GB2602796B - Optical devices and methods of manufacture thereof - Google Patents

Optical devices and methods of manufacture thereof Download PDF

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Publication number
GB2602796B
GB2602796B GB2100327.2A GB202100327A GB2602796B GB 2602796 B GB2602796 B GB 2602796B GB 202100327 A GB202100327 A GB 202100327A GB 2602796 B GB2602796 B GB 2602796B
Authority
GB
United Kingdom
Prior art keywords
manufacture
methods
optical devices
optical
devices
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.)
Active
Application number
GB2100327.2A
Other languages
English (en)
Other versions
GB202100327D0 (en
GB2602796A (en
Inventor
Holmes Brian
Fournier Frederic
King Maria
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.)
De la Rue International Ltd
Original Assignee
De la Rue International Ltd
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 De la Rue International Ltd filed Critical De la Rue International Ltd
Priority to GB2100327.2A priority Critical patent/GB2602796B/en
Publication of GB202100327D0 publication Critical patent/GB202100327D0/en
Priority to AU2022206102A priority patent/AU2022206102A1/en
Priority to US18/271,337 priority patent/US12240261B2/en
Priority to CA3204614A priority patent/CA3204614A1/en
Priority to EP22700246.6A priority patent/EP4274742A1/en
Priority to PCT/GB2022/050049 priority patent/WO2022148977A1/en
Priority to JP2023541781A priority patent/JP2024502477A/ja
Publication of GB2602796A publication Critical patent/GB2602796A/en
Application granted granted Critical
Publication of GB2602796B publication Critical patent/GB2602796B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B42D25/328—Diffraction gratings; Holograms
    • 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
    • B42D25/324—Reliefs
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/08—Synthesising holograms, i.e. holograms synthesized from objects or objects from holograms
    • G03H1/0841—Encoding method mapping the synthesized field into a restricted set of values representative of the modulator parameters, e.g. detour phase coding
    • 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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/08—Synthesising holograms, i.e. holograms synthesized from objects or objects from holograms
    • G03H1/0841—Encoding method mapping the synthesized field into a restricted set of values representative of the modulator parameters, e.g. detour phase coding
    • G03H2001/085—Kinoform, i.e. phase only encoding wherein the computed field is processed into a distribution of phase differences

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Glass Compositions (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Optical Integrated Circuits (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Credit Cards Or The Like (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
GB2100327.2A 2021-01-11 2021-01-11 Optical devices and methods of manufacture thereof Active GB2602796B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB2100327.2A GB2602796B (en) 2021-01-11 2021-01-11 Optical devices and methods of manufacture thereof
AU2022206102A AU2022206102A1 (en) 2021-01-11 2022-01-11 Optical devices and methods of manufacture thereof
US18/271,337 US12240261B2 (en) 2021-01-11 2022-01-11 Optical devices and methods of manufacture thereof
CA3204614A CA3204614A1 (en) 2021-01-11 2022-01-11 Optical devices and methods of manufacture thereof
EP22700246.6A EP4274742A1 (en) 2021-01-11 2022-01-11 Optical devices and methods of manufacture thereof
PCT/GB2022/050049 WO2022148977A1 (en) 2021-01-11 2022-01-11 Optical devices and methods of manufacture thereof
JP2023541781A JP2024502477A (ja) 2021-01-11 2022-01-11 光学装置及びその製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2100327.2A GB2602796B (en) 2021-01-11 2021-01-11 Optical devices and methods of manufacture thereof

Publications (3)

Publication Number Publication Date
GB202100327D0 GB202100327D0 (en) 2021-02-24
GB2602796A GB2602796A (en) 2022-07-20
GB2602796B true GB2602796B (en) 2023-08-23

Family

ID=74667662

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2100327.2A Active GB2602796B (en) 2021-01-11 2021-01-11 Optical devices and methods of manufacture thereof

Country Status (7)

Country Link
US (1) US12240261B2 (https=)
EP (1) EP4274742A1 (https=)
JP (1) JP2024502477A (https=)
AU (1) AU2022206102A1 (https=)
CA (1) CA3204614A1 (https=)
GB (1) GB2602796B (https=)
WO (1) WO2022148977A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025183578A1 (en) * 2024-03-01 2025-09-04 Polska Wytwornia Papierow Wartosciowych S.A. Security feature and security feature carrier.

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5886798A (en) * 1995-08-21 1999-03-23 Landis & Gyr Technology Innovation Ag Information carriers with diffraction structures
US20090162756A1 (en) * 2006-04-06 2009-06-25 Rene Staub Multi-Layer Body With Volume Hologram
US20100165425A1 (en) * 2007-05-21 2010-07-01 Ovd Kinegram Ag Multi-layer body
US20110128600A1 (en) * 2008-05-19 2011-06-02 Ovd Kinegram Ag Optical security element
WO2011107782A1 (en) * 2010-03-01 2011-09-09 De La Rue International Limited Moire magnification device
GB2542253A (en) * 2015-07-24 2017-03-15 De La Rue Int Ltd Diffractive security device and method of manufacture thereof
DE102017120536A1 (de) * 2017-09-06 2019-03-07 Ovd Kinegram Ag Verfahren zur Herstellung eines Hologramms, sowie ein Sicherheitselement und ein Sicherheitsdokument
EP3466712A1 (en) * 2016-10-24 2019-04-10 Computer Holography Centre Micro-optic system for forming visual images with kinematic effects of movement
RU190048U1 (ru) * 2018-12-28 2019-06-17 Общество С Ограниченной Ответственностью "Центр Компьютерной Голографии" Микрооптическая система для формирования 2D изображений
EP3842252A1 (en) * 2019-12-23 2021-06-30 Holography Systems International Limited Microoptical system for the formation of the 3d image in the zero order of diffraction

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN157644B (https=) 1981-02-19 1986-05-10 Portals Ltd
NZ201691A (en) 1981-08-24 1985-08-30 Commw Scient Ind Res Org Security token made from bi-axially oriented polymeric film
JPH06317764A (ja) * 1993-04-27 1994-11-15 Olympus Optical Co Ltd 光学的ローパスフィルター
DE4314380B4 (de) 1993-05-01 2009-08-06 Giesecke & Devrient Gmbh Sicherheitspapier und Verfahren zu seiner Herstellung
AT401365B (de) 1993-10-11 1996-08-26 Oesterr Nationalbank Wertpapier
DE4334847A1 (de) 1993-10-13 1995-04-20 Kurz Leonhard Fa Wertdokument mit Fenster
GB9828770D0 (en) 1998-12-29 1999-02-17 Rue De Int Ltd Security paper
DE10163381A1 (de) 2001-12-21 2003-07-03 Giesecke & Devrient Gmbh Sicherheitspapier sowie Verfahren und Vorrichtung zu seiner Herstellung
GB2388377B (en) 2002-05-09 2004-07-28 Rue De Int Ltd A paper sheet incorporating a security element and a method of making the same
EP1398174A1 (en) 2002-09-10 2004-03-17 Kba-Giori S.A. Reinforced substrate for securities
US10207531B2 (en) 2013-12-02 2019-02-19 SECTAG GmbH Security device
CN109031676B (zh) * 2017-06-08 2020-05-26 京东方科技集团股份有限公司 投影装置、平视显示设备及车载视觉辅助系统
EP3815920B1 (en) * 2018-06-29 2024-11-06 Toppan Printing Co., Ltd. Authentication body, authentication body manufacturing method, authentication body reading method, and authentication body verification method
JP7234519B2 (ja) * 2018-07-05 2023-03-08 凸版印刷株式会社 表示デバイス

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5886798A (en) * 1995-08-21 1999-03-23 Landis & Gyr Technology Innovation Ag Information carriers with diffraction structures
US20090162756A1 (en) * 2006-04-06 2009-06-25 Rene Staub Multi-Layer Body With Volume Hologram
US20100165425A1 (en) * 2007-05-21 2010-07-01 Ovd Kinegram Ag Multi-layer body
US20110128600A1 (en) * 2008-05-19 2011-06-02 Ovd Kinegram Ag Optical security element
WO2011107782A1 (en) * 2010-03-01 2011-09-09 De La Rue International Limited Moire magnification device
GB2542253A (en) * 2015-07-24 2017-03-15 De La Rue Int Ltd Diffractive security device and method of manufacture thereof
EP3466712A1 (en) * 2016-10-24 2019-04-10 Computer Holography Centre Micro-optic system for forming visual images with kinematic effects of movement
DE102017120536A1 (de) * 2017-09-06 2019-03-07 Ovd Kinegram Ag Verfahren zur Herstellung eines Hologramms, sowie ein Sicherheitselement und ein Sicherheitsdokument
US20200384791A1 (en) * 2017-09-06 2020-12-10 Ovd Kinegram Ag Method for producing a hologram, and security element and a security document
RU190048U1 (ru) * 2018-12-28 2019-06-17 Общество С Ограниченной Ответственностью "Центр Компьютерной Голографии" Микрооптическая система для формирования 2D изображений
EP3842252A1 (en) * 2019-12-23 2021-06-30 Holography Systems International Limited Microoptical system for the formation of the 3d image in the zero order of diffraction

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
L. B. LESEM; P. M. HIRSCH; J. A. JORDAN: "The Kinoform: A New Wavefront Reconstruction Device", I.B.M. JOURNAL OF RESEARCH AND DEVELOPMENT, vol. 13, no. 2, 1 March 1989 (1989-03-01), pages 150 - 155, XP001377060 *
VAN RENESSE R L: "Vector-Oriented Devices - Kinegram", "Optical Document Security" 2005, Artech House, Boston, Mass. XP55899431, ISBN: 978-1-58053-258-7, pages 202-205 *

Also Published As

Publication number Publication date
CA3204614A1 (en) 2022-07-14
WO2022148977A1 (en) 2022-07-14
EP4274742A1 (en) 2023-11-15
GB202100327D0 (en) 2021-02-24
AU2022206102A9 (en) 2025-03-13
JP2024502477A (ja) 2024-01-19
US12240261B2 (en) 2025-03-04
US20240051324A1 (en) 2024-02-15
AU2022206102A1 (en) 2023-07-13
GB2602796A (en) 2022-07-20

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