De La Rue International Limited

Acreo Swedich Ict Ab

Rise Acreo Ab

Xin Wang

Magnus Berggren

Göran Gustafsson

Mats Robertsson

Mats Sandberg

Petronella Norberg

Philip George Cooper

Peter Andersson Ersman

Anna Malmström

Staffan Nordlinder

James Peter Snelling

Xavier Crispin

Jun Kawahara

Lars-Olov Bror Hennerdal

Isak Engquist

Hjalmar Granberg

Marie Nilsson

Negar Abdollahi Sani

Peter Dyreklev

Peter Andersson-Ersman

Timothy Geoffrey Owen

Adam Joseph Howard Batting

Lars-Olov Hennerdal

High frequency currents may be rectified by means of a printable diode comprising a first and a second electrode, between which a semiconducting layer comprising semiconducting particles embedded in an inert matrix, and a conducting layer comprising conducting particles embedded in an inert matrix are arranged.

Diode, use thereof, and a method for producing the same

The authenticity of a security document, such as a bank note, is verified by use of a security feature arranged in or on the document, which security feature comprises an antenna arranged to receive EM-radiation from an external energy source; a rectifier arranged to receive electric energy from the antenna and convert it into a rectified current; and an electrochromic display arranged to alter its electrochromic state in response to said rectified current. Hence, a security feature able alter its appearance in response to EM-radiation is provided, which comprises a display that can be given a large variety of two dimensional shapes.

Security document circuit

Growing community of inventors

Norrköping, Sweden

Xin Wang