DE69708615D1 - Beleuchtungssystem mit blenden aufweisenden mikroprismen - Google Patents
Beleuchtungssystem mit blenden aufweisenden mikroprismenInfo
- Publication number
- DE69708615D1 DE69708615D1 DE69708615T DE69708615T DE69708615D1 DE 69708615 D1 DE69708615 D1 DE 69708615D1 DE 69708615 T DE69708615 T DE 69708615T DE 69708615 T DE69708615 T DE 69708615T DE 69708615 D1 DE69708615 D1 DE 69708615D1
- Authority
- DE
- Germany
- Prior art keywords
- microprisms
- light output
- displaying
- light
- lighting system
- 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.)
- Expired - Lifetime
Links
Classifications
-
- 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- 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
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
- F21V11/06—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using crossed laminae or strips, e.g. grid-shaped louvers; using lattices or honeycombs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/002—Refractors for light sources using microoptical elements for redirecting or diffusing light
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/002—Refractors for light sources using microoptical elements for redirecting or diffusing light
- F21V5/005—Refractors for light sources using microoptical elements for redirecting or diffusing light using microprisms
-
- 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
- F21V7/0091—Reflectors for light sources using total internal reflection
-
- 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
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
- F21V11/08—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures
- F21V11/14—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures with many small apertures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/101—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening permanently, e.g. welding, gluing or riveting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
- F21Y2103/37—U-shaped
-
- 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]
-
- 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133504—Diffusing, scattering, diffracting elements
- G02F1/133507—Films for enhancing the luminance
-
- 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/622,131 US5839823A (en) | 1996-03-26 | 1996-03-26 | Back-coupled illumination system with light recycling |
PCT/US1997/004621 WO1997036131A1 (en) | 1996-03-26 | 1997-03-21 | Illumination system comprising microprisms with blocking means |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69708615D1 true DE69708615D1 (de) | 2002-01-10 |
DE69708615T2 DE69708615T2 (de) | 2002-08-01 |
Family
ID=24493060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69708615T Expired - Lifetime DE69708615T2 (de) | 1996-03-26 | 1997-03-21 | Beleuchtungssystem mit blenden aufweisenden mikroprismen |
Country Status (12)
Country | Link |
---|---|
US (1) | US5839823A (de) |
EP (1) | EP0890060B1 (de) |
JP (1) | JP2000507736A (de) |
CN (1) | CN1083079C (de) |
AT (1) | ATE209768T1 (de) |
CA (1) | CA2250312C (de) |
DE (1) | DE69708615T2 (de) |
DK (1) | DK0890060T3 (de) |
ES (1) | ES2169374T3 (de) |
PT (1) | PT890060E (de) |
TW (1) | TW419572B (de) |
WO (1) | WO1997036131A1 (de) |
Families Citing this family (116)
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CA2374023C (en) * | 1999-05-20 | 2009-06-30 | Zumtobel Staff Gmbh | Light |
DE19923226A1 (de) * | 1999-05-20 | 2000-11-23 | Zumtobel Staff Gmbh | Optisches Element mit Mikroprismenstruktur zur Umlenkung von Lichtstrahlen |
DE19923225B4 (de) * | 1999-05-20 | 2009-10-22 | Zumtobel Staff Gmbh | Optisches Element zur Umlenkung von Lichtstrahlen und Herstellungsverfahren |
US6912513B1 (en) * | 1999-10-29 | 2005-06-28 | Sony Corporation | Copy-protecting management using a user scrambling key |
AU2000226369B2 (en) * | 2000-02-02 | 2006-01-19 | Brilliant Film, Llc | Multiflecting light directing film |
US6697042B1 (en) * | 2000-11-27 | 2004-02-24 | Rainbow Displays, Inc. | Backlight assembly for collimated illumination |
DE10124370B4 (de) * | 2001-05-18 | 2010-11-18 | Zumtobel Lighting Gmbh | Optisches Element mit Totalreflexion |
DE10125553A1 (de) * | 2001-05-23 | 2002-11-28 | Philips Corp Intellectual Pty | Flüssigkristallbildschirm mit Kollimator |
JP4136339B2 (ja) * | 2001-08-06 | 2008-08-20 | 大日本印刷株式会社 | 光拡散シートおよびプロジェクションスクリーン |
US7595934B2 (en) * | 2002-03-26 | 2009-09-29 | Brilliant Film Llc | Integrated sub-assembly having a light collimating or transflecting device |
US7345824B2 (en) * | 2002-03-26 | 2008-03-18 | Trivium Technologies, Inc. | Light collimating device |
US7128443B2 (en) | 2002-06-28 | 2006-10-31 | Koninklijke Philips Electronics, N.V. | Light-collimating system |
EP1520189A1 (de) | 2002-06-28 | 2005-04-06 | Koninklijke Philips Electronics N.V. | System zur kollimierung des lichts |
WO2004025171A1 (en) | 2002-09-12 | 2004-03-25 | Koninklijke Philips Electronics N.V. | An illumination system |
CN1682068A (zh) * | 2002-09-12 | 2005-10-12 | 皇家飞利浦电子股份有限公司 | 照明器件 |
JP2004233957A (ja) * | 2002-12-05 | 2004-08-19 | Toyota Industries Corp | 光学素子、面状照明装置及び液晶表示装置 |
US7245435B2 (en) * | 2002-12-16 | 2007-07-17 | 3M Innovative Properties Company | Lens array sheet and molding method |
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US20050002204A1 (en) * | 2003-07-04 | 2005-01-06 | Kun-Lung Lin | Module for uniforming light |
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-
1996
- 1996-03-26 US US08/622,131 patent/US5839823A/en not_active Expired - Fee Related
-
1997
- 1997-03-20 TW TW086103510A patent/TW419572B/zh not_active IP Right Cessation
- 1997-03-21 DK DK97916914T patent/DK0890060T3/da active
- 1997-03-21 PT PT97916914T patent/PT890060E/pt unknown
- 1997-03-21 EP EP97916914A patent/EP0890060B1/de not_active Expired - Lifetime
- 1997-03-21 WO PCT/US1997/004621 patent/WO1997036131A1/en active IP Right Grant
- 1997-03-21 CA CA002250312A patent/CA2250312C/en not_active Expired - Fee Related
- 1997-03-21 JP JP9534508A patent/JP2000507736A/ja active Pending
- 1997-03-21 CN CN97194941A patent/CN1083079C/zh not_active Expired - Fee Related
- 1997-03-21 ES ES97916914T patent/ES2169374T3/es not_active Expired - Lifetime
- 1997-03-21 AT AT97916914T patent/ATE209768T1/de active
- 1997-03-21 DE DE69708615T patent/DE69708615T2/de not_active Expired - Lifetime
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DE69708615T2 (de) | 2002-08-01 |
ATE209768T1 (de) | 2001-12-15 |
PT890060E (pt) | 2002-04-29 |
EP0890060A1 (de) | 1999-01-13 |
ES2169374T3 (es) | 2002-07-01 |
US5839823A (en) | 1998-11-24 |
CA2250312A1 (en) | 1997-10-02 |
CA2250312C (en) | 2004-10-12 |
JP2000507736A (ja) | 2000-06-20 |
DK0890060T3 (da) | 2002-02-18 |
TW419572B (en) | 2001-01-21 |
WO1997036131A1 (en) | 1997-10-02 |
EP0890060B1 (de) | 2001-11-28 |
CN1083079C (zh) | 2002-04-17 |
CN1220002A (zh) | 1999-06-16 |
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