Table 1 Performance characteristics of phosphorescent green flexible OLED light extraction nanostructures.

From: Extraction of Light Using Random Nanocone on Poly(vinyl-butyral) for Flexible OLEDs

Device structures

EQE [25 mA/cm2] [%]

REQE

PE [25 mA/cm2] [lm/W]

EQE [max] [%]

PE [max] [lm/W]

RNC (0 s)

12.5

1

41.5

19.2

53.4

RNC (300 s)

14.7

1.17

48.8

21.5

62.5

RNC (500 s)

15.5

1.24

52.1

25.7

69.6

RNC (700 s)

17.5

1.4

57.8

28.3

77.1

  1. EQE and PE are compared at their maximum values and at current density of 25 mA/cm2. REQE values are enhancement ratios relative to that of RNC 0 s device at current density of 25 mA/cm2.