Toray Research Center to host an OLED technology webinar to discuss dopant ratios

Toray Research Center (TRC) is now hosting online webinars focused on display technologies. TRC, who supplies technical analysis and support for R&D and manufacturing, invites you to attend the online lectures at no cost, to learn more about OLED, microLED and QD technologies and analysis of OLED devices.

Toray Research Center TRC banner

The webinars include recorded presentations, which will be available online up until to November 22. You can register for the webinars here.

The webinar will include three different presentations:

  • OLED dopant ratio for efficient emission
  • Laser-based processes for microLED production, analysis method to evaluate chips after transfer
  • Degradation analysis of QD-LED devices

OLED dopant ratios

In OLED devices, dopant ratios have a significant effect on luminescence efficiency, color purity, and lifetime. In the case of co-deposition, films are not always deposited at the same ratio as the preparation, depending on the characteristics of the compound. Toray will present an example of how to determine the dopant ratio in an OLED film, with and without standard materials.

OLED dopant ratio analysis (Toray Research Center, 2022-11)

The lecture will discuss the analysis of 50 nm thick 5x5 cm OLED films, using a CBP host and an Ir(ppy)3 dopant. The dopant ratio of two samples will be analyzed: 1/0.01 and 1/0.1. TRC used several methods in this analysis: UV-Vis (PDA) to detect light absorbing substances, and Charged Aerosol Detector for electrically charged compounds.

Click here to sign up to the upcoming webinar series!

About Toray Research Center

Toray Research Center, Inc., established in 1978, is a subsidiary of Toray Industries, Inc. The company provides technical support in the fields of research, development and manufacturing, using innovative analytical techniques and physical analysis. One of TRC's four major focus industries is the OLED industry, and its OLED R&D started as early as 1995.

TRC researchers have vast experience in OLED analysis, having reversed-engineered over 5,000 OLED panels to date. The company provides analytical services to help improve manufacturing processes and improve OLED materials . TRC's OLED analysis knowledge areas include organic materials, composition, multilayer structure, degradation analysis, water permeability and more. Find out more about TRC's OLED services here.

Posted: Nov 15,2022 by Ron Mertens