Thursday, May 2025

05:00 PM - 08:00 PM

Room: 220A

Session: Display Manufacturing Posters

The Causes and Improvement of Lens Damage in Micro-OLED Display

Description:

In order to improve the light output efficiency of the device in Micro-OLED, micro-lens are configured on the pixels. This paper investigates the lens damage in Micro-OLED 4k product. We found the root cause of lens damage was insufficient evaporation of the photoresist due to the limited baking temperature of PDO mask. Ultimately, by removing the PEB process, we reduced Lens damage to 0%.