Figure 5

(a) Dependence of luminance for the unencapsulated QD-LED (sample C) at a constant current of 25 mA/cm2 on the operation time. (b) A photo of white QD-LED with 4 × 4 pixels at 700 cd/m2. (c) CIE coordinates of (0.33, 0.33) for white QD-LED at 13 V.