Perovskites for Displays: Status and Prospects

Yajie Dong
Assistant Professor, Nanoscience Technology Center, Joint Appointment in College of Optics and Photonics & Department of Materials Science & Engineering,
University of Central Florida, Orlando, Florida 32826, USA

 

Recently, metal halide perovskites have emerged as promising light emitting materials with efficiency and color performances comparable or better than state-of-the art CdSe based quantum dots. This talk will first give a brief overview of the history and current status of perovskite material research and development, with focus on their unique features, potential benefits and remaining stability challenges for display applications. I will then present a simple yet general strategy to achieve a series of highly luminescent perovskites – polymer composite films with high color purity (FWHM down to 18 nm) and unprecedented water and thermal stability. A hybrid downconverter system comprising these low-cost green perovskite-polymer composite films and state-of-the art red emitters will be proposed for liquid crystal display (LCD) backlight unit (BLU) to realize wide color gamut and high efficiency at low cost in the near future.

Posted in abstracts, QLED and HDR10

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