Making displays

(CDT) and Delta Optoelectronics have established a pilot line in

for the production of full colour polymer light emitting diode (P-OLED) displays using ink jet printing.

The new facility has been established at Hsin-Chu with the delivery of three Litrex 142P ink jet printers. The Litrex printers are production-capable units, with the ability to print 370 x 470mm glass substrates at approximately two to five minute intervals.

When combined with the process technology now being developed at CDT and transferred to Delta engineers, the facility will pave the way for Delta-Opto’s full-scale production of colour displays.

The initial phase of the technology transfer programme between the two companies, announced last October, has been completed successfully with the production of 5.6-inch full colour active matrix display prototypes, ink jet printed at CDT’s Technology Development Centre in the UK.

Both parties are pleased with the quality of these prototypes and are confident that the manufacturing process can be enhanced to optimise display quality and yield in the next phase of the programme.

In addition to the programme on active matrix displays, the companies will also be working on full colour passive matrix displays, giving Delta the scope to address a wide range of potential end user markets.