In this study we have synthesized ZnO:EuCl3 phosphors under various sintering atmospheres and temperatures, and investigated the effect of coupling structure of Eu in ZnO upon the photoluminescent characteristics for the purpose of searching for optimum conditions towards pure red emission. The analysis of x-ray diffraction and photoluminescence spectra measurements indicate that, for ZnO:EuCl3 phosphors sintered in vacuum, Eu exists in the host lattice as EuOCl and effectively quenches the broad-band emission of the ZnO host, consequently isolating the red emission due to Eu3+ ion.
The inline manufacturing equipment using a combination of the belt source and LPS source which is innovatively designed is introduced for the large-size AMOLED. The features of the inline system include 60sec TACT time, 19 numbers of chambers, non-substrate bending and easy application to very thin TFT substrates for the 4P th P -8P th P Generation AMOLEDs.
We developed a hybrid encapsulation method for PM‐OLED consisting of SiNx, polymeric film and cover glass. The PM‐OLED encapsulated with the proposed layers shows the similar degradation in emission efficiency with the PM‐OLED with a metal cap. The proposed structure does not need to have desiccant inside so that thin‐film encapsulation of PM‐OLED is possible.
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