Researchers develop a sub-electrode micro-lens array that can increase the light output in OLEDs by a factor of 3

Researchers from the University of Michigan developed a new method to cost-effectively extra more light out of OLED displays. To achieve that, the researchers used a Sub-Electrode Micro-Lens Array (SEMLA) placed between the bottom transparent ITO electrode and the glass substrate. Testing on green and white PHOLEDs, the researchers say the SEMLA enhanced light output by a factor of 2.8 (green) and 3.1 (white) compared to a similar device without the lens array.

OLED micro-lens array (Michigan)

The researcher say that such an array can be fully transparent and has no impact on the sharpness of the display. The hexagonal array of 10 μm lenses can be fabricated using conventional photolithography methods which are quite cost effective. Such a micro-lens array does not change the actual OLED production process.

Samsung researchers study the degradation of blue PHOLED materials, offer new design strategies for longer lasting blue emitters

Researchers from Samsung Electronics and the Ewha Womans University in Korea collaborated in a new study of the degradation in blue phosphorescence OLED materials. This study demonstrate the importance of controlling exciton-induced electron transfer, and more importantly provides strategies for the design of longer-lasting blue PHOLED materials.

Degradation study of blue PHOLED, exciton-inducted (Samsung/Ewha)

The researchers say that the study reveals the charge-neutral generation of polaron pairs (radical ion pairs) by electron transfer from the dopant to host excitons. According to the study, device lifetime correlates linearly with the rate constant for the annihilation of the radical ion pair.

UDC reports an excellent Q4 2017, but guidance for 2018 is lower than expected

Universal Display reported its financial results for Q4 2017. Revenues reached a record $115.9 million, up 55% from $74.6 million in Q4 2016. Revenues from material sales were $59.8 million (up 105% from $29.2 million in Q4 2016). Net income was $57.9 million (up from $23.1 million in Q4 2016).

UDC emitter and host materials photo

UDC concluded a very successful 2017. Revenues were $335.6 million (up 68% from $198.9 in 2016) and net income was $103.9 million (up from $48.1 million in 2016). Net income included a onetime charge of $11.5 million from the Tax Cuts and Jobs Act. Net cash generated in 2017 was $133 million.

UDC and Samsung Display sign new long-term PHOLED materials and technology supply agreements

Universal Display announced that it has signed long-term OLED material supply and license agreements with Samsung Display. UDC will continue to supply its PHOLED phosphorescent OLED materials and technology to Samsung Display for use in its OLED displays. The agreements are scheduled to run through December 31, 2022, and may be extended for an additional two-year period.

UDC PHOLED materials photo (2017)

UDC did not disclose the financial terms of these new agreements, but we do know that Samsung will pay a license fee throughout the agreement period. The previous UDC-SDC agreement ended on December 31st 2017, but for the past month and a half the two companies still conducted business of course as SDC's OLED production was not halted.

Visionox signs an OLED evaluation agreement with UDC

Universal Display announced that Visionox (GVO) signed an OLED evaluation agreement. Under this agreement, UDC will supply GVO with its phosphorescent OLED materials for display applications. UDC did not provide any more details or financial terms.

Visionox booth at the Shenzhen hi-tech fair 2017

Visionox started mass producing AMOLED panels in June 2015, at the company's Gen-5.5 AMOLED line in Kunshan. Visionox is also constructing a $4.5 billion 6-Gen production line in Hebei that will have a monthly capacity of 30,000 substrates, and will be mainly used to produce flexible AMOLEDs. Production should begin in mid-2018.

UDC and Sharp announced an extended and updated PHOLED material evaluation agreement

Universal Display announced today that Sharp has signed an extended and updated evaluation agreement. Under this new agreement, UDC will supply its phosphorescent OLED materials and technology to Sharp Corporation for use in the Company’s OLED displays. Details and financial terms of the agreement have not been disclosed.

UDC PHOLED materials photo (2017)

Sharp recently confirmed that the company aims to start commercial OLED production in Q1 2018 in its Osaka fab and will introduce new smartphones with its own OLED in June or July of 2018. In October 2016 Sharp announced that it will invest $570 million and build OLED pilot lines at its plants in Osaka and in the Mie Prefecture.

Royole to evaluate Universal Display's PHOLED materials

Universal Display announced today that Royole has signed an OLED evaluation agreement. UDC will collaborate with Royole and supply its proprietary UniversalPHOLED phosphorescent OLED materials and technology for Royole’s display applications.

UDC PHOLED materials photo (2017)

UDC did not disclose any more details or the financial terms of the agreement. Royole is constructing a 5.5-Gen (Royole calls it a Quasi-6-Gen) flexible OLED production facility in Shenzhen, China. The new fab is scheduled to begin operation in 2018 and will have a monthly capacity of 45,000 substrates.

UDC and BOE sign a long-term OLED agreement

Universal Display announced that it has signed long-term OLED agreements with BOE Technology Group. Under these agreements, UDC will supply phosphorescent OLED materials to BOE. UDC and BOE signed their first agreement in 2014 and it is great to see these evolve into long-term agreements.

BOE Flexible AMOLED prototype photo

BOE started to produce flexible OLED displays at its Chengdu B7 6-Gen fab in October 2017. BOE's B7 fab is the company's first flexible AMOLED line and actual real mass production will probably begin at about Q1 2018. The full capacity is 48,000 substrates per month, but this will only be achieved in the first half of 2019.

UDC reports another excellent quarter, raises 2017 guidance

Universal Display reported its financial results for Q3 2017. Revenues in the quarter reached $61.7 million, up 104% from Q3 2016 ($30.2 million) driven by strong material sales and also increased royalty and license fees. Net income in the quarter was $13.5 million (up $15 million from a $1.5 million loss in Q2 2016).

UDC emitter and host materials photo

UDC's material sales increased 100% from Q3 2016 to reach $12 million, while royalties and license fees increased 131% to reach $12 million. UDC increased its revenue guidance for the full year 2017 to $310 million to $320 million. Revenues in the first nine months were $219.8 million.

PPG and UDC complete their OLED material expansion project

In February 2017 Universal Display announced that the company will invest $15 million in PPG Industries' OLED facility in Barberton, Ohio. PPG will double its commercial production capacity of UDC's phosphorescent OLED emitter materials. The capacity expansion was scheduled to be completed in the third quarter 2017, and indeed today UDC announced that the expansion project is complete.

UDC PHOLED materials photo (2017)

PPG Industries and UDC established a strategic relationship in 2000, and PPG is the exclusive producer of UDC's PHOLED emitter materials. In 2013, the two companies opened this OLED production plant in Barbertron as demand for OLED materials increased.