Researchers from the Tokyo Institute of Technology, Osaka University, University of Toyama and Shizuoka University have developed a fluorescent blue (462 nm) OLED device that features an ulta-low turn-on voltage of 1.47 V (at 100 nits). The researchers say this is very low, as similar commercial blue devices typically need around 4 V.

To achieve that low turn-on voltage, the researchers built a new device, as they realize that the choice of materials significantly influences the device's turn-on voltage. The device itself is an upconversion OLED.

Researchers from the University of Manchester, led by Prof. Alexander Romanov, developed a promising new Carbene-Gold-Arylacetylide (CMAc) OLED near UV emitter type. The researchers also detail a strategy to develop longer device lifetimes for such emitters.

The new emitter exhibits an efficiency of 1% EQE, and a lifetime of 20 minutes at a practical brightness of 10 nits (LT50). This is low compared to commercial OLEDs - but it is actually quite outstanding for such an emitter, and the researchers say that this is among the longest lifetimes for a near UV-OLED at a practical brightness ever reported. In addition, organic fluorescent and TADF emitters rarely exceed 1% EQE at practical brightness.

During iMID 2023, Universal Display discussed the company's RGBB display architecture, highlighting the advantages regarding color gamut and color reproduction.The RGBB architecture basically adds a fourth OLED subpixel, a light-blue (or cyan) one to a standard RGB deep-color stack.

The current approach to achieve a large color gamut (UDC targets BT.2020) is to use emitters with a narrow spectrum, which enables high color gamut. But there's a catch - each person has a different color perception, and some people are less sensitive to certain colors compared to the "average observer". This causes a display that is based on narrow-spectrum emitters to suffer from distorted perceived colors.

Germany-based beeOLED announced that it has raised $14.4 million in its Series A funding round, co-led eCAPITAL and Innovation Industries. Other investors include KBC Focus Fund and the company's existing investors M Ventures (the corporate venture capital arm of Merck), HTGF, TGFS, and JBN-Invest.

beeOLED was established in 2020 with an aim to develop deep-blue OLED emitters. The company's material technology is based on intra-metallic emission, that has been used in other display technologies in the past but have not been usable in OLED displays yet. beeOLED said that it is the first to make intra-metallic molecules compatible with the vacuum processing technology used in high-volume OLED display manufacturing.

beeOLED's CEO, Dr. Jan Blochwitz-Nimoth has 20+ years experience in managing deep tech teams and companies, and is the founder and CTO of Novaled. Dr. Jan was kind enough to answer a few question we had regarding beeOLED, its technology and business.

DSCC expects the AMOLED stack material market to grow 4% in 2023, to $1.4 billion, and to reach $2.18 billion in 2027, that's a 12% CAGR from 2023 to 2027. In 2022, the market declined by 10%. The forecast does not include any UDC revenues from blue PHOLED materials, which means that if UDC succeeds in commercializing its blue material, revenues could be higher by hundreds of millions of dollars.

DSCC says that demand for OLED TVs will continue to decline in 2023. In 2022, revenues of OLED TV revenues declined by 17%, and in 2023 revenues will decline 3% further. Growth will resume, though, in 2024, and in 2023-2027 the market will grow at a CAGR of 13%.

Researchers from Korea's KAIST institute, in collaboration with Gyeongsang National University developed a new TADF OLED deep-blue emitter molecule that achieves an EQE of 33%. Combined with a fluorescent emitter to create a hyperfluorescence system, the researchers achieved an EQE of 35.4%, with mitigated efficiency roll-off. The researchers say that this is the world's highest-efficiency narrow-band deep-blue TADF OLED emitter.

To develop the new emitter the researchers introduced sterically hindered peripheral phenyl groups to boron-based TADF emitter. The resulting material, o-Tol-ν-DABNA-Me, offers a pure narrowband emission that is far less sensitive to concentration compared to standard TADF emitters.

Researchers from Germany's Karlsruhe Institute of Technology (KIT) and Shanghai University developed a new high-efficiency exciplex deep-blue OLED emitter material. The researchers say that this new materials achieves a external quantum efficiency (EQE) of 20.35% - a new world record for deep-blue emission.

The researchers explain that their exciplex strategy is based around a new molecule type with carbazole and triazine fragments linked by a silicon atom. The molecules assemble into nanoparticles which emit light in a different mechanism compared to standard single-molecule emitters. The energy levels of the electron-donating carbazole fragments and electron-accepting triazine fragments can be adjusted independently of each other to enable highly efficiency and stable red, green and blue OLED emitters.

UK-based Excyton has won an I-Zone innovation award at SID Display Week 2023, a great testimonial to the interest in the display industry for its novel OLED and microLED pixel architectures.

Excyton concludes a very successful display week. The company's CEO, Peter Levermore, gave a presentation explaining the company's TurboLED display architecture, detailing how the technology works and the simulations the company has performed. The company also had a booth at Display Week's I-ZONE section, where it demonstrated red, green and blue TurboLED devices powered by both deep-color and light-color emitters. In fact the company says that its demonstration attracted a lot of interest from the industry, and it had many constructive meetings during the week that it is following up on to start commercial collaborations in the near future.

Universal Display reported its financial results for Q1 2023, with revenues of $130 million (down from $150 million last year) and net income of $40 million (down from $50 million in 2022).

UDC says that near-term demand for OLED displays is still soft, but the company remains confident on the long-term growth path for OLED displays. Looking ahead into 2023, the company expects yearly revenues to be in the range of $550 million to $600 million.