Researchers have discovered a new host material for Blue Oled Pixels Tests showed a large leap in effect efficiency The breakthrough can mean cheaper production
Good news for anyone who had a hint of a cheaper OLED TV: A new scientific breakthrough could pave the way for cheaper, more effective OLED screens in our smart TVs, phones, tablets and pretty much anywhere else -though the effect could be greatest on TVs.
Researchers at the University of Cambridge and the University of Manchester have reportedly discovered a new ‘Oxadiazin’ host material to create high-efficiency, lower costs, blue oled pixels (via OLED-INFO ).
Blue OLED pixels are the white (blue?) Whale of TV panel development, which proves much more difficult to produce with the same light-emitting efficiency as their red and green colleagues, with greater risk of instability and a short shelf life. As abstract from Scientific paper Says: “Energy-efficient and deep blue organic light-emitting diode (OLED) with long operational stability is still an important challenge to enable a disturbing change in OLED display and lighting technology.”
However, it seems that progress is being made. The paper shows the molecular design of the new material with 21% improvements in effect efficiency and excellent “thermal stability” for use in blue OLED pixels.
And while all OLED devices use blue pixels, the reason is especially good for TVs that even the latest and largest TV technology requires several layers of blue pixels, so this is where the biggest effects can be felt.
Panasonic Z95B has LG Display’s new four-stack OLED panel. (Image Credit: Future)
The future of OLED
There has been a big push in recent years to develop ‘phosphorus oled’ panels with greater effect efficiency and higher brightness
This means that a TV screen can insert fewer layers of blue pixels to the same brightness output as existing screens.
LG’s latest ‘Fire-Stack’ Primary RGB-Tandem OLED panel (used in the LG G5 and Panasonic Z95B), for example, uses more blue layers than red or green. QD-OLED, as used in Samsung S95F, is very dependent on blue light coming through a layer of quantum dots, so also requires several layers of blue pixels. So any method of reducing the complexity or cost of blue pixels will be very welcome.
While phosphorus OLED has proved difficult to produce so far, these kinds of breakthroughs show that blue options are generally made.
A breakthrough in the laboratory like this, of course, will take time to influence mass panel production, but it does well for the development of OLED in the coming years and the hope for cheaper, more accessible OLED TVs that offer excellent image quality for a long time.
While oled -tv -prices have Falling in recent years, they have largely stopped around the $ 1,000 brand, and both producers and consumers have been waiting for something to break the stalemate. Hopefully that future is not too far away.
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