Last month JOLED announced that it started to sample 21.6" 4K OLED monitors. JOLED plans to develop these OLED monitors for medical applications - it will produce these in low volume at its current 4.5-Gen pilot production line, and will start mass production in 2019.

JOLED 21.6'' 4K oled medical monitor prototypes photo

JOLED's CEO, Nobuhiro Higashiiriki, said in a conference that these first samples were shipped to Sony, which may become JOLED's first customer. JOLED says that the company managed to achieve a high quality and long lifetime, which was a challenge due to the printing process used.

These 21.6" monitors, demonstrated in March 2017, feature a 3840x2160 resolution (204 PPI), a brightness of 350 cd/m2 and a contrast ratio of 1,000,000 : 1. The panel thickness is 1.3 mm and the weigh is 500 grams.

JOLED was established in August 2014 by Japan Display, Sony and Panasonic with an aim to become an OLED medium display (10-30 inch) producer. JOLED is using OLED printing technologies (originally developed at Panasonic) and a top-emission structure (probably Sony's Super-Top-Emission structure).



JOLED is using soluble OLED materials - but it not clear what kind of materials exactly. Back in 2013 Panasonic was using Sumitomo's P-OLED materials, but it is also possible that JOLED is using other materials. Merck recently announced that its soluble emitters have achieved efficiency and lifetime parity with evaporable OLEDs. For more information on JOLED's technology click here.

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