УСТРОЙСТВО ОСВЕЩЕНИЯ ДНЕВНЫМ СВЕТОМ

Изобретение относится к области светотехники, а именно к устройствам освещения дневным светом. Техническим результатом является повышение эффективности компенсации потерь от поглощения дневного света. Коллектор (3) дневного света собирает дневной свет (4), который проводится световодом (5) к месту, подлежащему освещению, вдоль оптического пути, при этом дневной свет поглощается световодом. Фотолюминесцентный материал (71, 72) расположен в пределах оптического пути и излучает фотолюминесцентный свет, который компенсирует поглощение дневного света световодом. 3 н. и 12 з.п. ф-лы, 8 ил.

МНОГОЦВЕТНЫЙ КОМБИНИРОВАННЫЙ ПРОЖЕКТОР-ФАРА

Изобретение относится к светотехнике, в частности к световым и светосигнальным приборам, и может использоваться на всех видах транспорта. В многоцветном комбинированном прожекторе-фаре, содержащем корпус с ребрами охлаждения и перекрывающий выходное отверстие прозрачный защитный элемент, средства токопровода с внутренним размещением пластин-держателей с лампами и диодными излучателями в виде ИК-диодов, белых и цветных светодиодов, часть которых помещена в фокусы плоских линз Френеля, изготовленных в шахматном порядке на прозрачной пластмассовой пластине, установленной около выходного отверстия прожектора-фары, на каждом участке прозрачной пластмассовой пластины между четырьмя плоскими линзами Френеля в ее середине и между двумя линзами Френеля на ее краях установлены дополнительные излучатели. Электрическое соединение и подключение дополнительных излучателей выполнено автономно и независимо от остальных типов излучателей. Технический результат - улучшение теплоотвода от светодиодов, возможность ...

Устройство для естественного освещения помещений

Устройство для естественного освещения помещений относится к области строительства. Задача, на решение которой направлена заявляемая полезная модель - невозможность использования данного устройства при малой освещенности или в отсутствие освещенности. Техническим результатом, обеспечиваемым приведенной совокупностью признаков, является возможность использования данного устройства при малой освещенности солнечным светом или в отсутствие освещенности. Это стало возможным, за счет дополнения устройства узлом фотоэлектрического преобразования, где он преобразует солнечную энергию в электрическую и накапливает в узле аккумулирования, при отсутствии или недостатке естественного солнечного света, передает накопленную энергию по электрическому кабелю к светодиодной лампе. 2 ил.

Radiant energy collecting apparatus

A radiant energy collecting apparatus (11)for collecting and concentrating solar energy having a primary parabolic reflector (16)which focuses the sun's rays on a focal line (18)and has a principle axis (17)passing through the focal line (18)and a secondary concentrating assembly (20)located adjacent the focal line (17)of the primary reflector (16). The secondary concentrating assembly (20)includes a pair of planar reflectors (26)arranged on opposite sides of the principle axis (17)of the primary reflector (16)and a series of secondary parabolic reflectors (28)between the planar reflectors (26), the secondary parabolic reflectors (28)having focal lines (29)which extend normal to the planar reflectors (26)and to the principle axis (17)of the primary reflector (16). The secondary reflectors (28)are mounted for rotation about their focal lines (29)and concentrate energy on targets (42)extending along their focal lines (29).

A LIGHT DISTRIBUTION SYSTEM

Radiant energy collecting apparatus

Radiant energy collecting apparatus

ELEMENT FOR AN ACCESSIBLE AND/OR PASSABLE RANGE

TOOTHED SHUTTERS

TRANSMISSION SYSTEM FOR DAYLIGHT

ROLLO ZUR ABDUNKELUNG VON FENSTERÖFFNUNGEN ODER DERGLEICHEN BAUWERKSÖFFNUNGEN

SONNENLICHTLENKVORRICHTUNG

SONNENSTRAHLENSAMMELANLAGE MIT EINEM AUFFANGHOHLSPIEGEL

BELEUCHTUNGSEINRICHTUNG ZUR AUSLEUCHTUNG EINES RAUMES MIT TAGESLICHT

Device for deflecting sun light

Eine Vorrichtung zum Umlenken von Sonnenlicht, insbesondere im Bereich einer schachtförmigen Gebäudestruktur, weist wenigstens ein transparentes, optisches Element (1) mit einer in Verwendungslage nach oben weisenden Lichteintrittsfläche auf. Das transparente, optische (1) Element hat wenigstens bereichsweise im Wesentlichen die Form einer Pyramide, eines Kegels, eines Pyramidenstumpfes oder eines Kegelstumpfes, wobei das optische Element (1) eine gegebenenfalls mehrteilige Mantelfläche (6), eine Grundfläche (3), eine Hauptachse (m), die von einer realen oder im Fall eines Kegel- oder Pyramidenstumpfes extrapolierten Spitze (5) des transparenten Elementes (1) zu einem Schwerpunkt (4) der Grundfläche (3) verläuft, und eine zur Grundfläche (3) normale Höhe (h) aufweist. Das transparente Element (1) weist eine im Wesentlichen der Mantelfläche (6) folgende Außenseite (7) auf, die eine Lichtaustrittsfläche bildet.

LICHTUMLENKSYSTEM

ARRANGEMENT FOR ILLUMINATING AREAS IN BUILDINGS

Lichtsammelpaneel

Die Erfindung betrifft ein Lichtsammelpaneel (3) umfassend einen Rahmen (8), in dem eine Anzahl von, insbesondere in einer Ebene, nebeneinander angeordneten Lichtsammelelementen (9) und eine der Anzahl an Lichtsammelelementen (9) entsprechenden Anzahl an Lichtleitern (4) angeordnet ist, wobei jedem Lichtsammelelement (9) ein Lichtleiter (4) zugeordnet ist und jeder Lichtleiter (4) jeweils in einem Haltelement (10) in einem Abstand (11) zu den Lichtsammelelementen (9) gehalten ist, wobei die Halteelemente (10) von einer Metallplatte (12) gehalten sind. Die Halteelemente (10) weisen auf der den Lichtsammelelementen (9) abgewandten Seite einen Aufnahmekanal (19) für den zugeordneten Lichtleiter (4) auf, wobei der Aufnahmekanal (19) durch eine Kombination aus einem Stumpfkegel (20) und einen Zylinder (21), der an den Stumpfkegel (20) anschließt, gebildet ist. Die Lichtleiter (4) sind ausschließlich im Bereich des Stumpfkegels (20) mit den Halteelementen (10) verklebt.

SUNLIGHT STEERING SYSTEM

SONNENLICHTLENKVORRICHTUNG

TO THE USE IN THE GLAZING APTITUDE OPTICAL ELEMENT

ROOM LIGHTING ARRANGEMENT

A WINDOWPANE FOR SUN PROTECTION, SPACE ILLUMINATING AND ENERGY CONSERVATION

PROCEDURE FOR THE PRODUCTION OF LIGHT HOPPERS

ARRANGEMENT OF LIGHT-RADIATING PLATTENFÖRMIGEN ELEMENTS

TUBULAR SKYLIGHT

ELEMENT FOR AN ACCESSIBLE AND/OR PASSABLE RANGE

ELEMENT FOR AN ACCESSIBLE AND/OR PASSABLE RANGE

ELEMENT FOR AN ACCESSIBLE AND/OR PASSABLE RANGE

ELEMENT FOR AN ACCESSIBLE AND/OR PASSABLE RANGE

ELEMENT FOR AN ACCESSIBLE AND/OR PASSABLE RANGE

ELEMENT FOR AN ACCESSIBLE AND/OR PASSABLE RANGE

ELEMENT FOR AN ACCESSIBLE AND/OR PASSABLE RANGE

ELEMENT FOR AN ACCESSIBLE AND/OR PASSABLE RANGE

ELEMENT FOR AN ACCESSIBLE AND/OR PASSABLE RANGE

ELEMENT FOR AN ACCESSIBLE AND/OR PASSABLE RANGE

ELEMENT FOR AN ACCESSIBLE AND/OR PASSABLE RANGE

ELEMENT FOR AN ACCESSIBLE AND/OR PASSABLE RANGE

Improvements in natural lighting

DAYLIGHT COLLECTORS WITH DIFFUSE AND DIRECT LIGHT COLLECTION

Lighting devices and methods for providing daylight to the interior of a structure are disclosed. Some embodiments disclosed herein provide a daylighting device including a tube having a sidewall with a reflective interior surface, a light collecting structure, and a light reflector positioned to reflect daylight into the light collector. In some embodiments, the light collector is associated with one or more light-turning and/or light reflecting structures configured to increase the amount of light captured by the daylighting device. Optical elements may allow for the absorption and/or selective transmission of infrared light away from an interior of the daylighting device.

Glazing panel

A FLYING OBJECT FOR COLLECTING SOLAR RAYS

PHOTORADIATOR

AN ILLUMINATION DEVICE

A solar control pigmented thermoplastic polymer sheet

Light distribution control device, blind, partition, curtain, tent and illuminator

Energy recovery apparatus

STRUCTURE AND IMPLEMENT FOR POSITIONING THE LIGHT- RECEIVING EDGE OF THE LIGHT CONDUCTOR ONTO THE FOCUS OF THE LENS

A SOLAR RAY COLLECTING DEVICE

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

LED TUBULAR SKYLIGHT

The invention provides an improved skylight of the tubular type.The addition of solar powered light emitting diodes to the interior of the tube provides twenty-four hour light capability. The solar panel on the exterior of a building is attached to a re-chargable battery in the building. The battery is attached to the light emitting diodes inside the light tube. The battery is charged at a higher rate lien the light emitting diodes draw from the battery. The result is a combination of constant light emitted from the pipe and independent from a conventional power grid.

BUILDING CONSTRUCTION PANEL

STRUCTURE AND IMPLEMENT FOR POSITIONING THE LIGHT- RECEIVING EDGE OF THE LIGHT CONDUCTOR ONTO THE FOCUS OF THE LENS

CONCENTRATED FISH BREEDING DEVICE

LIGHT SHELF FOR BUILDINGS

In an embodiment, a light shelf of the present invention includes at least one panel assembly for reflecting daylight into a space; and at least two structural elements for holding the panel assembly, wherein the structural elements include a spine component having a proximal end, a distal end, and a longitudinal axis therebetween; a first mounting component for installing on a structural member and for engaging the proximal end of the spine component; a second mounting component for engaging the distal end of the spine component; and a sleeve component having at least one indentation for holding a side of the panel assembly.

INDIRECT DAYLIGHTING DEVICE

An indirect daylighting device for a building with an interior space may include a suspension system configured for securing to a building structure and a pan secured to the suspension system and having an incident surface and a cross- sectional profile forming a plurality of waves, wherein the incident surface is arranged to receive natural light entering a building and reflect the natural light to provide indirect lighting to the interior space of the building.

LIGHT RADIATING DEVICE

A light radiating device has a transparent cylindrical tube one end of which is connected by a light conducting cable or the like to a natural or artificial light source. A plurality of transparent plates and/or reflective plates are arranged in the tube to be rotatable respectively about independent axes which commonly extend perpendicular to the axis of the tube. When used for plant culture, for example, the plates are sequentially moved to reflect incoming light so that a plant growing in a position adjacent to the device is always illuminated from an optimum direction and under an optimum distribution of light. The axes of rotation of the plates extend in different directions from each other so as to radiate light over the entire circumference of the tube.

LIGHTING SYSTEM COMBINING DAYLIGHT CONCENTRATORS AND AN ARTIFICIAL SOURCE

A combined lighting system for a building interior includes a stack of luminescent solar concentrators (LSC), an optical conduit made of preferably optical fibers for transmitting daylight from the LSC stack, a collimating lens set at an angle, a fixture for receiving the daylight at one end and for distributing the daylight as illumination inside the building, an artificial light source at the other end of the fixture for directing artifical light into the fixture for distribution as illuinination inside the building, an automatic dimmer/brightener for the artificial light source, and a daylight sensor positioned near to the LSC stack for controlling the automatic dimmer/brightener in response to the daylight sensed. The system also has a reflector positioned behind the artificial light source and a fan for exhausting heated air out of the fixture during summer and for forcing heated air into the fixture for passage into the building interior during winter.

OPTICAL COMPONENTS FOR DAYLIGHTING AND OTHER PURPOSES

An optical component (11) comprises two transparent flat bodies (12, 13) each having grooves (16) or other surface features on one of its faces (15) which interpenetrate when the two bodies (12, 13) are placed face-to-face. The shapes of the grooves (16) or other surfaces features are such that they touch in some places (20, 22, 23) and are spaced from one another in others (18, 19) to form voids (24) within the composite body (11) so formed. These cavities (24) assist in determining total internal reflection of incident light at certain angles. Composites bodies formed from two face-to-face optical components may be used as daylighting screens both to direct light towards an object such as the interior of a building (through an opening) or to screen light from it by diverting it away therefrom.

SPOTLIGHT DIFFUSING CONTROLLED AND PATTERNED ENERGY FLUX

L'invention se compose d'un module central (1) émetteur-récepteur et d'une couronne (2) formée d'une pluralité de têtes élémentaires de diffusion (3) en disposition concentrique et radiale autour du module central (1). Selon la variante de base, chaque tête (3) présente une surface translucide expansible parsemée de surfaces élémentaires réfléchissantes (34) et est reliée au module central (1) par une liaison articulée multidirectionnelle. Le module central est un corps creux (4) recouvert d'une couverture pyramidales semi- réfléchissante (9) renfermant un ensemble composite pyramidal intérieur réfléchissant. Ce corps creux (4) est délimité par une surface latérale formée d'une succession polygonale de parois réfléchissantes sur chacune des quelles est montée une liaison creuse articulée prolongée par une tête de diffusion (3). Cette invention intéresse toutes les industries et les fabricants de produits utilisant ou mettant en oeuvre la projection, la réflexion, la transmission ou la réception ...

A LIGHT TRANSFER COMPONENT

The present invention provides a light transfer component formed from a material that is transparent for light of a predetermined range of wavelengths. The light transfer component comprises a first substantially flat portion, a second rounded portion, and an intermediate portion disposed between the first and the second portion. The light transfer component is arranged for guiding light from the first portion through the intermediate portion to the second portion in a manner such that the light will not experience a reduction in cross-sectional area of more than 20 % of the material through which it is guided.

PANELS OF CONTROLLABLE RADIATION TRANSMISSIVITY

The invention provides a panel (2) of controllable radiation transmissivity, including a plurality of tubular cells (4), in at least some of which cells is rotatably mounted at least one radiation-blocking member (6), at least one portion of at least one surface of which is substantially opaque, and means (8) for rotating the radiation-blocking member (6) inside the tubular cells (4), wherein the radiation-blocking member (6), when rotated, is adapted, in at least one angular position, to substantially block the passage of radiation through the panel (2), and in a plurality of other, selectable, angular positions, to provide a plurality of differing radiation transmissivities.

DEVICE FOR POSITIONING A MEMBER FOR TRANSMITTING SOLAR ENERGY RELATIVE TO AN OPTICAL CONCENTRATOR

The present invention relates to a device (1) for positioning the intake (2) of a member (3) for transmitting solar energy relative to a convergent optical concentrator (4), characterised in that it comprises a mounting (11) provided with at least one reserve (12) suitable for receiving and supporting the optical concentrator (4) in a predetermined direction and allowing light to pass through said mounting (11), a receiver (13) suitable for receiving and supporting the intake (2) of the transmitting member (3), and at least one spacer element (14) in order to keep said receiver (13) spaced apart from the mounting (11) in a stationary position relative to said reserve (12), said stationary position being defined in accordance with the features of the transmitting member (3) and optical concentrator (4).

A SPECTRALLY SELECTIVE PANEL

The present disclosure provides a spectrally selective panel that is at least partially transmissive for radiation having a wavelength within the visible wavelengths range. The panel has a receiving surface for receiving incident radiation and comprises at least one reflective component that is arranged to reflect a portion of received incident radiation that penetrated through a depth portion of the panel to the reflective component. The at least one reflective component may comprise a series of reflective portions that are inclined relative to the receiving surface such that at least a portion of the reflected radiation is re-directed within and along the panel. Certain embodiments comprise means to redirect internally reflected light for illuminating a room or region.

ROLLED METAL PRODUCT USED AS A LIGHT-GUIDING STRUCTURE

The invention concerns a light-guiding metal structure in the form of a roll ed product which is provided with at least one structured surface by means of a rolling process. The structured surface is a rib pattern which extends in th e direction of rolling and has a tooth-shaped cross section. The tooth-shaped cross section forms a periodic structure in the form of a row of adjacent triangles, the bases of these triangles following one another. The one later al side of any triangle projects at an angle .alpha. from the base ab and the other lateral side projects at an angle .beta., and the base of each triangl e has a length l, .alpha. being an angle of between 5 and 60~, .beta. being an angle of between 10 and 90~, and the length l being between 0.01 mm and 10 m m.

DESIGN OF NONIMAGING OPTICAL CONCENTRATORS AND ILLUMINATORS

A nonimaging concentrator (50) of light. The concentrator has a shape defined by dR/dphi=Rtanalpha, where R is a radius vector from an origin to a point of reflection of a light edge ray (70) from a reflector surface (90) and phi is an angle between the R vector and an exit aperture (80) of the concentrator and coordinates (R, phi) represent a point on the reflector surface and alpha is an angle the light edge ray from an origin point makes with a normal to the reflector surface.

SKYLIGHT

Normalement, le puit de lumière n'est qu'une ouverture dans la toiture pour laisser passer la lumière et le soleil à travers l'attique, pour éclaircir les pièces obscures. En hiver de grosses quantités de chaleur se perdent par cette large ouverture. Dans mon invention je remplace la grande ouverture par un orifice de 20 cm.de diamétre , et la boîte du puit de lumière, par un tuyau de 20 cm. de diamètre ou moins, qui relie la toiture au plafond de la piéce à éclairer ,en passant par l'attique. Ce tuyau sera isolé bien sûr à son éxtérieur, et ses parois intérieures seront miroitantes. Ce même tuyau sera surmonté du côté de la toiture par une lentille convexe, d'un diamétre de 100cm. N. (1) contenu dans un cône en dessous de laquelle se trouve une autre lentille convexe de(+ou-) 15cm. de diamétreN. (3) , et au fond du tuyau c.à.d. le plafond de la pièce à éclairer se trouve un miroir légèrement convexe de ( + ou - ) 10 cm. de diamétre N. (4) qui est penché à45 degré et qui divergera les rayons ...

SOLAR LIGHTING APPARATUS

A solar lighting apparatus includes a transparent dome. The transparent dome is provided, at its ceiling center, with a control box accommodating a stepping motor, a controller for controlling the motor and a secondary battery. The stepping motor has a motor shaft coupled with a rotary shaft. On the rotary shaft is coupled a support frame member through a universal joint. The rotary shaft is driven by the motor to turn a reflection mirror held on the support frame member over a predetermined angl e while tracking the sun.

Einrichtung zum Erhellen schlechtbeleuchteter Arbeitsstellen in Räumen durch Zenitlicht.

Verfahren zur Verbesserung der Beleuchtungsverhältnisse in Räumen mit Tageslichteinfall und Einrichtung zur Durchführung dieses Verfahrens

LIGHTING CONTROLLER TO THE RECONCILIATION OF INSUFFICIENT DAYLIGHT.

Arrangement for illuminating a room with daylight by means of a reflecting ceiling

PANEL FOR BUILDING COMPONENT.

DEVICE FOR CATCHING SUNBEAMS.

Device for the automatic control of the beam of light into an area.

Light deflection arrangement has plane intersecting cylinder that runs practically tangential to upper base surface of cylinder, intersects lower base surface of cylinder

The arrangement has a collector (1) for sunlight with a transition device (3) and a light guiding device (2) that carries the light collected by the collector to a room that is to be illuminated and distributes it there. The collector forms a section of a casing or of the wall (20) of a hollow cylinder forming a base body. A plane (E) intersecting the cylinder runs practically tangentially to an upper base surface of the cylinder and this plane intersects the lower base surface of the cylinder.

Device for the lighting of areas.

Bei einer Vorrichtung zur Beleuchtung von Räumen mit einem reflektierende Innenwände (3) aufweisenden Lichtschacht (2) ist an dessen einem Ende eine Eintrittsöffnung (5) für Tageslicht vorhanden. Teilabschnitte (11, 12, 13) der Lichtschachtwände sind transparent oder transluzenz ausgebildet. Im Bereich dieser transparenten oder transluzenten Teilabschnitte (11, 12, 13) sind Lichtauslenkungsmodule (21, 22, 23) zur Auslenkung des Lichtes in verschiedene Richtungen angeordnet, wobei diese Lichtauslenkungsmodule (21, 22, 23) jeweils eine Anzahl von Lamellen umfassen, die zumindest teilweise eine reflektierende Oberfläche aufweisen. Damit kann die für die einzelnen Räume bestimmte Lichtmenge in einfacher Weise wie gewünscht reguliert werden.

Device for the illumination of a room.

Bei einer Vorrichtung zur Beleuchtung von Räumen, mit einem reflektierenden Innenwände (3) aufweisenden Lichtschacht ist an dessen einem Ende eine Eintrittsöffnung (5) für Tageslicht vorhanden. Teilabschnitte (11, 12, 13) der Lichtschachtwände sind transparent oder transluzent ausgebildet. Im Bereich dieser transparenten oder transluzenten Teilabschnitte (11, 12, 13) sind Lichtauslenkungsmodule (21, 22, 23) zur Auslenkung des Lichtes in verschiedene Richtungen angeordnet, wobei diese Lichtauslenkungsmodule (21, 22, 23) jeweils eine Anzahl von Lamellen umfassen, die zumindest teilweise eine reflektierende Oberfläche aufweisen. Damit kann die für die einzelnen Räume bestimmte Lichtmenge in einfacher Weise wie gewünscht reguliert werden.

Arrangement for illuminating areas in buildings.

LIGHT EMITTER.

PROCEDURE FOR THE LIGHT DISTRIBUTION IN A CLOSED AREA.

Light guidance elements fur daylight.

Device for illuminating a room in a building located below the level of the ground comprises a channel for guiding light to each of the walls of a room having an opening

Device for illuminating a room in a building (5) comprises a channel (10) for guiding light to each of the walls of a room having an opening (8). A first end (11) of the channel is arranged in the region of the ground level (4) and a second end (12) of the channel opens against the wall opening. The inner walls of the channel are structured so that light can be reflected. Preferred Features: The cross-section of the first end is rectangular so that the first end has two front walls (111, 113) and two side walls (112). All the walls of the first end are reflective.

Means for illuminating interior spaces.

Die Erfindung betrifft eine Einrichtung zum Ausleuchten von Innenräumen mit einer unter dem Erdniveau (3) liegenden Wandöffnung (4), wobei die Einrichtung ein die Wandöffnung umschliessendes Gehäuse (7) aufweist, in dem ein in die Wandöffnung mündender Lichtschacht (8) aus lichtleitenden bzw. lichtreflektierenden Bauelementen eingebaut ist. Die Einrichtung zeichnet sich dadurch aus, dass einzelne Bauelemente (17a, 17b) des Lichtschachtes mit einfachen Handgriffen entfernbar sind, wobei nach Entfernen derselben eine im Gehäuse (7) installierte Ausstiegsleiter (19) durch die Wandöffnung (4) des Innenraums (2) zugänglich ist. Das ermöglicht im Notfall eine schnelle Evakuierung aus dem unter dem Erdniveau befindlichen Innenraum über die Ausstiegsleiter und den Lichtschacht.

Mechanism for illuminating interiors.

Die Erfindung betrifft eine Einrichtung zum Ausleuchten von Innenräumen mit einer unter dem Erdniveau (3) liegenden Wandöffnung (4), wobei die Einrichtung ein die Wandöffnung umschliessendes Gehäuse (7) aufweist, in dem ein in die Wandöffnung mündender Lichtschacht (8) aus lichtleitenden bzw. lichtreflektierenden Bauelementen eingebaut ist. Die Einrichtung zeichnet sich dadurch aus, dass einzelne Bauelemente (17a, 17b) des Lichtschachtes mit einfachen Handgriffen entfernbar sind, wobei nach Entfernen derselben eine im Gehäuse (7) installierte Ausstiegsleiter (19) durch die Wandöffnung (4) des Innenraums (2) zugänglich ist. Das ermöglicht im Notfall eine schnelle Evakuierung aus dem unter dem Erdniveau befindlichen Innenraum über die Ausstiegsleiter und den Lichtschacht.

Solar collector for use in e.g. underground area, is designed such that plastic parabolic part with highly reflective surface makes corresponding energy concentration in focal point, where stand is provided to stabilize parabolic part

The collector is designed such that a plastic parabolic part (1) with a highly reflective surface makes corresponding energy concentration in a focal point. A radiation collector collects reflective radiation. Focal rays or the focal point are transportable to a distance with a tube consisting of mirror walls in interior. A light body (4) i.e. light diffuser, is provided for diffusing lights for different lighting effects. A heating body (5) i.e. energy absorber, is designed as a plate with a black mat lower side to absorb the focal rays. A stand is provided to stabilize the parabolic part.

Arrangement for illuminating of areas in buildings.

Die Anordnung zur Ausleuchtung von Räumen in Gebäuden umfasst eine Lichtführeinrichtung (10), welche so ausgeführt ist, dass sie Licht von der äusseren Endpartie (31) dieser Einrichtung, welche der Aussenseite des Gebäudes (1) zugeordnet ist, in das Innere des Gebäudes leiten kann. Die Lichtführeinrichtung (10) ist einem der Deckenbereiche (5) im Gebäude (1) zugeordnet.

Glare-days light blades

Die Erfindung betrifft Lichtlenklamellenpaare 7 und 8, 8 und 9 mit lichtreflektierenden Ober- und Unterseiten zwischen einem Aussenraum A und einem Innenraum I. Die Lichtlenklamellen bestehen mindestens aus Retroreflektoren 10–12, Lichteinlenkreflektoren 23–25 und Traversen 27–29 zwischen Retroreflektor 10–12 und Lichteinlenkreflektor 23–25. Die Unterseiten der Reflektoren 10–12 sind bei horizontaler Blickrichtung von innen in den Behang entblendet. Ein Lichtaustritt von Sekundärreflexionen zwischen den Lamellenpaaren nach innen über die Unterseiten von Retroreflektoren 10–12 ist im Wesentlichen verhindert. Mindestens die Unterseite der Lamellen ist konkav ausgeformt und auf die Unterseite der Retroreflektoren umgelenkte Lichtstrahlung wird entweder auf die Traverse 27–29 oder auf die Oberseite der unteren Lamelle umgelenkt.

УСТРОЙСТВО КОРРЕКТИРОВКИ ОСВЕЩЕНИЯ

Устройство для автоматической корректировки освещения в закрытом или полузакрытом пространстве, содержащее осветительный прибор, светодиоды и по меньшей мере один прозрачный стеклянный лист, в котором средства корректировки света, испускаемого осветительным прибором, управляются в соответствии с количеством и/или качеством света, освещающего пространство. Указанное устройство применяют в конструкции осветительных панелей, люков автомобилей, стеклянных панелей крыш теплиц и осветительных зеркал.

УСТРОЙСТВО ДЛЯ ПЕРЕРАСПРЕДЕЛЕНИЯ СВЕТОВОГО ПОТОКА

Изобретение относится к устройству для перераспределения светового потока для ввода солнечного света вглубь здания, со множеством поворотных светоотражающих поверхностей, которые регулируются с помощью управляющего устройства в зависимости от высоты солнца. В соответствии с изобретением светоотражающие поворотные поверхности устройства для перераспределения светового потока выполнены из расположенных рядом друг с другом, вращающихся вокруг, в основном параллельных поворотных осей поворотных пластин, установленных на одном держателе пластин, выполненном с возможностью вращения вокруг поворотной оси, в основном перпендикулярной оси вращения.

Солнцезащитная светопрозрачная панель

Изобретение относится к области строительства и может быть использовано в конструкциях зданий в районах с высокой солнечной активностью или контрастным климатом, а также в районах с повышенными требованиями к экологии внутреннего пространства. Задачей изобретения является упрощение конструкции при повышении эксплуатационных характеристик. Поставленная задача решается тем, что солнцезащитная светопрозрачная панель, содержащая установленные в опорной раме со светопрозрачным полотном солнцезащитные элементы, связанные с системой управления светозащитой, при этом солнцезащитные элементы выполнены в виде эластичных цилиндрических оболочек, а система управления светозащитой выполнена в виде воздуховодов, сообщающихся с солнцезащитными элементами через регулирующие клапаны с устройством наддува. Солнцезащитные элементы выполнены с возможностью изменения объема и покрыты теплозащитным составом. 1 н.п. ф., 1 з.п. ф., 13 фиг.

Система освещения

Система освещения, включающая светоприемник и расположенный под ним перископ с примыкающими к нему световодами, содержащими осветители и зеркала,отличающаяся тем, что перископ содержит поворотные зеркала, расположенные в фокусе вогнутых поверхностей, покрытых слоем люминофора, укрепленные с возможностью подачи части светового потока солнечных лучей на указанные поверхности, а также с возможностью передачи излучения от указанных поверхностей в световоды после осуществления поворота.

Underground intelligent light guide ventilation pipeline system

A sunlight holographic non-tracking focused lighting system

Illumination and illuminator with light as conduction

Flat natural light channels into system

Ресурсосберегающий гибридный светильник

Полезная модель относится к осветительным устройствам, интегрирующим естественный и искусственный свет в единой конструкции, и может быть использована для общего совмещенного освещения помещения. Светильник содержит два оптических каскада: верхний и нижний. Верхний оптический каскад выполнен в виде полого трубчатого световода и размещен внутри бордюра, сверху которого установлен флешинг. Внутри бордюра ниже флешинга закреплена кольцеобразная монтажная панель, а над монтажной панелью в бордюре выполнены лючки. Световод верхнего оптического каскада герметично установлен в центральном отверстии монтажной панели, выступая концом за нижнюю ее плоскость, и закреплен сверху на указанной панели с помощью монтажного цилиндра и ребер жесткости. Нижний оптический каскад содержит полый цилиндрический световод, жестко закрепленный снизу с помощью второго монтажного цилиндра на монтажной панели, и светодиодные модули. Светодиодные модули герметично закреплены в отверстиях, выполненных на кольцеобразной монтажной панели, и направлены своей излучающей поверхностью внутрь нижнего полого световода. Светодиодные модули соединены с блоком питания, который связан с датчиком освещенности. Гибридный светильник имеет высокий КПД передачи светового потока, надежен и прост в обслуживании и ремонте. 1 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 180 084 U1 (51) МПК F21S 11/00 (2006.01) F21V 8/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (52) СПК F21S 11/00 (2006.01) (21)(22) Заявка: 2018103794, 31.01.2018 (24) Дата начала отсчета срока действия патента: Дата регистрации: Приоритет(ы): (22) Дата подачи заявки: 31.01.2018 (56) Список документов, цитированных в отчете о поиске: RU 170978 А1, 17.05.2017. WO (45) Опубликовано: 04.06.2018 Бюл. № 16 1 8 0 0 8 4 R U 2012166301 A1, 06.12.2012. US 2011044041 A1, 24.02.2011. RU 2483242 C2, 27.05.2013. RU 123496 U1, 27.12.2012. (54) РЕСУРСОСБЕРЕГАЮЩИЙ ГИБРИДНЫЙ СВЕТИЛЬНИК (57) Реферат: Полезная ...

Solar lighting apparatus with hybrid solar light diffuser having diffusion-refraction and diffusion-reflection functions

A solar lighting apparatus uses optical fibers to transmit solar light for illumination. The apparatus includes a support frame, optical fibers, a hybrid solar light diffuser and a reflective sheet. The optical fibers are fastened to the support frame and are spaced apart from each other at regular intervals. The hybrid solar light diffuser is coupled to a lower portion of the support frame and includes a diffusion plate and diffusion lenses which are provided on the diffusion plate at positions corresponding to the respective optical fibers. Each diffusion lens has a width increasing from a top thereof to a bottom. An incident depression is formed in the upper end of each diffusion lens. A reflective surface is formed on the circumferential outer surface of each diffusion lens to diffuse and reflect solar light. The reflective sheet is applied to the lower surface of the support frame.

Optical Trapping For Fiber Illumination

A light collection and light guidance system including: a flat collecting sheet having a first roughened light receiving front surface; and a plurality of optical fibers attached to at least one edge of the flat collecting sheet, wherein the first roughened light receiving front surface of the sheet has a plurality of resonance coupling periodicities, a plurality of correlation lengths, or a combination thereof. Also disclosed is a method of light collection and light guidance using the aforementioned system, or a system including a flat collecting sheet and a solar converter, as defined herein.

Sunlight collection structure, multi light collection method, and sunlight transmission device

The present invention relates to a method for collecting sunlight through an image method by tracking the sun using a dish-shaped light collector or a paraboloidal light collector and, and to a method and an apparatus for transmitting high-density light as the collected sunlight to a remote place, to which the light is applied, and for generating super-high-density light by combining, in a multi-stage manner, the high-density light obtained through a plurality of light collectors. A first concave-paraboloidal reflector of a paraboloidal light collection unit can collect light, transmit the collected light to the remote place, and provide an efficient and quantitative use environment to an applied device by using a paraboloidal reflector set including: a first concave-paraboloidal mirror in which a slope of a paraboloide is provided to make a narrow width so that downward reflection is greater than or equal to 90% by an angle between an incident angle at an inner point of a paraboloidal mirror and a normal surface, the angle being larger than a critical angle, and which has an opening formed at the lower side of a central axis thereof; and a second convex-paraboloidal reflector, which has a small diameter, shares a focus of the first concave-paraboloidal mirror, and has a miniaturized shape of the first concave-paraboloidal mirror at a focal portion without an opening at a central axis thereof.

Passive louver-based daylighting system

A daylighting system for use in a building including a louver array having a first longitudinal element, and a second longitudinal element spaced therefrom. At least one of the first and second elements has an asymmetrical profile, each of the first and second longitudinal elements has a bottom profile including a parabolic surface, portions of opposing surfaces of the first and second longitudinal elements define a compound parabolic concentrator profile having a non-horizontal centerline that is tilted upwards, and the array prevents line of sight therethrough. A louver for a daylighting system includes (i) a leading edge defined by a leading connecting surface disposal between a parabolic concentrator surface and a flat surface; and (ii) a trailing edge defined by a trailing connecting surface disposed between a lower compound parabolic concentrator profile, and an upper compound parabolic concentrator profile. A method for designing a louver profile is provided.

Lighting device

A lighting device includes a substantially cylindrical tube defining an interior and an exterior, and a longitudinal axis extending between a first end and a second end. The first end of the tube defines a substantially cylindrical opening disposed in a plane at a first angle that is substantially perpendicular to the longitudinal axis, and the second end of the tube defines a substantially elliptical opening disposed in a plane at a second angle that is substantially non-perpendicular to the longitudinal axis. A reflective surface is provided on the interior of the tube, and a substantially cylindrical flashing is provided about the exterior of the tube. A substantially transparent dome is coupled to the tube proximate the first end, and a diffuser is coupled to the tube proximate the second end.

Multi-mode lighting apparatus

A multi-mode lighting system includes a collector unit and a lighting module. A plurality of fiber optic filaments extend from the collector to the lighting module to transmit radiation from first ends of the fiber optic filaments to second ends of the fiber optic elements. The first ends of the fiber optic filaments are disposed in the collector unit to receive radiation and second ends are disposed in the lighting module to emit radiation received by the first ends of the fiber optic filaments. At least a first portion of the radiation transmitted by the fiber optic filaments illuminates an area external to the lighting module and at least a second portion of the radiation impinges the photovoltaic element to generate electricity.

Illumination system for anechoic chamber

An illumination system for illumining an anechoic chamber includes a light gathering device mounted on an outer surface of the anechoic chamber for gathering daylight, a light guiding post mounted to the anechoic chamber, and a diffusion device received in the anechoic chamber. The light guiding post is connected between the light gathering device and the diffusion device. The light guiding post includes two shields mounted in the light guiding post, which are respectively adjacent to the light gathering device and the diffusion device, to protect the anechoic chamber from electrostatic or magnetic interference.

Dual-Stage Sunlight Redirection System

A system providing consistent and intense sunlight to light-guiding structures for redirecting sunlight to the interior of a building is presented. One aspect of the inventive subject matter includes an illumination system comprising a solar redirector and at least one optical converter. The solar redirector can be configured to extend outward from a wall of a building and to redirect sunlight to exterior sections of the wall below the solar redirector. The optical converter can be configured to mount on at least one of the exterior sections of the wall and to receive the redirected sunlight and distribute the redirected sunlight to an interior of the building. 1. An illumination system for an atrium of a structure , comprising:a first solar redirector configured to extend outward from a first wall of the structure toward the atrium and to redirect sunlight through an open space of the atrium at a first angle to at least one section of a second wall of the structure below the solar redirector; anda first optical converter configured to mount on at least a portion of the at least one section of the second wall of the structure below the solar redirector, and to receive the redirected sunlight and distribute the redirected sunlight at a second angle different from the first angle to an interior of the structure.2. The system of claim 1 , wherein the first wall comprises the second wall.3. The system of claim 1 , wherein the first wall comprises a roof.4. The system of claim 3 , wherein the roof comprises a material that allows light to transmit.5. The system of claim 1 , wherein at least one of the first and second walls comprises a window.6. The system of claim 5 , wherein the at least one of the first and second walls comprises a roof window.7. The system of claim 1 , wherein the first optical converter is further configured to guide the redirected sunlight into a light guiding structure of the structure.8. The system of claim 1 , wherein the first solar redirector ...

MODULATING PASSIVE OPTICAL LIGHTING

A modulated passive optical lighting device includes a passive element, such as a window, a sun-room roof, or a skylight. The device also has an optical modulator associated with or incorporated in the device, to modulate light supplied to an interior space to carry data. 1. A system , comprising: a passive optical element, that is at least substantially transmissive with respect to daylight, configured to receive daylight from outside a structure and allow passage of light to an interior of the structure; and', 'an optical modulator associated with the passive optical element to modulate light passively supplied through the optical element for modulated emission into the interior of the structure; and, 'a passive lighting device, includinglogic/processor circuitry coupled to control the modulator to modulate data on the light emitted from the passive lighting device into the interior of the structure in a manner to minimize or prevent perception of the data modulation by an occupant in the interior of the structure.2. The system of claim 1 , wherein the passive optical element comprises a window claim 1 , a sun-room roof claim 1 , or a skylight.3. The system of claim 1 , wherein the logic/processor circuitry is configured to control the modulator to modulate claim 1 , on the light claim 1 , data selected from the group consisting of: a lighting device identification (ID) code assigned to the passive lighting device claim 1 , information about a location of the passive lighting device and broadband user data.4. The system of claim 1 , wherein the optical modulator is configured to modulate light wavelengths in a range encompassing at least a substantial portion of the visible light spectrum.5. The system of claim 1 , wherein the optical modulator is configured to:implement a modulation technique selected from the group consisting of: amplitude modulation, optical intensity modulation, amplitude-shift keying, frequency modulation, multi-tone modulation, frequency ...

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 ...

Collimating And Concentrating Light Into An Optical Fiber

The present disclosure provides an optical design configured to achieve an increased concentration and improved coupling of light to an optical fiber for a passive lighting system. Light may be passed through a collector lens followed by collimation and concentration to yield improved coupling of light to an optical fiber. Additionally, the optical design reduces the total number of optical fibers required to achieve effective illumination.

HYBRID LIGHT REDIRECTING AND LIGHT DIFFUSING CONSTRUCTIONS

Solar light redirecting glazing units include light redirecting and light diffusing constructions. The solar light redirecting glazing units may include a glazing substrate, a visible light diffusing layer, and a light redirecting layer oriented such that incoming solar light contacts the visible light diffusing layer before contacting the light redirecting layer. The solar light redirecting glazing units may include a glazing substrate, a patterned visible light diffusing layer, and a light redirecting layer. The solar light redirecting glazing units may include two glazing substrates separated by an intervening space with a solar light redirecting layer disposed on one glazing substrate, and a visible light diffusing layer disposed on the other glazing substrate. 1. A solar light redirecting glazing unit , comprising:a first glazing substrate;a visible light diffusing layer disposed on the first glazing substrate; anda light redirecting layer adjacent to the visible light diffusing layer, the light redirecting layer comprising a major surface forming a plurality of prism structures, and wherein the visible light diffusing layer and light redirecting layer are oriented such that incoming solar light contacts the visible light diffusing layer before contacting the light redirecting layer.2. The solar light redirecting glazing unit of claim 1 , wherein the visible light diffusing layer comprises a visible light diffusing film or a visible light diffusing glazing substrate.3. The solar light redirecting glazing unit of claim 1 , wherein the visible light diffusing layer and the light redirecting layer are attached to each other to form a solar light redirecting construction.4. The solar light redirecting glazing unit of claim 3 , wherein the visible light diffusing layer and the light redirecting layer comprise polymeric films.5. The solar light redirecting glazing unit of claim 3 , wherein the first glazing substrate has a surface area value and the solar light ...

Light redirection device

The present invention relates to a light redirection device ( 1 ) for redirecting and concentrating direct sunlight ( 31 ) into buildings, said device comprising at least one transparent element ( 10 ) having a substantially planar top surface ( 10 ) in an x-y-plane and a substantially planar bottom surface ( 14 ), wherein said top ( 11 ) and bottom ( 14 ) surfaces are arranged in an angle α to each other around the x-axis, and a light reflector ( 20 ) for each transparent element ( 10 ) having a planar surface, wherein said planar surface of said light reflector ( 20 ) is arranged substantially parallel and adjacent said bottom surface ( 14 ) of said transparent element ( 10 ), wherein said reflective surface is spaced apart ( 12 ) from said transparent element by a transparent medium having lower refractive index than the transparent element ( 10 ), so that incident light ( 31 ) to the device is refracted by each material transition interface and reflected by the reflecting element ( 20 ). The invention further relates to a method for redirecting and concentrating direct sunlight ( 31 ) into buildings, using a device ( 1 ) according to any of the preceding claims, the method comprising the step of: arranging said device ( 1 ) substantially perpendicular to the direct sunlight ( 31 ) at noon, having one of its edges adjacent a building wall or window ( 40 ).

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 ...

Skylight dimmer

A dimmer mechanism is movable by a motor that is powered by solar-charged supercapacitors between a first configuration, in which the dimmer mechanism blocks little of the interior of a skylight tube to maximize light throughput into a room, and a second configuration, in which the dimmer mechanism blocks more of the interior of a skylight tube to reduce light throughput into the room.

LIGHTING DEVICE

A lighting device includes a lighting film including a prism layer that emits incident light in a prescribed direction, and a rigid body that includes a receiving unit having a prescribed cross-sectional rigidity and supporting the lighting film, and a retaining unit that fixes the lighting film to the receiving unit. 1. A lighting device comprising:a lighting film including a prism layer configured to emit incident light in a prescribed direction; anda rigid body includinga receiving unit having a prescribed cross-sectional rigidity and configured to support the lighting film, anda retaining unit configured to fix the lighting film to the receiving unit.2. The lighting device according to claim 1 ,wherein the lighting film can be removed by releasing fixing of the lighting film by the retaining unit and the receiving unit.3. The lighting device according to claim 1 ,wherein the receiving unit and the retaining unit are fixed by a fixing tool including a protruding portion configured to pass through a hole provided in the receiving unit and a hole provided in the retaining unit.4. The lighting device according to claim 1 ,wherein the receiving unit includes a retaining portion configured to press the retaining unit toward the lighting film and press the lighting film and the retaining unit.5. The lighting device according to claim 1 ,wherein the retaining unit includes a protruding portion, and the protruding portion passes through a hole provided in the receiving unit.6. The lighting device according to claim 1 ,wherein the receiving unit includes a protruding portion, and the protruding portion passes through a hole provided in the retaining unit.7. The lighting device according to claim 1 ,wherein the receiving unit is a magnetic material, and the retaining unit is a magnet.8. The lighting device according to claim 3 ,wherein the protruding portion is provided with a spacer between the retaining unit and the receiving unit.9. The lighting device according to ...

METHOD AND APPARATUS OF LIGHT CONTROL USING MICROLENS ARRAYS

The disclosure presents methods and apparatus of light transmission control, comprising two layers of film separated by air, wherein each film is inlaid with a convex micro-lenses array. The first film will focus incoming light through the microlens, whereas the second film contains a grid of opaque areas that will be structured to block or un-block the focal planes of light depending on the thickness of the air layer. When the light is unblocked, the micro lens array in the second film will disperse the light to the other side of the film so it appears transparent or translucent. An attached hand pump can control the thickness of the air layer. The method and apparatus to control light levels is effective, reliable, affordable, intuitive and easy to use. The films can be attached to existing surfaces provide full transparency, a dimming effect, or complete blackout. 1. A method of adding light transmission control to a light transmissive surface , comprising:providing a first layer of film on the surface;providing a second layer of film, wherein the first layer is sandwiched between the second layer and the surface;enclosing a layer of air between the first and second layers of film;wherein each layer of film is inlaid with a transparent micro-lens array;wherein every micro-lens in the first layer of film is center-aligned with a micro-lens in the second layer of film and vice versa;adjusting the thickness of the air layer to control the light transmission.2. The method of claim 1 , wherein the film is made of non-opaque material.3. The method of claim 1 , wherein the thickness of the air layer is adjusted by inflating or deflating using a pump or valve.4. The method of claim 1 , wherein the lens is a circular or cylindrical lens.5. The method of claim 2 , wherein the refractive index of the lens is higher than that of the film.6. The method of claim 5 , wherein the micro-lens is a convex lens with its focal plane tangent to the film surface facing the air layer.7. ...

PIXEL MIRROR-TYPE REFLECTION MIRROR FOR NATURAL LIGHTING DEVICE

A pixel mirror-type reflection mirror for a natural lighting device is provided. A pixel mirror-type reflection mirror for a natural lighting device according to an embodiment of the present invention is installed on a natural lighting device to reflect introduced light to an irradiation area, and comprises: a support plate having a predetermined area; a plurality of reflection units provided as plate-shaped planar mirrors having a predetermined area and arranged on a surface of the support plate to be adjacent to each other, and at least one fastening member for fixing the plurality of reflection units to one side of the support plate, respectively, wherein the initial setting angle of the plurality of refection units is individually adjusted through the fastening member, and the plurality of reflection units expand and transfer sunlight areas using diffusion characteristics of sunlight. 1. A pixel mirror-type reflection mirror for a natural lighting device , the reflection mirror being installed in a natural lighting device to reflect incident light toward an irradiation area and comprising:a support plate having a predetermined area;a plurality of reflection units disposed as a plate-shaped planar mirror having a predetermined area and disposed on one surface of the support plate so as to be adjacent to each other;at least one fastening member configured to respectively fix the plurality of reflection units on one side of the support plate,wherein initial setting angles of the plurality of reflection units are individually adjusted through the fastening member, andthe plurality of reflection units expand and transfer sunlight areas by using diffusion characteristics of sunlight.2. The reflection mirror of claim 1 , wherein when each of the reflection units has a size about 10 cm·10 cm claim 1 , a sunlight area expanded to about 56 times the reflection area of each reflection unit is obtained.3. The reflection mirror of claim 2 , wherein the sunlight area expanded ...

ILLUMINATING FOOT AND HAND HOLDS

The given invention relates to illuminating climb system enabling at least one user to climb at least one entity, wherein the illuminating climb system further enable in providing support system to the at least one user in climbing up the entity. This illuminating climb system provide a safety sheath to at least one use by avoiding accidents due to non visibility of the climbing path. 1. An illuminating climb system coupled to at least one entity comprises:a) a support unit extending upright, wherein a first end of the support unit is coupled to a first position of the at least one entity and a second end of the support unit is coupled to a second position of the at least one entity, wherein the support unit further enable providing a plurality of foot peg;b) a light unit coupled to the support unit, wherein the light unit enable illuminating the path for plurality of foot peg; andc) a sensor unit; wherein the sensor unit enable indicating a state of at least one user.2. The illuminating climb system in ; wherein the illuminating climb system is removably coupled to at least one entity.3. The illuminating climb system in ; wherein the illuminating climb system is integrally coupled to at least one entity.4. The illuminating climb system in ; wherein the support unit coupled to plurality of foot peg is enabled with a phosphorescent coating that further enables to absorb energy of the sun in the daylight and glow in dark.5. The climb system in ; wherein the light unit coupled to the support unit incorporates LED lighting capable of displaying a variety of colours claim 1 , emitting light in a timed pattern such as a strobe or SOS sequence.6. The illuminating climb system in ; wherein the illuminating climb system is further coupled to a power control unit; wherein the power control unit is rechargeable via a solar panel enable providing the power source to the light unit coupled to the support unit.7. The illuminating climb system in ; wherein the power control unit ...

APPARATUS AND METHOD FOR COLLECTING AND DISTRIBUTING RADIATION

A system and method for collecting and distributing generated and/or solar radiation. A pulsed distribution subsystem combining a generated radiation source with a solar radiation collector is provided. Radiation from the pulsed distribution subsystem is provided to one or more discrete distribution systems; the discrete distributions systems transmit and distribute radiation, such as visible light, to one or more end use points in a facility. 1. A solar radiation collection and distribution system comprising: a generated radiation source;', 'a collector for collecting solar radiation;', 'a concentrator lens for concentrating the generated radiation and/or the collected radiation into a central radiation beam directed onto a rotatable reflective surface for reflecting said central radiation beam from said reflective surface;', 'a motor for rotating said reflecting surface to direct said central radiation beam through 360 degrees toward a plurality of input targets for collecting radiations of said central radiation beam, wherein said input targets are comprised of a plurality of fiber optic cables or optical tubings for transferring the radiations of said central radiation beam to at least one discrete distribution system; and', 'a photo sensor for measuring the intensity of said central radiation beam reflected from said reflective surface., 'a pulsed distribution system comprising2. The system of wherein said at least one discrete distribution system comprises:an input fiber optic cable transferring radiation into the discrete distribution system;a first primary lens, disposed adjacent to said cable, focusing the incoming radiation from said input fiber optic cable to a first mirror;said first mirror disposed adjacent to said first primary lens and operable to reflect a portion of the radiation to a first secondary lens positioned obliquely or perpendicularly to said first primary lens, wherein said first secondary lens focuses said portion of radiation to a ...

DAYLIGHT COLLECTION SYSTEMS AND METHODS

Lighting devices and methods for illuminating the interior of a building with natural daylight are disclosed. In some embodiments, a daylighting apparatus includes a tube having a sidewall with a reflective interior surface, an at least partially transparent light collector with one or more light turning elements, and a light reflector positioned to reflect daylight into the light collector. The one or more light turning elements can turn direct and indirect daylight into the tube so that it is available to illuminate the building. In some embodiments, the tube is disposed between the light collector and a diffuser positioned inside a target area of a building. In certain embodiments, the tube is configured to direct at least a portion of the daylight transmitted through the light collector towards the diffuser. 1. (canceled)2. A daylighting apparatus configured to direct natural daylight into an interior of a building , the apparatus comprising:an at least partially transparent light-collecting assembly comprising a sidewall portion and a collector base aperture;a light turning assembly comprising at least one prismatic element, the at least one prismatic element positioned and configured to turn light transmitted through the at least partially transparent light-collecting assembly towards the collector base aperture; anda reflector positioned and configured to reflect daylight towards the sidewall portion, wherein the reflector is positioned outside the light-collecting assembly;wherein the daylighting apparatus is configured to provide daylight to the interior of the building when the daylighting apparatus is installed on a roof of the building.3. The daylighting apparatus of claim 2 , wherein the reflector comprises one or more optical elements configured to alter an angle of reflection of at least a portion of light that strikes the reflector.4. The daylighting apparatus of claim 3 , wherein the one or more optical elements comprise a prismatic element.5. The ...

Sunlight-based sun imitating illumination

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

WINDOW GLASS

A window glass includes an incident surface, an emergent surface opposite to the incident surface, a bottom surface, and a top surface opposite to the bottom surface. The incident surface and the emergent surface are interconnected between the top surface and the bottom surface. A plurality of sawteeth is defined on the emergent surface. Each sawtooth includes a first surface adjacent to the top surface and a second surface adjacent to the bottom surface. In each sawtooth, an angle between the first surface and the incident surface is over 90 degrees. The second surface and the incident surface cooperatively define an acute angle. The acute angle increases from the top surface down to the bottom surface and causes the redirection of early morning sunlight up to a ceiling of a room or building containing the window glass. 1. A window glass comprising:a top surface;a bottom surface opposite to the top surface;an incident surface interconnected between the top surface and the bottom surface; andan emergent surface interconnected between the top surface and the bottom surface and opposite to the incident surface, the emergent surface defining a plurality of sawteeth, each sawtooth comprising a first surface and a second surface intersected with the first surface, an angle between the first surface of each sawtooth and the incident surface exceeding 90 degrees, the second surface and the incident surface defining an acute angle, the acute angle increasing gradually from the top surface to the bottom surface, and an area of the first surface of each sawteeth increasing gradually from the top surface to the bottom surface, wherein in each sawtooth, a distance between the first surface and the top surface is less than a distance between the second surface and the top surface.2. The window glass of claim 1 , wherein a second surface interconnects between two adjacent first surfaces.3. The window glass of claim 1 , wherein the incident surface is substantially a flat plane.4. ...

High Efficiency Daylighting Structure

A high efficiency daylight directing structure for application on fenestration deploys closely spaced macroscopic bars of transparent resin to eliminate different forms of glare. The spaced apart surfaces provide for efficient reflection of selective incident light, by TIR or metallic surfaces, via the ultra-smooth native surfaces from a mold or casting process. A close spacing is readily obtained in various attachment methods to boost efficiency. The fabrication method allows selective deposition of absorbing layers, such as by of painting/printing between alternating native optical surface to provide one way transparency at high angles of incidence. The bars are supported on at least one common planar surface by transparent support member with an optical quality adhesive material filling any imperfection in the bars common planar surface that form in fabrication.

Multi-mode lighting apparatus

A multi-mode lighting system includes a collector unit having a base including a cavity and a transparent or translucent cover mounted on the base. The system further includes a lighting module having a base, a transparent or translucent cover and a photovoltaic element mounted therein. A plurality of fiber optic filaments extend from the collector to the lighting module to transmit radiation from first ends of the fiber optic filaments to second ends of the fiber optic elements. The first ends of the fiber optic filaments are disposed in an array in the collector unit to receive radiation and second ends are disposed in an array in the lighting module to emit radiation received by the first ends of the fiber optic filaments. Radiation transmitted by the fiber optic filaments illuminates an area external to the lighting module and impinges the photovoltaic element to generate electricity.

SOLAR ILLUMINATON DISTRIBUTION SYSTEM

The solar illumination distribution system () uses a series of parabolic reflectors () and other optical components to direct and distribute solar radiation onto a desired surface (G), such as for illuminating a stadium or arena as well as providing light for the growth of natural turf in desired locations within the stadium or arena. A primary parabolic reflector () and a secondary parabolic reflector () focus solar radiation onto one end of a fiber optic bundle (), which transmits the solar radiation to a desired location. At the desired location, the light transmitted through the fiber optic bundle () is distributed through a plurality of fiber optic cables () to a plurality of tertiary parabolic reflectors () to illuminate the desired surface (G). 1. A solar illumination distribution system , comprising:a primary parabolic reflector having a central aperture formed therethrough;a secondary parabolic reflector aligned with a focal point of said primary parabolic reflector, whereby solar radiation is reflected from said primary parabolic reflector to said secondary parabolic reflector, said secondary parabolic reflector reflecting the solar radiation towards the central aperture formed through said primary parabolic reflector;a hollow pipe having an upper open end and a lower closed end, the upper open end thereof being received by the central aperture formed through said primary parabolic reflector, the lower closed end having an opening formed therethrough;a fiber optic bundle having opposed first and second ends, the first end thereof being received by the opening formed through the lower closed end of said hollow pipe;a first focusing lens mounted in said hollow pipe for focusing the solar radiation reflected by said secondary parabolic reflector on the first end of said fiber optic bundle;a light distribution housing having an upper opening and a plurality of lower openings formed therethrough, the second end of said fiber optic bundle being received through ...

OPTICAL ARTICLE FOR DIRECTING AND DISTRIBUTING LIGHT

An optical article for directing and distributing light including an optically transmissive light diffusing sheet and a reflective grid disposed in energy exchange relationship with the diffusing sheet. The reflective grid includes one or more parallel arrays of reflective surfaces configured to partially transmit and partially redirect a parallel beam of light into one or more directions that are not coincident with the original propagation direction of the incident light beam. 1. An optical article for directing and distributing light , comprising:an optically transmissive light diffusing sheet; anda reflective grid disposed in energy exchange relationship with said diffusing sheet;wherein said reflective grid comprises a plurality of reflective surfaces extending generally perpendicular to a prevailing plane of said grid and is configured to partially transmit and partially redirect a parallel beam of light into one or more directions that are not coincident with the original propagation direction of said beam.2. An optical article as recited in claim 1 , wherein a dihedral angle that each of said reflective surfaces forms with said plane is greater or equal to 80 degrees and less than 90 degrees.3. An optical article as recited in claim 1 , wherein a dihedral angle that each of said reflective surfaces forms with said plane is variable.4. An optical article as recited in claim 1 , wherein said light diffusing sheet has a planar shape.5. An optical article as recited in claim 1 , wherein said light diffusing sheet has a curved shape.6. An optical article as recited in claim 1 , wherein said light diffusing sheet is a part of a skylight.7. An optical article as recited in claim 1 , wherein at least one of said reflective surfaces has a generally planar surface.8. An optical article as recited in claim 1 , wherein at least one of said reflective surfaces has a curved surface.9. An optical article as recited in claim 1 , wherein at least one of said reflective ...

Illuminated light duct joint

The present disclosure provides a novel construction for an illuminated light splitter in a mirror-lined light duct. In particular, the present disclosure addresses the ability to split partially collimated light travelling through a light duct into two different light ducts using light diverters, while extracting a portion of the light from each of the light ducts and also from the common intersection region. In some cases, the visual appearance of the illumination in the intersection region can appear non-uniform due to the presence of the light diverters, and the present disclosure provides an illuminated light duct splitter ( 100, 200, 300 ) configuration that homogenizes the output from the illuminated duct within the intersection region ( 117, 217, 317 ).

SUN-FACING LIGHT REDIRECTING FILMS WITH REDUCED GLARE

The present disclosure relates generally to light management constructions comprising microstructured prismatic elements useful in the preparation of sun-facing light redirecting films having reduced glare. 1. A light management construction comprising:an optical substrate having a first major surface and a second major surface opposite the first major surface;wherein a reference plane is defined as being parallel to, and in between, the first and second major surfaces of the optical substrate;wherein a reference x axis is defined as being normal to the reference plane;wherein a reference y axis is defined as being perpendicular to the reference x axis and falling within a plane that is parallel to the reference plane;wherein the reference x axis and the reference y axis intersect each other at a position defined as the origin, which is on the second major surface of the optical substrate;wherein the second major surface of the optical substrate comprises one or more microstructured prismatic elements;wherein the positive direction of the reference x axis is defined as the direction from the origin towards the one or more microstructured prismatic elements;wherein the positive direction of the reference y axis is defined as the direction from the origin in a clockwise direction from the positive direction of the reference x axis; each side of a microstructured prismatic element has a first end and a second end;', 'side A of the microstructured prismatic element is parallel to and adjacent to the second major surface of the optical substrate and extends from the origin, where the first end of side A is located, in the positive direction of the reference y axis;', wherein side B extends from the point that is connected to side A towards the positive direction of the reference x axis;', 'wherein side B forms an angle alpha with a line parallel to the reference x axis that passes through the point where side A and side B connect;, 'the first end of side B of the ...

DAYLIGHTING SHEET, DAYLIGHTING PANEL AND ROLL-UP DAYLIGHTING SCREEN

An object is to provide a daylighting sheet which efficiently performs daylighting and in which, when the daylighting sheet is applied to a window of a building or the like, it is possible to see an outdoor side. 1. A daylighting sheet that is arranged in an opening portion of a building and transmits light from an outdoor side to an indoor side ,wherein the daylighting sheet is formed by stacking a plurality of layers, a translucent base material layer; and', 'a light deflection layer that is formed on the base material layer, and, 'the layers include light transmission portions that are aligned along one surface of the base material layer so as to be able to transmit light, each of the light, transmission portions including a groove at a portion being in a light entering side in a position where the light transmission portion is arranged in the opening portion of a building; and', 'light deflection portions that are formed between the light transmission portions and filled with a material whose refractive index is lower than that of the light transmission portions., 'the light deflection layer includes2. The daylighting sheet of claim 1 , wherein the light deflection portions are filled with air.3. The daylighting sheet of claim 1 , wherein the light deflection portions are filled with a transparent resin.4. The daylighting sheet of claim 1 ,wherein at least one of other translucent layers is arranged on a side of the light deflection layer opposite to the base material layer.5. The daylighting sheet of claim 1 ,wherein the light transmission portions have a predetermined cross section and extend along the one surface of the base material layer, and are aligned in a direction different from the direction in which the light transmission portions extend, andthe light deflection portions are arranged between the adjacent light transmission portions such that the light deflection portions extend in the same direction as the light transmission portions and are aligned ...

Daylighting slat and daylighting device

A daylighting slat ( 40 ) includes a daylighting plate ( 40 ) extending in one direction. The daylighting plate ( 40 ) includes: a transparent base material ( 41 ) having a curved or angled shape in a cross-section taken perpendicular to a lengthwise direction of the daylighting plate ( 40 ); a plurality of transparent daylighting sections ( 42 ) at least in a first region ( 41 Aa) of a first face ( 41 A) of the base material ( 41 ); and gap portions between the daylighting sections ( 42 ), wherein each of the daylighting sections ( 42 ) has a side face in contact with one of the gap portions, a part of the side face serving as a reflection face where light incident to that daylighting section ( 42 ) is reflected.

Kinematically Linked Optical Components for Light Redirection

Embodiments described herein may relate to a system comprising a plurality of optical elements, comprising at least a first optical element and one or more secondary optical elements, a heliostat comprising the first optical element, where the heliostat is operable to move the first optical element to continuously reflect light from a non-stationary light source in a beam towards a first of the secondary optical elements, and where the secondary optical elements are arranged to re-direct the reflected beam of light towards an illumination target. The system further includes a controller configured to receive position data indicative of the position of the non-stationary light source over time, and in response to the position data, control at least the heliostat to continuously direct the beam of light towards the first of the secondary optical elements, such that the beam of light is continuously re-directed towards the illumination target. 1. A system comprising:a plurality of optical elements installed in a proximity of a building, the plurality of optical elements comprising at least a first optical element and one or more secondary optical elements;a heliostat operable to move the first optical element to reflect light from a non-stationary light source towards the one or more secondary optical elements;a renewable energy cell installed in the proximity of the building;sensors installed in a room of the building; and receiving, from the sensors, sensor data indicative of a current status of the room; and', 'based on the current status of the room, determining to redirect the light towards the renewable energy cell., 'a computer apparatus having one or more processors and memory storing instructions that, when executed by the one or more processors, cause the system to carry out operations including2. The system of claim 1 , wherein the current status of the room is indicative of a number of individuals located in the room.3. The system of claim 2 , wherein the ...

Automatically Adjusting Light Shelf

One embodiment of a microcontroller ( 24 ) connected to light sensors ( 12 ) that measure the light conditions within a space to determine whether a light shelf ( 10 ) should be rotated about a hinge ( 20 ) automatically by a servomotor ( 18 ) in order to provide the most advantageous use of daylighting.

Window illumination enhancer

A window illumination enhancer having at least one planar reflective surface and two openings is designed to fit in a window well of a building. The surface reflects light from a first of the openings through the window, via the second opening. The first opening is located above the window well. A polymer film surrounds the path of the light between the two openings to reduce soiling of at least the surface. A second planar reflective surface may be included and may be arranged to form a periscopic device, which affords an above-ground view of the exterior. The enhancer may be composed of lightweight materials. It may be freestanding, and may be mounted without fixing to the building wall. Illumination is increased because the view of the dim-lit window well wall is blocked by the more brightly lit surface.

LIGHT DISTRIBUTION SYSTEMS AND METHODS

Apparatuses, systems, and methods in which reflective slats are configured to redirect light received from various sun positions are provided. The slats or mirrored array could be coupled to a base of the redirector, such that an adjustment of an angle of the base relative to the horizontal adjusts an angle of each slat relative to the horizontal. In some aspects, an algorithm can be used to determine the angle of tilt that maximizes the transmission efficiency for the mirror array. 1. A light redirection system , comprising:a first base;first and second substantially parallel slats coupled to the first base, each of the first and second slats including a reflective surface and configured to sequentially redirect light at different first and second angles based at least in part on an adjustment of an angle between a length of the first base and the horizontal; anda first adjustment mechanism coupled to the first base and configured to enable the adjustment of the angle between the length of the first base and the horizontal.2. The system of claim 1 , wherein a distance between the first and second slats is adjustable.3. The system of claim 1 , wherein an angle of the first slat relative to the length of the first base is adjustable.4. The system of claim 3 , wherein the angle of the first slat relative to the length of the first base is adjustable independently of the second slat.5. The system of claim 1 , wherein the first and second slats are coupled to the first base such that each of the first and second slats extend substantially orthogonally from the first base.6. The system of claim 1 , further comprising:a second base coupled to the first base; andthird and fourth substantially parallel slats coupled to the second base, each of the third and fourth slats including a reflective surface and configured to sequentially redirect light at third and fourth different angles based at least in part on an adjustment of an angle between a length of the second base and ...

Light redirecting structure

A generally plano rectangular louvers are capable of being ganged in a stacked tiltable array to enhance light re-direction when titled to follow the solar elevation. Combinations of features and optical characteristic avoid optical artifacts and enhance efficiency of light utilization and manufacturing. Different louvers can be combined in alternative ways in such arrays. Light directly louvers, films, sheets and panels deploy a grooves that re-direct exterior sunlight for deeper penetration into rooms and building interiors. Absorbing structure are combined with films or panel that while reducing total interior illumination, reduce the potential for annoying glare at low solar elevations 1) A light redirecting film or sheet comprising:a) a front surface having a plurality of spaced apart grooves to provide for total internal reflection of incident light,b) a rear surface opposite the front surface,c) a plurality of uniformly spaced apart regions for absorbing a portion of light re-directed by total internal reflection at the front surface,d) wherein the uniformly spaced apart regions are opaque elements and provide an overall internal attenuation of incident light of about 10% to about 40%.2) The light redirecting film or sheet according to wherein the uniformly spaced apart opaque elements are spaced apart by about 1-10 mm.3) The light redirecting film or sheet according to wherein the uniformly spaced apart opaque elements are spaced apart by about 2-8 mm.4) The light redirecting film or sheet according to wherein the uniformly spaced apart regions are round dots that are spaced apart by about 3-7 mm.5) The light redirecting film or sheet according to wherein the uniformly spaced apart opaque elements are round dots disposed in columnar arrays.6) The light redirecting film or sheet according to wherein the uniformly spaced apart opaque elements are round dots disposed in columnar arrays with an offset of adjacent columns.7) The light redirecting film or sheet ...

LIGHTING DEVICE

The lighting device includes: a lighting film having a rectangular shape including a first surface and a second surface; and a support member configured to support the lighting film on at least two opposite sides of four sides of the lighting film so that a first surface and a second surface are positioned substantially parallel to a vertical direction, wherein the support member includes: a first support portion disposed opposite the first surface; a second support portion disposed opposite the second surface; an own weight support portion supporting an own weight of the lighting film; and a stretch allowance portion configured to allow elongation or shrinkage in a direction parallel to the first surface and the second surface of the lighting film due to a change in temperature. 1. A lighting device comprising:a lighting film having a rectangular shape including a first surface and a second surface; anda support member configured to support the lighting film on at least two opposite sides of four sides of the lighting film so that a first surface and a second surface are positioned substantially parallel to a vertical direction,wherein the support member includes:a first support portion disposed opposite the first surface;a second support portion disposed opposite the second surface;an own weight support portion supporting an own weight of the lighting film; anda stretch allowance portion configured to allow elongation or shrinkage in a direction parallel to the first surface and the second surface of the lighting film due to a change in temperature.2. The lighting device according to claim 1 ,wherein the support member includes an upper side member provided along an upper side of the lighting film and a lower side member provided along a lower side of the lighting film,the upper side member includes an upper groove into which an upper side of the lighting film is inserted,the lower side member includes a lower groove into which a lower side of the lighting film is ...

INDIRECT DAYLIGHTING DEVICE

An indirect daylighting device for a building with an interior space may include a suspension system configured for securing to a building structure and a pan secured to the suspension system and having an incident surface and a cross-sectional profile forming a plurality of waves, wherein the incident surface is arranged to receive natural light entering a building and reflect the natural light to provide indirect lighting to the interior space of the building. 1. An indirect daylighting device for a building , comprising:a suspension system configured for securing to a building structure and comprising a plurality of inwardly projecting inriggers; anda pan secured to an underside of the suspension system, the pan including a plurality of elongate slats interlockingly engaged with one another and extending substantially orthogonally to the inriggers, wherein the plurality of elongate slats are interlockingly engaged in a fastener free configuration.2. The device of claim 1 , wherein the plurality of elongate slats are secured to the inriggers substantially without fasteners.3. The device of claim 2 , wherein the inriggers include a plurality of ledges and the plurality of slats each include a corresponding groove for receiving one of the plurality of ledges.4. The device of claim 2 , wherein the plurality of elongate slats include a projection for engaging the inriggers.5. The device of claim 4 , wherein the suspension system includes a bore in the inriggers sized and positioned to accommodate the projection of the plurality of elongate slats.6. The device of claim 2 , wherein:the inriggers includes a pan engaging edge having one or more pan connection features extending therefrom, the one or more pan connection features being sized and configured to secure the pan to the pan engaging edge; andthe pan includes one or more inrigger connecting features extending therefrom, the one or more inrigger connection features being sized and configured to secure the pan to ...

METHOD AND APPARTUS FOR MAKING REFLECTIVE SURFACES WITHIN OPTICALLY TRANSMISSIVE MATERIALS

A method and apparatus for making reflective surfaces within optically transmissive materials. The method includes steps of providing a blade having a sharp cutting edge, penetrating an optically transmissive material with the cutting edge to a predetermined penetration depth and moving the blade relative to the transmissive material to produce a continuous slit with reflective walls. The apparatus includes a material feeding mechanism configured to feed a flexible sheet in predefined stepped increments, a slitting blade with a surface portion having a root mean square surface profile roughness parameter below 100 nanometers, and a linear drive operatively associated with the slitting blade to reciprocally move the slitting blade perpendicular to a feed direction of the flexible sheet, where a stepped feed operation of the material feeding mechanism is alternating with a reciprocal operation of the linear drive. 1. A method of making reflective surfaces within an optically transmissive material , comprising:providing a blade having a sharp cutting edge;penetrating the optical transmissive material with the cutting edge to a predetermined penetration depth; andmoving the blade relative to the optically transmissive material to produce a continuous slit within the optically transmissive material.2. The method of claim 1 , wherein at least a portion of a surface of the blade near the cutting edge has a root mean square surface profile roughness parameter below 100 nanometers.3. The method of claim 1 , wherein a radius of curvature of a tip of the cutting edge is below 1 micrometer in a cross-section.4. The method of claim 1 , wherein a radius of curvature of a tip of the cutting edge is less than 50 micrometers in a cross-section.5. The method of claim 1 , wherein the predetermined penetration depth is less than the thickness of the optically transmissive material.6. The method of claim 1 , wherein the predetermined penetration depth is approximately one-half of the ...

Light adjusting film

The invention is related to a light adjusting film. The light adjusting film includes a transparent substrate, a plurality of micro lens structures on a light incident surface of the transparent substrate and a plurality of micro triangular prism structures on a light emitting surface of the transparent substrate. The curvature of the micro lens structures is in a range of 50 μm −1 to 500 μm −1 , and the position of each of micro lens structures is corresponding to that of one or more of the micro triangular prism structures. By designing of the micro lens structures together with the triangular prism structures, sunlight can be used effectively so as to achieve energy saving performance.

DAYLIGHTING DEVICE

A daylighting device () according to an aspect of the present invention includes a first substrate () which has optical transparency and to which external light is incident; a second substrate () which has optical transparency and is disposed facing the first substrate (); a light diffusion layer () which is disposed between the first substrate () and the second substrate (); and a daylighting layer () which is disposed between the first substrate () and the second substrate () and is formed by including a plurality of daylighting portions () having optical transparency and a void portion () which is provided between the plurality of daylighting portions () in one surface facing the light diffusion layer (). 1. A daylighting device comprising:a first substrate which has optical transparency and to which external light is incident;a second substrate which has optical transparency and is disposed facing the first substrate;a light diffusion layer which is disposed between the first substrate and the second substrate; anda daylighting layer which is disposed between the first substrate and the second substrate and is formed by including a plurality of daylighting portions having optical transparency and a void portion which is provided between the plurality of daylighting portions in one surface facing the light diffusion layer.2. The daylighting device according to claim 1 ,wherein the light diffusion layer has anisotropy in light diffusion properties and shows the strong light diffusion properties in each of extending directions in the plurality of daylighting portions.3. The daylighting device according to claim 1 ,wherein the light diffusion layer shows weak light diffusion properties having 5 degrees or less of a full width at half maximum in a direction perpendicular to the extending direction of the plurality of daylighting portions.4. The daylighting device according to claim 1 ,wherein as properties of light diffusion in a direction perpendicular to a ...

Controllable natural indoor illumination system

A controllable natural illumination system for a building with an interior space includes a guiding element configured to guide natural illumination from an exterior of the building towards the interior space, an electro-chromic film covering at least a portion of the guiding element, and a controlling device electrically connected to the electro-chromic film. The natural illumination guided by the guiding element to the interior space passes through the electro-chromic film. The controlling device is configured to regulate the light penetrating ratio of the electro-chromic film controlling the natural illumination passable through the electro-chromic film to the interior space.

Daylight Transmission System for Building

A daylight transmission system that can be used in buildings, the system including: dual-axis implementation device, CPU-controller, light position sensor and optical components that include moving and fixed optical components; with the moving optical components including optical light collector and the fixed optical components including first receiver and consecutive receivers. The invented system transmits sunlight in a form of parallel light after it is concentrated and therefore does not rely on expensive medium such as optic fibers, with the entire process being efficient in light transmission and economically viable. With the help of a tracking device, sunlight of any incident angle will be reflected in a fixed direction and to a fixed point where the light is reflected further on to the desired destination inside of a building. The invented system can be installed directly onto the external wall of any building, and be applied within a wide range of buildings. 119-. (canceled)20. A daylight transmission system for buildings , comprising a dual-axis implementation device , a CPU-controller , a light position sensor and optical components; wherein the optical components include moving and fixed optical components; wherein the moving optical components includes an optical light collector and wherein the fixed optical components including a first receiver and one or more subsequent receiver.21. The daylight transmission system of claim 20 , wherein the dual-axis implementation device includes: a main shaft claim 20 , a main motor and its affiliated drive device claim 20 , a secondary shaft claim 20 , a secondary motor and its affiliated drive device.22. The daylight transmission system of claim 21 , wherein the optical light collector is installed on the secondary shaft.23. The daylight transmission system of claim 20 , wherein the dual-axis implementation device drives the optical light collector and makes it rotate around its own central point claim 20 , ...

LIGHTING AN ENVIRONMENT THROUGH A LIGHT VALVE

A system may include a light valve exposed to incident light from an external light source. The light valve may independently modulate multiple wavelength bands of the incident light that are transmitted through the light valve and into an environment that the system illuminates. A control system can operate the light valve to control a spectral distribution of light transmitted through the light valve. 1. A lighting system comprising:a light valve configured to receive incident light on a first side of the light valve, the first side being outside an environment to be illuminated, the light valve independently filtering a plurality of wavelength bands of the incident light to produce from a second side of the light valve illumination of the environment.2. The system of claim 1 , wherein the light valve independently filters at least five different wavelength bands.3. The system of claim 1 , wherein the light valve is further positioned to receive at least a portion of the incident light from a natural light source.4. The system of claim 3 , wherein the natural light source is the sun.5. The system of claim 1 , further comprising a mounting structure to mount the light valve in a light passage through a barrier that is part of a building containing the environment claim 1 , the incident light being from a second environment on a side of the barrier opposite from the environment.6. The system of claim 5 , wherein the environment to be illuminated comprises an interior space in the building claim 5 , and the barrier is one of a wall claim 5 , a ceiling claim 5 , and a floor of the interior space.7. The system of claim 6 , wherein the second environment is an exterior space outside the building containing the environment to be illuminated.8. The system of claim 5 , wherein:the environment to be illuminated comprises a first room in the building; andthe second environment comprises a second room in the building.9. The system of claim 1 , further comprising a broadband ...

Skylight with sunlight pivot

A skylight with a sunlight pivot is provided. The skylight includes an external cover, a light channel, and a sunlight pivot disposed between the cover and the light channel. The sunlight pivot may include a periphery, a plurality of struts, and first and second prisms connected to at least two of these struts. The first and second prisms may define a void between them. The first prism has a cross-section configured to redirect light incident upon the exterior of the pivot to increase the amount of light passing into the light channel. The second prism is configured with a cross-section configured to redirect light incident upon the exterior of the pivot to decrease the amount of light passing through the periphery.

SUNLIGHT REDIRECTING MIRROR ARRAYS

Sunlight redirector () incorporates closely proximate mirror arrays () having parallel, uniformly spaced, longitudinal mirror segments (). Prismatic sheet () is positioned behind and closely proximate second array (). Segments () extend in first direction (x). Segments () extend in second direction (y) perpendicular to direction (x). Segments () have normal vectors ( ). Segments () are interconnected for simultaneous pivotal movement (), such that their normal vectors () remain parallel. Segments () are interconnected for simultaneous pivotal movement (), such that their normal vectors () remain parallel. Arrays () redirect incident light toward sheet (), which redirects the light into a desired fixed direction, e.g. parallel to the sunlight redirector's normal vector (). Segments () may have inward and outward segments (A, B) which can be adjustably positioned to maximize redirection of incident sunlight rays in a desired direction. 1. A sunlight redirector , comprising:a plurality of substantially parallel, uniformly spaced, longitudinal mirror segments;each one of the mirror segments having a normal vector;wherein the mirror segments are interconnected for simultaneous pivotal movement of the segments, such that the mirror segments' normal vectors remain parallel; andthe mirror array is rotatable about a normal vector of the array.2. A sunlight redirector as defined in claim 1 , wherein:the mirror segments are of differing lengths, and are arranged such that the mirror array is circular.3. A sunlight redirector as defined in claim 1 , wherein the mirror segments redirect incident light rays into a desired fixed direction substantially parallel to a normal vector of the sunlight redirector.4. A sunlight redirector claim 1 , comprising:a first mirror array having a first plurality of substantially parallel, uniformly spaced, longitudinal mirror segments;a second mirror array having a second plurality of substantially parallel, uniformly spaced, longitudinal mirror ...

Mirror For Solar-Skypipe Collector

A solar collector is disclosed in which a light pipe having an optical axis and extending from a proximal end configured to receive sunlight to a distal end, and a plurality of reflective elements optically coupled to the light pipe. Each of the reflective elements is configured to direct at least a portion of sunlight incident thereon into the light pipe via the proximal end substantially parallel to the optical axis for a plurality of positions of the sun in the sky. Baffles coupled to the reflective elements further enhance the collectors ability to increase the light collected. 1. A solar collector , comprising:a light pipe having an optical axis and extending from a proximal end configured to receive sunlight to a distal end,a plurality of reflective elements optically coupled to the light pipe,wherein each of the reflective elements is configured to direct at least a portion of sunlight incident thereon into the light pipe via the proximal end substantially parallel to the optical axis for a plurality of positions of the sun in the sky.2. The solar collector of claim 1 , wherein each of the reflective elements is configured to direct at least about 80 percent of the incident sunlight into the light pipe substantially parallel to the optical axis for the plurality of positions of the sun in the sky.3. The solar collector of claim 1 , wherein each of the reflective elements is configured to direct at least about 90 percent of the incident sunlight into the light pipe substantially parallel to the optical axis for the plurality of positions of the sun in the sky.4. The solar collector of claim 1 , wherein the reflective elements are fixedly disposed relative to one another and relative to the light pipe.5. The solar collector of claim 1 , wherein each of the reflective elements comprises a front reflective surface for specularly reflecting incident sunlight and a back reflective surface for diffusely reflecting incident sunlight.6. The solar collector of claim 5 ...

Solar light management

A translucent construction element comprising a layer of translucent substrate, which contains a surface structured with nanoplanes of inclined angle relative to the substrate plane, and coated with an interrupted metallic layer covering at least a part of said nanoplanes, is characterized by a high density of interruptions in the metallic layer of low thickness; the periodicity of interruptions in the metallic layer generally is from the range 50 to 1000 nm and the thickness of the metallic layer typically is from the range 1 to 50 nm. The construction element may be integrated, for example, into windows, plastic films or sheets or glazings, especially for the purpose of light management.

DAYLIGHTING DEVICE AND DAYLIGHTING SYSTEM

There is provided a daylighting device () installed to face window glass and including a daylighting member () having a light-transmissive base member and a plurality of light-transmissive daylighting units disposed adjacent to each other on at least one surface of the base member, and the daylighting member () includes a movable unit that moves such that the one surface of the base member follows a movement of the sun to turn toward an orientation of the sun. 1. A daylighting device installed to face window glass , the daylighting device comprising:a daylighting member including a light-transmissive base member and a plurality of light-transmissive daylighting units disposed adjacent to each other in at least one surface of the base member,wherein the daylighting member includes a movable unit that moves such that the one surface of the base member follows a movement of the sun to turn toward an orientation of the sun.2. The daylighting device according to claim 1 ,wherein the movable unit moves in a direction perpendicular to a vertical direction of the window glass.3. The daylighting device according to claim 1 ,wherein a plurality of the daylighting members are disposed continuously in a direction perpendicular to a vertical direction of the window glass.4. The daylighting device according to claim 1 , further comprising:a shielding member hanging down from the daylighting member.5. The daylighting device according to claim 3 ,wherein in a case in which a width of the daylighting member is w, an orientation of the sun with respect to the daylighting member is ϕ, and a distance between the daylighting members is l, l=w+w sin ϕ tan ϕ is satisfied.6. The daylighting device according to claim 5 ,{'sub': 1', '2', '1', '2, 'wherein in a case in which a distance between the daylighting members in a case where the daylighting members are disposed in parallel to the window glass is land a distance between the daylighting members in a case where the daylighting members ...

LIGHT CONTROL DEVICE

A light control device includes: a sheet-like light control member; and a support device supporting the light control member such that an orientation of the light control member is variable. The light control member includes: first portions arranged in a first direction along a sheet plane of the light control member, each first portion extending in a second direction that is in non-parallel with the first direction and along the sheet plane of the light control member; and second portions arranged in the first direction alternately with the first portions, each second portion extending in the second direction. 1. A light control device comprising:a sheet-like light control member; anda support device supporting the light control member such that an orientation of the light control member is variable,whereinthe light control member includes:first portions arranged in a first direction along a sheet plane of the light control member, each first portion extending in a second direction that is in non-parallel with the first direction and along the sheet plane of the light control member; andsecond portions arranged in the first direction alternately with the first portions, each second portion extending in the second direction.2. The light control device according to claim 1 , wherein the support device supports the light control member such that the light control member is rotatable about an axis line in parallel with the second direction.3. The light control device according to claim 1 , wherein the support device supports the light control member such that the light control member is rotatable about an axis line in parallel with the first direction.4. The light control device according to claim 1 , whereinthe light control members are arranged in one direction and supported by the support device, andeach light control member is elongated in a longitudinal direction perpendicular to the one direction.5. The light control device according to claim 4 , wherein thethe ...

HYBRID LIGHT REDIRECTING AND LIGHT DIFFUSING CONSTRUCTIONS

Solar light redirecting glazing units include light redirecting and light diffusing constructions. The solar light redirecting glazing units may include a glazing substrate, a visible light diffusing layer, and a light redirecting layer oriented such that incoming solar light contacts the visible light diffusing layer before contacting the light redirecting layer. The solar light redirecting glazing units may include a glazing substrate, a patterned visible light diffusing layer, and a light redirecting layer. The solar light redirecting glazing units may include two glazing substrates separated by an intervening space with a solar light redirecting layer disposed on one glazing substrate, and a visible light diffusing layer disposed on the other glazing substrate. 1. A solar light redirecting glazing unit , comprising:a first glazing substrate;a visible light diffusing layer disposed on the first glazing substrate; anda light redirecting layer adjacent to the visible light diffusing layer, the light redirecting layer comprising a major surface forming an ordered arrangement of a plurality of prism structures, and wherein the visible light diffusing layer and light redirecting layer are oriented such that incoming solar light contacts the visible light diffusing layer before contacting the light redirecting layer.2. The solar light redirecting glazing unit of claim 1 , wherein the visible light diffusing layer comprises a visible light diffusing film or a visible light diffusing glazing substrate.3. The solar light redirecting glazing unit of claim 1 , wherein the visible light diffusing layer and the light redirecting layer are attached to each other to form a solar light redirecting construction.4. The solar light redirecting glazing unit of claim 3 , wherein the visible light diffusing layer and the light redirecting layer comprise polymeric films.5. The solar light redirecting glazing unit of claim 3 , wherein the first glazing substrate has a surface area value ...

HIGH ASPECT RATIO DAYLIGHT COLLECTORS

Lighting devices and methods for providing daylight to the interior of a structure are disclosed. Some embodiments disclosed herein provide a daylighting device including a tube having a sidewall with a reflective interior surface, a light collecting structure, and a light reflector positioned to reflect daylight into the light collector. In some embodiments, the light collector is associated with one or more light-turning and/or light reflecting structures configured to increase the amount of light captured by the daylighting device. Optical elements may allow for the absorption and/or selective transmission of infrared light away from an interior of the daylighting device. 1. A passive light-collecting device for directing sunlight into a building interior , the device comprising:a top cover portion;a base aperture having a width and configured to be disposed adjacent to an opening of a building; anda substantially vertical portion having a height that extends between the top portion and the base aperture and is configured to receive sunlight;wherein the light-collecting device is configured to direct a first luminous flux through the base aperture when the light-collecting device is exposed to sunlight at a solar altitude of approximately 30 degrees, and to direct a second luminous flux through the base aperture when the light-collecting device is exposed to sunlight at a solar altitude of approximately 70 degrees, wherein the first luminous flux is greater than or equal to about 75% of the second luminous flux when the light-collecting device is exposed to substantially only direct sunlight on a clear day.2. The device of claim 1 , further comprising a prismatic element associated with the vertical portion and configured to turn at least a portion of sunlight received by the vertical portion towards the base aperture.3. The device of claim 1 , further comprising a reflector associated with the vertical portion configured to reflect the portion of sunlight ...

LIGHT TUBE KIT FOR SKYLIGHT

A light tube kit for skylight with a light tunnel and a spring clip. The light tunnel may be configured from a sheet member rolled upon itself such that two opposite edges overlap, such overlapped edges secured with the spring clip engaged through slots proximate to the overlapped edges. The spring clip has first and second hooks that are engaged through such slots and a handle disposed between the hooks. 1. A combination , comprising:a light tunnel, the light tunnel configured from a sheet member having a first edge and a second edge opposite the first edge, with opposed third and fourth edges disposed between the first and second edges, the sheet member rolled upon itself such that the third edge overlaps the fourth edge;a first slot defined through the sheet member proximate to the third edge and a second slot defined through the sheet member proximate to the fourth edge, the first and second slots being aligned;a spring clip, the spring clip having first and second hooks and a handle disposed therebetween; andthe first hook disposed through the first and second slots and engaged therewith.2. The combination of claim 1 , wherein the second hook is disposed through the first and second slots and engaged therewith.3. The combination of claim 1 , wherein the first slot is parallel to the third edge and the second slot is parallel to the fourth edge.4. The combination of claim 1 , further including a third slot residing between the first slot and the third edge and being parallel to the first slot.5. The combination of claim 1 , further including a third slot parallel to the first slot and residing equidistant from the third edge with the first slot and a fourth slot parallel to the second slot and residing equidistant from the fourth edge with the second slot.6. The combination of claim 5 , in which the second hook is disposed through the third and fourth slots and engaged therewith.7. The combination of claim 1 , wherein the first and second hooks are open away ...

Louvered Light Re-Directing Structure

Generally plano rectangular louvers are capable of being ganged in a stacked tiltable array to enhance light re-direction when titled to follow the solar elevation. Combinations of features and optical characteristic avoid optical artifacts and enhance efficiency of light utilization and manufacturing. Different louvers can be combined in alternative ways in such arrays. 1) A louver , comprising:a) a generally rectangular planar support member having;b) an upper surface and a lower surface opposite the upper surface,c) an elongated front side on a side orthogonal to the plane of the upper surface, and an elongated back side opposed to and parallel with the front side,d) a right side on another side that is orthogonal to both the upper surface and the front side, and a left side opposite the front side that is parallel to the front side,e) a light redirecting structure that is at least one of attached to and disposed within the planar support member, the light redirecting structure comprising a plurality of spaced apart light reflective surfaces that terminate at corners, wherein the light reflecting surface thereof extend across the planar support member from the front side to the back side in which each light reflective surface faces the front or back side,f) wherein the light reflective surfaces have a periodic pitch of more than about 0.5 mm and the corners have a radius of curvature of less than 1% of pitch.2) The louver according to wherein the reflective surfaces are parallel to the each other.3) The louver according to wherein the reflective surfaces are tilted with respect to the front and back face.4) The louver according to wherein the louver is symmetrical about a reference plane that is parallel to and spaced apart an equal distance from the upper surface and the lower surface.5) The louver according to and further comprising an absorbing surface disposed parallel to and intervening between each light reflecting surface.6) The louver according to wherein ...

Daylighting system

A daylighting system includes a sheet-like light control member disposed on at least an upper part of a daylighting opening, and a shade disposed oppositely to at least a part of the opening, the part being below the part where the light control member is disposed. The light control member is configured to change upward a traveling direction of incident light and allow the incident light to pass through the light control member.

Radiation collector and method of manufacture thereof

Non-imaging radiation collecting and concentrating devices, and assemblies, are disclosed. The non-imaging radiation collecting and concentrating devices comprise an entrance aperture for receiving incoming radiation, an exit aperture located opposite to the entrance aperture for outputting concentrated radiation, and one or more concaved reflectors arranged between the entrance and exit apertures. The concaved reflectors define an acceptance angle of the device relative to an optical axis thereof and configured such that their optical focuses are located between edges of the exit aperture and the optical axis, thereby substantially preventing escape of the incoming radiation received in the entrance aperture within the acceptance angle and providing substantial uniform radiation collection at the exit aperture of the device.

SOLAR LIGHT SYSTEMS, AND RELATED COMPONENTS AND METHODS

A solar light system may include two stages of optical concentration with intermediate removal of infrared radiation between the optical concentration stages. A second stage of optical concentration may prepare multiple concentrating beams of processed solar radiation with visible light with each such concentrating beam directed to a different corresponding light conduit for transmission to an interior space for interior lighting. System modularization may provide flexibility to accommodate a variety of interior lighting applications. 1. A solar light system , comprising a solar radiation collection and processing system to receive incident solar radiation during daylight hours and to process the incident solar radiation to prepare and provide processed solar radiation including concentrated visible light , the collection and processing system including:a first stage optical concentrator disposed to receive and concentrate solar radiation and prepare first concentrated solar radiation;an optical filter to remove at least a portion of radiation outside of the visible light range, the optical filter disposed to receive as input at least a portion of the first concentrated solar radiation and to prepare spectrally-conditioned solar radiation including visible light;a parallel-processing optical concentrator disposed to receive as input at least a portion of the spectrally-conditioned solar radiation and to prepare multiple beams of processed solar radiation including concentrated visible light, the parallel-processing optical concentrator comprising at least one parallel-processing array with a plurality of optical concentrating elements in a parallel-processing arrangement to receive and concentrate different spatial portions of solar-sourced radiation input to the parallel-processing array; anda plurality of light conduits corresponding to the multiple beams of processed solar radiation and with a different said light conduit disposed to receive at least a portion of ...

DAYLIGHTING DEVICE, MOLDING DIE, AND METHOD OF MANUFACTURING DAYLIGHTING FILM

A daylighting device according to an aspect of the invention includes at least a daylighting film that includes a base having optical transparency and daylighting portions having optical transparency and provided on one surface of the base. Each of the daylighting portions has a reflective surface by which light incident on the daylighting portion is reflected and the light reflected by the reflective surface and output from a second surface of the base has a characteristic that the light travels toward a space on a side where the light is incident on the reflective surface, the space being one of two spaces divided by a virtual plane as a boundary which is vertical to the second surface of the first substrate and parallel to a direction of the daylighting portion extending, and intervals s between adjacent daylighting portions are set to various values. 1. A daylighting device comprisingat least a daylighting film that includes a base having optical transparency and a plurality of daylighting portions having optical transparency and provided on a first surface of the base, whereineach of the daylighting portions has a reflective surface by which light incident on the daylighting portion is reflected and the light reflected by the reflective surface and output from a second surface of the base has a characteristic that the light travels toward a space on a side where the light is incident on the reflective surface, the space being one of two spaces divided by a virtual plane as a boundary which is vertical to the second surface of the base and parallel to a direction of the daylighting portion extending, andintervals s between adjacent daylighting portions are set to a plurality of values.211. The daylighting device according to claim 1 , wherein at least one of the intervals s between the plurality of daylighting portions on the base is smaller than a width W of the daylighting portion in a direction intersecting the direction of the daylighting portions extending ...

A lighting system

A lighting system comprising a light engine, a duct connected to the light engine defining a light transport passage for transporting light emitted from the light engine along a propagation direction through the duct, one or more light output surfaces on the duct through which light is emitted, the light engine comprising arranged sequentially in a single file: a light collimator having an output end arranged to face the light transport passage, a LED light source arranged to direct light into an input end of the light collimator, and a heat sink thermally coupled to the LED light source.

Lighting film, window glass, roll screen, and lighting louver

A lighting film which includes a base member having optical transparency, a plurality of protrusions having optical transparency, which are formed to be adjacent to each other on one surface of the base member, and a gap portion formed between the protrusions, in which an area of an end surface of the protrusion on a base member side is greater than an area of an end surface of the protrusion on a side opposite to the base member, and a ratio s/w of an interval s of two adjacent protrusions among the plurality of protrusions to a width w of the protrusion is equal to or less than 0.1.

LIGHTING FILM, WEB ROLL FOR LIGHTING FILM, WINDOW PANE, ROLL SCREEN, AND LIGHTING LOUVER

A lighting film includes a base member which has light-transmitting properties, a plurality of protrusion portions which have light-transmitting properties and are formed on one surface of the base member so as to be adjacent to each other, and a gap portion which is formed between the protrusion portions. In the protrusion portion , a first end surface on the base member side or a second end surface on an opposite side to the base member is configured as a light incidence end surface, and a side surface which comes into contact with the gap portion is configured as a reflective surface of totally reflecting light which is incident from the light incidence end surface. The base member or a member that is formed on one surface of the base member and has light-transmitting properties is exposed in the gap portion 1. A lighting film comprising:a base member which has light-transmitting properties;a plurality of protrusion portions which have light-transmitting properties and are formed on one surface of the base member so as to be adjacent to each other; anda gap portion which is formed between the protrusion portions,wherein, in the protrusion portion, a first end surface on the base member side or a second end surface on an opposite side to the base member is configured as a light incidence end surface, and a side surface which comes into contact with the gap portion is configured as a reflective surface for totally reflecting light which is incident from the light incidence end surface, andthe base member or a member that is formed on one surface of the base member and has light-transmitting properties is exposed in the gap portion.2. A web roll for a lighting film which is obtained by winding a long lighting film , whereinthe lighting film includes a base member which has light-transmitting properties, a plurality of protrusion portions which have light-transmitting properties and are formed on one surface of the base member so as to be adjacent to each other, and ...

BACKLIGHT MODULE

The present invention disclosed a backlight module comprising a light collection system, a light guide plate and a plurality of optical fibers, wherein all light incident ends of the plurality of optical fibers are connected to the light collection system for receiving sunlight; the backlight module further includes an optical fiber connector; the plurality of optical fibers are arranged in parallel on the surface of the light guide plate, with all their light emitting ends flush with the light incident end of the light guide plate; the optical fiber connector abuts against the light emitting end of the plurality of optical fibers and the light incident end of the light guide plate, respectively, used for guiding the sunlight emitting from the light emitting end of the plurality of optical fibers to enter the light guide plate from the light incident end of the light guide plate. 1. A backlight module , comprising a light collection system , a light guide plate and a plurality of optical fibers , all light incident ends of the plurality of optical fibers are connected to the light collection system for receiving sunlight; the backlight module further includes an optical fiber connector; the plurality of optical fibers are arranged in parallel on a surface of the light guide plate , with all their light emitting ends flush with a light incident end of the light guide plate; the optical fiber connector abuts against the light emitting end of the plurality of optical fibers and the light incident end of the light guide plate , respectively , used for guiding the sunlight emitting from the light emitting end of the plurality of optical fibers to enter the light guide plate from the light incident end of the light guide plate.2. The backlight module according to claim 1 , wherein the optical fiber connector is an isosceles right triangle prism claim 1 , whose right angle is opposite to a mirror that abuts against the light emitting end of the plurality of optical fibers ...

LIGHT REDIRECTING FABRIC AND METHOD OF MAKING THE SAME

A flexible sheet-form optical system, referenced to as a light redirecting fabric, which has a fabric-like behavior and light redirecting properties. The light redirecting fabric comprises a soft and flexible sheet of optically transmissive material, such as plasticized polyvinyl chloride. A surface of the flexible sheet includes a plurality of parallel slits having spaced-apart walls configured to reflect light by means of a total internal reflection. At least a portion of daylight incident onto the sheet is internally redirected at angles other than the angle of incidence which is exploited to enhance daylight harvesting and illumination of a building interior. Disclosed also are a method and apparatus for making the light redirecting fabric. The method includes steps of mechanical slitting of the flexible sheet with a blade, elastic stretch-elongation of the sheet along a direction perpendicular to the slits, and making at least a portion of the sheet elongation irreversible. 1. A light redirecting fabric , comprising:a soft and flexible sheet of optically transmissive material; anda plurality of parallel slits formed in a surface of the soft and flexible sheet, wherein each of the plurality of parallel slits comprises a first wall and an opposing second wall that direct incident light,wherein each of the plurality of slits is dimensioned such that incident light received on a surface of the soft and flexible sheet is intercepted and at least partially redirected along a direction of propagation that is different than a direction of incidence, wherein the incident light is at least partially redirected at a bend angle that is greater than an angle of incidence with respect to the surface of the soft and flexible sheet.2. The fabric of claim 1 , wherein the soft and flexible material is formed of a polymeric material.3. The fabric of claim 2 , wherein the polymeric material comprises plasticized polyvinyl chloride.4. The fabric of claim 1 , wherein the parallel ...

DEVICE FOR CAPTURING, TRANSMITTING AND DIFFUSING NATURAL LIGHT INTO INTERIOR SPACES, WHICH COMPRISES A CONDUIT OF INVERTED FRUSTOPYRAMIDAL FORM AND A DIFFUSER THAT EMERGES TRANSVERSELY WITH RESPECT TO THE HORIZONTAL PLANE OF THE CEILING OF A ROOM

A device of the skylight type for capturing, transmitting and diffusing natural light into the interior of a room, that comprises a duct configured as an inverted truncated pyramid made of a reflecting material having on its upper end a translucent plane adaptable to the conditions of the existing cover that receives the natural light. Given said duct material and configuration, the light is conducted by the inner walls of said duct to the lower end thereof, where it is joined to a light diffuser plate of a material having total internal reflection, said diffuser plate emerging transversely to the horizontal plane of the ceiling in the room that is going to be lighted. A connecting element provides a finish to the joint between said transmitting duct and said diffuser block. The device provides aesthetic and spatial characteristics that contribute light and ornamentation to the building, while being simple and easy to install. 1. A device for capturing , transmitting and diffusing natural light into interior spaces that comprises:a) a duct for capturing and transmitting light, configured as an inverted truncated pyramid with properties of surface reflection and having on its upper end a translucent plane adaptable to the conditions of the existing cover that receives natural light;b) a diffuser block that rises transversely to the horizontal plane of the ceiling with properties of total internal reflection, and that is connected to the light capturing and transmitting duct at the end opposite to the translucent plane;c) a connecting element to provide a finish to the joint between said transmitting duct and said diffuser block.2. Device according to claim 1 , wherein the connecting element comprises a cavity traversed by said diffuser block and a fastening element for attachment to said block.3. Device according to claim 2 , wherein said connecting element is placed against the ceiling.4. Device according to claim 1 , wherein a transparent cover is joined to said ...

DAYLIGHTING FILM, DIE FOR FORMING DAYLIGHTING FILM, AND MANUFACTURING METHOD FOR DAYLIGHTING FILM

Provided is a daylighting film () including: a base () having light-transmissive performance; a plurality of first protrusion portions () that have light-transmissive performance and are provided to be adjacent to each other on one surface () of the base (); a gap portion () provided between the first protrusion portions (); and at least one second protrusion portion () that is provided in at least one gap portion () to be adjacent to the first protrusion portions () on the one surface () of the base () and that is formed of the same material as that of the first protrusion portions (), in which a height of the second protrusion portion () from the one surface () of the base () is smaller than a height of each of the first protrusion portions () from the one surface () of the base (). 1. A daylighting film , the daylighting film comprising:a base having light-transmissive performance;a plurality of first protrusion portions that have light-transmissive performance and are provided to be adjacent to each other on one surface of the base;a gap portion provided between the first protrusion portions; andat least one second protrusion portion that is provided in at least one gap portion to be adjacent to the first protrusion portions on the one surface of the base and that is formed of the same material as that of the first protrusion portions, whereina height of the second protrusion portion from the one surface of the base is smaller than a height of each of the first protrusion portions from the one surface of the base.2. The daylighting film according to claim 1 , whereineach of the first protrusion portion and the second protrusion portion has at least a pair of inclined surfaces that are inclined in mutually different directions with respect to the one surface of the base and face each other, andone of the pair of inclined surfaces of the first protrusion portion and one of the pair of inclined surfaces of the second protrusion portion are equal in inclination with ...

Lighting member, lighting device, and method for installing lighting member

A lighting film ( 1 ) includes a first base material ( 2 ), a plurality of lighting portions ( 3 ), and a void portion ( 9 ), and if a virtual straight line (F) that passes through a point (C), at which any one light ray of light entering the lighting portion ( 3 ) is incident on a reflective surface, and is orthogonal to a first surface ( 2 a ) of the first base material ( 2 ) marks a boundary between two spaces, a space with the light ray incident on the point (C) of the two spaces is labeled as a first space (S 1 ), and a space without the light ray incident on the point (C) is labeled as a second space (S 2 ), the lighting film ( 1 ) has a function of decreasing intensity of light traveling toward the second space (S 2 ) of light emitted from the first base material ( 2 ) or the lighting portion ( 3 ).

LIGHT REDIRECTING FILM CONSTRUCTIONS AND METHODS OF MAKING THEM

The present disclosure relates to articles and methods of making light redirecting film constructions comprising a microstructured optical film bonded in selected areas to another film. This type of assembly may serve various purposes. For example, the assembly may protect the structured film, provide additional functionality, such as diffusion, and/or facilitate attachment of the microstructured optical film to a mounting surface, such as a window. 1. An article comprising:a light redirecting layer comprising a first major surface and a second major surface;one or more barrier elements;an adhesive layer;wherein the light redirecting layer comprises one or more microstructured prismatic elements at its first major surface defining a light redirecting area;wherein the total surface area of the one or more barrier elements is greater than 60% of the light redirecting area;wherein the adhesive layer comprises a first major surface and a second major surface;wherein the first major surface of the adhesive layer has a first region and a second region;wherein the first region of the first surface of the adhesive layer is in contact with one or more barrier elements;wherein the second region of the first surface of the adhesive layer is in contact with one or more microstructured prismatic elements;wherein the article allows transmission of visible light.2. An article according to claim 1 , wherein the light redirecting layer comprises a light redirecting substrate claim 1 , and wherein the one or more microstructured prismatic elements are on the light redirecting substrate.3. An article according to claim 1 , wherein the total surface area of the one or more barrier elements is greater than 70% of the light redirecting area.4. An article according to claim 1 , wherein a barrier element diffuses visible light.5. An article according to claim 1 , wherein the adhesive layer comprises a diffusing agent.6. An article according to claim 1 , wherein the window film adhesive ...

RECTANGULAR LIGHT DUCT EXTRACTION

The present disclosure describes light delivery and distribution components of a ducted lighting system having a cross-section that includes planar duct portions, and a light source. The delivery and distribution system (that is, light duct and light duct extractor) can function effectively with any light source that is capable of delivering light which is substantially collimated about the longitudinal axis of the light duct, and which is also preferably substantially uniform over the inlet of the light duct. 1. A lighting element , comprising:a light duct having a longitudinal axis, a light duct cross-section perpendicular to the longitudinal axis, a reflective interior surface defining a cavity, and an exterior surface;a plurality of voids disposed in the reflective interior surface defining a light output surface, whereby light can exit the cavity;a turning film disposed adjacent to the light output surface and exterior to the cavity, the turning film comprising parallel prismatic microstructures, each of the parallel prismatic microstructures having a vertex adjacent the light output surface of the light duct; anda steering film comprising a plurality of ridges adjacent the turning film and opposite the light output surface, each ridge parallel to the longitudinal axis and disposed to refract an incident light ray from the turning film,wherein a light ray that exits the cavity through the light output surface is redirected by the turning film within a first plane perpendicular to the light duct cross-section, and further redirected by the steering film within a second plane parallel to the light duct cross section.2. The lighting element of claim 1 , wherein each of the parallel prismatic microstructures are orientated perpendicular to the longitudinal axis.3. The lighting element of claim 1 , wherein the light duct cross-section is constant along the longitudinal axis.4. The lighting element of claim 1 , wherein the light duct cross-section comprises a polygon ...

Lighting device

Provided is a lighting device that can be easily attached to and removed from a panel. The lighting device includes a lighting film including a prism layer configured to emit incident light toward a prescribed direction as emitted light and a double-sided adhesive adhering to at least a part of an outer periphery of the lighting film and including both surfaces having adhesiveness on a side of the incident light and a side of the emitted light, wherein at least one of a peeling strength and a shear bonding strength on the side of the incident light is less than that on the side of the emitted light.

Daylighting structure

When daylighting into a building interior, this daylighting structure attenuates the brightness of a setting sun or a winter-time incoming light of small elevation angles, and causes the incoming light to be diffusely emitted toward the ceiling surface or into a deep portion of the indoor space domain regardless of the elevation angle thereof. An incoming light (E20) of 20° in elevation angle is caused to be diffusely emitted toward the ceiling surface on the internal upper side of the building through the refraction and reflection actions mediated by a light-transmitting material mounted in a horizontal direction opening of a wall. The light-transmitting material comprises: an outdoor region curved surface wherethrough the incoming light is refracted and let into the interior of the light-transmitting material in a focused form; a lower side reflection surface internally reflecting the refracted incoming light; and an indoor region curved surface wherefrom the internally reflected light is refracted and emitted toward the ceiling surface in a diffused form. Also disclosed are the installation wherein the light-transmitting material is inclined from the illustrated horizontal state, and the installation of a plurality of the light-transmitting materials, each in upper and lower directions and left and right directions.

Daylighting film

A daylighting film ( 1 ) according to one aspect of the present invention includes a base member ( 10 ) having optical transparency, first projections ( 11 ) having optical transparency and formed on an inner surface ( 10 a ) of the base member ( 10 ), a second projection ( 12 ) formed on the inner surface ( 10 a ) and having a height from the inner surface ( 10 a ) higher than a height of the first projections ( 11 ), a protective base member ( 13 ) arranged in an opposite relation to the inner surface ( 10 a ) of the base member ( 10 ), a bonding layer ( 14 ) for bonding the second projection ( 12 ) and the protective base member ( 13 ), and gaps ( 15 ) defined between the first projections ( 11 ) and between the first projection ( 11 ) and the second projection ( 12 ), wherein the first projections ( 11 ) include reflective surfaces ( 11 c 2 ) at which light incoming from an outer surface ( 13 b ) side of the protective base member ( 13 ) or the base member ( 10 ) is totally reflected.

DAYLIGHTING DEVICE, DAYLIGHTING SYSTEM, AND METHOD OF MANUFACTURING DAYLIGHTING DEVICE

A daylighting device including: a transparent base material; a plurality of daylighting sections disposed on a first face of the base material; and gap portions provided between the daylighting sections, wherein: the daylighting device has daylighting areas in which light is transmitted through the daylighting sections and light-transmitting areas in which light is transmitted through the base material without passing through the daylighting sections; and the daylighting areas and the light-transmitting areas are arranged so as to alternate in at least one direction in a plane of the first face. 1. A daylighting device comprising:a transparent base material;a plurality of daylighting sections disposed on a first face of the base material; andgap portions provided between the daylighting sections,wherein:the daylighting device has daylighting areas in which light is transmitted through the daylighting sections and light-transmitting areas in which light is transmitted through the base material without passing through the daylighting sections; andthe daylighting areas and the light-transmitting areas are arranged so as to alternate in at least one direction in a plane of the first face.2. The daylighting device according to claim 1 , wherein the daylighting areas and the light-transmitting areas are arranged like alternating stripes when viewed normal to the base material.3. The daylighting device according to claim 1 , wherein the daylighting areas and the light-transmitting areas are arranged in a checkerboard pattern when viewed normal to the base material.4. The daylighting device according to claim 1 , wherein the daylighting areas and the light-transmitting areas are arranged in a non-periodic fashion in a single direction in the plane of the first face when viewed normal to the base material.5. The daylighting device according to claim 1 , wherein the light-transmitting areas have a lower light transmittance than do the daylighting areas.6. The daylighting ...

Dynamic Light Control System And Methods For Producing The Same

The present application describes dynamic light control system that, can dynamically adapt to different sun positions and interior lighting levels. The dynamic light control system, includes two or more confinement panes and one or more light redirecting elements positioned therebetween. The light redirecting elements are arranged to deform the light redirecting elements in response to a change in the position of the sun. In addition, one or more fluidic-channels are formed between the light redirecting elements and the confinement panels, that can be filled with any desired fluid to provide additional dynamic changes depending on the desired characteristics. 1. A dynamic light control system , comprising:two or more confinement panes;one or more light redirecting elements positioned between said two or more confinement panes, wherein said light redirecting elements comprise a deformable material; andone or more fluidic channels formed between said plurality of light redirecting elements and said two or more confining panes;wherein said one or more light redirecting elements are arranged to deform relative to the position of said two or more confinement panes in response to one or more stimuli to allow redirection of light.2. The dynamic light control system of claim 1 , further comprising a fluid flow mechanism capable of inputting and removing fluid into and out of said one or more fluidic channels.3. The dynamic light control system of claim 1 , wherein said one or more light redirecting elements are transparent in the bulk state.4. The dynamic light control system of claim 1 , wherein said one or more light redirecting elements have an index of refraction that is about 1.2 to about 1.8.5. The dynamic light control system of claim 1 , wherein the thickness of the light redirecting elements ranges from about 10 μm to about 2 mm.6. The dynamic light control system of claim 5 , wherein the aspect ratio of the light redirecting elements range from about 1 to 20.7. ...

LIGHTING DEVICE

Provided is a lighting device capable of manipulating a wider range of parameters to reproduce various light sources. A light source unit includes, for example, a liquid crystal panel and a backlight, and each pixel is a light source capable of adjusting innumerable hues and intensities capable of adjusting hue and intensity. A lenticular lens includes an array of a plurality of lenticules, and is arranged such that a plurality of light sources capable of adjusting hue and intensity is associated with each lenticule. In addition, on the outer periphery of the cylindrical portion of each lenticule, a partition is formed to block emission light from the pixel below the adjacent lenticule, thereby preventing repetition. 1. A lighting device , comprising:a light source unit that includes a plurality of light sources in a two-dimensional array; anda light ray control unit configured to control a respective radiation direction of each light source of the plurality of light sources, whereinthe light ray control unit includes a lenticular lens,the lenticular lens includes a plurality of lenticules,an upper surface of each lenticule of the plurality of lenticules is a convex surface, andthe convex surface of a specific lenticule of the plurality of lenticules is asymmetric with respect to a center of the specific lenticule.2. The lighting device according to claim 1 , wherein the light source unit further includes a louver configured to limit an incident angle of light incident on the lenticular lens.3. The lighting device according to claim 1 , wherein a side surface of each lenticule of the plurality of lenticules includes an opaque portion.4. The lighting device according to claim 3 , whereinthe opaque portion of a first lenticule of the plurality of lenticules is configured to block light incident on the lenticular lens from a set of light sources of the plurality of light sources,the set of light sources is associated with a second lenticule of the plurality of ...

DAYLIGHTING SYSTEM

A daylighting system includes a sheet-like light control member disposed on at least an upper part of a daylighting opening, and a shade disposed oppositely to at least a part of the opening, the part being below the part where the light control member is disposed. The light control member is configured to change upward a traveling direction of incident light and allow the incident light to pass through the light control member. 1a sheet-like light control member disposed on at least an upper part of a daylighting opening, the light control member being configured to change upward a traveling direction of incident light and allow the incident light to pass therethrough;a shade disposed oppositely with respect to at least a part of the daylighting opening that is below the upper part of the daylighting opening where the light control member is disposed; anda window member installed on the daylighting opening, the window member supporting the light control member,wherein the light control member includes transparent first portions that extend in a first direction that is nonparallel with respect to an up-and-down direction and that are arranged in a second direction that is nonparallel with respect to the first direction, and second portions that are arranged along the second direction alternately with the first portions, the second portions having a refractive index that is different from that of the first portions, andwherein in a plane along a normal direction to the light control member and the second direction, an angular range including an outgoing direction of light going out from the light control member, the light having been totally reflected on an interface between the first portions and the second portions and passed through the light control member, is smaller than an angular range including an incident direction of the light incident on the light control member.. A daylighting system comprising: This application is a continuation of U.S. application Ser. ...

DAYLIGHTING ILLUMINATION SYSTEM

A daylight illumination system for integration into a building or larger vehicle comprises a translucent facade element () containing a glass sheet and a light redirection element ( or ), and a light transport channel () for guiding light about horizontally into an interior of the building, the light transport channel comprising one opening attached to the interior side of said facade element and at least one opening towards the interior of the building, characterised in that the light redirection element ( or ) is formed as a structured polymer film or sheet attached to a glass sheet of the facade element () and is configured for changing the direction of incident light into the about horizontal light transport channel. 118.-. (canceled)19. Daylight illumination system for integration into a building or a vehicle , the daylight illumination system comprising{'b': 800', '302', '708', '801, 'a translucent facade element () or wall element containing a glass sheet and a light redirection element ( or ), and a light transport channel () for guiding light about horizontally into an interior of the building or vehicle, the light transport channel comprising one opening attached to the interior side of said facade element or wall element and at least one opening towards the interior of the building or vehicle, characterised in that'}{'b': 302', '708', '800, 'the light redirection element ( or ) is formed as a structured polymer film or sheet attached to a glass sheet of the facade element () or wall element and is configured for changing the direction of incident light into the about horizontal light transport channel.'}20. Daylight illumination system of for integration into a building claim 19 , the daylight illumination system comprising{'b': 800', '302', '708', '801, 'a translucent facade element () containing a glass sheet and a light redirection element ( or ), and a light transport channel () for guiding light about horizontally into an interior of the building, ...

SOLAR SHADING PANEL FOR NORTH AND SOUTH SIDES

A solar shading panel for use in north and south sides of a building is described, where the solar shading panel is effective in preventing against direct sunlight partially or throughout the year without angle adjusting equipment, while allowing building occupants to perceive external views at all times. The solar shading panel includes a frame and an opaque panel with spacing perforates attached to hollow cylinders. An upper portion of the hollow cylinders can be configured to protect against direct light and a lower portion of the hollow cylinders can be configured to receive and reflect natural light into the building. 1. A solar shading panel for north and south sides configured for installation in a building , comprising:a frame, andan opaque panel having a plurality of spacing perforates, the opaque panel being attached to a plurality of hollow cylinders configured to provide natural light and an external view when installed, wherein an upper portion of each of the plurality of hollow cylinders is configured to protect against direct light partially or throughout the year, and a lower portion of each of the plurality of hollow cylinders is configured to receive and reflect natural light into the building.2. The solar shading panel for north and south sides of claim 1 , wherein each of the plurality of hollow cylinders has an extended portion or a depth having a proportion between 0.3-0.6 of its diameter.34-. (canceled)5. The solar shading panel for north and south sides of claim 1 , wherein each of the plurality of hollow cylinders is tilted and has a tilt angle sloping downwards towards a back of the solar shading panel.6. The solar shading panel for north and south sides of claim 5 , wherein the tilt angle of a section plane and a vertical plane of each of the plurality of hollow cylinders is equal to a latitude of an installation location ±10 degrees.7. The solar shading panel for north and south sides of claim 6 , wherein the opaque panel has a perforated ...

Optical Film Stack for Light Duct

A film stack reflects incident light in some areas and transmits incident light in other areas, and it redirects incident light with one or more structured surfaces. The spatially variable reflection and transmission is achieved at least in part with reflective strips, and the reflective strips are attached to a first major surface of a structured optical film in the film stack. A second major surface of the structured optical film, opposite the first major surface, attaches to a substrate. The reflective strips attach to the structured optical film by a first discontinuous adhesive layer, having first adhesive areas. The structured optical film attaches to the substrate by a second discontinuous adhesive layer, having second adhesive areas. A major portion of the first adhesive areas, and a major portion of the second adhesive areas, is circumscribed by the reflective strips. The film stack may be part of a light duct.

SUNLIGHT ILLUMINATION SYSTEM HAVING LIGHT INTENSITY ADJUSTMENT FUNCTION

A sunlight illumination system includes a light collection device, a first light reflection polarizer, a second light reflection polarizer, and a third light reflection polarizer. The light collection device collects sunlight. The first light reflection polarizer splits the collected sunlight into a TE polarized light and a TM polarized light. The TM polarized light transmits through the first light reflection polarizer. The TE polarized light is reflected by the first light reflection polarizer. The TM polarized light is perpendicular to the TE polarized light. The second light reflection polarizer is positioned in an optical path of the TM polarized light and is rotated to adjust a light intensity of the TM polarized light. The third light reflection polarizer is positioned in an optical path of the TE polarized light and is rotated to adjust a light intensity of the TE polarized light. 1. A sunlight illumination system , comprising:a light collection device configured to collect sunlight;a first light reflection polarizer configured to split the collected sunlight into a TE polarized light and a TM polarized light, the TM polarized light transmitted through the first light reflection polarizer, the TE polarized light reflected by the first light reflection polarizer, the TM polarized light perpendicular to the TE polarized light;a second light reflection polarizer positioned in an optical path of the TM polarized light transmitted through the first light reflection polarizer, the second light reflection polarizer configured to be rotated to adjust a light intensity of the TM polarized light; anda third light reflection polarizer positioned in an optical path of the TE polarized light, the third light reflection polarizer configured to be rotated to adjust a light intensity of the TE polarized light.2. The sunlight illumination system of claim 1 , wherein the light collection device comprises a first convex lens and a second convex lens claim 1 , focuses of the ...

OPTICAL STRUCTURES FOR REDIRECTING DAYLIGHT

Window glass having sun-facing daylight redirecting optical structures with an embedded surface diffuser patterned on them. The optical structures are generally linear and formed from a repeating unit cell. Each unit cell has a base, two or more peaks opposite the base, and at least one curved side between the base and the peaks. The other sides between the base and the peaks can be substantially straight, curved, or a series of facets approximating a curve. 1. An optical structure for redirecting daylight , comprising:a base;at least two peaks; andsides extending between the base and the peaks,wherein at least one of the sides is curved.2. The optical structure of claim 1 , wherein another one of the sides is substantially straight.3. The optical structure of claim 1 , wherein another one of the sides comprises a series of facets approximating a curve.4. The optical structure of claim 1 , wherein the two peaks have different heights from the base.5. The optical structure of claim 1 , further comprising three peaks with the sides extending between the base and the three peaks.6. The optical structure of claim 5 , wherein each of the three peaks has a different height from the base from the other two peaks.7. An optical structure for redirecting daylight claim 5 , comprising:a base;at least two peaks; andsides extending between the base and the peaks,wherein at least one of the sides is curved, andthe base has a surface diffuser.8. The optical structure of claim 7 , wherein another one of the sides is substantially straight.9. The optical structure of claim 7 , wherein another one of the sides comprises a series of facets approximating a curve.10. The optical structure of claim 7 , wherein the surface diffuser comprises a roughened surface of the base.11. The optical structure of claim 7 , wherein the two peaks have different heights from the base.12. An optical structure for redirecting daylight claim 7 , comprising:a base;at least two peaks;sides extending between ...

LIGHT REDIRECTING FILM CONSTRUCTIONS AND METHODS OF MAKING SAME

Articles and methods of making light redirecting film constructions including a micro structured optical film bonded in selected areas to another film, and including a diffuser are described. The diffuser has an optical haze in the range of (20) to (85) percent and an optical clarity of no greater than (50) percent. The diffuser may be a surface diffuser and may be an asymmetric surface diffuser. 1. An article comprising:a light redirecting layer comprising a first major surface and a second major surface;one or more barrier elements;an adhesive layer;wherein the light redirecting layer comprises one or more microstructured prismatic elements at its first major surface defining a light redirecting area;wherein the total surface area of the one or more barrier elements is greater than 60% of the light redirecting area;wherein the adhesive layer comprises a first major surface and a second major surface;wherein the first major surface of the adhesive layer has a first region and a second region;wherein the first region of the first surface of the adhesive layer is in contact with one or more barrier elements;wherein the second region of the first surface of the adhesive layer is in contact with one or more microstructured prismatic elements;wherein the article allows transmission of visible light; andwherein either at least one of the one or more barrier elements or an optional diffuser disposed adjacent the light redirecting layer or adjacent the adhesive layer has an optical haze of 20 to 85 percent and an optical clarity of no more than 50 percent.2. The article of claim 1 , wherein the optical haze is in a range of 20 to 75 percent and the optical clarity is in a range of 5 to 40 percent.3. The article of claim 1 , wherein the optical haze is in a range of 25 to 65 percent and the optical clarity is in a range of 7 to 37 percent.4. The article of claim 1 , wherein the optical haze is in a range of 30 to 60 percent and the optical clarity is in a range of 10 to 35 ...

MODULAR DISTRIBUTION SYSTEM

At least some aspects of the present disclosure feature a modular distribution system including a plurality of ducts connected in sequence and an attachment device configured to attach two adjacent ducts. At least one of the plurality of ducts includes a longitude axis, a plurality of coated panels, a plurality of rails disposed parallel to the longitude axis, each of the plurality of rails configured to receive the coated panels, and an end frame disposed generally perpendicular to the longitude axis and proximate one of the two ends of a coated panel. 1. A modular lighting distribution system , comprising: a longitude axis,', 'one or more coated panels, each coated panel having two sides and two ends,', 'an interior surface, at least part of the interior surface is coated with a light reflective material,', 'a rail disposed generally parallel to the longitude axis and configured to receive at least one of the two sides of a coated panel, and', 'an end frame disposed generally perpendicular to the longitude axis and proximate one of the two ends of a coated panel; and, 'a first light duct and a second light duct connected in sequence, each of the first and the second light ducts comprisingan attachment device configured to attach the end frames of the first and the second light ducts.2. The modular lighting distribution system of claim 1 , wherein the attachment device is a spring clip having two edges claim 1 , wherein the end frame has an recess area for receiving an edge of the spring clip.3. The modular lighting distribution system of claim 1 , wherein one of the one or more coated panels of each of the first and the second light ducts has a light output region claim 1 , and wherein the light output regions of the first and the second light ducts have different light transmission rates from each other.4. The modular lighting distribution system of claim 3 , wherein the light output region of one of the one or more coated panels of each of the first and the ...

Electromagnetic radiation collecting and directing device

An electromagnetic radiation collecting and directing apparatus is described herein. The electromagnetic radiation collecting and directing apparatus facilitates directing light from an exterior of a structure to an interior of a structure. The directed light is then distributed as necessary within the structure for heating, illumination, or is stored for use at a later time.

Louver Assembly

A generally plano rectangular louvers are capable of being ganged in a stacked tiltable array to enhance light re-direction when titled to follow the solar elevation. Combinations of features and optical characteristic avoid optical artifacts and enhance efficiency of light utilization and manufacturing. Different louvers can be combined in alternative ways in such arrays. 1) A louver , comprising:a) a generally rectangular planar support member having;b) an upper surface and a lower surface opposite the upper surface,c) an elongated front side on a side orthogonal to the plane of the upper surface, and an elongated back side opposed to and parallel with the front side,d) a right side on another side that is orthogonal to both the upper surface and the front side, and a left side opposite the front side that is parallel to the right side,e) a light redirecting structure that is at least one of attached to and disposed within the planar support member, the light redirecting structure comprising a plurality of spaced apart light reflective surfaces that terminate at corners, wherein the light reflecting surface thereof extend across the planar support member from the front side to the back side in which each light reflective surface faces the front or back side,f) wherein the light reflective surfaces are operative to increase the width of a main specular re-directed beam of incident light by at least about ±1°.2) The louver according to wherein the light reflective surfaces are operative to increase the width of a main specular re-directed beam of incident light by at least about ±2°.3) The louver according to wherein the light reflective surfaces are operative to increase the width of a main specular re-directed beam of incident light by at least about ±4°.4) The louver according to wherein the light reflective surfaces have a portion that is parallel to the opposing surface of each optical element and a portion that deviates in angle by up to at least about 2°.5) ...

Transflective light adjusting film and the method for manufacturing thereof

The present invention is to provide a transflective light adjusting film, which includes a transparent substrate and a plurality of transparent grating-like stripe structures which are parallel to each other on the substrate. The transparent grating-like stripe structures have a plurality of top surfaces and a plurality of grooved surfaces, wherein a reflective layer is disposed on the grooved surfaces.

Daylight collectors with thermal control

Lighting devices and methods for providing daylight to the interior of a structure are disclosed. Some embodiments disclosed herein provide a daylighting device including a tube having a sidewall with a reflective interior surface, a light collecting assembly, and a light reflector positioned to reflect daylight into the light collector. In some embodiments, the light collector is associated with one or more light-turning and/or light reflecting structures configured to increase the amount of light captured by the daylighting device. Optical elements may allow for the absorption and/or selective transmission of infrared light away from an interior of the daylighting device.

SPECTRALLY CONTROLLABLE LIGHT VALVE

A system may include: a light valve exposed to incident light from an external light source. The light valve may independently modulate multiple wavelength bands of the incident light that are transmitted through the light valve and into an environment that the system illuminates. A control system can operate the light valve to control a spectral distribution of light transmitted through the light valve. 1. A system comprising:a light valve exposed to incident light from an external light source, the light valve independently modulating a plurality of wavelength bands of the incident light transmitted through the light valve and into an environment that the system illuminates; anda control system connected to operate the light valve to control a spectral distribution of light transmitted through the light valve.2. The system of claim 1 , wherein the plurality of wavelength bands includes at least three wavelength bands.3. The system of claim 1 , wherein the plurality of wavelength bands includes at least five wavelength bands.4. The system of claim 1 , wherein the light valve comprises a plurality of layers respectively corresponding to the plurality of wavelength bands claim 1 , wherein each layer transmits a controllable fraction of incident light in the corresponding wavelength band.5. The system of claim 4 , wherein the layers are stacked so that light passing through the light valve sequentially passes through the layers.6. The system of claim 4 , wherein the layers in the light valve occupy respective areas that are laterally spaced apart.7. The system of claim 1 , wherein the external light source is outside of a building and the environment is inside the building.8. The system of claim 7 , further comprising a manmade light source operable to illuminate the light valve.9. The system of claim 1 , wherein the incident light comprises direct claim 1 , reflected claim 1 , or scattered daylight.10. The system of claim 1 , further comprising a frame to mount the ...

Optical distributor for room lighting

An optical distributor ( 10 ) is formed as a reflector with one or more sloping surfaces. The sloping surfaces have varying angles of inclination from a bottom edge ( 20 ) to a top edge of the reflector. The sloping surfaces may form a substantially pyramidal or conical frustum-shaped surface. The sloping surfaces may additionally or alternatively form a band of adjacent or contiguous faceted surfaces. The reflector is configured to receive light rays through an opening ( 32 ) in a first plane ( 30 ) and reflect light rays radially outward and upward at varying angles of reflection ( 8 B) to a bottom surface of the first plane ( 30 ) in a manner that illuminates both the bottom surface of the first plane ( 30 ) and an area ( 40 ) below the first plane ( 30 ). The reflected light may illuminate the first plane ( 30 ) and the area ( 40 ) below in a substantially uniform manner.

NEXT GENERATION OF LIGHT-EMITTING PLANT LONGER DURATION AND BRIGHTER

A light emitting plant can include a long duration emissive material. 1. A light emitting plant , comprising:a plant structure and a light capacitor in a portion of the plant structure.2. The light emitting plant of claim 1 , wherein the light capacitor is phosphorescent.3. The light emitting plant of claim 1 , wherein the light capacitor is a phosphorescent microparticle or nanoparticle.4. The light emitting plant of claim 1 , wherein the light capacitor scavenges additional energy from solar fluence claim 1 , increasing and augmenting total light emission from the plant.5. The light emitting plant of claim 1 , wherein the plant further includes a second emissive component.6. The light emitting plant of claim 1 , wherein the light capacitor is a phosphorscent nanoparticle including a strontium aluminate.7. The light emitting plant of claim 1 , wherein the light capacitor is distributed inside plants leaves in spongy mesophyll region without penetration inside plants cell.8. The light emitting plant of claim 1 , wherein the light capacitor is distributed inside the plant's stem.9. The light emitting plant of claim 1 , wherein the light capacitor is a coated particle.10. The light emitting plant of claim 9 , wherein the silica coated particle is a silica coated strontium aluminate.11. The light emitting plant of claim 1 , wherein the silica coated strontium aluminate is phosphorescent.12. A plant claim 1 , comprising:a light generator; anda light capacitor for upconverting absorbed light to a wavelength absorbed by the light generator,wherein the light generator and the light capacitor are within a structure of the plant.13. A method of generating light from a plant comprising:generating light in the plant with a light capacitor within the plant.14. The method of claim 13 , further comprising:storing energy from the light in the light capacitor; andreleasing photons from the light capacitor, wherein the light capacitor is in a plant.15. The method of claim 13 , ...

DAYLIGHTING SYSTEM, DAYLIGHTING METHOD, AND BUILDING

A daylighting system () according to one aspect of the invention includes a daylighting apparatus () and an artificial light source apparatus () that emits light toward the daylighting apparatus (). The daylighting apparatus () includes a base material () having light transmission property, and a plurality of daylighting portions () that are provided on a first surface of the base material (), have light transmission properties and reflect light incident from a light incident end surface on a reflection surface. The artificial light source apparatus () emits at least light that enters the daylighting portions () from the light incident end surface and travels toward the reflection surface. 1. A day lighting system comprising:a daylighting apparatus; andan artificial light source apparatus that emits light toward the daylighting apparatus,wherein the daylighting apparatus includes a base material having light transmission property, and a plurality of daylighting portions that are provided on a first surface of the base material, have light transmission property, and reflect light incident from a light incident end surface on a reflection surface, andwherein the artificial light source apparatus emits at least light that enters the daylighting portions from the light incident end surface and travels toward the reflection surface.2. The daylighting system according to claim 1 , wherein the artificial light source apparatus emits light having directivity.3. The daylighting system according to claim 2 , wherein the artificial light source apparatus includes a planar light emitter.4. The daylighting system according to claim 3 ,wherein the planar light emitter includes a light emitting element, and a light guide member that causes natural light or illumination light to be transmitted and that causes light emitted from the light emitting element to be incident from a light incident end surface, to be guided through an inside of the light guide member, and to be emitted ...

MULTIPLE SUNLIGHT COLLECTION STRUCTURE

The present invention relates to a method for collecting sunlight through an image method by tracking the sun using a dish-shaped light collector or a paraboloidal light collector and, and to a method and an apparatus for transmitting high-density light as the collected sunlight to a remote place, to which the light is applied, and for generating super-high-density light by combining, in a multi-stage manner, the high-density light obtained through a plurality of light collectors. A first concaveparaboloidal reflector of a paraboloidal light collection unit can collect light, transmit the collected light to the remote place, and provide an efficient and quantitative use environment to an applied device by using a paraboloidal reflector set including: a first concave-paraboloidal mirror in which a slope of a paraboloide is provided to make a narrow width so that downward reflection is greater than or equal to 90% by an angle between an incident angle at an inner point of a paraboloidal mirror and a normal surface, the angle being larger than a critical angle, and which has an opening formed at the lower side of a central axis thereof; and a second convex-paraboloidal reflector, which has a small diameter, shares a focus of the first concave-paraboloidal mirror, and has a miniaturized shape of the first concave-paraboloidal mirror at a focal portion without an opening at a central axis thereof. 1. Multiple sunlight collection structure , comprising a plurality of sunlight collecting structures and a sunlight collection unit ,wherein a sunlight collecting structure transmits parallel light outside after the multiple sunlight collection structure collects sunlight by performing total reflection of sunlight in parallel and concentrating sunlight by combining multiple collected sunlight in a multistage manner,wherein the sunlight collecting structure transmits sunlight in parallel outside the multiple sunlight collection structure after collecting sunlight by performing ...

DEVICE AND METHOD FOR REDUCING THE DAZZLE EFFECT IN A ROOM OF A BUILDING

A device comprising a dimmable panel comprising a plurality of individually dimmable cells attached to a window glass, an optical sensor to detect an image of one or more objects, a computation unit, communicably coupled to the dimmable panel and the optical sensor, to: i) cause to darken one or more cells of the plurality of individual dimmable cells of the dimmable panel, ii) cause the optical sensor to capture an image of the one or more objects, and, iii) determine, based on the image, whether a shadow is cast on the one or more objects due to the one or more darkened cells. 115-. (canceled)16. A device , comprising:a dimmable panel comprising a plurality of individually dimmable cells attached to a window glass;an optical sensor to detect an image of one or more objects; and i) cause to darken one or more cells of the plurality of individual dimmable cells of the dimmable panel,', 'ii) cause the optical sensor to capture an image of the one or more objects, and', 'iii) determine, based on the image, whether a shadow is cast on the one or more objects due to the one or more darkened cells., 'a computation unit, communicably coupled to the dimmable panel and the optical sensor, to17. The device according to claim 16 , wherein the computation unit is further to identify one or more shadow cells of the plurality of individually dimmable cells of the dimmable panel which cause that the shadow is cast on the one or more objects by darkening the one or more shadow cells claim 16 , when illuminated by a light source.18. The device according to claim 16 , wherein the computation unit is further to repeat the steps i) to iii) for different cells of the panel until the shadow is cast on the one or more objects.19. The device according to claim 16 , wherein the one or more objects are one or more persons in a room of a building claim 16 , and wherein the room is illuminated by a light source through the winder glass.20. A device claim 16 , comprising:a dimmable panel ...

Optical element of linear Fresnel lens type has optically active surface parts approximately describing asymmetrical single axis lens surface if taken in sequence, disregarding inactive parts

The device has a structured front (E) with optically active parts (A) for imaging with the light passing through the element, optically inactive parts (B) for reducing the thickness of the element and a rear side (F). The optically active parts of the surface approximately describe the surface of an asymmetrical single axis lens when taken in sequence and disregarding the inactive parts.

Vorrichtung zur Lenkung von Lichtstrahlen

Vorrichtung zur Lenkung von Lichtstrahlen, bestehend aus einem lichtdurchlässigen, vorzugsweise transparenten, flächigen Substrat (1), auf dem einseitig oder beidseitig lichtlenkende Strukturen ausgebildet sind, wobei die lichtlenkenden Strukturen aus einer Vielzahl von Elementen bestehen, wobei jedes Element aus einer Vielzahl von Tröpfchen (2) besteht, die auf dem Substrat (1) mit einer planen Begrenzungsfläche abgelegt sind und deren etwa halbkugelige Wölbung von dem Substrat (1) abragt, wobei die Tröpfchen (2) unterschiedliche Durchmesser aufweisen, und die Tröpfchen (2) aus einem lichtdurchlässigen oder transparenten Material bestehen, dadurch gekennzeichnet, dass jedes Element mit der Vielzahl von Tröpfchen (2) ein Teil-Prisma oder eine Teil-Linse oder eine andere bestimmte Optik bildet, und dass die Vielzahl von Elementen nebeneinander auf dem Substrat (1) derart abgelagert sind, dass sie zusammen eine gemeinsame lichtlenkende Struktur in Form eines Prismas, einer Linse oder einer Fresnel-Struktur bilden.

Daylighting film, daylighting film forming mold, daylighting film manufacturing method

光透過性を有する基材（１１）と、基材（１１）の一方の面（１１ａ）に互いに隣接して設けられた複数の光透過性を有する第１の突起部（１２）と、第１の突起部（１２）同士の間に設けられた空隙部（１３）と、基材（１１）の一方の面（１１ａ）において、空隙部（１３）の少なくとも１つに、第１の突起部（１２）に隣接して設けられ、第１の突起部（１２）と同一の材質からなる、少なくとも１つの第２の突起部（１４）と、を備え、第２の突起部（１４）の基材（１１）の一方の面（１１ａ）を基準とする高さは、第１の突起部（１２）の基材（１１）の一方の面（１１ａ）を基準とする高さよりも低い採光フィルム（１０）。 A light-transmitting base material (11), a plurality of light-transmitting first protrusions (12) provided adjacent to each other on one surface (11a) of the base material (11), The first protrusion is formed on at least one of the gaps (13) in the gap (13) provided between the one projections (12) and the one surface (11a) of the substrate (11). At least one second protrusion (14) made of the same material as the first protrusion (12), which is provided adjacent to the portion (12), and the second protrusion (14) The height based on the one surface (11a) of the base material (11) is lower than the height based on the one surface (11a) of the base material (11) of the first protrusion (12). Daylighting film (10).

독립형 자연채광장치

본 발명에서는 채광효율을 높인 독립형 자연채광장치에 관한 것으로서, 입사면을 직집투과부, 1차반사부, 포물선반사부로 구성하여 채광되는 빛의 손실을 감소시켰다. 이는, 태양광이 직접입사되어 채광덕트(20)로 유도되는 직접투과부와, 태양광이 1차례의 반사에 의해 채광덕트로 입사되는 1차반사부와, 태양광이 하나의 초점으로 모아질수 있도록 하나의 포물선형상을 갖는 포물선반사부와, 상기 포물선 반사부에서 반사되는 태양광을 채광덕트로 직접유도하며 상기 포물선반사부와 초점을 공유하는 포물선형상으로 이루어진 2차반사판을 포함하여 이루어지며, 상기 2차반사판은 춘추분시 채광덕트에서 반사를 최소화할 수 있는 직하방으로 태양광을 유도하는 꼭지점과 2차반사판의 초점이 일직선상에 이루어지는 것에 의해 달성된다. 자연채광, 1차반사부, 포물선반사부, 직하방, 2차반사판, 섹션

光偏转与光漫射混合构造

本发明涉及一种阳光偏转窗用玻璃单元，该阳光偏转窗用玻璃单元包括光偏转和光漫射构造。所述阳光偏转窗用玻璃单元可以包括窗用玻璃基板、可见光漫射层和光偏转层，它们被取向成使得进入的阳光在触及光偏转层之前触及可见光漫射层。所述阳光偏转窗用玻璃单元可以包括窗用玻璃基板、图案化可见光漫射层和光偏转层。所述阳光偏转窗用玻璃单元可以包括两个窗用玻璃基板，这两个窗用玻璃基板被居间空间分隔开，使阳光偏转层设置在一个窗用玻璃基板上而可见光漫射层设置在另一个窗用玻璃基板上。

装饰灯

本发明提供了一种装饰灯，所述装饰灯采用诸如得自3M公司的光学照明膜(OLF)之类的棱镜膜、以及漫射性部分反射器。所述装饰灯为灯具产生设计风格和舒适度，并且能够使用诸如发光二极管(LED)之类的固态照明来产生光。所述装饰灯可以具有随所述光的视角而变化的外观。

Patent JPH0374808B2