IN2011CN07418A - - Google Patents

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Publication number
IN2011CN07418A
IN2011CN07418A IN7418CHN2011A IN2011CN07418A IN 2011CN07418 A IN2011CN07418 A IN 2011CN07418A IN 7418CHN2011 A IN7418CHN2011 A IN 7418CHN2011A IN 2011CN07418 A IN2011CN07418 A IN 2011CN07418A
Authority
IN
India
Prior art keywords
retroreflecting
optical
disclosed
major surface
layer
Prior art date
Application number
Inventor
William D Coggio
John S Huizinga
Michael L Steiner
Robert F Watkins
Encai Hao
William Blake Kolb
Peiwang Zhu
Michael Benton Free
Brant U Kolb
Kui Chen-Ho
Paul E Humpal
Kenneth L Smith
Scott M Tapio
Original Assignee
3M Innovative Properties 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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of IN2011CN07418A publication Critical patent/IN2011CN07418A/en

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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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B2207/00—Coding scheme for general features or characteristics of optical elements and systems of subclass G02B, but not including elements and systems which would be classified in G02B6/00 and subgroups
    • G02B2207/107—Porous materials, e.g. for reducing the refractive index
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24521—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness with component conforming to contour of nonplanar surface

Abstract

Retroreflecting optical constructions are disclosed. A disclosed retroreflecting optical construction includes a retroreflecting layer that has a retroreflecting structured major surface, and an optical film that is disposed on the retroreflecting structured major surface of the retroreflecting layer. The optical film has an optical haze that is not less than about 30%. Substantial portions of each two neighboring major surfaces in the retroreflecting optical construction are in physical contact with each other.
IN7418CHN2011 2009-04-15 2010-04-15 IN2011CN07418A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16953209P 2009-04-15 2009-04-15
PCT/US2010/031225 WO2010121019A1 (en) 2009-04-15 2010-04-15 Retroreflecting optical construction

Publications (1)

Publication Number Publication Date
IN2011CN07418A true IN2011CN07418A (en) 2015-08-21

Family

ID=42980786

Family Applications (1)

Application Number Title Priority Date Filing Date
IN7418CHN2011 IN2011CN07418A (en) 2009-04-15 2010-04-15

Country Status (6)

Country Link
US (1) US8534849B2 (en)
EP (1) EP2419265A4 (en)
CN (1) CN102458819B (en)
BR (1) BRPI1006654A2 (en)
IN (1) IN2011CN07418A (en)
WO (1) WO2010121019A1 (en)

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EP2419265A1 (en) 2012-02-22
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WO2010121019A1 (en) 2010-10-21
CN102458819A (en) 2012-05-16
BRPI1006654A2 (en) 2016-02-10
US8534849B2 (en) 2013-09-17
US20100265584A1 (en) 2010-10-21

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