KR19990077381A - 이중 배향 역반사 시이트 - Google Patents
이중 배향 역반사 시이트 Download PDFInfo
- Publication number
- KR19990077381A KR19990077381A KR1019980705556A KR19980705556A KR19990077381A KR 19990077381 A KR19990077381 A KR 19990077381A KR 1019980705556 A KR1019980705556 A KR 1019980705556A KR 19980705556 A KR19980705556 A KR 19980705556A KR 19990077381 A KR19990077381 A KR 19990077381A
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- KR
- South Korea
- Prior art keywords
- sheet
- cube corner
- retroreflective
- angle
- corner member
- 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.)
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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)
- Tents Or Canopies (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
Description
Claims (40)
- 밑면 표면과 이 밑면 표면을 마주보는 구조화된 표면을 갖는 기재를 포함하는 역반사 시이트로서,상기 구조화된 표면은상기 큐브 코너 부재의 광축이 증가된 입사 각도에서 개선된 역반사 성능을 갖는 제1 주요 평면을 한정하도록 경사져 있는 상기 큐브 코너 부재의 배열로 이루어진 제1 영역과,큐브 코너 부재의 광축이 증가된 입사 각도에서 개선된 역반사 성능을 갖는 제2 주요 평면(상기 제1 평면에 수직인 평면임)을 한정하도록 경사져 있는 상기 큐브 코너 부재의 배열로 이루어진 제2 영역을 포함하는 큐브 코너 부재의 복수 개의 영역을 포함하며,상기 역반사 시이트는 상기 제1 평면과 상기 제2 평면에서 입사 각도의 범위하에 시이트 상의 입사광에 대하여 거의 유사한 역반사 성능을 나타내는 역반사 시이트.
- 제1항에 있어서, 상기 제1 영역에서 상기 큐브 코너 부재의 배열은 상기 제1 평면이 상기 시이트의 제1 가장자리에 대해 거의 수직으로 존재하도록 배향되는 역반사 시이트.
- 제1항에 있어서, 상기 제1 영역은 상기 시이트의 종방향 가장자리와 거의 평행하게 연장되는 역반사 시이트.
- 제1항에 있어서, 상기 제2 영역에서 상기 큐브 코너 부재의 배열은 상기 제2 평면이 상기 시이트의 제1 가장자리에 대해 거의 평행한 상태로 존재하도록 배향되는 역반사 시이트.
- 제4항에 있어서, 상기 제2 영역은 상기 제1 영역과 거의 평행하게 연장되는 역반사 시이트.
- 제1항에 있어서, 상기 제1 영역의 폭이 약 3 mm 내지 25 mm인 역반사 시이트.
- 제1항에 있어서, 상기 제2 영역의 폭이 약 3 mm 내지 25 mm인 역반사 시이트.
- 제1항에 있어서, 상기 큐브 코너 부재가 굴절율 약 1.46 내지 1.60인 물질을 포함하고, 상기 마주보는 큐브 코너 부재의 광축이 상기 밑면 표면에 수직인 위치로부터 7°내지 15°로 경사져 있는 역반사 시이트.
- 제1항에 있어서, 상기 큐브 코너 부재가 굴절율 약 1.5인 물질을 포함하고, 상기 마주보는 큐브 코너 부재의 광축이 상기 밑면 표면에 수직인 위치로부터 8°내지 9.736°로 경사져 있는 역반사 시이트.
- 제1항에 있어서, 상기 시이트가 입사 각도 약 60°에서 관찰 각도 0.33° 및 표시 각도 90°로 측정하였을 때 상기 제1 평면에서 상기 시이트 표면 상의 입사광에 대하여 16 칸델라/룩스/m2이상의 역반사 계수를 나타내고,상기 시이트가 입사 각도 약 60°에서 관찰 각도 0.33° 및 표시 각도 90°로 측정하였을 때 상기 평면에서 상기 시이트 표면 상의 입사광에 대하여 16 칸델라/룩스/m2의 역반사 계수를 나타내는 역반사 시이트.
- 제1항에 있어서, 상기 시이트가 입사 각도 약 60°에서 관찰 각도 0.33° 및 표시 각도 90°로 측정하였을 때 상기 제1 평면에서 상기 시이트 표면 상의 입사광에 대하여 약 30 칸델라/룩스/m2이상의 역반사 계수를 나타내고,상기 시이트가 입사 각도 약 60°에서 관찰 각도 0.33° 및 표시 각도 90°로 측정하였을 때 상기 평면에서 상기 시이트 표면 상의 입사광에 대하여 약 30 칸델라/룩스/m2이상의 역반사 계수를 나타내는 역반사 시이트.
- 제1항에 있어서, 상기 시이트가 입사 각도 약 40°에서 관찰 각도 0.33° 및 표시 각도 90°로 측정하였을 때 상기 제1 평면에서 상기 시이트 표면 상의 입사광에 대하여 90 칸델라/룩스/m2이상의 역반사 계수를 나타내고,상기 시이트가 입사 각도 약 40°에서 관찰 각도 0.33° 및 표시 각도 90°로 측정하였을 때 상기 평면에서 상기 시이트의 표면 상의 입사광에 대하여 90 칸델라/룩스/m2이상의 역반사 계수를 나타내는 역반사 시이트.
- 제1항에 있어서, 상기 시이트가 입사 각도 약 40°에서 관찰 각도 0.33° 및 표시 각도 90°로 측정하였을 때 상기 제1 평면에서 상기 시이트 표면 상의 입사광에 대하여 약 150 칸델라/룩스/m2이상의 역반사 계수를 나타내고,상기 시이트가 입사 각도 약 40°에서 관찰 각도 0.33° 및 표시 각도 90°로 측정하였을 때 상기 평면에서 상기 시이트 표면 상의 입사광에 대하여 약 150 칸델라/룩스/m2이상의 역반사 계수를 나타내는 역반사 시이트.
- 제1항에 있어서, 상기 구조화된 표면의 일부가 정반사성 물질로 코팅된 역반사 시이트.
- 제1항에 있어서, 인접한 상기 구조화된 표면에 배치된 밀봉 매체를 더 포함하는 역반사 시이트.
- 제15항에 있어서, 상기 밀봉 매체는 역반사 부재가 내부에서 완전히 밀봉되는 복수 개의 셀을 한정도록, 교차하는 결합으로 이루어진 망상 구조에 의하여 상기 기재에 결합되는 것인 역반사 시이트.
- 제15항에 있어서, 상기 밀봉 매체는 상기 큐브 코너 부재가 총 내부 반사의 원리에 따라 역반사되도록 상기 구조화된 표면과의 사이에 공기 계면을 유지하는 것인 역반사 시이트.
- 제1항에 있어서, 상기 기재는 탄성 계수가 7×108파스칼 이하인 광 투과성 중합체 물질을 함유한 주요층을 가진 주요부를 포함하고,상기 큐브 코너 부재는 탄성 계수가 16×108파스칼 이상인 광 투과성 중합체 물질을 포함하는 것인 역반사 시이트.
- 제1항에 있어서, 상기 주요부는 두께가 0 ㎛ 내지 150 ㎛의 범위이고, 탄성 계수가 16×108파스칼 이상인 광 투과성 중합체 물질로 이루어진 기저층(labd layer)을 포함하는 것인 역반사 시이트.
- 제1항에 있어서, 상기 기저층의 두께가 1 ㎛ 내지 100 ㎛의 범위인 역반사 시이트.
- 제1항에 있어서, 상기 큐브 코너 부재와 기저층은 탄성 계수가 18×108파스칼 이상인 중합체(들)를 포함하는 것인 역반사 시이트.
- 제1항에 있어서, 상기 주요층의 두께가 대략 20 ㎛ 내지 1,000 ㎛인 역반사 시이트.
- 제1항에 있어서, 상기 주요층의 두께가 50 ㎛ 내지 250 ㎛의 범위인 역반사 시이트.
- 제1항에 있어서, 상기 큐브 코너 부재의 높이가 약 60 ㎛ 내지 180 ㎛의 범위인 역반사 시이트.
- 제1항에 있어서, 상기 큐브 코너 부재는 탄성 계수가 18×108파스칼 이상인 중합체 물질을 포함하는 것인 역반사 시이트.
- 제1항에 있어서, 상기 큐브 코너 부재는 탄성 계수가 20×108파스칼 이상인 광 투과성 중합체 물질을 포함하는 것인 역반사 시이트.
- 제1항에 있어서, 상기 큐브 코너 부재가 폴리(카보네이트), 폴리(메틸메타크릴레이트), 폴리(에틸렌테레프탈레이트) 또는 가교된 아크릴레이트를 포함하는 것인 역반사 시이트.
- 제1항에 있어서, 상기 주요부는 큐브 코너 부재와 동일한 중합체 물질로 이루어진 기저층을 포함하는 것인 역반사 시이트.
- 제1항에 있어서, 상기 주요층은 탄성 계수가 5×108파스칼 이하인 광 투과성 중합체 물질을 포함하는 것인 역반사 시이트.
- 제1항에 있어서, 상기 기재가 제1 중합체 물질을 포함하고 2개의 주요 표면을 갖는 오버레이 필름을 포함하고,상기 큐브 코너 부재는 제2 중합체 물질을 포함하며, 기저부(land)가 분열된 상태로 상기 오버레이 필름의 제1 주요 표면에 결합되어, 상기 큐브 코너 부재가 거의 독립적으로 존재하는 것인 역반사 시이트.
- 제30항에 있어서, 상기 미세 구조 부재의 물질과 상기 오버레이 필름의 물질이 침투성 망상 구조를 형성하는 역반사 시이트.
- 제30항에 있어서, 상기 기저부의 두께가 상기 배열의 상기 미세 구조 부재의 평균 높이의 약 10% 이하인 역반사 시이트.
- 제30항에 있어서, 상기 기저부의 두께가 상기 배열의 상기 미세 구조 부재의 평균 높이의 약 1% 이하인 역반사 시이트.
- 제30항에 있어서, 각 미세구조 부재 간의 개구부를 통해 상기 오버레이 필름에 접착된 밀봉 층을 더 포함하는 역반사 시이트.
- 제30항에 있어서, 상기 큐브 코너 부재 상의 역반사 층을 더 포함하는 역반사 시이트.
- 제30항에 있어서, 큐브 코너 부재를 봉입시키는 셀을 형성하도록 상호 연결되어 있는 망상 구조에서 상기 시이트의 큐브 코너 측면에 접착된 밀봉 필름을 더 포함하는 역반사 시이트.
- 제30항에 기재된 시이트를 포함하는 물품으로서, 상기 밀봉 필름이 결합체로서 작용하여 상기 시이트가 물품에 결합되어 있는 것인 물품
- 제30항에 기재된 시이트가 부착되어 있는 물품.
- 제1항에 있어서, 상기 시이트가 입사 각도 약 60°에서 관찰 각도 0.33° 및 표시 각도 90°로 측정하였을 때 상기 제1 평면에서 상기 시이트 표면 상의 입사광에 대하여 최대 역반사능의 5%인 역반사능을 나타내고,상기 시이트가 입사 각도 약 60°에서 관찰 각도 0.33° 및 표시 각도 90°로 측정하였을 때 상기 평면에서 상기 시이트 표면 상의 입사광에 대하여 최대 역반사능의 5%인 역반사능을 나타내는 역반사 시이트.
- 제1항에 있어서, 상기 시이트가 입사 각도 약 40°에서 관찰 각도 0.33° 및 표시 각도 90°로 측정하였을 때 상기 제1 평면에서 상기 시이트 표면 상의 입사광에 대하여 최대 역반사능의 30%인 역반사능을 나타내고,상기 시이트가 입사 각도 약 40°에서 관찰 각도 0.33° 및 표시 각도 90°로 측정하였을 때 상기 평면에서 상기 시이트 표면 상의 입사광에 대하여 최대 역반사능의 30%인 역반사능을 나타내는 역반사 시이트.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/587,719 US5706132A (en) | 1996-01-19 | 1996-01-19 | Dual orientation retroreflective sheeting |
| US08/587,719 | 1996-01-19 | ||
| US8/587,719 | 1996-01-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19990077381A true KR19990077381A (ko) | 1999-10-25 |
| KR100414266B1 KR100414266B1 (ko) | 2004-05-20 |
Family
ID=24350923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR10-1998-0705556A Expired - Lifetime KR100414266B1 (ko) | 1996-01-19 | 1996-12-05 | 이중배향재귀반사시이트 |
Country Status (11)
| Country | Link |
|---|---|
| US (2) | US5706132A (ko) |
| EP (1) | EP0875008B2 (ko) |
| KR (1) | KR100414266B1 (ko) |
| CN (1) | CN1284981C (ko) |
| AT (1) | ATE221670T1 (ko) |
| AU (1) | AU712593B2 (ko) |
| BR (1) | BR9612442A (ko) |
| CA (1) | CA2242771C (ko) |
| DE (2) | DE875008T1 (ko) |
| ES (1) | ES2144981T1 (ko) |
| WO (1) | WO1997026567A1 (ko) |
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- 1996-12-05 CN CNB961801646A patent/CN1284981C/zh not_active Expired - Lifetime
- 1996-12-05 DE DE0875008T patent/DE875008T1/de active Pending
- 1996-12-05 AU AU11463/97A patent/AU712593B2/en not_active Expired
- 1996-12-05 ES ES96942885T patent/ES2144981T1/es active Pending
- 1996-12-05 EP EP96942885A patent/EP0875008B2/en not_active Expired - Lifetime
- 1996-12-05 DE DE69622754T patent/DE69622754T3/de not_active Expired - Lifetime
- 1996-12-05 AT AT96942885T patent/ATE221670T1/de not_active IP Right Cessation
- 1996-12-05 CA CA002242771A patent/CA2242771C/en not_active Expired - Lifetime
- 1996-12-05 WO PCT/US1996/019318 patent/WO1997026567A1/en not_active Ceased
- 1996-12-05 KR KR10-1998-0705556A patent/KR100414266B1/ko not_active Expired - Lifetime
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1997
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170004017A (ko) * | 2008-12-08 | 2017-01-10 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 그래픽을 갖는 보호 오버레이 및 오버레이를 포함하는 재귀반사성 물품 |
| WO2013180465A1 (ko) * | 2012-05-31 | 2013-12-05 | 미래나노텍 주식회사 | 큐브 코너형 재귀반사 시트 |
| KR20140029980A (ko) | 2012-08-31 | 2014-03-11 | 미래나노텍(주) | 광각 재귀반사시트 |
| US10161597B2 (en) | 2014-08-21 | 2018-12-25 | Gwangju Institute Of Science And Technology | Lighting system and selective retro-reflection apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| US5706132A (en) | 1998-01-06 |
| CA2242771C (en) | 2004-10-12 |
| BR9612442A (pt) | 1999-07-13 |
| EP0875008B2 (en) | 2010-06-23 |
| DE69622754T3 (de) | 2010-12-23 |
| AU1146397A (en) | 1997-08-11 |
| WO1997026567A1 (en) | 1997-07-24 |
| US5936770A (en) | 1999-08-10 |
| CN1214120A (zh) | 1999-04-14 |
| DE69622754D1 (de) | 2002-09-05 |
| EP0875008A1 (en) | 1998-11-04 |
| ATE221670T1 (de) | 2002-08-15 |
| ES2144981T1 (es) | 2000-07-01 |
| CN1284981C (zh) | 2006-11-15 |
| EP0875008B1 (en) | 2002-07-31 |
| DE875008T1 (de) | 2000-11-09 |
| CA2242771A1 (en) | 1997-07-24 |
| DE69622754T2 (de) | 2003-04-24 |
| AU712593B2 (en) | 1999-11-11 |
| KR100414266B1 (ko) | 2004-05-20 |
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