TW382068B - Retroreflective article and method for improving the conspicuity of an object by providing intermittent dual axis retroreflection of incident light - Google Patents
Retroreflective article and method for improving the conspicuity of an object by providing intermittent dual axis retroreflection of incident light Download PDFInfo
- Publication number
- TW382068B TW382068B TW087108240A TW87108240A TW382068B TW 382068 B TW382068 B TW 382068B TW 087108240 A TW087108240 A TW 087108240A TW 87108240 A TW87108240 A TW 87108240A TW 382068 B TW382068 B TW 382068B
- Authority
- TW
- Taiwan
- Prior art keywords
- retroreflective
- facets
- plane
- item
- biaxial
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000009977 dual effect Effects 0.000 title abstract description 8
- 230000002079 cooperative effect Effects 0.000 claims description 19
- 230000000981 bystander Effects 0.000 claims description 13
- 239000002131 composite material Substances 0.000 claims description 10
- 239000011324 bead Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 description 21
- 238000010586 diagram Methods 0.000 description 14
- 239000003086 colorant Substances 0.000 description 10
- 238000005520 cutting process Methods 0.000 description 10
- 230000003287 optical effect Effects 0.000 description 8
- 238000000926 separation method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 239000000758 substrate Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000013039 cover film Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000012780 transparent material Substances 0.000 description 3
- 241000218691 Cupressaceae Species 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 241000239290 Araneae Species 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 229920005372 Plexiglas® Polymers 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- 229920003182 Surlyn® Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229940071162 caseinate Drugs 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
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- 230000004044 response Effects 0.000 description 1
- 150000003839 salts Chemical group 0.000 description 1
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- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/883,870 US5889615A (en) | 1997-06-27 | 1997-06-27 | Dual axis retroreflective articles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW382068B true TW382068B (en) | 2000-02-11 |
Family
ID=25383498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW087108240A TW382068B (en) | 1997-06-27 | 1998-05-27 | Retroreflective article and method for improving the conspicuity of an object by providing intermittent dual axis retroreflection of incident light |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5889615A (enExample) |
| EP (1) | EP0991962A1 (enExample) |
| JP (1) | JP4168183B2 (enExample) |
| KR (1) | KR100459779B1 (enExample) |
| CN (1) | CN1126959C (enExample) |
| AU (1) | AU4997897A (enExample) |
| CA (1) | CA2293657C (enExample) |
| TW (1) | TW382068B (enExample) |
| WO (1) | WO1999000682A1 (enExample) |
Families Citing this family (44)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0844056B1 (en) * | 1995-07-28 | 2003-04-09 | Nippon Carbide Kogyo Kabushiki Kaisha | Microprism matrix |
| WO1998018028A1 (fr) * | 1996-10-18 | 1998-04-30 | Nippon Carbide Kogyo Kabushiki Kaisha | Feuille retroreflechissante du type a angles cubiques tetraedriques |
| JP3580999B2 (ja) | 1997-11-17 | 2004-10-27 | 日本カーバイド工業株式会社 | 三角錐型キューブコーナー再帰反射シート |
| US6055108A (en) * | 1999-02-11 | 2000-04-25 | Minnesota Mining And Manufacturing Company | Imaging articles and methods using dual-axis retroreflective elements |
| KR100373209B1 (ko) * | 1999-09-11 | 2003-02-25 | 주식회사 엘지화학 | 재귀 반사체 |
| JP3975039B2 (ja) | 1999-12-13 | 2007-09-12 | 日本カーバイド工業株式会社 | 三角錐型キューブコーナー再帰反射素子 |
| CA2399370A1 (en) * | 2000-01-31 | 2001-08-09 | Nippon Carbide Kogyo Kabushiki Kaisha | Triangular pyramidal cube corner retroreflection element |
| JP3468418B2 (ja) * | 2000-03-15 | 2003-11-17 | 日本カーバイド工業株式会社 | 三角錐型キユーブコーナー型再帰反射シート |
| 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 |
| ES2332826T3 (es) * | 2001-06-19 | 2010-02-12 | Nippon Carbide Kogyo Kabushiki Kaisha | Producto retrorreflectivo que incluye un circuito integrado encerrado. |
| KR100901679B1 (ko) * | 2001-08-09 | 2009-06-08 | 닛뽕 카바이도 고교 가부시키가이샤 | 재귀반사장치 |
| EP1542197A4 (en) * | 2002-07-08 | 2007-05-02 | Nippon Carbide Kogyo Kk | INTERNALLY LITTER |
| WO2004027514A2 (en) * | 2002-09-20 | 2004-04-01 | Honeywell International, Inc. | High efficiency viewing screen |
| US7156527B2 (en) | 2003-03-06 | 2007-01-02 | 3M Innovative Properties Company | Lamina comprising cube corner elements and retroreflective sheeting |
| US6884371B2 (en) | 2003-03-06 | 2005-04-26 | 3M Innovative Properties Company | Method of making retroreflective sheeting and articles |
| US7384173B2 (en) * | 2004-12-30 | 2008-06-10 | 3M Innovative Properties Company | Brightness enhancement article |
| WO2007083980A1 (en) * | 2006-01-23 | 2007-07-26 | Kim, Hyeonsik | Retro-reflector |
| KR20060085591A (ko) * | 2005-01-24 | 2006-07-27 | 김봉주 | 재귀반사유닛 및 그 재귀반사유닛을 구비한 재귀반사체 |
| US7815355B2 (en) | 2005-08-27 | 2010-10-19 | 3M Innovative Properties Company | Direct-lit backlight having light recycling cavity with concave transflector |
| TWI464494B (zh) * | 2005-08-27 | 2014-12-11 | ３Ｍ新設資產公司 | 照明組件及系統 |
| US7537374B2 (en) * | 2005-08-27 | 2009-05-26 | 3M Innovative Properties Company | Edge-lit backlight having light recycling cavity with concave transflector |
| US20070047228A1 (en) * | 2005-08-27 | 2007-03-01 | 3M Innovative Properties Company | Methods of forming direct-lit backlights having light recycling cavity with concave transflector |
| KR20070103544A (ko) * | 2006-04-19 | 2007-10-24 | 삼성전자주식회사 | 액정 표시 장치 및 그에 사용되는 프리즘 시트 |
| EP2023167B1 (en) * | 2006-06-06 | 2013-11-27 | Nippon Carbide Kogyo Kabushiki Kaisha | Cube corner type retroreflection article |
| KR100924438B1 (ko) | 2009-03-05 | 2009-11-09 | 김봉주 | 교통안전표지용 재귀반사체 |
| EP2500118A4 (en) | 2009-11-13 | 2015-06-24 | Sumitomo Light Metal Ind | PANEL MATERIAL WITH CONCAVE / CONVEX SECTIONS AND LAMINATE STRUCTURE AND VEHICLE PLATE WITH THIS PANEL MATERIAL |
| US9090288B2 (en) | 2010-09-08 | 2015-07-28 | Sumitomo Light Metal Industries, Ltd. | Sheet material having a concave-convex part, and vehicle panel and laminated structure using the same |
| USD673779S1 (en) * | 2010-10-04 | 2013-01-08 | Sumitomo Light Metals Industries, Ltd. | Metal sheet material |
| WO2012096085A1 (ja) | 2011-01-11 | 2012-07-19 | 住友軽金属工業株式会社 | 凹凸部を有する板材並びにこれを用いた車両パネル及び積層構造体 |
| JP5901542B2 (ja) | 2011-01-17 | 2016-04-13 | 株式会社Uacj | 凹凸部を有する板材並びにこれを用いた車両パネル及び積層構造体 |
| JP5971927B2 (ja) * | 2011-11-29 | 2016-08-17 | デクセリアルズ株式会社 | 光学体、窓材、建具、日射遮蔽装置および建築物 |
| DE102013002137A1 (de) | 2013-02-07 | 2014-08-07 | Giesecke & Devrient Gmbh | Optisch variables Flächenmuster |
| KR102205093B1 (ko) * | 2013-03-15 | 2021-01-20 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | 미세타일화된 프리즘형 큐브 코너 물품 |
| KR20150033217A (ko) * | 2013-09-23 | 2015-04-01 | 김현식 | 광각성이 개선된 스텝 프리즘형 재귀반사체 |
| KR102287612B1 (ko) * | 2014-07-28 | 2021-08-10 | 미래나노텍(주) | 재귀반사 구조 및 이를 이용한 재귀반사 시트 |
| WO2017156448A1 (en) * | 2016-03-11 | 2017-09-14 | Mirraviz, Inc. | Customized reflection profiles for retro-reflective display system optimization |
| JP6949460B2 (ja) * | 2016-04-07 | 2021-10-13 | デクセリアルズ株式会社 | 光学体、窓材及びロールカーテン |
| WO2018151759A1 (en) | 2017-02-20 | 2018-08-23 | 3M Innovative Properties Company | Optical articles and systems interacting with the same |
| CN111247460A (zh) * | 2017-08-29 | 2020-06-05 | 艾利丹尼森公司 | 用于基于投影机的显示系统的回射片 |
| CN111164605A (zh) | 2017-09-27 | 2020-05-15 | 3M创新有限公司 | 使用光学图案以用于设备和安全监控的个人防护设备管理系统 |
| US11001979B2 (en) | 2018-08-13 | 2021-05-11 | Vergence Automation, Inc. | Methods and apparatus for ultrawide entrance angle reflective articles for use with autonomous vehicle machine vision systems |
| US11762133B1 (en) | 2018-09-13 | 2023-09-19 | Vergence Automation, Inc. | Retroreflective materials and articles incorporating near-ideal total internal retroreflective elements |
| CN109140391A (zh) * | 2018-09-21 | 2019-01-04 | 重庆互艺文化创意发展有限公司 | 一种不规则镜面单元及具有多角度折射光的观光体验隧道 |
| KR102812973B1 (ko) * | 2022-08-10 | 2025-05-26 | 김현대 | 재귀반사효과와 스파클링 효과를 갖는 광 반사지 및 그 제조방법 |
Family Cites Families (51)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US285270A (en) * | 1883-09-18 | Julius jaegeb | ||
| GB190908324A (en) * | 1908-10-14 | 1909-09-30 | Otis Angelo Mygatt | Improved Glassware. |
| US1097349A (en) * | 1909-07-01 | 1914-05-19 | Otis A Mygatt | Glassware. |
| US1287464A (en) * | 1916-02-23 | 1918-12-10 | Allan R Scott | Road-signal. |
| US1455306A (en) * | 1921-06-24 | 1923-05-15 | Reilley Charles Francis | Hub-cap attachment |
| US1552166A (en) * | 1924-09-02 | 1925-09-01 | Cleveland A James | Highway danger reflector |
| US1652138A (en) * | 1925-12-17 | 1927-12-06 | John Hart | Reflecting-signal device |
| US1795952A (en) * | 1927-12-29 | 1931-03-10 | Robert P Shick | Highway danger reflector |
| US2029375A (en) * | 1931-02-26 | 1936-02-04 | W P Montgomery | Reflector |
| FR748691A (fr) * | 1932-03-31 | 1933-07-07 | Louis Dufay | Procédé de décoration d'objets et objets obtenus à l'aide de ce procédé |
| GB423464A (en) * | 1932-12-31 | 1935-02-01 | Gustave Leray | Improvements in light reflectors |
| GB441319A (en) * | 1933-12-21 | 1936-01-16 | Gustave Leray | Improvements in or relating to light reflectors |
| US2099671A (en) * | 1935-09-20 | 1937-11-23 | Collins Radio Co | Antenna system |
| US2123478A (en) * | 1936-03-10 | 1938-07-12 | Smith Hobart Frederick | Light reflecting device |
| US2151144A (en) * | 1937-01-02 | 1939-03-21 | Penny Robert John | Pedal of foot-propelled bicycles |
| US2216325A (en) * | 1939-04-21 | 1940-10-01 | Nat Colortype Company | Prismatic reflecting structure |
| US2627784A (en) * | 1949-06-29 | 1953-02-10 | Sidney H Pellar | Road traffic signal |
| US2741948A (en) * | 1952-05-21 | 1956-04-17 | George D Parker | Bicycle flashing reflector |
| US2951419A (en) * | 1953-06-11 | 1960-09-06 | Jerome H Lemelson | Reflective display device |
| US3140340A (en) * | 1961-03-01 | 1964-07-07 | Minnesota Mining & Mfg | Reflex reflector article |
| US3528721A (en) * | 1968-05-06 | 1970-09-15 | Fred J La Londe | Bicycle safety signal |
| US3551024A (en) * | 1969-02-17 | 1970-12-29 | Benjamin H Priest Jr | Flashing retrodirective reflector |
| US3712706A (en) * | 1971-01-04 | 1973-01-23 | American Cyanamid Co | Retroreflective surface |
| GB1422780A (en) * | 1972-04-14 | 1976-01-28 | Ass Eng Ltd | Retro-reflectors |
| US3926402A (en) * | 1973-04-24 | 1975-12-16 | Amerace Corp | Pin having nonaligned cube axis and pin axis and bundle of such pins |
| US3887268A (en) * | 1973-04-30 | 1975-06-03 | Beatrice Foods Co | Flashing reflector system |
| US3999521A (en) * | 1975-05-14 | 1976-12-28 | Freddie Dave Puiello | Reflective safety harness for quadruped animals |
| US4023888A (en) * | 1975-09-12 | 1977-05-17 | Minnesota Mining And Manufacturing Company | Flashing retroreflecting device |
| 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 |
| US4576850A (en) * | 1978-07-20 | 1986-03-18 | Minnesota Mining And Manufacturing Company | Shaped plastic articles having replicated microstructure surfaces |
| US4582885A (en) * | 1978-07-20 | 1986-04-15 | Minnesota Mining And Manufacturing Company | Shaped plastic articles having replicated microstructure surfaces |
| US4668558A (en) * | 1978-07-20 | 1987-05-26 | Minnesota Mining And Manufacturing Company | Shaped plastic articles having replicated microstructure surfaces |
| US4349498A (en) * | 1981-01-16 | 1982-09-14 | Carbomedics, Inc. | Radio-opaque markers for pyrolytic carbon prosthetic members |
| US4588258A (en) * | 1983-09-12 | 1986-05-13 | Minnesota Mining And Manufacturing Company | Cube-corner retroreflective articles having wide angularity in multiple viewing planes |
| JPS60205501A (ja) * | 1984-03-30 | 1985-10-17 | Soko Seiren Kk | 蓄光性を有する明彩色再帰反射シ−ト状物 |
| CA1279783C (en) * | 1985-11-21 | 1991-02-05 | Minnesota Mining And Manufacturing Company | Totally internally reflecting thin, flexible film |
| US5056892A (en) * | 1985-11-21 | 1991-10-15 | Minnesota Mining And Manufacturing Company | Totally internally reflecting thin, flexible film |
| US4709580A (en) * | 1986-02-26 | 1987-12-01 | Bd Systems, Inc. | Retroflective attitude determining system |
| US4938563A (en) * | 1986-11-21 | 1990-07-03 | Minnesota Mining And Manufacturing Company | High efficiency cube corner retroflective material |
| US4775219A (en) * | 1986-11-21 | 1988-10-04 | Minnesota Mining & Manufacturing Company | Cube-corner retroreflective articles having tailored divergence profiles |
| US4983436A (en) * | 1987-04-15 | 1991-01-08 | Minnesota Mining And Manufacturing Company | Retroreflective sheeting with backing film |
| US5066098A (en) * | 1987-05-15 | 1991-11-19 | Minnesota Mining And Manufacturing Company | Cellular encapsulated-lens high whiteness retroreflective sheeting with flexible cover sheet |
| US4895428A (en) * | 1988-07-26 | 1990-01-23 | Minnesota Mining And Manufacturing Company | High efficiency retroreflective material |
| US5272562A (en) * | 1993-02-05 | 1993-12-21 | Minnesota Mining And Manufacturing Company | Cube-corner retroreflective articles |
| WO1995003558A1 (en) * | 1993-07-19 | 1995-02-02 | Reflexite Corporation | Retroreflective structure |
| US5450235A (en) * | 1993-10-20 | 1995-09-12 | Minnesota Mining And Manufacturing Company | Flexible cube-corner retroreflective sheeting |
| US5585164A (en) * | 1993-10-20 | 1996-12-17 | Minnesota Mining And Manufacturing Company | Dual groove set retroreflective cube corner article and method of manufacture |
| WO1995011465A2 (en) * | 1993-10-20 | 1995-04-27 | Minnesota Mining And Manufacturing Company | Asymetric cube corner article and method of manufacture |
| JP3465321B2 (ja) * | 1993-10-29 | 2003-11-10 | マツダ株式会社 | 塗膜構造 |
-
1997
- 1997-06-27 US US08/883,870 patent/US5889615A/en not_active Expired - Lifetime
- 1997-10-24 EP EP97912906A patent/EP0991962A1/en not_active Withdrawn
- 1997-10-24 KR KR10-1999-7012251A patent/KR100459779B1/ko not_active Expired - Fee Related
- 1997-10-24 CN CN97182267A patent/CN1126959C/zh not_active Expired - Fee Related
- 1997-10-24 AU AU49978/97A patent/AU4997897A/en not_active Abandoned
- 1997-10-24 WO PCT/US1997/019268 patent/WO1999000682A1/en not_active Ceased
- 1997-10-24 JP JP50976099A patent/JP4168183B2/ja not_active Expired - Fee Related
- 1997-10-24 CA CA002293657A patent/CA2293657C/en not_active Expired - Fee Related
-
1998
- 1998-05-27 TW TW087108240A patent/TW382068B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR100459779B1 (ko) | 2004-12-03 |
| EP0991962A1 (en) | 2000-04-12 |
| CA2293657A1 (en) | 1999-01-07 |
| CN1260047A (zh) | 2000-07-12 |
| JP2002508089A (ja) | 2002-03-12 |
| CN1126959C (zh) | 2003-11-05 |
| WO1999000682A1 (en) | 1999-01-07 |
| CA2293657C (en) | 2006-12-19 |
| US5889615A (en) | 1999-03-30 |
| JP4168183B2 (ja) | 2008-10-22 |
| KR20010014178A (ko) | 2001-02-26 |
| AU4997897A (en) | 1999-01-19 |
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