CN118829914A - 识别介质和物品 - Google Patents

识别介质和物品 Download PDF

Info

Publication number
CN118829914A
CN118829914A CN202380025289.XA CN202380025289A CN118829914A CN 118829914 A CN118829914 A CN 118829914A CN 202380025289 A CN202380025289 A CN 202380025289A CN 118829914 A CN118829914 A CN 118829914A
Authority
CN
China
Prior art keywords
layer
identification medium
light
sheet
reflection
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.)
Pending
Application number
CN202380025289.XA
Other languages
English (en)
Chinese (zh)
Inventor
池田显
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.)
Zeon Corp
Original Assignee
Zeon Corp
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 Zeon Corp filed Critical Zeon Corp
Publication of CN118829914A publication Critical patent/CN118829914A/zh
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3016—Polarising elements involving passive liquid crystal elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/351—Translucent or partly translucent parts, e.g. windows
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/364—Liquid crystals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/378—Special inks
    • B42D25/391—Special inks absorbing or reflecting polarised light
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Polarising Elements (AREA)
  • Laminated Bodies (AREA)
CN202380025289.XA 2022-03-30 2023-03-28 识别介质和物品 Pending CN118829914A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022-057123 2022-03-30
JP2022057123 2022-03-30
PCT/JP2023/012445 WO2023190481A1 (ja) 2022-03-30 2023-03-28 識別媒体及び物品

Publications (1)

Publication Number Publication Date
CN118829914A true CN118829914A (zh) 2024-10-22

Family

ID=88202441

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202380025289.XA Pending CN118829914A (zh) 2022-03-30 2023-03-28 识别介质和物品

Country Status (4)

Country Link
EP (1) EP4502679A4 (https=)
JP (1) JPWO2023190481A1 (https=)
CN (1) CN118829914A (https=)
WO (1) WO2023190481A1 (https=)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005055556A (ja) 2003-07-31 2005-03-03 Dainippon Printing Co Ltd 投影スクリーン
JP7276144B2 (ja) 2017-12-12 2023-05-18 日本ゼオン株式会社 液晶硬化フィルムおよびその製造方法、偏光板、並びに有機エレクトロルミネッセンス表示装置
JP7172118B2 (ja) 2018-04-27 2022-11-16 日本ゼオン株式会社 積層体の製造方法
JPWO2019230840A1 (ja) * 2018-05-31 2021-07-08 日本ゼオン株式会社 識別媒体及び識別媒体の真正性を識別する方法
US11988856B2 (en) * 2019-06-26 2024-05-21 Zeon Corporation Display medium, authenticity determination method, and article including display medium
WO2021020248A1 (ja) * 2019-07-30 2021-02-04 日本ゼオン株式会社 複合顔料、識別媒体及び真正性判定方法
JP2021076792A (ja) * 2019-11-13 2021-05-20 日本ゼオン株式会社 表示媒体及びその製造方法、並びに、インキ
CN114981693B (zh) 2020-01-31 2025-02-25 日本瑞翁株式会社 识别介质、物品以及识别介质的使用方法

Also Published As

Publication number Publication date
WO2023190481A1 (ja) 2023-10-05
EP4502679A1 (en) 2025-02-05
EP4502679A4 (en) 2026-04-15
JPWO2023190481A1 (https=) 2023-10-05

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