprising:a display body device including a plurality of pixels, the plurality of pixels each including a plurality of light-emitting elements as light source elements; andan irregular structure formed on a front surface of the display body device.2. The display apparatus according to claim 1 , wherein in the display body device claim 1 , a value obtained by dividing a light emission area (D) of the plurality of light-emitting elements represented by a following equation (1) by an area (P) of the pixel represented by a following equation (2) satisfies a following equation (3) claim 1 ,{'br': None, '[Math. 1]'}{'br': None, 'i': 'D=dx×dy', '(1)'} {'br': None, 'i': 'P=px×py', '(2)'}, '(dx: a length of a short side of the light-emitting element, dy: a length of a long side of the light-emitting element)'} {'br': None, 'i': 'D/P≤', '004\u2003\u2003(3).'}, '(px: a length of a short side of the pixel, py: a length of a long side of the pixel)'}3. The display apparatus according to claim 1 , wherein the irregular structure has surface roughness satisfying following equations (4) and (5) claim 1 ,{'br': None, '[Math. 2]'}{'br': None, 'i': 'Rz/RSm', '0.1≤≤2\u2003\u2003(4)'} {'br': None, 'i': RSm', 'dx+dy, '≤()/2\u2003\u2003(5).'}, '(Rz: a maximum cross-section height, RSm: an element mean length)'}4. The display apparatus according to claim 1 , wherein a value obtained by dividing a light emission area (D) of the plurality of light-emitting elements by an area (P) of the pixel is 0.01 or less.5. The display apparatus according to claim 1 , ...

SIMULTANEOUS POLARIZATION AND WAVEFRONT CONTROL USING A PLANAR DEVICE

Methods and device for controlling optical scattering are disclosed. An array of 4-fold asymmetric cylinders can act as optical elements scattering electromagnetic waves, where the orientation and dimension of each optical element is determined according to the desired polarization and phase shift response of the device. A Jones matrix can be calculated to determine the fabrication parameters of the optical elements. 1. A device comprising:a substrate; andan array of 4-fold asymmetric electromagnetic scattering elements on the substrate,wherein the 4-fold asymmetric electromagnetic scattering elements have a higher refractive index than the substrate.2. The device of claim 1 , wherein the substrate is made of silica and the 4-fold asymmetric electromagnetic scattering elements are made of amorphous silicon.3. The device of claim 2 , wherein the 4-fold asymmetric electromagnetic scattering elements are 4-fold asymmetric cylinders.4. The device of claim 3 , wherein the 4-fold asymmetric cylinders have a polarization dependent scattering response.5. The device of claim 4 , wherein a major axis of the 4-fold asymmetric cylinders is oriented according to a desired polarization dependent scattering response.6. The device of claim 5 , wherein the 4-fold asymmetric cylinders comprise a first group and a second group of 4-fold asymmetric cylinders claim 5 , the first group having a major axis oriented in a different direction than a major axis of the second group.7. The device of claim 4 , wherein one or more of a major axis claim 4 , minor axis claim 4 , major axis orientation claim 4 , and height of the 4-fold asymmetric cylinders are configured according to a desired polarization dependent scattering response.8. The device of claim 4 , wherein one or more of a major axis claim 4 , minor axis claim 4 , major axis orientation claim 4 , and height of the 4-fold asymmetric cylinders are configured so that electromagnetic waves incident on the device with a polarization ...

LIGHT SOURCE DEVICE AND PROJECTION-TYPE DISPLAY APPARATUS

A light source device includes: blue, green, and red laser light sources; a first retardation plate that controls polarization of blue laser light emitted from the blue laser light source; a polarizing beam splitter that separates the blue laser light whose polarization is controlled by the first retardation plate into a first blue laser light and a second laser light; a second retardation plate that controls polarization of the second blue laser light separated by the polarizing beam splitter; a fluorescent plate that is excited by the first blue laser light separated by the polarizing beam splitter and emits fluorescent light including a green component and a red component; a first dichroic mirror that combines the second blue laser light whose polarization is controlled by the second retardation plate and light emitted from the green and red laser light sources, to generate combined laser light; a dynamic diffuser plate that diffuses the combined laser light combined by the first dichroic mirror to generate diffused laser light; and a second dichroic mirror that combines the diffused laser light diffused by the dynamic diffuser plate and the fluorescent light emitted from the fluorescent plate. 1. A light source device comprising:a blue laser light source;a green laser light source;a red laser light source;a first retardation plate that controls polarization of blue laser light emitted from the blue laser light source;a polarizing beam splitter that separates the blue laser light whose polarization is controlled by the first retardation plate into a first blue laser light and a second blue laser light;a second retardation plate that controls polarization of the second blue laser light separated by the polarizing beam splitter;a fluorescent plate that is excited by the first blue laser light separated by the polarizing beam splitter and emits fluorescent light including a green component and a red component;a first dichroic mirror that combines the second blue ...

OPTICAL SHEET, SURFACE LIGHT SOURCE DEVICE AND TRANSMISSION TYPE DISPLAY DEVICE

There is provided an optical sheet which can prevent problems when it is superimposed on another member. The optical sheet includes: a sheet-like base layer; a light control layer having unit shaped elements arranged in a direction parallel to a sheet surface of the base layer; and a light diffusing layer disposed between the base layer and the light control layer. The light diffusing layer includes a binder resin portion and particles dispersed in the binder resin portion. The particles in the binder resin portion include a single particle and an aggregate formed of aggregated single particles. 1. An optical sheet comprising:a sheet-like base layer;a light control layer having unit shaped elements arranged in a direction parallel to a sheet plane of the base layer; anda light diffusing layer disposed between the base layer and the light control layer,wherein the light diffusing layer has a binder resin portion and particles dispersed in the binder resin portion,wherein the particles contained in the binder resin portion include an aggregate of aggregated single particles,wherein a surface, on a side of the light control layer, of the light diffusing layer is a rough surface having raised portions,wherein a refractive index of the binder resin portion of the light diffusing layer differs from a refractive index of a layer adjacent, from a side of the light control layer, to the light diffusing layer, andwherein the average value of radii of curvature at tops of the raised portions is lower than the average value of radii of granulated substances, the granulated substances being formed of the aggregate or the single particles and existing in the light diffusing layer.2. The optical sheet according to claim 1 ,wherein an internal diffusion value of the light diffusing layer, which indicates a degree of light diffusion by the light diffusing layer in the optical sheet and which is expressed in terms of a haze value, is not less than 20.3. The optical sheet according to ...

Electronic Device With Light Diffuser

An electronic device may have an optical system that includes one or more light-based components. The light-based components may include light-emitting components such as light-emitting diodes or lasers and may include light-detecting components such as photodiodes or digital image sensors. The optical system may include a light diffuser. The light diffuser may diffuse light that is being detected by a light-detecting component or may diffuse light that is being emitted by a light-emitting component. Light diffusers in optical systems may be formed from patterned light diffuser layers on transparent substrates. Layers of sealant, thin glass layers, antireflection coatings, and other layers may be incorporated into the light diffusers. The light diffuser layers may operate at visible wavelengths and infrared wavelengths. An infrared light diffuser layer may be formed from a patterned silicon layer such as a patterned layer of hydrogenated amorphous silicon. 1. An infrared light diffuser through which infrared light passes , comprising:a substrate layer that is transparent to the infrared light; anda patterned amorphous silicon light diffusing layer on the substrate layer that is configured to diffuse the infrared light.2. The infrared light diffuser defined in further comprising a sealant layer on the patterned amorphous silicon light diffusing layer.3. The infrared light diffuser defined in wherein the sealant layer has an index of refraction that is at least 1.0 lower than the index of refraction of the patterned light diffusing layer.4. The infrared light diffuser defined in further comprising an antireflection coating on the sealant layer.5. The infrared light diffuser defined in further comprising a glass layer claim 3 , wherein the sealant layer is interposed between the patterned amorphous silicon light diffuser layer and the glass layer.6. The infrared light diffuser defined in wherein the glass layer has a thickness of at least 0.05 mm claim 5 , the infrared ...

OPTICAL ELEMENT

An optical element includes a transmission diffraction portion, which reflective portions and transmissive portions. The reflective portions are arranged at equal intervals along a given axis. Each reflective portion reflects light included in the visible light. The light reflected by the reflective portions forms a reflection image. The transmissive portions transmit the visible light. Each transmissive portion is sandwiched by two corresponding reflective portions that are adjacent to each other along the given axis. At least part of each reflective portion forms the reflection image by rendering a reflection angle of the light reflected by the reflective portions different from an angle of light incident on the reflective portions. The transmission diffraction portion forms diffracted images having different colors with diffracted light that is produced by diffracting light transmitted through the transmissive portions in a predetermined direction. 1. An optical element comprising a transmission diffraction portion , which includesa plurality of reflective portions arranged at equal intervals along a given axis, wherein each of the reflective portions reflects light included in visible light, and the light reflected by the reflective portions forms a reflection image, anda plurality of transmissive portions, each sandwiched by two corresponding reflective portions that are adjacent to each other along the given axis, wherein the transmissive portions transmit the visible light, whereinat least part of each reflective portion forms the reflection image by rendering a reflection angle of the light reflected by the reflective portions different from an angle of light incident on the reflective portions, andthe transmission diffraction portion forms a plurality of diffraction images having different colors with diffraction light that is produced by diffracting light transmitted through the transmissive portions in a predetermined direction.2. The optical element ...

METHOD FOR PRODUCING GLASS ARTICLE, AND GLASS ARTICLE

A method for producing a glass article from a glass member including a glass substrate including a first main surface, a second main surface and an end face, and an irregular layer formed in at least one of main surfaces, includes forming an irregular layer having a glass transition point Tg which is equal to or lower than a glass transition point in a central part of the glass member in a thickness-direction sectional view and performing a heat treatment on the glass member so as to have an equilibrium viscosity in the central part of the glass member in thickness-direction sectional view of 10Pa·s or lower. 1. A method for producing a glass article from a glass member comprising a glass substrate including a first main surface , a second main surface and an end face , and an irregular layer formed in at least one of the main surfaces , the method comprising:forming the irregular layer having a glass transition point Tg which is equal to or lower than a glass transition point in a central part of the glass member in a thickness-direction sectional view; and{'sup': '17', 'performing a heat treatment on the glass member so as to have an equilibrium viscosity in the central part of the glass member in the thickness-direction sectional view of 10Pa·s or lower.'}2. The method for producing a glass article according to claim 1 , wherein the irregular layer is formed by etching treatment.3. The method for producing a glass article according to claim 1 , wherein the irregular layer is formed by blasting treatment.4. The method for producing a glass article according to claim 1 , wherein the heat treatment is performed in a molding step.5. The method for producing a glass article according to claim 4 , wherein in the molding step claim 4 , the glass member is mounted on a mold so that one of the main surfaces or the end surface of the glass member can be in contact with the mold claim 4 , and then the glass member is deformed.6. The method for producing a glass article ...

MICROSTRUCTURE SUBSTRATES, MANUFACTURING METHODS, AND DISPLAY DEVICES

The present disclosure relates to a microstructure substrate and the manufacturing method thereof, and a display device. The method includes coating an anti-fingerprint layer on a substrate, sputtering a SiO2 layer on the anti-fingerprint layer, and etching the SiO2 layer to form the SiO2 layer having a plurality of circular recessed microstructures. With such configuration, the impact caused by the circular depression microstructure to the high-resolution panel may be enhanced so as to reduce the degree of the blur with respect to the images. As such, the substrate may be adopted by high-resolution panels. 1. A display device , comprising:a microstructure substrate comprising:a substrate;an anti-fingerprint layer coated on the substrate;a SiO2 layer covering the anti-fingerprint layer, and the SiO2 layer comprising a plurality of circular depression microstructures;wherein the anti-fingerprint layer is made by mixed solution of SiO2, water-soluble resin, wax and related additive;and a width of the circular depression microstructure is in a range from 5 μm to 25 μm, a ratio of a depth to the width is in the range from 0.05 to 0.15, and an included angle between a tangent of an arc-surface and a horizontal direction is in the range from 5 to 20 degrees.2. A manufacturing method of microstructure substrates , comprising:coating an anti-fingerprint layer on a substrate;sputtering a SiO2 layer on the anti-fingerprint layer;etching the SiO2 layer to form the SiO2 layer having a plurality of circular recessed microstructures.3. The manufacturing method as claimed in claim 1 , wherein the step of sputtering the SiO2 layer on the anti-fingerprint layer further comprises:adjusting a sputtering direction relating to the SiO2 layer and the substrate, wherein the included angle formed by the sputtering direction and a normal line of the substrate is in a range from 75 to 85 degrees.4. The manufacturing method as claimed in claim 3 , wherein a thickness of the SiO2 layer is in a ...

Phase gradient nanocomposite window fabrication and method of fabricating durable optical windows

An optical window is provided and includes a core layer, a cladding layer and an electromagnetic interference (EMI) layer interposed between the core and cladding layers.

Diffuse reflecting optical construction

A diffuse reflecting optical construction that does not rely on special molds or tooling of the prior art in order to create a critical diffuse reflecting surface feature of the optical construction. An atomized spray method is employed to apply a hardenable transparent liquid polymer layer to the surface of a prefabricated base optical substrate. The polymer layer forms beads on the surface of the prefabricated base optical substrate, resulting in the formation of a surface having a random and continuous series of peaks and valleys thereon that form the diffuse reflecting surface feature. The prefabricated base optical substrate having the diffuse reflecting polymer layer thereon combined with additional optical layers forms a transparent diffuse reflecting optical construction that can be used in the manufacture of optical lenses, windows, and transparent films that reflect light in a diffuse manner while transmitting light in a substantially undistorted manner. 11. A method of manufacturing a diffuse reflecting optical construction , comprising:{'b': 2', '29', '28, 'providing a prefabricated light transmitting base optical substrate having first and second surfaces , ;'}{'b': 3', '29', '2', '3', '29', '2', '3, 'spraying a layer of a first hardenable light transmitting liquid polymer onto at least a portion of said first surface of said prefabricated light transmitting base optical substrate such that said layer becomes attached to said first surface of said prefabricated light transmitting base optical substrate as a continuous series of droplets, resulting in the formation of what is hereinafter referred to as diffuse reflecting optical layer ;'}{'b': 3', '3', '29', '2', '4', '4, 'curing said diffuse reflecting optical layer to a solid state in an open atmospheric environment, said cured diffuse reflecting optical layer having third and fourth surfaces, said third surface conforming to said first surface of said prefabricated light transmitting base optical ...

LIGHT REDIRECTING FILM AND DISPLAY SYSTEM INCORPORATING SAME

Optical films for redirecting light are described, and optical systems, such as display systems, incorporating such optical films are described. The optical film may include a first structured surface including a plurality of prismatic structures, and a second structured surface opposing the first structured surface and including a plurality of microstructures. An effective transmission of the optical film is not more than 1% less than a film with a comparable construction except for a smooth, non-structured second surface. 1. An optical film comprising:a first structured surface comprising a plurality of prismatic structures; anda second structured surface opposing the first structured surface and comprising a plurality of microstructures,wherein an effective transmission of the optical film is not more than 1% less than a film with a comparable construction except for a smooth, non-structured second surface.2. The optical film of claim 1 , wherein the effective transmission of the optical film is more than the film with the comparable construction except for the smooth claim 1 , non-structured second surface.3. The optical film of claim 1 , wherein the second structured surface has an optical haze of less than about 10% and an optical clarity of less than about 50%.4. The optical film of claim 3 , wherein at least 85% of the second structured surface has a slope magnitude that is less than about 7.5 degrees.5. The optical film of claim 1 , wherein the microstructures on the second structured surface are distributed such that the film has an RRvalue of less than 2.6. The optical film of claim 1 , wherein the second structured surface has an optical haze of less than about 7.5% and an optical clarity of less than about 60%.7. The optical film of claim 6 , wherein at least 90% of the second structured surface has a slope magnitude that is less than about 7.5 degrees.8. The optical film of claim 7 , wherein the optical film comprises a plurality of particles having an ...

Electronic Devices Having Ambient Light Sensors With Light Collimators

An electronic device may be provided with a display. The display may have an array of pixels that form an active area and may have an inactive area that runs along an edge of the active area. An opaque layer may be formed on an inner surface of a display cover layer in the inactive area of the display or may be formed on another transparent layer in the electronic device. An ambient light sensor window may be formed from the opening and may be aligned with color ambient light sensor. The ambient light sensor may have an integrated circuit with photodetectors. Ambient light passing through the ambient light sensor window may be diffused by a light diffuser having one or more light-diffusing layers. Diffused ambient light may be collimated using a light collimator having one or more light-collimating layers such as layers with inwardly facing protrusions. 1. An electronic device , comprising:a display;a color ambient light sensor; and a light detector integrated circuit having a plurality of photodetectors;', 'a light diffuser; and', 'a light collimator interposed between the light diffuser and the light detector, wherein the light collimator includes first and second light-collimating layers separated by an air gap., 'control circuitry configured to adjust the display based on ambient light color and ambient light intensity information from the color ambient light sensor, wherein the color ambient light sensor comprises2. The electronic device defined in wherein the light diffuser comprises first and second light diffuser layers separated by an air gap.3. The electronic device defined in wherein the first light diffuser layer has a first transparent substrate and wherein the second light diffuser has a second transparent substrate.4. The electronic device defined in wherein the first light diffuser includes first light-scattering particles and wherein the second light diffuser includes second light-scattering particles.5. The electronic device defined in further ...

TRANSPARENT LAYERED ELEMENT COMPRISING A DISPLAY REGION

A layered element includes two transparent outer layers having approximately the same refractive index and each having a smooth outer main surface, the layered element including a screen zone with properties of diffuse reflection and specular transmission comprising a textured middle layer interposed between the outer layers, a peripheral zone with properties of specular reflection and specular transmission, and a transition zone with properties of diffuse reflection and specular transmission between the screen zone and the peripheral zone, which includes a textured middle layer interposed between the outer layers. The diffuse light reflection at any point of the transition zone is less than or equal to the diffuse light reflection at any point of the screen zone and the variation of the diffuse light reflection in the transition zone from the screen zone to the peripheral zone, in any direction joining the screen zone to the peripheral zone, is decreasing. 1. A transparent layered element comprising two transparent outer layers having approximately the same refractive index and each having a smooth outer main surface , the transparent layered element comprising:a screen zone with properties of diffuse reflection and specular transmission comprising a textured middle layer interposed between the two transparent outer layers, which defines textured contact surfaces, parallel to one another, having a mean square slope Rdq strictly greater than 0.2°, the textured middle layer of the screen zone comprising at least one transparent layer with a refractive index different from that of the two transparent outer layers or a metallic layer, anda peripheral zone with properties of specular reflection and specular transmission,a transition zone with properties of diffuse reflection and specular transmission between the screen zone and the peripheral zone, the transition zone comprising a textured middle layer interposed between the two transparent outer layers, which defines ...

POLARIZING FILM AND LIQUID CRYSTAL DISPLAY DEVICE COMPRISING THE SAME

A polarizing film and a liquid crystal display device comprising the polarizing film are disclosed. The polarizing film comprises a base layer; an antiglare layer that is arranged on the base layer and is configured to have a first concave-convex structure; and a second concave-convex structure that is arranged on a surface of the first concave-convex structure, wherein a height of the second concave-convex structure from a bottom to a top thereof is configured to be less than a wavelength of visible light. In the polarizing film, the incident light can be scattered by the first concave-convex structure, so that mura can be shielded, the reflection of ambient light can be reduced, and the atomizing level can be improved. 1. A polarizing film , comprising:a base layer;an antiglare layer that is arranged on the base layer, wherein the antiglare layer is configured to have a first concave-convex structure; anda second concave-convex structure that is arranged on a surface of the first concave-convex structure, wherein a height of the second concave-convex structure from a bottom to a top thereof is configured to be less than a wavelength of visible light.2. The polarizing film according to claim 1 , wherein light scattering particles are arranged in the antiglare layer.3. The polarizing film according to claim 2 , wherein a size of each of the light scattering particles ranges from 0.2 μm to 0.6 μm.4. The polarizing film according to claim 1 , wherein a height of the second concave-convex structure ranges from 150 nm to 250 nm.5. The polarizing film according to claim 2 , wherein a height of the second concave-convex structure ranges from 150 nm to 250 nm.6. The polarizing film according to claim 4 , wherein a distance between two adjacent concave portions of the second concave-convex structure ranges from 80 nm to 180 nm.7. The polarizing film according to claim 5 , wherein a distance between two adjacent concave portions of the second concave-convex structure ranges ...

DIFFUSER PLATE

A diffuser plate includes a plurality of fine structures having two or more types of lens functions arranged on a main surface. Intensity of diffused light within a desired diffusion angle range is substantially uniform, and the diffuser plate satisfies a relation of P×P×Sk≤400 [μm], where P is an average pitch of the plurality of fine structures, Sk is a standard deviation of relative luminance of the plurality of fine structures in their front directions, P≤200 [μm], and Sk≥0.005. Thus, it is possible to provide a diffuser plate having a simple structure capable of achieving optical properties with little luminance and color unevenness and excellent appearance quality when an image is projected. 1: A diffuser plate , comprising:a plurality of fine structures having two or more types of lens functions arranged on a main surface,whereinintensity of diffused light within a desired diffusion angle range is substantially uniform, and{'sup': '2', 'the diffuser plate satisfies a relation of P×P×Sk≤400 [μm], where P is an average pitch of the plurality of fine structures, Sk is a standard deviation of relative luminance of the plurality of fine structures in their front directions, P≤200 [μm], and Sk≥0.005.'}2: The diffuser plate according to claim 1 , wherein when viewed from inside of a half-value angle at which intensity of diffused light within the desired diffusion angle range becomes half of a maximum value in a diffusion profile with respect to an angle of diffusion property normalized by the luminance value in the front direction claim 1 , within a range of angles inside a wider angle between an angle at which an absolute value of a slope of the diffusion property first becomes 0.02 [a.u./deg] or less and an angle range at which the absolute value of the slope of the diffusion property first becomes a local minimum point claim 1 , a maximum value of the absolute value of the slope of the diffusion property is 0.08 [a.u./deg] or less claim 1 , and an average value ...

MULTIPLE IMAGE SCATTERING DEVICE

The present invention relates to an optical element wherein a first and a second image is at least partially encoded by a pattern of a non-periodic, anisotropic surface relief microstructure such that when light is incident on the surface of the element the first image is optimally visible under a first viewing angle and the second image is optimally visible under a second viewing angle. The elements according to the invention are particularly useful for securing documents and articles against counterfeiting and falsification. 1202930407079809095512771839691612872778497922226424345467374757685868889. Optical element ( , , , , , , , , ) comprising areas with non-periodic , anisotropic surface relief microstructures , wherein a first ( , , , , , ) and a second ( , , , , , , ) image is at least partially encoded by the non-periodic , anisotropic surface relief microstructure ( , , , , , , , , , , , , , ) such that when light is incident on the surface of the element the first image is optimally visible under a first viewing angle and the second image is optimally visible under a second viewing angle.2. Optical element according to claim 1 , wherein the non-periodic claim 1 , anisotropic surface relief microstructure related to the first and/or to the second image comprises areas which differ by the anisotropy direction.35060919254649394. Optical element according to claim 1 , wherein at least one of the images can be observed with a positive ( claim 1 , claim 1 , claim 1 , ) and with a negative ( claim 1 , claim 1 , claim 1 , ) contrast at different viewing angles.4. Optical element according to claim 1 , wherein there is a region related to the first image and a region related to the second image claim 1 , both having a non-periodic claim 1 , anisotropic surface relief microstructure claim 1 , such that the anisotropy directions of said regions of first and second image differ by an angle between 22.5° and 67.5°.52872779297. Optical element according to claim 1 , ...

OPTICAL EFFECT STRUCTURES

The present invention provides an optical coating structure () applied to the surface of an object. “Scattering structures” are introduced to the basal, upper or middle layers of a multilayer reflector to cause a particular (calculated) degree of scattering, or to the surface of a black/color pigmented object to cause either enhanced transmission at the environment-object interface or omni-directional (as opposed to directional) reflections of which only a narrow portion can be observed. The scattering structures are mainly sub-micron in size, and arranged in a pseudo-random or non-periodic manner so as to prevent significant diffraction by themselves. Consequently they serve only to broaden the angular range of the light reflected at the surface normal from a multilayer reflector, or to provide (actual and/or perceived) reduced reflectivity of a surface by deflecting incident light through the surface rather than away from it or by scattering otherwise beam-like (narrow-angle) reflections from a surface into a broad-angle reflection. The scattering structures may comprise profile elements (), which are in the form of elongate bars having convexly curved sides or hemispherical rods, that are introduced to a basal layer of a multilayer reflector. The layers of the multilayer reflector follow the convex curve of the bars or rods to form a distorted reflector structure. 136-. (canceled)37. An optical coating structure that has been applied to a surface of an object to impart (i) a desired colour or (ii) a matt effect to the object , the optical coating structure comprising scattering structures which are sub-micron in size , at least in a height and width dimension , and arranged in non-periodic manner.38. The structure of claim 37 , wherein the scattering structures are profile elements that are introduced to a basal layer of the optical coating structure.39. The structure of claim 38 , wherein the profile elements comprise a convexly curved surface.40. The structure ...

MULTILAYER OPTICAL SHEET ASSEMBLY

An optical sheet assembly. A first base film has a first pattern layer disposed thereon. A second base film is disposed on one surface of the first base film and has a second pattern layer disposed on a top surface thereof. The second pattern layer abuts and supports a bottom surface of the first base film. A third base film is disposed on one surface of the second base film and has light-scattering beads being contained therein and recesses formed in one surface thereof bonded to the second base film. The second pattern layer is oriented in the same direction as the first pattern layer. The diameters of the recesses are greater than diameters of entrances thereof. Each of the first pattern layer and the second pattern layer includes a plurality of protrusions and a plurality of recesses defined between the protrusions. 1. An optical sheet assembly comprising:a first base film having a first pattern layer disposed thereon;a second base film disposed on one surface of the first base film, the second base film having a second pattern layer disposed on a top surface thereof, the second pattern layer abutting and supporting a bottom surface of the first base film; anda third base film disposed on one surface of the second base film, the third base film having light-scattering beads being contained therein and recesses formed in a surface thereof bonded to the second base film,wherein the second pattern layer is oriented in a same direction as the first pattern layer, andwherein diameters of the recesses are greater than diameters of entrances thereof.2. The optical sheet assembly according to claim 1 , wherein the first pattern layer comprises a plurality of protrusions and a plurality of recesses defined between the protrusions.3. The optical sheet assembly according to claim 1 , wherein the second pattern layer comprises first protrusions abutting to and supporting the first base film claim 1 , second protrusions claim 1 , heights of which are smaller than heights of ...

LIGHT PIPE AND ILLUMINATION DEVICE

A light pipe includes an emission end portion having a light exit surface; a columnar light-guide portion protruding from a surface of the emission end portion opposite to the light exit surface; and one or two or more annular light-guide portions protruding from the surface of the emission end portion opposite to the light exit surface and concentrically surrounding the columnar light-guide portion while spaced apart from the columnar light-guide portion. 1. A light pipe comprising:an emission end portion having a light exit surface;a columnar light-guide portion protruding from a surface of the emission end portion opposite to the light exit surface; andone or two or more annular light-guide portions protruding from the surface of the emission end portion opposite to the light exit surface and concentrically surrounding the columnar light-guide portion while spaced apart from the columnar light-guide portion.2. The light pipe according to claim 1 , wherein the one or two or more annular light-guide portions are two or more annular light-guide portions apart from each other.3. The light pipe according to claim 1 , wherein the one or two or more annular light-guide portions are apart from the columnar light-guide portion via a gap.4. The light pipe according to claim 2 , wherein the two or more annular light-guide portions are apart from each other via at least one gap.5. The light pipe according to claim 1 , wherein the emission end portion claim 1 , the columnar light-guide portion claim 1 , and the one or two or more annular light-guide portions are made of a resin material as an integrated body.6. A illumination device comprising:a reflector;a light source; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the light pipe according to between the reflector and the light source,'} at least one central LED facing an end of the columnar light-guide portion in a protruding direction of the columnar light-guide portion; and', 'a plurality of peripheral LEDs ...

Wide beam angle creation for solid state lighting

Disclosed is a lens plate (10) comprising a plurality of polygonal aspherical lenslets (11) each defined around a Voronoi point (13), said polygonal lenslets combining to form a Voronoi tessellation, wherein each polygonal lenslet includes a rotationally symmetric portion (15) centered on its Voronoi point and an aspherical surface (21) with a continually decreasing curvature from the surface vertex (25) of said rotationally symmetrical portion towards its edges (17). Such a lens plate is capable of generates wide beam angles, e.g. beam angles in excess of 30° at FWHM of the beam with high optical efficiency. Also disclosed is an optical arrangement including such a lens plate, a lighting device including such an optical arrangement and an apparatus including such a lighting device.

Laser arrangement with reduced building height

A laser arrangement includes a laser array, and an optical arrangement. The laser array includes lasers in a first pattern emitting a same laser emission profile around a first optical axis with a divergence angle θ/2. The optical arrangement has a diffusor with an array of optical elements in a second pattern, with a second optical axis, and with an illumination pattern along a first illumination axis in a field-of-view if laser light is received within a defined range smaller than or equal to a range of angles between −/+θ with respect to the second optical axis. A row of lasers parallel to the first illumination axis has a pitch p. A row of m optical elements is parallel to the first axis. Each optical element has a diameter L, and contacts its neighbor. The n lasers and the m optical elements satisfy n*p=m*L with a deviation smaller than +/−5%.

SUBSTRATE WRINKLED COATING

A system and a method include a substrate wrinkled coating having a substrate, and a curing layer on top of the substrate. The curing layer includes a partially cured portion directly atop the substrate, and a completely cured portion having light-diffusive wrinkles on top of the partially cured portion. Properties of the light-diffusive wrinkles are controlled by one or more curing parameters, and a composition of the partially cured portion is the same as a composition of the completely cured portion. 1. A substrate wrinkled coating , comprising:a substrate; and a partially cured portion directly atop the substrate, and', 'a completely cured portion having light-diffusive wrinkles on top of the partially cured portion, wherein properties of the light-diffusive wrinkles are controlled by one or more curing parameters, and a composition of the partially cured portion is the same as a composition of the completely cured portion., 'a curing layer on top of the substrate, the curing layer including'}2. The substrate wrinkled coating of claim 1 , wherein the substrate comprises an automotive lamp lens.3. The substrate wrinkled coating of claim 2 , wherein the substrate comprises an inner automotive lamp lens and an outer automotive lamp lens.4. The substrate wrinkled coating of claim 3 , wherein the curing layer is atop one of the inner automotive lamp lens and the outer automotive lamp lens.5. The substrate wrinkled coating of claim 1 , wherein the composition of the partially cured portion and the composition of the completely cured portion comprise one of a resin and a varnish claim 1 , mixed with a curing initiator.6. The substrate wrinkled coating of claim 1 , wherein the light-diffusive wrinkles comprise a wrinkle density and a wrinkle height configured to diffuse light rays emanating through the substrate.7. The substrate wrinkled coating of claim 1 , further comprising:a nanoparticle coating on top of the completely cured portion, the nanoparticle coating ...

OPTICAL FILM HAVING AN ATYPICAL PATTERN, METHOD FOR MANUFACTURING THE SAME, AND BACKLIGHT ASSEMBLY TO WHICH THE OPTICAL FILM IS APPLIED

The present invention relates to an optical film having an atypical pattern, a method for manufacturing same and a backlight assembly including the optical film. The optical film of the present invention includes: a base layer transmitting light incident from outside; and a pattern layer formed on one or both sides of the base layer, and having a surface structured of a continuously formed polygonal optical pattern having an irregular size and arrangement. Thus, hot-spots and bright lines occurring at a light source and a light entering unit may be prevented. Not only can the pattern density of the optical film be maximized to improve brightness, but strong bright points may be effectively scattered and distributed through the atypical pattern to provide the effect of improved light-shielding ability, thereby contributing to a reduction in the number of expensive optical films used in a backlight assembly and an improvement in brightness. 1. An optical film having an atypical pattern , comprising:a base layer transmitting incident light; anda pattern layer which is formed on one side or both sides of the base layer and which is configured to have atypical polygonal optical patterns having various sizes and irregularly arranged to have a structured surface.2. The optical film of claim 1 , wherein the optical patterns are formed on the base layer by embossing or engraving.3. The optical film of claim 2 , wherein the optical patterns are formed on the base layer to have embossed or engraved hemispheres claim 2 , and the hemispheres have various heights and refract light to diffuse or condense the light.4. The optical film of claim 1 , wherein the bottom shape of the optical pattern is at least one combination of a pentagon claim 1 , a hexagon claim 1 , a heptagon and an octagon.5. The optical film of claim 1 , wherein the optical pattern has a voronoi diagram shape claim 1 , and is configured such that claim 1 , among optical pattern cells repeatedly or continuously ...

DISPLAY DEVICES AND METHODS OF MANUFACTURING DISPLAY DEVICES

A display device includes a first substrate having a display region and a peripheral region, a display structure in the display region, a second substrate parallel to the first substrate, the second substrate including a light scattering structure in the display region, the light scattering structure being configured to scatter light generated in the display structure, and a shielding member adjacent to the light scattering structure. 1. A display device , comprising:a first substrate having a display region and a peripheral region;a display structure in the display region;a second substrate parallel to the first substrate, the second substrate including a light scattering structure in the display region, the light scattering structure being configured to scatter light generated in the display structure; anda shielding member adjacent to the light scattering structure.2. The display device as claimed in claim 1 , wherein the light scattering structure includes at least one recess.3. The display device as claimed in claim 2 , wherein the recess has a rounded bottom surface.4. The display device as claimed in claim 2 , wherein the light scattering structure further comprises a transparent member in the recess.5. The display device as claimed in claim 4 , wherein the transparent member has a refractive index different from a refractive index of the second substrate.6. The display device as claimed in claim 5 , wherein the transparent member includes a polyimide-based resin claim 5 , a photoresist claim 5 , an acrylic-based resin claim 5 , a polyamide-based resin claim 5 , and/or a siloxane-based resin.7. The display device as claimed in claim 2 , wherein the light scattering structure has a plurality of recesses.8. The display device as claimed in claim 7 , wherein the light scattering structure further comprises a plurality of transparent members in the plurality of recesses claim 7 , respectively.9. The display device as claimed in claim 1 , wherein the light ...

BRIGHTNESS ENHANCING FILM WITH EMBEDDED DIFFUSER

Brightness enhancing films with embedded diffusers are described. More specifically, films including a birefringent substrate, a prismatic layer carried by the substrate having linear prisms, and an embedded structured surface disposed between the substrate and the prismatic layer are disclosed. The embedded structured surface may include closely-packed structures. Processes for producing embedded structured surfaces having particular topographies are also disclosed. 1. An optical film , comprising:a birefringent substrate;a prismatic layer carried by the substrate, the prismatic layer having a major surface comprising a plurality of side by side linear prisms extending along a same prism direction; andan embedded structured surface disposed between the substrate and the prismatic layer comprising larger first structures and smaller second structures, the first and second structures both being limited in size along two orthogonal in-plane directions;wherein the first structures are non-uniformly arranged on the embedded structured surface;wherein the second structures are closely packed and non-uniformly dispersed between the first structures; andwherein an average size of the first structures is greater than 15 microns and an average size of the second structures is less than 15 microns.2. The optical film of claim 1 , wherein the embedded structured surface is characterized by a bimodal distribution of equivalent circular diameter (ECD) of structures of the embedded structured surface claim 1 , the bimodal distribution having a first and second peak claim 1 , the larger first structures corresponding to the first peak and the smaller second structures corresponding to the second peak.3. The optical film of claim 1 , wherein the average size of the first structures is in a range from 20 to 30 microns.4. The optical film of claim 1 , wherein the average size of the second structures is in a range from 4 to 10 microns.5. The optical film of claim 1 , wherein the ...

ELEMENT FOR MANIPULATING LIGHT

A method of using a non-woven material, preferably a wet-laid non-woven material, as a light-distribution element, includes: providing the non-woven material, the non-woven material including: (a1) 1-50 wt % matrix fibers; (a2) 50-99 wt % of at least partially thermally fused binder fibers; and (b) 20-200 wt % of at least one filler polymer. The proportions by weight of matrix fibers, at least partially thermally fused binder fibers, and at least one filler polymer in each case relate to a total weight of the non-woven material without the at least one filler polymer The matrix fibers include at least one matrix fiber polymer and the at least partially thermally fused binder fibers include at least one binder fiber polymer. The at least one matrix fiber polymer and/or at least one binder fiber polymer independently of one another have a refractive index “n” of 1.3 to 1.7. 1. A method of using a non-woven material , preferably a wet-laid non-woven material , as a light-distribution element , comprising: (a1) 1-50 wt % matrix fibers;', '(a2) 50-99 wt % of at least partially thermally fused binder fibers; and', '(b) 20-200 wt % of at least one filler polymer,, 'providing the non-woven material, the non-woven material comprisingwherein the proportions by weight of matrix fibers, at least partially thermally fused binder fibers, and at least one filler polymer in each case relate to a total weight of the non-woven material without the at least one filler polymer,whereinthe matrix fibers comprise at least one matrix fiber polymer and the at least partially thermally fused binder fibers comprise at least one binder fiber polymer,wherein the at least one matrix fiber polymer and/or at least one binder fiber polymer independently of one another have a refractive index “n” of 1.3 to 1.7,wherein the at least one filler polymer has a refractive index “n” of 1.2 to 1.7,wherein a difference between the refractive index of the at least one matrix fiber polymer and the refractive ...

OPTICAL FILM

Disclosed is an optical film includes a first prism sheet including a plurality of first prisms arranged on one side of the first prism sheet, a second prism sheet including a plurality of second prisms arranged on one side of the second prism sheet, and a diffuser sheet including a plurality of first protrusions and a plurality of second protrusions arranged on one side of the diffuser sheet. The optical film is prepared to have a height of the first protrusions being greater than a height of the second protrusions. The optical film is further prepared that the first prism sheet, the second prism sheet and the diffuser sheet laminated where the first protrusions of the diffuser sheet is adhered to a side of the first prism sheet where no first prisms are arranged, and the first prisms of the first prism sheet are adhered to a side of the second prism sheet where no second prisms are arranged. 1. An optical film comprising;a first prism sheet including a plurality of first prisms arranged on one side of said first prism sheet,a second prism sheet including a plurality of second prisms arranged on one side of said second prism sheet, anda diffuser sheet including a plurality of first protrusions and a plurality of second protrusions arranged on one side of said diffuser sheet wherein a height of said first protrusions is greater than a height of said second protrusions,wherein said first protrusions of said diffuser sheet are adhered to an opposite side of said first prism sheet where said first prisms are arranged, andwherein said first prisms of said first prism sheet are adhered to an opposite side of said second prism sheet where said second prisms are arranged.2. The optical film according to the further comprising;said diffuser sheet is adhered to said first prism sheet by an adhesive material and said first prism sheet is adhered to said second prism sheet by an adhesive material.3. The optical film according to the further comprising;a cross-sectional shape ...

DIFFUSER PLATE AND METHOD FOR DESIGNING DIFFUSER PLATE

The present invention provides a diffuser plate in a simple structure capable of achieving optical properties with less luminance irregularity and color irregularity and good quality of appearance. A diffuser plate is a diffuser plate where a plurality of microlenses are placed on a principal surface, shapes of the plurality of microlenses along a cross-section perpendicular to the principal surface are different from one another and do not have an axis of symmetry. A method for designing the diffuser plate includes steps of determining a specific reference microlens; placing the reference microlens on the principal surface; forming a specific phase modulation shape; and determining a shape of the plurality of microlenses by combining the specific reference microlens and the specific phase modulation shape. 1: A diffuser plate where a plurality of microlenses are placed on a principal surface , wherein shapes of the plurality of microlenses along a cross-section perpendicular to the principal surface are different from one another and do not have an axis of symmetry.2: The diffuser plate according to claim 1 , wherein a surface shape of each of the plurality of microlenses along the cross-section consists only of curves.3: The diffuser plate according to claim 1 , wherein apexes of the plurality of microlenses are at different positions in a direction perpendicular to the principal surface.4: The diffuser plate according to claim 1 , wherein the plurality of microlenses are arranged in a lattice pattern on the principal surface.56-. (canceled)7: The diffuser plate according to claim 1 , whereinthe diffuser plate is a reflective diffuser plate,the plurality of microlenses are convex lenses, and0.1≤ΔH×1000/λ is satisfied where ΔH[μm] is a difference between a maximum height and a minimum height of an apex of a convex surface of the plurality of microlenses from the principal surface, and λ[nm] is a wavelength of incidence light.8: The diffuser plate according to claim ...

ANTI-GLARE SHEET FOR IMAGE DISPLAY DEVICE

An anti-glare sheet that exhibits excellent glossy black textures, blackness in dark locations, and anti-glare properties for dynamic images, and that is suited to the implementation of high quality images. The anti-glare sheet has, on at least one surface of a transparent substrate, an anti-glare layer comprising binder resin, diffusion particles, and binder particulates. The anti-glare sheet is characterized by the anti-glare layer having protrusions and recesses on the surface on the opposite side thereof to the transparent substrate, the protrusions and recesses being formed by protrusions based on agglomerations of the diffusion particles and/or diffusion particles having in the vicinity thereof a localized layer in which the density of binder particulates is high, and equation (1) and equation (2) being satisfied where Q is the luminance in the direction of regular transmission when visible light is perpendicularly irradiated on the anti-glare sheet from the transparent substrate side, Qis the luminance in a direction 30 degrees from regular transmission; and U is the average value of the transmission intensity obtained by respectively extrapolating, to a regular transmission, a straight line joining the luminance in a direction +2 degrees from regular transmission to the luminance in a direction +1 degree from regular transmission, and a straight line joining the luminance in a direction −2 degrees from regular transmission to the luminance in a direction −1 degree from regular transmission. 1. An antiglare sheet having an antiglare layer comprising a binder resin , diffusion particles and binder fine particles on at least one side of a transparent base material , the antiglare layer having irregularities on the side opposite the transparent base material , the irregularities being formed by raised sections , constituted by the diffusion particles and/or the diffusion particle aggregates , that are surrounded by a localization layer with high density of the ...

Optical sheet

Provided is an optical sheet, the optical sheet comprising: a base film; and a plurality of constructions which are irregularly arranged on one surface of the base film so that an arrangement axis of one construction is out of an arrangement axis of another construction adjacent to one side surface of the base film within a range of 1 to 50% of a length or a width of the another construction. Thus, a protective film and a prism type sheet are removed, and the weakness and workability of processes are improved, thereby being capable of reducing a unit price. Furthermore, a shielding force which is the most weakness of the prism type sheet can be improved.

RESIN MOLDED PRODUCT AND VEHICLE DISPLAY DEVICE

A resin molded product that is applied to a vehicle display device has a surface on which a plurality of fine irregularities having surface roughness of equal to or larger than 1.0 μm and equal to or smaller than 10.0 μm and an array pitch of equal to or larger than 3.0 μm and equal to or smaller than 18.0 μm are molded. In other words, the resin molded product has the surface on which the fine irregularities causing a gloss value at an incident angle of 85° to be equal to or lower than 2 are molded. This configuration provides an effect that the resin molded product and the vehicle display device can lower gloss of the surface. 1. A resin molded product applied to a vehicle display device mounted on a vehicle , the resin molded product comprising:a surface of the resin molded product on which a plurality of fine irregularities are molded, the fine irregularities having surface roughness of equal to or larger than 1.0 μm and equal to or smaller than 10.0 μm and an array pitch of equal to or larger than 3.0 μm and equal to or smaller than 18.0 μm.2. The resin molded product according to claim 1 , whereinthe fine irregularities have the surface roughness of equal to or larger than 1.3 μm and equal to or smaller than 10.0 μm and the array pitch of equal to or larger than 3.0 μm and equal to or smaller than 13.5 μm.3. A vehicle display device comprising:a display unit that is mounted on a vehicle and displays information relating to the vehicle; anda resin molded product that is provided around the display unit and has a surface on which a plurality of fine irregularities are molded, the fine irregularities having surface roughness of equal to or larger than 1.0 μm and equal to or smaller than 10.0 μm and an array pitch of equal to or larger than 3.0 μm and equal to or smaller than 18.0 μm.4. A vehicle display device comprising:a display unit that is mounted on a vehicle and displays information relating to the vehicle; anda resin molded product that is located between ...

Cover glass sheet

A cover glass sheet configured to cover a display element including a first textured surface having a surface roughness defined by a first arithmetic amplitude value, Ra1, and a first spacing value, Rsm1. Both values are measured on an evaluation length of 12 mm with a Gaussian filter wherein the cut-off wavelength is 0.8 mm. A first transmission haze value, Haze1, is equal to or lower than 10%. A first clarity value, Clarity1, and a second textured surface comprise a second transmission haze value, Haze2. The second transmission haze value, Haze2, of the second textured surface is equal to or lower than a maximum haze value, HazeMax (Haze2≤HazeMax), wherein HazeMax=4.99−8.13 10−1(Haze1)+4.67 10−2(Clarity1) %.

DISPLAY APPARATUS

A light diffusing member includes a base having light transmissivity, a light diffuser formed with a predetermined height on a surface of the base facing a display body, and a light blocking layer formed in a region other than the light diffuser on the surface of the base facing the display body. The light blocking layer has a thickness smaller than the height of the light diffuser. The light diffuser has a light exit end surface that is in contact with the base, and a light entrance end surface that is opposite the light exit end surface and that has an area larger than the area of the light exit end surface. The light entrance end surface is adhered to the adhesive layer, and the thickness of the adhesive layer is smaller than the height of a space formed between the light diffuser and the light blocking layer, the height extending from the light blocking layer to the light entrance end surface. 1. A display apparatus comprising:a display body;a light diffusing member that is provided at a viewing side of the display body and that outputs light in a state where angle distribution of the light entering from the display body is expanded relative to that before the light enters the light diffusing member; andan adhesive layer that is interposed between the display body and the light diffusing member,wherein the light diffusing member includes a base having light transmissivity, a light diffuser formed with a predetermined height on a surface of the base facing the display body, and a light blocking layer formed in a region other than the light diffuser on the surface of the base facing the display body, the light blocking layer having a thickness smaller than the height of the light diffuser,wherein the light diffuser has a light exit end surface that is in contact with the base, and a light entrance end surface that is opposite the light exit end surface and that has an area larger than an area of the light exit end surface,wherein the light entrance end surface is ...

MULTI-FACETED DIFFUSER PROVIDING SPECIFIC LIGHT DISTRIBUTIONS FROM A LIGHT SOURCE

Optical or light diffusers (or, simply, “diffusers”) designed and manufactured to include numerous facets arranged in cells or sets in which the planar faces or outward-facing surfaces have orientations and transmission angles (as may be defined by direction cosines of normal) to redirect received light to a region or portion of a predefined light distribution. A method of designing or defining the facets of the diffuser is also provides as are methods of manufacturing the diffusers and apparatus or products that include the new diffusers (such as microdisplays and lighting components). The diffusers are optically designed to produce a user-specified distribution of light. The diffusers can be engineered through the configuration of the facets on its front or outer surface (light transmission surface) to produce nearly any type of light distribution or shape, and the diffuser design facilitates their manufacture using extrusion processes as well as other fabrication techniques. 1. A method of fabricating a diffuser to produce a user-selectable light distribution , comprising:defining a size of a front surface of a diffuser;defining a size and shape of facets for the diffuser;calculating a number of the facets for inclusion on the front surface based on the size of the front surface and the size of the facets;receiving or retrieving user input defining a light distribution;dividing the light distribution into a plurality of cells each having an associated brightness value to achieve the light distribution based on light input into the diffuser from a light source;determining a subset of the number of the facets for inclusion in sets associated with each of the plurality of cells based on the associated brightness values; andrandomly assigning each of the facets to one of the sets until each of the sets has the determined subset of the number of the facets.2. The method of claim 1 , wherein each of the plurality of cells provides an angular region of the light ...

LIGHT DIFFUSING SHEET

A light diffusing sheet according to an embodiment of the invention may be a light diffusing sheet that is formed on one side of a substrate and has a particular pattern formed on a surface thereof, where the light diffusing sheet may include a polydimethylsiloxane (PDMS) coating layer that is formed on one side of the substrate and a poly-chloro-p-xylene coating layer that is formed on one side of the polydimethylsiloxane (PDMS) coating layer with a pattern formed on its surface, the tensile strength of the polydimethylsiloxane (PDMS) coating layer is 10 to 60 psi, and a compressive force is applied on the polydimethylsiloxane (PDMS) coating layer when an interface is formed between the polydimethylsiloxane (PDMS) coating layer and the poly-chloro-p-xylene coating layer. 1. A light diffusing sheet formed on one side of a substrate and having a particular pattern formed on a surface thereof , the light diffusing sheet comprising:a polydimethylsiloxane (PDMS) coating layer formed on one side of the substrate, the polydimethylsiloxane (PDMS) coating layer having a tensile strength of 10.27 to 57.98 psi; anda poly-chloro-p-xylene coating layer formed on one side of the polydimethylsiloxane (PDMS) coating layer, the poly-chloro-p-xylene coating layer having a pattern formed on a contact surface with the polydimethylsiloxane (PDMS) coating layer,wherein a pattern width of the poly-chloro-p-xylene coating layer is wider as a thickness of the poly-chloro-p-xylene coating layer is thicker, the thickness of the poly-chloro-p-xylene coating layer is 3 to 28 μm, and the pattern width of the poly-chloro-p-xylene coating layer is 14.45 to 24.71 μm.2. The light diffusing sheet of claim 1 , wherein components of the polydimethylsiloxane (PDMS) coating layer include at least one organic polymer selected from a group consisting of silicone rubber claim 1 , silicone latex claim 1 , latex claim 1 , dimethyl silicone claim 1 , dimethyl polysiloxane claim 1 , and methyl silicone.3. A ...

Display cover for digital writing and optical performance

An embodiment of a method of manufacturing a cover lens for an electronic display includes etching a first surface geometry on a first surface of the cover lens. In the embodiment, the method includes determining a plurality of angles of refraction at the first surface from light generated from the electronic display based on the first surface geometry. In the embodiment, the method includes determining a second surface geometry for a second surface of the cover lens based on the plurality of angles of refraction at the first surface. In the embodiment, the method includes etching the second surface geometry on the second surface of the cover lens.

Brightness enhancing film with embedded diffuser

Brightness enhancing films with embedded diffusers are described. More specifically, films including a birefringent substrate, a prismatic layer carried by the substrate having linear prisms, and an embedded structured surface disposed between the substrate and the prismatic layer are disclosed. The embedded structured surface may include closely-packed structures. Processes for producing embedded structured surfaces having particular topographies are also disclosed.

Display module

A display module includes a backlight module, a liquid crystal layer disposed on the backlight module, and a first light-expanding layer disposed on the liquid crystal layer. The backlight module provides a surface light source. The surface light source forms an image light through the liquid crystal layer, and the first light-expanding layer increases the viewing angle range of the image light along a first direction. The first light-expanding layer substantially extends along a virtual plane, the first direction is perpendicular to the normal of the virtual plane, and a second direction is perpendicular to the first direction and the normal of the virtual plane. The light intensity at the 60-degree viewing angle of the surface light source along the first direction is lower than the light intensity at the 60-degree viewing angle of the surface light source along the second direction.

Display having light-scattering property

A display includes light-scattering regions. Each of the light-scattering regions is provided with linear protrusions and/or recesses having the same longitudinal direction. The light-scattering regions are different from each other in the longitudinal direction.

POLARIZING MEMBER AND DISPLAY DEVICE HAVING THE SAME

A polarizing member includes a base layer, a first reflection preventing layer and a second reflection preventing layer. A base layer polarizes light, generating polarized light. A first reflection preventing layer is disposed on the base layer, diffusing the polarized light and generating first diffused light. A second reflection is disposed on the first reflection preventing layer, diffusing the first diffused light and generating second diffused light. 1. A polarizing member , comprising:a base layer polarizing light and generating polarized light;a first reflection preventing layer disposed on the base layer, diffusing the polarized light and generating first diffused light; anda second reflection preventing layer disposed on the first reflection preventing layer, diffusing the first diffused light and generating second diffused light.2. The polarizing member of claim 1 , wherein at least one of the first reflection preventing layer and the second reflection preventing layer has surface irregularities.3. The polarizing member of claim 2 , wherein the surface irregularities are of an embossed type or of an engraved type.4. The polarizing member of claim 1 , wherein at least one of the first reflection preventing layer and the second reflection preventing layer includes a binder and a plurality of beads scattered in the binder to diffuse the polarized light or the first diffused light.5. The polarizing member of claim 1 , wherein one of the first reflection preventing layer and the second reflection preventing layer includes a binder and a plurality of beads scattered in the binder to diffuse the polarized light or the first diffused light and the other reflection preventing layer has surface irregularities.6. The polarizing member of claim 1 , wherein at least one of the first reflection preventing layer and the second reflection preventing layer includes a binder with surface irregularities and a plurality of beads scattered in the binder to diffuse the ...

FACETED MICROSTRUCTURED SURFACE

An optical film includes a microstructured surface having a plurality of irregularly arranged planar portions forming greater than about 10% of the microstructured surface. The microstructured surface may be configured such that, when the microstructured surface is placed on an emission surface of a lightguide with a first luminous distribution of light exiting the lightguide from the emission surface in a first plane perpendicular to the emission surface, the light emitted by the lightguide is transmitted by the microstructured surface at a second luminous distribution of the transmitted light in the first plane. The first luminous distribution includes a first peak making a first angle greater than about 60 degrees with a normal to the microstructured surface. The second luminous distribution includes a second peak making a second angle in a range from about 5 degrees to about 35 degrees with the normal to the microstructured surface. 210-. (canceled)11. The microstructured surface of claim 1 , wherein the first angle is greater than about 70 degrees with the normal to the microstructured surface claim 1 , and the second angle is in a range from about 10 degrees to about 30 degrees with the normal to the microstructured surface.12. An optical film comprising opposing first and second major surfaces claim 1 , the first major surface comprising the microstructured surface of .13. A microstructured surface comprising:a plurality of irregularly arranged facets;opposing first and second major sides;wherein when normally incident collimated light is incident on the first major side, the microstructured surface has a first total transmission,wherein when normally incident collimated light is incident on the second major side, the microstructured surface has a second total transmission and a luminous distribution having an on-axis value along the normal direction and a peak value,wherein the second total transmission is greater than the first total transmission, ...

DIFFUSER COMBINING A MULTI-FACETED SURFACE AND A LENS-COVERED SURFACE TO PROVIDE SPECIFIC LIGHT DISTRIBUTIONS

Optical or light diffusers (or, simply, “diffusers”) designed and manufactured to include numerous facets arranged in cells or sets in which the planar faces or outward-facing surfaces have orientations and transmission angles (as may be defined by direction cosines of normal) to redirect received light to a region or portion of a predefined light distribution. A method of designing or defining the facets of the diffuser is also provides as are methods of manufacturing the diffusers and apparatus or products that include the new diffusers (such as microdisplays and lighting components). The diffusers are optically designed to produce a user-specified distribution of light. The diffusers can be engineered through the configuration of the facets on its front or outer surface (light transmission surface) to produce nearly any type of light distribution or shape, and the diffuser design facilitates their manufacture using extrusion processes as well as other fabrication techniques. 1. An apparatus for producing a predefined light distribution in space , comprising:a light source operable to output light; anda diffuser with a substrate having a back surface receiving the light output from the light source and a front surface, opposite the back surface, redirecting and transmitting the light received on the back surface to output diffuse light with the predefined light distribution from the diffuser,wherein the substrate is formed of a light-transmissive material,wherein the back surface comprises a plurality of lenses focusing the light received on the back surface onto the front surface,wherein the front surface comprises a plurality of facets providing the diffusing of the light, andwherein each of the plurality of sets is associated with a region of the predefined light distribution.2. The apparatus of claim 1 , wherein each of the plurality of facets is randomly assigned to one of a plurality of sets and wherein each of the facets in each of the plurality of sets has ...

Bird anti-collision window film

A bird anti-collision film prevents birds from flying into windows by disrupting visible habitat reflections that might appear on the outside of the windows. Instead of simply blocking or absorbing light, the anti-collision film actively refracts and scatters light generating an active light disturbance. The refracted light includes an ultraviolet light range visible by many birds. A textured surface and an optical brightener increase the intensity of the refracted light disturbance. The anti-collision film increases active light disturbance intensity when attached to the inside of a window providing the unique advantages of easy inside window installation and insulation from external weather conditions.

Optical member

There is provided an optical member capable of achieving a liquid crystal display apparatus that is thin and has extremely high brightness. An optical member of the present invention includes: a first member having a function of converting direction of light; and a second member laminated on the first member via an adhesion layer. The adhesion layer has void portions, and non-contact portions are defined at an interface between the adhesion layer and the first member and/or the second member, and the adhesion layer is brought into contact with each of the first member and the second member in four corner portions of the optical member in plan view.

OPTICAL FILM, METHOD FOR MANUFACTURING OPTICAL FILM, AND LIQUID CRYSTAL DISPLAY INDLUDING OPTICAL FILM

Provided are an optical film, a method for manufacturing an optical film, and a liquid crystal display. An optical film includes: a polarizer, a diffusion sheet adhered to a bottom surface of the polarizer, the diffusion sheet including: a first diffusion member, and a second diffusion member adhered to the first diffusion member, and a prism sheet adhered to a bottom surface of the diffusion sheet. 1. An optical film , comprising:a polarizer; a first diffusion member; and', 'a second diffusion member adhered to the first diffusion member; and, 'a diffusion sheet adhered to a bottom surface of the polarizer, the diffusion sheet comprisinga prism sheet adhered to a bottom surface of the diffusion sheet.2. The optical film of claim 1 , wherein:the diffusion sheet comprises an adhesive layer between the first diffusion member and the second diffusion member; andthe first diffusion member and the second diffusion member are adhered together by the adhesive layer.3. The optical film of claim 1 , wherein the first diffusion member and the second diffusion member are spaced apart from each other.4. The optical film of claim 3 , wherein a distance between the first diffusion member and the second diffusion member is 0.1 μm to 20 μm.5. The optical film of claim 1 , wherein each of the first diffusion member and the second diffusion member comprises a plurality of beads.6. The optical film of claim 5 , wherein:each of the first diffusion member and the second diffusion member comprises an uneven surface attributable to the plurality of beads; andthe uneven surface of the first diffusion member and the uneven surface of the second diffusion member face each other.7. The optical film of claim 1 , wherein each of the first diffusion member and the second diffusion member has a refractive index of 1.5 to 1.7.8. The optical film of claim 2 , wherein the adhesive layer has a refractive index of 1.4 to 1.6.9. The optical film of claim 2 , wherein a refractive index of each of the ...

ORGANIC EL PANEL-USE TRANSPARENT RESIN LAYER, ORGANIC EL PANEL, ORGANIC EL LIGHTING DEVICE, AND ORGANIC EL DISPLAY

A transparent resin layer for use in an organic EL panel includes: a transparent resin ; and first fine particles having an average particle diameter from 300 to 50000 nm and second fine particles having an average particle diameter from 1 to 300 nm dispersed in the transparent resin . Alternatively, a transparent resin layer for use in an organic EL panel includes a transparent resin having an uneven structure, the uneven structure includes first projections in which at least either the widths or the heights are from 300 to 1000 nm and second projections in which at least either the widths or the heights are from 10 to 300 nm. 1. A light-scattering layer for use in an organic EL panel , comprising:a transparent resin layer; anda planarizing layer, a transparent resin; and', 'a plurality of light-scattering fine particles dispersed in the transparent resin without protruding from a surface of the transparent resin, wherein, 'wherein the transparent resin layer comprises a first fine particle group comprising light-scattering fine particles having an average particle diameter from 300 to 50000 nm, and', 'a second fine particle group comprising light-scattering fine particles having an average particle diameter from 1 to 300 nm, and, 'the plurality of light-scattering fine particles comprisewherein the refractive index of the planarizing layer is higher than that of the transparent resin layer.2. The light-scattering layer according to claim 1 , wherein the plurality of light-scattering fine particles comprise organic fine particles comprising at least one selected from the group consisting of a copolymer of methacrylic acid ester and styrene claim 1 , a polycarbonate resin claim 1 , a polymethylmethacrylate resin claim 1 , a melamine resin claim 1 , a polystyrene resin claim 1 , and a silicone resin.3. The light-scattering layer according to claim 1 , wherein the plurality of light-scattering fine particles comprise inorganic fine particles comprising at least one ...

Backside refraction layer for backside illuminated image sensor and methods of forming the same

Photosensors may be formed on a front side of a semiconductor substrate. An optical refraction layer having a first refractive index may be formed on a backside of the semiconductor substrate. A grid structure including openings is formed over the optical refraction layer. A masking material layer is formed over the grid structure and the optical refraction layer. The masking material layer may be anisotropically etched using an anisotropic etch process that collaterally etches a material of the optical refraction layer and forms non-planar distal surface portions including random protrusions on physically exposed portions of the optical refraction layer. An optically transparent layer having a second refractive index that is different from the first refractive index may be formed on the non-planar distal surface portions of the optical refraction layer. A refractive interface refracts incident light in random directions, and improves quantum efficiency of the photosensors.

DEPOSITION SUBSTRATE AND SCINTILLATOR PANEL

An object of the invention is to provide scintillator panels which can give radiographic images such as X-ray images with excellent sharpness and excellent uniformity of sharpness, which realize devices such as flat panel detectors having uniform image quality characteristics in the light-receiving plane, and which exhibit excellent cuttability, excellent sharpness and excellent in-plane uniformity of sharpness. A scintillator panel of the invention includes a support, a reflective layer on the support, and a scintillator layer formed on the reflective layer by deposition. The reflective layer includes light-scattering particles and a binder resin. A specific region of the reflective layer is defined by a resin or includes light-scattering particles having a specific area average particle diameter, or the reflective layer has a specific arithmetic average roughness. 1. A deposition substrate comprising a support and a reflective layer disposed on the support ,the reflective layer including light-scattering particles and a binder resin,the light-scattering particles being buried in the binder resin.2. The deposition substrate according to claim 1 , wherein the reflective layer includes a region free from light-scattering particles extending from the surface of the reflective layer opposite to the surface in contact with the support toward the surface in contact with the support claim 1 , and the thickness of the region is 0.05 μm to 20 μm.3. The deposition substrate according to claim 1 , further comprising a layer free from light-scattering particles on the surface of the reflective layer opposite to the surface in contact with the support.4. The deposition substrate according to claim 1 , wherein the light-scattering particles include at least one selected from alumina claim 1 , yttrium oxide claim 1 , zirconium oxide claim 1 , titanium dioxide claim 1 , barium sulfate claim 1 , silica claim 1 , zinc oxide claim 1 , calcium carbonate claim 1 , glasses and resins.5. ...

Textured high refractive index surface for reflective image displays

A textured surface on the inward side of the high refractive index transparent front sheet in a reflective image display may lead to a display with a wider viewing angle. The textured surface may be in a random or a patterned array and may comprise microstructures that exhibit total internal reflection and Fresnel reflections. Electrophoretically mobile particles of similar size to the microstructures may improve coverage on the front sheet and improve frustration of TIR leading to darker dark states.

LOW SPARKLE ARTICLES AND DISPLAY SYSTEM STACKS

The present invention describes articles comprising a substrate including opposed front and back surfaces, wherein the front surface and the back surface each comprise surface structures that are randomly oriented on each surface, wherein the front surface and the back surface each have a surface roughness and a gloss value, and wherein the surface roughness of the front surface does not equal the surface roughness of the back surface and/or the gloss value of the front surface does not equal the gloss value of the back surface. Display system stacks utilizing the described articles are also provided. 1. An article comprising a substrate including opposed front and back surfaces ,wherein the front surface and the back surface each comprise surface structures that are randomly oriented on each surface,wherein the front surface and the back surface each a surface roughness and a gloss value, andwherein the surface roughness of the front surface does not equal the surface roughness of the back surface and/or the gloss value of the front surface does not equal the gloss value of the back surface.2. The article of claim 1 , wherein the substrate consists of a single unitary layer.3. The article of claim 1 , wherein the substrate comprises a first layer and a second layer that are stacked claim 1 , wherein the first layer comprises the front surface and the second layer comprises the back surface.4. The article of claim 3 , wherein the second layer comprises the front and back surfaces or the first layer comprises the front and back surfaces.5. The article of claim 1 , wherein the surface roughness of the front surface does not equal the surface roughness of the back surface.6. The article of claim 1 , wherein the gloss value of the front surface does not equal the gloss value of the back surface.7. article of claim 1 , wherein the surface roughness for the front surface. and/or the back surface is in a range of about 0.01 microns to about 1 micron claim 1 , optionally as ...

Wavelength conversion module, manufacturing method of wavelength conversion module and projection device

A wavelength conversion module, a manufacturing method of wavelength conversion module and a projection device are provided. The wavelength conversion module includes a substrate, an anodized layer and a wavelength conversion layer. The anodized layer is located on the substrate, wherein the anodized layer has a rough surface. The anodized layer is located between the substrate and the wavelength conversion layer, and the rough surface faces the wavelength conversion layer. A projection device having aforesaid wavelength conversion module and a manufacturing method of aforesaid wavelength conversion module are also provided. The wavelength conversion module of the invention has good conversion efficiency and reliability. The projection device of the invention has good optical quality and reliability. The manufacturing method of the wavelength conversion module of the invention can form the wavelength conversion module with good conversion efficiency and reliability.

SUBSTRATE FOR DISPLAY DEVICE, METHOD FOR FABRICATING THE SAME, AND DISPLAY DEVICE INCLUDING THE SAME

A substrate for a display device, a method for fabricating the substrate, and a display device including the substrate. In one embodiment of the present invention, a substrate for a display device includes a base substrate, and a plurality of first optical patterns positioned inside the base substrate, wherein the plurality of first optical patterns are arranged to be spaced apart from each other at equal intervals along a first direction that is parallel to one surface of the base substrate. 1. A substrate for a display device , comprising:a base substrate; anda plurality of first optical patterns inside the base substrate,wherein the plurality of first optical patterns are spaced apart from each other at equal intervals along a first direction parallel to one surface of the base substrate.2. The substrate for a display device of claim 1 , wherein an interface between each of the plurality of first optical patterns and the base substrate comprises a concavo-convex shape.3. The substrate for a display device of claim 1 , wherein a refractive index of the plurality of first optical patterns is lower than a refractive index of the base substrate.4. The substrate for a display device of claim 3 , wherein the refractive index of each of the plurality of first optical patterns is increased from a center portion of each of the first optical patterns to an edge portion thereof.5. The substrate for a display device of claim 1 , wherein a transparency of the plurality of first optical patterns is lower than a transparency of the base substrate.6. The substrate for a display device of claim 5 , wherein the transparency of each of the plurality of first optical patterns is increased from a center portion of each of the first optical patterns to an edge portion thereof.7. The substrate for a display device of claim 1 , wherein the plurality of first optical patterns have a square shape.8. The substrate for a display device of claim 7 , wherein the plurality of first optical ...

RADIATION SYSTEM

A radiation system includes a beam splitting apparatus configured to split a main radiation beam into a plurality of branch radiation beams and a radiation alteration device arranged to receive an input radiation beam and output a modified radiation beam, wherein the radiation alteration device is configured to provide an output modified radiation beam which has an increased etendue, when compared to the received input radiation beam, wherein the radiation alteration device is arranged such that the input radiation beam which is received by the radiation alteration device is a main radiation beam and the radiation alteration device is configured to provide a modified main radiation beam to the beam splitting apparatus, or wherein the radiation alteration device is arranged such that the input radiation beam which is received by the radiation alteration device is a branch radiation beam output from the beam splitting apparatus. 183.-. (canceled)84. A radiation alteration device comprising:a first diffusing element comprising a first roughened reflective surface;a second diffusing element comprising a second roughened reflective surface; andone or more actuators configured to move the first and/or second diffusing elements so as to cause movement of the first and/or the second roughened reflective surfaces,wherein the first roughened reflective surface is configured to receive a radiation beam and reflect the radiation beam so as to be incident on the second roughened reflective surface, andwherein the second roughened reflective surface is arranged to reflect the radiation beam received from the first roughened reflective surface so as to form a modified radiation beam.85. The radiation alteration device of claim 84 , wherein one or more actuators are configured to rotate the first and/or second diffusing element so as to cause rotation of the first and/or the second roughened reflective surface.86. The radiation alteration device of claim 84 , wherein the one or ...

Display device

A display device includes a plurality of arrayed light output sections 21 covered with a laminated structure 30 ; the laminated structure 30 includes a plurality of laminated layers, a light output surface 30 A is flat, and plural recessed and projected sections 52 are formed on an interface of at least one layer (recessed and projected section forming layer 51 ) positioned in the laminated structure 30.