Applications of perovskite materials in the display industry

This article was extracted from the Perovskite for Displays market report.

Given perovskites materials' unique optical properties, these materials are being intensively researched for both photovoltaic and display applications (as well as several others). In this article we will take a look into the possible application areas in the display industry that can benefit from perovskite materials.

Perovskite QDs

Perovskite-based QDs (PerQDs) are considered a viable Cd-free alternative for display applications, with high PL quantum yields, wide wavelength tunability and ultra-narrow band emission. The main advantages of PerQDs are:

  • Low cost
  • High performance
  • RoHS compliance (despite the lead content)

Samsung aims to reduce the thickness of its future QD-OLED panels by removing the QD glass substrate

According to reports in Korean media, Samsung is developing a new process which will allow it to reduce the thickness of its QD-OLED panels.

Samsung Display QD-OLED panels at CES 2022

The current QD-OLED design uses two glass substrates, one for the TFT backplen (and the OLED frontplane materials), and one for the QD conversion layer. The new plan is to remove the QD glass substrate, and inkjet print the QDs directly on the OLED TFE encapsulation layer.

DigitalTrends: the Sony A95K QD-OLED TV offers the best image quality ever

Earlier this year Sony announced the world's first QD-OLED TV, the A95K. The TV is not shipping yet, but the first reviews are in - and the ones we have seen say that the display quality of Sony's new TV (and Samsung's new OLED panels) is superb.

Sony A95K photo

A reporter from DigitalTrends, Caleb Denison, for example, spent some hours in front of an A95K, and says that the display is bright (the brightest he has seen in a consumer TV) and it offers the most accurate colors he ever saw. The colors are pure and "better than any OLED, and most QLED TVs, too".

Notion Systems installs an inkjet printing system at ITRI for OLED and QLED R&D

Notion Systems, a leading solution provider for industrial inkjet systems, announced that it had successfully installed an n.jet display system at Taiwan's Industrial Technology Research Institute (ITRI). The n.jet display system was developed in collaboration with MBRAUN/Germany and includes a fully integrated inert glove box solution that combines compact design with minimized nitrogen consumption.

Notion Systems n.jet display system photo

ITRI is now using the new n.jet display system to research and develop novel OLED and QLED technologies. ITRI has developed many OLED technologies over the years, and it is now looking to replace vapor deposition and vacuum coating with inkjet printing which could reduce the number of steps, increase material utilization and increase display quality.

Will Samsung adopt Kateeva's inkjet printers in its next QD-OLED production line?

In 2020 Samsung decided to use inkjet printers made by Korea's Semes, in its QD-OLED production lines. This created a major problem for Kateeva which hoped to win that account, which resulted in massive layoffs including some of its executives. These inkjet printers are used to deposit the QD layer in Samsung's QD-OLED panels.

Kateeva YIELDJet TFE system photo

According to new reports from Korea, Samsung has decided to change course, and rely on Kateeva's inkjet printers in its 2nd QD-OLED production line (the SDC 98.5-Gen Q-2). The reports suggests that the Semes printers do not perform as well as Samsung hopes, and these also cost more than Kateeva's printers (but Semes is affiliated with Samsung, which helped it to get the orders).

Sony launches its 2022 OLED TV range, including the world's first QD-OLED TV, the A95K

Sony announced its 2022 TV lineup, which includes three new OLED TV series, including the A95K, which is the world's first QD-OLED TV ever announced.

Sony A95K photo

The Sony A95K Master XR TV will feature 55" or 65" 4K 120Hz QD-OLED panels (produced by SDC), Sony's XR cognitive processor, Acoustic Surface Audio, XR Triluminos Max and Google TV OS. It features HDR10, HLG and Dolby Vision.

Ergis extends its OLED encapsulation film platform to QD films

Last year, Poland-based Ergis Group launched an OLED encapsulation film platform called Ergis noDiffusion®. The company is currently testing its film solutions at customer sites in Asia, the EU and the US, and it is now starting to expand the platform for the protection of quantum dot films (QD films) used in display and lighting applications.

Ergis noDiffusion QD barrier image

These new films can be tuned to fit specific needs. Ergis can deploy its films on several substrate types, with varying film thickness, and the barrier properties can be tuned to be between 10-6 to 10-3. This means that custom films can be created to suit the specific sensitivity of the QDs for water vapor and to achieve specific product lifetime or other required properties.

Samsung Electronics to launch its first QD OLED TVs in the first half of 2022

In 2019 Samsung Display formally announced its decision to invest $10.85 billion in QD-OLED TV R&D and production lines. It was reported before that SDC is started to produce panel prototypes, and is on track to start mass production in Q3 2021.

In the past it was suggested that Samsung Electronics does not want to adopt QD-OLED in its TV line, but this SE finally made that decision to commit to QD-OLEDs. A new report in Korea now says that Samsung Electronics plans to release the first QD-OLED TVs in the first half of 2022.

BOE shows new OLED technologies at SID Displayweek 2021

BOE demonstrates several new OLED technologies at SID Displayweek 2021. First up is a new rollable display. The new display is 8-inch in size, and it features a resolution of 2592x2176 and a bending radius of 4 mm. BOE says the new display passed over 200,000 sliding cycles.

Last year at Displayweek 2020, BOE demonstrated a 12-inch rollable OLED. It has since been working with LG Electronics on the company's rollable smartphone (which was since canceled as LG withdrew from the smartphone market) and with OPPO on a 7.4-inch sliding OLED phone.

Samsung Electronics reports its Q1 2021 results

Samsung Electronics reported its financial results for Q1 2021. The company's revenues was 65.4 trillion Won (around $58.7 billion USD). Operating profit increased 4% from the past quarter to $8.4 billion, as Samsung enjoyed strong sales of phones and consumer electronics, which offset slower sales of displays and semiconductors.

Samsung Galaxy S21 range photo

The past quarter saw a fall in the revenues of Samsung's display business, due to weak seasonality of mobile products and a shortage of chips.Compared to Q1 2020, however, earnings improved due to increased adoption of OLED displays in smartphones.

Cambridge Isotope Laboratories - Deutreated Reagents and High-Purity Gases for OLEDsCambridge Isotope Laboratories - Deutreated Reagents and High-Purity Gases for OLEDs