WO2013109160A1 - Light-emitting diode lighting device - Google Patents

Light-emitting diode lighting device Download PDF

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Publication number
WO2013109160A1
WO2013109160A1 PCT/RU2012/000019 RU2012000019W WO2013109160A1 WO 2013109160 A1 WO2013109160 A1 WO 2013109160A1 RU 2012000019 W RU2012000019 W RU 2012000019W WO 2013109160 A1 WO2013109160 A1 WO 2013109160A1
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WO
WIPO (PCT)
Prior art keywords
light
lighting device
radiation
base
longitudinal
Prior art date
Application number
PCT/RU2012/000019
Other languages
French (fr)
Russian (ru)
Inventor
Юрий Борисович СОКОЛОВ
Original Assignee
Общество с ограниченной ответственностью "ДиС ПЛЮС"
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 Общество с ограниченной ответственностью "ДиС ПЛЮС" filed Critical Общество с ограниченной ответственностью "ДиС ПЛЮС"
Priority to EA201300284A priority Critical patent/EA022431B1/en
Priority to PCT/RU2012/000019 priority patent/WO2013109160A1/en
Publication of WO2013109160A1 publication Critical patent/WO2013109160A1/en

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Classifications

    • 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
    • F21V13/10—Combinations of only two kinds of elements the elements being reflectors and screens
    • 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
    • F21V13/12—Combinations of only three kinds of elements
    • F21V13/14—Combinations of only three kinds of elements the elements being filters or photoluminescent elements, 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
    • F21V7/00—Reflectors for light sources
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
    • F21V7/30—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings the coatings comprising photoluminescent substances
    • 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
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
    • F21V9/32—Elements containing photoluminescent material distinct from or spaced from the light source characterised by the arrangement of the photoluminescent material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/03—Lighting devices intended for fixed installation of surface-mounted type
    • F21S8/032—Lighting devices intended for fixed installation of surface-mounted type the surface being a floor or like ground surface, e.g. pavement
    • 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
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/507—Cooling arrangements characterised by the adaptation for cooling of specific components of means for protecting lighting devices from damage, e.g. housings
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • 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
    • 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

  • the invention relates to lighting engineering and is intended to create a light design, architectural lighting, outdoor and indoor lighting.
  • the lighting device contains, longitudinal
  • profiled body having a base and reflective surface; LEDs placed along the reflective surface and a light diffuser mounted on the housing (TWM403959 (U), CA2702713 (A1), WO2009111098 (A2)). .
  • Patent WO2009111098 is the closest analogue to the claimed decision on purpose and
  • An LED lighting device comprising a longitudinal profiled body having a base and reflective surface; LEDs placed along a reflective surface, light diffuser,
  • the reflecting surface is made parabolic, the optical axis of the LEDs is directed at an angle ⁇ to the base surface, the value of which is selected from the expression:
  • ⁇ is the angle between the base surface and the optical axis of the LED, deg.,
  • a means was established for converting radiation with a wavelength ⁇ into radiation with a wavelength K2 made in the form of phosphor particles placed on the surface and / or in the material of a longitudinal shell having a profile in the form of an arch and fixed on a reflective surface.
  • base surface refers to the part of the surface of the housing, designed to
  • the base surface may have a developed structure.
  • the base surface should be understood as a set of points of the developed structure that ensure stable
  • the power source is located between the base and
  • a reflecting surface in the longitudinal cavity of the housing formed by placing the reflector and the optical axis of the LEDs at an angle ⁇ to the base surface.
  • LED lighting device is illustrated by the following graphic materials:
  • FIG. 1 shows a cross section of an asymmetric housing of the device
  • figure 2 is a cross section of an asymmetric housing with installed light diffuser and a longitudinal sheath of LEDs;
  • Fig. 3 shows an isometric image of a fragment of an LED lighting device.
  • the LED lighting device comprises a longitudinal shaped housing 1 having a base 2 and reflecting 3 surfaces; LEDs 4 placed along the reflective surface 3, a light diffuser 5 mounted on the housing 1.
  • a power source (not shown) is placed in the longitudinal cavity b
  • the optical axis 7 of the LEDs 4 is directed at an angle ⁇ to the base surface 2.
  • Air channels 10 between the housing 1 and the supporting surface 11 contribute to the emergence of cooling convection flows.
  • a scattered and mixed luminous flux having sufficient uniformity in a unit of solid angle is radiated from the surface of the longitudinal sheath 8. In this case, part of the scattered flux
  • the surface may also be provided with a layer 9

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Led Device Packages (AREA)

Abstract

The light-emitting diode lighting device relates to lighting engineering and is intended for use in lighting design, architectural illumination and outdoor and indoor lighting. The technical result is a wider variety of lighting devices, more uniform luminous intensity of an elongate light-emitting surface, greater manufacturability of the design, improved use of the light beam aperture, and improved cooling of the sources of radiation. The invention comprises a longitudinal profiled body having a base surface and a reflecting surface, light-emitting diodes disposed along the reflecting surface, a light diffuser secured to the body, and a power supply, wherein the optical axis of the light-emitting diodes is oriented at an angle ψ to the base surface and a means for converting radiation with a wavelength λ1 into radiation with a wavelength λ2 is disposed between the light-emitting diodes and the light diffuser, said means being in the form of particles of a luminophore situated on the surface and/or in the material of a longitudinal envelope with an arcuate cross-section which is fastened to the reflecting surface.

Description

Светодиодное осветительное устройство ■Область техники  LED Lighting Device ■ Technical Field
Изобретение относится к светотехнике и предназначено для создания светового дизайна, архитектурной подсветки, наружного и внутреннего освещения .  The invention relates to lighting engineering and is intended to create a light design, architectural lighting, outdoor and indoor lighting.
■Уровень техники ■ BACKGROUND
Известны решения, в которых светодиодное  Known solutions in which LED
осветительное устройство содержит, продольный the lighting device contains, longitudinal
профилированный корпус, имеющий базовую и отражающую поверхности; светодиоды, размещенные вдоль отражающей поверхности, и световой рассеиватель , закрепленный на корпусе (TWM403959 (U) , СА2702713 (А1) , WO2009111098 (А2) ) . . profiled body having a base and reflective surface; LEDs placed along the reflective surface and a light diffuser mounted on the housing (TWM403959 (U), CA2702713 (A1), WO2009111098 (A2)). .
Патент WO2009111098 является наиболее близким аналогом к заявленному решению по назначению и  Patent WO2009111098 is the closest analogue to the claimed decision on purpose and
конструкции и принят в качестве прототипа. design and adopted as a prototype.
Техническим результатом заявленного решения является расширение арсенала светодиодных  The technical result of the claimed solution is to expand the arsenal of LED
осветительных устройств, повышение равномерности силы света протяженной светоизлучающей поверхности, lighting devices, increasing the uniformity of light intensity of an extended light-emitting surface,
повышение технологичности конструкции, оптимизация использования апертуры светового потока и улучшение охлаждения источников излучения. "Подробное описание решения improving technological design, optimizing the use of aperture of the light flux and improving the cooling of radiation sources. "Detailed description of the solution
Заявленное решение охарактеризуется следующими существенными признаками:  The claimed solution is characterized by the following essential features:
Светодиодное осветительное устройство, содержащее продольный профилированный корпус, имеющий базовую и отражающую поверхности; светодиоды, размещенные вдоль отражающей поверхности, световой рассеиватель ,  An LED lighting device comprising a longitudinal profiled body having a base and reflective surface; LEDs placed along a reflective surface, light diffuser,
закрепленный на корпусе, и источник питания, fixed on the case, and a power source,
отличающееся тем, что отражающая поверхность выполнена параболической, оптическая ось светодиодов направлена под углом ψ к базовой поверхности, величина которого выбрана из выражения: characterized in that the reflecting surface is made parabolic, the optical axis of the LEDs is directed at an angle ψ to the base surface, the value of which is selected from the expression:
0 < ψ < 90, где:  0 <ψ <90, where:
ψ - угол между базовой поверхностью и оптической осью светодиода, град., ψ is the angle between the base surface and the optical axis of the LED, deg.,
а между светодиодами и световым рассеив.ателем, and between the LEDs and the light diffuser,
установлено средство преобразования излучения с длиной волны λΐ в излучение с длиной волны К2 , выполненное в виде частиц люминофора, размещенных на поверхности и/или в материале продольной оболочки, имеющей профиль в виде арки и закрепленной на отражающей поверхности. A means was established for converting radiation with a wavelength λΐ into radiation with a wavelength K2 made in the form of phosphor particles placed on the surface and / or in the material of a longitudinal shell having a profile in the form of an arch and fixed on a reflective surface.
Под выражением «базовая поверхность» понимается часть поверхности корпуса, предназначенная для  The expression "base surface" refers to the part of the surface of the housing, designed to
крепления на опорной поверхности, например, стены. Для интенсификации теплообмена базовая поверхность может иметь развитую структуру. В этом случае под базовой поверхностью следует понимать совокупность точек развитой структуры, обеспечивающих устойчивое mounting on a supporting surface, such as a wall. To intensify heat transfer, the base surface may have a developed structure. In this case, the base surface should be understood as a set of points of the developed structure that ensure stable
положение корпуса на опорной поверхности. Образование воздушного зазора между корпусом и опорной the position of the housing on the supporting surface. Education air gap between the housing and the support
поверхностью способствует возникновению охлаждающих конвекционных потоков. surface contributes to the emergence of cooling convection flows.
Выбор интервала значений угла ψ обусловлен  The choice of the interval of values of the angle ψ is due to
потребностью выбирать направление максимума светового потока, без необходимости изменять опорную поверхность для размещения осветительного устройства. the need to choose the direction of the maximum luminous flux, without the need to change the supporting surface to accommodate the lighting device.
Для оптимизации технического результата  To optimize the technical result
целесообразным является использование следующих it is advisable to use the following
признаков : signs:
-продольная оболочка " зафиксирована на поверхности отражающей поверхности силами упругости материала оболочки. Монтаж оболочки не требует использования каких-либо вспомогательных инструментов; -longitudinal sheath "is fixed on the surface of the reflecting surface by the elastic forces of the sheath material. Installation of the sheath does not require the use of any auxiliary tools;
-источник питания размещен между базовой и  - The power source is located between the base and
отражающей поверхностью в продольной полости корпуса, образованной в результате размещения отражателя и оптической оси светодиодов под углом ψ к базовой поверхности . a reflecting surface in the longitudinal cavity of the housing formed by placing the reflector and the optical axis of the LEDs at an angle ψ to the base surface.
■Краткое описание чертежей. ■ Brief description of the drawings.
Светодиодное осветительное устройство поясняется следующими графическими материалами: LED lighting device is illustrated by the following graphic materials:
на фиг .1 показано поперечное сечение ассиметричного корпуса устройства;  in Fig. 1 shows a cross section of an asymmetric housing of the device;
на фиг.2 поперечное сечение ассиметричного корпуса с установленными световым рассеивателем и продольной оболочкой светодиодов; на фиг .3 показано изометрическое изображение фрагмента светодиодного осветительного устройства. figure 2 is a cross section of an asymmetric housing with installed light diffuser and a longitudinal sheath of LEDs; Fig. 3 shows an isometric image of a fragment of an LED lighting device.
Светодиодное осветительное устройство содержит продольный профилированный корпус 1, имеющий базовую 2 и отражающую 3 поверхности; светодиоды 4, размещенные вдоль отражающей поверхности 3, световой рассеиватель 5, закрепленный на корпусе 1. Источник питания (не показан) размещен в продольной полости б  The LED lighting device comprises a longitudinal shaped housing 1 having a base 2 and reflecting 3 surfaces; LEDs 4 placed along the reflective surface 3, a light diffuser 5 mounted on the housing 1. A power source (not shown) is placed in the longitudinal cavity b
ассиметричного корпуса 1. Оптическая ось 7 светодиодов 4 направлена под углом ψ к базовой поверхности 2. asymmetric housing 1. The optical axis 7 of the LEDs 4 is directed at an angle ψ to the base surface 2.
Между светодиодами 4 и световым рассеивателем 5, установлено средство преобразования излучения с длиной волны λΐ в излучение с длиной волны λ2 , выполненное в виде частиц люминофора, размещенных на поверхности и/или в материале продольной оболочки 8, имеющей профиль в виде арки и закрепленной на отражающей поверхности 3. Between the LEDs 4 and the light diffuser 5, there is installed a means of converting radiation with a wavelength of λΐ into radiation with a wavelength of λ2, made in the form of phosphor particles placed on the surface and / or in the material of the longitudinal sheath 8, which has a profile in the form of an arch and mounted on a reflective surface 3.
Воздушные каналы 10 между корпусом 1 и опорной поверхностью 11 способствуют возникновению охлаждающих конвекционных потоков.  Air channels 10 between the housing 1 and the supporting surface 11 contribute to the emergence of cooling convection flows.
Создаваемое светодиодами 3 точечное излучение с длиной волны λΐ , например, в синей области спектра, рассеивается и частично преобразуется люминофором в излучение с длиной волны λ2, например, в желтой  The point radiation with a wavelength λΐ generated by LEDs 3, for example, in the blue region of the spectrum, is scattered and partially converted by the phosphor into radiation with a wavelength λ2, for example, in yellow
области спектра. Рассеяный и перемешанный световой поток, обладающий достаточной равномерностью в единице телесного угла, излучается с поверхности продольной оболочки 8. При этом часть рассеянного потока spectral region. A scattered and mixed luminous flux having sufficient uniformity in a unit of solid angle is radiated from the surface of the longitudinal sheath 8. In this case, part of the scattered flux
отраженная от поверхности 3, способствует ещё большему перемешивания различных компонентов светового reflected from surface 3 contributes even more mixing various components of light
излучения. Следует отметить, что отражающая 3 radiation. It should be noted that reflective 3
поверхность может быть также снабжена слоем 9 the surface may also be provided with a layer 9
люминофора, который, после возбуждения его рассеянным излучением λΐ добавляет в общий световой поток phosphor, which, after its excitation by scattered radiation λΐ adds to the total light flux
красную, оранжевую или другую компоненту, позволяя таким образом регулировать цветовую температуры общего светового потока . red, orange or other component, thus allowing you to adjust the color temperature of the total luminous flux.
Повышение технологичности монтажа светодиодного осветительного устройства обусловлено отсутствием необходимости в использовании дополнительных крепежных деталей с одновременным обеспечением точность и надежность позиционирования элементов конструкции. -Возможность промышленного применения  Improving the manufacturability of the installation of LED lighting device due to the lack of need for the use of additional fasteners while ensuring accuracy and reliability of positioning of structural elements. -Possibility of industrial application
Приведенные в описании . варианты выполнения конструктивных элементов не являются исчерпывающими. Эквивалентные по достигаемому результату конструктивные решения могут иметь различные воплощения, приспособленные для реализации заявленного решения. Детали конструкции имеют технологичные формы, которые могут быть · реализованы с использованием известных средств, имеющих автоматизированное управление .  Given in the description. embodiments of structural elements are not exhaustive. Equivalent in terms of the achieved constructive solutions may have various embodiments adapted to implement the claimed solution. Structural details have technological forms that can be implemented using well-known means with automated control.

Claims

Формула изобретения Claim
1. Светодиодное осветительное устройство, содержащее продольный профилированный корпус, имеющий базовую и отражающую поверхности; светодиоды, размещенные вдоль отражающей поверхности, световой рассеиватель , закрепленный на корпусе, и источник питания, отличающееся тем, что отражающая поверхность выполнена параболической, оптическая ось светодиодов направлена под углом ψ к базовой  1. LED lighting device containing a longitudinal profiled body having a base and reflective surface; LEDs placed along the reflective surface, a light diffuser mounted on the housing, and a power source, characterized in that the reflective surface is made parabolic, the optical axis of the LEDs is directed at an angle ψ to the base
поверхности, величина которого выбрана из выражения: surface, the value of which is selected from the expression:
0 < ψ < 90, где:  0 <ψ <90, where:
ψ - угол между базовой поверхностью и оптической осью светодиода, град., ψ is the angle between the base surface and the optical axis of the LED, deg.,
а между светодиодами и световым рассеивателем, установлено, средство преобразования излучения с длиной волны . λΐ в излучение с длиной волны λ2, выполненное в виде частиц люминофора, размещенных на поверхности и/или в материале продольной оболочки, имеющей профиль в виде арки и and between the LEDs and the light diffuser, a means of converting radiation with a wavelength is found. λΐ into radiation with a wavelength of λ2, made in the form of phosphor particles placed on the surface and / or in the material of the longitudinal sheath having a profile in the form of an arch and
закрепленной на отражающей поверхности. fixed on a reflective surface.
2. Светодиодное осветительное устройство по пункту 1, отличающееся тем, что базовая поверхность снабжена развитой структурой, выполненной с возможностью образования  2. LED lighting device according to paragraph 1, characterized in that the base surface is provided with a developed structure, made with the possibility of education
воздушного зазора с опорной поверхностью. air gap with a supporting surface.
3. Светодиодное осветительное устройство по пункту 1, отличающееся тем, что продольная оболочка зафиксирована на поверхности отражающей поверхности силами упругости материала оболочки. 3. LED lighting device according to paragraph 1, characterized in that the longitudinal sheath is fixed on the surface of the reflecting surface by the elastic forces of the shell material.
4. Светодиодное осветительное устройство по пункту 1, отличающееся тем, что источник питания размещен между базовой и отражающей поверхностью в продольной полости корпуса .  4. LED lighting device according to paragraph 1, characterized in that the power source is located between the base and reflective surface in the longitudinal cavity of the housing.
PCT/RU2012/000019 2012-01-20 2012-01-20 Light-emitting diode lighting device WO2013109160A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EA201300284A EA022431B1 (en) 2012-01-20 2012-01-20 Light-emitting diode lighting device
PCT/RU2012/000019 WO2013109160A1 (en) 2012-01-20 2012-01-20 Light-emitting diode lighting device

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PCT/RU2012/000019 WO2013109160A1 (en) 2012-01-20 2012-01-20 Light-emitting diode lighting device

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WO2013109160A1 true WO2013109160A1 (en) 2013-07-25

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060198147A1 (en) * 2001-12-29 2006-09-07 Shichao Ge LED and LED lamp
WO2009111098A2 (en) * 2008-03-02 2009-09-11 Altair Engineering, Inc. Lens and heatsink assembly for a led light tube
EP2146133A2 (en) * 2008-06-25 2010-01-20 Osram-Sylvania Inc. Tubular blue LED lamp with remote phosphor
RU110454U1 (en) * 2011-05-16 2011-11-20 Государственное образовательное учреждение высшего профессионального образования "Мордовский государственный университет им. Н.П. Огарева" LED LAMP

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060198147A1 (en) * 2001-12-29 2006-09-07 Shichao Ge LED and LED lamp
WO2009111098A2 (en) * 2008-03-02 2009-09-11 Altair Engineering, Inc. Lens and heatsink assembly for a led light tube
EP2146133A2 (en) * 2008-06-25 2010-01-20 Osram-Sylvania Inc. Tubular blue LED lamp with remote phosphor
RU110454U1 (en) * 2011-05-16 2011-11-20 Государственное образовательное учреждение высшего профессионального образования "Мордовский государственный университет им. Н.П. Огарева" LED LAMP

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EA022431B1 (en) 2015-12-30

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