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WO2008123429A1 - 再帰反射物品 - Google Patents

再帰反射物品 Download PDF

Info

Publication number
WO2008123429A1
WO2008123429A1 PCT/JP2008/056127 JP2008056127W WO2008123429A1 WO 2008123429 A1 WO2008123429 A1 WO 2008123429A1 JP 2008056127 W JP2008056127 W JP 2008056127W WO 2008123429 A1 WO2008123429 A1 WO 2008123429A1
Authority
WO
WIPO (PCT)
Prior art keywords
retroreflective
layer
sign
back surface
optical characteristic
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.)
Ceased
Application number
PCT/JP2008/056127
Other languages
English (en)
French (fr)
Inventor
Chihiro Hayashi
Ikuo Mimura
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.)
Nippon Carbide Industries Co Inc
Original Assignee
Nippon Carbide Industries Co Inc
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 Nippon Carbide Industries Co Inc filed Critical Nippon Carbide Industries Co Inc
Priority to US12/530,667 priority Critical patent/US7980710B2/en
Priority to EP08739245A priority patent/EP2131218A4/en
Priority to JP2009509222A priority patent/JPWO2008123429A1/ja
Publication of WO2008123429A1 publication Critical patent/WO2008123429A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/16—Signs formed of or incorporating reflecting elements or surfaces, e.g. warning signs having triangular or other geometrical shape
    • 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)
  • Geometry (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Road Signs Or Road Markings (AREA)

Abstract

　内部全反射型キューブコーナー再帰反射性素子が多数配置されてなる再帰反射性素子層を有する再帰反射物品において、該再帰反射性素子層の裏面に光学特性調整層を部分的に設け、該光学特性調整層の裏面に空気層を設置する。本発明によれば、既存品等の再帰反射性素子層の裏面に、色相や占有面積率を調整した光学特性調整層を、簡単で調整が容易な方法にて設けることにより、安価に生産性を高めて再帰反射物品を生産することが可能となり、交通標識、規制標識、案内標識、工事標識などの交通標識類や商業標識、可視光、レーザー光あるいは赤外光反射型センサー類の反射板などとして適した再帰反射物品を、既存製品を流用して効率よく生産できる。
PCT/JP2008/056127 2007-03-30 2008-03-28 再帰反射物品 Ceased WO2008123429A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US12/530,667 US7980710B2 (en) 2007-03-30 2008-03-28 Retroreflective article
EP08739245A EP2131218A4 (en) 2007-03-30 2008-03-28 BEAUTIFUL OBJECT
JP2009509222A JPWO2008123429A1 (ja) 2007-03-30 2008-03-28 再帰反射物品

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007090750 2007-03-30
JP2007-090750 2007-03-30
JP2008-075060 2008-03-24
JP2008075060 2008-03-24

Publications (1)

Publication Number Publication Date
WO2008123429A1 true WO2008123429A1 (ja) 2008-10-16

Family

ID=39830914

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/056127 Ceased WO2008123429A1 (ja) 2007-03-30 2008-03-28 再帰反射物品

Country Status (4)

Country Link
US (1) US7980710B2 (ja)
EP (1) EP2131218A4 (ja)
JP (1) JPWO2008123429A1 (ja)
WO (1) WO2008123429A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102272637A (zh) * 2008-12-08 2011-12-07 3M创新有限公司 具有图形的棱柱形逆向反射制品及其制备方法

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9291752B2 (en) 2013-08-19 2016-03-22 3M Innovative Properties Company Retroreflecting optical construction
KR101770837B1 (ko) 2009-04-15 2017-08-23 쓰리엠 이노베이티브 프로퍼티즈 컴파니 공극을 포함하는 광학 필름을 구비한 도광체 및 디스플레이 시스템용 백라이트
CN102458819B (zh) 2009-04-15 2014-09-03 3M创新有限公司 回射光学构造
TWI605276B (zh) 2009-04-15 2017-11-11 ３Ｍ新設資產公司 光學結構及包含該光學結構之顯示系統
JP5727460B2 (ja) 2009-04-15 2015-06-03 スリーエム イノベイティブ プロパティズ カンパニー 光結合を防止するための光学フィルム
US9140833B2 (en) 2009-04-15 2015-09-22 3M Innovative Properties Company Retroreflective sheeting including a low refractive index layer having a plurality of voids
EP3495134B1 (en) 2010-04-15 2020-11-25 3M Innovative Properties Co. Retroreflective articles including optically active areas and optically inactive areas
CN102844175B (zh) 2010-04-15 2016-08-03 3M创新有限公司 包括光学活性区域和无光学活性区域的回射制品
EP2558290B1 (en) 2010-04-15 2019-01-23 3M Innovative Properties Company Retroreflective articles including optically active areas and optically inactive areas
IL265022B2 (en) 2016-08-26 2024-01-01 Andrew Simon FILO Modulating retroreflective piezoelectric multilayer film
WO2019046403A1 (en) 2017-08-29 2019-03-07 Avery Dennison Corporation RETROREFLECTIVE SHEET FOR A PROJECTOR-BASED DISPLAY SYSTEM
US10830641B2 (en) * 2018-07-17 2020-11-10 Hong Kong Applied Science And Technology Research Institute Co., Ltd. Compact spectrometer having reflective wedge structure

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3190178A (en) 1961-06-29 1965-06-22 Minnesota Mining & Mfg Reflex-reflecting sheeting
US4025159A (en) 1976-02-17 1977-05-24 Minnesota Mining And Manufacturing Company Cellular retroreflective sheeting
JPH0528669A (ja) 1991-07-24 1993-02-05 Fujitsu Ltd 磁気デイスク装置のキヤリツジの構造
JP2000509167A (ja) * 1996-04-30 2000-07-18 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 光輝性コーナーキューブ再帰反射シート
JP2001033609A (ja) 1999-04-21 2001-02-09 Nippon Carbide Ind Co Inc キューブコーナー型再帰反射シート及びキューブコーナー金型
JP2001290013A (ja) * 2000-04-10 2001-10-19 Nippon Carbide Ind Co Inc 印刷された再帰反射シート
JP2005125684A (ja) * 2003-10-27 2005-05-19 Dainippon Printing Co Ltd 真偽判定媒体、真偽判定媒体貼着用シート、真偽判定媒体転写用シート、および真偽判定体
US20050221042A1 (en) 2004-04-01 2005-10-06 3M Innovative Properties Company Retroreflective sheeting with controlled cap-Y
JP2006317851A (ja) * 2005-05-16 2006-11-24 Three M Innovative Properties Co 再帰反射性構造体
JP2007093629A (ja) * 2005-09-02 2007-04-12 Nippon Carbide Ind Co Inc 電波透過型再帰反射シート

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4498733A (en) * 1982-07-02 1985-02-12 Amerace Corporation Reflector structure
US5393097A (en) 1992-07-13 1995-02-28 Townsend; John A. Automobile armrest apparatus for presenting restraint system
TW349909B (en) 1997-01-22 1999-01-11 Alps Electric Co Ltd Hot transfer printer
JP4028155B2 (ja) * 2000-04-11 2007-12-26 日本カーバイド工業株式会社 蛍光性再帰反射シート

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3190178A (en) 1961-06-29 1965-06-22 Minnesota Mining & Mfg Reflex-reflecting sheeting
US4025159A (en) 1976-02-17 1977-05-24 Minnesota Mining And Manufacturing Company Cellular retroreflective sheeting
JPH0528669A (ja) 1991-07-24 1993-02-05 Fujitsu Ltd 磁気デイスク装置のキヤリツジの構造
JP2000509167A (ja) * 1996-04-30 2000-07-18 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 光輝性コーナーキューブ再帰反射シート
JP2001033609A (ja) 1999-04-21 2001-02-09 Nippon Carbide Ind Co Inc キューブコーナー型再帰反射シート及びキューブコーナー金型
JP2001290013A (ja) * 2000-04-10 2001-10-19 Nippon Carbide Ind Co Inc 印刷された再帰反射シート
JP2005125684A (ja) * 2003-10-27 2005-05-19 Dainippon Printing Co Ltd 真偽判定媒体、真偽判定媒体貼着用シート、真偽判定媒体転写用シート、および真偽判定体
US20050221042A1 (en) 2004-04-01 2005-10-06 3M Innovative Properties Company Retroreflective sheeting with controlled cap-Y
JP2006317851A (ja) * 2005-05-16 2006-11-24 Three M Innovative Properties Co 再帰反射性構造体
JP2007093629A (ja) * 2005-09-02 2007-04-12 Nippon Carbide Ind Co Inc 電波透過型再帰反射シート

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2131218A4

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102272637A (zh) * 2008-12-08 2011-12-07 3M创新有限公司 具有图形的棱柱形逆向反射制品及其制备方法
CN102272637B (zh) * 2008-12-08 2016-01-20 3M创新有限公司 具有图形的棱柱形逆向反射制品及其制备方法

Also Published As

Publication number Publication date
EP2131218A4 (en) 2012-02-29
EP2131218A1 (en) 2009-12-09
JPWO2008123429A1 (ja) 2010-07-15
US7980710B2 (en) 2011-07-19
US20100110545A1 (en) 2010-05-06

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