Cynora: Samsung Display buys OLED technology from Germany

Cynora: Samsung Display kauft OLED-Technik aus Deutschland

Image: Cynora, Dr. Harald Flügge

We improve OLEDswas the motto of the Cynora company headquartered in Bruchsal in Baden-Württemberg. Samsung’s display subsidiary is visibly convinced of their materials work to improve organic light-emitting diodes and, according to Bloomberg, has bought Cynora for the equivalent of US$300 million.

Although the acquisition has yet to be publicly announced, famed Bloomberg author Mark Gurman is apparently certain his sources are accurate. According to these, Samsung Display would have paid approximately 300 million US dollars for Cynora GmbH and would have thus acquired their technology for OLED screens, but not their personnel.

TADF transmitter for more efficient displays

Cynora specialized in the development of blue and green emitter materials of the thermally activated delayed fluorescence (TADF) type and presented in March 2020 a blue fluorescent emitter that would work 15% more efficiently than the previous ones. The company marketed the new material as cyBlueBooster. cyUltimateGreen was presented in January 2021. A red counterpart has not yet been presented, but is also possible on this basis.

TADF technology can be effectively used for all red, green and blue OLED colors, which has not been achieved by any other technology so far“Cynora explained on her website, adding:”TADF combines the advantages of phosphorescence (high efficiency) and fluorescence (lifetime)“. The higher efficiency compared to previous solutions should reduce the power consumption of OLED displays.

A pixel of such an RGB OLED display consists of a blue, green and red sub-pixel. LG, on the other hand, relies on WOLED with white OLEDs and color filters. With Samsung’s new QD-OLED technology, only blue OLEDs are used as the backlight; Quantum dots are used here as color filters to also generate green and red light.

Only the technology is taken over

Samsung and LG had previously invested in Cynora. As OLED Information reported, Cynora recently ran into financial difficulties and laid off its entire workforce a few weeks ago as part of the deal. Samsung therefore only acquires the technology of the company, which has more than 700 patents on its flag.

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