WO2012084899A1 - Module de source lumineuse a led (diode electroluminescente) - Google Patents
Module de source lumineuse a led (diode electroluminescente) Download PDFInfo
- Publication number
- WO2012084899A1 WO2012084899A1 PCT/EP2011/073339 EP2011073339W WO2012084899A1 WO 2012084899 A1 WO2012084899 A1 WO 2012084899A1 EP 2011073339 W EP2011073339 W EP 2011073339W WO 2012084899 A1 WO2012084899 A1 WO 2012084899A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- emitting diode
- source module
- led
- optical element
- derivatives
- Prior art date
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- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 1
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- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- 239000002530 phenolic antioxidant Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical group [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 235000010408 potassium alginate Nutrition 0.000 description 1
- 239000000737 potassium alginate Substances 0.000 description 1
- MZYRDLHIWXQJCQ-YZOKENDUSA-L potassium alginate Chemical compound [K+].[K+].O1[C@@H](C([O-])=O)[C@@H](OC)[C@H](O)[C@H](O)[C@@H]1O[C@@H]1[C@@H](C([O-])=O)O[C@@H](O)[C@@H](O)[C@H]1O MZYRDLHIWXQJCQ-YZOKENDUSA-L 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- SBIBMFFZSBJNJF-UHFFFAOYSA-N selenium;zinc Chemical compound [Se]=[Zn] SBIBMFFZSBJNJF-UHFFFAOYSA-N 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 235000010413 sodium alginate Nutrition 0.000 description 1
- 239000000661 sodium alginate Substances 0.000 description 1
- 229940005550 sodium alginate Drugs 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 150000003456 sulfonamides Chemical class 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 description 1
- 229940093635 tributyl phosphate Drugs 0.000 description 1
- 229960001147 triclofos Drugs 0.000 description 1
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 1
- YZWRNSARCRTXDS-UHFFFAOYSA-N tripropionin Chemical compound CCC(=O)OCC(OC(=O)CC)COC(=O)CC YZWRNSARCRTXDS-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/58—Optical field-shaping elements
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/02—Cellulose; Modified cellulose
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
- C08L3/02—Starch; Degradation products thereof, e.g. dextrin
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
- C08L5/04—Alginic acid; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
- C08L5/06—Pectin; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
- C08L5/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/52—Encapsulations
- H01L33/56—Materials, e.g. epoxy or silicone resin
Definitions
- the present invention relates to a polymeric optical element such as a lens for an LED light source module (LED), and in particular an LED light source module comprising this optical element, and an LED lamp. including this module.
- LED LED light source module
- LED lamp LED lamp
- Light emitting diode lighting devices are known (generally designated by LED or LED). Such diodes have a long life, have low consumption and do not produce excessive heat.
- white LEDs increasingly powerful and powerful in terms of brightness, which can be substituted for incandescent or halogen lamps.
- LED lamps generally comprise one or more LED chips (light emitting diode), and an optical system comprising one or more optical elements such as lenses. These optical elements are generally transparent, glass or polymeric material. The optical system notably makes it possible to optimize the transmission of the light generated by the LED chip (s). We are always looking for new high performance materials.
- the present invention proposes, in a first object, an optical element such as a lens for LED light source module (light emitting diode), the optical element comprising at least one polymer chosen from polymers. cellulose and its derivatives, starch and its derivatives, alginates and their derivatives, guars and their derivatives, chitin and its derivatives, pectin and its derivatives.
- the invention provides an LED light source module (light emitting diode) comprising an optical system with at least one optical element as described above.
- the invention provides an LED lamp (light emitting diode) comprising this module.
- the invention relates first of all to a polymeric optical element for LED light source module (light emitting diode).
- the polymer of the optical element may for example be one of the following polymers: cellulose, cellulose acetate, cellulose propionate, cellulose butyrate, cellulose triacetate, ethylcellulose , hydroxyethylcellulose, methylcellulose, hydroxymethylcellulose, starch, hydroxypropyl starch, starch acetate, starch propionate, starch butyrate or mixed starch esters, gum arabic, agar-agar, alginic acid, sodium alginate, potassium alginate, calcium alginate, gum tragacanth, guar gum, locust bean gum.
- the polymer may be a derivative of cellulose, for example cellulose acetate, cellulose propionate, cellulose butyrate, cellulose triacetate, ethylcellulose, hydroxyethylcellulose or methylcellulose. hydroxymethylcellulose.
- the cellulose derivative is obtained from cellulose derived from high quality wood pulp, or from cellulose from the cotton interlinter.
- high quality wood pulp is meant a wood pulp comprising at least 95% by weight of alpha cellulose.
- the amount of alpha cellulose is determined according to the ISO 692 standard.
- the cellulose resulting from the cotton linter it is preferably an acetate grade.
- the polymer may be a cellulose ester. It is generally organic esters and in particular aliphatic esters.
- the cellulose ester has an acyl group having 2 to 4 carbon atoms as an ester group. It can be mixed esters of cellulose. Examples of suitable cellulose esters in the context of the invention are: cellulose acetate, cellulose propionate, cellulose butyrate, cellulose acetate propionate, cellulose acetatobutyrate, acetatophthalate cellulose, acetate propionate butyrate cellulose.
- the butyryl group forming the butyrate may be linear or branched.
- the degree of substitution of the cellulose is between 2 and 3, preferably between 2.3 and 2.9.
- the degree of substitution of the cellulose is determined according to ASTM D871-72
- the intrinsic viscosity of the polymer of the invention is advantageously between 0.3 and 0.4, preferably between 0.32 and 0.35. Intrinsic viscosity is measured according to ASTM D871-72.
- the polymer of the optical element may be a mixture of several polymers.
- the polymer is cellulose acetate.
- the optical element advantageously comprises at least 50% by weight of polymer, preferably at least 55% by weight.
- the optical element comprises a plasticizer.
- a plasticizer By way of example of a plasticizer, mention may be made of triacetin, diethyl phthalate, dimethyl phthalate, butyl phthalyl butyl glycolate, diethyl citrate, dimethoxy ethyl phthalate, ethyl phthalyl ethyl glycolate and methyl phthalyl ethyl.
- glycolate the sulfonamides n-ethyl-o, p-toluene, triphenyl phosphate, tricresyl phosphate, dibutoxy ethyl phthalate, diamyl phthalate, tributyl citrate, tributyl acetyl citrate, tripropyl acetyl citrate, tripropionine, tributyrin, o-sulfonamide, p-toluene, pentaerythritol tetraacetate, dibutyl tartrate, diethylene glycol diacetate, diethylene glycol dipropionate, dibutyl adipate, dioctyl adipate, dibutyl azelate, trichloroethyl phosphate, tributyl phosphate, di-n-butyl sebacate, dibutyl phthalate, dioctyl phthalate, butylbenz
- the optical element comprises a thermal stabilizer (thermal degradation and / or thermooxidative protector) such as an antioxidant.
- thermal stabilizers mention may be made of glycidyl ethers, metal salts of weak acids and phenols. substituted, etc.
- antioxidants examples include hindered phenolic antioxidants. Such antioxidants are for example described in patent applications WO 2004/000921 and WO02 / 053633. Irganox 1076® (octadecyl 3,5-di-tert-butyl-r-hydroxyhydrocinnamate) and Nrganox 1010® (tetrakis (methylene (3,5-di-tert-butyl-4-hydroxyhydrocinnamate) methane) are examples. such antioxidants.
- Irganox 1076® octadecyl 3,5-di-tert-butyl-r-hydroxyhydrocinnamate
- Nrganox 1010® tetrakis (methylene (3,5-di-tert-butyl-4-hydroxyhydrocinnamate) methane
- the optical element comprises a light stabilizer.
- light stabilizers By way of examples of light stabilizers, mention may be made of stabilizers having at least one hindered amine unit (Hindered Amine Light Stabilizer H.A.L.S.). Such additives are for example described in patent applications WO 2004/000921 and WO2005 / 040262.
- UV absorbers may also be mentioned. Such UV absorbers are described in particular in patent application WO 2004/000921.
- oxanilides benzophenones such as Uvinul 400® (2,4-dihydroxybenzophenone), benzotriazoles such as Tinuvin 360® (dimeric 2-hydroxyphenylbenzotriazole) or 2, 2'-methylenebis (6- (2H-benzotriazol-2-yl) -4-1, 1, 3,3-tetramethylbutyl) phenol, 2-hydroxyphenyltriazines such as Tinuvin 1577FF® (2,4-Diphenyl- 6- (2-hydroxy-4-hexyloxyphenyl) -s-triazine, Tinuvin 234® (2- (2H-benzzotriazol-2-yl) 4,6-bis (1-ethyl-1-phenylethylphenol).
- the optical element may also comprise one or more additives chosen from fillers, dyes, pigments, antistatic agents, surfactants, lubricants, dispersing agents, flame retardants, aid additives or molding. , shock modifiers. This list is not exhaustive.
- the optical element is an object / article obtained by shaping the constituent (s) constitutive (s) of the optical element. It may be for example articles selected from the group consisting of injected or molded parts.
- the optical element has a thickness of between 0.4 and 40 mm, preferably between 1 and 30 mm, even more preferably between 2 and 25 mm.
- the optical element is advantageously a lens. It can be a Fresnel lens. It can be convex or concave. Preferably the optical element of the invention is optically transparent, that is to say it has a light transmittance of at least 88% according to ASTM D1003.
- the optical element may be prepared according to any known method for preparing an optical element, in particular a lens.
- granules consisting of (the) constituent compound (s) of the optical element, for example by extrusion in the form of rods, the polymer or a composition comprising the polymer constituent of the optical element; rushes which are then cut to form granules.
- Additives such as plasticizers, stabilizers etc. can be introduced at different locations of the extrusion device, for example at different locations of a twin-screw extruder.
- the granules can then be introduced into a processing and shaping device, such as a molding, injection molding, extrusion, casting molding, etc.
- the invention also relates to an LED light source module (light emitting diode) comprising an optical system having at least one optical element as described above.
- This LED light source module (light emitting diode) comprises:
- At least one LED chip encapsulated in an encapsulating material such as an epoxy resin
- At least one optical system comprising at least one optical element as described above
- LED light source modules light emitting diode
- the LED chip (light emitting diode) of the LED light source module of the invention may be any chip that emits in the visible, ultraviolet or infrared.
- the structure of the LED chip comprises a layer of semiconductor material.
- the LED chip may comprise layers of semiconductor material of columns III and IV of the periodic table of elements, such as GaAs, GaAlAs, GaN, InGaN, GaP, etc., or layers of semiconductor material of the columns.
- II to VI of the periodic table of elements such as ZnSe, ZnSSe, CdTe, etc., or semiconductor material layers of columns IV and V of the periodic table of elements, such as SiC.
- the LED chip may also include other layers.
- the LED light source module (light emitting diode) of the invention may comprise a plurality of LED chips.
- the structure of optical systems LED light source modules (light emitting diode) is known to those skilled in the art. It can be complex and varied.
- the optical system allows in particular to optimize the transmission of light generated by the LED chip (s) of the module.
- the optical system comprises at least one optical element. It can include a combination of several optical elements.
- the optical system can have different shapes and different arrangements. These shapes and arrangements are known to those skilled in the art.
- the optical element is a lens that covers the LED chip. It can for example be in the form of ball, dome etc.
- the optical element is a collimator, a collector or a divergent.
- a collimator is an optical element that concentrates the luminous flux.
- the invention finally relates to an LED lamp (light emitting diode) comprising at least the LED light source module of the invention.
- the lamp also comprises a bulb or a basin covering the LED light source module.
- This bulb or this basin usually has a protective role of the LED light source module.
- the bulb can be of different shapes. It can for example be round, curved, cylindrical, etc.
- the ampoule or vessel preferably comprises at least one polymer chosen from the following polymers: cellulose and its derivatives, starch and its derivatives, alginates and their derivatives, guars and their derivatives, chitin and its derivatives, pectin and its derivatives. All that has been described above on the polymer of the optical element applies here for the bulb or the basin.
- the optical element of the invention has very good properties for its application in LED light source modules. Indeed, it is transparent (it has a transmittance to high light), lighter than glass, and it has good mechanical properties, in terms of particular module. It can be obtained in various sizes and shapes, and is suitable for mass production. Another advantage of the optical element of the invention is that it is made of a biobased material.
- Example 1 Plasticized cellulose acetate discs for an optical element in an LED light source module were prepared in this example.
- a cellulose acetate of degree of substitution 2.45 and intrinsic viscosity 0.342 according to the ASTM D871-72 standard was plasticized by 30% by weight of triacetin marketed by Eastman, in extrusion.
- This material was prepared under the following conditions.
- the cellulose acetate powder was introduced through the feed hopper and the liquid plasticizer (triacetin) was introduced at the beginning of the screw by a specific feed channel.
- the implementation conditions applied are the following:
- plasticized cellulose acetate rod was granulated.
- the granules thus prepared were then shaped by injection molding with an Arburg 350-90® press (35-tonne mold closing force).
- Disks of plasticized cellulose acetate 85 mm in diameter and 3 mm thick were obtained under the following conditions:
- a Konica Minolta CM-5® spectrophotometer was then used to measure the transmittance according to ASTM D1003. A 94.3% transmittance at 700 nm was obtained for this 3 mm thick sample.
- Example 2 In this example, a CAB 381-2® cellulose butyrate acetate marketed by Eastman was plasticized with 10% by weight of triacetin marketed by Aldrich. The following additives have been added to the formulation:
- Irganox ® 1010 tetrakis (methylene (3,5-di- (tert) -butyl-4-hydrocinnamate)) methane
- Ciba tetrakis (methylene (3,5-di- (tert) -butyl-4-hydrocinnamate) methane
- Irgafos ® 168 tris- (2,4-di-tert-butylphenyl) phosphite
- UV absorber o 0.3% by weight of Tinuvin ® 234 (2- (2H-benzzotriazol-2-yl) 4,6-bis (1-ethyl-1- phenylethylphenol) (marketed by the company Ciba).
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Optics & Photonics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Led Device Packages (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201180068017.5A CN103492911A (zh) | 2010-12-20 | 2011-12-20 | Led(电致发光二极管)光源模块 |
EP11802711.9A EP2656117A1 (fr) | 2010-12-20 | 2011-12-20 | Module de source lumineuse a led (diode electroluminescente) |
US13/995,435 US20130341665A1 (en) | 2010-12-20 | 2011-12-20 | LED (Light-Emitting Diode) Luminous Source Module |
KR1020137019027A KR20140048078A (ko) | 2010-12-20 | 2011-12-20 | Led(발광 다이오드) 광원 모듈 |
JP2013543834A JP2014501444A (ja) | 2010-12-20 | 2011-12-20 | Led(発光ダイオード)光源モジュール |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1060823 | 2010-12-20 | ||
FR1060823A FR2969311B1 (fr) | 2010-12-20 | 2010-12-20 | Module de source lumineuse a led (diode electroluminescente) |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012084899A1 true WO2012084899A1 (fr) | 2012-06-28 |
Family
ID=44307594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2011/073339 WO2012084899A1 (fr) | 2010-12-20 | 2011-12-20 | Module de source lumineuse a led (diode electroluminescente) |
Country Status (7)
Country | Link |
---|---|
US (1) | US20130341665A1 (fr) |
EP (1) | EP2656117A1 (fr) |
JP (1) | JP2014501444A (fr) |
KR (1) | KR20140048078A (fr) |
CN (1) | CN103492911A (fr) |
FR (1) | FR2969311B1 (fr) |
WO (1) | WO2012084899A1 (fr) |
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US8791471B2 (en) * | 2008-11-07 | 2014-07-29 | Cree Hong Kong Limited | Multi-chip light emitting diode modules |
JP5623697B2 (ja) * | 2008-12-22 | 2014-11-12 | 株式会社朝日ラバー | 光学レンズ付きシート部材、ならびに発光装置およびそれを用いた液晶表示装置、看板 |
US8508116B2 (en) * | 2010-01-27 | 2013-08-13 | Cree, Inc. | Lighting device with multi-chip light emitters, solid state light emitter support members and lighting elements |
-
2010
- 2010-12-20 FR FR1060823A patent/FR2969311B1/fr not_active Expired - Fee Related
-
2011
- 2011-12-20 JP JP2013543834A patent/JP2014501444A/ja active Pending
- 2011-12-20 WO PCT/EP2011/073339 patent/WO2012084899A1/fr active Application Filing
- 2011-12-20 CN CN201180068017.5A patent/CN103492911A/zh active Pending
- 2011-12-20 KR KR1020137019027A patent/KR20140048078A/ko not_active Application Discontinuation
- 2011-12-20 EP EP11802711.9A patent/EP2656117A1/fr not_active Withdrawn
- 2011-12-20 US US13/995,435 patent/US20130341665A1/en not_active Abandoned
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WO2002053633A2 (fr) | 2000-12-29 | 2002-07-11 | Nylstar S.A. | Compositions a base de polyamide contenant l'acide (hypo)phosphoreux |
WO2004000921A1 (fr) | 2002-06-19 | 2003-12-31 | Ciba Specialty Chemicals Holding Inc. | Compositions de polyamides stabilisees |
EP1641048A1 (fr) * | 2003-05-30 | 2006-03-29 | Mitsubishi Chemical Corporation | Dispositif emetteur de lumiere |
WO2005040262A2 (fr) | 2003-10-20 | 2005-05-06 | Rhodianyl | Composition stabilisee vis-a-vis de la lumiere et/ou de la chaleur |
US20060105483A1 (en) * | 2004-11-18 | 2006-05-18 | Leatherdale Catherine A | Encapsulated light emitting diodes and methods of making |
US20070269586A1 (en) * | 2006-05-17 | 2007-11-22 | 3M Innovative Properties Company | Method of making light emitting device with silicon-containing composition |
JP2009276687A (ja) * | 2008-05-16 | 2009-11-26 | Optmate Corp | 積層光学フィルム、その製造方法及びそれを用いた光学デバイス |
US20100264432A1 (en) * | 2009-04-15 | 2010-10-21 | SemiLEDs Optoelectronics Co., Ltd. | Light emitting device with high color rendering index and high luminescence efficiency |
Also Published As
Publication number | Publication date |
---|---|
FR2969311B1 (fr) | 2013-01-18 |
EP2656117A1 (fr) | 2013-10-30 |
KR20140048078A (ko) | 2014-04-23 |
JP2014501444A (ja) | 2014-01-20 |
US20130341665A1 (en) | 2013-12-26 |
CN103492911A (zh) | 2014-01-01 |
FR2969311A1 (fr) | 2012-06-22 |
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