Bundesdruckerei Gmbh

Bayer Materialscience Ag

Merck Patent Gmbh

Covestro Deutschland Ag

Samsung Display Co., Ltd.

Quotainne Enterprises LLC

Fa. Leuchtstoffwerk Breitungen Gmbh

Nxp B.v.

Volkswagen Ag

Burkhard Krietsch

Manfred Paeschke

Oliver Muth

Jakob Kuen

Matthias Kuntz

Heinz Pudleiner

Malte Pflughoefft

Klaus Meyer

Anett Bailleu

Jens Ehreke

Sungchul Kim

Jörg Fischer

Arthur Mathea

Benedikt Ahlers

Michael Knebel

Wolfgang Schmidt

Joerg Fischer

Andre Leopold

Detlef Starick

Monika Bauer

Dongwon Han

Jonghyuk Lee

Michael Hagemann

Arnim Franz-Burgholz

Hyojin Kim

Olga Kulikovska

Wolfgang Kempfert

Markus Tietke

Thomas Ernst Wille

Olaf Dressel

Sylke Rösler

Florian Peters

Frank Fritze

Rainer Seidel

Mathias Wagner

Jinho Kwack

Kim Nguyen

Andreas Thiele

Sven Rösler

Cengiz Yesildag

Christian Kunath

Stefan Trölenberg

Ulrich Bielesch

Franziska Peinze

Hannes Haupt

Edward Springmann

Martin Siebert

Hans Zerbel

André Leopold

Manfred Paschke

Per Krüger

Andreas Deichsel

Joachim Kloeser

Daebeom Shin

Mirko Langnickel

Guido Haussmann

Roland Heise

Alexander Mombrée

SungChul Kim

JinHo Kwack

JaeHo Lee

DongHun Kang

DaeBeom Shin

HyoJin Kim

Guenter Beyer-Meklenburg

Tomas Loeer

Arnim Franz-Burgholtz

Gabriele Brauer

Helge Brockmann

Arnim Franz-Burholz

Ralf Grieser

Herbert Richter

Jan-Peter Dietz

Denis Holinski

Alexander Ferber

JohnHyuk Lee

Malte Pflughhoefft

Gunda Müffelmann

Tatjana Sauer

Carsten MÜLLER

Christian Kuhn

Herrmann Hecker

Andreas Hoppe

Stefan Trolenberg

Mario Vonrüty

Michael Mauderer

Steffen Baudach

Alexander Gräf

Ralph Sören Bahro

Cornelia Vandahl

Kai Rossek

Lydia Dorschan

Klaus Gradischek

Marian Kind

Stefan Neiffer

Rebekka Siegmann

Thomas Okroj

The invention relates to a method for making a structure with at least a first polymer layer and a second polymer layer, each made from a polycarbonate polymer based on bisphenol A, and in between the first polymer layer and the second polymer layer an intermediate layer being arranged, comprising the following steps: a) the intermediate layer is applied at least on a partial region of the first polymer layer, b) optionally the intermediate layer is dried, c) the first polymer layer is coated on the side, on which the intermediate layer is arranged, with a liquid preparation comprising a solvent or a mixture of solvents and a polycarbonate derivative based on a geminally disubstituted dihydroxydiphenyl cycloalkane, the preparation covering the intermediate layer, d) optionally a drying step is made after step c), e) after step c) or step d), the second polymer layer is placed on the first polymer layer, covering the intermediate layer, f) the first polymer layer and the second polymer layer are laminated with each other under pressure, at a temperature from 120&#xb0; C. to 230&#xb0; C. and for a defined time.

Method for producing a polycarbonate layered composite

In order to create novel security features in secure and/or valuable documents, a polymer layer composite, which has at least two polymer layers that are bonded to each other in a material fit is provided. At least one surface is printed with an absorbing printed layer within a visible region in and/or on the composite located on a polymer layer of the composite. The absorbing printed layer forms at least one printed region, and all printed regions of the printed surface of the polymer layer have a total surface area of at least 50% and not more than 95%.

Polymer laminate for a security and/or valuable document and method for the production thereof

The invention relates to the use of a preparation comprising A) 0.1 to 20 wt % of a binding agent with a polycarbonate derivative based on a geminally disubstituted dihydroxydiphenyl cycloalkane, B) 30 to 99.9 wt % of an organic solvent or of a mixture of solvents, C) 0 to 10 wt %, referred to dry mass, of a dye or of a mixture of dyes, D) 0 to 10 wt % of a functional material or of a mixture of functional materials, E) 0 to 30 wt % of additive and/or auxiliary substances, or of a mixture of such substances, the relative amounts of the components A) to E) always totaling 100 wt %, as an ink jet printing dye.

Method for the production of a polycarbonate laminate

A security element for a security and/or valuable document includes a matrix based on an organic polymeric material and at least one electrically conductive pigment dispersed in the matrix and at least one organic luminescent substance dispersed in the matrix. In the presence of the conductive pigment the luminescent substance is capable of non-contact excitation of light emission where the particle size is less than 200 nm. The luminescent substance is not encapsulated and is directly surrounded by the matrix and is embedded therein.

Electro-optical security element for securtiy and/or valuable document

The invention relates to a method for producing a security and/or valuable document containing a polymer layer composite or consisting thereof, said polymer layer composite being formed from a polymer layer partial composite and a polymer cover layer and the polymer layer partial composite and/or the polymer cover layer containing a laser sensitive component, consisting of the followings steps: A) first personalized information is applied to the polymer layer partial composite by means of an inkjet printing method as a colored inkjet printed layer, B) the polymer cover layer is applied to the inkjet printed layer and is joined to the polymer layer partial composite by thermal lamination, and C) second personalized information is inscribed into the polymer layer composite of the security and/or valuable document, obtained in step B), by means of laser engraving. The invention also relates to a security and/or valuable document that can be produced according to said method.

Method for producing a security and/or valuable document with personalized information

This present invention serves to simplify manufacture of a contactless data transmission device (). This device () has an electrically insulating carrier (), a circuit element arranged on the carrier () made from a continuous antenna conductor track () in the form of at least one spiral winding () and respectively one terminal contact () at the ends thereof as well as an electronic component () with at least two contact points () electrically connected with the circuit element. The electronic component () is placed in a mounting region () above the at least one spiral winding (). The at least two contact points () of the component () are electrically connected with a respective terminal contact () of the antenna conductor track (). At least one spiral winding () is branched outside the mounting region () between two respective branching points (&#x2033;) into at least two spiral winding branches (&#x2033;). The data transmission device () is a component part of a valuable and/or security document ().

Contactless data transmission device, security and/or valuable document including the same and method for manufacturing the contactless data transmission device

The invention relates to a sandwich structure () comprising a flexible Organic Light Emitting Diode (OLED) (), wherein the opposite outer surfaces () of said OLED () consist of a glass material, and at least one layer () provided on at least one of said outer surfaces () of said OLED () and comprising an organic polymer material, wherein said layer () comprising an organic polymer material and said outer surface () consisting of glass are bonded to each other in a stacking manner by a bonding layer ().

Device comprising an organic light emitting display

The invention relates to a data carrier () with a chip () which stores energy () as well as information for contact-bound or contactless inductive communication, and with a plurality of excitable chip sensors () integrated in the chip (), which, after excitation (), pass on a signal () to a CPU () of the chip (), in which the signal () is processed. The invention is characterized in that, independently of storing energy () as well as information by the chip (), the excitation () is specifically adjustable by the chip () for the purpose of additionally storing information and is adaptable to the requirements of processing the signal () in the CPU ().

Data carrier with a chip and a plurality of sensors

The invention relates to a method for making a structure with at least a first polymer layer and a second polymer layer, each made from a polycarbonate polymer based on bisphenol A, between the polymer layers a component being arranged, comprising the following steps: a) the component is arranged on the first polymer layer or placed in a depression of the first polymer layer, b) the first polymer layer is coated on the side, on which or in which the component is arranged, at least in the region of the component with a liquid preparation comprising a solvent or a mixture of solvents and a polycarbonate derivative based on a geminally disubstituted dihydroxydiphenyl cycloalkane, c) optionally a drying step is made after step b), d) after step b) or step c), the second polymer layer is placed on the first polymer layer, covering the component, e) the first polymer layer and the second polymer layer are laminated with each other under pressure, at a temperature from 120&#xb0; C. to 180&#xb0; C. and for a defined time.

The present invention relates to a machine-readable security element for security products which comprises at least one particulate substance having electroluminescent properties and a transparent, electrically conductive pigment, to a priming ink for the production of a security element of this type, and to a security product which includes the security element.

Machine-readable security element for security products

In the production of a document, image information is incorporated into a plurality of layers of the document such that the pieces of image information are combined into a total image. The image information in at least two of the layers includes digital watermark information. The entirety of the digital watermark information in the at least two layers forms a security feature for an authentication of the document. The invention further relates to a respective document, a method for authentication, and a device for authentication.

Securing of documents by means of digital watermark information

The invention relates to a method for producing a polymer layer composite that comprises a plurality of polymer layers and at least one polymer layer contains a laser-sensitive component, said method consisting of the following steps: A) first personalized information is applied to at least one of the polymer layers by means of an inkjet printing method as a colored inkjet printed layer, B) the polymer layer with the colored inkjet printed layer is then joined to the other polymer layers, the polymer layer with the colored inkjet printed layer being arranged between two other polymer layers, C) second personalized information is inscribed into the polymer layer composite obtained in step B) by means of laser engraving. The invention also relates to a thus obtained polymer layer composite, a security and/or valuable document comprising a polymer layer composite of said type and to a method for producing a security and/or valuable document of said type.

Polymer layer composite for a security and/or valuable document

A document including an integrated display device that has several triggerable display elements, each of which is designed to emit an optical signal for representing first data stored in the document whereby the display device is designed for cyclical activation of the display elements for rendering the first data in sequential image regeneration periods, and whereby the display device is designed in such a way that the emission of the optical signals of at least a subset of the display element takes place with a chronological delay, whereby it is not possible to visually perceive the chronological delay.

Document with an integrated display device

The invention relates to a personal document that can be read contactlessly and which includes a laminate having a chip film and a chip, a substrate covering the chip film on the structure side of the chip and a covering layer covering the chip film on the rear side, the chip having an integrated circuit, said chip being thinned to the thickness defined herein. The personal document includes a polymeric carrier film that connects to the chip through a coupling reagent possessing functional groups compatible with functional groups of the semiconductor material of the chip and of the polymer carrier film layers of the chip film. Also, the chip is connected to an antenna provided on the substrate.

Personal document and method for producing it

The invention relates to a machine-readable security element for security products, containing at least one particulate substance that has electroluminescent properties and a transparent, electrically conductive pigment. Also disclosed are a printing ink for producing such a security element and a security product comprising said security element.

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Berlin, Germany

Oliver Muth