New limb-structured blue light-emitting material comprising an anthracene core with bulky substituents at its 2, 3, 9, and 10-positions

- New limb-structured blue emitting material.
- Anthracene core with bulky substituents at 2, 3, 9, and 10-positions.
- OLED device with a maximum EQE of 2.90% and CIE coordinates of (0.142, 0.107).