公开(公告)号：EP1644779B1

公开(公告)日：2018-10-03

申请号：EP04740888.5

申请日：2004-07-09

Applicant: tesa scribos GmbH

Inventor： BORGSMÜLLER, Stefan ,  SCHULTE-WIEKING, Kay ,  NOEHTE, Steffen

IPC: G03H1/08 ,  G03H1/18 ,  G03H1/22 ,  G03H1/02

CPC classification number: G03H1/0891 ,  G03H1/0236 ,  G03H1/08 ,  G03H1/0841 ,  G03H1/18 ,  G03H1/2249 ,  G03H2001/0016 ,  G03H2001/2244 ,  G03H2001/2292 ,  G03H2210/20 ,  G03H2227/06 ,  Y10S359/90

公开(公告)号：EP3214505A4

公开(公告)日：2018-05-30

申请号：EP15856145

申请日：2015-09-07

Applicant: DAINIPPON PRINTING CO LTD

Inventor： KITAMURA MITSURU ,  YAMAUCHI TSUYOSHI ,  ETO KOJI ,  OIKAWA NOBUKO ,  SATO TOMOE

IPC: G03H1/02 ,  B42D25/328 ,  G06K7/10 ,  G07D7/12

CPC classification number: G03H1/0011 ,  B42D25/328 ,  G03H1/02 ,  G03H1/0248 ,  G03H1/18 ,  G03H2001/0415 ,  G06K7/10 ,  G07D7/12

Abstract: To provide an authentication device and method for a security medium including a reflective volume hologram, capable of easily performing authentication determination and a security medium including the reflective volume hologram. An authenticity determination device 1 for a security medium 10 including a reflective volume hologram 2 includes a light source L disposed on the front surface side of the reflective volume hologram 2 so that light emitted therefrom is incident on the reflective volume hologram 2, a first observation device 11 disposed in a pre-designed diffraction direction of the reflective volume hologram 2, and a second observation device 12 disposed in a direction other than the pre-designed diffraction direction of the reflective volume hologram 2. Light including a pre-designed diffraction wavelength is emitted from the light source L to be incident on the reflective volume hologram 2, and at this time, when the light amount observed in the first observation device 11 is larger in the diffraction wavelength than in other wavelengths, and the light amount observed in the second observation device 12 is smaller in the diffraction wavelength than in other wavelengths, it is determined that the reflective volume hologram 2 is genuine.

公开(公告)号：EP2027562B1

公开(公告)日：2016-04-06

申请号：EP07722438.4

申请日：2007-05-16

Applicant: Hologram Industries Research GmbH

Inventor： DAUSMANN, Günther ,  MENZ, Irina

IPC: B42D25/30 ,  B42D25/40

CPC classification number: B42D25/47 ,  B42D25/328 ,  B42D25/42 ,  B42D2035/06 ,  G03F7/001 ,  G03H1/18 ,  G03H2210/54 ,  G03H2223/12 ,  G03H2225/31 ,  G03H2250/10 ,  G03H2250/44 ,  G03H2260/12

公开(公告)号：EP1297366B1

公开(公告)日：2012-09-12

申请号：EP01949632.2

申请日：2001-07-02

Applicant: Optaglio Limited

Inventor： HUDSON, Philip ,  DRINKWATER, John

IPC: G02B5/18

CPC classification number: G03H1/18 ,  B41M3/148 ,  B41M5/24 ,  B42D25/328 ,  B42D25/41 ,  G03H1/0011 ,  G03H2001/184 ,  G03H2210/54 ,  G03H2260/62

公开(公告)号：EP2344931A1

公开(公告)日：2011-07-20

申请号：EP09748029.7

申请日：2009-10-16

Applicant: OVD Kinegram AG

Inventor： HANSEN, Achim ,  TOMPKIN, Wayne, Robert ,  BURKHARDT, Dr., Markus ,  SCHARFENBERG, Michael

IPC: G03H1/00 ,  G03H1/18 ,  B42D15/10

CPC classification number: G03H1/0011 ,  B42D25/29 ,  B42D25/328 ,  B42D2033/14 ,  G03H1/028 ,  G03H1/18 ,  G03H1/181 ,  G03H1/182 ,  G03H1/202 ,  G03H2001/186 ,  G03H2001/207 ,  G03H2001/2231 ,  G03H2001/2271 ,  G03H2001/2289 ,  G03H2001/2635 ,  G03H2001/303 ,  G03H2223/12 ,  G03H2250/40 ,  G03H2250/44 ,  G03H2260/12 ,  G03H2270/23

Abstract: The invention relates to a security element in the form of a multi-layer foil body containing a volume hologram layer (3) which is accommodated using a relief hologram (4). The Bragg grating of the volume hologram is expanded (8) locally using an expansion agent (5) or a contraction agent, in the form of a color image, for example, in order to add a second piece of optional information. A pattern, such as an image, is created either by partially imprinting the expansion agent or using an inserted mask layer (6) that is locally pervious to the expansion agent.

公开(公告)号：EP1801666B1

公开(公告)日：2011-06-15

申请号：EP07102044.0

申请日：1997-07-22

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Nishikawa, Shingo ,  Ueda, Kenji ,  Segawa, Toshikazu ,  Hotta, Tsuyoshi ,  Kuwabara, Yuko

IPC: G03H1/04 ,  G02B5/32 ,  G02F1/1335 ,  G03H1/26

CPC classification number: G03H1/30 ,  G02B5/0252 ,  G02B5/203 ,  G02B5/32 ,  G02F1/133553 ,  G02F2203/03 ,  G03H1/18 ,  G03H1/202 ,  G03H2001/0415 ,  G03H2001/0417 ,  G03H2001/186 ,  G03H2001/2271 ,  G03H2001/2289 ,  G03H2222/36 ,  G03H2223/24 ,  G03H2230/10 ,  G03H2250/44

公开(公告)号：EP2286408A2

公开(公告)日：2011-02-23

申请号：EP09746267.5

申请日：2009-05-14

Applicant: Dublin Institute of Technology

Inventor： MARTIN, Suzanne ,  BADE, Dennis ,  NAYDENOVA, Izabela ,  TOAL, Vincent

IPC: G11B7/0065 ,  G11B7/007

CPC classification number: G03H1/28 ,  G03H1/18 ,  G03H1/181 ,  G03H1/182 ,  G03H2001/0413 ,  G03H2001/0415 ,  G03H2001/2231 ,  G03H2001/2234 ,  G03H2001/2655 ,  G03H2223/12 ,  G03H2225/31 ,  G03H2240/53 ,  G03H2260/12 ,  G11B7/0065 ,  G11B7/00772

Abstract: A method of recording content comprising the steps of : providing a content storage medium comprising a pre-recorded grating or hologram; and illuminating a pre-recorded grating or hologram with a single recording beam to record content in the grating or hologram. The recording beam may increase the diffraction efficiency of the pre-recorded grating or hologram. Alternatively, the recording beam may form a new grating or hologram in close proximity to a pre-recorded grating or hologram.

公开(公告)号：EP2254002A1

公开(公告)日：2010-11-24

申请号：EP10171609.0

申请日：1997-07-22

Applicant: Dai Nippon Printing Co., Ltd.

Inventor： NISHIKAWA, Shingo ,  UEDA, Kenji ,  SEGAWA, Toshikazu ,  HOTTA, Tsuyoshi ,  KUWABARA, Yuko

IPC: G03H1/04 ,  G02B5/32 ,  G02F1/1335 ,  G03H1/26

CPC classification number: G03H1/30 ,  G02B5/0252 ,  G02B5/203 ,  G02B5/32 ,  G02F1/133553 ,  G02F2203/03 ,  G03H1/18 ,  G03H1/202 ,  G03H2001/0415 ,  G03H2001/0417 ,  G03H2001/186 ,  G03H2001/2271 ,  G03H2001/2289 ,  G03H2222/36 ,  G03H2223/24 ,  G03H2230/10 ,  G03H2250/44

Abstract: The present invention provides a hologram recorded medium (11) comprising a pixel structure in which the pixels have different reflective volume holograms (81R,81G,81B) recorded therein. In particular, the volume holograms represent RGB pixels. Various methods of recording such pixel hologram patterns are also disclosed.

Abstract translation: 本发明提供了一种全息图记录介质（11），其包括像素结构，其中像素具有记录在其中的不同反射体积全息图（81R，81G，81B）。 特别地，体积全息图表示RGB像素。 还公开了记录这样的像素全息图图案的各种方法。

公开(公告)号：EP1837870A1

公开(公告)日：2007-09-26

申请号：EP06111388.2

申请日：2006-03-20

Applicant: DEUTSCHE THOMSON-BRANDT GMBH

Inventor： Hossfeld, Wolfgang ,  Knittel, Joachim

IPC: G11B7/0065 ,  G11B7/26 ,  G03H1/04

CPC classification number: G03H1/18 ,  G03H1/181 ,  G03H2240/52 ,  G03H2260/12 ,  G11B7/0065 ,  G11B7/268

Abstract: The present invention relates to a method for performing pre-exposure and curing of a photo-sensitive material for optical data storage, in particular for holographic data storage, and to an apparatus for writing to optical storage media (10) using such method.
According to the invention, for pre-exposure and/or curing of an optical storage medium (10) the optical storage medium (10) is illuminated by a coherent light beam (7, 8) emitted by a light source (2), which is also used for data recording.

Abstract translation: 本发明涉及用于光学数据存储的光敏材料的预曝光和固化，特别是用于全息数据存储的方法，以及使用这种方法向光学存储介质（10）写入的装置。 根据本发明，为了光学存储介质（10）的预曝光和/或固化，光学存储介质（10）被由光源（2）发射的相干光束（7,8）照射， 也用于数据记录。

公开(公告)号：EP1801666A2

公开(公告)日：2007-06-27

申请号：EP07102044.0

申请日：1997-07-22

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Nishikawa, Shingo ,  Ueda, Kenji ,  Segawa, Toshikazu ,  Hotta, Tsuyoshi ,  Kuwabara, Yuko

IPC: G03H1/04 ,  G02B5/32 ,  G02F1/1335 ,  G03H1/26

CPC classification number: G03H1/30 ,  G02B5/0252 ,  G02B5/203 ,  G02B5/32 ,  G02F1/133553 ,  G02F2203/03 ,  G03H1/18 ,  G03H1/202 ,  G03H2001/0415 ,  G03H2001/0417 ,  G03H2001/186 ,  G03H2001/2271 ,  G03H2001/2289 ,  G03H2222/36 ,  G03H2223/24 ,  G03H2230/10 ,  G03H2250/44

Abstract: The invention provides a diffusing plate with the angle of diffusion controllable within a desired range by use of a hologram, which is capable of presenting bright displays so that it is applicable to, for instance, a backlighting diffusing plate for liquid crystal display device. A diffusing plate 2 having an angle of diffusion θ is brought into close contact with a hologram photosensitive material 1. Then, parallel light 3 is obliquely at an angle of incidence α on the photosensitive material while parallel light 4 is vertically incident on the diffusing plate 2. Thereupon, parallel light 4 is converted into diffused light 5 having an angle of diffraction θ upon passing through the diffusing plate 2. Diffused light 5 interferes with obliquely incident parallel light 3 from the opposite direction in photosensitive material 1 to produce interference fringes, thereby forming a reflection type hologram. Upon parallel illumination light on the hologram at the same angle of incidence α at which parallel light 3 strikes for recording, diffused light having the same angle of diffraction θ as that of diffused light 5 used for recording is reflected, and diffracted from this reflection type hologram.

Abstract translation: 本发明提供了一种扩散板，其扩散角可以通过使用能够呈现明亮显示器的全息图在期望范围内可控制，使得其可应用于例如液晶显示装置的背光扩散板。 具有扩散角度的扩散板2与全息感光材料1紧密接触。然后，平行光3在感光材料上倾斜入射角度±，而平行光4垂直入射在漫射板上 因此，平行光4在通过漫射板2时被转换成具有衍射角度的漫射光5.漫射光5在感光材料1中与相反方向的倾斜入射平行光3干涉以产生干涉条纹， 从而形成反射型全息图。 以平行光3照射的相同的入射角±在平面照射光全息图进行记录时，具有与用于记录的漫射光5相同的衍射角θ的扩散光被反射，并从该反射型衍射 全息图。