WO2001016524A1 - Luminaire, optical element and method of illuminating an object - Google Patents

Luminaire, optical element and method of illuminating an object Download PDF

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Publication number
WO2001016524A1
WO2001016524A1 PCT/EP2000/007693 EP0007693W WO0116524A1 WO 2001016524 A1 WO2001016524 A1 WO 2001016524A1 EP 0007693 W EP0007693 W EP 0007693W WO 0116524 A1 WO0116524 A1 WO 0116524A1
Authority
WO
WIPO (PCT)
Prior art keywords
luminaire
optical element
plane
light sources
optical elements
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.)
Ceased
Application number
PCT/EP2000/007693
Other languages
English (en)
French (fr)
Inventor
Matthijs H. Keuper
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.)
Lumileds Netherlands BV
Original Assignee
Lumileds Netherlands BV
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 Lumileds Netherlands BV filed Critical Lumileds Netherlands BV
Priority to JP2001520040A priority Critical patent/JP5048190B2/ja
Priority to DE60037178T priority patent/DE60037178T2/de
Priority to EP00958400A priority patent/EP1125085B1/en
Publication of WO2001016524A1 publication Critical patent/WO2001016524A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/69—Details of refractors forming part of the light source
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/007—Array of lenses or refractors for a cluster of light sources, e.g. for arrangement of multiple light sources in one plane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/68—Details of reflectors forming part of the 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
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F21S2/005—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction of modular construction
    • 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
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
    • 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
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • 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
    • F21V31/00—Gas-tight or water-tight arrangements
    • F21V31/005—Sealing arrangements therefor
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/02—Refractors for light sources of prismatic shape
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F21V5/043—Refractors for light sources of lens shape the lens having cylindrical faces, e.g. rod lenses, toric lenses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/103—Outdoor lighting of streets or roads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/405—Lighting for industrial, commercial, recreational or military use for shop-windows or displays
    • 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
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional [2D] 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]

Definitions

  • Luminaire optical element and method of illuminating an object .
  • the invention relates to a luminaire comprising a set of light sources and a set of optical elements.
  • the luminaire in question is one wherein, in particular, the light sources consist of light-emitting diodes (LEDs).
  • Such a luminaire can be used, for example, as a street lighting or to illuminate objects in shop-windows.
  • LEDs are becoming more and more efficient and powerful, the possibilities of using LEDs for said purposes are continuously increasing, whereby the number of LEDs necessary for the required light output is continually decreasing.
  • a drawback of such a luminaire resides in that the light distribution of a separate LED with the associated lens often is not uniformly distributed, which is caused by the fact that the LED's incident light on the lens is not uniformly distributed.
  • the luminaire in accordance with the invention comprises a set of light sources which are predominantly situated in a first plane, and a set of substantially identical optical elements which are predominantly situated in a second plane which is substantially parallel to the first plane, the position of at least one light source with respect to an optical element opposite said light source differing from the position of one of the other light sources with respect to an optical element opposite said other light source.
  • Another advantage of the invention resides in that the number of light sources can be selected independently of the number of optical elements. As a result, the light intensity of the luminaire can be more readily adapted by adding or removing light sources, or by switching them on or off, without the desired light pattern being influenced.
  • the set of light sources and the set of optical elements each form a matrix, which matrices have substantially equal dimensions, while the number of rows and/or columns of two matrices are different.
  • the light sources are collimated light sources.
  • the light sources are collimated light sources.
  • the optical elements are rectangular, and border on each other over at least a part of their circumference. By virtue thereof, it can be ensured that the entire light beam emitted by the set of LEDs passes the set of optical elements, so that no light is lost.
  • the optical elements are provided, on one or both sides, with facets having different angles of inclination.
  • the angles of inclination are preferably calculated from the illumination pattern with which the object should be illuminated. By virtue thereof, it is possible to bring about a very complex and accurate light distribution to meet the particular requirements of the user. Such optical elements even enable text to be projected.
  • the optical elements have a sawtooth structure, the facets being formed by substantially parallel prisms.
  • a prism viewed in a direction in the plane of the optical element, preferably has curved sides.
  • Such prisms can be readily provided on a lens or a lens matrix by means of metal-removing tools.
  • the invention also relates to an optical element which is provided, on one or both sides, with facets, which facets have different angles of inclination.
  • the invention also relates to a method of illuminating an object, wherein a set of light sources are positioned predominantly in a first plane, and a set of substantially identical optical elements are positioned predominantly in a second plane which is substantially parallel to the first plane, at least one light source being arranged with respect to an optical element opposite said light source, in a position which differs from the position of one of the other light sources with respect to. an optical element opposite said other light source.
  • Fig. 2 is a sectional view, taken on the line II-II, of the luminaire shown in Fig. l;
  • Fig. 3 shows an optical element
  • Fig. 4 is a diagrammatic plan view of a luminaire
  • Fig. 5 diagrammatically shows the effect of the luminaire shown in Fig. 4.
  • Fig. 1 diagrammatically shows a plan view of a known luminaire
  • Fig. 2 is a cross-sectional view thereof, taken on the line H-II.
  • the luminaire comprises a box-shaped housing 1 accommodating 25 LED modules 2. These modules each include a light-emitting diode (LED) 3 and a collimator lens 4, which brings the rays of the LED into a parallel beam by means of reflection and refraction.
  • the outgoing parallel light beam extends substantially parallel to the axis of symmetry 5 of the LED module 2.
  • Each of these LED modules 2 has an axis of symmetry 5, which axes extend in mutually parallel directions.
  • the housing 1 has a cover 6 which is provided with 25 optical elements or lenses 7 whose axes of symmetry coincide with the axes of symmetry 5 of the LED modules 2.
  • the exit plane of each lens 7 is provided with a sawtooth-shaped structure 8 for deflecting the outgoing light generated by the relevant LED 3.
  • the individual lenses 7 may be oriented such that the deflected beams extend in parallel directions. It is alternatively possible, however, to orient individual lenses 7 in such a manner that a different, desired illumination pattern is obtained, as is shown, for example, in Fig. 1.
  • sawtooth-shaped structures having a different deflection power may also be used, for the different LED modules 2.
  • Fig. 3 shows a rectangular optical element 17 which can be applied in the invention.
  • Said optical element 17 is comprised of a flat plate of a transparent material wherein a row of prisms 18 is provided on one side by means of milling. These prisms 18 may also be provided on both sides of the optical element.
  • the surface of the optical element has an angle ⁇ which is different for each prism 18, and an angle ⁇ which varies, along the length of a prism 18, in accordance with a certain function, so that the prism, viewed in a direction in the plane of the optical element, is curved.
  • the direction wherein the light from the LED is deflected thus depends upon the location where the light ray enters the optical element.
  • the angles and the variation of the angle ⁇ are calculated by means of a computer from the required light pattern to be generated on the object to be illuminated. This pattern may be very complex; it has even been found possible to project text by means of such optical elements.
  • Such an optical element, or a matrix for such an element can be readily manufactured by clamping a rectangular piece of material on a milling machine at a certain angle and subsequently milling out a first prism, whereby the milling cutter follows a path which determines the variation of the angle ⁇ . Next, all subsequent prisms are milled out in a corresponding manner.
  • 25 LED modules 2 as shown in Figs. 1 and 2 are arranged in a 5x5 matrix in a housing.
  • the cover is not formed by a corresponding 5x5 matrix of lenses but by a 2x4 matrix of identical, rectangular optical elements 17 as shown in Fig. 3.
  • Ns c x Ws c Nl c x Wl c which determines the relationship between the dimensions of the optical elements and the distance between the LED modules.
  • the LED modules 2 are always in a different position with respect to an optical element 17, and the effect of this arrangement is comparable to the effect obtained if all LED modules would be positioned, with very little interspace, behind one optical element 17, as is shown in Fig. 5.
  • This arrangement would be physically impossible due to the dimensions of the LED modules 2. In this manner, a very uniform illumination of the optical element 17, and hence a very uniformly distributed light beam, are achieved.
  • the intended result can be achieved by choosing the number of rows and columns of the LED matrix and the lens matrix to be different, i.e. Ns r ⁇ Nl r and Ns c ⁇ Nl c , an optimum result being theoretically obtained by choosing the number of rows and columns such that the difference between them is only 1. Production-technical reasons, however, may argue in favor of different numbers.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Led Device Packages (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
PCT/EP2000/007693 1999-08-27 2000-08-07 Luminaire, optical element and method of illuminating an object Ceased WO2001016524A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2001520040A JP5048190B2 (ja) 1999-08-27 2000-08-07 照明装置、光学素子、および対象物の照明方法
DE60037178T DE60037178T2 (de) 1999-08-27 2000-08-07 Leuchte, optisches element und verfahren zum beleuchten eines objektes
EP00958400A EP1125085B1 (en) 1999-08-27 2000-08-07 Luminaire, optical element and method of illuminating an object

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP99202774 1999-08-27
EP99202774.8 1999-08-27

Publications (1)

Publication Number Publication Date
WO2001016524A1 true WO2001016524A1 (en) 2001-03-08

Family

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Family Applications (1)

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PCT/EP2000/007693 Ceased WO2001016524A1 (en) 1999-08-27 2000-08-07 Luminaire, optical element and method of illuminating an object

Country Status (8)

Country Link
US (1) US6554451B1 (https=)
EP (1) EP1125085B1 (https=)
JP (1) JP5048190B2 (https=)
KR (1) KR100799384B1 (https=)
CN (1) CN1335920A (https=)
DE (1) DE60037178T2 (https=)
TW (1) TW457732B (https=)
WO (1) WO2001016524A1 (https=)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2039982A1 (en) * 2007-09-21 2009-03-25 Shenzhen Gasun Energy Technology Co. Ltd. LED lighting device for street light
WO2009092400A1 (de) 2008-01-25 2009-07-30 We-Ef Leuchten Gmbh & Co. Kg Beleuchtungseinrichtung
WO2009103458A3 (de) * 2008-02-19 2009-11-12 Miele & Cie. Kg Kühlgerät mit einer ausserhalb des kühlraumes angeordneten beleuchtungseinrichtung
WO2013020762A1 (de) * 2011-07-08 2013-02-14 Zumtobel Lighting Gmbh Lichtbeeinflussungselement zur beeinflussung der lichtabgabe von im wesentlichen punktförmigen lichtquellen
EP3002505A1 (en) * 2014-09-30 2016-04-06 The Boeing Company Array-based lighting systems and methods of manufacturing
US9360172B2 (en) 2011-07-19 2016-06-07 Zumtobel Lighting Gmbh Arrangement for emitting light
EP3252371A1 (en) * 2016-06-02 2017-12-06 Federal Signal Corporation Warning devices with oscillating light patterns
EP3640532A4 (en) * 2017-06-13 2021-03-03 Amosense Co.,Ltd LENS COVER AND LED LIGHTING DEVICE WITH IT
US11137128B2 (en) 2019-04-01 2021-10-05 Federal Signal Corporation Warning devices with oscillating light patterns
FR3113513A1 (fr) * 2020-08-24 2022-02-25 Maquet Sas Dispositif d'éclairage opératoire

Families Citing this family (103)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE535009T1 (de) 2002-05-08 2011-12-15 Phoseon Technology Inc Hocheffiziente halbleiter-lichtquelle sowie verfahren zu deren verwendung und herstellung
US7718517B2 (en) 2002-08-19 2010-05-18 Im James S Single-shot semiconductor processing system and method having various irradiation patterns
US7164152B2 (en) 2003-09-16 2007-01-16 The Trustees Of Columbia University In The City Of New York Laser-irradiated thin films having variable thickness
WO2005034193A2 (en) 2003-09-19 2005-04-14 The Trustees Of Columbia University In The City Ofnew York Single scan irradiation for crystallization of thin films
US7819550B2 (en) * 2003-10-31 2010-10-26 Phoseon Technology, Inc. Collection optics for led array with offset hemispherical or faceted surfaces
WO2005043954A2 (en) * 2003-10-31 2005-05-12 Phoseon Technology, Inc. Series wiring of highly reliable light sources
KR101075232B1 (ko) * 2004-02-06 2011-10-20 삼성전자주식회사 도광판, 백라이트 유닛, 액정디스플레이 및 도광판의제조방법
WO2005091392A1 (en) * 2004-03-18 2005-09-29 Phoseon Technology, Inc. Micro-reflectors on a substrate for high-density led array
EP1754259B1 (en) * 2004-03-18 2019-07-17 Phoseon Technology, Inc. Direct and indirect cooling of leds
US7816638B2 (en) * 2004-03-30 2010-10-19 Phoseon Technology, Inc. LED array having array-based LED detectors
ES2363435T3 (es) * 2004-04-12 2011-08-04 Phoseon Technology, Inc. Matriz led de alta densidad.
WO2005100961A2 (en) * 2004-04-19 2005-10-27 Phoseon Technology, Inc. Imaging semiconductor strucutures using solid state illumination
US20060061014A1 (en) * 2004-09-17 2006-03-23 Beauchemin Paul E Injection molding of highly filled resins
US9281001B2 (en) * 2004-11-08 2016-03-08 Phoseon Technology, Inc. Methods and systems relating to light sources for use in industrial processes
US7645337B2 (en) 2004-11-18 2010-01-12 The Trustees Of Columbia University In The City Of New York Systems and methods for creating crystallographic-orientation controlled poly-silicon films
EP1842094A1 (en) * 2005-01-14 2007-10-10 Koninklijke Philips Electronics N.V. Variable reflector device
US8221544B2 (en) 2005-04-06 2012-07-17 The Trustees Of Columbia University In The City Of New York Line scan sequential lateral solidification of thin films
JP2009516892A (ja) 2005-11-21 2009-04-23 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 照明装置
KR20080080327A (ko) * 2005-11-21 2008-09-03 코닌클리즈케 필립스 일렉트로닉스 엔.브이. 조명 장치
CN101617069B (zh) 2005-12-05 2012-05-23 纽约市哥伦比亚大学理事会 处理膜的系统和方法以及薄膜
US7642527B2 (en) * 2005-12-30 2010-01-05 Phoseon Technology, Inc. Multi-attribute light effects for use in curing and other applications involving photoreactions and processing
US7222995B1 (en) 2006-01-19 2007-05-29 Bayco Products, Ltd. Unitary reflector and lens combination for a light emitting device
EA014861B1 (ru) 2006-05-30 2011-02-28 Необульб Текнолоджиз Инк. Светодиодное осветительное оборудование высокой мощности с высокой эффективностью теплоотвода
US7952262B2 (en) * 2006-09-30 2011-05-31 Ruud Lighting, Inc. Modular LED unit incorporating interconnected heat sinks configured to mount and hold adjacent LED modules
US20090086491A1 (en) 2007-09-28 2009-04-02 Ruud Lighting, Inc. Aerodynamic LED Floodlight Fixture
US9028087B2 (en) 2006-09-30 2015-05-12 Cree, Inc. LED light fixture
US7686469B2 (en) 2006-09-30 2010-03-30 Ruud Lighting, Inc. LED lighting fixture
US9243794B2 (en) 2006-09-30 2016-01-26 Cree, Inc. LED light fixture with fluid flow to and from the heat sink
EP2089656B2 (en) * 2006-11-27 2018-05-23 Philips Lighting North America Corporation Methods and apparatus for providing uniform projection lighting
WO2008070607A1 (en) * 2006-12-04 2008-06-12 Cree Led Lighting Solutions, Inc. Lighting assembly and lighting method
US20100027257A1 (en) * 2007-02-12 2010-02-04 Koninklijke Philips Electronics N.V. Lighting device comprising at least one led
US7618163B2 (en) * 2007-04-02 2009-11-17 Ruud Lighting, Inc. Light-directing LED apparatus
US7896521B2 (en) * 2007-05-04 2011-03-01 Abl Ip Holding Llc Adjustable light distribution system
US8614471B2 (en) 2007-09-21 2013-12-24 The Trustees Of Columbia University In The City Of New York Collections of laterally crystallized semiconductor islands for use in thin film transistors
WO2009042784A1 (en) 2007-09-25 2009-04-02 The Trustees Of Columbia University In The City Of New York Methods of producing high uniformity in thin film transistor devices fabricated on laterally crystallized thin films
CN101919058B (zh) 2007-11-21 2014-01-01 纽约市哥伦比亚大学理事会 用于制备外延纹理厚膜的系统和方法
WO2009067688A1 (en) 2007-11-21 2009-05-28 The Trustees Of Columbia University In The City Of New York Systems and methods for preparing epitaxially textured polycrystalline films
US8569155B2 (en) 2008-02-29 2013-10-29 The Trustees Of Columbia University In The City Of New York Flash lamp annealing crystallization for large area thin films
US8388193B2 (en) * 2008-05-23 2013-03-05 Ruud Lighting, Inc. Lens with TIR for off-axial light distribution
US9423096B2 (en) 2008-05-23 2016-08-23 Cree, Inc. LED lighting apparatus
US8348475B2 (en) 2008-05-23 2013-01-08 Ruud Lighting, Inc. Lens with controlled backlight management
DK2131627T3 (da) 2008-06-04 2014-01-13 Htw Dresden Lampe
US7841750B2 (en) 2008-08-01 2010-11-30 Ruud Lighting, Inc. Light-directing lensing member with improved angled light distribution
CN101726771A (zh) * 2008-10-27 2010-06-09 深圳富泰宏精密工业有限公司 扩散透镜及具有该扩散透镜的光源组件
US8802580B2 (en) 2008-11-14 2014-08-12 The Trustees Of Columbia University In The City Of New York Systems and methods for the crystallization of thin films
CN101750867A (zh) * 2008-12-08 2010-06-23 深圳富泰宏精密工业有限公司 便携式电子装置
CN101832507B (zh) * 2009-03-11 2012-07-25 富士迈半导体精密工业（上海）有限公司 照明装置
TW201040447A (en) * 2009-03-13 2010-11-16 Koninkl Philips Electronics Nv Pattern-projecting light-output system
US8317369B2 (en) * 2009-04-02 2012-11-27 Abl Ip Holding Llc Light fixture having selectively positionable housing
US9255686B2 (en) 2009-05-29 2016-02-09 Cree, Inc. Multi-lens LED-array optic system
US9087696B2 (en) 2009-11-03 2015-07-21 The Trustees Of Columbia University In The City Of New York Systems and methods for non-periodic pulse partial melt film processing
US8440581B2 (en) 2009-11-24 2013-05-14 The Trustees Of Columbia University In The City Of New York Systems and methods for non-periodic pulse sequential lateral solidification
US9646831B2 (en) 2009-11-03 2017-05-09 The Trustees Of Columbia University In The City Of New York Advanced excimer laser annealing for thin films
US9541257B2 (en) 2012-02-29 2017-01-10 Cree, Inc. Lens for primarily-elongate light distribution
US10408429B2 (en) 2012-02-29 2019-09-10 Ideal Industries Lighting Llc Lens for preferential-side distribution
US9541258B2 (en) 2012-02-29 2017-01-10 Cree, Inc. Lens for wide lateral-angle distribution
USD697664S1 (en) 2012-05-07 2014-01-14 Cree, Inc. LED lens
CN104335684B (zh) * 2012-07-17 2017-02-22 皇家飞利浦有限公司 用于沿或逆交通方向选择性地发射光的照明装置和控制该照明装置的方法
US9719655B2 (en) 2012-09-20 2017-08-01 Philips Lighting Holding B.V. Optical device with micro sized facets, lens, lighting device, system and method having the same
WO2014045158A1 (en) * 2012-09-20 2014-03-27 Koninklijke Philips N.V. Optical device, lens, lighting device, system and method
US9442243B2 (en) 2013-01-30 2016-09-13 Cree, Inc. Waveguide bodies including redirection features and methods of producing same
US9291320B2 (en) 2013-01-30 2016-03-22 Cree, Inc. Consolidated troffer
US10317608B2 (en) 2014-03-15 2019-06-11 Cree, Inc. Luminaires utilizing optical waveguide
US9411086B2 (en) 2013-01-30 2016-08-09 Cree, Inc. Optical waveguide assembly and light engine including same
US9709725B2 (en) 2013-03-15 2017-07-18 Cree, Inc. Luminaire utilizing waveguide
US9835317B2 (en) 2014-03-15 2017-12-05 Cree, Inc. Luminaire utilizing waveguide
US9690029B2 (en) 2013-01-30 2017-06-27 Cree, Inc. Optical waveguides and luminaires incorporating same
US10422944B2 (en) 2013-01-30 2019-09-24 Ideal Industries Lighting Llc Multi-stage optical waveguide for a luminaire
US9625638B2 (en) 2013-03-15 2017-04-18 Cree, Inc. Optical waveguide body
US10436969B2 (en) 2013-01-30 2019-10-08 Ideal Industries Lighting Llc Optical waveguide and luminaire incorporating same
US9869432B2 (en) 2013-01-30 2018-01-16 Cree, Inc. Luminaires using waveguide bodies and optical elements
US11408572B2 (en) 2014-03-15 2022-08-09 Ideal Industries Lighting Llc Luminaires utilizing optical waveguide
US9366396B2 (en) 2013-01-30 2016-06-14 Cree, Inc. Optical waveguide and lamp including same
US9952372B2 (en) 2013-03-15 2018-04-24 Cree, Inc. Luminaire utilizing waveguide
CN104509210B (zh) * 2013-02-19 2017-06-09 飞利浦灯具控股公司 用于控制照明的方法和装置
US9441810B2 (en) * 2013-03-08 2016-09-13 Kason Industries, Inc. Cooking hood LED light
US10209429B2 (en) 2013-03-15 2019-02-19 Cree, Inc. Luminaire with selectable luminous intensity pattern
US10436970B2 (en) 2013-03-15 2019-10-08 Ideal Industries Lighting Llc Shaped optical waveguide bodies
US9632295B2 (en) 2014-05-30 2017-04-25 Cree, Inc. Flood optic
US10379278B2 (en) * 2013-03-15 2019-08-13 Ideal Industries Lighting Llc Outdoor and/or enclosed structure LED luminaire outdoor and/or enclosed structure LED luminaire having outward illumination
USD718490S1 (en) 2013-03-15 2014-11-25 Cree, Inc. LED lens
US9581750B2 (en) 2013-03-15 2017-02-28 Cree, Inc. Outdoor and/or enclosed structure LED luminaire
US10502899B2 (en) * 2013-03-15 2019-12-10 Ideal Industries Lighting Llc Outdoor and/or enclosed structure LED luminaire
US10400984B2 (en) 2013-03-15 2019-09-03 Cree, Inc. LED light fixture and unitary optic member therefor
US9920901B2 (en) 2013-03-15 2018-03-20 Cree, Inc. LED lensing arrangement
US9798072B2 (en) 2013-03-15 2017-10-24 Cree, Inc. Optical element and method of forming an optical element
US9366799B2 (en) 2013-03-15 2016-06-14 Cree, Inc. Optical waveguide bodies and luminaires utilizing same
US9568662B2 (en) 2013-03-15 2017-02-14 Cree, Inc. Optical waveguide body
US9513424B2 (en) 2013-03-15 2016-12-06 Cree, Inc. Optical components for luminaire
US9523479B2 (en) 2014-01-03 2016-12-20 Cree, Inc. LED lens
US12372219B2 (en) * 2014-05-30 2025-07-29 Cree Lighting Usa Llc LED luminaire with a cavity, finned interior, and a curved outer wall extending from a surface on which the light source is mounted
US10935211B2 (en) 2014-05-30 2021-03-02 Ideal Industries Lighting Llc LED luminaire with a smooth outer dome and a cavity with a ridged inner surface
USD723211S1 (en) * 2014-07-11 2015-02-24 Chen-Wei Hsu Zoom lens with multi-layers for illumination
EP3174612B1 (en) 2014-08-01 2019-09-04 Smart Billiard Lighting LLC Billiard table lighting and game play monitor
US9827483B2 (en) 2014-08-01 2017-11-28 Smart Billiard Lighting LLC Billiard table lighting and game play monitor
US10267483B2 (en) * 2015-05-20 2019-04-23 Nichia Corporation Light-emitting device
USD835652S1 (en) 2015-12-10 2018-12-11 Smart Billiard Lighting LLC Display screen with transitional graphical user interface of a billiard game
US11719882B2 (en) 2016-05-06 2023-08-08 Ideal Industries Lighting Llc Waveguide-based light sources with dynamic beam shaping
US10416377B2 (en) 2016-05-06 2019-09-17 Cree, Inc. Luminaire with controllable light emission
US10468566B2 (en) 2017-04-10 2019-11-05 Ideal Industries Lighting Llc Hybrid lens for controlled light distribution
US10801714B1 (en) 2019-10-03 2020-10-13 CarJamz, Inc. Lighting device
WO2021209492A1 (en) * 2020-04-15 2021-10-21 CommScope Connectivity Belgium BV Device and method for sealing cables in telecommunications enclosures
CN220366325U (zh) * 2023-03-30 2024-01-19 深圳爱图仕创新科技股份有限公司 一种混光罩及照明设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2247672A1 (https=) * 1973-10-12 1975-05-09 Alexandre Et Co
FR2740535A1 (fr) * 1995-10-25 1997-04-30 Socop Sa Surface eclairante pour feux de signalisation
GB2329011A (en) * 1997-09-04 1999-03-10 Howells Railway Products Limit Light comprising a plurality of LEDs
WO1999050596A2 (en) * 1998-03-26 1999-10-07 Otkrytoe Aktsionernoe Obschestvo Lomo Illumination device for generating non-symmetric light beam, optical lens array and optical lens

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1430580A (en) * 1920-12-31 1922-10-03 Old James Harlan Lens
US1478680A (en) * 1921-02-08 1923-12-25 Pittsburgh Plate Glass Co Headlight glass or lens
DE4228895C2 (de) * 1992-08-29 2002-09-19 Bosch Gmbh Robert Kraftfahrzeug-Beleuchtungseinrichtung mit mehreren Halbleiterlichtquellen
JPH06317764A (ja) * 1993-04-27 1994-11-15 Olympus Optical Co Ltd 光学的ローパスフィルター
JPH07181565A (ja) * 1993-12-22 1995-07-21 Nikon Corp 照明光学系
SE503306C2 (sv) * 1994-03-16 1996-05-13 Itab Ind Ab Belysningsanordning
JP3410813B2 (ja) * 1994-05-16 2003-05-26 リコー光学株式会社 オプチカル・ホモジナイザー
US5575549A (en) * 1994-08-12 1996-11-19 Enplas Corporation Surface light source device
JPH08313811A (ja) * 1995-05-17 1996-11-29 Asahi Optical Co Ltd マルチビーム記録装置の光学系
WO1997026483A1 (en) * 1996-01-17 1997-07-24 Dialight Corporation An led illuminated lamp assembly
US6244728B1 (en) * 1999-12-13 2001-06-12 The Boeing Company Light emitting diode assembly for use as an aircraft position light

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2247672A1 (https=) * 1973-10-12 1975-05-09 Alexandre Et Co
FR2740535A1 (fr) * 1995-10-25 1997-04-30 Socop Sa Surface eclairante pour feux de signalisation
GB2329011A (en) * 1997-09-04 1999-03-10 Howells Railway Products Limit Light comprising a plurality of LEDs
WO1999050596A2 (en) * 1998-03-26 1999-10-07 Otkrytoe Aktsionernoe Obschestvo Lomo Illumination device for generating non-symmetric light beam, optical lens array and optical lens

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2039982A1 (en) * 2007-09-21 2009-03-25 Shenzhen Gasun Energy Technology Co. Ltd. LED lighting device for street light
WO2009092400A1 (de) 2008-01-25 2009-07-30 We-Ef Leuchten Gmbh & Co. Kg Beleuchtungseinrichtung
WO2009103458A3 (de) * 2008-02-19 2009-11-12 Miele & Cie. Kg Kühlgerät mit einer ausserhalb des kühlraumes angeordneten beleuchtungseinrichtung
US9618182B2 (en) 2011-07-08 2017-04-11 Zumtobel Lighting Gmbh Light-influencing element for influencing the light emission of essentially point light sources
WO2013020762A1 (de) * 2011-07-08 2013-02-14 Zumtobel Lighting Gmbh Lichtbeeinflussungselement zur beeinflussung der lichtabgabe von im wesentlichen punktförmigen lichtquellen
US9234644B2 (en) 2011-07-08 2016-01-12 Zumtobel Lighting Gmbh Optical element
US9562665B2 (en) 2011-07-08 2017-02-07 Zumtobel Lighting Gmbh Light modifier having complex lenses for LED luminaires
US9360172B2 (en) 2011-07-19 2016-06-07 Zumtobel Lighting Gmbh Arrangement for emitting light
US10222029B2 (en) 2014-09-30 2019-03-05 The Boeing Company Array-based lighting systems and methods of manufacturing
EP3002505A1 (en) * 2014-09-30 2016-04-06 The Boeing Company Array-based lighting systems and methods of manufacturing
RU2698805C2 (ru) * 2014-09-30 2019-08-30 Зе Боинг Компани Осветительные системы, выполненные на основе матрицы
EP3252371A1 (en) * 2016-06-02 2017-12-06 Federal Signal Corporation Warning devices with oscillating light patterns
US10859235B2 (en) 2016-06-02 2020-12-08 Federal Signal Corporation Warning devices with oscillating light patterns
EP3640532A4 (en) * 2017-06-13 2021-03-03 Amosense Co.,Ltd LENS COVER AND LED LIGHTING DEVICE WITH IT
US11137128B2 (en) 2019-04-01 2021-10-05 Federal Signal Corporation Warning devices with oscillating light patterns
FR3113513A1 (fr) * 2020-08-24 2022-02-25 Maquet Sas Dispositif d'éclairage opératoire
WO2022043135A1 (fr) * 2020-08-24 2022-03-03 Maquet Sas Dispositif d'éclairage opératoire

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TW457732B (en) 2001-10-01
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JP5048190B2 (ja) 2012-10-17
US6554451B1 (en) 2003-04-29
JP2003508798A (ja) 2003-03-04
EP1125085A1 (en) 2001-08-22
CN1335920A (zh) 2002-02-13
KR100799384B1 (ko) 2008-01-30
EP1125085B1 (en) 2007-11-21
DE60037178T2 (de) 2008-09-18

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