CA2541686A1 - Light assembly - Google Patents

Light assembly Download PDF

Info

Publication number
CA2541686A1
CA2541686A1 CA002541686A CA2541686A CA2541686A1 CA 2541686 A1 CA2541686 A1 CA 2541686A1 CA 002541686 A CA002541686 A CA 002541686A CA 2541686 A CA2541686 A CA 2541686A CA 2541686 A1 CA2541686 A1 CA 2541686A1
Authority
CA
Canada
Prior art keywords
light assembly
assembly according
axis
led
curve section
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
Application number
CA002541686A
Other languages
French (fr)
Other versions
CA2541686C (en
Inventor
Robert A. Czajkowski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Federal Signal Corp
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2541686A1 publication Critical patent/CA2541686A1/en
Application granted granted Critical
Publication of CA2541686C publication Critical patent/CA2541686C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/28—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/14—Light emitting diodes [LED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/15—Strips of light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
    • F21S43/31—Optical layout thereof
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • 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
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • 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
    • F21V7/04—Optical design
    • 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
    • F21V7/04—Optical design
    • F21V7/06—Optical design with parabolic curvature
    • 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
    • F21V7/04—Optical design
    • F21V7/09—Optical design with a combination of different curvatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
    • F21S41/148—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device the main emission direction of the LED being perpendicular to the optical axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/151—Light emitting diodes [LED] arranged in one or more lines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/151—Light emitting diodes [LED] arranged in one or more lines
    • F21S41/153—Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/323—Optical layout thereof the reflector having two perpendicular cross sections having regular geometrical curves of a distinct nature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
    • F21S41/331—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of complete annular areas
    • F21S41/332—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of complete annular areas with continuity at the junction between adjacent areas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
    • 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
    • F21V7/005—Reflectors for light sources with an elongated shape to cooperate with linear light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Abstract

A light assembly is disclosed which can include an LED array and a reflector (46). The LED array can include a plurality of LEDs (48) which are disposed such that each LED (48) is substantially aligned to define a focal axis (100).
Each LED can emit light substantially along an optical output axis (82), with each optical output axis (82) being perpendicular to the focal axis (100). The optical output axis (82) of the LED array can be disposed in intersecting relationship with the reflector surface (46). The reflector (46) can be defined by a curve section defined with respect to a principal axis (70). The principal axis (70) and the output axis (82) of the LED array can be in non-parallel relationship with each other. The optical output axis (82) of the LED
array can be substantially perpendicular to the principal axis (70) of the curve section of the reflector.

Claims (33)

1. A light assembly comprising:
an LED, the LED operable to emit light substantially along an optical output axis; and a reflector, the reflector having a reflective surface, the reflective surface including a curve section, the curve section being disposed in predetermined relationship relative to a principal axis, the principal axis being in non-parallel relationship with the optical output axis.
2. The light assembly according to claim 1 wherein the principal axis is substantially perpendicular to the optical output axis.
3. The light assembly according to claim 1 wherein the LED has a virtual focal point, the optical output axis extending through the virtual focal point, and the principal axis extending through the virtual focal point.
4. The light assembly according to claim 1 further comprising an array of LEDs.
5. The light assembly according to claim 4 wherein each LED includes a virtual focal point, the LEDs being disposed such that the virtual focal points extend along a focal axis.
6. The light assembly according to claim 5 wherein the virtual focal points are substantially aligned with each other.
7. The light assembly according to claim 4 further comprising a power supply operably arranged with the LED array such that the LED array is selectively operable to emit light.
8. The light assembly according to claim 7 further comprising a heat sink operably arranged with the LED array.
9. The light assembly according to claim 1 wherein the curve section comprises a parabolic curve section.
10. The light assembly according to claim 9 wherein the parabolic curve section is defined by a parabolic equation, the parabolic equation being y2 = nx, where x is taken along the principal axis, y is taken along a y axis perpendicular to the principal axis, and n is a predetermined coefficient.
11. The light assembly according to claim 10 wherein the y axis is substantially parallel to the optical output axis.
12. The light assembly according to claim 10 wherein the parabolic curve section has a focus, the LED has a virtual focal point, the focus being disposed substantially coincident to the virtual focal point.
13. The light assembly according to claim 9 wherein the LED includes a virtual focal point, the optical output axis extending through the focal point, the parabolic curve section includes a first end and a second end, the first and second ends disposed in relation to the LED such that substantially all of the light emitted from the LED contacts the reflective surface.
14. The light assembly according to claim 13 wherein the first end and the virtual focal point defining a first line, the first line and the optical output axis defining a first angle, the second end and the virtual focal point defining a second line, the second line and the optical output axis defining a second angle.
15. The light assembly according to claim 14 wherein the first angle is different than the second angle.
16. The light assembly according to claim 15 wherein the first angle is approximately 60°, and the second angle is 50°.
17. The light assembly according to claim 5 the reflective surface is defined at least in part by extending the curve section along the focal axis a predetermined amount.
18. The light assembly according to claim 1 wherein the reflective surface includes at least one reflective portion, the reflective portion defined by the curve section being rotated about the principal axis over a predetermined amount.
19. The light assembly according to claim 18 further comprising an array of LEDs and a plurality of reflective portions.
20. The light assembly according to claim 19 wherein the number of LEDs corresponds to the number of reflective portions.
21. The light assembly according to claim 20 wherein each LED includes a virtual focal point, the principal axis of each reflective portion extending through the virtual focal point of a respective LED.
22. The light assembly according to claim 1 wherein the reflective surface includes a body portion having the curve section.
23. The light assembly according to claim 22 wherein the body section is defined by extending the curve section along an axis that is perpendicular to the principal axis and to the optical output axis.
24. The light assembly according to claim 22 wherein the reflective surface includes first and second end portions, the body portion being disposed intermediate the end portions.
25. The light assembly according to claim 1 wherein the curve section includes a plurality of segments, at least one segment being defined by a mathematical equation that is different than at least one other segment.
26. The light assembly according to claim 25 wherein the segments are defined by parabolic equations.
27. The light assembly according to claim 26 wherein at least one of the segments has a principal axis that is different than at least one other segment.
28. The light assembly according to claim 26 wherein the reflective surface includes a body portion and first and second end portions, the body portion including a plurality of segments, the first end portion including a plurality of segments, and the second end portion having a plurality of segments.
29. The light assembly according to claim 28 wherein the body portion has four parabolic curve segments, each body curve segment having a different parabolic equation, the first end portion has five parabolic curve segments, each first end curve segment having a different parabolic equation, the second end portion being a minor image of the first end portion.
30. A light assembly comprising:
an LED, the LED operable to emit light substantially along an optical output axis; and a reflector, the reflector having a reflective surface, the reflective surface including a curve section, the curve section extended along an axis a predetermined amount;
wherein the LED is positioned such that the optical axis is in intersecting relationship with the reflective surface.
31. The light assembly according to claim 30 wherein the curve section is parabolic.
32. A light assembly comprising:
an LED, the LED operable to emit light substantially along an optical output axis, the LED having a virtual focal point, the optical output axis extending through the virtual focal point; and a reflector, the reflector having a reflective surface, the reflective surface including a curve section, the curve section being disposed in predetermined relationship relative to a principal axis, the curve section extending substantially along the principal axis, the curve section extended a predetermined amount along an axis perpendicular to the principal axis to define at least a portion of the reflective surface, the principal axis extending through the virtual focal point of the LED, the principal axis being in intersecting relationship with the optical output axis.
33. The light assembly according to claim 32 wherein the curve section is parabolic.
CA2541686A 2003-10-10 2004-10-12 Light assembly Active CA2541686C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US51019203P 2003-10-10 2003-10-10
US60/510,192 2003-10-10
PCT/US2004/033564 WO2005036054A1 (en) 2003-10-10 2004-10-12 Light assembly

Publications (2)

Publication Number Publication Date
CA2541686A1 true CA2541686A1 (en) 2005-04-21
CA2541686C CA2541686C (en) 2012-06-19

Family

ID=34435069

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2541686A Active CA2541686C (en) 2003-10-10 2004-10-12 Light assembly

Country Status (5)

Country Link
US (2) US7578600B2 (en)
EP (1) EP1671063B1 (en)
CA (1) CA2541686C (en)
ES (1) ES2405759T3 (en)
WO (1) WO2005036054A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8033683B2 (en) 2008-02-15 2011-10-11 PerkinElmer LED Solutions, Inc. Staggered LED based high-intensity light
US8651695B2 (en) 2010-03-26 2014-02-18 Excelitas Technologies Corp. LED based high-intensity light with secondary diffuser

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7521667B2 (en) 2003-06-23 2009-04-21 Advanced Optical Technologies, Llc Intelligent solid state lighting
US7145125B2 (en) 2003-06-23 2006-12-05 Advanced Optical Technologies, Llc Integrating chamber cone light using LED sources
US8197110B2 (en) * 2003-10-10 2012-06-12 Federal Signal Corporation Light assembly incorporating reflective features
US7578600B2 (en) * 2003-10-10 2009-08-25 Federal Signal Corporation LED light assembly with reflector having segmented curve section
WO2005041632A2 (en) 2003-10-31 2005-05-12 Phoseon Technology, Inc. Collection optics for led array with offset hemispherical or faceted surfaces
TWI312583B (en) 2004-03-18 2009-07-21 Phoseon Technology Inc Micro-reflectors on a substrate for high-density led array
US7207694B1 (en) * 2004-08-20 2007-04-24 Boyd Industries, Inc. Light emitting diode operating and examination light system
US8541795B2 (en) 2004-10-12 2013-09-24 Cree, Inc. Side-emitting optical coupling device
US8591073B2 (en) 2005-03-03 2013-11-26 Dialight Corporation Beacon light with reflector and light emitting diodes
ATE386234T1 (en) * 2005-12-14 2008-03-15 Tyc Brother Ind Co Ltd PROJECTION LIGHTING DEVICE
FR2906009B1 (en) * 2006-09-19 2008-12-26 Valeo Vision Sa LIGHTING AND / OR SIGNALING DEVICE FOR A MOTOR VEHICLE.
US7918596B2 (en) * 2007-04-20 2011-04-05 Federal Signal Corporation Warning light
US20080258900A1 (en) * 2007-04-20 2008-10-23 George Frank Warning light
US8317367B2 (en) 2007-05-07 2012-11-27 Illumination Optics Inc. Solid state optical system
US7794119B2 (en) * 2007-05-07 2010-09-14 Illumination Optics Inc. Solid state optical system
CN101688646B (en) 2007-06-14 2014-10-29 皇家飞利浦电子股份有限公司 Led-based luminaire with adjustable beam shape
DE102007059607A1 (en) * 2007-12-11 2009-06-18 Bartenbach, Christian, Ing. Wall and / or ceiling light
US9557033B2 (en) 2008-03-05 2017-01-31 Cree, Inc. Optical system for batwing distribution
JP5150336B2 (en) * 2008-03-28 2013-02-20 スタンレー電気株式会社 LED lamp
US8434901B2 (en) * 2008-06-11 2013-05-07 Koninklijke Philips Electronics N.V. Light emitting system producting beam with adjustable width
US7963683B2 (en) * 2008-12-22 2011-06-21 Federal Signal Corporation Rotating light
US8113680B2 (en) * 2009-05-05 2012-02-14 Lightology, Llc Light fixture with directed LED light
US20120063125A1 (en) * 2010-03-17 2012-03-15 The Sloan Company, Inc. Dba Sloanled Display case lighting
IT1398719B1 (en) * 2010-03-18 2013-03-18 Flos Spa LED WALL LAMP
DE102010021452A1 (en) 2010-04-01 2011-10-06 Siteco Beleuchtungstechnik Gmbh Luminaire with LED modules
CN101818867B (en) * 2010-04-19 2013-03-27 海洋王照明科技股份有限公司 LED anti-dazzle lamp
US8360605B2 (en) 2010-05-09 2013-01-29 Illumination Optics Inc. LED luminaire
US8851707B2 (en) 2010-06-15 2014-10-07 Dialight Corporation Highly collimating reflector lens optic and light emitting diodes
WO2012062347A1 (en) * 2010-11-08 2012-05-18 Osram Ag Linear illumination device having leds
US9016896B1 (en) 2011-02-23 2015-04-28 Hughey & Phillips, Llc Obstruction lighting system
EP2500631B1 (en) 2011-03-17 2017-09-27 Hughey & Phillips, LLC Lighting system, e.g. all radial obstruction light for aircraft navigation
US9013331B2 (en) 2011-03-17 2015-04-21 Hughey & Phillips, Llc Lighting and collision alerting system
DE102011085275B4 (en) 2011-07-08 2021-01-28 Zumtobel Lighting Gmbh Optical element
DE102011079404A1 (en) 2011-07-19 2013-01-24 Zumtobel Lighting Gmbh Arrangement for emitting light
EP2650599A1 (en) * 2012-04-13 2013-10-16 Koninklijke Philips N.V. Light source strip, lighting module and luminaire
US9616811B2 (en) 2012-07-10 2017-04-11 Emergency Technology, Inc. Emergency vehicle light fixture with reflective surface having alternating linear and revolved parabolic segments
US9188733B2 (en) 2013-06-07 2015-11-17 Steelcase Inc. Panel light assembly
US10057508B2 (en) * 2013-06-20 2018-08-21 Excelitas Technologies Corp. Illumination device with integrated thermal imaging sensor
US9696008B2 (en) 2013-07-02 2017-07-04 Cooper Technologies Company Reflector for directed beam LED illumination
EP2921410B1 (en) 2014-03-18 2017-01-04 Goodrich Lighting Systems GmbH Lighting structure for an exterior vehicle light unit and exterior vehicle light unit comprising the same
US10106276B2 (en) 2015-04-16 2018-10-23 Hughey & Phillips, Llc Obstruction lighting system configured to emit visible and infrared light
US20170023208A1 (en) * 2015-07-22 2017-01-26 JST Performance, LLC Method and apparatus for indirect lighting
RU2623506C2 (en) * 2015-08-20 2017-06-27 Наталья Олеговна Стёркина Method for creating light flux and cornice long lamp for its implementation
US11178741B1 (en) 2015-12-22 2021-11-16 Hughey & Phillips, Llc Lighting system configured to emit visible and infrared light
RU2649866C2 (en) * 2016-07-04 2018-04-05 Общество С Ограниченной Ответственностью "Пласт 40000" Method for creating a shadowless light flow and a modular lighting system for its implementation
DE102017202400A1 (en) 2017-02-15 2018-08-16 H4X E.U. lamp
KR20180101963A (en) * 2017-03-06 2018-09-14 주식회사 루멘스 Led module
US10704757B2 (en) * 2018-10-19 2020-07-07 Valeo North America, Inc. Lighting unit for automotive headlamp
US10478635B1 (en) 2018-10-22 2019-11-19 Joovv, Inc. Photobiomodulation therapy systems and methods
US11458328B2 (en) 2018-10-22 2022-10-04 Joovv, Inc. Photobiomodulation therapy device accessories

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4929866A (en) * 1987-11-17 1990-05-29 Mitsubishi Cable Industries, Ltd. Light emitting diode lamp
DE4040020C2 (en) * 1990-12-14 1999-07-15 Bosch Gmbh Robert Lighting device for vehicles
US5278731A (en) * 1992-09-10 1994-01-11 General Electric Company Fiber optic lighting system using conventional headlamp structures
US5471371A (en) * 1993-01-08 1995-11-28 Ford Motor Company High efficiency illuminator
US5528474A (en) * 1994-07-18 1996-06-18 Grote Industries, Inc. Led array vehicle lamp
DE19531295A1 (en) * 1995-08-25 1997-02-27 Reitter & Schefenacker Gmbh Optic body for at least one LED
US5924785A (en) * 1997-05-21 1999-07-20 Zhang; Lu Xin Light source arrangement
US5929788A (en) * 1997-12-30 1999-07-27 Star Headlight & Lantern Co. Warning beacon
JP3026967B1 (en) * 1998-12-18 2000-03-27 スタンレー電気株式会社 Vehicle lighting
US6257737B1 (en) * 1999-05-20 2001-07-10 Philips Electronics Na Low-profile luminaire having a reflector for mixing light from a multi-color linear array of LEDs
JP4010084B2 (en) 1999-10-21 2007-11-21 市光工業株式会社 Compact light source module and light source unit
US6318886B1 (en) * 2000-02-11 2001-11-20 Whelen Engineering Company High flux led assembly
US6543911B1 (en) * 2000-05-08 2003-04-08 Farlight Llc Highly efficient luminaire having optical transformer providing precalculated angular intensity distribution and method therefore
JP3481599B2 (en) * 2000-07-14 2003-12-22 京都電機器株式会社 Linear lighting device
DE20102587U1 (en) 2001-02-14 2001-05-10 Fer Fahrzeugelektrik Gmbh Vehicle light
DE10140692A1 (en) 2001-08-24 2003-03-27 Hella Kg Hueck & Co Interior lighting unit for vehicle, using lamps of differing spectral emission, forms combined output using reflector and optical guide
ES2185509B1 (en) 2001-10-09 2004-08-16 Señalizacion Y Accesorios Del Automovil Yorka, S.A. SIGNALING LIGHT FOR CARS.
US6948840B2 (en) * 2001-11-16 2005-09-27 Everbrite, Llc Light emitting diode light bar
US6641284B2 (en) * 2002-02-21 2003-11-04 Whelen Engineering Company, Inc. LED light assembly
US6945672B2 (en) * 2002-08-30 2005-09-20 Gelcore Llc LED planar light source and low-profile headlight constructed therewith
US6851835B2 (en) 2002-12-17 2005-02-08 Whelen Engineering Company, Inc. Large area shallow-depth full-fill LED light assembly
JP2004311101A (en) 2003-04-03 2004-11-04 Koito Mfg Co Ltd Vehicle head lamp and semiconductor light emitting element
KR100611972B1 (en) 2003-06-10 2006-08-11 삼성전자주식회사 Micro light emitting module and projection display using the same
US8197110B2 (en) * 2003-10-10 2012-06-12 Federal Signal Corporation Light assembly incorporating reflective features
US7578600B2 (en) * 2003-10-10 2009-08-25 Federal Signal Corporation LED light assembly with reflector having segmented curve section
US7918596B2 (en) * 2007-04-20 2011-04-05 Federal Signal Corporation Warning light

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8033683B2 (en) 2008-02-15 2011-10-11 PerkinElmer LED Solutions, Inc. Staggered LED based high-intensity light
US8651695B2 (en) 2010-03-26 2014-02-18 Excelitas Technologies Corp. LED based high-intensity light with secondary diffuser

Also Published As

Publication number Publication date
US7578600B2 (en) 2009-08-25
US20050094393A1 (en) 2005-05-05
CA2541686C (en) 2012-06-19
ES2405759T3 (en) 2013-06-03
WO2005036054A1 (en) 2005-04-21
EP1671063B1 (en) 2013-03-06
US8206005B2 (en) 2012-06-26
EP1671063A1 (en) 2006-06-21
US20090303716A1 (en) 2009-12-10

Similar Documents

Publication Publication Date Title
CA2541686A1 (en) Light assembly
EP2263036B1 (en) Optical system for batwing distribution
US10006608B2 (en) Flat lighting device
KR101260910B1 (en) Solid-state light source and vehicle lamp system using it
US8128267B2 (en) Light source and illumination device comprising at least one light-emitting element
EP1697685B1 (en) High flux light emitting diode (led) reflector arrays
EP1916468B1 (en) LED lighting fixture
TWI394271B (en) Led light system
US10473292B2 (en) Solid state illumination devices including spatially-extended light sources and reflectors
CN101994933B (en) Illuminating device
US8197110B2 (en) Light assembly incorporating reflective features
MX2011002802A (en) Light emitting diode roadway lighting optics.
US20220034463A1 (en) Multi-beam vehicle light
GB2412724A (en) LED headlamp with different light intensity modules
WO2018121654A1 (en) Lens, light source module, and lighting device
JP2011523189A (en) Light-emitting system that produces a beam with adjustable width
US9494295B2 (en) Ring light module
CA2802170A1 (en) Lamp with a truncated reflector cup
ITTV20090131A1 (en) MODULAR PROJECTOR WITH LUMINOUS SOURCES OF LED TYPE
WO2014027917A1 (en) Light-emitting diode lamp
Chaves et al. Virtual filaments that mimic conventional light bulb filaments
TW200923270A (en) Surface light illumination device with light power side emitting LEDs

Legal Events

Date Code Title Description
EEER Examination request