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Technology Stocks : OLED Universal Display Corp

OLED 118.58

-0.3%

3:59 PM EST

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From: mikeemarc	1/7/2025 8:21:28 AM
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.. so if I understand the elec article re woled correctly.. 4th layer ..given previously lumped green yellow green and red in one layer of 3 which equates to 1/3 udc phosphor materials.. is now upped to 50% udc given red and green are now separate stacks of 4 total with fluorescent blue representing the other two of 4.. Does that sound right?... OLED for TVs, while Samsung Display is leading the way in OLED for monitors. The stack method used for large OLEDs such as LG Display's W-OLED and Samsung Display's QD-OLED and the two-stack tandem method applied to small and medium-sized OLEDs are different technologies. W-OLED and QD-OLED, which are mainly used in TVs and monitors, stack multiple layers (3 to 5 stacks) of light-emitting layers to create white light (W-OLED) and blue light (QD-OLED) respectively through an open metal mask (OMM), and then pass them through a color filter (W-OLED) and QD color conversion layer (QD-OLED) to implement color. On the other hand, in small and medium-sized OLEDs used in smartphones, tablets, and vehicles, two-tandem OLED is a product that creates one light-emitting layer by depositing red (R), green (G), and blue (B) sub-pixels adjacent to each other on the same layer through a fine metal mask (FMM), and then repeats the same process to increase the light-emitting layer to two layers. Small and medium-sized OLEDs using FMM implement both light and color.

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