Enhance the Light Extraction Efficiency of QLED with Surface Micro-Nanostructure

Figure 4

The luminance-voltage curves of QLEDs with three different light exit surfaces: (a) red QLED, (b) green QLED, and (c) blue QLED. The EQE-voltage curves of QLEDs with three different light-emitting surfaces: (d) red QLED, (e) green QLED, and (f) blue QLED.

(a)

(b)

(c)

(d)

(e)

(f)