CA2774229A1 - Lighting device with off-state white appearance - Google Patents
Lighting device with off-state white appearance Download PDFInfo
- Publication number
- CA2774229A1 CA2774229A1 CA2774229A CA2774229A CA2774229A1 CA 2774229 A1 CA2774229 A1 CA 2774229A1 CA 2774229 A CA2774229 A CA 2774229A CA 2774229 A CA2774229 A CA 2774229A CA 2774229 A1 CA2774229 A1 CA 2774229A1
- Authority
- CA
- Canada
- Prior art keywords
- light
- lighting device
- state
- light source
- switchable
- 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.)
- Abandoned
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 68
- 239000000463 material Substances 0.000 claims abstract description 16
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical group [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 29
- 230000003098 cholesteric effect Effects 0.000 claims description 3
- 239000004038 photonic crystal Substances 0.000 claims description 3
- 238000002310 reflectometry Methods 0.000 description 23
- 238000001228 spectrum Methods 0.000 description 6
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 5
- 239000004983 Polymer Dispersed Liquid Crystal Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 239000004986 Cholesteric liquid crystals (ChLC) Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005424 photoluminescence Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000001429 visible spectrum Methods 0.000 description 1
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
-
- 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
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/003—Controlling the distribution of the light emitted by adjustment of elements by interposition of elements with electrically controlled variable light transmissivity, e.g. liquid crystal elements or electrochromic devices
-
- 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
- F21K9/64—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
-
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/851—Wavelength conversion means
-
- 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
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/233—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating a spot light distribution, e.g. for substitution of reflector lamps
-
- 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]
-
- 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
- F21Y2115/30—Semiconductor lasers
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/13718—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on a change of the texture state of a cholesteric liquid crystal
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/855—Optical field-shaping means, e.g. lenses
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Led Device Packages (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP09170502 | 2009-09-17 | ||
| EP09170502.0 | 2009-09-17 | ||
| PCT/IB2010/054083 WO2011033431A1 (en) | 2009-09-17 | 2010-09-10 | Lighting device with off-state white appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2774229A1 true CA2774229A1 (en) | 2011-03-24 |
Family
ID=43347883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2774229A Abandoned CA2774229A1 (en) | 2009-09-17 | 2010-09-10 | Lighting device with off-state white appearance |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US9920908B2 (enExample) |
| EP (1) | EP2478291B1 (enExample) |
| JP (1) | JP5867928B2 (enExample) |
| KR (1) | KR20120081153A (enExample) |
| CN (1) | CN102549335A (enExample) |
| BR (1) | BR112012005679A2 (enExample) |
| CA (1) | CA2774229A1 (enExample) |
| RU (1) | RU2546495C2 (enExample) |
| TW (1) | TWI565912B (enExample) |
| WO (1) | WO2011033431A1 (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2631554C2 (ru) | 2012-03-09 | 2017-09-25 | Филипс Лайтинг Холдинг Б.В. | Светоизлучающее устройство с регулируемым цветом |
| DE102012111123A1 (de) * | 2012-09-26 | 2014-03-27 | Osram Opto Semiconductors Gmbh | Licht emittierendes Halbleiterbauelement |
| JP2016511914A (ja) * | 2013-01-30 | 2016-04-21 | コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． | 光ガイド組立体のための照明装置 |
| DE102014218666A1 (de) * | 2014-09-17 | 2016-03-17 | Osram Oled Gmbh | Optoelektronische Vorrichtung mit variabler Farbeigenschaft |
| US9841167B2 (en) | 2014-09-25 | 2017-12-12 | GE Lighting Solutions, LLC | Lighting system with actively controllable optics and method |
| JP6845150B2 (ja) * | 2015-03-31 | 2021-03-17 | シグニファイ ホールディング ビー ヴィＳｉｇｎｉｆｙ Ｈｏｌｄｉｎｇ Ｂ．Ｖ． | 装飾的な白色照明のための動的なカラーシャドウ |
| US20190058091A1 (en) * | 2015-09-21 | 2019-02-21 | Sabic Global Technologies B.V. | Whitening method for phosphor's color at off-state in lighting application |
| US10274164B2 (en) * | 2016-10-21 | 2019-04-30 | Signify Holding B.V. | Lighting device comprising a plurality of different light sources with similar off-state appearance |
| US10495263B2 (en) * | 2017-10-27 | 2019-12-03 | Consumer Lighting (U.S.), Llc | LED filament lamps with white filament appearance |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1007485A3 (nl) * | 1993-09-08 | 1995-07-11 | Philips Electronics Nv | Schakelbaar cholesterisch filter en verlichtingsarmatuur voorzien van een filter. |
| US6147733A (en) * | 1996-07-26 | 2000-11-14 | Shiseido Co., Ltd. | Diffusing film and liquid crystal display element employing the same |
| US7071907B1 (en) * | 1999-05-07 | 2006-07-04 | Candescent Technologies Corporation | Display with active contrast enhancement |
| US6359673B1 (en) | 1999-06-21 | 2002-03-19 | Eastman Kodak Company | Sheet having a layer with different light modulating materials |
| RU2214073C2 (ru) * | 1999-12-30 | 2003-10-10 | Общество с ограниченной ответственностью "Научно-производственное предприятие "Кристаллы и Технологии" | Источник белого света |
| ES2292979T3 (es) * | 2002-06-06 | 2008-03-16 | Ilight Technologies, Inc. | Dispositivo de iluminacion para imitar el alumbrado de neon mediante el uso de fluorocromos. |
| US7118438B2 (en) | 2003-01-27 | 2006-10-10 | 3M Innovative Properties Company | Methods of making phosphor based light sources having an interference reflector |
| US7312560B2 (en) | 2003-01-27 | 2007-12-25 | 3M Innovative Properties | Phosphor based light sources having a non-planar long pass reflector and method of making |
| JP4184189B2 (ja) * | 2003-08-13 | 2008-11-19 | 株式会社 日立ディスプレイズ | 発光型表示装置 |
| US7123796B2 (en) * | 2003-12-08 | 2006-10-17 | University Of Cincinnati | Light emissive display based on lightwave coupling |
| CN1942997B (zh) * | 2004-04-15 | 2011-03-23 | 皇家飞利浦电子股份有限公司 | 电可控色彩转换单元 |
| US7301601B2 (en) * | 2004-05-20 | 2007-11-27 | Alps Electric (Usa) Inc. | Optical switching device using holographic polymer dispersed liquid crystals |
| WO2007107903A1 (en) * | 2006-03-23 | 2007-09-27 | Koninklijke Philips Electronics N.V. | Led-based lighting device with colour control |
| DE102006051746A1 (de) * | 2006-09-29 | 2008-04-03 | Osram Opto Semiconductors Gmbh | Optoelektronisches Bauelement mit einer Lumineszenzkonversionsschicht |
| WO2008044171A2 (en) | 2006-10-11 | 2008-04-17 | Koninklijke Philips Electronics N.V. | Led based luminaire and lighting device |
| US7845822B2 (en) * | 2006-12-29 | 2010-12-07 | Koninklijke Philips Electronics N.V. | Illumination device including a color selecting panel for recycling unwanted light |
| DE102007022090A1 (de) | 2007-05-11 | 2008-11-13 | Osram Opto Semiconductors Gmbh | Lichtemittierendes Bauelement |
| JP2009021082A (ja) | 2007-07-11 | 2009-01-29 | Sharp Corp | 照明装置 |
| JP4762217B2 (ja) * | 2007-09-28 | 2011-08-31 | 富士フイルム株式会社 | 導光板、導光板ユニットおよび面状照明装置 |
| CN101861660B (zh) * | 2007-11-19 | 2012-12-26 | 皇家飞利浦电子股份有限公司 | 具有预定外观的光源和照明系统 |
| JP5014971B2 (ja) * | 2007-12-19 | 2012-08-29 | ソニーモバイルディスプレイ株式会社 | ディスプレイ装置 |
| WO2009087583A1 (en) * | 2008-01-08 | 2009-07-16 | Koninklijke Philips Electronics N.V. | Light output device with switchable reflector |
| CN102159881B (zh) * | 2008-09-23 | 2014-08-13 | 皇家飞利浦电子股份有限公司 | 具有热致可变反射元件的发光器件 |
| WO2010035176A1 (en) * | 2008-09-23 | 2010-04-01 | Koninklijke Philips Electronics N.V. | Illumination device with electrical variable scattering element |
-
2010
- 2010-09-10 JP JP2012529379A patent/JP5867928B2/ja not_active Expired - Fee Related
- 2010-09-10 BR BR112012005679A patent/BR112012005679A2/pt not_active IP Right Cessation
- 2010-09-10 CN CN2010800415461A patent/CN102549335A/zh active Pending
- 2010-09-10 WO PCT/IB2010/054083 patent/WO2011033431A1/en not_active Ceased
- 2010-09-10 EP EP10760073.6A patent/EP2478291B1/en not_active Not-in-force
- 2010-09-10 CA CA2774229A patent/CA2774229A1/en not_active Abandoned
- 2010-09-10 US US13/394,156 patent/US9920908B2/en not_active Expired - Fee Related
- 2010-09-10 RU RU2012115108/12A patent/RU2546495C2/ru not_active IP Right Cessation
- 2010-09-10 KR KR1020127009713A patent/KR20120081153A/ko not_active Ceased
- 2010-09-14 TW TW099131062A patent/TWI565912B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JP5867928B2 (ja) | 2016-02-24 |
| RU2012115108A (ru) | 2013-10-27 |
| US20120162964A1 (en) | 2012-06-28 |
| JP2013505533A (ja) | 2013-02-14 |
| BR112012005679A2 (pt) | 2017-05-30 |
| CN102549335A (zh) | 2012-07-04 |
| EP2478291B1 (en) | 2016-11-09 |
| TW201116778A (en) | 2011-05-16 |
| WO2011033431A1 (en) | 2011-03-24 |
| KR20120081153A (ko) | 2012-07-18 |
| EP2478291A1 (en) | 2012-07-25 |
| RU2546495C2 (ru) | 2015-04-10 |
| US9920908B2 (en) | 2018-03-20 |
| TWI565912B (zh) | 2017-01-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20150908 |
|
| FZDE | Discontinued |
Effective date: 20180911 |