1. Synthesisof D-substituted derivatives

Synthesis and supply of various D-substituted derivatives requested by customers.

D substituent derivative pilot process development and production

D-substituted derivatives and OLED derivatives

2. D-substitution derivative effect?

OLED containing deuterium are used in the EML of OLED structures.

Enhanced the safety of OLED devices to further improve OLED quality and performance

The brightness of the screen by 30%

3.D-substitution derivatives Production Plan

Synthesis and sublimation can becarried out at the same time,

so price competitiveness is excellent compared toexisting companies

(new synthesis plant completed in 2Q 2024)