Dai Nippon Printing (DNP) Co Ltd succeeded in making a passive matrix OLED panel by using gravure printing technology. DNP has been developing a manufacturing technology based on a high-accuracy gravure printing technology that uses a polymer organic EL material and can easily make ink-like liquid from organic materials.The company model an OLED panel by using its dedicated gravure printer and special ink made from a polymer organic EL material on a glass substrate that measures 300 x 300 x 0.7mm.
The company prototyped the OLED panel in two sizes, 192 x 32 x 1.4mm and 110 x 37 x 1.4mm. The pixel pitches are 1.0 and 1.15mm. DNP plans to develop OLED products by utilizing the new printing technology, aiming at commercialization in 2010 and sales of about ¥1.2 billion (approx US$12.7 million) this 2012.
