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WO2011118991A2 - Dispositif d'éclairage à led - Google Patents

Dispositif d'éclairage à led Download PDF

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Publication number
WO2011118991A2
WO2011118991A2 PCT/KR2011/002019 KR2011002019W WO2011118991A2 WO 2011118991 A2 WO2011118991 A2 WO 2011118991A2 KR 2011002019 W KR2011002019 W KR 2011002019W WO 2011118991 A2 WO2011118991 A2 WO 2011118991A2
Authority
WO
WIPO (PCT)
Prior art keywords
led
unit
lighting
lighting device
light
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/KR2011/002019
Other languages
English (en)
Korean (ko)
Other versions
WO2011118991A3 (fr
Inventor
박병기
박지훈
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.)
Individual
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 WO2011118991A2 publication Critical patent/WO2011118991A2/fr
Publication of WO2011118991A3 publication Critical patent/WO2011118991A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Images

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
    • F21K9/20—Light sources comprising attachment means
    • 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
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
    • 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
    • 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
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
    • 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
    • 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
    • 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
    • F21Y2113/00—Combination of 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention relates to an LED lighting device having a plurality of LED elements.
  • LED lighting device a plurality of LED elements are arranged on one board. In this case, if some of the plurality of LED devices fail, it is inexpensive to replace the entire board.
  • LED lighting device As an LED lighting device to solve this problem, there have been attempts to divide the board and modularize it into a plurality of subdivided boards so that partial replacement is possible. Such LED lighting device has a problem that the four-section of the lighting occurs between the board due to the light linearity of the LED device. In addition, in order to replace the LED module, there is an inconvenience in that the user must directly touch the LED module to which the LED elements are exposed.
  • An object of the present invention is to provide an LED lighting device that can easily replace only the corresponding area when a partial defect occurs while providing uniform and efficient lighting.
  • Still another object of the present invention is to provide a LED lighting device having high lighting efficiency while reducing manufacturing costs.
  • Another object of the present invention is to provide an LED lighting device that can easily adjust the brightness.
  • Still another object of the present invention is to provide an LED lamp having excellent heat dissipation effect.
  • the support frame A plurality of lighting units including a unit base detachably coupled to the support frame and having a reflecting surface extending from the unit base along a light path of the LED element from the unit base; And a diffuser having a partial light reflectivity for diffusing light which is disposed in the transverse direction on the optical path in front of the optical path of the LED element and which is irradiated.
  • a single SMPS or a plurality of SMPSs may control all lighting units or groups of lighting units grouped into a plurality of groups at the same time or by group, but it is preferable to provide a switched-mode power supply (SMPS) for each lighting unit.
  • SMPS switched-mode power supply
  • the diffusion unit may be separately disposed in each of the lighting units to spread the light generated from each of the lighting units, and the second diffusion unit may be supported by the support frame to diffuse the entire light generated from the plurality of lighting units. At least one of the diffusion portion.
  • the LED lighting device preferably further comprises a gripping portion.
  • the unit base for supporting the LED elements;
  • a reflector having a reflecting surface extending along a path of light generated from the LED element fixed to the unit base;
  • a diffuser configured to spread light irradiated by being disposed in a transverse direction in front of the optical path.
  • the reflector may be made of any one of glass, ceramic, metal, and plastic.
  • the reflector may be connected to a unit base to allow the LED elements to emit heat generated.
  • the LED lighting device of the present invention when a partial defect of the LED lighting device occurs, only the lighting unit corresponding to the partial defect can be easily replaced.
  • the use of a small number of LED elements can solve the problem of degradation of illumination caused by the four-section of the light generated between the lighting unit and the lighting unit.
  • ED lighting device of the present invention may individually control the lighting unit through the SMPS included in each lighting unit, or may be controlled in a group of a plurality of lighting unit group through one SMPS.
  • the reflection plate can be used to effectively dissipate heat generated from the LED elements of each lighting unit.
  • FIG. 1 is a cross-sectional view of the LED lighting device according to the present invention installed on the ceiling of the building.
  • FIG. 2 is a cross-sectional view of the LED lighting device separated from FIG. 1, illustrating a detachable state of one lighting unit.
  • FIG 3 is a perspective view showing a lighting unit having a holding unit according to another embodiment of the present invention.
  • FIG. 4 is a cross-sectional view showing in detail the structure of the lighting unit.
  • FIG. 1 shows the LED lighting device 1 installed in the groove 3 of the building ceiling 2, and FIG. 2 can be used as a separate LED lighting device 1 by hanging it on a street lamp or a factory building.
  • the support frame 10 may be made of plastic having excellent thermal conductivity, and may be made of aluminum or copper plate with an insulating layer having high heat transfer performance.
  • the illumination unit 20 includes a unit base 22, a plurality of LED elements 21, a reflector 23, and a first diffuser 27, as shown in FIG. 4.
  • the unit base 22 includes coupling members 29a and 29b for supplying a power voltage to the supported LED element 21 and for detachable coupling to the support frame 10.
  • the reflector 23 is attached to the outer side of one surface of the unit base 23 and manufactured in a funnel shape having a reflecting surface 25 extending along the optical path of the LED element 21.
  • the reflector 23 can also be manufactured integrally with the unit base 23 by injection molding.
  • the LED lighting device 1 includes a first diffuser 27 that intersects the light irradiated to scatter the linear light emitted from the LED element 21.
  • the one-diffusion unit 27 has a partial light transmittance, so that a part of the light is reflected and scattered.
  • first diffusion unit 27 instead of arranging the first diffusion unit 27 in each lighting unit 20 individually, one second diffusion unit that traverses the entire light irradiated from all the lighting units 20 of the LED lighting device 1. 30 can be used. Of course, if necessary, both the first diffusion unit 27 and the second diffusion unit 30 may be used.
  • a sheet-like transparent plate having a high light transmittance may be disposed on the side where the diffusion parts 27 and 30 are not disposed.
  • the second diffusion unit 30 is attached to the ceiling 2 when the LED lighting device 1 is installed in the groove 3 of the ceiling 2 instead of being installed in the support frame 10 as shown in FIG. 1. It is also possible to block the groove 3.
  • the detachment of the lighting unit 20 and the support frame 10 may include a receptacle socket (not shown) of the coupling members 29a and 29b of the lighting unit 20 and the support frame 10. ) Is achieved by fitting together.
  • a partial defect of the LED lamp device 1 occurs, the user can easily replace only the lighting unit 20 of the defect.
  • the adjacent adjacent lighting units 20 are arranged such that the lighting openings 26 of the reflecting unit are close to each other.
  • the present invention compensates for the decrease in luminance at the boundary point by the reflecting portion 23 disposed between the adjacent lighting units 20.
  • the present invention uses diffusers 27 and 30 that cross the path of light irradiated from the LED elements 21, where the light is partially scattered by the diffusers 27 and 30, and the scattered light is reconstructed. By reflecting to illuminate a predetermined space between the lighting unit (20).
  • the LED lighting device 1 mounts one switched-mode power supply (SMPS) 40a to the support frame 10 to drive all the lighting units 20, or a plurality of power supply devices SMPS.
  • a switched-mode power supply (40b) can be mounted and driven in each lighting unit (20).
  • SMPS switched-mode power supply
  • manufacturing costs are disadvantageous, but power can be controlled in each lighting unit 20 unit.
  • the holding portion 28 in the form of an opening is provided in the diffusion member 27.
  • the gripping portion 28 may act as a passage for dissipating heat generated inside the lighting unit 20 to the outside.
  • the shape of the gripping portion 28 is not limited to the shape of the opening, and when the lighting opening 26 is a square or a triangular shape, if R is given to a corner, a gripping portion (gap) of a predetermined space is formed between the opposite corners. Can be. In addition, it is also possible to form a gripping portion protruding in the diffusion member 27 or the reflecting portion (23).
  • the lighting unit 20 comprises a unit base 22 supporting the LED elements 21; A reflector (23) having a reflecting surface (25) shaped to diffuse along the optical path of the LED element (21) fixed to the unit base (22); Switched-mode power supply (SMPS) for supplying power to the sheet-like diffusion member 27 and the LED elements 21 which are disposed in the transverse direction to the optical path in front of the optical path and diffuse the irradiated light ( And 40b).
  • SMPS Switched-mode power supply
  • the unit base 22 supporting the LED element is made of a ceramic or plastic substrate having a high thermal conductivity or an insulating layer having high heat transfer performance on an aluminum or copper plate.
  • the shape of the unit base 22 is not limited to only a planar shape, but may be configured to a non-planar shape that is convex or concave toward the light illumination area.
  • the reflector 23 attached to the outside of the unit base 22 serves to reflect the light scattered by the diffusion member 27, and the funnel diffuses along the open inlet 24 and the light path. It consists of a reflecting surface 25 and the illumination opening 26 from which light comes out.
  • An open inlet 24 is attached to the unit base 22 to include the LED elements 21 in its opening.
  • the reflector 23 is made of a material such as glass, ceramic, aluminum (Al) film, metal, plastic, or the like. In case of using glass, the cost is low, the production is easy, and the aesthetics are beautiful. When using a material having a weak reflection function such as glass, ceramic, plastic, etc., the reflective surface 25 is coated with a reflective material.
  • the reflector 23 is made of a metal such as aluminum (Al), copper (Cu) or a plastic material having excellent thermal conductivity, and when connected to the unit base 22, the LED element 21 of the lighting unit 20 is provided. It is possible to dissipate the heat generated therefrom.
  • the diffusion part 27 is made of a material having excellent flame retardancy of a material such as polycarbonate (PC).
  • the lighting unit 20 includes coupling members 29a and 29b in the form of tap terminals (+,-cross-section pillars) to avoid user's + and-pole confusion as shown in FIG.
  • This +,-pole type coupling means 29a, 29b is used when the lighting unit 20 does not have its own switched-mode power supply (SMPS) 40b, that is, one SMPS in the LED lighting device 1 (switched-mode power supply) 40a is fitted to control a plurality of lighting units 20. If each lighting unit 20 includes a separate switched-mode power supply (SMPS) 40b, the individual switched-mode power supply (SMPS) 40b is different from FIG. 4 in the coupling members 29a and 29b. Will be included in the receptacle socket (not shown) to which it is coupled.
  • SMPS switched-mode power supply
  • Coupling members 29a and 29b in the form of a tap terminal as shown in FIG. 4 can also be manufactured in the form of a BL type connection structure such as an incandescent lamp.
  • the number of LED elements 21 included in the lighting unit 20 is determined as necessary. That is, when the LED defect rate is very small and the change rate of brightness is large, the lighting unit 20 will be composed of a larger number of LED elements 21. When the LED defect rate is very high and the brightness change rate is small, It will consist of fewer LED elements 21. In particular, when the lighting unit 20 is used as an individual luminaire, it is possible to design several kinds of lighting units 20 having various outputs by adjusting the number of LED elements.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Power Engineering (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

La présente invention concerne un dispositif d'éclairage à LED qui réalise un éclairage uniforme et efficace et qui est équipé de pièces telles que les zones affectées peuvent être remplacées facilement en cas de défaut partiel. Le dispositif d'éclairage à LED comprend : un cadre support; une pluralité d'unités d'éclairage munies d'une base d'unité qui est connectée au cadre support, adaptée pour être fixée au cadre support et en être détachée, et qui supporte une pluralité d'éléments à LED, ainsi que d'une unité de réflexion qui présente des surfaces réfléchissantes ayant une forme qui s'étend à partir de la base d'unité le long du trajet de la lumière des éléments à LED; et une unité de diffusion qui est positionnée à l'avant du trajet de la lumière des éléments à LED et horizontalement par rapport à celui-ci afin de diffuser la lumière émise.
PCT/KR2011/002019 2010-03-25 2011-03-24 Dispositif d'éclairage à led Ceased WO2011118991A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020100026922A KR101221464B1 (ko) 2010-03-25 2010-03-25 Ｌｅｄ 조명등기구
KR10-2010-0026922 2010-03-25

Publications (2)

Publication Number Publication Date
WO2011118991A2 true WO2011118991A2 (fr) 2011-09-29
WO2011118991A3 WO2011118991A3 (fr) 2012-01-05

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PCT/KR2011/002019 Ceased WO2011118991A2 (fr) 2010-03-25 2011-03-24 Dispositif d'éclairage à led

Country Status (2)

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KR (1) KR101221464B1 (fr)
WO (1) WO2011118991A2 (fr)

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013155014A1 (fr) * 2012-04-10 2013-10-17 Cree, Inc. Luminaire de type plafonnier encastré à lentilles
WO2014135486A1 (fr) * 2013-03-07 2014-09-12 Zumtobel Lighting Gmbh Lampe dotée d'un module d'éclairage à del
US8905575B2 (en) 2012-02-09 2014-12-09 Cree, Inc. Troffer-style lighting fixture with specular reflector
US8931929B2 (en) 2012-07-09 2015-01-13 Cree, Inc. Light emitting diode primary optic for beam shaping
US9052075B2 (en) 2013-03-15 2015-06-09 Cree, Inc. Standardized troffer fixture
USD749768S1 (en) 2014-02-06 2016-02-16 Cree, Inc. Troffer-style light fixture with sensors
US9285099B2 (en) 2012-04-23 2016-03-15 Cree, Inc. Parabolic troffer-style light fixture
US9310038B2 (en) 2012-03-23 2016-04-12 Cree, Inc. LED fixture with integrated driver circuitry
US9360185B2 (en) 2012-04-09 2016-06-07 Cree, Inc. Variable beam angle directional lighting fixture assembly
US9423117B2 (en) 2011-12-30 2016-08-23 Cree, Inc. LED fixture with heat pipe
US9423104B2 (en) 2013-03-14 2016-08-23 Cree, Inc. Linear solid state lighting fixture with asymmetric light distribution
US9494304B2 (en) 2012-11-08 2016-11-15 Cree, Inc. Recessed light fixture retrofit kit
US9494294B2 (en) 2012-03-23 2016-11-15 Cree, Inc. Modular indirect troffer
US9494293B2 (en) 2010-12-06 2016-11-15 Cree, Inc. Troffer-style optical assembly
USD772465S1 (en) 2014-02-02 2016-11-22 Cree Hong Kong Limited Troffer-style fixture
US9581312B2 (en) 2010-12-06 2017-02-28 Cree, Inc. LED light fixtures having elongated prismatic lenses
USD786471S1 (en) 2013-09-06 2017-05-09 Cree, Inc. Troffer-style light fixture
US9777897B2 (en) 2012-02-07 2017-10-03 Cree, Inc. Multiple panel troffer-style fixture
US9822951B2 (en) 2010-12-06 2017-11-21 Cree, Inc. LED retrofit lens for fluorescent tube
USD807556S1 (en) 2014-02-02 2018-01-09 Cree Hong Kong Limited Troffer-style fixture
US10012354B2 (en) 2015-06-26 2018-07-03 Cree, Inc. Adjustable retrofit LED troffer
US10054274B2 (en) 2012-03-23 2018-08-21 Cree, Inc. Direct attach ceiling-mounted solid state downlights
US10309627B2 (en) 2012-11-08 2019-06-04 Cree, Inc. Light fixture retrofit kit with integrated light bar
US10527225B2 (en) 2014-03-25 2020-01-07 Ideal Industries, Llc Frame and lens upgrade kits for lighting fixtures
US10544925B2 (en) 2012-01-06 2020-01-28 Ideal Industries Lighting Llc Mounting system for retrofit light installation into existing light fixtures
US10648643B2 (en) 2013-03-14 2020-05-12 Ideal Industries Lighting Llc Door frame troffer
US10823347B2 (en) 2011-07-24 2020-11-03 Ideal Industries Lighting Llc Modular indirect suspended/ceiling mount fixture
US10883702B2 (en) 2010-08-31 2021-01-05 Ideal Industries Lighting Llc Troffer-style fixture
DE102014104436B4 (de) * 2014-03-28 2021-03-11 Siteco Gmbh Lichttechnische Abdeckung für eine Leuchte oder ein Leuchtenmodul

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KR20160136983A (ko) * 2015-05-22 2016-11-30 강해일 엘이디 램프 및 이를 제어하는 부하 제어 시스템
KR101986601B1 (ko) 2019-02-26 2019-09-30 주식회사 알프스이십일 고광량 분체 도료 조성물 및 그 분체 도료 조성물이 코팅된 led 조명 장치
KR102011877B1 (ko) 2019-05-02 2019-08-20 주식회사 알프스이십일 고광량 분체 도료 조성물이 코팅된 led 조명 장치

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KR20090012706A (ko) * 2007-07-31 2009-02-04 (주)엘이디밸리 고출력 엘이디 가로등
KR20090025707A (ko) * 2007-09-07 2009-03-11 류찬형 조명기구
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KR100985488B1 (ko) * 2008-06-11 2010-10-06 주식회사 테인엘티에스 조명장치

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US11306895B2 (en) 2010-08-31 2022-04-19 Ideal Industries Lighting Llc Troffer-style fixture
US10883702B2 (en) 2010-08-31 2021-01-05 Ideal Industries Lighting Llc Troffer-style fixture
US9822951B2 (en) 2010-12-06 2017-11-21 Cree, Inc. LED retrofit lens for fluorescent tube
US9581312B2 (en) 2010-12-06 2017-02-28 Cree, Inc. LED light fixtures having elongated prismatic lenses
US9494293B2 (en) 2010-12-06 2016-11-15 Cree, Inc. Troffer-style optical assembly
US11209135B2 (en) 2011-07-24 2021-12-28 Ideal Industries Lighting Llc Modular indirect suspended/ceiling mount fixture
US10823347B2 (en) 2011-07-24 2020-11-03 Ideal Industries Lighting Llc Modular indirect suspended/ceiling mount fixture
US9423117B2 (en) 2011-12-30 2016-08-23 Cree, Inc. LED fixture with heat pipe
US10544925B2 (en) 2012-01-06 2020-01-28 Ideal Industries Lighting Llc Mounting system for retrofit light installation into existing light fixtures
US11408569B2 (en) 2012-01-06 2022-08-09 Ideal Industries Lighting Llc Mounting system for retrofit light installation into existing light fixtures
US9777897B2 (en) 2012-02-07 2017-10-03 Cree, Inc. Multiple panel troffer-style fixture
US8905575B2 (en) 2012-02-09 2014-12-09 Cree, Inc. Troffer-style lighting fixture with specular reflector
US9310038B2 (en) 2012-03-23 2016-04-12 Cree, Inc. LED fixture with integrated driver circuitry
US9494294B2 (en) 2012-03-23 2016-11-15 Cree, Inc. Modular indirect troffer
US10514139B2 (en) 2012-03-23 2019-12-24 Ideal Industries, Llc LED fixture with integrated driver circuitry
US10054274B2 (en) 2012-03-23 2018-08-21 Cree, Inc. Direct attach ceiling-mounted solid state downlights
US9360185B2 (en) 2012-04-09 2016-06-07 Cree, Inc. Variable beam angle directional lighting fixture assembly
WO2013155014A1 (fr) * 2012-04-10 2013-10-17 Cree, Inc. Luminaire de type plafonnier encastré à lentilles
US9874322B2 (en) 2012-04-10 2018-01-23 Cree, Inc. Lensed troffer-style light fixture
US9285099B2 (en) 2012-04-23 2016-03-15 Cree, Inc. Parabolic troffer-style light fixture
US8931929B2 (en) 2012-07-09 2015-01-13 Cree, Inc. Light emitting diode primary optic for beam shaping
US9494304B2 (en) 2012-11-08 2016-11-15 Cree, Inc. Recessed light fixture retrofit kit
US10309627B2 (en) 2012-11-08 2019-06-04 Cree, Inc. Light fixture retrofit kit with integrated light bar
US10378746B2 (en) 2013-03-07 2019-08-13 Zumtobel Lighting Gmbh Light device with an LED lighting module
CN105008790B (zh) * 2013-03-07 2019-04-12 宗拓贝尔照明器材有限公司 具有led照明模块的led装置
WO2014135486A1 (fr) * 2013-03-07 2014-09-12 Zumtobel Lighting Gmbh Lampe dotée d'un module d'éclairage à del
CN105008790A (zh) * 2013-03-07 2015-10-28 宗拓贝尔照明器材有限公司 具有led照明模块的led装置
US9423104B2 (en) 2013-03-14 2016-08-23 Cree, Inc. Linear solid state lighting fixture with asymmetric light distribution
US10648643B2 (en) 2013-03-14 2020-05-12 Ideal Industries Lighting Llc Door frame troffer
US10228111B2 (en) 2013-03-15 2019-03-12 Cree, Inc. Standardized troffer fixture
US9052075B2 (en) 2013-03-15 2015-06-09 Cree, Inc. Standardized troffer fixture
USD786471S1 (en) 2013-09-06 2017-05-09 Cree, Inc. Troffer-style light fixture
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WO2011118991A3 (fr) 2012-01-05
KR20110107661A (ko) 2011-10-04

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