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Universal Display Corp. (375 Philips Rd., Ewing, NJ 08618; Tel: 800/599-4426) and its research partners Princeton University and the University of Southern California, have been issued three new OLED technology patents. These new patents provide exclusive worldwide rights for fabrication and color tuning technologies for OLEDs.
One of the patents, Method for Patterning Devices (U.S. Patent 6,294,398) issued September 25, 2001, represents a significant step toward the accurate, low-cost method for the patterning of OLED devices over large areas in a web-based manufacturing process through stamping or cold-welding the electrodes. This process could allow for the …