ASYMMETRICAL LIGHT PRODUCING BAFFLE AND LUMINAIRE INCLUSIVE THEREOF
Disclosed is a baffle assembly configured for asymmetric distribution of light, the baffle assembly including a baffle body, a series of baffle blades disposed with the baffle body, and a series of openings defined by at least one of the baffle body and the blades of the series of baffle blades, the openings being configured for passage of the light, wherein the series of blades is configured to redirect the light that passes through the openings, wherein the blades are angled away from perpendicular or parallel disposal relative to a plane normal to a centerline of the baffle body.
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This application is related to and claims the benefit of U.S. Provisional Patent Application Ser. No. 61/161,835 filed on Mar. 20, 2009, the entire contents of which are herein incorporated by reference.
FIELDThe disclosure relates generally to luminaire, and more particularly to a luminaire configured for symmetric and asymmetric distribution of light.
BACKGROUNDCurrently, in the art of office lighting, there is a need for a luminaire configured to effectively light the specific (and sometimes confined) geometries of typical private offices. Contemporary luminaires are not singularly capable of both providing broad general or indirect ambient illuminance upon an office ceiling, while also providing focused or targeted task illuminance on a typical office desk or desk portion in the luminaire's vicinity. Accordingly, a single luminaire that could be mounted far from the ceiling and close to the desk to effectively provide such lighting, without interfering in conferencing functions typically occurring between persons seated on opposite sides of a typical office desk or desk portion, would be desirable.
SUMMARYDisclosed is a baffle assembly configured for asymmetric distribution of light, the baffle assembly including a baffle body, a series of baffle blades disposed with the baffle body, and a series of openings defined by at least one of the baffle body and the blades of the series of baffle blades, the openings being configured for passage of the light, wherein the series of blades is configured to redirect the light that passes through the openings, wherein the blades are angled away from perpendicular or parallel disposal relative to a plane normal to a centerline of the baffle body.
Also disclosed is a luminaire including a luminaire housing defining an uplight aperture and a downlight aperture, at least one light source disposed in the luminaire housing, an uplight baffle assembly disposed in the uplight aperture, the uplight baffle assembly being configured for directional distribution of uplight from the light source, and a downlight baffle assembly disposed in the downlight aperture, the downlight baffle assembly being configured for directional distribution of downlight from the light source, wherein the direction of the uplight distribution is substantially perpendicular to the direction of the downlight distribution.
Further disclosed is a method for lighting a space via a luminaire, the method including providing a luminaire housing defining an uplight aperture and a downlight aperture, directionally distributing uplight from the uplight aperture, the uplight emanating from a light source disposed in the luminaire housing, directionally distributing downlight from the downlight aperture, the downlight emanating from the light source disposed in the luminaire housing, and directing the uplight in directions that are substantially perpendicular to a direction of the asymmetrical downlight.
The foregoing and other features and advantages of the present invention should be more fully understood from the following detailed description of illustrative embodiments taken in conjuncture with the accompanying Figures in which like elements are numbered alike in the several Figures:
With reference to
As is shown best in
The uplight 26 discussed above is best shown at
As is best shown in
The downlight 40 discussed above is best shown in 4b, 9, 9, 9b, and 9c. With reference to
Furthermore, the downlight 40 is distributed in a direction substantially perpendicular to the directions in which the uplight 26 is distributed. This substantially perpendicular distribution occurs via reflection of the downlight towards the left end wall 16 of the housing 12, and is shown in
Referring now to
Referring now to
Referring now to
It will be apparent to those skilled in the art that, while exemplary embodiments have been shown and described, various modifications and variations can be made to the present apparatus and method disclosed herein without departing from the spirit or scope of the invention. Accordingly, it is to be understood that the various embodiments have been described by way of illustration and not limitation.
Claims
1. A baffle assembly configured for asymmetric distribution of light, the baffle assembly comprising:
- a baffle body;
- a series of baffle blades disposed with said baffle body; and
- a series of openings defined by at least one of said baffle body and said blades of said series of baffle blades, said openings being configured for passage of the light,
- wherein said series of blades is configured to redirect the light that passes through said openings, wherein said blades are angled away from perpendicular or parallel disposal relative to a plane normal to a centerline of said baffle body.
2. The baffle assembly of claim 1, wherein a portion of each of said blades extends beyond an edge of said openings in proximity thereto.
3. The baffle assembly of claim 2, wherein said downlight baffle assembly includes a relatively upper reflective surface opposite a surface from which said blades extend, said reflective surface including two symmetrically sloped regions.
4. The baffle assembly of claim 1, wherein said blades include upper surfaces, said upper surfaces defining said openings.
5. A luminaire comprising:
- a luminaire housing defining an uplight aperture and a downlight aperture;
- at least one light source disposed in said luminaire housing;
- an uplight baffle assembly disposed in said uplight aperture, said uplight baffle assembly being configured for directional distribution of uplight from said light source; and
- a downlight baffle assembly disposed in said downlight aperture, said downlight baffle assembly being configured for directional distribution of downlight from said light source,
- wherein said direction of said uplight distribution is substantially perpendicular to said direction of said downlight distribution.
6. The luminaire of claim 5, wherein said uplight baffle assembly is configured to symmetrically distribute said uplight about a longitudinal axis of the luminaire and wherein said downlight baffle is configured to asymmetrically distribute said downlight.
7. The luminaire of claim 6, wherein said downlight baffle assembly defines a series of openings configured for passage of said downlight, and a series of blades configured to redirect said downlight that passes through said openings.
8. The luminaire of claim 7, wherein said blades are angled away from perpendicular or parallel disposal relative to said downlight aperture, a portion of each of said blades extending beyond an edge of said openings in proximity thereto.
9. The luminaire of claim 7, wherein said luminaire housing includes longitudinal walls running substantially parallel to a longitudinal axis of the luminaire, and end walls running substantially perpendicular to said longitudinal axis, said symmetric distribution occurring upwards and in directions away from said longitudinal axis, and said asymmetrical distribution occurring downwards and in a direction towards and beyond one of said end walls.
10. The luminaire of claim 9, wherein said downlight baffle assembly includes a reflective surface that is symmetrically sloped towards said longitudinal walls.
11. A method for lighting a space via a luminaire, the method comprising:
- providing a luminaire housing defining an uplight aperture and a downlight aperture;
- directionally distributing uplight from said uplight aperture, said uplight emanating from a light source disposed in said luminaire housing;
- directionally distributing downlight from said downlight aperture, said downlight emanating from said light source disposed in said luminaire housing; and
- directing said uplight in directions that are substantially perpendicular to a direction of said asymmetrical downlight.
12. The method of claim 11, wherein said directionally distributing said uplight includes symmetrically distributing said uplight about a longitudinal axis of the luminaire via an uplight baffle assembly.
13. The method of claim 11, wherein said directionally distributing said downlight includes asymmetrically distributing said downlight via a downlight baffle assembly that defines a series of openings configured for passage of said downlight, and a series of blades configured redirect said downlight that passes through said openings.
14. The method of claim 13, wherein said luminaire housing includes longitudinal walls running substantially parallel to a longitudinal axis of the luminaire, and end walls running substantially perpendicular to said longitudinal axis, said uplight being symmetrically distributed upwards and in directions away from said longitudinal axis, and said down light asymmetrically distributed downwards and in a direction towards and beyond one of said end walls.
Type: Application
Filed: Mar 18, 2010
Publication Date: Sep 23, 2010
Applicant: SYLVAN R. SHEMITZ DESIGNS INCORPORATED (West Haven, CT)
Inventors: David R. Pfund (Woodbridge, CT), Paul R. Ford (Orange, CT)
Application Number: 12/727,069
International Classification: F21V 1/00 (20060101); F21S 8/00 (20060101); F21V 7/00 (20060101);