公开(公告)号：WO2019063753A1

公开(公告)日：2019-04-04

申请号：PCT/EP2018/076386

申请日：2018-09-28

Applicant: COELUX S.R.L. ,  UNIVERSITÀ DEGLI STUDI DELL'INSUBRIA

Inventor： DI TRAPANI, Paolo ,  MAGATTI, Davide ,  MOLTENI, Matteo ,  RAGAZZI, Paolo

IPC: F21V11/08 ,  F21V13/10 ,  F21V9/02 ,  F21S8/02 ,  F21Y115/10

CPC classification number: F21V11/08 ,  F21S8/02 ,  F21V7/28 ,  F21V9/02 ,  F21V13/10 ,  F21Y2115/10

Abstract: In an aspect, an artificial illumination system comprises a plurality of sun (or sun-sky) imitating devices (340) that each are configured as an artificial illumination device for generating light comprising a directed-light component (314). Each directed-light component (314) is emitted from a respective sun imitating output area (342) of a respective sun imitating device (340) for imitating the natural light from the sun and features a peak in the luminance angular profile along a directed-light emitting direction (32) and a uniformity of the luminance angular profile over the sun imitating output area. The luminance angular profiles of the plurality of the sun imitating devices have the same directed-light emitting direction (32). The artificial illumination system comprises further a bezel cluster (400) comprising at least one bezel section selected from a group of bezel sections, the group comprising a light blocking bezel section (406), a light transmitting bezel section (404), or a sky imitating bezel section (402) configured as a sky imitating device (320).

公开(公告)号：WO2018091060A1

公开(公告)日：2018-05-24

申请号：PCT/EP2016/001944

申请日：2016-11-19

Applicant: COELUX S.R.L. ,  UNIVERSITÀ DEGLI STUDI DELL'INSUBRIA

Inventor： DI TRAPANI, Paolo ,  MAGATTI, Davide ,  LOTTI, Antonio ,  MOLTENI, Matteo ,  GATTI, Giorgio

IPC: F21S8/02 ,  F21V9/02 ,  F21V13/02 ,  F21V11/02 ,  F21V11/06

Abstract: In an aspect, a lighting system (1) comprises a lighting unit (11) with a light source (31) and a dichroic light exiting surface (15), wherein the lighting unit (11) is configured for emitting dichroic light from the dichroic light exiting surface (15). The emitted dichroic light includes a directional light portion (37) of direct light (17) and a diffused light portion (39) of diffused light (19) with a another larger correlated color temperature. The lighting system further comprises an appearance affecting optical system (13) with a plurality of structural elements (40, 91, 93, 101, 105) that comprise surfaces that delimit a plurality of diffused light passages (14, 103, 107), and comprise direct light illuminated surface regions (25), which are subject to the illumination with direct light (17) from respectively associated affected direct light providing areas (81) of the dichroic light exiting surface (15). Moreover, the affected direct light providing areas (81) cover at least 70% of the dichroic light exiting surface (15), and the direct light (17) from at least one affected direct light providing area (81) and diffused light (19) propagate within at least one of the diffused light passages (14, 103, 107).

公开(公告)号：WO2017152940A1

公开(公告)日：2017-09-14

申请号：PCT/EP2016/054817

申请日：2016-03-07

Applicant: COELUX S.R.L. ,  UNIVERSITÀ DEGLI STUDI DELL'INSUBRIA

Inventor： DI TRAPANI, Paolo ,  MAGATTI, Davide

IPC: F21V9/02 ,  F21V13/02 ,  F21S8/02 ,  F21Y115/10 ,  F21V7/00

Abstract: A lighting system (1) for in particular forming a room edge (12) of a room comprises an enlarged sky-perception providing unit (2) with a light transparent panel (3) and a mirror unit (13) with a reflective face (13A) forming an inner edge (14). The lighting system further comprises a light source (41) configured to emit a direct light beam (43) through the light transparent panel (3) onto the mirror unit (13) such that the transmitted portion (9) of the light beam is reflected completely by the reflective face (13A), thereby creating a reflected direct light beam (17) in particular for imitating a sun beam.

Abstract translation: 用于特别形成房间的房间边缘（12）的照明系统（1）包括具有透光板（3）和反光镜单元（2）的放大天空感知提供单元（2） （13）具有形成内边缘（14）的反射面（13A）。 照明系统还包括光源（41），该光源（41）被配置为通过光透明面板（3）发射直接光束（43）到反射镜单元（13）上，使得光束的透射部分（9）被反射 完全通过反射面（13A），由此产生特别用于模仿太阳光束的反射直接光束（17）。

公开(公告)号：WO2017009478A2

公开(公告)日：2017-01-19

申请号：PCT/EP2016/066995

申请日：2016-07-15

Applicant: COELUX S.R.L. ,  UNIVERSITÀ DEGLI STUDI DELL'INSUBRIA

Inventor： DI TRAPANI, Paolo ,  MAGATTI, Davide

IPC: F21S8/00 ,  F21V3/04 ,  G02B5/02 ,  G02B5/08

CPC classification number: G02B5/0242 ,  B32B17/1022 ,  B32B2307/416 ,  C03C17/06 ,  C03C17/34 ,  C03C2217/252 ,  C03C2217/445 ,  C03C2217/452 ,  C03C2217/48 ,  C03C2217/72 ,  E04F13/077 ,  F21V7/0008 ,  F21V7/04 ,  F21V9/02 ,  G02B5/0284 ,  G02B5/0808 ,  G02B5/10

Abstract: In an aspect, achromatic facade unitfor being attached to a wall (1A) of a building (1) is disclosed that can form a facade (3) of the wall (1A). The chromatic facade unit (11) comprises a support structure (15), a chromatic reflective layer (17) formed on the support structure (15), the chromatic reflective layer (17) comprising reflective layer (43) and a chromatic diffusing layer (41), wherein the chromatic diffusing layer (41) is configured to provide for a specular reflectance that is larger in the red than in the blue and for a diffuse reflectance that is larger in the blue than in the red, and the reflective layer (43) is configured to reflect visible light having passed through the chromatic diffusing layer (41). The chromatic facade unit (11) comprises further an absorbing medium (47) provided in or on the chromatic diffusing layer (41) and/or the reflective layer (43), wherein the absorbing medium (47) is configured to absorb preferred radiation in the infrared spectrum and less in the visible spectrum.Furthermore, respective chromatic window units are disclosed to comprise a chromatic diffusing layer (41) and an absorbing medium (47).

Abstract translation: 在一方面，公开了一种用于附接到建筑物（1）的壁（1A）的消色差外立面单元，其可以形成壁（1A）的立面（3）。 彩色立面单元（11）包括支撑结构（15），形成在支撑结构（15）上的色反射层（17），包括反射层（43）和色散层（17）的色反射层（17） 41），其中所述色散体（41）被配置为提供在红色中大于蓝色的镜面反射率和在蓝色中大于红色的漫反射率，以及反射层（ 43）被配置为反射通过所述彩色漫射层（41）的可见光。 彩色立面单元（11）还包括设置在彩色漫射层（41）和/或反射层（43）中或其上的吸收介质（47），其中吸收介质（47）构造成吸收优选辐射 红外光谱和可见光谱中较少。此外，各个彩色窗单元被公开为包括彩色漫射层（41）和吸收介质（47）。

公开(公告)号：WO2020201938A1

公开(公告)日：2020-10-08

申请号：PCT/IB2020/052848

申请日：2020-03-26

Applicant: COELUX S.R.L.

Inventor： MOLTENI, Matteo ,  RAGAZZI, Paolo ,  LOTTI, Antonio ,  MAGATTI, Davide

IPC: F21V13/12 ,  F21V11/06 ,  F21V5/00 ,  F21V3/04 ,  F21Y115/10 ,  F21Y105/10

Abstract: The present disclosure is directed to a sun-sky-imitating illumination device (100) for generating natural light similar to that from the sun and the sky, comprising a direct-light generator (10) that comprises a first emitting surface (11) from which a direct light (13) is emitted and a collimated light source (20) configured to generate from a primary light a collimated light (23) which exits an output surface (22) positioned upstream from the first emitting surface (11) with respect to a direct light direction (15), wherein the direct light (13) has a luminance profile (Ldirect(x, y, θ, φ)) which has a first peak in the angular distribution around the direct-light direction (15) and the collimated light (23) exiting the output surface (22) has a luminance profile (Lcoll(x, y, θ, φ)) which has a second peak (14) in the angular distribution around the direct-light direction (15), the second peak being a narrow peak, and a diffused-light generator (50) that is at least partially light-transparent and is positioned downstream of the direct-light generator (10) and comprises a second emitting surface (51) and is configured to cause diffused light (53) at the second emitting surface (51), wherein the sun-sky-imitating illumination device is configured such that the direct-light generator (10) and the diffused-light generator (50) co-operate to form outer light (53,54) at the second emitting surface (51) which comprises a first light component (54) which propagates along directions contained within the narrow peak (14) and a second light component (53) which propagates along directions spaced apart from the narrow peak (14), wherein the first light component (54) has a CCT which is lower than a CCT of the second light component (53), wherein the direct-light generator (10) comprises an optical unit (30) positioned downstream of the output surface (22) of the collimated light source (20) and upstream from the first emitting surface (11) with respect to the direct light direction (15), wherein the optical unit (30) is configured to interact with the collimated light (23) exiting the output surface (22) to generate the direct light (13) emitted from the first emitting surface (11) so that the first peak of the luminance profile (Ldirect(x, y, θ, φ)) of the direct light (13) is larger than the second peak of the luminance profile (Lcoll(x, y, θ, φ)) of the collimated light (23), the optical unit (30) comprising a first planar light mixing element (33,33') characterized by a first response function having a first angular profile with a peak having a first divergence angle (α1, α1') measured as full width at half maximum (FWHM) of the peak, the first planar light mixing element (33,33') being positioned so as to at least partially intercept the collimated light (23) exiting the output surface (22) of the collimated light source (20) and to define a unit input surface (31), and a second planar light mixing element (34) characterized by a second response function having a second angular profile with a peak having a second divergence angle (α2) measured as full width at half maximum (FWHM) of the peak, the second planar light mixing element (34) being positioned downstream of the unit input surface (31) so as to at least partially intercept the light crossing the unit input surface (31) and to define a unit emitting surface (32), wherein the first and second divergence angles (α1. α1', α2) are equal to or smaller than 40° preferably smaller than 30°, more preferably smaller than 20°; and wherein the first (33,33') and second (34) planar light mixing elements are spaced apart from each other at least of a minimum unit depth (z1) measured along the direct light direction (15), configured to obtain uniform luminance of the direct light (13) which exits the first emitting surface (11) of the direct light generator (10).