Research Article

High Luminescence White LEDs Prepared with 2D Island-Pattern of Quantum Dots Dispersed Photopolymer Films

Table 1

Measurement data on optical power for white LEDs prepared with the mixed, separately layered, and 2D island-patterns of QD film.

Input optical power of blue LED (200 mW)
MixedSeparately layered2D island-pattern

Total optical power of LED (mW)67.90969.40881.453
Blue21.77222.16432.225
Green (QD 530)8.88612.63214.614
Red (QD 620)37.25134.61234.614

Color conversion efficiency (%)25.8926.5729.34