Currency, identity and brand protection firm De La Rue has entered into a strategic partnership with Opalux, a producer of security features.The partnership will incorporate joint product development and related sales execution on a global basis.Commenting on the new partnership, Ulrich Walter, the Product Director De La Rue's Security Features and Identity Portfolio said: 'As a security business, we spend every day staying ahead of the counterfeiter across currency, identity, tax stamps and brand protection. One of our core strategic priorities is to grow our security features portfolio by investing in research and development, as well as partnerships. Opalux has an exciting technology that we believe can play a significant role for our global customers, as part of an integrated portfolio and multiple solutions from De La Rue.'Opalux develops and manufactures tunable photonic crystals, smart materials that change colour in response to external stimuli. Based on this platform technology, Opalux has created a range of highly recognisable and secure features with distinct colour effects for government documents. Speaking about the partnership, Andrew Binkley, the Chief Executive Officer of Opalux said: 'We are excited to combine our leading edge technology and security features with De La Rue's integrated portfolio and global reach. We look forward to working together to create a strong set of highly-differentiated solutions.'