DE3774493D1 - Weitwinkelige wuerfelecken-rueckstrahlfolie. - Google Patents

Weitwinkelige wuerfelecken-rueckstrahlfolie.

Info

Publication number
DE3774493D1
DE3774493D1 DE8787305189T DE3774493T DE3774493D1 DE 3774493 D1 DE3774493 D1 DE 3774493D1 DE 8787305189 T DE8787305189 T DE 8787305189T DE 3774493 T DE3774493 T DE 3774493T DE 3774493 D1 DE3774493 D1 DE 3774493D1
Authority
DE
Germany
Prior art keywords
wide
angle
rear beam
beam film
cube
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 - Fee Related
Application number
DE8787305189T
Other languages
English (en)
Inventor
Gerald M Benson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of DE3774493D1 publication Critical patent/DE3774493D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/12—Reflex reflectors
    • G02B5/122—Reflex reflectors cube corner, trihedral or triple reflector type
    • G02B5/124—Reflex reflectors cube corner, trihedral or triple reflector type plural reflecting elements forming part of a unitary plate or sheet

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Wrappers (AREA)
  • Tents Or Canopies (AREA)
DE8787305189T 1986-06-16 1987-06-11 Weitwinkelige wuerfelecken-rueckstrahlfolie. Expired - Fee Related DE3774493D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/874,537 US4703999A (en) 1986-06-16 1986-06-16 Wide-angle-reflective cube-corner retroreflective sheeting

Publications (1)

Publication Number Publication Date
DE3774493D1 true DE3774493D1 (de) 1991-12-19

Family

ID=25364032

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787305189T Expired - Fee Related DE3774493D1 (de) 1986-06-16 1987-06-11 Weitwinkelige wuerfelecken-rueckstrahlfolie.

Country Status (8)

Country Link
US (1) US4703999A (de)
EP (1) EP0250165B1 (de)
JP (1) JPS62299904A (de)
KR (1) KR960002305B1 (de)
AT (1) ATE69512T1 (de)
DE (1) DE3774493D1 (de)
IE (1) IE60260B1 (de)
IN (1) IN169793B (de)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4938563A (en) * 1986-11-21 1990-07-03 Minnesota Mining And Manufacturing Company High efficiency cube corner retroflective material
US4930870A (en) * 1987-07-27 1990-06-05 Itw New Zealand Limited Retro-reflectors
US4801193A (en) * 1988-03-04 1989-01-31 Reflexite Corporation Retroreflective sheet material and method of making same
WO1991002990A1 (en) * 1989-08-25 1991-03-07 Nauchno-Proizvodstvennoe Obiedinenie Po Avtoelektronike I Avtotraktornomu Elektrooborudovaniju Double-sided cat's eye
GB8922444D0 (en) * 1989-10-05 1989-11-22 Emi Plc Thorn A directional reflector
US5182663A (en) * 1991-08-30 1993-01-26 Raychem Corporation Liquid crystal display having improved retroreflector
US5132823A (en) * 1991-08-30 1992-07-21 Raychem Corporation Multipurpose liquid crystal display having means for removably positioning the retroreflector
AU5744494A (en) * 1993-01-14 1994-08-15 Minnesota Mining And Manufacturing Company Method and apparatus for splicing cube corner retroreflective sheeting
WO1995003558A1 (en) * 1993-07-19 1995-02-02 Reflexite Corporation Retroreflective structure
US5600484A (en) * 1993-10-20 1997-02-04 Minnesota Mining And Manufacturing Company Machining techniques for retroreflective cube corner article and method of manufacture
US5564870A (en) * 1993-10-20 1996-10-15 Minnesota Mining And Manufacturing Company Method of manufacturing an asymmetric cube corner article
US5512219A (en) * 1994-06-03 1996-04-30 Reflexite Corporation Method of casting a microstructure sheet having an array of prism elements using a reusable polycarbonate mold
US5673148A (en) * 1994-06-23 1997-09-30 Minnesota Mining And Manufacturing Company Encapsulated retroreflective elements and method for making same
US6143224A (en) * 1995-05-18 2000-11-07 Reflexite Corporation Method for forming a retroreflective sheeting
EP0830622B1 (de) * 1995-06-09 2002-02-13 Minnesota Mining And Manufacturing Company Fliesenartige retroflektierende folie
US6021559A (en) * 1996-11-01 2000-02-08 3M Innovative Properties Company Methods of making a cube corner article master mold
US5734501A (en) * 1996-11-01 1998-03-31 Minnesota Mining And Manufacturing Company Highly canted retroreflective cube corner article
US5854709A (en) * 1997-06-24 1998-12-29 Stimsonite Corporation Chameleonic cube corners
US6067143A (en) * 1998-06-04 2000-05-23 Tomita; Akira High contrast micro display with off-axis illumination
US6280822B1 (en) 1999-01-11 2001-08-28 3M Innovative Properties Company Cube corner cavity based retroeflectors with transparent fill material
US6287670B1 (en) 1999-01-11 2001-09-11 3M Innovative Properties Company Cube corner cavity based retroreflectors and methods for making same
WO2000043813A1 (en) * 1999-01-21 2000-07-27 Reflexite Corporation Durable, open-faced retroreflective prismatic construction
US20050185279A1 (en) * 1999-01-21 2005-08-25 Reflexite Corporation Durable, open-faced retroreflective prismatic construction
US6172810B1 (en) 1999-02-26 2001-01-09 3M Innovative Properties Company Retroreflective articles having polymer multilayer reflective coatings
JP3847593B2 (ja) * 2001-02-20 2006-11-22 シャープ株式会社 コーナーキューブアレイなどの光学素子及びそれを備える反射型表示装置
KR100490816B1 (ko) * 2001-06-15 2005-05-24 샤프 가부시키가이샤 마이크로 코너 큐브 어레이, 마이크로 큐브 어레이의 제조방법 및 반사형 표시 장치
JP3818906B2 (ja) * 2001-12-13 2006-09-06 シャープ株式会社 マイクロコーナーキューブアレイ、その作製方法、および表示装置
US20060056031A1 (en) * 2004-09-10 2006-03-16 Capaldo Kevin P Brightness enhancement film, and methods of making and using the same
EP2442143B1 (de) * 2003-03-06 2016-11-23 3M Innovative Properties Co. Schicht mit würfeleckförmigen Elementen und retroreflektive Folie
US7156527B2 (en) 2003-03-06 2007-01-02 3M Innovative Properties Company Lamina comprising cube corner elements and retroreflective sheeting
US20050079324A1 (en) * 2003-10-13 2005-04-14 Haunschild Dale H. Method of making retroreflective material
US20050151021A1 (en) * 2003-12-17 2005-07-14 Hamilton Douglas C. Heat dissipating, light-reflecting plates for radiator systems of spacecraft and methods for fabricating the same
US7341784B2 (en) * 2004-09-10 2008-03-11 General Electric Company Light management film and its preparation and use
JP4020919B2 (ja) * 2005-03-04 2007-12-12 シャープ株式会社 反射型表示装置およびその製造方法
US20070126148A1 (en) * 2005-12-02 2007-06-07 General Electric Company Microstructured embossing drum and articles made therefrom
US20070125248A1 (en) * 2005-12-02 2007-06-07 Coyle Dennis J Embossing drum system with removable outer sleeve and methods of use
US20070125651A1 (en) * 2005-12-02 2007-06-07 Buckley Paul W Electroform, methods of making electroforms, and products made from electroforms
US20070125655A1 (en) * 2005-12-02 2007-06-07 Buckley Paul W Electroform, methods of making electroforms, and products made from electroforms
US20070125654A1 (en) * 2005-12-02 2007-06-07 Buckley Paul W Electroform, methods of making electroforms, and products made from electroforms
US20070125653A1 (en) * 2005-12-02 2007-06-07 Coyle Dennis J Multilayer electroform, methods of making multilayer electroforms, and products made therefrom
US20070126144A1 (en) * 2005-12-02 2007-06-07 Yadong Jin Polish/texture thermoplastic film and method for making the same
US20070125652A1 (en) * 2005-12-02 2007-06-07 Buckley Paul W Electroform, methods of making electroforms, and products made from electroforms
US8469578B2 (en) * 2007-01-19 2013-06-25 Koninklijke Philips Electronics N.V. Optical element having at least one embedded reflector
JP5553196B2 (ja) * 2009-08-24 2014-07-16 スタンレー電気株式会社 車両用反射器
JP6074128B2 (ja) * 2010-04-15 2017-02-01 デクセリアルズ株式会社 光学体およびその製造方法、日射遮蔽部材、窓材、内装部材ならびに建具
EP2714357B1 (de) 2011-05-31 2016-05-04 3M Innovative Properties Company Verfahren zur herstellung von mikrostrukturierten formwerkzeugen mit unterbrochenen topografien, sowie mit solchen formwerkzeugen erzeugte gegenstände
SG195168A1 (en) 2011-05-31 2013-12-30 3M Innovative Properties Co Methods for making differentially pattern cured microstructured articles
JP2013228656A (ja) * 2011-06-28 2013-11-07 Mitsubishi Rayon Co Ltd 光学フィルム、光学シート、面発光体及び光学シートの製造方法
JP6890012B2 (ja) 2013-08-19 2021-06-18 スリーエム イノベイティブ プロパティズ カンパニー 実質的に非晶質のポリマー層を有する再帰反射性シート材
JP6890011B2 (ja) * 2013-08-19 2021-06-18 スリーエム イノベイティブ プロパティズ カンパニー 低弾性率層を含む再帰反射性シート材
US20160011346A1 (en) 2014-07-14 2016-01-14 Sergiy Vasylyev High incidence angle retroreflective sheeting
WO2020240365A1 (en) * 2019-05-24 2020-12-03 3M Innovative Properties Company Radar reflective article with permittivity gradient
WO2020240364A1 (en) 2019-05-24 2020-12-03 3M Innovative Properties Company Radar retroreflective article

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US987003A (en) * 1910-05-10 1911-03-14 Henry S Livingston Chewing-gum.
FR723950A (fr) * 1931-10-08 1932-04-18 Dispositif optique réflecteur
US3140340A (en) * 1961-03-01 1964-07-07 Minnesota Mining & Mfg Reflex reflector article
US3255665A (en) * 1964-05-21 1966-06-14 Minnesota Mining & Mfg Article of manufacture for controlling light transmittance
US3450459A (en) * 1965-10-24 1969-06-17 Walter F Haggerty Retroreflective device
US3924929A (en) * 1966-11-14 1975-12-09 Minnesota Mining & Mfg Retro-reflective sheet material
US3541606A (en) * 1967-10-16 1970-11-17 Amerace Esna Corp Reflectorized vehicles and reflectors therefor
US3712713A (en) * 1970-08-10 1973-01-23 Minnesota Mining & Mfg Optical shield of transparant intermeshed grooved panels useful on overhead projects
US3700305A (en) * 1970-12-14 1972-10-24 Minnesota Mining & Mfg Retroreflective microspheres having a dielectric mirror on a portion of their surface and retroreflective constructions containing such microspheres
US3712706A (en) * 1971-01-04 1973-01-23 American Cyanamid Co Retroreflective surface
US3811647A (en) * 1972-06-28 1974-05-21 Ford Motor Co Venting of electroform reflex inserts by laser drill
JPS5647535B2 (de) * 1973-07-30 1981-11-10
US3926420A (en) * 1974-07-08 1975-12-16 Edwin S Raymond Sheet metal securing device
FR2287048A1 (fr) * 1974-10-04 1976-04-30 Commissariat Energie Atomique Dispositif pour ameliorer les proprietes optiques d'un assemblage scintillateur-photocathode
US4025159A (en) * 1976-02-17 1977-05-24 Minnesota Mining And Manufacturing Company Cellular retroreflective sheeting
US4066331A (en) * 1976-06-25 1978-01-03 Beatrice Foods Co. Cube corner type retroreflectors with improved cube corner unit relationships
US4349598A (en) * 1976-12-01 1982-09-14 Minnesota Mining And Manufacturing Company High incidence angle retroreflective material
GB1590116A (en) * 1977-08-18 1981-05-28 Price Dev Ltd E J Refelctive or decorative articles
US4576850A (en) * 1978-07-20 1986-03-18 Minnesota Mining And Manufacturing Company Shaped plastic articles having replicated microstructure surfaces
UST987003I4 (en) 1978-07-31 1979-10-02 Minnesota Mining And Manufacturing Company Retroluminometer
JPS5530941A (en) * 1978-08-26 1980-03-05 Kyoichi Murata Reflective sheet and its manufacturing method
EP0018798B1 (de) * 1978-11-08 1983-06-08 LUCAS INDUSTRIES public limited company Rückstrahler
JPS55152636A (en) * 1979-05-04 1980-11-28 Lucas Industries Ltd Reflector
US4555161A (en) * 1984-02-16 1985-11-26 Reflexite Corporation Encapsulated retroreflective material and method of making same

Also Published As

Publication number Publication date
EP0250165B1 (de) 1991-11-13
US4703999A (en) 1987-11-03
IE871427L (en) 1987-12-16
AU7373887A (en) 1987-12-17
JPS62299904A (ja) 1987-12-26
ATE69512T1 (de) 1991-11-15
AU589778B2 (en) 1989-10-19
KR880000738A (ko) 1988-03-29
KR960002305B1 (ko) 1996-02-16
IE60260B1 (en) 1994-06-29
EP0250165A3 (en) 1988-06-01
EP0250165A2 (de) 1987-12-23
IN169793B (de) 1991-12-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee