Touch-enabled foldable AMOLEDs in Taiwan

August 29, 2016 // By Julien Happich
The Industrial Technology Research Institute (ITRI, Taiwan) has developed a foldable on-cell touch AMOLED that integrates a low temperature polysilicon (LTPS) TFT back panel based on its FlexUP™ technology but also features gate driver-on-array (GOA) and chip-on-plastic (COP) technologies.

The Taiwanese research centre adopted a transparent plastic cover plate with gas barrier and touch functions on top of the flexible display it aims at foldable tablets and smart handheld devices.

The new display was demonstrated at Touch Taiwan 2016 last week along with other flexible display and touch technologies, including an organic 350ºC-withstanding un-yellowed flexible transparent substrate, high temperature resistant transparent filling material and a foldable abrasion resistance protective layer for OLED touch panels. And along with large area submicron patterned equipment.

The research centre has licensed its technology to display makers such as AU Optronics who also showcased a foldable touch-enabled AMOLED during the exhibition, winning the gold-panel award for 2016. With 1280x720 pixels, the 5" display boasted resolution of 295 PPI while being only 0.1mm thin, including the in-cell touch layer. The touch-enabled flexible OLED panel is said to withstand over a million folding cycles at a radius of 4mm. The colour gamut is specified 100% NTSC.

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