JP2004070369A - 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
- JP2004070369A JP2004070369A JP2003314951A JP2003314951A JP2004070369A JP 2004070369 A JP2004070369 A JP 2004070369A JP 2003314951 A JP2003314951 A JP 2003314951A JP 2003314951 A JP2003314951 A JP 2003314951A JP 2004070369 A JP2004070369 A JP 2004070369A
- Authority
- JP
- Japan
- Prior art keywords
- optically transparent
- film
- light
- 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.)
- Granted
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)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Optical Couplings Of Light Guides (AREA)
- Overhead Projectors And Projection Screens (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不規則に相違してい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照明器具用フィルム。
- もう一方の表面が、前記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請求項1または2に記載の光学的に透明な照明器具用フィルム。
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 |
---|---|---|---|
JP2002037242A Division JP3555890B2 (ja) | 1989-10-30 | 2002-02-14 | 光学的に透明なフィルム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004070369A true JP2004070369A (ja) | 2004-03-04 |
JP3726093B2 JP3726093B2 (ja) | 2005-12-14 |
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 (4)
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 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004334672A Pending JP2005072018A (ja) | 1989-10-30 | 2004-11-18 | 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 |
CA2152678A1 (en) * | 1992-12-31 | 1994-07-21 | Roger H. Appeldorn | 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 |
JPH10506725A (ja) * | 1994-10-04 | 1998-06-30 | ミネソタ マイニング アンド マニュファクチャリング カンパニー | 自蔵式の照明形標示装置 |
ATE275743T1 (de) * | 1994-10-25 | 2004-09-15 | United Parcel Service Inc | Automatische elektrische kamera für etikettenbildaufnahme |
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 |
JP2002535690A (ja) * | 1999-01-14 | 2002-10-22 | ミネソタ マイニング アンド マニュファクチャリング カンパニー | 光拡散に適した光学シート |
ATE350620T1 (de) † | 1999-05-25 | 2007-01-15 | Siteco Beleuchtungstech Gmbh | Leuchte mit breitstrahlender lichtstärkeverteilung |
US6356391B1 (en) | 1999-10-08 | 2002-03-12 | 3M Innovative Properties Company | Optical film with variable angle prisms |
US6845212B2 (en) * | 1999-10-08 | 2005-01-18 | 3M Innovative Properties Company | Optical element having programmed optical structures |
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 |
EP1301743A2 (en) * | 2000-07-11 | 2003-04-16 | 3M Innovative Properties Company | 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 |
JP5600121B2 (ja) * | 2009-01-15 | 2014-10-01 | スリーエム イノベイティブ プロパティズ カンパニー | 光ブロック |
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 JP JP29168190A patent/JP3224387B2/ja not_active Expired - Fee Related
- 1990-10-29 DE DE69033501T patent/DE69033501T2/de not_active Expired - Fee Related
- 1990-10-29 KR KR1019900017334A patent/KR0150456B1/ko not_active IP Right Cessation
- 1990-10-29 EP EP90311833A patent/EP0426411B1/en not_active Expired - Lifetime
-
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 |
---|---|
US5040883A (en) | 1991-08-20 |
DE69033501D1 (de) | 2000-05-11 |
JP3303868B2 (ja) | 2002-07-22 |
JP2002267819A (ja) | 2002-09-18 |
KR0150456B1 (ko) | 1998-10-15 |
DE69033501T2 (de) | 2000-12-21 |
EP0426411A2 (en) | 1991-05-08 |
EP0426411A3 (en) | 1991-08-28 |
EP0426411B1 (en) | 2000-04-05 |
AU644816B2 (en) | 1993-12-23 |
JP3224387B2 (ja) | 2001-10-29 |
JP3555890B2 (ja) | 2004-08-18 |
JP2000147216A (ja) | 2000-05-26 |
CA2026834A1 (en) | 1991-05-01 |
JPH03185404A (ja) | 1991-08-13 |
CA2026834C (en) | 2001-12-11 |
AU6481090A (en) | 1991-05-02 |
JP2004038200A (ja) | 2004-02-05 |
KR910008630A (ko) | 1991-05-31 |
JP3726093B2 (ja) | 2005-12-14 |
JP3644951B2 (ja) | 2005-05-11 |
JP2005072018A (ja) | 2005-03-17 |
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