EP1486722A2 - Lichtleitanordnung - Google Patents
Lichtleitanordnung Download PDFInfo
- Publication number
- EP1486722A2 EP1486722A2 EP04013546A EP04013546A EP1486722A2 EP 1486722 A2 EP1486722 A2 EP 1486722A2 EP 04013546 A EP04013546 A EP 04013546A EP 04013546 A EP04013546 A EP 04013546A EP 1486722 A2 EP1486722 A2 EP 1486722A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- light
- wedge
- arrangement according
- shaped reflector
- reflector body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S11/00—Non-electric lighting devices or systems using daylight
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S19/00—Lighting devices or systems employing combinations of electric and non-electric light sources; Replacing or exchanging electric light sources with non-electric light sources or vice versa
- F21S19/005—Combining sunlight and electric light sources for indoor illumination
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
Definitions
- the present invention relates to a Lichtleitanssen with at least one Light guide channel for the transport of light, in particular sky and / or sunlight, within the Lichtleitkanals with up to at least one light inlet opening and at least one light exit opening closed walls.
- Generic Lichtleitanssenen usually referred to as light pipes are in the Usually arranged in the ceiling of buildings and serve to daylight or Directing sunlight into the interior of premises.
- the in the prior art On the one hand known light pipes have the disadvantage that on the way from the Light entrance opening to the light exit opening lost a significant part of the luminous flux goes.
- the light distribution at the light exit opening is dependent on the position of the sun and usually does not correspond to the light distribution necessary for optimal illumination of the Room or the specially concentrated lighting of individual areas is desired.
- Object of the present invention is therefore to provide a generic Lichtleitan extract in to further develop the way that the disadvantages mentioned are eliminated.
- a Lichtablenksystems which usually from the Half-space above the light inlet opening in the Lichtleitkanal incident light on a narrows narrower lying about the longitudinal axis of the Lichtleitkanals angular range, can Firstly, a suppression and thus concentration of the Light emission opening radiated light on defined areas of the illuminated Room can be achieved.
- the concentration of light becomes narrower Angle ranges but also the number of reflections of the light in Lichtleitkanal and the reduced reflection losses, so that the light transmission of the Lichtleitkanals is increased overall. This means that a larger proportion of the in the Light entrance opening incident light then actually to the lighting of the room can be used in the desired areas.
- the one or more wedge-shaped reflectors have one end face and two on each other tapered wedge surfaces.
- the wedge surfaces as well as the front side can be flat or curved and arranged at different angles to each other.
- a first group of embodiments provides in this case that the Lichtablenksystem at least one arranged on the inside of the wall of the Lichtleitkanals, essentially having wedge-shaped reflector body.
- a Lichtablenksystem in shape at least one substantially wedge-shaped reflector body is arranged and the the essentially wedge-shaped reflector body surrounding wall to your Reflector body facing inside at least partially reflective, preferably highly reflective, is formed.
- the effect of this inside the light guide channel arranged reflector body unfolds in interaction with the reflective, preferably highly reflective, inner walls of the Lichtleitkanals.
- preferred Variants provide here that the Lichtablenksystem a sequence of two or a plurality, preferably arranged substantially in a row, substantially having wedge-shaped reflector body.
- the light deflection system crossed at least two, essentially wedge-shaped reflector body or at least two crossed sequences of substantially having wedge-shaped reflector bodies.
- the substantially wedge-shaped reflector body are arranged in the manner the end face of the reflector body faces the light inlet opening of the light guide channel.
- Fig. 1 shows schematically a first simple inventive embodiment.
- the light entrance angle 2 ⁇ thus comprises an angle of 180 °.
- a lens assembly be provided.
- preferred variants provide essentially wedge-shaped To provide reflector body 5 in the interior or on the wall 4 of the Lichtleitkanals.
- Fig. 2 shows a variant in which the Lichtablenksystem 5 crossed from a arranged sequence of reflector bodies 6 is formed.
- the Lichtablenksystem 5 acts with the reflective, preferably highly reflective, trained inside of the Walls 4 of Lichtleitkanals 1 in such a way that the light in a narrower, around the longitudinal axis of the Lichtleitkanals lying angle range 2 ⁇ is deflected.
- the Lichtablenksystem 5 consists of a single wedge-shaped reflector body 6.
- the light deflection systems 5 shown in a section FIGS. 3 and 4 favorably extend rotationally symmetrically with respect to the longitudinal axis 23 of the light guide 1 over its entire wall 4.
- the reflective wedge surfaces 8 can at least partially but also at least partially, preferably be parabolic, curved.
- each has Reflector body 6 two reflective wedge surfaces 8 on.
- the embodiments according to 3 and 4 are each only the inwardly facing wedge surface 8 of the substantially wedge-shaped reflector body 6 formed reflective.
- Both the inside of the wall 4 and the wedge-shaped reflector surfaces 8 favorably have the highest possible Reflection on. Reflectances of at least 90% are preferred here, preferably at least 95%. Depending on the application, this can be a scattering white highly reflective surface but also a high gloss silvery be selected highly reflective surface.
- Reflectances of at least 90% are preferred here, preferably at least 95%.
- this can be a scattering white highly reflective surface but also a high gloss silvery be selected highly reflective surface.
- known Aluminiumbedampfungen can also in the prior art known highly reflective films, such as Alanod Miro hgl (reflectance at least 92%), Alanod Miro Silver hgl (reflectance at least 95%) or 3M-VM 2000 (reflectance at least 98%).
- a light-scattering disk 11 at the Light entrance opening 2 arranged.
- This can be designed as a dome. It is, however Other forms possible, as shown, inter alia, in Fig. 6e.
- FIGS. 6a to 6d show different possibilities, the disc 11 by a targeted Surface structure form light-scattering. This is essentially in parallel rays running light of the direct radiation of the sun is through the lens 11 to a widened with the cone 14 symbolically represented angle range, what the one Images of the sun suppressed in the room to be lit and on the other for one uniform illumination ensures.
- light diffusion disks 11 also be arranged at the light exit opening 3 of the light pipe.
- FIG. 7 shows an exploded view of an embodiment variant according to the invention
- a mirrored sunscreen 15 as he already in the state of Technique is known.
- FIGS. 8a to 8h various possibilities are exemplified Embodiment of the Lichtablenksystems 5 and the wall 4 in a plan view of the Light entrance opening of the light guide 1 shown.
- the wall 4, as well as the reflector body 6 inside the Lichtleitkanals 1 be pronounced in various forms.
- the almost complete half space is again included Light entrance angle range 2 ⁇ shown.
- the incident Steer steered steeper resulting in a suppression of the flat light emission at the Light exit opening 3 results, as shown by the light exit angle 2 ⁇ .
- the Lichtleitkanal can for example have a diameter between 20cm and 1 m, preferably of 80cm.
- the length 16 of the Lichtablenksystems 5 is for example between 50 cm and 75 cm, preferably 64 cm.
- Geometrically particularly favorable if the length 9 of the wedge surfaces 8 of each substantially wedge-shaped Reflector body 6 of the sequence with increasing distance from the light inlet opening. 2 increases.
- the length is 9 of the top in close to the light inlet opening 2 arranged substantially wedge-shaped Reflector body 6 3.5 cm.
- the length 9 of the last in the direction of the light exit opening 3 Reflector body 6 is 25.4 cm in the example shown.
- the width 10 of the end face 7 of essentially wedge-shaped reflector body 6 of the sequence is in the example shown Constantly selected.
- the shape of the Lichtablenksystems can rather to the respective geometry the Lichtleitkanals 1 and the desired Ausblendwinkel 2 ⁇ be adjusted.
- an artificial Light source 12 preferably in addition, be arranged on and / or in the light guide 1. So that the Lichtablenksystem 5 can develop its full effect, is the artificial Light source 12 on the side facing the light inlet opening 2 of the Lichtablenksystems 5, preferably in the middle in the light guide 1, arranged. It is preferably provided that the Artificial light a sky-like radiation quality or spectral composition having. A not-shown but known per se rule or Control device can ensure that the artificial light of the light source 12 depending on incidental amount of daylight is additionally contributed.
- Fig. 9c shows a variant in the two Lichtablenksysteme 5 in a row and are arranged opposite in the light guide. This can be a defined Sky space angle 2 ⁇ used or re-radiation of unwanted radiation angles be suppressed.
- the two in series Lichtablenksystem 5 is simultaneously a defined Ausblendwinkel 2 ⁇ at the Guaranteed light exit opening. In this case, the transmission losses in the light guide 1 reduced to a minimum. If you leave the lower Lichtablenksystem 5 away, it will turn off a defined solid angle 2 ⁇ incident light by the Lichtablenksystems 5 on divided the entire half-space below the light exit opening.
- Figs. 9c and 9d show only selected examples. Generally, by a suitable sequence of Light deflection systems each desired Ausblendwinkel 2 ⁇ and light entrance angle 2 ⁇ to get voted.
- FIGS. 10a to 10d show, by way of example, different designs of the Outer surfaces 7 and 8 of a sequence of substantially wedge-shaped reflector bodies 6.
- both the end faces 7 and the wedge surfaces 8 are reflective, preferably highly reflective, designed.
- the end surfaces are absorbent to a high To achieve fade quality.
- Fig. 10c shows an embodiment in which the End faces 7 are formed diffusely reflecting.
- FIG. 10d shows by way of example that the End faces 7 can be arranged at different angles to the wedge surfaces 8.
- the wedge surfaces 8 can be substantially planar in the exemplary embodiments shown be educated. Alternatively, however, a parabolic design of the Wedge surfaces 8, as well as other curved formations are used.
- Exemplary light distributions in a light 19 illuminated by the light guide 1 space are shown in FIG. 11.
- the curve labeled 20 indicates the relative light distribution Sunshine, if no diffuser 11 is arranged on the light pipe 2.
- the curve 21 In contrast, the light distribution in sunshine, when a lens 11 in front of the Light entrance opening 2 is arranged.
- the curve 22 shows the light distribution when covered Sky.
- the invention and its various design variants allow optimal Light coupling of daylight into a room to be illuminated, in addition or In addition to the daylight and artificial light can be provided.
- Lichtablenksystem 5 can distances in the light pipe 1 from 1 m to 5 m be bridged, without this unnecessarily high transmission losses occur.
- a desired Ausblendwinkel 2 ⁇ be set and / or the incident light only from desired Angular regions are taken 2 ⁇ .
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
- Fig. 1
- eine schematische Darstellung der Erfindung,
- Fig. 2 bis 4
- verschiedene erfindungsgemäße Ausführungsvarianten mit im Wesentlichen keilförmigen Reflektorkörpern,
- Fig.5
- das Ausführungsbeispiel aus Fig. 2 mit einigen beispielhaften Strahlenverläufen,
- Fig.6
- ein Ausführungsbeispiel mit zusätzlicher Streuscheibe an der Lichteintrittsöffnung,
- Fig. 6a bis 6d
- Detailansichten zu verschiedenen Ausbildungsformen der Oberfläche der Streuscheibe,
- Fig. 6e
- eine alternative Form der Streuscheibe,
- Fig. 7
- ein bevorzugtes Ausführungsbeispiel mit gekreuzten Abfolgen von Reflektorkörpern als Lichtablenksystem,
- Fig. 8a bis 8h
- Draufsichten auf verschiedene Ausbildungsformen des Lichtablenksystems und des Lichtleitkanals,
- Fig. 9a bis 9d
- verschiedenene Beispiele, wie mit erfindungsgemäß angeordneten Lichtablenksystemen definierte Ausblendwinkel erreicht werden können,
- Fig. 10a bis 10d
- verschiedene Ausbildungsformen der Keilflächen, der im wesentlichen keilförmigen Reflektorkörper und
- Fig. 11
- exemplarische Lichtverteilungen, welche mit einem erfindungsgemäßen Ausführungsbeispiel erreicht werden können.
Claims (15)
- Lichtleitanordnung mit mindestens einem Lichtleitkanal zum Transport von Licht, insbesondere Himmels- und/oder Sonnenlicht, innerhalb des Lichtleitkanals mit bis auf mindestens eine Lichteintritts- und mindestens eine Lichtaustrittsöffnung geschlossenen Wandungen, dadurch gekennzeichnet, dass im Bereich der Lichteintrittsöffnung (2) des Lichtleitkanals (1) ein Lichtablenksystem (5) zur Umlenkung des in die Lichteintrittsöffnung (2) eintretenden Lichts in einen schmaleren oder weiteren, um die Längsachse des Lichtleitkanals liegenden Winkelbereich (β ) angeordnet ist.
- Lichtleitanordnung nach Anspruch 1, dadurch gekennzeichnet, dass das Lichtablenksystem (5) mindestens einen an der Innenseite der Wandung (4) des Lichtleitkanals (1) angeordneten, im Wesentlichen keilförmigen Reflektorkörper (6) aufweist.
- Lichtleitanordnung mit mindestens einem Lichtleitkanal zum Transport von Licht, insbesondere Himmels- und/oder Sonnenlicht, innerhalb des Lichtleitkanals mit bis auf mindestens eine Lichteintritts- und mindestens eine Lichtaustrittsöffnung geschlossenen Wandungen, insbesondere nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass im Inneren des Lichtleitkanals (1) ein Lichtablenksystem (5) in Form mindestens eines im Wesentlichen keilförmigen Reflektorkörpers (6) angeordnet ist und die den im Wesentlichen keilförmigen Reflektorkörper (6) umgebende Wandung (4) auf Ihrer zum Reflektorkörper (6) weisenden Innenseite zumindest bereichsweise reflektierend, vorzugsweise hochreflektierend, ausgebildet ist.
- Lichtleitanordnung nach Anspruch 3, dadurch gekennzeichnet, dass das Lichtablenksystem (5) mindestens zwei gekreuzte, im Wesentlichen keilförmige Reflektorkörper (6) bzw. mindestens zwei gekreuzte Abfolgen von im Wesentlichen keilförmigen Reflektorkörpern (6) aufweist.
- Lichtleitanordnung nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass eine Stirnfläche (7) des Reflektorkörpers (6) zur Lichteintrittsöffnung (2) des Lichtleitkanals (1) weist.
- Lichtleitanordnung nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, dass der im Wesentlichen keilförmige Reflektorkörper (6) ein oder zwei zumindest bereichsweise ebene Keilflächen (8) aufweist.
- Lichtleitanordnung nach einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, dass der im Wesentlichen keilförmige Reflektorkörper (6) ein oder zwei zumindest bereichsweise, vorzugsweise im Wesentlichen parabelförmig, gekrümmte Keilflächen (8) aufweist.
- Lichtleitanordnung nach einem der Ansprüche 2 bis 7, dadurch gekennzeichnet, dass das Lichtablenksystem (5) eine Abfolge von zwei oder mehreren, vorzugsweise im Wesentlichen in einer Reihe angeordneten, im Wesentlichen keilförmigen Reflektorkörper (6) aufweist.
- Lichtleitanordnung nach Anspruch 8, dadurch gekennzeichnet, dass die Länge (9) der Keilflächen (8) der einzelnen, im Wesentlichen keilförmigen Reflektorkörper (6) der Abfolge mit zunehmendem Abstand von der Lichteintrittsöffnung (2) zunimmt.
- Lichtleitanordnung nach einem der Ansprüche 8 oder 9, dadurch gekennzeichnet, dass die Breite (10) der Stirnfläche (7) der im Wesentlichen keilförmigen Reflektorkörper (6) einer Abfolge konstant ist.
- Lichtleitanordnung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass, vorzugsweise an der Lichteintrittsöffnung (2) und/oder der Lichtaustrittsöffnung (3), zusätzlich eine lichtstreuende, vorzugsweise kuppelförmige, Scheibe (11) angeordnet ist.
- Lichtleitanordnung nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass mindestens eine, vorzugsweise alle Oberfläche(n) des Lichtablenksystems (5) und/oder die Innenseite der Wandung einen Lichtreflexionsgrad von mindestens 90%, vorzugsweise von mindestens 95% oder von mindestens 98%, aufweist (aufweisen).
- Lichtleitanordnung nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass mindestens eine künstliche Lichtquelle (12), vorzugsweise zusätzlich, am und/oder im Lichtleitkanal (1) angeordnet ist.
- Lichtlenkeinrichtung nach Anspruch 13, dadurch gekennzeichnet, dass die künstliche Lichtquelle (12) auf der zur Lichteintrittsöffnung (2) weisenden Seite des Lichtablenksystems (5), vorzugsweise mittig, im Lichtleitkanal (1) angeordnet ist.
- Lichtleitanordnung nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, dass sie mindestens zwei im Lichtleitkanal (1) hintereinander, vorzugsweise entgegengesetzt, angeordnete Lichtablenksysteme (5) aufweist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL04013546T PL1486722T3 (pl) | 2003-06-10 | 2004-06-09 | Układ światłowodowy |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0089803A AT413144B (de) | 2003-06-10 | 2003-06-10 | Lichtleitanordnung |
| AT8982003 | 2003-06-10 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| EP1486722A2 true EP1486722A2 (de) | 2004-12-15 |
| EP1486722A3 EP1486722A3 (de) | 2008-03-26 |
| EP1486722B1 EP1486722B1 (de) | 2010-12-29 |
| EP1486722B8 EP1486722B8 (de) | 2011-09-21 |
Family
ID=33163433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04013546A Expired - Lifetime EP1486722B8 (de) | 2003-06-10 | 2004-06-09 | Lichtleitanordnung |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1486722B8 (de) |
| AT (2) | AT413144B (de) |
| DE (1) | DE502004012042D1 (de) |
| DK (1) | DK1486722T3 (de) |
| PL (1) | PL1486722T3 (de) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008058576A1 (de) * | 2008-11-25 | 2010-05-27 | Georg-Simon-Ohm Hochschule für angewandte Wissenschaften Fachhochschule Nürnberg | Tageslichtnutzungssystem aus Optik-Wellenleiter-Einheit |
| EP2019887A4 (de) * | 2006-05-22 | 2011-11-09 | Solatube Int Inc | Oberlichtrohr mit reflektierender strukturierter fläche |
| NL2007670C2 (nl) * | 2011-10-28 | 2013-05-06 | Dnn Groep B V | Inrichting voor het afbuigen van daglicht, lichtombuigorgaan en werkwijze voor het plaatsen daarvan. |
| US9816676B2 (en) | 2015-03-18 | 2017-11-14 | Solatube International, Inc. | Daylight collectors with diffuse and direct light collection |
| US9816675B2 (en) | 2015-03-18 | 2017-11-14 | Solatube International, Inc. | Daylight collectors with diffuse and direct light collection |
| US9921397B2 (en) | 2012-12-11 | 2018-03-20 | Solatube International, Inc. | Daylight collectors with thermal control |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3124310A (en) | 1964-03-10 | lipscomb | ||
| DE3744288A1 (de) | 1987-12-28 | 1989-07-13 | Herbert Mitsch | Leuchte mit blendungsbegrenzungswinkel alpha <= 50(grad) fuer eine oder mehrere langgestreckte lampen |
| FR2743406A1 (fr) | 1996-01-10 | 1997-07-11 | Vial Henri Noel | Perfectionnement aux grilles de defilement pour eclairage de type fluorescent |
| US20030061775A1 (en) | 2001-03-30 | 2003-04-03 | Rillie David Windsor | Skylight tube with reflective film and surface irregularities |
| US20030079422A1 (en) | 2001-10-29 | 2003-05-01 | Energo Project S.R.L. | Tubular skylight for lighting rooms with natural light |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998055798A2 (en) * | 1997-06-04 | 1998-12-10 | Simon Jerome H | Reflective and refractive wave lens for light shaping |
| US5896712A (en) * | 1997-10-24 | 1999-04-27 | Solatube International, Inc. | Light-collecting skylight cover |
| JPH11160646A (ja) * | 1997-11-21 | 1999-06-18 | Sanyo Electric Co Ltd | 採光装置 |
| JPH11160647A (ja) * | 1997-11-21 | 1999-06-18 | Sanyo Electric Co Ltd | 採光装置 |
| CA2253024A1 (fr) * | 1998-10-13 | 2000-04-13 | Tony K. H. Massaad | Puits de lumiere |
| JP2001035219A (ja) * | 1999-07-21 | 2001-02-09 | Sanyo Electric Co Ltd | 太陽光採光システム |
-
2003
- 2003-06-10 AT AT0089803A patent/AT413144B/de not_active IP Right Cessation
-
2004
- 2004-06-09 DE DE502004012042T patent/DE502004012042D1/de not_active Expired - Lifetime
- 2004-06-09 DK DK04013546.9T patent/DK1486722T3/da active
- 2004-06-09 AT AT04013546T patent/ATE493611T1/de active
- 2004-06-09 EP EP04013546A patent/EP1486722B8/de not_active Expired - Lifetime
- 2004-06-09 PL PL04013546T patent/PL1486722T3/pl unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3124310A (en) | 1964-03-10 | lipscomb | ||
| DE3744288A1 (de) | 1987-12-28 | 1989-07-13 | Herbert Mitsch | Leuchte mit blendungsbegrenzungswinkel alpha <= 50(grad) fuer eine oder mehrere langgestreckte lampen |
| FR2743406A1 (fr) | 1996-01-10 | 1997-07-11 | Vial Henri Noel | Perfectionnement aux grilles de defilement pour eclairage de type fluorescent |
| US20030061775A1 (en) | 2001-03-30 | 2003-04-03 | Rillie David Windsor | Skylight tube with reflective film and surface irregularities |
| US20030079422A1 (en) | 2001-10-29 | 2003-05-01 | Energo Project S.R.L. | Tubular skylight for lighting rooms with natural light |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2019887A4 (de) * | 2006-05-22 | 2011-11-09 | Solatube Int Inc | Oberlichtrohr mit reflektierender strukturierter fläche |
| DE102008058576A1 (de) * | 2008-11-25 | 2010-05-27 | Georg-Simon-Ohm Hochschule für angewandte Wissenschaften Fachhochschule Nürnberg | Tageslichtnutzungssystem aus Optik-Wellenleiter-Einheit |
| NL2007670C2 (nl) * | 2011-10-28 | 2013-05-06 | Dnn Groep B V | Inrichting voor het afbuigen van daglicht, lichtombuigorgaan en werkwijze voor het plaatsen daarvan. |
| US9921397B2 (en) | 2012-12-11 | 2018-03-20 | Solatube International, Inc. | Daylight collectors with thermal control |
| US9816676B2 (en) | 2015-03-18 | 2017-11-14 | Solatube International, Inc. | Daylight collectors with diffuse and direct light collection |
| US9816675B2 (en) | 2015-03-18 | 2017-11-14 | Solatube International, Inc. | Daylight collectors with diffuse and direct light collection |
Also Published As
| Publication number | Publication date |
|---|---|
| DE502004012042D1 (de) | 2011-02-10 |
| EP1486722A3 (de) | 2008-03-26 |
| EP1486722B8 (de) | 2011-09-21 |
| DK1486722T3 (da) | 2011-04-11 |
| AT413144B (de) | 2005-11-15 |
| EP1486722B1 (de) | 2010-12-29 |
| PL1486722T3 (pl) | 2011-08-31 |
| ATA8982003A (de) | 2005-04-15 |
| ATE493611T1 (de) | 2011-01-15 |
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