JP2005072018A - 光学的に透明なフィルム - Google Patents
光学的に透明なフィルム Download PDFInfo
- Publication number
- JP2005072018A JP2005072018A JP2004334672A JP2004334672A JP2005072018A JP 2005072018 A JP2005072018 A JP 2005072018A JP 2004334672 A JP2004334672 A JP 2004334672A JP 2004334672 A JP2004334672 A JP 2004334672A JP 2005072018 A JP2005072018 A JP 2005072018A
- Authority
- JP
- Japan
- Prior art keywords
- film
- light
- optically transparent
- transparent film
- prism
- 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.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
-
- 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
- F21V5/02—Refractors for light sources of prismatic shape
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
- G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
- G02B6/0021—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
- G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Optical Elements Other Than Lenses (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
【解決手段】 光学的に透明なフィルムにおいて、第1と第2の表面を有し、第1の表面は、その上に複数の三角プリズムの形態の構造を有していて、各々のプリズムが頂角をもっていて、その頂角のうちのいくつかは他の頂角とは相違している。別の光学的に透明なフィルムは、第1の表面が複数の三角プリズムの構造を有し、第2の表面が、フィルムを通過して出る光のビームによって照らされた領域の形を変化させる手段を含んでいる。
【選択図】 図1
Description
12…空洞
14…光源
16…フィルム
18…第1の面
20…第2の面
22…構造体
24…構造体
26…プリズム
32…プリズム
33…プリズム
34…プリズム
35…プリズム
36…プリズム
Claims (3)
- 光学的に透明な照明器具用フィルムであって、一方の表面が構造を有していて、その構造が複数の三角プリズムの形態であり、各々のプリズムが頂角を持っていて、その頂角のうちのいくつかは他の頂角とは相違し、前記プリズムの2つの側部のなかの一方の側部を介して前記照明器具からの光が前記フィルムに入射し、前記プリズムのもう一方の側部において全反射し、前記フィルムの他の表面を通過してフィルムから出る光学的に透明な照明器具用フィルム。
- 前記フィルム表面上の構造における複数の頂角が繰り返しのグループを形成している請求項1に記載の光学的に透明なフィルム。
- 前記プリズムの頂角が不規則に相違している請求項1に記載の光学的に透明なフィルム。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/429,163 US5040883A (en) | 1989-10-30 | 1989-10-30 | Light fixture with beam shaping lens |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003314959A Division JP3644951B2 (ja) | 1989-10-30 | 2003-09-08 | 光学的に透明なフィルム |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2005072018A true JP2005072018A (ja) | 2005-03-17 |
Family
ID=23702071
Family Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29168190A Expired - Fee Related JP3224387B2 (ja) | 1989-10-30 | 1990-10-29 | 光線抽出フィルム |
| JP34830599A Expired - Fee Related JP3303868B2 (ja) | 1989-10-30 | 1999-12-08 | 光学的に透明なフィルム |
| JP2002037242A Expired - Fee Related JP3555890B2 (ja) | 1989-10-30 | 2002-02-14 | 光学的に透明なフィルム |
| JP2003314959A Expired - Fee Related JP3644951B2 (ja) | 1989-10-30 | 2003-09-08 | 光学的に透明なフィルム |
| JP2003314951A Expired - Fee Related JP3726093B2 (ja) | 1989-10-30 | 2003-09-08 | 光学的に透明なフィルム |
| JP2004334672A Pending JP2005072018A (ja) | 1989-10-30 | 2004-11-18 | 光学的に透明なフィルム |
Family Applications Before (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29168190A Expired - Fee Related JP3224387B2 (ja) | 1989-10-30 | 1990-10-29 | 光線抽出フィルム |
| JP34830599A Expired - Fee Related JP3303868B2 (ja) | 1989-10-30 | 1999-12-08 | 光学的に透明なフィルム |
| JP2002037242A Expired - Fee Related JP3555890B2 (ja) | 1989-10-30 | 2002-02-14 | 光学的に透明なフィルム |
| JP2003314959A Expired - Fee Related JP3644951B2 (ja) | 1989-10-30 | 2003-09-08 | 光学的に透明なフィルム |
| JP2003314951A Expired - Fee Related JP3726093B2 (ja) | 1989-10-30 | 2003-09-08 | 光学的に透明なフィルム |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5040883A (ja) |
| EP (1) | EP0426411B1 (ja) |
| JP (6) | JP3224387B2 (ja) |
| KR (1) | KR0150456B1 (ja) |
| AU (1) | AU644816B2 (ja) |
| CA (1) | CA2026834C (ja) |
| DE (1) | DE69033501T2 (ja) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5309544A (en) * | 1992-03-31 | 1994-05-03 | Minnesota Mining And Manufacturing Company | Light pipe having optimized cross-section |
| US5258896A (en) * | 1992-06-04 | 1993-11-02 | Minnesota Mining And Manufacturing Company | Line light source |
| WO1994016265A1 (en) * | 1992-12-31 | 1994-07-21 | Minnesota Mining And Manufacturing Company | Pole light having a programmable footprint |
| GB9304990D0 (en) * | 1993-03-11 | 1993-04-28 | Powergraphic Displays Ltd | Illuminated rotary displays |
| US5363470A (en) * | 1993-07-08 | 1994-11-08 | Minnesota Mining And Manufacturing Company | Displacing an optical lighting film's linear array of grooves to facilitate emission of light |
| GB2283849B (en) * | 1993-10-29 | 1997-07-02 | Protec Fire Detection Plc | Luminaire |
| DE19521254A1 (de) * | 1994-06-24 | 1996-01-04 | Minnesota Mining & Mfg | Anzeigesystem mit Helligkeitsverstärkungsfilm |
| AU3276395A (en) * | 1994-10-04 | 1996-04-26 | Minnesota Mining And Manufacturing Company | Self-contained lighted marking device |
| WO1996013798A2 (en) * | 1994-10-25 | 1996-05-09 | United Parcel Service Of America, Inc. | Automatic electronic camera for label image capture |
| US5700077A (en) * | 1995-03-23 | 1997-12-23 | Minnesota Mining And Manufacturing Company | Line light source including fluorescent colorant |
| US5917664A (en) * | 1996-02-05 | 1999-06-29 | 3M Innovative Properties Company | Brightness enhancement film with soft cutoff |
| US5919551A (en) * | 1996-04-12 | 1999-07-06 | 3M Innovative Properties Company | Variable pitch structured optical film |
| US6031958A (en) * | 1997-05-21 | 2000-02-29 | Mcgaffigan; Thomas H. | Optical light pipes with laser light appearance |
| US6166787A (en) * | 1998-03-17 | 2000-12-26 | Motorola, Inc. | Optical display device having prismatic film for enhanced viewing |
| US6285425B1 (en) | 1998-06-29 | 2001-09-04 | Motorola, Inc. | Ridged reflector for an optical display having a curved and a planar facet for each ridge |
| US6285426B1 (en) | 1998-07-06 | 2001-09-04 | Motorola, Inc. | Ridged reflector having optically transmissive properties for an optical display device |
| CA2323590A1 (en) * | 1999-01-14 | 2000-07-20 | Michael C. Lea | Optical sheets suitable for spreading light |
| DE59914126D1 (de) † | 1999-05-25 | 2007-02-15 | Siteco Beleuchtungstech Gmbh | Leuchte mit breitstrahlender Lichtstärkeverteilung |
| US6845212B2 (en) * | 1999-10-08 | 2005-01-18 | 3M Innovative Properties Company | Optical element having programmed optical structures |
| US6356391B1 (en) | 1999-10-08 | 2002-03-12 | 3M Innovative Properties Company | Optical film with variable angle prisms |
| US7046905B1 (en) * | 1999-10-08 | 2006-05-16 | 3M Innovative Properties Company | Blacklight with structured surfaces |
| US6352349B1 (en) | 2000-03-24 | 2002-03-05 | United Parcel Services Of America, Inc. | Illumination system for use in imaging moving articles |
| AU7586801A (en) * | 2000-07-11 | 2002-01-21 | 3M Innovative Properties Co | Backlight with structured sufaces |
| WO2002023258A2 (en) * | 2000-09-14 | 2002-03-21 | 3M Innovative Properties Company | Optical sheets suitable for spreading light |
| US6576887B2 (en) | 2001-08-15 | 2003-06-10 | 3M Innovative Properties Company | Light guide for use with backlit display |
| US7997771B2 (en) | 2004-06-01 | 2011-08-16 | 3M Innovative Properties Company | LED array systems |
| US7502567B2 (en) * | 2004-06-15 | 2009-03-10 | Avago Technologies Fiber Ip (Singapore) Pte. Ltd. | Electroabsorption-modulated Fabry-Perot laser and methods of making the same |
| JP4934080B2 (ja) * | 2008-02-28 | 2012-05-16 | 株式会社クラレ | 光制御体及び該光制御体の製造方法 |
| WO2010083074A2 (en) * | 2009-01-15 | 2010-07-22 | 3M Innovative Properties Company | Light block |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1682490A (en) * | 1925-10-03 | 1928-08-28 | Sigmund B Dressler | Fresnel-type lens |
| GB569552A (en) * | 1944-05-16 | 1945-05-29 | Holophane Ltd | Lighting systems and units for use therein |
| DE2459327B2 (de) * | 1974-12-16 | 1980-07-31 | Nova-Lux Gmbh, 5000 Koeln | Leuchte mit Lichtverteilungsscheibe |
| US4038542A (en) * | 1975-07-21 | 1977-07-26 | Bausch & Lomb Incorporated | Luminaire for controlling locally unidirectional light |
| DE2651738A1 (de) * | 1976-11-12 | 1978-05-18 | Isoliermaterial Ag | Sonnenkollektor in bausteinform |
| JPS5754902A (en) * | 1980-09-19 | 1982-04-01 | Tokuji Suzuki | Orthogonal double fresnel lens plate |
| US4385808A (en) * | 1980-11-04 | 1983-05-31 | Minnesota Mining And Manufacturing Company | Point focus refracting radiation concentrator |
| US4488208A (en) * | 1982-08-20 | 1984-12-11 | Union-Reed Corporation | Low brightness lens for circular fluorescent lamps |
| JPS60213534A (ja) * | 1984-04-06 | 1985-10-25 | Makoto Okamura | 監視装置 |
| CA1293880C (en) * | 1986-04-02 | 1992-01-07 | John C. Nelson | Lens |
-
1989
- 1989-10-30 US US07/429,163 patent/US5040883A/en not_active Expired - Lifetime
-
1990
- 1990-10-03 CA CA002026834A patent/CA2026834C/en not_active Expired - Fee Related
- 1990-10-19 AU AU64810/90A patent/AU644816B2/en not_active Ceased
- 1990-10-29 EP EP90311833A patent/EP0426411B1/en not_active Expired - Lifetime
- 1990-10-29 KR KR1019900017334A patent/KR0150456B1/ko not_active Expired - Fee Related
- 1990-10-29 DE DE69033501T patent/DE69033501T2/de not_active Expired - Fee Related
- 1990-10-29 JP JP29168190A patent/JP3224387B2/ja not_active Expired - Fee Related
-
1999
- 1999-12-08 JP JP34830599A patent/JP3303868B2/ja not_active Expired - Fee Related
-
2002
- 2002-02-14 JP JP2002037242A patent/JP3555890B2/ja not_active Expired - Fee Related
-
2003
- 2003-09-08 JP JP2003314959A patent/JP3644951B2/ja not_active Expired - Fee Related
- 2003-09-08 JP JP2003314951A patent/JP3726093B2/ja not_active Expired - Fee Related
-
2004
- 2004-11-18 JP JP2004334672A patent/JP2005072018A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE69033501D1 (de) | 2000-05-11 |
| AU6481090A (en) | 1991-05-02 |
| JP3726093B2 (ja) | 2005-12-14 |
| EP0426411B1 (en) | 2000-04-05 |
| KR0150456B1 (ko) | 1998-10-15 |
| JP2000147216A (ja) | 2000-05-26 |
| EP0426411A3 (en) | 1991-08-28 |
| US5040883A (en) | 1991-08-20 |
| CA2026834A1 (en) | 1991-05-01 |
| AU644816B2 (en) | 1993-12-23 |
| JP3224387B2 (ja) | 2001-10-29 |
| JPH03185404A (ja) | 1991-08-13 |
| JP2004070369A (ja) | 2004-03-04 |
| JP2004038200A (ja) | 2004-02-05 |
| JP3644951B2 (ja) | 2005-05-11 |
| JP3303868B2 (ja) | 2002-07-22 |
| CA2026834C (en) | 2001-12-11 |
| JP2002267819A (ja) | 2002-09-18 |
| DE69033501T2 (de) | 2000-12-21 |
| EP0426411A2 (en) | 1991-05-08 |
| KR910008630A (ko) | 1991-05-31 |
| JP3555890B2 (ja) | 2004-08-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A131 | Notification of reasons for refusal |
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| A601 | Written request for extension of time |
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